diff options
Diffstat (limited to 'arch/arm/mach-sa1100')
65 files changed, 2001 insertions, 3498 deletions
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig index 42625e4d949..04f9784ff0e 100644 --- a/arch/arm/mach-sa1100/Kconfig +++ b/arch/arm/mach-sa1100/Kconfig @@ -4,7 +4,7 @@ menu "SA11x0 Implementations" config SA1100_ASSABET bool "Assabet" - select CPU_FREQ_SA1110 + select ARM_SA1110_CPUFREQ help Say Y here if you are using the Intel(R) StrongARM(R) SA-1110 Microprocessor Development Board (also known as the Assabet). @@ -20,7 +20,7 @@ config ASSABET_NEPONSET config SA1100_CERF bool "CerfBoard" - select CPU_FREQ_SA1110 + select ARM_SA1110_CPUFREQ help The Intrinsyc CerfBoard is based on the StrongARM 1110 (Discontinued). More information is available at: @@ -47,17 +47,17 @@ endchoice config SA1100_COLLIE bool "Sharp Zaurus SL5500" - # FIXME: select CPU_FREQ_SA11x0 + # FIXME: select ARM_SA11x0_CPUFREQ select SHARP_LOCOMO - select SHARP_SCOOP select SHARP_PARAM + select SHARP_SCOOP help Say Y here to support the Sharp Zaurus SL5500 PDAs. config SA1100_H3100 bool "Compaq iPAQ H3100" + select ARM_SA1110_CPUFREQ select HTC_EGPIO - select CPU_FREQ_SA1110 help Say Y here if you intend to run this kernel on the Compaq iPAQ H3100 handheld computer. Information about this machine and the @@ -67,8 +67,8 @@ config SA1100_H3100 config SA1100_H3600 bool "Compaq iPAQ H3600/H3700" + select ARM_SA1110_CPUFREQ select HTC_EGPIO - select CPU_FREQ_SA1110 help Say Y here if you intend to run this kernel on the Compaq iPAQ H3600 handheld computer. Information about this machine and the @@ -78,16 +78,16 @@ config SA1100_H3600 config SA1100_BADGE4 bool "HP Labs BadgePAD 4" + select ARM_SA1100_CPUFREQ select SA1111 - select CPU_FREQ_SA1100 help Say Y here if you want to build a kernel for the HP Laboratories BadgePAD 4. config SA1100_JORNADA720 bool "HP Jornada 720" + # FIXME: select ARM_SA11x0_CPUFREQ select SA1111 - # FIXME: select CPU_FREQ_SA11x0 help Say Y here if you want to build a kernel for the HP Jornada 720 handheld computer. See @@ -95,8 +95,8 @@ config SA1100_JORNADA720 config SA1100_JORNADA720_SSP bool "HP Jornada 720 Extended SSP driver" - select SA1100_SSP depends on SA1100_JORNADA720 + select SA1100_SSP help Say Y here if you have a HP Jornada 7xx handheld computer and you want to access devices connected to the MCU. Those include the @@ -105,14 +105,14 @@ config SA1100_JORNADA720_SSP config SA1100_HACKKIT bool "HackKit Core CPU Board" - select CPU_FREQ_SA1100 + select ARM_SA1100_CPUFREQ help Say Y here to support the HackKit Core CPU Board <http://hackkit.eletztrick.de>; config SA1100_LART bool "LART" - select CPU_FREQ_SA1100 + select ARM_SA1100_CPUFREQ help Say Y here if you are using the Linux Advanced Radio Terminal (also known as the LART). See <http://www.lartmaker.nl/> for @@ -120,7 +120,7 @@ config SA1100_LART config SA1100_NANOENGINE bool "nanoEngine" - select CPU_FREQ_SA1110 + select ARM_SA1110_CPUFREQ select PCI select PCI_NANOENGINE help @@ -130,7 +130,7 @@ config SA1100_NANOENGINE config SA1100_PLEB bool "PLEB" - select CPU_FREQ_SA1100 + select ARM_SA1100_CPUFREQ help Say Y here if you are using version 1 of the Portable Linux Embedded Board (also known as PLEB). @@ -139,7 +139,7 @@ config SA1100_PLEB config SA1100_SHANNON bool "Shannon" - select CPU_FREQ_SA1100 + select ARM_SA1100_CPUFREQ help The Shannon (also known as a Tuxscreen, and also as a IS2630) was a limited edition webphone produced by Philips. The Shannon is a SA1100 @@ -148,7 +148,7 @@ config SA1100_SHANNON config SA1100_SIMPAD bool "Simpad" - select CPU_FREQ_SA1110 + select ARM_SA1110_CPUFREQ help The SIEMENS webpad SIMpad is based on the StrongARM 1110. There are two different versions CL4 and SL4. CL4 has 32MB RAM and 16MB diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile index e697691eed2..2732eef4896 100644 --- a/arch/arm/mach-sa1100/Makefile +++ b/arch/arm/mach-sa1100/Makefile @@ -3,25 +3,18 @@ # # Common support -obj-y := clock.o generic.o gpio.o irq.o dma.o time.o #nmi-oopser.o +obj-y := clock.o generic.o irq.o time.o #nmi-oopser.o obj-m := obj-n := obj- := -led-y := leds.o - -obj-$(CONFIG_CPU_FREQ_SA1100) += cpu-sa1100.o -obj-$(CONFIG_CPU_FREQ_SA1110) += cpu-sa1110.o # Specific board support obj-$(CONFIG_SA1100_ASSABET) += assabet.o -led-$(CONFIG_SA1100_ASSABET) += leds-assabet.o obj-$(CONFIG_ASSABET_NEPONSET) += neponset.o obj-$(CONFIG_SA1100_BADGE4) += badge4.o -led-$(CONFIG_SA1100_BADGE4) += leds-badge4.o obj-$(CONFIG_SA1100_CERF) += cerf.o -led-$(CONFIG_SA1100_CERF) += leds-cerf.o obj-$(CONFIG_SA1100_COLLIE) += collie.o @@ -29,13 +22,11 @@ obj-$(CONFIG_SA1100_H3100) += h3100.o h3xxx.o obj-$(CONFIG_SA1100_H3600) += h3600.o h3xxx.o obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o -led-$(CONFIG_SA1100_HACKKIT) += leds-hackkit.o obj-$(CONFIG_SA1100_JORNADA720) += jornada720.o obj-$(CONFIG_SA1100_JORNADA720_SSP) += jornada720_ssp.o obj-$(CONFIG_SA1100_LART) += lart.o -led-$(CONFIG_SA1100_LART) += leds-lart.o obj-$(CONFIG_SA1100_NANOENGINE) += nanoengine.o obj-$(CONFIG_PCI_NANOENGINE) += pci-nanoengine.o @@ -45,12 +36,8 @@ obj-$(CONFIG_SA1100_PLEB) += pleb.o obj-$(CONFIG_SA1100_SHANNON) += shannon.o obj-$(CONFIG_SA1100_SIMPAD) += simpad.o -led-$(CONFIG_SA1100_SIMPAD) += leds-simpad.o - -# LEDs support -obj-$(CONFIG_LEDS) += $(led-y) -# Miscelaneous functions +# Miscellaneous functions obj-$(CONFIG_PM) += pm.o sleep.o obj-$(CONFIG_SA1100_SSP) += ssp.o diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot index a56ad0417cf..f7951aa0456 100644 --- a/arch/arm/mach-sa1100/Makefile.boot +++ b/arch/arm/mach-sa1100/Makefile.boot @@ -1,6 +1,7 @@ - zreladdr-y := 0xc0008000 -ifeq ($(CONFIG_ARCH_SA1100),y) - zreladdr-$(CONFIG_SA1111) := 0xc0208000 +ifeq ($(CONFIG_SA1111),y) + zreladdr-y += 0xc0208000 +else + zreladdr-y += 0xc0008000 endif params_phys-y := 0xc0000100 initrd_phys-y := 0xc0800000 diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index 5778274a826..7dd894ece9a 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -14,15 +14,21 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/ioport.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/mfd/ucb1x00.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/delay.h> #include <linux/mm.h> +#include <linux/leds.h> +#include <linux/slab.h> + +#include <video/sa1100fb.h> #include <mach/hardware.h> #include <asm/mach-types.h> -#include <asm/irq.h> #include <asm/setup.h> #include <asm/page.h> #include <asm/pgtable-hwdef.h> @@ -33,20 +39,20 @@ #include <asm/mach/flash.h> #include <asm/mach/irda.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> #include <mach/assabet.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> +#include <mach/irqs.h> #include "generic.h" #define ASSABET_BCR_DB1110 \ - (ASSABET_BCR_SPK_OFF | ASSABET_BCR_QMUTE | \ + (ASSABET_BCR_SPK_OFF | \ ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \ ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \ ASSABET_BCR_IRDA_MD0) #define ASSABET_BCR_DB1111 \ - (ASSABET_BCR_SPK_OFF | ASSABET_BCR_QMUTE | \ + (ASSABET_BCR_SPK_OFF | \ ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED | \ ASSABET_BCR_RS232EN | ASSABET_BCR_LCD_12RGB | \ ASSABET_BCR_CF_BUS_OFF | ASSABET_BCR_STEREO_LB | \ @@ -69,33 +75,143 @@ void ASSABET_BCR_frob(unsigned int mask, unsigned int val) EXPORT_SYMBOL(ASSABET_BCR_frob); -static void assabet_backlight_power(int on) +/* + * The codec reset goes to three devices, so we need to release + * the rest when any one of these requests it. However, that + * causes the ADV7171 to consume around 100mA - more than half + * the LCD-blanked power. + * + * With the ADV7171, LCD and backlight enabled, we go over + * budget on the MAX846 Li-Ion charger, and if no Li-Ion battery + * is connected, the Assabet crashes. + */ +#define RST_UCB1X00 (1 << 0) +#define RST_UDA1341 (1 << 1) +#define RST_ADV7171 (1 << 2) + +#define SDA GPIO_GPIO(15) +#define SCK GPIO_GPIO(18) +#define MOD GPIO_GPIO(17) + +static void adv7171_start(void) { -#ifndef ASSABET_PAL_VIDEO - if (on) - ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON); + GPSR = SCK; + udelay(1); + GPSR = SDA; + udelay(2); + GPCR = SDA; +} + +static void adv7171_stop(void) +{ + GPSR = SCK; + udelay(2); + GPSR = SDA; + udelay(1); +} + +static void adv7171_send(unsigned byte) +{ + unsigned i; + + for (i = 0; i < 8; i++, byte <<= 1) { + GPCR = SCK; + udelay(1); + if (byte & 0x80) + GPSR = SDA; + else + GPCR = SDA; + udelay(1); + GPSR = SCK; + udelay(1); + } + GPCR = SCK; + udelay(1); + GPSR = SDA; + udelay(1); + GPDR &= ~SDA; + GPSR = SCK; + udelay(1); + if (GPLR & SDA) + printk(KERN_WARNING "No ACK from ADV7171\n"); + udelay(1); + GPCR = SCK | SDA; + udelay(1); + GPDR |= SDA; + udelay(1); +} + +static void adv7171_write(unsigned reg, unsigned val) +{ + unsigned gpdr = GPDR; + unsigned gplr = GPLR; + + ASSABET_BCR = BCR_value | ASSABET_BCR_AUDIO_ON; + udelay(100); + + GPCR = SDA | SCK | MOD; /* clear L3 mode to ensure UDA1341 doesn't respond */ + GPDR = (GPDR | SCK | MOD) & ~SDA; + udelay(10); + if (!(GPLR & SDA)) + printk(KERN_WARNING "Something dragging SDA down?\n"); + GPDR |= SDA; + + adv7171_start(); + adv7171_send(0x54); + adv7171_send(reg); + adv7171_send(val); + adv7171_stop(); + + /* Restore GPIO state for L3 bus */ + GPSR = gplr & (SDA | SCK | MOD); + GPCR = (~gplr) & (SDA | SCK | MOD); + GPDR = gpdr; +} + +static void adv7171_sleep(void) +{ + /* Put the ADV7171 into sleep mode */ + adv7171_write(0x04, 0x40); +} + +static unsigned codec_nreset; + +static void assabet_codec_reset(unsigned mask, int set) +{ + unsigned long flags; + bool old; + + local_irq_save(flags); + old = !codec_nreset; + if (set) + codec_nreset &= ~mask; else -#endif - ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); + codec_nreset |= mask; + + if (old != !codec_nreset) { + if (codec_nreset) { + ASSABET_BCR_set(ASSABET_BCR_NCODEC_RST); + adv7171_sleep(); + } else { + ASSABET_BCR_clear(ASSABET_BCR_NCODEC_RST); + } + } + local_irq_restore(flags); } -/* - * Turn on/off the backlight. When turning the backlight on, - * we wait 500us after turning it on so we don't cause the - * supplies to droop when we enable the LCD controller (and - * cause a hard reset.) - */ -static void assabet_lcd_power(int on) +static void assabet_ucb1x00_reset(enum ucb1x00_reset state) { -#ifndef ASSABET_PAL_VIDEO - if (on) { - ASSABET_BCR_set(ASSABET_BCR_LCD_ON); - udelay(500); - } else -#endif - ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); + int set = state == UCB_RST_REMOVE || state == UCB_RST_SUSPEND || + state == UCB_RST_PROBE_FAIL; + assabet_codec_reset(RST_UCB1X00, set); } +void assabet_uda1341_reset(int set) +{ + assabet_codec_reset(RST_UDA1341, set); +} +EXPORT_SYMBOL(assabet_uda1341_reset); + /* * Assabet flash support code. @@ -152,15 +268,8 @@ static struct flash_platform_data assabet_flash_data = { }; static struct resource assabet_flash_resources[] = { - { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, - }, { - .start = SA1100_CS1_PHYS, - .end = SA1100_CS1_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, - } + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), + DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_32M), }; @@ -177,12 +286,9 @@ static int assabet_irda_set_power(struct device *dev, unsigned int state) 0 }; - if (state < 4) { - state = bcr_state[state]; - ASSABET_BCR_clear(state ^ (ASSABET_BCR_IRDA_MD1| - ASSABET_BCR_IRDA_MD0)); - ASSABET_BCR_set(state); - } + if (state < 4) + ASSABET_BCR_frob(ASSABET_BCR_IRDA_MD1 | ASSABET_BCR_IRDA_MD0, + bcr_state[state]); return 0; } @@ -199,18 +305,127 @@ static struct irda_platform_data assabet_irda_data = { .set_speed = assabet_irda_set_speed, }; +static struct ucb1x00_plat_data assabet_ucb1x00_data = { + .reset = assabet_ucb1x00_reset, + .gpio_base = -1, + .can_wakeup = 1, +}; + static struct mcp_plat_data assabet_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, + .codec_pdata = &assabet_ucb1x00_data, }; +static void assabet_lcd_set_visual(u32 visual) +{ + u_int is_true_color = visual == FB_VISUAL_TRUECOLOR; + + if (machine_is_assabet()) { +#if 1 // phase 4 or newer Assabet's + if (is_true_color) + ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); + else + ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); +#else + // older Assabet's + if (is_true_color) + ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); + else + ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); +#endif + } +} + +#ifndef ASSABET_PAL_VIDEO +static void assabet_lcd_backlight_power(int on) +{ + if (on) + ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON); + else + ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); +} + +/* + * Turn on/off the backlight. When turning the backlight on, we wait + * 500us after turning it on so we don't cause the supplies to droop + * when we enable the LCD controller (and cause a hard reset.) + */ +static void assabet_lcd_power(int on) +{ + if (on) { + ASSABET_BCR_set(ASSABET_BCR_LCD_ON); + udelay(500); + } else + ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); +} + +/* + * The assabet uses a sharp LQ039Q2DS54 LCD module. It is actually + * takes an RGB666 signal, but we provide it with an RGB565 signal + * instead (def_rgb_16). + */ +static struct sa1100fb_mach_info lq039q2ds54_info = { + .pixclock = 171521, .bpp = 16, + .xres = 320, .yres = 240, + + .hsync_len = 5, .vsync_len = 1, + .left_margin = 61, .upper_margin = 3, + .right_margin = 9, .lower_margin = 0, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + + .backlight_power = assabet_lcd_backlight_power, + .lcd_power = assabet_lcd_power, + .set_visual = assabet_lcd_set_visual, +}; +#else +static void assabet_pal_backlight_power(int on) +{ + ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); +} + +static void assabet_pal_power(int on) +{ + ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); +} + +static struct sa1100fb_mach_info pal_info = { + .pixclock = 67797, .bpp = 16, + .xres = 640, .yres = 512, + + .hsync_len = 64, .vsync_len = 6, + .left_margin = 125, .upper_margin = 70, + .right_margin = 115, .lower_margin = 36, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512), + + .backlight_power = assabet_pal_backlight_power, + .lcd_power = assabet_pal_power, + .set_visual = assabet_lcd_set_visual, +}; +#endif + +#ifdef CONFIG_ASSABET_NEPONSET +static struct resource neponset_resources[] = { + DEFINE_RES_MEM(0x10000000, 0x08000000), + DEFINE_RES_MEM(0x18000000, 0x04000000), + DEFINE_RES_MEM(0x40000000, SZ_8K), + DEFINE_RES_IRQ(IRQ_GPIO25), +}; +#endif + static void __init assabet_init(void) { /* * Ensure that the power supply is in "high power" mode. */ - GPDR |= GPIO_GPIO16; GPSR = GPIO_GPIO16; + GPDR |= GPIO_GPIO16; /* * Ensure that these pins are set as outputs and are driving @@ -218,8 +433,16 @@ static void __init assabet_init(void) * the WS latch in the CPLD, and we don't float causing * excessive power drain. --rmk */ - GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM; GPCR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM; + GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM; + + /* + * Also set GPIO27 as an output; this is used to clock UART3 + * via the FPGA and as otherwise has no pullups or pulldowns, + * so stop it floating. + */ + GPCR = GPIO_GPIO27; + GPDR |= GPIO_GPIO27; /* * Set up registers for sleep mode. @@ -231,8 +454,7 @@ static void __init assabet_init(void) PPDR |= PPC_TXD3 | PPC_TXD1; PPSR |= PPC_TXD3 | PPC_TXD1; - sa1100fb_lcd_power = assabet_lcd_power; - sa1100fb_backlight_power = assabet_backlight_power; + sa11x0_ppc_configure_mcp(); if (machine_has_neponset()) { /* @@ -246,9 +468,17 @@ static void __init assabet_init(void) #ifndef CONFIG_ASSABET_NEPONSET printk( "Warning: Neponset detected but full support " "hasn't been configured in the kernel\n" ); +#else + platform_device_register_simple("neponset", 0, + neponset_resources, ARRAY_SIZE(neponset_resources)); #endif } +#ifndef ASSABET_PAL_VIDEO + sa11x0_register_lcd(&lq039q2ds54_info); +#else + sa11x0_register_lcd(&pal_video); +#endif sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources, ARRAY_SIZE(assabet_flash_resources)); sa11x0_register_irda(&assabet_irda_data); @@ -264,11 +494,11 @@ static void __init assabet_init(void) static void __init map_sa1100_gpio_regs( void ) { unsigned long phys = __PREG(GPLR) & PMD_MASK; - unsigned long virt = io_p2v(phys); + unsigned long virt = (unsigned long)io_p2v(phys); int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO); pmd_t *pmd; - pmd = pmd_offset(pgd_offset_k(virt), virt); + pmd = pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt); *pmd = __pmd(phys | prot); flush_pmd_entry(pmd); } @@ -288,7 +518,7 @@ static void __init map_sa1100_gpio_regs( void ) */ static void __init get_assabet_scr(void) { - unsigned long scr, i; + unsigned long uninitialized_var(scr), i; GPDR |= 0x3fc; /* Configure GPIO 9:2 as outputs */ GPSR = 0x3fc; /* Write 0xFF to GPIO 9:2 */ @@ -301,8 +531,7 @@ static void __init get_assabet_scr(void) } static void __init -fixup_assabet(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_assabet(struct tag *tags, char **cmdline) { /* This must be done before any call to machine_has_neponset() */ map_sa1100_gpio_regs(); @@ -412,22 +641,12 @@ static void __init assabet_map_io(void) * Its called GPCLKR0 in my SA1110 manual. */ Ser1SDCR0 |= SDCR0_SUS; + MSC1 = (MSC1 & ~0xffff) | + MSC_NonBrst | MSC_32BitStMem | + MSC_RdAcc(2) | MSC_WrAcc(2) | MSC_Rec(0); - if (machine_has_neponset()) { -#ifdef CONFIG_ASSABET_NEPONSET - extern void neponset_map_io(void); - - /* - * We map Neponset registers even if it isn't present since - * many drivers will try to probe their stuff (and fail). - * This is still more friendly than a kernel paging request - * crash. - */ - neponset_map_io(); -#endif - } else { + if (!machine_has_neponset()) sa1100_register_uart_fns(&assabet_port_fns); - } /* * When Neponset is attached, the first UART should be @@ -445,12 +664,101 @@ static void __init assabet_map_io(void) sa1100_register_uart(2, 3); } +/* LEDs */ +#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) +struct assabet_led { + struct led_classdev cdev; + u32 mask; +}; + +/* + * The triggers lines up below will only be used if the + * LED triggers are compiled in. + */ +static const struct { + const char *name; + const char *trigger; +} assabet_leds[] = { + { "assabet:red", "cpu0",}, + { "assabet:green", "heartbeat", }, +}; + +/* + * The LED control in Assabet is reversed: + * - setting bit means turn off LED + * - clearing bit means turn on LED + */ +static void assabet_led_set(struct led_classdev *cdev, + enum led_brightness b) +{ + struct assabet_led *led = container_of(cdev, + struct assabet_led, cdev); + + if (b != LED_OFF) + ASSABET_BCR_clear(led->mask); + else + ASSABET_BCR_set(led->mask); +} + +static enum led_brightness assabet_led_get(struct led_classdev *cdev) +{ + struct assabet_led *led = container_of(cdev, + struct assabet_led, cdev); + + return (ASSABET_BCR & led->mask) ? LED_OFF : LED_FULL; +} + +static int __init assabet_leds_init(void) +{ + int i; + + if (!machine_is_assabet()) + return -ENODEV; + + for (i = 0; i < ARRAY_SIZE(assabet_leds); i++) { + struct assabet_led *led; + + led = kzalloc(sizeof(*led), GFP_KERNEL); + if (!led) + break; + + led->cdev.name = assabet_leds[i].name; + led->cdev.brightness_set = assabet_led_set; + led->cdev.brightness_get = assabet_led_get; + led->cdev.default_trigger = assabet_leds[i].trigger; + + if (!i) + led->mask = ASSABET_BCR_LED_RED; + else + led->mask = ASSABET_BCR_LED_GREEN; + + if (led_classdev_register(NULL, &led->cdev) < 0) { + kfree(led); + break; + } + } + + return 0; +} + +/* + * Since we may have triggers on any subsystem, defer registration + * until after subsystem_init. + */ +fs_initcall(assabet_leds_init); +#endif MACHINE_START(ASSABET, "Intel-Assabet") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .fixup = fixup_assabet, .map_io = assabet_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = assabet_init, + .init_late = sa11x0_init_late, +#ifdef CONFIG_SA1111 + .dma_zone_size = SZ_1M, +#endif + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c index 4f19ff868b0..63361b6d04e 100644 --- a/arch/arm/mach-sa1100/badge4.c +++ b/arch/arm/mach-sa1100/badge4.c @@ -16,12 +16,15 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/tty.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/errno.h> +#include <linux/gpio.h> +#include <linux/leds.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -32,27 +35,33 @@ #include <asm/mach/flash.h> #include <asm/mach/map.h> #include <asm/hardware/sa1111.h> -#include <asm/mach/serial_sa1100.h> #include <mach/badge4.h> #include "generic.h" static struct resource sa1111_resources[] = { - [0] = { - .start = BADGE4_SA1111_BASE, - .end = BADGE4_SA1111_BASE + 0x00001fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = BADGE4_IRQ_GPIO_SA1111, - .end = BADGE4_IRQ_GPIO_SA1111, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(BADGE4_SA1111_BASE, 0x2000), + [1] = DEFINE_RES_IRQ(BADGE4_IRQ_GPIO_SA1111), }; +static int badge4_sa1111_enable(void *data, unsigned devid) +{ + if (devid == SA1111_DEVID_USB) + badge4_set_5V(BADGE4_5V_USB, 1); + return 0; +} + +static void badge4_sa1111_disable(void *data, unsigned devid) +{ + if (devid == SA1111_DEVID_USB) + badge4_set_5V(BADGE4_5V_USB, 0); +} + static struct sa1111_platform_data sa1111_info = { - .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, + .enable = badge4_sa1111_enable, + .disable = badge4_sa1111_disable, }; static u64 sa1111_dmamask = 0xffffffffUL; @@ -69,8 +78,36 @@ static struct platform_device sa1111_device = { .resource = sa1111_resources, }; +/* LEDs */ +struct gpio_led badge4_gpio_leds[] = { + { + .name = "badge4:red", + .default_trigger = "heartbeat", + .gpio = 7, + }, + { + .name = "badge4:green", + .default_trigger = "cpu0", + .gpio = 9, + }, +}; + +static struct gpio_led_platform_data badge4_gpio_led_info = { + .leds = badge4_gpio_leds, + .num_leds = ARRAY_SIZE(badge4_gpio_leds), +}; + +static struct platform_device badge4_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &badge4_gpio_led_info, + } +}; + static struct platform_device *devices[] __initdata = { &sa1111_device, + &badge4_leds, }; static int __init badge4_sa1111_init(void) @@ -121,11 +158,8 @@ static struct flash_platform_data badge4_flash_data = { .nr_parts = ARRAY_SIZE(badge4_partitions), }; -static struct resource badge4_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_64M - 1, - .flags = IORESOURCE_MEM, -}; +static struct resource badge4_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_64M); static int five_v_on __initdata = 0; @@ -269,11 +303,6 @@ static struct map_desc badge4_io_desc[] __initdata = { .pfn = __phys_to_pfn(0x10000000), .length = 0x00100000, .type = MT_DEVICE - }, { /* SA-1111 */ - .virtual = 0xf4000000, - .pfn = __phys_to_pfn(0x48000000), - .length = 0x00100000, - .type = MT_DEVICE } }; @@ -302,8 +331,14 @@ static void __init badge4_map_io(void) } MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = badge4_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_late = sa11x0_init_late, + .init_time = sa1100_timer_init, +#ifdef CONFIG_SA1111 + .dma_zone_size = SZ_1M, +#endif + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c index 98d780608c7..2d25ececb41 100644 --- a/arch/arm/mach-sa1100/cerf.c +++ b/arch/arm/mach-sa1100/cerf.c @@ -13,12 +13,14 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/tty.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/gpio.h> +#include <linux/leds.h> -#include <asm/irq.h> #include <mach/hardware.h> #include <asm/setup.h> @@ -26,18 +28,14 @@ #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> #include <mach/cerf.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> +#include <mach/irqs.h> #include "generic.h" static struct resource cerfuart2_resources[] = { - [0] = { - .start = 0x80030000, - .end = 0x8003ffff, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(0x80030000, SZ_64K), }; static struct platform_device cerfuart2_device = { @@ -47,8 +45,48 @@ static struct platform_device cerfuart2_device = { .resource = cerfuart2_resources, }; +/* LEDs */ +struct gpio_led cerf_gpio_leds[] = { + { + .name = "cerf:d0", + .default_trigger = "heartbeat", + .gpio = 0, + }, + { + .name = "cerf:d1", + .default_trigger = "cpu0", + .gpio = 1, + }, + { + .name = "cerf:d2", + .default_trigger = "default-on", + .gpio = 2, + }, + { + .name = "cerf:d3", + .default_trigger = "default-on", + .gpio = 3, + }, + +}; + +static struct gpio_led_platform_data cerf_gpio_led_info = { + .leds = cerf_gpio_leds, + .num_leds = ARRAY_SIZE(cerf_gpio_leds), +}; + +static struct platform_device cerf_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &cerf_gpio_led_info, + } +}; + + static struct platform_device *cerf_devices[] __initdata = { &cerfuart2_device, + &cerf_leds, }; #ifdef CONFIG_SA1100_CERF_FLASH_32MB @@ -87,16 +125,13 @@ static struct flash_platform_data cerf_flash_data = { .nr_parts = ARRAY_SIZE(cerf_partitions), }; -static struct resource cerf_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, -}; +static struct resource cerf_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); static void __init cerf_init_irq(void) { sa1100_init_irq(); - set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING); } static struct map_desc cerf_io_desc[] __initdata = { @@ -128,6 +163,7 @@ static struct mcp_plat_data cerf_mcp_data = { static void __init cerf_init(void) { + sa11x0_ppc_configure_mcp(); platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); sa11x0_register_mcp(&cerf_mcp_data); @@ -136,7 +172,10 @@ static void __init cerf_init(void) MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") /* Maintainer: support@intrinsyc.com */ .map_io = cerf_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = cerf_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = cerf_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c index dab3c6347a8..9fa6a990cf0 100644 --- a/arch/arm/mach-sa1100/clock.c +++ b/arch/arm/mach-sa1100/clock.c @@ -11,17 +11,36 @@ #include <linux/clk.h> #include <linux/spinlock.h> #include <linux/mutex.h> +#include <linux/io.h> +#include <linux/clkdev.h> #include <mach/hardware.h> -/* - * Very simple clock implementation - we only have one clock to deal with. - */ +struct clkops { + void (*enable)(struct clk *); + void (*disable)(struct clk *); +}; + struct clk { + const struct clkops *ops; unsigned int enabled; }; -static void clk_gpio27_enable(void) +#define DEFINE_CLK(_name, _ops) \ +struct clk clk_##_name = { \ + .ops = _ops, \ + } + +static DEFINE_SPINLOCK(clocks_lock); + +/* Dummy clk routine to build generic kernel parts that may be using them */ +unsigned long clk_get_rate(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_get_rate); + +static void clk_gpio27_enable(struct clk *clk) { /* * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111: @@ -32,38 +51,24 @@ static void clk_gpio27_enable(void) TUCR = TUCR_3_6864MHz; } -static void clk_gpio27_disable(void) +static void clk_gpio27_disable(struct clk *clk) { TUCR = 0; GPDR &= ~GPIO_32_768kHz; GAFR &= ~GPIO_32_768kHz; } -static struct clk clk_gpio27; - -static DEFINE_SPINLOCK(clocks_lock); - -struct clk *clk_get(struct device *dev, const char *id) -{ - const char *devname = dev_name(dev); - - return strcmp(devname, "sa1111.0") ? ERR_PTR(-ENOENT) : &clk_gpio27; -} -EXPORT_SYMBOL(clk_get); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); - int clk_enable(struct clk *clk) { unsigned long flags; - spin_lock_irqsave(&clocks_lock, flags); - if (clk->enabled++ == 0) - clk_gpio27_enable(); - spin_unlock_irqrestore(&clocks_lock, flags); + if (clk) { + spin_lock_irqsave(&clocks_lock, flags); + if (clk->enabled++ == 0) + clk->ops->enable(clk); + spin_unlock_irqrestore(&clocks_lock, flags); + } + return 0; } EXPORT_SYMBOL(clk_enable); @@ -72,17 +77,31 @@ void clk_disable(struct clk *clk) { unsigned long flags; - WARN_ON(clk->enabled == 0); - - spin_lock_irqsave(&clocks_lock, flags); - if (--clk->enabled == 0) - clk_gpio27_disable(); - spin_unlock_irqrestore(&clocks_lock, flags); + if (clk) { + WARN_ON(clk->enabled == 0); + spin_lock_irqsave(&clocks_lock, flags); + if (--clk->enabled == 0) + clk->ops->disable(clk); + spin_unlock_irqrestore(&clocks_lock, flags); + } } EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) +const struct clkops clk_gpio27_ops = { + .enable = clk_gpio27_enable, + .disable = clk_gpio27_disable, +}; + +static DEFINE_CLK(gpio27, &clk_gpio27_ops); + +static struct clk_lookup sa11xx_clkregs[] = { + CLKDEV_INIT("sa1111.0", NULL, &clk_gpio27), + CLKDEV_INIT("sa1100-rtc", NULL, NULL), +}; + +static int __init sa11xx_clk_init(void) { - return 3686400; + clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs)); + return 0; } -EXPORT_SYMBOL(clk_get_rate); +core_initcall(sa11xx_clk_init); diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index bd3e1bfdd6a..108939f8d05 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -21,37 +21,40 @@ #include <linux/kernel.h> #include <linux/tty.h> #include <linux/delay.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> +#include <linux/mfd/ucb1x00.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/timer.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> #include <linux/gpio.h> #include <linux/pda_power.h> +#include <video/sa1100fb.h> + #include <mach/hardware.h> #include <asm/mach-types.h> -#include <asm/irq.h> +#include <asm/page.h> #include <asm/setup.h> #include <mach/collie.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> +#include <asm/mach/irda.h> #include <asm/hardware/scoop.h> #include <asm/mach/sharpsl_param.h> #include <asm/hardware/locomo.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> +#include <mach/irqs.h> #include "generic.h" static struct resource collie_scoop_resources[] = { - [0] = { - .start = 0x40800000, - .end = 0x40800fff, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(0x40800000, SZ_4K), }; static struct scoop_config collie_scoop_setup = { @@ -84,10 +87,45 @@ static struct scoop_pcmcia_config collie_pcmcia_config = { .num_devs = 1, }; +static struct ucb1x00_plat_data collie_ucb1x00_data = { + .gpio_base = COLLIE_TC35143_GPIO_BASE, +}; + static struct mcp_plat_data collie_mcp_data = { .mccr0 = MCCR0_ADM | MCCR0_ExtClk, .sclk_rate = 9216000, - .gpio_base = COLLIE_TC35143_GPIO_BASE, + .codec_pdata = &collie_ucb1x00_data, +}; + +static int collie_ir_startup(struct device *dev) +{ + int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); + if (rc) + return rc; + rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); + + if (!rc) + return 0; + + gpio_free(COLLIE_GPIO_IR_ON); + return rc; +} + +static void collie_ir_shutdown(struct device *dev) +{ + gpio_free(COLLIE_GPIO_IR_ON); +} + +static int collie_ir_set_power(struct device *dev, unsigned int state) +{ + gpio_set_value(COLLIE_GPIO_IR_ON, !state); + return 0; +} + +static struct irda_platform_data collie_ir_data = { + .startup = collie_ir_startup, + .shutdown = collie_ir_shutdown, + .set_power = collie_ir_set_power, }; /* @@ -137,8 +175,6 @@ static struct pda_power_pdata collie_power_data = { static struct resource collie_power_resource[] = { { .name = "ac", - .start = gpio_to_irq(COLLIE_GPIO_AC_IN), - .end = gpio_to_irq(COLLIE_GPIO_AC_IN), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, @@ -222,16 +258,8 @@ device_initcall(collie_uart_init); static struct resource locomo_resources[] = { - [0] = { - .start = 0x40000000, - .end = 0x40001fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_GPIO25, - .end = IRQ_GPIO25, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), + [1] = DEFINE_RES_IRQ(IRQ_GPIO25), }; static struct locomo_platform_data locomo_info = { @@ -248,10 +276,43 @@ struct platform_device collie_locomo_device = { .resource = locomo_resources, }; +static struct gpio_keys_button collie_gpio_keys[] = { + { + .type = EV_PWR, + .code = KEY_RESERVED, + .gpio = COLLIE_GPIO_ON_KEY, + .desc = "On key", + .wakeup = 1, + .active_low = 1, + }, + { + .type = EV_PWR, + .code = KEY_WAKEUP, + .gpio = COLLIE_GPIO_WAKEUP, + .desc = "Sync", + .wakeup = 1, + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data collie_gpio_keys_data = { + .buttons = collie_gpio_keys, + .nbuttons = ARRAY_SIZE(collie_gpio_keys), +}; + +static struct platform_device collie_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &collie_gpio_keys_data, + }, +}; + static struct platform_device *devices[] __initdata = { &collie_locomo_device, &colliescoop_device, &collie_power_device, + &collie_gpio_keys_device, }; static struct mtd_partition collie_partitions[] = { @@ -268,6 +329,11 @@ static struct mtd_partition collie_partitions[] = { .name = "rootfs", .offset = MTDPART_OFS_APPEND, .size = 0x00e20000, + }, { + .name = "bootblock", + .offset = MTDPART_OFS_APPEND, + .size = 0x00020000, + .mask_flags = MTD_WRITEABLE } }; @@ -304,11 +370,25 @@ static struct flash_platform_data collie_flash_data = { }; static struct resource collie_flash_resources[] = { - { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, - } + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), +}; + +static struct sa1100fb_mach_info collie_lcd_info = { + .pixclock = 171521, .bpp = 16, + .xres = 320, .yres = 240, + + .hsync_len = 5, .vsync_len = 1, + .left_margin = 11, .upper_margin = 2, + .right_margin = 30, .lower_margin = 0, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + +#ifdef CONFIG_BACKLIGHT_LOCOMO + .lcd_power = locomolcd_power +#endif }; static void __init collie_init(void) @@ -340,6 +420,11 @@ static void __init collie_init(void) GPSR |= _COLLIE_GPIO_UCB1x00_RESET; + collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN); + collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN); + + sa11x0_ppc_configure_mcp(); + platform_scoop_config = &collie_pcmcia_config; @@ -348,9 +433,11 @@ static void __init collie_init(void) printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); } + sa11x0_register_lcd(&collie_lcd_info); sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, ARRAY_SIZE(collie_flash_resources)); sa11x0_register_mcp(&collie_mcp_data); + sa11x0_register_irda(&collie_ir_data); sharpsl_save_param(); } @@ -383,7 +470,10 @@ static void __init collie_map_io(void) MACHINE_START(COLLIE, "Sharp-Collie") .map_io = collie_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = collie_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c deleted file mode 100644 index 07d4e8ba371..00000000000 --- a/arch/arm/mach-sa1100/cpu-sa1100.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * cpu-sa1100.c: clock scaling for the SA1100 - * - * Copyright (C) 2000 2001, The Delft University of Technology - * - * Authors: - * - Johan Pouwelse (J.A.Pouwelse@its.tudelft.nl): initial version - * - Erik Mouw (J.A.K.Mouw@its.tudelft.nl): - * - major rewrite for linux-2.3.99 - * - rewritten for the more generic power management scheme in - * linux-2.4.5-rmk1 - * - * This software has been developed while working on the LART - * computing board (http://www.lartmaker.nl/), which is - * sponsored by the Mobile Multi-media Communications - * (http://www.mobimedia.org/) and Ubiquitous Communications - * (http://www.ubicom.tudelft.nl/) projects. - * - * The authors can be reached at: - * - * Erik Mouw - * Information and Communication Theory Group - * Faculty of Information Technology and Systems - * Delft University of Technology - * P.O. Box 5031 - * 2600 GA Delft - * The Netherlands - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * - * Theory of operations - * ==================== - * - * Clock scaling can be used to lower the power consumption of the CPU - * core. This will give you a somewhat longer running time. - * - * The SA-1100 has a single register to change the core clock speed: - * - * PPCR 0x90020014 PLL config - * - * However, the DRAM timings are closely related to the core clock - * speed, so we need to change these, too. The used registers are: - * - * MDCNFG 0xA0000000 DRAM config - * MDCAS0 0xA0000004 Access waveform - * MDCAS1 0xA0000008 Access waveform - * MDCAS2 0xA000000C Access waveform - * - * Care must be taken to change the DRAM parameters the correct way, - * because otherwise the DRAM becomes unusable and the kernel will - * crash. - * - * The simple solution to avoid a kernel crash is to put the actual - * clock change in ROM and jump to that code from the kernel. The main - * disadvantage is that the ROM has to be modified, which is not - * possible on all SA-1100 platforms. Another disadvantage is that - * jumping to ROM makes clock switching unecessary complicated. - * - * The idea behind this driver is that the memory configuration can be - * changed while running from DRAM (even with interrupts turned on!) - * as long as all re-configuration steps yield a valid DRAM - * configuration. The advantages are clear: it will run on all SA-1100 - * platforms, and the code is very simple. - * - * If you really want to understand what is going on in - * sa1100_update_dram_timings(), you'll have to read sections 8.2, - * 9.5.7.3, and 10.2 from the "Intel StrongARM SA-1100 Microprocessor - * Developers Manual" (available for free from Intel). - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/cpufreq.h> - -#include <asm/cputype.h> - -#include <mach/hardware.h> - -#include "generic.h" - -struct sa1100_dram_regs { - int speed; - u32 mdcnfg; - u32 mdcas0; - u32 mdcas1; - u32 mdcas2; -}; - - -static struct cpufreq_driver sa1100_driver; - -static struct sa1100_dram_regs sa1100_dram_settings[] = { - /*speed, mdcnfg, mdcas0, mdcas1, mdcas2, clock freq */ - { 59000, 0x00dc88a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/* 59.0 MHz */ - { 73700, 0x011490a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/* 73.7 MHz */ - { 88500, 0x014e90a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/* 88.5 MHz */ - {103200, 0x01889923, 0xcccccccf, 0xfffffffc, 0xffffffff},/* 103.2 MHz */ - {118000, 0x01c29923, 0x9999998f, 0xfffffff9, 0xffffffff},/* 118.0 MHz */ - {132700, 0x01fb2123, 0x9999998f, 0xfffffff9, 0xffffffff},/* 132.7 MHz */ - {147500, 0x02352123, 0x3333330f, 0xfffffff3, 0xffffffff},/* 147.5 MHz */ - {162200, 0x026b29a3, 0x38e38e1f, 0xfff8e38e, 0xffffffff},/* 162.2 MHz */ - {176900, 0x02a329a3, 0x71c71c1f, 0xfff1c71c, 0xffffffff},/* 176.9 MHz */ - {191700, 0x02dd31a3, 0xe38e383f, 0xffe38e38, 0xffffffff},/* 191.7 MHz */ - {206400, 0x03153223, 0xc71c703f, 0xffc71c71, 0xffffffff},/* 206.4 MHz */ - {221200, 0x034fba23, 0xc71c703f, 0xffc71c71, 0xffffffff},/* 221.2 MHz */ - {235900, 0x03853a23, 0xe1e1e07f, 0xe1e1e1e1, 0xffffffe1},/* 235.9 MHz */ - {250700, 0x03bf3aa3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3},/* 250.7 MHz */ - {265400, 0x03f7c2a3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3},/* 265.4 MHz */ - {280200, 0x0431c2a3, 0x878780ff, 0x87878787, 0xffffff87},/* 280.2 MHz */ - { 0, 0, 0, 0, 0 } /* last entry */ -}; - -static void sa1100_update_dram_timings(int current_speed, int new_speed) -{ - struct sa1100_dram_regs *settings = sa1100_dram_settings; - - /* find speed */ - while (settings->speed != 0) { - if (new_speed == settings->speed) - break; - - settings++; - } - - if (settings->speed == 0) { - panic("%s: couldn't find dram setting for speed %d\n", - __func__, new_speed); - } - - /* No risk, no fun: run with interrupts on! */ - if (new_speed > current_speed) { - /* We're going FASTER, so first relax the memory - * timings before changing the core frequency - */ - - /* Half the memory access clock */ - MDCNFG |= MDCNFG_CDB2; - - /* The order of these statements IS important, keep 8 - * pulses!! - */ - MDCAS2 = settings->mdcas2; - MDCAS1 = settings->mdcas1; - MDCAS0 = settings->mdcas0; - MDCNFG = settings->mdcnfg; - } else { - /* We're going SLOWER: first decrease the core - * frequency and then tighten the memory settings. - */ - - /* Half the memory access clock */ - MDCNFG |= MDCNFG_CDB2; - - /* The order of these statements IS important, keep 8 - * pulses!! - */ - MDCAS0 = settings->mdcas0; - MDCAS1 = settings->mdcas1; - MDCAS2 = settings->mdcas2; - MDCNFG = settings->mdcnfg; - } -} - -static int sa1100_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int cur = sa11x0_getspeed(0); - unsigned int new_ppcr; - struct cpufreq_freqs freqs; - - new_ppcr = sa11x0_freq_to_ppcr(target_freq); - switch (relation) { - case CPUFREQ_RELATION_L: - if (sa11x0_ppcr_to_freq(new_ppcr) > policy->max) - new_ppcr--; - break; - case CPUFREQ_RELATION_H: - if ((sa11x0_ppcr_to_freq(new_ppcr) > target_freq) && - (sa11x0_ppcr_to_freq(new_ppcr - 1) >= policy->min)) - new_ppcr--; - break; - } - - freqs.old = cur; - freqs.new = sa11x0_ppcr_to_freq(new_ppcr); - freqs.cpu = 0; - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - if (freqs.new > cur) - sa1100_update_dram_timings(cur, freqs.new); - - PPCR = new_ppcr; - - if (freqs.new < cur) - sa1100_update_dram_timings(cur, freqs.new); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - - return 0; -} - -static int __init sa1100_cpu_init(struct cpufreq_policy *policy) -{ - if (policy->cpu != 0) - return -EINVAL; - policy->cur = policy->min = policy->max = sa11x0_getspeed(0); - policy->cpuinfo.min_freq = 59000; - policy->cpuinfo.max_freq = 287000; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; - return 0; -} - -static struct cpufreq_driver sa1100_driver = { - .flags = CPUFREQ_STICKY, - .verify = sa11x0_verify_speed, - .target = sa1100_target, - .get = sa11x0_getspeed, - .init = sa1100_cpu_init, - .name = "sa1100", -}; - -static int __init sa1100_dram_init(void) -{ - if (cpu_is_sa1100()) - return cpufreq_register_driver(&sa1100_driver); - else - return -ENODEV; -} - -arch_initcall(sa1100_dram_init); diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c deleted file mode 100644 index 675bf8ef97e..00000000000 --- a/arch/arm/mach-sa1100/cpu-sa1110.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/cpu-sa1110.c - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Note: there are two erratas that apply to the SA1110 here: - * 7 - SDRAM auto-power-up failure (rev A0) - * 13 - Corruption of internal register reads/writes following - * SDRAM reads (rev A0, B0, B1) - * - * We ignore rev. A0 and B0 devices; I don't think they're worth supporting. - * - * The SDRAM type can be passed on the command line as cpu_sa1110.sdram=type - */ -#include <linux/cpufreq.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/moduleparam.h> -#include <linux/types.h> - -#include <asm/cputype.h> -#include <asm/mach-types.h> - -#include <mach/hardware.h> - -#include "generic.h" - -#undef DEBUG - -struct sdram_params { - const char name[20]; - u_char rows; /* bits */ - u_char cas_latency; /* cycles */ - u_char tck; /* clock cycle time (ns) */ - u_char trcd; /* activate to r/w (ns) */ - u_char trp; /* precharge to activate (ns) */ - u_char twr; /* write recovery time (ns) */ - u_short refresh; /* refresh time for array (us) */ -}; - -struct sdram_info { - u_int mdcnfg; - u_int mdrefr; - u_int mdcas[3]; -}; - -static struct sdram_params sdram_tbl[] __initdata = { - { /* Toshiba TC59SM716 CL2 */ - .name = "TC59SM716-CL2", - .rows = 12, - .tck = 10, - .trcd = 20, - .trp = 20, - .twr = 10, - .refresh = 64000, - .cas_latency = 2, - }, { /* Toshiba TC59SM716 CL3 */ - .name = "TC59SM716-CL3", - .rows = 12, - .tck = 8, - .trcd = 20, - .trp = 20, - .twr = 8, - .refresh = 64000, - .cas_latency = 3, - }, { /* Samsung K4S641632D TC75 */ - .name = "K4S641632D", - .rows = 14, - .tck = 9, - .trcd = 27, - .trp = 20, - .twr = 9, - .refresh = 64000, - .cas_latency = 3, - }, { /* Samsung K4S281632B-1H */ - .name = "K4S281632B-1H", - .rows = 12, - .tck = 10, - .trp = 20, - .twr = 10, - .refresh = 64000, - .cas_latency = 3, - }, { /* Samsung KM416S4030CT */ - .name = "KM416S4030CT", - .rows = 13, - .tck = 8, - .trcd = 24, /* 3 CLKs */ - .trp = 24, /* 3 CLKs */ - .twr = 16, /* Trdl: 2 CLKs */ - .refresh = 64000, - .cas_latency = 3, - }, { /* Winbond W982516AH75L CL3 */ - .name = "W982516AH75L", - .rows = 16, - .tck = 8, - .trcd = 20, - .trp = 20, - .twr = 8, - .refresh = 64000, - .cas_latency = 3, - }, { /* Micron MT48LC8M16A2TG-75 */ - .name = "MT48LC8M16A2TG-75", - .rows = 12, - .tck = 8, - .trcd = 20, - .trp = 20, - .twr = 8, - .refresh = 64000, - .cas_latency = 3, - }, -}; - -static struct sdram_params sdram_params; - -/* - * Given a period in ns and frequency in khz, calculate the number of - * cycles of frequency in period. Note that we round up to the next - * cycle, even if we are only slightly over. - */ -static inline u_int ns_to_cycles(u_int ns, u_int khz) -{ - return (ns * khz + 999999) / 1000000; -} - -/* - * Create the MDCAS register bit pattern. - */ -static inline void set_mdcas(u_int *mdcas, int delayed, u_int rcd) -{ - u_int shift; - - rcd = 2 * rcd - 1; - shift = delayed + 1 + rcd; - - mdcas[0] = (1 << rcd) - 1; - mdcas[0] |= 0x55555555 << shift; - mdcas[1] = mdcas[2] = 0x55555555 << (shift & 1); -} - -static void -sdram_calculate_timing(struct sdram_info *sd, u_int cpu_khz, - struct sdram_params *sdram) -{ - u_int mem_khz, sd_khz, trp, twr; - - mem_khz = cpu_khz / 2; - sd_khz = mem_khz; - - /* - * If SDCLK would invalidate the SDRAM timings, - * run SDCLK at half speed. - * - * CPU steppings prior to B2 must either run the memory at - * half speed or use delayed read latching (errata 13). - */ - if ((ns_to_cycles(sdram->tck, sd_khz) > 1) || - (CPU_REVISION < CPU_SA1110_B2 && sd_khz < 62000)) - sd_khz /= 2; - - sd->mdcnfg = MDCNFG & 0x007f007f; - - twr = ns_to_cycles(sdram->twr, mem_khz); - - /* trp should always be >1 */ - trp = ns_to_cycles(sdram->trp, mem_khz) - 1; - if (trp < 1) - trp = 1; - - sd->mdcnfg |= trp << 8; - sd->mdcnfg |= trp << 24; - sd->mdcnfg |= sdram->cas_latency << 12; - sd->mdcnfg |= sdram->cas_latency << 28; - sd->mdcnfg |= twr << 14; - sd->mdcnfg |= twr << 30; - - sd->mdrefr = MDREFR & 0xffbffff0; - sd->mdrefr |= 7; - - if (sd_khz != mem_khz) - sd->mdrefr |= MDREFR_K1DB2; - - /* initial number of '1's in MDCAS + 1 */ - set_mdcas(sd->mdcas, sd_khz >= 62000, - ns_to_cycles(sdram->trcd, mem_khz)); - -#ifdef DEBUG - printk(KERN_DEBUG "MDCNFG: %08x MDREFR: %08x MDCAS0: %08x MDCAS1: %08x MDCAS2: %08x\n", - sd->mdcnfg, sd->mdrefr, sd->mdcas[0], sd->mdcas[1], - sd->mdcas[2]); -#endif -} - -/* - * Set the SDRAM refresh rate. - */ -static inline void sdram_set_refresh(u_int dri) -{ - MDREFR = (MDREFR & 0xffff000f) | (dri << 4); - (void) MDREFR; -} - -/* - * Update the refresh period. We do this such that we always refresh - * the SDRAMs within their permissible period. The refresh period is - * always a multiple of the memory clock (fixed at cpu_clock / 2). - * - * FIXME: we don't currently take account of burst accesses here, - * but neither do Intels DM nor Angel. - */ -static void -sdram_update_refresh(u_int cpu_khz, struct sdram_params *sdram) -{ - u_int ns_row = (sdram->refresh * 1000) >> sdram->rows; - u_int dri = ns_to_cycles(ns_row, cpu_khz / 2) / 32; - -#ifdef DEBUG - mdelay(250); - printk(KERN_DEBUG "new dri value = %d\n", dri); -#endif - - sdram_set_refresh(dri); -} - -/* - * Ok, set the CPU frequency. - */ -static int sa1110_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - struct sdram_params *sdram = &sdram_params; - struct cpufreq_freqs freqs; - struct sdram_info sd; - unsigned long flags; - unsigned int ppcr, unused; - - switch (relation) { - case CPUFREQ_RELATION_L: - ppcr = sa11x0_freq_to_ppcr(target_freq); - if (sa11x0_ppcr_to_freq(ppcr) > policy->max) - ppcr--; - break; - case CPUFREQ_RELATION_H: - ppcr = sa11x0_freq_to_ppcr(target_freq); - if (ppcr && (sa11x0_ppcr_to_freq(ppcr) > target_freq) && - (sa11x0_ppcr_to_freq(ppcr-1) >= policy->min)) - ppcr--; - break; - default: - return -EINVAL; - } - - freqs.old = sa11x0_getspeed(0); - freqs.new = sa11x0_ppcr_to_freq(ppcr); - freqs.cpu = 0; - - sdram_calculate_timing(&sd, freqs.new, sdram); - -#if 0 - /* - * These values are wrong according to the SA1110 documentation - * and errata, but they seem to work. Need to get a storage - * scope on to the SDRAM signals to work out why. - */ - if (policy->max < 147500) { - sd.mdrefr |= MDREFR_K1DB2; - sd.mdcas[0] = 0xaaaaaa7f; - } else { - sd.mdrefr &= ~MDREFR_K1DB2; - sd.mdcas[0] = 0xaaaaaa9f; - } - sd.mdcas[1] = 0xaaaaaaaa; - sd.mdcas[2] = 0xaaaaaaaa; -#endif - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - /* - * The clock could be going away for some time. Set the SDRAMs - * to refresh rapidly (every 64 memory clock cycles). To get - * through the whole array, we need to wait 262144 mclk cycles. - * We wait 20ms to be safe. - */ - sdram_set_refresh(2); - if (!irqs_disabled()) - msleep(20); - else - mdelay(20); - - /* - * Reprogram the DRAM timings with interrupts disabled, and - * ensure that we are doing this within a complete cache line. - * This means that we won't access SDRAM for the duration of - * the programming. - */ - local_irq_save(flags); - asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)); - udelay(10); - __asm__ __volatile__("\n\ - b 2f \n\ - .align 5 \n\ -1: str %3, [%1, #0] @ MDCNFG \n\ - str %4, [%1, #28] @ MDREFR \n\ - str %5, [%1, #4] @ MDCAS0 \n\ - str %6, [%1, #8] @ MDCAS1 \n\ - str %7, [%1, #12] @ MDCAS2 \n\ - str %8, [%2, #0] @ PPCR \n\ - ldr %0, [%1, #0] \n\ - b 3f \n\ -2: b 1b \n\ -3: nop \n\ - nop" - : "=&r" (unused) - : "r" (&MDCNFG), "r" (&PPCR), "0" (sd.mdcnfg), - "r" (sd.mdrefr), "r" (sd.mdcas[0]), - "r" (sd.mdcas[1]), "r" (sd.mdcas[2]), "r" (ppcr)); - local_irq_restore(flags); - - /* - * Now, return the SDRAM refresh back to normal. - */ - sdram_update_refresh(freqs.new, sdram); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - - return 0; -} - -static int __init sa1110_cpu_init(struct cpufreq_policy *policy) -{ - if (policy->cpu != 0) - return -EINVAL; - policy->cur = policy->min = policy->max = sa11x0_getspeed(0); - policy->cpuinfo.min_freq = 59000; - policy->cpuinfo.max_freq = 287000; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; - return 0; -} - -/* sa1110_driver needs __refdata because it must remain after init registers - * it with cpufreq_register_driver() */ -static struct cpufreq_driver sa1110_driver __refdata = { - .flags = CPUFREQ_STICKY, - .verify = sa11x0_verify_speed, - .target = sa1110_target, - .get = sa11x0_getspeed, - .init = sa1110_cpu_init, - .name = "sa1110", -}; - -static struct sdram_params *sa1110_find_sdram(const char *name) -{ - struct sdram_params *sdram; - - for (sdram = sdram_tbl; sdram < sdram_tbl + ARRAY_SIZE(sdram_tbl); - sdram++) - if (strcmp(name, sdram->name) == 0) - return sdram; - - return NULL; -} - -static char sdram_name[16]; - -static int __init sa1110_clk_init(void) -{ - struct sdram_params *sdram; - const char *name = sdram_name; - - if (!cpu_is_sa1110()) - return -ENODEV; - - if (!name[0]) { - if (machine_is_assabet()) - name = "TC59SM716-CL3"; - if (machine_is_pt_system3()) - name = "K4S641632D"; - if (machine_is_h3100()) - name = "KM416S4030CT"; - if (machine_is_jornada720()) - name = "K4S281632B-1H"; - if (machine_is_nanoengine()) - name = "MT48LC8M16A2TG-75"; - } - - sdram = sa1110_find_sdram(name); - if (sdram) { - printk(KERN_DEBUG "SDRAM: tck: %d trcd: %d trp: %d" - " twr: %d refresh: %d cas_latency: %d\n", - sdram->tck, sdram->trcd, sdram->trp, - sdram->twr, sdram->refresh, sdram->cas_latency); - - memcpy(&sdram_params, sdram, sizeof(sdram_params)); - - return cpufreq_register_driver(&sa1110_driver); - } - - return 0; -} - -module_param_string(sdram, sdram_name, sizeof(sdram_name), 0); -arch_initcall(sa1110_clk_init); diff --git a/arch/arm/mach-sa1100/dma.c b/arch/arm/mach-sa1100/dma.c deleted file mode 100644 index ad660350c29..00000000000 --- a/arch/arm/mach-sa1100/dma.c +++ /dev/null @@ -1,348 +0,0 @@ -/* - * arch/arm/mach-sa1100/dma.c - * - * Support functions for the SA11x0 internal DMA channels. - * - * Copyright (C) 2000, 2001 by Nicolas Pitre - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/errno.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <mach/hardware.h> -#include <mach/dma.h> - - -#undef DEBUG -#ifdef DEBUG -#define DPRINTK( s, arg... ) printk( "dma<%p>: " s, regs , ##arg ) -#else -#define DPRINTK( x... ) -#endif - - -typedef struct { - const char *device_id; /* device name */ - u_long device; /* this channel device, 0 if unused*/ - dma_callback_t callback; /* to call when DMA completes */ - void *data; /* ... with private data ptr */ -} sa1100_dma_t; - -static sa1100_dma_t dma_chan[SA1100_DMA_CHANNELS]; - -static DEFINE_SPINLOCK(dma_list_lock); - - -static irqreturn_t dma_irq_handler(int irq, void *dev_id) -{ - dma_regs_t *dma_regs = dev_id; - sa1100_dma_t *dma = dma_chan + (((u_int)dma_regs >> 5) & 7); - int status = dma_regs->RdDCSR; - - if (status & (DCSR_ERROR)) { - printk(KERN_CRIT "DMA on \"%s\" caused an error\n", dma->device_id); - dma_regs->ClrDCSR = DCSR_ERROR; - } - - dma_regs->ClrDCSR = status & (DCSR_DONEA | DCSR_DONEB); - if (dma->callback) { - if (status & DCSR_DONEA) - dma->callback(dma->data); - if (status & DCSR_DONEB) - dma->callback(dma->data); - } - return IRQ_HANDLED; -} - - -/** - * sa1100_request_dma - allocate one of the SA11x0's DMA channels - * @device: The SA11x0 peripheral targeted by this request - * @device_id: An ascii name for the claiming device - * @callback: Function to be called when the DMA completes - * @data: A cookie passed back to the callback function - * @dma_regs: Pointer to the location of the allocated channel's identifier - * - * This function will search for a free DMA channel and returns the - * address of the hardware registers for that channel as the channel - * identifier. This identifier is written to the location pointed by - * @dma_regs. The list of possible values for @device are listed into - * arch/arm/mach-sa1100/include/mach/dma.h as a dma_device_t enum. - * - * Note that reading from a port and writing to the same port are - * actually considered as two different streams requiring separate - * DMA registrations. - * - * The @callback function is called from interrupt context when one - * of the two possible DMA buffers in flight has terminated. That - * function has to be small and efficient while posponing more complex - * processing to a lower priority execution context. - * - * If no channels are available, or if the desired @device is already in - * use by another DMA channel, then an error code is returned. This - * function must be called before any other DMA calls. - **/ - -int sa1100_request_dma (dma_device_t device, const char *device_id, - dma_callback_t callback, void *data, - dma_regs_t **dma_regs) -{ - sa1100_dma_t *dma = NULL; - dma_regs_t *regs; - int i, err; - - *dma_regs = NULL; - - err = 0; - spin_lock(&dma_list_lock); - for (i = 0; i < SA1100_DMA_CHANNELS; i++) { - if (dma_chan[i].device == device) { - err = -EBUSY; - break; - } else if (!dma_chan[i].device && !dma) { - dma = &dma_chan[i]; - } - } - if (!err) { - if (dma) - dma->device = device; - else - err = -ENOSR; - } - spin_unlock(&dma_list_lock); - if (err) - return err; - - i = dma - dma_chan; - regs = (dma_regs_t *)&DDAR(i); - err = request_irq(IRQ_DMA0 + i, dma_irq_handler, IRQF_DISABLED, - device_id, regs); - if (err) { - printk(KERN_ERR - "%s: unable to request IRQ %d for %s\n", - __func__, IRQ_DMA0 + i, device_id); - dma->device = 0; - return err; - } - - *dma_regs = regs; - dma->device_id = device_id; - dma->callback = callback; - dma->data = data; - - regs->ClrDCSR = - (DCSR_DONEA | DCSR_DONEB | DCSR_STRTA | DCSR_STRTB | - DCSR_IE | DCSR_ERROR | DCSR_RUN); - regs->DDAR = device; - - return 0; -} - - -/** - * sa1100_free_dma - free a SA11x0 DMA channel - * @regs: identifier for the channel to free - * - * This clears all activities on a given DMA channel and releases it - * for future requests. The @regs identifier is provided by a - * successful call to sa1100_request_dma(). - **/ - -void sa1100_free_dma(dma_regs_t *regs) -{ - int i; - - for (i = 0; i < SA1100_DMA_CHANNELS; i++) - if (regs == (dma_regs_t *)&DDAR(i)) - break; - if (i >= SA1100_DMA_CHANNELS) { - printk(KERN_ERR "%s: bad DMA identifier\n", __func__); - return; - } - - if (!dma_chan[i].device) { - printk(KERN_ERR "%s: Trying to free free DMA\n", __func__); - return; - } - - regs->ClrDCSR = - (DCSR_DONEA | DCSR_DONEB | DCSR_STRTA | DCSR_STRTB | - DCSR_IE | DCSR_ERROR | DCSR_RUN); - free_irq(IRQ_DMA0 + i, regs); - dma_chan[i].device = 0; -} - - -/** - * sa1100_start_dma - submit a data buffer for DMA - * @regs: identifier for the channel to use - * @dma_ptr: buffer physical (or bus) start address - * @size: buffer size - * - * This function hands the given data buffer to the hardware for DMA - * access. If another buffer is already in flight then this buffer - * will be queued so the DMA engine will switch to it automatically - * when the previous one is done. The DMA engine is actually toggling - * between two buffers so at most 2 successful calls can be made before - * one of them terminates and the callback function is called. - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - * - * The @size must not be larger than %MAX_DMA_SIZE. If a given buffer - * is larger than that then it's the caller's responsibility to split - * it into smaller chunks and submit them separately. If this is the - * case then a @size of %CUT_DMA_SIZE is recommended to avoid ending - * up with too small chunks. The callback function can be used to chain - * submissions of buffer chunks. - * - * Error return values: - * %-EOVERFLOW: Given buffer size is too big. - * %-EBUSY: Both DMA buffers are already in use. - * %-EAGAIN: Both buffers were busy but one of them just completed - * but the interrupt handler has to execute first. - * - * This function returs 0 on success. - **/ - -int sa1100_start_dma(dma_regs_t *regs, dma_addr_t dma_ptr, u_int size) -{ - unsigned long flags; - u_long status; - int ret; - - if (dma_ptr & 3) - printk(KERN_WARNING "DMA: unaligned start address (0x%08lx)\n", - (unsigned long)dma_ptr); - - if (size > MAX_DMA_SIZE) - return -EOVERFLOW; - - local_irq_save(flags); - status = regs->RdDCSR; - - /* If both DMA buffers are started, there's nothing else we can do. */ - if ((status & (DCSR_STRTA | DCSR_STRTB)) == (DCSR_STRTA | DCSR_STRTB)) { - DPRINTK("start: st %#x busy\n", status); - ret = -EBUSY; - goto out; - } - - if (((status & DCSR_BIU) && (status & DCSR_STRTB)) || - (!(status & DCSR_BIU) && !(status & DCSR_STRTA))) { - if (status & DCSR_DONEA) { - /* give a chance for the interrupt to be processed */ - ret = -EAGAIN; - goto out; - } - regs->DBSA = dma_ptr; - regs->DBTA = size; - regs->SetDCSR = DCSR_STRTA | DCSR_IE | DCSR_RUN; - DPRINTK("start a=%#x s=%d on A\n", dma_ptr, size); - } else { - if (status & DCSR_DONEB) { - /* give a chance for the interrupt to be processed */ - ret = -EAGAIN; - goto out; - } - regs->DBSB = dma_ptr; - regs->DBTB = size; - regs->SetDCSR = DCSR_STRTB | DCSR_IE | DCSR_RUN; - DPRINTK("start a=%#x s=%d on B\n", dma_ptr, size); - } - ret = 0; - -out: - local_irq_restore(flags); - return ret; -} - - -/** - * sa1100_get_dma_pos - return current DMA position - * @regs: identifier for the channel to use - * - * This function returns the current physical (or bus) address for the - * given DMA channel. If the channel is running i.e. not in a stopped - * state then the caller must disable interrupts prior calling this - * function and process the returned value before re-enabling them to - * prevent races with the completion interrupt handler and the callback - * function. The validation of the returned value is the caller's - * responsibility as well -- the hardware seems to return out of range - * values when the DMA engine completes a buffer. - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - **/ - -dma_addr_t sa1100_get_dma_pos(dma_regs_t *regs) -{ - int status; - - /* - * We must determine whether buffer A or B is active. - * Two possibilities: either we are in the middle of - * a buffer, or the DMA controller just switched to the - * next toggle but the interrupt hasn't been serviced yet. - * The former case is straight forward. In the later case, - * we'll do like if DMA is just at the end of the previous - * toggle since all registers haven't been reset yet. - * This goes around the edge case and since we're always - * a little behind anyways it shouldn't make a big difference. - * If DMA has been stopped prior calling this then the - * position is exact. - */ - status = regs->RdDCSR; - if ((!(status & DCSR_BIU) && (status & DCSR_STRTA)) || - ( (status & DCSR_BIU) && !(status & DCSR_STRTB))) - return regs->DBSA; - else - return regs->DBSB; -} - - -/** - * sa1100_reset_dma - reset a DMA channel - * @regs: identifier for the channel to use - * - * This function resets and reconfigure the given DMA channel. This is - * particularly useful after a sleep/wakeup event. - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - **/ - -void sa1100_reset_dma(dma_regs_t *regs) -{ - int i; - - for (i = 0; i < SA1100_DMA_CHANNELS; i++) - if (regs == (dma_regs_t *)&DDAR(i)) - break; - if (i >= SA1100_DMA_CHANNELS) { - printk(KERN_ERR "%s: bad DMA identifier\n", __func__); - return; - } - - regs->ClrDCSR = - (DCSR_DONEA | DCSR_DONEB | DCSR_STRTA | DCSR_STRTB | - DCSR_IE | DCSR_ERROR | DCSR_RUN); - regs->DDAR = dma_chan[i].device; -} - - -EXPORT_SYMBOL(sa1100_request_dma); -EXPORT_SYMBOL(sa1100_free_dma); -EXPORT_SYMBOL(sa1100_start_dma); -EXPORT_SYMBOL(sa1100_get_dma_pos); -EXPORT_SYMBOL(sa1100_reset_dma); - diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index e21f3470eec..d4ea142c4ed 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -9,22 +9,28 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/gpio.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/pm.h> #include <linux/cpufreq.h> #include <linux/ioport.h> #include <linux/platform_device.h> +#include <linux/reboot.h> + +#include <video/sa1100fb.h> #include <asm/div64.h> -#include <mach/hardware.h> -#include <asm/system.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> #include <asm/irq.h> -#include <asm/gpio.h> +#include <asm/system_misc.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> #include "generic.h" @@ -36,74 +42,31 @@ EXPORT_SYMBOL(reset_status); /* * This table is setup for a 3.6864MHz Crystal. */ -static const unsigned short cclk_frequency_100khz[NR_FREQS] = { - 590, /* 59.0 MHz */ - 737, /* 73.7 MHz */ - 885, /* 88.5 MHz */ - 1032, /* 103.2 MHz */ - 1180, /* 118.0 MHz */ - 1327, /* 132.7 MHz */ - 1475, /* 147.5 MHz */ - 1622, /* 162.2 MHz */ - 1769, /* 176.9 MHz */ - 1917, /* 191.7 MHz */ - 2064, /* 206.4 MHz */ - 2212, /* 221.2 MHz */ - 2359, /* 235.9 MHz */ - 2507, /* 250.7 MHz */ - 2654, /* 265.4 MHz */ - 2802 /* 280.2 MHz */ +struct cpufreq_frequency_table sa11x0_freq_table[NR_FREQS+1] = { + { .frequency = 59000, /* 59.0 MHz */}, + { .frequency = 73700, /* 73.7 MHz */}, + { .frequency = 88500, /* 88.5 MHz */}, + { .frequency = 103200, /* 103.2 MHz */}, + { .frequency = 118000, /* 118.0 MHz */}, + { .frequency = 132700, /* 132.7 MHz */}, + { .frequency = 147500, /* 147.5 MHz */}, + { .frequency = 162200, /* 162.2 MHz */}, + { .frequency = 176900, /* 176.9 MHz */}, + { .frequency = 191700, /* 191.7 MHz */}, + { .frequency = 206400, /* 206.4 MHz */}, + { .frequency = 221200, /* 221.2 MHz */}, + { .frequency = 235900, /* 235.9 MHz */}, + { .frequency = 250700, /* 250.7 MHz */}, + { .frequency = 265400, /* 265.4 MHz */}, + { .frequency = 280200, /* 280.2 MHz */}, + { .frequency = CPUFREQ_TABLE_END, }, }; -/* rounds up(!) */ -unsigned int sa11x0_freq_to_ppcr(unsigned int khz) -{ - int i; - - khz /= 100; - - for (i = 0; i < NR_FREQS; i++) - if (cclk_frequency_100khz[i] >= khz) - break; - - return i; -} - -unsigned int sa11x0_ppcr_to_freq(unsigned int idx) -{ - unsigned int freq = 0; - if (idx < NR_FREQS) - freq = cclk_frequency_100khz[idx] * 100; - return freq; -} - - -/* make sure that only the "userspace" governor is run -- anything else wouldn't make sense on - * this platform, anyway. - */ -int sa11x0_verify_speed(struct cpufreq_policy *policy) -{ - unsigned int tmp; - if (policy->cpu) - return -EINVAL; - - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); - - /* make sure that at least one frequency is within the policy */ - tmp = cclk_frequency_100khz[sa11x0_freq_to_ppcr(policy->min)] * 100; - if (tmp > policy->max) - policy->max = tmp; - - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); - - return 0; -} - unsigned int sa11x0_getspeed(unsigned int cpu) { if (cpu) return 0; - return cclk_frequency_100khz[PPCR & 0xf] * 100; + return sa11x0_freq_table[PPCR & 0xf].frequency; } /* @@ -126,6 +89,17 @@ static void sa1100_power_off(void) PMCR = PMCR_SF; } +void sa11x0_restart(enum reboot_mode mode, const char *cmd) +{ + if (mode == REBOOT_SOFT) { + /* Jump into ROM at address 0 */ + soft_restart(0); + } else { + /* Use on-chip reset capability */ + RSRR = RSRR_SWR; + } +} + static void sa11x0_register_device(struct platform_device *dev, void *data) { int err; @@ -138,16 +112,8 @@ static void sa11x0_register_device(struct platform_device *dev, void *data) static struct resource sa11x0udc_resources[] = { - [0] = { - .start = __PREG(Ser0UDCCR), - .end = __PREG(Ser0UDCCR) + 0xffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_Ser0UDC, - .end = IRQ_Ser0UDC, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(__PREG(Ser0UDCCR), SZ_64K), + [1] = DEFINE_RES_IRQ(IRQ_Ser0UDC), }; static u64 sa11x0udc_dma_mask = 0xffffffffUL; @@ -164,16 +130,8 @@ static struct platform_device sa11x0udc_device = { }; static struct resource sa11x0uart1_resources[] = { - [0] = { - .start = __PREG(Ser1UTCR0), - .end = __PREG(Ser1UTCR0) + 0xffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_Ser1UART, - .end = IRQ_Ser1UART, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(__PREG(Ser1UTCR0), SZ_64K), + [1] = DEFINE_RES_IRQ(IRQ_Ser1UART), }; static struct platform_device sa11x0uart1_device = { @@ -184,16 +142,8 @@ static struct platform_device sa11x0uart1_device = { }; static struct resource sa11x0uart3_resources[] = { - [0] = { - .start = __PREG(Ser3UTCR0), - .end = __PREG(Ser3UTCR0) + 0xffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_Ser3UART, - .end = IRQ_Ser3UART, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(__PREG(Ser3UTCR0), SZ_64K), + [1] = DEFINE_RES_IRQ(IRQ_Ser3UART), }; static struct platform_device sa11x0uart3_device = { @@ -204,16 +154,9 @@ static struct platform_device sa11x0uart3_device = { }; static struct resource sa11x0mcp_resources[] = { - [0] = { - .start = __PREG(Ser4MCCR0), - .end = __PREG(Ser4MCCR0) + 0xffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_Ser4MCP, - .end = IRQ_Ser4MCP, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(__PREG(Ser4MCCR0), SZ_64K), + [1] = DEFINE_RES_MEM(__PREG(Ser4MCCR1), 4), + [2] = DEFINE_RES_IRQ(IRQ_Ser4MCP), }; static u64 sa11x0mcp_dma_mask = 0xffffffffUL; @@ -229,22 +172,24 @@ static struct platform_device sa11x0mcp_device = { .resource = sa11x0mcp_resources, }; +void __init sa11x0_ppc_configure_mcp(void) +{ + /* Setup the PPC unit for the MCP */ + PPDR &= ~PPC_RXD4; + PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; + PSDR |= PPC_RXD4; + PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); + PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); +} + void sa11x0_register_mcp(struct mcp_plat_data *data) { sa11x0_register_device(&sa11x0mcp_device, data); } static struct resource sa11x0ssp_resources[] = { - [0] = { - .start = 0x80070000, - .end = 0x8007ffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_Ser4SSP, - .end = IRQ_Ser4SSP, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(0x80070000, SZ_64K), + [1] = DEFINE_RES_IRQ(IRQ_Ser4SSP), }; static u64 sa11x0ssp_dma_mask = 0xffffffffUL; @@ -261,16 +206,8 @@ static struct platform_device sa11x0ssp_device = { }; static struct resource sa11x0fb_resources[] = { - [0] = { - .start = 0xb0100000, - .end = 0xb010ffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_LCD, - .end = IRQ_LCD, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(0xb0100000, SZ_64K), + [1] = DEFINE_RES_IRQ(IRQ_LCD), }; static struct platform_device sa11x0fb_device = { @@ -283,6 +220,11 @@ static struct platform_device sa11x0fb_device = { .resource = sa11x0fb_resources, }; +void sa11x0_register_lcd(struct sa1100fb_mach_info *inf) +{ + sa11x0_register_device(&sa11x0fb_device, inf); +} + static struct platform_device sa11x0pcmcia_device = { .name = "sa11x0-pcmcia", .id = -1, @@ -303,23 +245,10 @@ void sa11x0_register_mtd(struct flash_platform_data *flash, } static struct resource sa11x0ir_resources[] = { - { - .start = __PREG(Ser2UTCR0), - .end = __PREG(Ser2UTCR0) + 0x24 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = __PREG(Ser2HSCR0), - .end = __PREG(Ser2HSCR0) + 0x1c - 1, - .flags = IORESOURCE_MEM, - }, { - .start = __PREG(Ser2HSCR2), - .end = __PREG(Ser2HSCR2) + 0x04 - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IRQ_Ser2ICP, - .end = IRQ_Ser2ICP, - .flags = IORESOURCE_IRQ, - } + DEFINE_RES_MEM(__PREG(Ser2UTCR0), 0x24), + DEFINE_RES_MEM(__PREG(Ser2HSCR0), 0x1c), + DEFINE_RES_MEM(__PREG(Ser2HSCR2), 0x04), + DEFINE_RES_IRQ(IRQ_Ser2ICP), }; static struct platform_device sa11x0ir_device = { @@ -334,9 +263,40 @@ void sa11x0_register_irda(struct irda_platform_data *irda) sa11x0_register_device(&sa11x0ir_device, irda); } +static struct resource sa1100_rtc_resources[] = { + DEFINE_RES_MEM(0x90010000, 0x40), + DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"), + DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"), +}; + static struct platform_device sa11x0rtc_device = { .name = "sa1100-rtc", .id = -1, + .num_resources = ARRAY_SIZE(sa1100_rtc_resources), + .resource = sa1100_rtc_resources, +}; + +static struct resource sa11x0dma_resources[] = { + DEFINE_RES_MEM(DMA_PHYS, DMA_SIZE), + DEFINE_RES_IRQ(IRQ_DMA0), + DEFINE_RES_IRQ(IRQ_DMA1), + DEFINE_RES_IRQ(IRQ_DMA2), + DEFINE_RES_IRQ(IRQ_DMA3), + DEFINE_RES_IRQ(IRQ_DMA4), + DEFINE_RES_IRQ(IRQ_DMA5), +}; + +static u64 sa11x0dma_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device sa11x0dma_device = { + .name = "sa11x0-dma", + .id = -1, + .dev = { + .dma_mask = &sa11x0dma_dma_mask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(sa11x0dma_resources), + .resource = sa11x0dma_resources, }; static struct platform_device *sa11x0_devices[] __initdata = { @@ -345,8 +305,8 @@ static struct platform_device *sa11x0_devices[] __initdata = { &sa11x0uart3_device, &sa11x0ssp_device, &sa11x0pcmcia_device, - &sa11x0fb_device, &sa11x0rtc_device, + &sa11x0dma_device, }; static int __init sa1100_init(void) @@ -357,12 +317,10 @@ static int __init sa1100_init(void) arch_initcall(sa1100_init); -void (*sa1100fb_backlight_power)(int on); -void (*sa1100fb_lcd_power)(int on); - -EXPORT_SYMBOL(sa1100fb_backlight_power); -EXPORT_SYMBOL(sa1100fb_lcd_power); - +void __init sa11x0_init_late(void) +{ + sa11x0_pm_init(); +} /* * Common I/O mapping: @@ -417,7 +375,7 @@ void __init sa1100_map_io(void) * the MBGNT signal false to ensure the SA1111 doesn't own the * SDRAM bus. */ -void __init sa1110_mb_disable(void) +void sa1110_mb_disable(void) { unsigned long flags; @@ -436,7 +394,7 @@ void __init sa1110_mb_disable(void) * If the system is going to use the SA-1111 DMA engines, set up * the memory bus request/grant pins. */ -void __devinit sa1110_mb_enable(void) +void sa1110_mb_enable(void) { unsigned long flags; diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h index b7a9a601c2d..0d92e119b36 100644 --- a/arch/arm/mach-sa1100/generic.h +++ b/arch/arm/mach-sa1100/generic.h @@ -3,30 +3,25 @@ * * Author: Nicolas Pitre */ +#include <linux/cpufreq.h> +#include <linux/reboot.h> -struct sys_timer; - -extern struct sys_timer sa1100_timer; +extern void sa1100_timer_init(void); extern void __init sa1100_map_io(void); extern void __init sa1100_init_irq(void); extern void __init sa1100_init_gpio(void); +extern void sa11x0_restart(enum reboot_mode, const char *); +extern void sa11x0_init_late(void); #define SET_BANK(__nr,__start,__size) \ mi->bank[__nr].start = (__start), \ mi->bank[__nr].size = (__size) -extern void (*sa1100fb_backlight_power)(int on); -extern void (*sa1100fb_lcd_power)(int on); - extern void sa1110_mb_enable(void); extern void sa1110_mb_disable(void); -struct cpufreq_policy; - -extern unsigned int sa11x0_freq_to_ppcr(unsigned int khz); -extern int sa11x0_verify_speed(struct cpufreq_policy *policy); +extern struct cpufreq_frequency_table sa11x0_freq_table[]; extern unsigned int sa11x0_getspeed(unsigned int cpu); -extern unsigned int sa11x0_ppcr_to_freq(unsigned int idx); struct flash_platform_data; struct resource; @@ -38,4 +33,14 @@ struct irda_platform_data; void sa11x0_register_irda(struct irda_platform_data *irda); struct mcp_plat_data; +void sa11x0_ppc_configure_mcp(void); void sa11x0_register_mcp(struct mcp_plat_data *data); + +struct sa1100fb_mach_info; +void sa11x0_register_lcd(struct sa1100fb_mach_info *inf); + +#ifdef CONFIG_PM +int sa11x0_pm_init(void); +#else +static inline int sa11x0_pm_init(void) { return 0; } +#endif diff --git a/arch/arm/mach-sa1100/gpio.c b/arch/arm/mach-sa1100/gpio.c deleted file mode 100644 index 0d3829a8c2c..00000000000 --- a/arch/arm/mach-sa1100/gpio.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/gpio.c - * - * Generic SA-1100 GPIO handling - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/module.h> - -#include <asm/gpio.h> -#include <mach/hardware.h> -#include "generic.h" - -static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - return GPLR & GPIO_GPIO(offset); -} - -static void sa1100_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (value) - GPSR = GPIO_GPIO(offset); - else - GPCR = GPIO_GPIO(offset); -} - -static int sa1100_direction_input(struct gpio_chip *chip, unsigned offset) -{ - unsigned long flags; - - local_irq_save(flags); - GPDR &= ~GPIO_GPIO(offset); - local_irq_restore(flags); - return 0; -} - -static int sa1100_direction_output(struct gpio_chip *chip, unsigned offset, int value) -{ - unsigned long flags; - - local_irq_save(flags); - sa1100_gpio_set(chip, offset, value); - GPDR |= GPIO_GPIO(offset); - local_irq_restore(flags); - return 0; -} - -static struct gpio_chip sa1100_gpio_chip = { - .label = "gpio", - .direction_input = sa1100_direction_input, - .direction_output = sa1100_direction_output, - .set = sa1100_gpio_set, - .get = sa1100_gpio_get, - .base = 0, - .ngpio = GPIO_MAX + 1, -}; - -void __init sa1100_init_gpio(void) -{ - gpiochip_add(&sa1100_gpio_chip); -} diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c index 03d7376cf8a..3c43219bc88 100644 --- a/arch/arm/mach-sa1100/h3100.c +++ b/arch/arm/mach-sa1100/h3100.c @@ -14,35 +14,73 @@ #include <linux/kernel.h> #include <linux/gpio.h> +#include <video/sa1100fb.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/irda.h> #include <mach/h3xxx.h> +#include <mach/irqs.h> #include "generic.h" /* * helper for sa1100fb */ +static struct gpio h3100_lcd_gpio[] = { + { H3100_GPIO_LCD_3V_ON, GPIOF_OUT_INIT_LOW, "LCD 3V" }, + { H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD ON" }, +}; + +static bool h3100_lcd_request(void) +{ + static bool h3100_lcd_ok; + int rc; + + if (h3100_lcd_ok) + return true; + + rc = gpio_request_array(h3100_lcd_gpio, ARRAY_SIZE(h3100_lcd_gpio)); + if (rc) + pr_err("%s: can't request GPIOs\n", __func__); + else + h3100_lcd_ok = true; + + return h3100_lcd_ok; +} + static void h3100_lcd_power(int enable) { - if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) { - gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); - gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); - gpio_free(H3XXX_EGPIO_LCD_ON); - } else { - pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); - } + if (!h3100_lcd_request()) + return; + + gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); + gpio_set_value(H3XXX_EGPIO_LCD_ON, enable); } +static struct sa1100fb_mach_info h3100_lcd_info = { + .pixclock = 406977, .bpp = 4, + .xres = 320, .yres = 240, + + .hsync_len = 26, .vsync_len = 41, + .left_margin = 4, .upper_margin = 0, + .right_margin = 4, .lower_margin = 0, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + .cmap_greyscale = 1, + .cmap_inverse = 1, + + .lccr0 = LCCR0_Mono | LCCR0_4PixMono | LCCR0_Sngl | LCCR0_Pas, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + + .lcd_power = h3100_lcd_power, +}; static void __init h3100_map_io(void) { h3xxx_map_io(); - sa1100fb_lcd_power = h3100_lcd_power; - /* Older bootldrs put GPIO2-9 in alternate mode on the assumption that they are used for video */ GAFR &= ~0x000001fb; @@ -51,6 +89,11 @@ static void __init h3100_map_io(void) /* * This turns the IRDA power on or off on the Compaq H3100 */ +static struct gpio h3100_irda_gpio[] = { + { H3100_GPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" }, + { H3100_GPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" }, +}; + static int h3100_irda_set_power(struct device *dev, unsigned int state) { gpio_set_value(H3100_GPIO_IR_ON, state); @@ -62,32 +105,39 @@ static void h3100_irda_set_speed(struct device *dev, unsigned int speed) gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); } +static int h3100_irda_startup(struct device *dev) +{ + return gpio_request_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); +} + +static void h3100_irda_shutdown(struct device *dev) +{ + return gpio_free_array(h3100_irda_gpio, sizeof(h3100_irda_gpio)); +} + static struct irda_platform_data h3100_irda_data = { .set_power = h3100_irda_set_power, .set_speed = h3100_irda_set_speed, -}; - -static struct gpio_default_state h3100_default_gpio[] = { - { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" }, - { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" }, - { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, - { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, - { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, - { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" }, + .startup = h3100_irda_startup, + .shutdown = h3100_irda_shutdown, }; static void __init h3100_mach_init(void) { - h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio)); h3xxx_mach_init(); + + sa11x0_register_lcd(&h3100_lcd_info); sa11x0_register_irda(&h3100_irda_data); } MACHINE_START(H3100, "Compaq iPAQ H3100") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = h3100_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = h3100_mach_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c index 965f64a836f..5be54c214c7 100644 --- a/arch/arm/mach-sa1100/h3600.c +++ b/arch/arm/mach-sa1100/h3600.c @@ -14,58 +14,94 @@ #include <linux/kernel.h> #include <linux/gpio.h> +#include <video/sa1100fb.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/irda.h> #include <mach/h3xxx.h> +#include <mach/irqs.h> #include "generic.h" /* * helper for sa1100fb */ +static struct gpio h3600_lcd_gpio[] = { + { H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD power" }, + { H3600_EGPIO_LCD_PCI, GPIOF_OUT_INIT_LOW, "LCD control" }, + { H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW, "LCD 5v" }, + { H3600_EGPIO_LVDD_ON, GPIOF_OUT_INIT_LOW, "LCD 9v/-6.5v" }, +}; + +static bool h3600_lcd_request(void) +{ + static bool h3600_lcd_ok; + int rc; + + if (h3600_lcd_ok) + return true; + + rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio)); + if (rc) + pr_err("%s: can't request GPIOs\n", __func__); + else + h3600_lcd_ok = true; + + return h3600_lcd_ok; +} + static void h3600_lcd_power(int enable) { - if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power")) { - pr_err("%s: can't request H3XXX_EGPIO_LCD_ON\n", __func__); - goto err1; - } - if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control")) { - pr_err("%s: can't request H3XXX_EGPIO_LCD_PCI\n", __func__); - goto err2; - } - if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v")) { - pr_err("%s: can't request H3XXX_EGPIO_LCD_5V_ON\n", __func__); - goto err3; - } - if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v")) { - pr_err("%s: can't request H3600_EGPIO_LVDD_ON\n", __func__); - goto err4; - } + if (!h3600_lcd_request()) + return; gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); gpio_direction_output(H3600_EGPIO_LCD_PCI, enable); gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable); gpio_direction_output(H3600_EGPIO_LVDD_ON, enable); - - gpio_free(H3600_EGPIO_LVDD_ON); -err4: gpio_free(H3600_EGPIO_LCD_5V_ON); -err3: gpio_free(H3600_EGPIO_LCD_PCI); -err2: gpio_free(H3XXX_EGPIO_LCD_ON); -err1: return; } +static const struct sa1100fb_rgb h3600_rgb_16 = { + .red = { .offset = 12, .length = 4, }, + .green = { .offset = 7, .length = 4, }, + .blue = { .offset = 1, .length = 4, }, + .transp = { .offset = 0, .length = 0, }, +}; + +static struct sa1100fb_mach_info h3600_lcd_info = { + .pixclock = 174757, .bpp = 16, + .xres = 320, .yres = 240, + + .hsync_len = 3, .vsync_len = 3, + .left_margin = 12, .upper_margin = 10, + .right_margin = 17, .lower_margin = 1, + + .cmap_static = 1, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + + .rgb[RGB_16] = &h3600_rgb_16, + + .lcd_power = h3600_lcd_power, +}; + + static void __init h3600_map_io(void) { h3xxx_map_io(); - - sa1100fb_lcd_power = h3600_lcd_power; } /* * This turns the IRDA power on or off on the Compaq H3600 */ +static struct gpio h3600_irda_gpio[] = { + { H3600_EGPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" }, + { H3600_EGPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" }, +}; + static int h3600_irda_set_power(struct device *dev, unsigned int state) { gpio_set_value(H3600_EGPIO_IR_ON, state); @@ -79,29 +115,12 @@ static void h3600_irda_set_speed(struct device *dev, unsigned int speed) static int h3600_irda_startup(struct device *dev) { - int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power"); - if (err) - goto err1; - err = gpio_direction_output(H3600_EGPIO_IR_ON, 0); - if (err) - goto err2; - err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel"); - if (err) - goto err2; - err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0); - if (err) - goto err3; - return 0; - -err3: gpio_free(H3600_EGPIO_IR_FSEL); -err2: gpio_free(H3600_EGPIO_IR_ON); -err1: return err; + return gpio_request_array(h3600_irda_gpio, sizeof(h3600_irda_gpio)); } static void h3600_irda_shutdown(struct device *dev) { - gpio_free(H3600_EGPIO_IR_ON); - gpio_free(H3600_EGPIO_IR_FSEL); + return gpio_free_array(h3600_irda_gpio, sizeof(h3600_irda_gpio)); } static struct irda_platform_data h3600_irda_data = { @@ -111,24 +130,22 @@ static struct irda_platform_data h3600_irda_data = { .shutdown = h3600_irda_shutdown, }; -static struct gpio_default_state h3600_default_gpio[] = { - { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, - { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, - { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, -}; - static void __init h3600_mach_init(void) { - h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio)); h3xxx_mach_init(); + + sa11x0_register_lcd(&h3600_lcd_info); sa11x0_register_irda(&h3600_irda_data); } MACHINE_START(H3600, "Compaq iPAQ H3600") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = h3600_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = h3600_mach_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/h3xxx.c b/arch/arm/mach-sa1100/h3xxx.c index b0784c974c2..c79bf467fb7 100644 --- a/arch/arm/mach-sa1100/h3xxx.c +++ b/arch/arm/mach-sa1100/h3xxx.c @@ -17,48 +17,17 @@ #include <linux/mfd/htc-egpio.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/serial_core.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> #include <mach/h3xxx.h> #include "generic.h" -void h3xxx_init_gpio(struct gpio_default_state *s, size_t n) -{ - while (n--) { - const char *name = s->name; - int err; - - if (!name) - name = "[init]"; - err = gpio_request(s->gpio, name); - if (err) { - printk(KERN_ERR "gpio%u: unable to request: %d\n", - s->gpio, err); - continue; - } - if (s->mode >= 0) { - err = gpio_direction_output(s->gpio, s->mode); - } else { - err = gpio_direction_input(s->gpio); - } - if (err) { - printk(KERN_ERR "gpio%u: unable to set direction: %d\n", - s->gpio, err); - continue; - } - if (!s->name) - gpio_free(s->gpio); - s++; - } -} - - /* * H3xxx flash support */ @@ -109,19 +78,41 @@ static struct flash_platform_data h3xxx_flash_data = { .nr_parts = ARRAY_SIZE(h3xxx_partitions), }; -static struct resource h3xxx_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, -}; +static struct resource h3xxx_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); /* * H3xxx uart support */ +static struct gpio h3xxx_uart_gpio[] = { + { H3XXX_GPIO_COM_DCD, GPIOF_IN, "COM DCD" }, + { H3XXX_GPIO_COM_CTS, GPIOF_IN, "COM CTS" }, + { H3XXX_GPIO_COM_RTS, GPIOF_OUT_INIT_LOW, "COM RTS" }, +}; + +static bool h3xxx_uart_request_gpios(void) +{ + static bool h3xxx_uart_gpio_ok; + int rc; + + if (h3xxx_uart_gpio_ok) + return true; + + rc = gpio_request_array(h3xxx_uart_gpio, ARRAY_SIZE(h3xxx_uart_gpio)); + if (rc) + pr_err("h3xxx_uart_request_gpios: error %d\n", rc); + else + h3xxx_uart_gpio_ok = true; + + return h3xxx_uart_gpio_ok; +} + static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl) { if (port->mapbase == _Ser3UTCR0) { + if (!h3xxx_uart_request_gpios()) + return; gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS)); } } @@ -131,6 +122,8 @@ static u_int h3xxx_uart_get_mctrl(struct uart_port *port) u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR; if (port->mapbase == _Ser3UTCR0) { + if (!h3xxx_uart_request_gpios()) + return ret; /* * DCD and CTS bits are inverted in GPLR by RS232 transceiver */ @@ -186,11 +179,7 @@ static struct sa1100_port_fns h3xxx_port_fns __initdata = { */ static struct resource egpio_resources[] = { - [0] = { - .start = H3600_EGPIO_PHYS, - .end = H3600_EGPIO_PHYS + 0x4 - 1, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(H3600_EGPIO_PHYS, 0x4), }; static struct htc_egpio_chip egpio_chips[] = { diff --git a/arch/arm/mach-sa1100/hackkit.c b/arch/arm/mach-sa1100/hackkit.c index db5e434a17d..643d5f2d9af 100644 --- a/arch/arm/mach-sa1100/hackkit.c +++ b/arch/arm/mach-sa1100/hackkit.c @@ -18,22 +18,27 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/cpufreq.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/serial_core.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/tty.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/platform_device.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/setup.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <asm/mach/serial_sa1100.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> #include "generic.h" @@ -179,15 +184,40 @@ static struct flash_platform_data hackkit_flash_data = { .nr_parts = ARRAY_SIZE(hackkit_partitions), }; -static struct resource hackkit_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M, - .flags = IORESOURCE_MEM, +static struct resource hackkit_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); + +/* LEDs */ +struct gpio_led hackkit_gpio_leds[] = { + { + .name = "hackkit:red", + .default_trigger = "cpu0", + .gpio = 22, + }, + { + .name = "hackkit:green", + .default_trigger = "heartbeat", + .gpio = 23, + }, +}; + +static struct gpio_led_platform_data hackkit_gpio_led_info = { + .leds = hackkit_gpio_leds, + .num_leds = ARRAY_SIZE(hackkit_gpio_leds), +}; + +static struct platform_device hackkit_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &hackkit_gpio_led_info, + } }; static void __init hackkit_init(void) { sa11x0_register_mtd(&hackkit_flash_data, &hackkit_flash_resource, 1); + platform_device_register(&hackkit_leds); } /********************************************************************** @@ -195,9 +225,12 @@ static void __init hackkit_init(void) */ MACHINE_START(HACKKIT, "HackKit Cpu Board") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = hackkit_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = hackkit_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/include/mach/SA-1100.h b/arch/arm/mach-sa1100/include/mach/SA-1100.h index 4f7ea012e1e..0ac6cc08a19 100644 --- a/arch/arm/mach-sa1100/include/mach/SA-1100.h +++ b/arch/arm/mach-sa1100/include/mach/SA-1100.h @@ -830,14 +830,14 @@ * (read/write). */ -#define OSMR0 __REG(0x90000000) /* OS timer Match Reg. 0 */ -#define OSMR1 __REG(0x90000004) /* OS timer Match Reg. 1 */ -#define OSMR2 __REG(0x90000008) /* OS timer Match Reg. 2 */ -#define OSMR3 __REG(0x9000000c) /* OS timer Match Reg. 3 */ -#define OSCR __REG(0x90000010) /* OS timer Counter Reg. */ -#define OSSR __REG(0x90000014 ) /* OS timer Status Reg. */ -#define OWER __REG(0x90000018 ) /* OS timer Watch-dog Enable Reg. */ -#define OIER __REG(0x9000001C ) /* OS timer Interrupt Enable Reg. */ +#define OSMR0 io_p2v(0x90000000) /* OS timer Match Reg. 0 */ +#define OSMR1 io_p2v(0x90000004) /* OS timer Match Reg. 1 */ +#define OSMR2 io_p2v(0x90000008) /* OS timer Match Reg. 2 */ +#define OSMR3 io_p2v(0x9000000c) /* OS timer Match Reg. 3 */ +#define OSCR io_p2v(0x90000010) /* OS timer Counter Reg. */ +#define OSSR io_p2v(0x90000014) /* OS timer Status Reg. */ +#define OWER io_p2v(0x90000018) /* OS timer Watch-dog Enable Reg. */ +#define OIER io_p2v(0x9000001C) /* OS timer Interrupt Enable Reg. */ #define OSSR_M(Nb) /* Match detected [0..3] */ \ (0x00000001 << (Nb)) @@ -1590,224 +1590,9 @@ /* * Direct Memory Access (DMA) control registers - * - * Registers - * DDAR0 Direct Memory Access (DMA) Device Address Register - * channel 0 (read/write). - * DCSR0 Direct Memory Access (DMA) Control and Status - * Register channel 0 (read/write). - * DBSA0 Direct Memory Access (DMA) Buffer Start address - * register A channel 0 (read/write). - * DBTA0 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 0 (read/write). - * DBSB0 Direct Memory Access (DMA) Buffer Start address - * register B channel 0 (read/write). - * DBTB0 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 0 (read/write). - * - * DDAR1 Direct Memory Access (DMA) Device Address Register - * channel 1 (read/write). - * DCSR1 Direct Memory Access (DMA) Control and Status - * Register channel 1 (read/write). - * DBSA1 Direct Memory Access (DMA) Buffer Start address - * register A channel 1 (read/write). - * DBTA1 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 1 (read/write). - * DBSB1 Direct Memory Access (DMA) Buffer Start address - * register B channel 1 (read/write). - * DBTB1 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 1 (read/write). - * - * DDAR2 Direct Memory Access (DMA) Device Address Register - * channel 2 (read/write). - * DCSR2 Direct Memory Access (DMA) Control and Status - * Register channel 2 (read/write). - * DBSA2 Direct Memory Access (DMA) Buffer Start address - * register A channel 2 (read/write). - * DBTA2 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 2 (read/write). - * DBSB2 Direct Memory Access (DMA) Buffer Start address - * register B channel 2 (read/write). - * DBTB2 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 2 (read/write). - * - * DDAR3 Direct Memory Access (DMA) Device Address Register - * channel 3 (read/write). - * DCSR3 Direct Memory Access (DMA) Control and Status - * Register channel 3 (read/write). - * DBSA3 Direct Memory Access (DMA) Buffer Start address - * register A channel 3 (read/write). - * DBTA3 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 3 (read/write). - * DBSB3 Direct Memory Access (DMA) Buffer Start address - * register B channel 3 (read/write). - * DBTB3 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 3 (read/write). - * - * DDAR4 Direct Memory Access (DMA) Device Address Register - * channel 4 (read/write). - * DCSR4 Direct Memory Access (DMA) Control and Status - * Register channel 4 (read/write). - * DBSA4 Direct Memory Access (DMA) Buffer Start address - * register A channel 4 (read/write). - * DBTA4 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 4 (read/write). - * DBSB4 Direct Memory Access (DMA) Buffer Start address - * register B channel 4 (read/write). - * DBTB4 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 4 (read/write). - * - * DDAR5 Direct Memory Access (DMA) Device Address Register - * channel 5 (read/write). - * DCSR5 Direct Memory Access (DMA) Control and Status - * Register channel 5 (read/write). - * DBSA5 Direct Memory Access (DMA) Buffer Start address - * register A channel 5 (read/write). - * DBTA5 Direct Memory Access (DMA) Buffer Transfer count - * register A channel 5 (read/write). - * DBSB5 Direct Memory Access (DMA) Buffer Start address - * register B channel 5 (read/write). - * DBTB5 Direct Memory Access (DMA) Buffer Transfer count - * register B channel 5 (read/write). */ - -#define DMASp 0x00000020 /* DMA control reg. Space [byte] */ - -#define DDAR(Nb) __REG(0xB0000000 + (Nb)*DMASp) /* DMA Device Address Reg. channel [0..5] */ -#define SetDCSR(Nb) __REG(0xB0000004 + (Nb)*DMASp) /* Set DMA Control & Status Reg. channel [0..5] (write) */ -#define ClrDCSR(Nb) __REG(0xB0000008 + (Nb)*DMASp) /* Clear DMA Control & Status Reg. channel [0..5] (write) */ -#define RdDCSR(Nb) __REG(0xB000000C + (Nb)*DMASp) /* Read DMA Control & Status Reg. channel [0..5] (read) */ -#define DBSA(Nb) __REG(0xB0000010 + (Nb)*DMASp) /* DMA Buffer Start address reg. A channel [0..5] */ -#define DBTA(Nb) __REG(0xB0000014 + (Nb)*DMASp) /* DMA Buffer Transfer count reg. A channel [0..5] */ -#define DBSB(Nb) __REG(0xB0000018 + (Nb)*DMASp) /* DMA Buffer Start address reg. B channel [0..5] */ -#define DBTB(Nb) __REG(0xB000001C + (Nb)*DMASp) /* DMA Buffer Transfer count reg. B channel [0..5] */ - -#define DDAR_RW 0x00000001 /* device data Read/Write */ -#define DDAR_DevWr (DDAR_RW*0) /* Device data Write */ - /* (memory -> device) */ -#define DDAR_DevRd (DDAR_RW*1) /* Device data Read */ - /* (device -> memory) */ -#define DDAR_E 0x00000002 /* big/little Endian device */ -#define DDAR_LtlEnd (DDAR_E*0) /* Little Endian device */ -#define DDAR_BigEnd (DDAR_E*1) /* Big Endian device */ -#define DDAR_BS 0x00000004 /* device Burst Size */ -#define DDAR_Brst4 (DDAR_BS*0) /* Burst-of-4 device */ -#define DDAR_Brst8 (DDAR_BS*1) /* Burst-of-8 device */ -#define DDAR_DW 0x00000008 /* device Data Width */ -#define DDAR_8BitDev (DDAR_DW*0) /* 8-Bit Device */ -#define DDAR_16BitDev (DDAR_DW*1) /* 16-Bit Device */ -#define DDAR_DS Fld (4, 4) /* Device Select */ -#define DDAR_Ser0UDCTr /* Ser. port 0 UDC Transmit */ \ - (0x0 << FShft (DDAR_DS)) -#define DDAR_Ser0UDCRc /* Ser. port 0 UDC Receive */ \ - (0x1 << FShft (DDAR_DS)) -#define DDAR_Ser1SDLCTr /* Ser. port 1 SDLC Transmit */ \ - (0x2 << FShft (DDAR_DS)) -#define DDAR_Ser1SDLCRc /* Ser. port 1 SDLC Receive */ \ - (0x3 << FShft (DDAR_DS)) -#define DDAR_Ser1UARTTr /* Ser. port 1 UART Transmit */ \ - (0x4 << FShft (DDAR_DS)) -#define DDAR_Ser1UARTRc /* Ser. port 1 UART Receive */ \ - (0x5 << FShft (DDAR_DS)) -#define DDAR_Ser2ICPTr /* Ser. port 2 ICP Transmit */ \ - (0x6 << FShft (DDAR_DS)) -#define DDAR_Ser2ICPRc /* Ser. port 2 ICP Receive */ \ - (0x7 << FShft (DDAR_DS)) -#define DDAR_Ser3UARTTr /* Ser. port 3 UART Transmit */ \ - (0x8 << FShft (DDAR_DS)) -#define DDAR_Ser3UARTRc /* Ser. port 3 UART Receive */ \ - (0x9 << FShft (DDAR_DS)) -#define DDAR_Ser4MCP0Tr /* Ser. port 4 MCP 0 Transmit */ \ - /* (audio) */ \ - (0xA << FShft (DDAR_DS)) -#define DDAR_Ser4MCP0Rc /* Ser. port 4 MCP 0 Receive */ \ - /* (audio) */ \ - (0xB << FShft (DDAR_DS)) -#define DDAR_Ser4MCP1Tr /* Ser. port 4 MCP 1 Transmit */ \ - /* (telecom) */ \ - (0xC << FShft (DDAR_DS)) -#define DDAR_Ser4MCP1Rc /* Ser. port 4 MCP 1 Receive */ \ - /* (telecom) */ \ - (0xD << FShft (DDAR_DS)) -#define DDAR_Ser4SSPTr /* Ser. port 4 SSP Transmit */ \ - (0xE << FShft (DDAR_DS)) -#define DDAR_Ser4SSPRc /* Ser. port 4 SSP Receive */ \ - (0xF << FShft (DDAR_DS)) -#define DDAR_DA Fld (24, 8) /* Device Address */ -#define DDAR_DevAdd(Add) /* Device Address */ \ - (((Add) & 0xF0000000) | \ - (((Add) & 0X003FFFFC) << (FShft (DDAR_DA) - 2))) -#define DDAR_Ser0UDCWr /* Ser. port 0 UDC Write */ \ - (DDAR_DevWr + DDAR_Brst8 + DDAR_8BitDev + \ - DDAR_Ser0UDCTr + DDAR_DevAdd (__PREG(Ser0UDCDR))) -#define DDAR_Ser0UDCRd /* Ser. port 0 UDC Read */ \ - (DDAR_DevRd + DDAR_Brst8 + DDAR_8BitDev + \ - DDAR_Ser0UDCRc + DDAR_DevAdd (__PREG(Ser0UDCDR))) -#define DDAR_Ser1UARTWr /* Ser. port 1 UART Write */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser1UARTTr + DDAR_DevAdd (__PREG(Ser1UTDR))) -#define DDAR_Ser1UARTRd /* Ser. port 1 UART Read */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser1UARTRc + DDAR_DevAdd (__PREG(Ser1UTDR))) -#define DDAR_Ser1SDLCWr /* Ser. port 1 SDLC Write */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser1SDLCTr + DDAR_DevAdd (__PREG(Ser1SDDR))) -#define DDAR_Ser1SDLCRd /* Ser. port 1 SDLC Read */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser1SDLCRc + DDAR_DevAdd (__PREG(Ser1SDDR))) -#define DDAR_Ser2UARTWr /* Ser. port 2 UART Write */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser2ICPTr + DDAR_DevAdd (__PREG(Ser2UTDR))) -#define DDAR_Ser2UARTRd /* Ser. port 2 UART Read */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser2ICPRc + DDAR_DevAdd (__PREG(Ser2UTDR))) -#define DDAR_Ser2HSSPWr /* Ser. port 2 HSSP Write */ \ - (DDAR_DevWr + DDAR_Brst8 + DDAR_8BitDev + \ - DDAR_Ser2ICPTr + DDAR_DevAdd (__PREG(Ser2HSDR))) -#define DDAR_Ser2HSSPRd /* Ser. port 2 HSSP Read */ \ - (DDAR_DevRd + DDAR_Brst8 + DDAR_8BitDev + \ - DDAR_Ser2ICPRc + DDAR_DevAdd (__PREG(Ser2HSDR))) -#define DDAR_Ser3UARTWr /* Ser. port 3 UART Write */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser3UARTTr + DDAR_DevAdd (__PREG(Ser3UTDR))) -#define DDAR_Ser3UARTRd /* Ser. port 3 UART Read */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev + \ - DDAR_Ser3UARTRc + DDAR_DevAdd (__PREG(Ser3UTDR))) -#define DDAR_Ser4MCP0Wr /* Ser. port 4 MCP 0 Write (audio) */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4MCP0Tr + DDAR_DevAdd (__PREG(Ser4MCDR0))) -#define DDAR_Ser4MCP0Rd /* Ser. port 4 MCP 0 Read (audio) */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4MCP0Rc + DDAR_DevAdd (__PREG(Ser4MCDR0))) -#define DDAR_Ser4MCP1Wr /* Ser. port 4 MCP 1 Write */ \ - /* (telecom) */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4MCP1Tr + DDAR_DevAdd (__PREG(Ser4MCDR1))) -#define DDAR_Ser4MCP1Rd /* Ser. port 4 MCP 1 Read */ \ - /* (telecom) */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4MCP1Rc + DDAR_DevAdd (__PREG(Ser4MCDR1))) -#define DDAR_Ser4SSPWr /* Ser. port 4 SSP Write (16 bits) */ \ - (DDAR_DevWr + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4SSPTr + DDAR_DevAdd (__PREG(Ser4SSDR))) -#define DDAR_Ser4SSPRd /* Ser. port 4 SSP Read (16 bits) */ \ - (DDAR_DevRd + DDAR_Brst4 + DDAR_16BitDev + \ - DDAR_Ser4SSPRc + DDAR_DevAdd (__PREG(Ser4SSDR))) - -#define DCSR_RUN 0x00000001 /* DMA RUNing */ -#define DCSR_IE 0x00000002 /* DMA Interrupt Enable */ -#define DCSR_ERROR 0x00000004 /* DMA ERROR */ -#define DCSR_DONEA 0x00000008 /* DONE DMA transfer buffer A */ -#define DCSR_STRTA 0x00000010 /* STaRTed DMA transfer buffer A */ -#define DCSR_DONEB 0x00000020 /* DONE DMA transfer buffer B */ -#define DCSR_STRTB 0x00000040 /* STaRTed DMA transfer buffer B */ -#define DCSR_BIU 0x00000080 /* DMA Buffer In Use */ -#define DCSR_BufA (DCSR_BIU*0) /* DMA Buffer A in use */ -#define DCSR_BufB (DCSR_BIU*1) /* DMA Buffer B in use */ - -#define DBT_TC Fld (13, 0) /* Transfer Count */ -#define DBTA_TCA DBT_TC /* Transfer Count buffer A */ -#define DBTB_TCB DBT_TC /* Transfer Count buffer B */ +#define DMA_SIZE (6 * 0x20) +#define DMA_PHYS 0xb0000000 /* @@ -1903,16 +1688,6 @@ #define LCD_Int100_0A 0xF /* LCD Intensity = 100.0% = 1 */ /* (Alternative) */ -#define LCCR0 __REG(0xB0100000) /* LCD Control Reg. 0 */ -#define LCSR __REG(0xB0100004) /* LCD Status Reg. */ -#define DBAR1 __REG(0xB0100010) /* LCD DMA Base Address Reg. channel 1 */ -#define DCAR1 __REG(0xB0100014) /* LCD DMA Current Address Reg. channel 1 */ -#define DBAR2 __REG(0xB0100018) /* LCD DMA Base Address Reg. channel 2 */ -#define DCAR2 __REG(0xB010001C) /* LCD DMA Current Address Reg. channel 2 */ -#define LCCR1 __REG(0xB0100020) /* LCD Control Reg. 1 */ -#define LCCR2 __REG(0xB0100024) /* LCD Control Reg. 2 */ -#define LCCR3 __REG(0xB0100028) /* LCD Control Reg. 3 */ - #define LCCR0_LEN 0x00000001 /* LCD ENable */ #define LCCR0_CMS 0x00000002 /* Color/Monochrome display Select */ #define LCCR0_Color (LCCR0_CMS*0) /* Color display */ diff --git a/arch/arm/mach-sa1100/include/mach/SA-1111.h b/arch/arm/mach-sa1100/include/mach/SA-1111.h deleted file mode 100644 index c38f60915cb..00000000000 --- a/arch/arm/mach-sa1100/include/mach/SA-1111.h +++ /dev/null @@ -1,5 +0,0 @@ -/* - * Moved to new location - */ -#warning using old SA-1111.h - update to <asm/hardware/sa1111.h> -#include <asm/hardware/sa1111.h> diff --git a/arch/arm/mach-sa1100/include/mach/assabet.h b/arch/arm/mach-sa1100/include/mach/assabet.h index 28c2cf50c25..c23fcdb047a 100644 --- a/arch/arm/mach-sa1100/include/mach/assabet.h +++ b/arch/arm/mach-sa1100/include/mach/assabet.h @@ -39,8 +39,8 @@ extern unsigned long SCR_value; #define ASSABET_BCR_CF_PWR (1<<0) /* Compact Flash Power (1 = 3.3v, 0 = off) */ #define ASSABET_BCR_CF_RST (1<<1) /* Compact Flash Reset (1 = power up reset) */ -#define ASSABET_BCR_GFX_RST (1<<1) /* Graphics Accelerator Reset (0 = hold reset) */ -#define ASSABET_BCR_CODEC_RST (1<<2) /* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */ +#define ASSABET_BCR_NGFX_RST (1<<1) /* Graphics Accelerator Reset (0 = hold reset) */ +#define ASSABET_BCR_NCODEC_RST (1<<2) /* 0 = Holds UCB1300, ADI7171, and UDA1341 in reset */ #define ASSABET_BCR_IRDA_FSEL (1<<3) /* IRDA Frequency select (0 = SIR, 1 = MIR/ FIR) */ #define ASSABET_BCR_IRDA_MD0 (1<<4) /* Range/Power select */ #define ASSABET_BCR_IRDA_MD1 (1<<5) /* Range/Power select */ @@ -69,6 +69,8 @@ extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set); #define ASSABET_BCR_frob(x,y) do { } while (0) #endif +extern void assabet_uda1341_reset(int set); + #define ASSABET_BCR_set(x) ASSABET_BCR_frob((x), (x)) #define ASSABET_BCR_clear(x) ASSABET_BCR_frob((x), 0) @@ -85,21 +87,18 @@ extern void ASSABET_BCR_frob(unsigned int mask, unsigned int set); #define ASSABET_BSR_RAD_RI (1 << 31) -/* GPIOs for which the generic definition doesn't say much */ +/* GPIOs (bitmasks) for which the generic definition doesn't say much */ #define ASSABET_GPIO_RADIO_IRQ GPIO_GPIO (14) /* Radio interrupt request */ #define ASSABET_GPIO_PS_MODE_SYNC GPIO_GPIO (16) /* Power supply mode/sync */ #define ASSABET_GPIO_STEREO_64FS_CLK GPIO_GPIO (19) /* SSP UDA1341 clock input */ -#define ASSABET_GPIO_CF_IRQ GPIO_GPIO (21) /* CF IRQ */ -#define ASSABET_GPIO_CF_CD GPIO_GPIO (22) /* CF CD */ -#define ASSABET_GPIO_CF_BVD2 GPIO_GPIO (24) /* CF BVD */ #define ASSABET_GPIO_GFX_IRQ GPIO_GPIO (24) /* Graphics IRQ */ -#define ASSABET_GPIO_CF_BVD1 GPIO_GPIO (25) /* CF BVD */ #define ASSABET_GPIO_BATT_LOW GPIO_GPIO (26) /* Low battery */ #define ASSABET_GPIO_RCLK GPIO_GPIO (26) /* CCLK/2 */ -#define ASSABET_IRQ_GPIO_CF_IRQ IRQ_GPIO21 -#define ASSABET_IRQ_GPIO_CF_CD IRQ_GPIO22 -#define ASSABET_IRQ_GPIO_CF_BVD2 IRQ_GPIO24 -#define ASSABET_IRQ_GPIO_CF_BVD1 IRQ_GPIO25 +/* These are gpiolib GPIO numbers, not bitmasks */ +#define ASSABET_GPIO_CF_IRQ 21 /* CF IRQ */ +#define ASSABET_GPIO_CF_CD 22 /* CF CD */ +#define ASSABET_GPIO_CF_BVD2 24 /* CF BVD / IOSPKR */ +#define ASSABET_GPIO_CF_BVD1 25 /* CF BVD / IOSTSCHG */ #endif diff --git a/arch/arm/mach-sa1100/include/mach/cerf.h b/arch/arm/mach-sa1100/include/mach/cerf.h index c3ac3d0f946..88fd9c006ce 100644 --- a/arch/arm/mach-sa1100/include/mach/cerf.h +++ b/arch/arm/mach-sa1100/include/mach/cerf.h @@ -14,15 +14,10 @@ #define CERF_ETH_IO 0xf0000000 #define CERF_ETH_IRQ IRQ_GPIO26 -#define CERF_GPIO_CF_BVD2 GPIO_GPIO (19) -#define CERF_GPIO_CF_BVD1 GPIO_GPIO (20) -#define CERF_GPIO_CF_RESET GPIO_GPIO (21) -#define CERF_GPIO_CF_IRQ GPIO_GPIO (22) -#define CERF_GPIO_CF_CD GPIO_GPIO (23) - -#define CERF_IRQ_GPIO_CF_BVD2 IRQ_GPIO19 -#define CERF_IRQ_GPIO_CF_BVD1 IRQ_GPIO20 -#define CERF_IRQ_GPIO_CF_IRQ IRQ_GPIO22 -#define CERF_IRQ_GPIO_CF_CD IRQ_GPIO23 +#define CERF_GPIO_CF_BVD2 19 +#define CERF_GPIO_CF_BVD1 20 +#define CERF_GPIO_CF_RESET 21 +#define CERF_GPIO_CF_IRQ 22 +#define CERF_GPIO_CF_CD 23 #endif // _INCLUDE_CERF_H_ diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index 52acda7061b..b478ca180c1 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -1,7 +1,7 @@ /* * arch/arm/mach-sa1100/include/mach/collie.h * - * This file contains the hardware specific definitions for Assabet + * This file contains the hardware specific definitions for Collie * Only include this file from SA1100-specific files. * * ChangeLog: @@ -13,6 +13,9 @@ #ifndef __ASM_ARCH_COLLIE_H #define __ASM_ARCH_COLLIE_H +#include "hardware.h" /* Gives GPIO_MAX */ + +extern void locomolcd_power(int on); #define COLLIE_SCOOP_GPIO_BASE (GPIO_MAX + 1) #define COLLIE_GPIO_CHARGE_ON (COLLIE_SCOOP_GPIO_BASE + 0) @@ -77,7 +80,7 @@ #define COLLIE_TC35143_GPIO_VERSION0 UCB_IO_0 #define COLLIE_TC35143_GPIO_TBL_CHK UCB_IO_1 #define COLLIE_TC35143_GPIO_VPEN_ON UCB_IO_2 -#define COLLIE_TC35143_GPIO_IR_ON UCB_IO_3 +#define COLLIE_GPIO_IR_ON (COLLIE_TC35143_GPIO_BASE + 3) #define COLLIE_TC35143_GPIO_AMP_ON UCB_IO_4 #define COLLIE_TC35143_GPIO_VERSION1 UCB_IO_5 #define COLLIE_TC35143_GPIO_FS8KLPF UCB_IO_5 diff --git a/arch/arm/mach-sa1100/include/mach/debug-macro.S b/arch/arm/mach-sa1100/include/mach/debug-macro.S index 0cd0fc9635b..530772d937a 100644 --- a/arch/arm/mach-sa1100/include/mach/debug-macro.S +++ b/arch/arm/mach-sa1100/include/mach/debug-macro.S @@ -12,7 +12,7 @@ */ #include <mach/hardware.h> - .macro addruart, rp, rv + .macro addruart, rp, rv, tmp mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? moveq \rp, #0x80000000 @ physical base address diff --git a/arch/arm/mach-sa1100/include/mach/dma.h b/arch/arm/mach-sa1100/include/mach/dma.h deleted file mode 100644 index dda1b351310..00000000000 --- a/arch/arm/mach-sa1100/include/mach/dma.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/dma.h - * - * Generic SA1100 DMA support - * - * Copyright (C) 2000 Nicolas Pitre - * - */ - -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#include "hardware.h" - - -/* - * The SA1100 has six internal DMA channels. - */ -#define SA1100_DMA_CHANNELS 6 - -/* - * Maximum physical DMA buffer size - */ -#define MAX_DMA_SIZE 0x1fff -#define CUT_DMA_SIZE 0x1000 - -/* - * All possible SA1100 devices a DMA channel can be attached to. - */ -typedef enum { - DMA_Ser0UDCWr = DDAR_Ser0UDCWr, /* Ser. port 0 UDC Write */ - DMA_Ser0UDCRd = DDAR_Ser0UDCRd, /* Ser. port 0 UDC Read */ - DMA_Ser1UARTWr = DDAR_Ser1UARTWr, /* Ser. port 1 UART Write */ - DMA_Ser1UARTRd = DDAR_Ser1UARTRd, /* Ser. port 1 UART Read */ - DMA_Ser1SDLCWr = DDAR_Ser1SDLCWr, /* Ser. port 1 SDLC Write */ - DMA_Ser1SDLCRd = DDAR_Ser1SDLCRd, /* Ser. port 1 SDLC Read */ - DMA_Ser2UARTWr = DDAR_Ser2UARTWr, /* Ser. port 2 UART Write */ - DMA_Ser2UARTRd = DDAR_Ser2UARTRd, /* Ser. port 2 UART Read */ - DMA_Ser2HSSPWr = DDAR_Ser2HSSPWr, /* Ser. port 2 HSSP Write */ - DMA_Ser2HSSPRd = DDAR_Ser2HSSPRd, /* Ser. port 2 HSSP Read */ - DMA_Ser3UARTWr = DDAR_Ser3UARTWr, /* Ser. port 3 UART Write */ - DMA_Ser3UARTRd = DDAR_Ser3UARTRd, /* Ser. port 3 UART Read */ - DMA_Ser4MCP0Wr = DDAR_Ser4MCP0Wr, /* Ser. port 4 MCP 0 Write (audio) */ - DMA_Ser4MCP0Rd = DDAR_Ser4MCP0Rd, /* Ser. port 4 MCP 0 Read (audio) */ - DMA_Ser4MCP1Wr = DDAR_Ser4MCP1Wr, /* Ser. port 4 MCP 1 Write */ - DMA_Ser4MCP1Rd = DDAR_Ser4MCP1Rd, /* Ser. port 4 MCP 1 Read */ - DMA_Ser4SSPWr = DDAR_Ser4SSPWr, /* Ser. port 4 SSP Write (16 bits) */ - DMA_Ser4SSPRd = DDAR_Ser4SSPRd /* Ser. port 4 SSP Read (16 bits) */ -} dma_device_t; - -typedef struct { - volatile u_long DDAR; - volatile u_long SetDCSR; - volatile u_long ClrDCSR; - volatile u_long RdDCSR; - volatile dma_addr_t DBSA; - volatile u_long DBTA; - volatile dma_addr_t DBSB; - volatile u_long DBTB; -} dma_regs_t; - -typedef void (*dma_callback_t)(void *data); - -/* - * DMA function prototypes - */ - -extern int sa1100_request_dma( dma_device_t device, const char *device_id, - dma_callback_t callback, void *data, - dma_regs_t **regs ); -extern void sa1100_free_dma( dma_regs_t *regs ); -extern int sa1100_start_dma( dma_regs_t *regs, dma_addr_t dma_ptr, u_int size ); -extern dma_addr_t sa1100_get_dma_pos(dma_regs_t *regs); -extern void sa1100_reset_dma(dma_regs_t *regs); - -/** - * sa1100_stop_dma - stop DMA in progress - * @regs: identifier for the channel to use - * - * This stops DMA without clearing buffer pointers. Unlike - * sa1100_clear_dma() this allows subsequent use of sa1100_resume_dma() - * or sa1100_get_dma_pos(). - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - **/ - -#define sa1100_stop_dma(regs) ((regs)->ClrDCSR = DCSR_IE|DCSR_RUN) - -/** - * sa1100_resume_dma - resume DMA on a stopped channel - * @regs: identifier for the channel to use - * - * This resumes DMA on a channel previously stopped with - * sa1100_stop_dma(). - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - **/ - -#define sa1100_resume_dma(regs) ((regs)->SetDCSR = DCSR_IE|DCSR_RUN) - -/** - * sa1100_clear_dma - clear DMA pointers - * @regs: identifier for the channel to use - * - * This clear any DMA state so the DMA engine is ready to restart - * with new buffers through sa1100_start_dma(). Any buffers in flight - * are discarded. - * - * The @regs identifier is provided by a successful call to - * sa1100_request_dma(). - **/ - -#define sa1100_clear_dma(regs) ((regs)->ClrDCSR = DCSR_IE|DCSR_RUN|DCSR_STRTA|DCSR_STRTB) - -#endif /* _ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-sa1100/include/mach/entry-macro.S b/arch/arm/mach-sa1100/include/mach/entry-macro.S index 6aa13c46c5d..8cf7630bf02 100644 --- a/arch/arm/mach-sa1100/include/mach/entry-macro.S +++ b/arch/arm/mach-sa1100/include/mach/entry-macro.S @@ -8,17 +8,11 @@ * warranty of any kind, whether express or implied. */ - .macro disable_fiq - .endm - .macro get_irqnr_preamble, base, tmp mov \base, #0xfa000000 @ ICIP = 0xfa050000 add \base, \base, #0x00050000 .endm - .macro arch_ret_to_user, tmp1, tmp2 - .endm - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \irqstat, [\base] @ get irqs ldr \irqnr, [\base, #4] @ ICMR = 0xfa050004 diff --git a/arch/arm/mach-sa1100/include/mach/generic.h b/arch/arm/mach-sa1100/include/mach/generic.h new file mode 100644 index 00000000000..665542e0c9e --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/generic.h @@ -0,0 +1 @@ +#include "../../generic.h" diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h deleted file mode 100644 index 7befc104e9a..00000000000 --- a/arch/arm/mach-sa1100/include/mach/gpio.h +++ /dev/null @@ -1,57 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/gpio.h - * - * SA1100 GPIO wrappers for arch-neutral GPIO calls - * - * Written by Philipp Zabel <philipp.zabel@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __ASM_ARCH_SA1100_GPIO_H -#define __ASM_ARCH_SA1100_GPIO_H - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm-generic/gpio.h> - -static inline int gpio_get_value(unsigned gpio) -{ - if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) - return GPLR & GPIO_GPIO(gpio); - else - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) - if (value) - GPSR = GPIO_GPIO(gpio); - else - GPCR = GPIO_GPIO(gpio); - else - __gpio_set_value(gpio, value); -} - -#define gpio_cansleep __gpio_cansleep - -#define gpio_to_irq(gpio) ((gpio < 11) ? (IRQ_GPIO0 + gpio) : \ - (IRQ_GPIO11 - 11 + gpio)) -#define irq_to_gpio(irq) ((irq < IRQ_GPIO11_27) ? (irq - IRQ_GPIO0) : \ - (irq - IRQ_GPIO11 + 11)) - -#endif diff --git a/arch/arm/mach-sa1100/include/mach/h3xxx.h b/arch/arm/mach-sa1100/include/mach/h3xxx.h index 7d9df16f04a..603d4343f7f 100644 --- a/arch/arm/mach-sa1100/include/mach/h3xxx.h +++ b/arch/arm/mach-sa1100/include/mach/h3xxx.h @@ -13,6 +13,8 @@ #ifndef _INCLUDE_H3XXX_H_ #define _INCLUDE_H3XXX_H_ +#include "hardware.h" /* Gives GPIO_MAX */ + /* Physical memory regions corresponding to chip selects */ #define H3600_EGPIO_PHYS (SA1100_CS5_PHYS + 0x01000000) #define H3600_BANK_2_PHYS SA1100_CS2_PHYS @@ -77,17 +79,6 @@ #define H3600_EGPIO_LCD_5V_ON (H3XXX_EGPIO_BASE + 14) /* enable 5V to LCD. active high. */ #define H3600_EGPIO_LVDD_ON (H3XXX_EGPIO_BASE + 15) /* enable 9V and -6.5V to LCD. */ -struct gpio_default_state { - int gpio; - int mode; - const char *name; -}; - -#define GPIO_MODE_IN -1 -#define GPIO_MODE_OUT0 0 -#define GPIO_MODE_OUT1 1 - -void h3xxx_init_gpio(struct gpio_default_state *s, size_t n); void __init h3xxx_map_io(void); void __init h3xxx_mach_init(void); diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h index 967ae768439..cbedd75a9d6 100644 --- a/arch/arm/mach-sa1100/include/mach/hardware.h +++ b/arch/arm/mach-sa1100/include/mach/hardware.h @@ -32,7 +32,7 @@ #define PIO_START 0x80000000 /* physical start of IO space */ #define io_p2v( x ) \ - ( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE ) + IOMEM( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE ) #define io_v2p( x ) \ ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START ) @@ -47,6 +47,8 @@ #define CPU_SA1110_ID (0x6901b110) #define CPU_SA1110_MASK (0xfffffff0) +#define __MREG(x) IOMEM(io_p2v(x)) + #ifndef __ASSEMBLY__ #include <asm/cputype.h> @@ -56,7 +58,7 @@ #define cpu_is_sa1100() ((read_cpuid_id() & CPU_SA1100_MASK) == CPU_SA1100_ID) #define cpu_is_sa1110() ((read_cpuid_id() & CPU_SA1110_MASK) == CPU_SA1110_ID) -# define __REG(x) (*((volatile unsigned long *)io_p2v(x))) +# define __REG(x) (*((volatile unsigned long __iomem *)io_p2v(x))) # define __PREG(x) (io_v2p((unsigned long)&(x))) static inline unsigned long get_clock_tick_rate(void) @@ -76,12 +78,4 @@ static inline unsigned long get_clock_tick_rate(void) #include "SA-1101.h" #endif -#if defined(CONFIG_ARCH_SA1100) && defined(CONFIG_PCI) -#define PCIBIOS_MIN_IO 0 -#define PCIBIOS_MIN_MEM 0 -#define pcibios_assign_all_busses() 1 -#define HAVE_ARCH_PCI_SET_DMA_MASK 1 -#endif - - #endif /* _ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-sa1100/include/mach/io.h b/arch/arm/mach-sa1100/include/mach/io.h deleted file mode 100644 index d8b43f3dcd2..00000000000 --- a/arch/arm/mach-sa1100/include/mach/io.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/io.h - * - * Copyright (C) 1997-1999 Russell King - * - * Modifications: - * 06-12-1997 RMK Created. - * 07-04-1999 RMK Major cleanup - */ -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * We don't actually have real ISA nor PCI buses, but there is so many - * drivers out there that might just work if we fake them... - */ -#define __io(a) __typesafe_io(a) -#define __mem_pci(a) (a) - -#endif diff --git a/arch/arm/mach-sa1100/include/mach/irqs.h b/arch/arm/mach-sa1100/include/mach/irqs.h index d18f21abef8..3790298b714 100644 --- a/arch/arm/mach-sa1100/include/mach/irqs.h +++ b/arch/arm/mach-sa1100/include/mach/irqs.h @@ -71,22 +71,19 @@ /* * Figure out the MAX IRQ number. * - * If we have an SA1111, the max IRQ is S1_BVD1_STSCHG+1. - * If we have an LoCoMo, the max IRQ is IRQ_BOARD_START + 4 - * Otherwise, we have the standard IRQs only. + * Neponset, SA1111 and UCB1x00 are sparse IRQ aware, so can dynamically + * allocate their IRQs above NR_IRQS. + * + * LoCoMo has 4 additional IRQs, but is not sparse IRQ aware, and so has + * to be included in the NR_IRQS calculation. */ -#ifdef CONFIG_SA1111 -#define NR_IRQS (IRQ_BOARD_END + 55) -#elif defined(CONFIG_SHARP_LOCOMO) -#define NR_IRQS (IRQ_BOARD_START + 4) +#ifdef CONFIG_SHARP_LOCOMO +#define NR_IRQS_LOCOMO 4 #else -#define NR_IRQS (IRQ_BOARD_START) +#define NR_IRQS_LOCOMO 0 #endif -/* - * Board specific IRQs. Define them here. - * Do not surround them with ifdefs. - */ -#define IRQ_NEPONSET_SMC9196 (IRQ_BOARD_START + 0) -#define IRQ_NEPONSET_USAR (IRQ_BOARD_START + 1) -#define IRQ_NEPONSET_SA1111 (IRQ_BOARD_START + 2) +#ifndef NR_IRQS +#define NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO) +#endif +#define SA1100_NR_IRQS (IRQ_BOARD_START + NR_IRQS_LOCOMO) diff --git a/arch/arm/mach-sa1100/include/mach/lart.h b/arch/arm/mach-sa1100/include/mach/lart.h deleted file mode 100644 index 8a5482d908d..00000000000 --- a/arch/arm/mach-sa1100/include/mach/lart.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef _INCLUDE_LART_H -#define _INCLUDE_LART_H - -#define LART_GPIO_ETH0 GPIO_GPIO0 -#define LART_IRQ_ETH0 IRQ_GPIO0 - -#define LART_GPIO_IDE GPIO_GPIO1 -#define LART_IRQ_IDE IRQ_GPIO1 - -#define LART_GPIO_UCB1200 GPIO_GPIO18 -#define LART_IRQ_UCB1200 IRQ_GPIO18 - -#endif diff --git a/arch/arm/mach-sa1100/include/mach/mcp.h b/arch/arm/mach-sa1100/include/mach/mcp.h deleted file mode 100644 index ed1a331508a..00000000000 --- a/arch/arm/mach-sa1100/include/mach/mcp.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/mcp.h - * - * Copyright (C) 2005 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_ARM_ARCH_MCP_H -#define __ASM_ARM_ARCH_MCP_H - -#include <linux/types.h> - -struct mcp_plat_data { - u32 mccr0; - u32 mccr1; - unsigned int sclk_rate; - int gpio_base; -}; - -#endif diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h index a44da6a2916..12d376795ab 100644 --- a/arch/arm/mach-sa1100/include/mach/memory.h +++ b/arch/arm/mach-sa1100/include/mach/memory.h @@ -14,20 +14,6 @@ */ #define PLAT_PHYS_OFFSET UL(0xc0000000) -#ifndef __ASSEMBLY__ - -#ifdef CONFIG_SA1111 -void sa1111_adjust_zones(unsigned long *size, unsigned long *holes); - -#define arch_adjust_zones(size, holes) \ - sa1111_adjust_zones(size, holes) - -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_1M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_1M) - -#endif -#endif - /* * Because of the wide memory address space between physical RAM banks on the * SA1100, it's much convenient to use Linux's SparseMEM support to implement diff --git a/arch/arm/mach-sa1100/include/mach/nanoengine.h b/arch/arm/mach-sa1100/include/mach/nanoengine.h index 14f8382d066..5ebd469a31f 100644 --- a/arch/arm/mach-sa1100/include/mach/nanoengine.h +++ b/arch/arm/mach-sa1100/include/mach/nanoengine.h @@ -16,12 +16,12 @@ #include <mach/irqs.h> -#define GPIO_PC_READY0 GPIO_GPIO(11) /* ready for socket 0 (active high)*/ -#define GPIO_PC_READY1 GPIO_GPIO(12) /* ready for socket 1 (active high) */ -#define GPIO_PC_CD0 GPIO_GPIO(13) /* detect for socket 0 (active low) */ -#define GPIO_PC_CD1 GPIO_GPIO(14) /* detect for socket 1 (active low) */ -#define GPIO_PC_RESET0 GPIO_GPIO(15) /* reset socket 0 */ -#define GPIO_PC_RESET1 GPIO_GPIO(16) /* reset socket 1 */ +#define GPIO_PC_READY0 11 /* ready for socket 0 (active high)*/ +#define GPIO_PC_READY1 12 /* ready for socket 1 (active high) */ +#define GPIO_PC_CD0 13 /* detect for socket 0 (active low) */ +#define GPIO_PC_CD1 14 /* detect for socket 1 (active low) */ +#define GPIO_PC_RESET0 15 /* reset socket 0 */ +#define GPIO_PC_RESET1 16 /* reset socket 1 */ #define NANOENGINE_IRQ_GPIO_PCI IRQ_GPIO0 #define NANOENGINE_IRQ_GPIO_PC_READY0 IRQ_GPIO11 diff --git a/arch/arm/mach-sa1100/include/mach/neponset.h b/arch/arm/mach-sa1100/include/mach/neponset.h index ffe2bc45eed..5516a52a329 100644 --- a/arch/arm/mach-sa1100/include/mach/neponset.h +++ b/arch/arm/mach-sa1100/include/mach/neponset.h @@ -15,54 +15,6 @@ /* * Neponset definitions: */ - -#define NEPONSET_CPLD_BASE (0x10000000) -#define Nep_p2v( x ) ((x) - NEPONSET_CPLD_BASE + 0xf3000000) -#define Nep_v2p( x ) ((x) - 0xf3000000 + NEPONSET_CPLD_BASE) - -#define _IRR 0x10000024 /* Interrupt Reason Register */ -#define _AUD_CTL 0x100000c0 /* Audio controls (RW) */ -#define _MDM_CTL_0 0x100000b0 /* Modem control 0 (RW) */ -#define _MDM_CTL_1 0x100000b4 /* Modem control 1 (RW) */ -#define _NCR_0 0x100000a0 /* Control Register (RW) */ -#define _KP_X_OUT 0x10000090 /* Keypad row write (RW) */ -#define _KP_Y_IN 0x10000080 /* Keypad column read (RO) */ -#define _SWPK 0x10000020 /* Switch pack (RO) */ -#define _WHOAMI 0x10000000 /* System ID Register (RO) */ - -#define _LEDS 0x10000010 /* LEDs [31:0] (WO) */ - -#define IRR (*((volatile u_char *) Nep_p2v(_IRR))) -#define AUD_CTL (*((volatile u_char *) Nep_p2v(_AUD_CTL))) -#define MDM_CTL_0 (*((volatile u_char *) Nep_p2v(_MDM_CTL_0))) -#define MDM_CTL_1 (*((volatile u_char *) Nep_p2v(_MDM_CTL_1))) -#define NCR_0 (*((volatile u_char *) Nep_p2v(_NCR_0))) -#define KP_X_OUT (*((volatile u_char *) Nep_p2v(_KP_X_OUT))) -#define KP_Y_IN (*((volatile u_char *) Nep_p2v(_KP_Y_IN))) -#define SWPK (*((volatile u_char *) Nep_p2v(_SWPK))) -#define WHOAMI (*((volatile u_char *) Nep_p2v(_WHOAMI))) - -#define LEDS (*((volatile Word *) Nep_p2v(_LEDS))) - -#define IRR_ETHERNET (1<<0) -#define IRR_USAR (1<<1) -#define IRR_SA1111 (1<<2) - -#define AUD_SEL_1341 (1<<0) -#define AUD_MUTE_1341 (1<<1) - -#define MDM_CTL0_RTS1 (1 << 0) -#define MDM_CTL0_DTR1 (1 << 1) -#define MDM_CTL0_RTS2 (1 << 2) -#define MDM_CTL0_DTR2 (1 << 3) - -#define MDM_CTL1_CTS1 (1 << 0) -#define MDM_CTL1_DSR1 (1 << 1) -#define MDM_CTL1_DCD1 (1 << 2) -#define MDM_CTL1_CTS2 (1 << 3) -#define MDM_CTL1_DSR2 (1 << 4) -#define MDM_CTL1_DCD2 (1 << 5) - #define NCR_GP01_OFF (1<<0) #define NCR_TP_PWR_EN (1<<1) #define NCR_MS_PWR_EN (1<<2) @@ -71,4 +23,8 @@ #define NCR_A0VPP (1<<5) #define NCR_A1VPP (1<<6) +void neponset_ncr_frob(unsigned int, unsigned int); +#define neponset_ncr_set(v) neponset_ncr_frob(0, v) +#define neponset_ncr_clear(v) neponset_ncr_frob(v, 0) + #endif diff --git a/arch/arm/mach-sa1100/include/mach/shannon.h b/arch/arm/mach-sa1100/include/mach/shannon.h index ec27d6e1214..fff39e02b49 100644 --- a/arch/arm/mach-sa1100/include/mach/shannon.h +++ b/arch/arm/mach-sa1100/include/mach/shannon.h @@ -21,16 +21,12 @@ #define SHANNON_GPIO_U3_RTS GPIO_GPIO (19) /* ?? */ #define SHANNON_GPIO_U3_CTS GPIO_GPIO (20) /* ?? */ #define SHANNON_GPIO_SENSE_12V GPIO_GPIO (21) /* Input, 12v flash unprotect detected */ -#define SHANNON_GPIO_DISP_EN GPIO_GPIO (22) /* out */ +#define SHANNON_GPIO_DISP_EN 22 /* out */ /* XXX GPIO 23 unaccounted for */ -#define SHANNON_GPIO_EJECT_0 GPIO_GPIO (24) /* in */ -#define SHANNON_IRQ_GPIO_EJECT_0 IRQ_GPIO24 -#define SHANNON_GPIO_EJECT_1 GPIO_GPIO (25) /* in */ -#define SHANNON_IRQ_GPIO_EJECT_1 IRQ_GPIO25 -#define SHANNON_GPIO_RDY_0 GPIO_GPIO (26) /* in */ -#define SHANNON_IRQ_GPIO_RDY_0 IRQ_GPIO26 -#define SHANNON_GPIO_RDY_1 GPIO_GPIO (27) /* in */ -#define SHANNON_IRQ_GPIO_RDY_1 IRQ_GPIO27 +#define SHANNON_GPIO_EJECT_0 24 /* in */ +#define SHANNON_GPIO_EJECT_1 25 /* in */ +#define SHANNON_GPIO_RDY_0 26 /* in */ +#define SHANNON_GPIO_RDY_1 27 /* in */ /* MCP UCB codec GPIO pins... */ diff --git a/arch/arm/mach-sa1100/include/mach/simpad.h b/arch/arm/mach-sa1100/include/mach/simpad.h index 9296c4513ce..ac2ea767215 100644 --- a/arch/arm/mach-sa1100/include/mach/simpad.h +++ b/arch/arm/mach-sa1100/include/mach/simpad.h @@ -39,41 +39,87 @@ /*--- PCMCIA ---*/ -#define GPIO_CF_CD GPIO_GPIO24 -#define GPIO_CF_IRQ GPIO_GPIO1 -#define IRQ_GPIO_CF_IRQ IRQ_GPIO1 -#define IRQ_GPIO_CF_CD IRQ_GPIO24 +#define GPIO_CF_CD 24 +#define GPIO_CF_IRQ 1 /*--- SmartCard ---*/ #define GPIO_SMART_CARD GPIO_GPIO10 #define IRQ_GPIO_SMARD_CARD IRQ_GPIO10 -// CS3 Latch is write only, a shadow is necessary - -#define CS3BUSTYPE unsigned volatile long -#define CS3_BASE 0xf1000000 - -#define VCC_5V_EN 0x0001 // For 5V PCMCIA -#define VCC_3V_EN 0x0002 // FOR 3.3V PCMCIA -#define EN1 0x0004 // This is only for EPROM's -#define EN0 0x0008 // Both should be enable for 3.3V or 5V -#define DISPLAY_ON 0x0010 -#define PCMCIA_BUFF_DIS 0x0020 -#define MQ_RESET 0x0040 -#define PCMCIA_RESET 0x0080 -#define DECT_POWER_ON 0x0100 -#define IRDA_SD 0x0200 // Shutdown for powersave -#define RS232_ON 0x0400 -#define SD_MEDIAQ 0x0800 // Shutdown for powersave -#define LED2_ON 0x1000 -#define IRDA_MODE 0x2000 // Fast/Slow IrDA mode -#define ENABLE_5V 0x4000 // Enable 5V circuit -#define RESET_SIMCARD 0x8000 - -#define RS232_ENABLE 0x0440 -#define PCMCIAMASK 0x402f - - +/*--- ucb1x00 GPIO ---*/ +#define SIMPAD_UCB1X00_GPIO_BASE (GPIO_MAX + 1) +#define SIMPAD_UCB1X00_GPIO_PROG1 (SIMPAD_UCB1X00_GPIO_BASE) +#define SIMPAD_UCB1X00_GPIO_PROG2 (SIMPAD_UCB1X00_GPIO_BASE + 1) +#define SIMPAD_UCB1X00_GPIO_UP (SIMPAD_UCB1X00_GPIO_BASE + 2) +#define SIMPAD_UCB1X00_GPIO_DOWN (SIMPAD_UCB1X00_GPIO_BASE + 3) +#define SIMPAD_UCB1X00_GPIO_LEFT (SIMPAD_UCB1X00_GPIO_BASE + 4) +#define SIMPAD_UCB1X00_GPIO_RIGHT (SIMPAD_UCB1X00_GPIO_BASE + 5) +#define SIMPAD_UCB1X00_GPIO_6 (SIMPAD_UCB1X00_GPIO_BASE + 6) +#define SIMPAD_UCB1X00_GPIO_7 (SIMPAD_UCB1X00_GPIO_BASE + 7) +#define SIMPAD_UCB1X00_GPIO_HEADSET (SIMPAD_UCB1X00_GPIO_BASE + 8) +#define SIMPAD_UCB1X00_GPIO_SPEAKER (SIMPAD_UCB1X00_GPIO_BASE + 9) + +/*--- CS3 Latch ---*/ +#define SIMPAD_CS3_GPIO_BASE (GPIO_MAX + 11) +#define SIMPAD_CS3_VCC_5V_EN (SIMPAD_CS3_GPIO_BASE) +#define SIMPAD_CS3_VCC_3V_EN (SIMPAD_CS3_GPIO_BASE + 1) +#define SIMPAD_CS3_EN1 (SIMPAD_CS3_GPIO_BASE + 2) +#define SIMPAD_CS3_EN0 (SIMPAD_CS3_GPIO_BASE + 3) +#define SIMPAD_CS3_DISPLAY_ON (SIMPAD_CS3_GPIO_BASE + 4) +#define SIMPAD_CS3_PCMCIA_BUFF_DIS (SIMPAD_CS3_GPIO_BASE + 5) +#define SIMPAD_CS3_MQ_RESET (SIMPAD_CS3_GPIO_BASE + 6) +#define SIMPAD_CS3_PCMCIA_RESET (SIMPAD_CS3_GPIO_BASE + 7) +#define SIMPAD_CS3_DECT_POWER_ON (SIMPAD_CS3_GPIO_BASE + 8) +#define SIMPAD_CS3_IRDA_SD (SIMPAD_CS3_GPIO_BASE + 9) +#define SIMPAD_CS3_RS232_ON (SIMPAD_CS3_GPIO_BASE + 10) +#define SIMPAD_CS3_SD_MEDIAQ (SIMPAD_CS3_GPIO_BASE + 11) +#define SIMPAD_CS3_LED2_ON (SIMPAD_CS3_GPIO_BASE + 12) +#define SIMPAD_CS3_IRDA_MODE (SIMPAD_CS3_GPIO_BASE + 13) +#define SIMPAD_CS3_ENABLE_5V (SIMPAD_CS3_GPIO_BASE + 14) +#define SIMPAD_CS3_RESET_SIMCARD (SIMPAD_CS3_GPIO_BASE + 15) + +#define SIMPAD_CS3_PCMCIA_BVD1 (SIMPAD_CS3_GPIO_BASE + 16) +#define SIMPAD_CS3_PCMCIA_BVD2 (SIMPAD_CS3_GPIO_BASE + 17) +#define SIMPAD_CS3_PCMCIA_VS1 (SIMPAD_CS3_GPIO_BASE + 18) +#define SIMPAD_CS3_PCMCIA_VS2 (SIMPAD_CS3_GPIO_BASE + 19) +#define SIMPAD_CS3_LOCK_IND (SIMPAD_CS3_GPIO_BASE + 20) +#define SIMPAD_CS3_CHARGING_STATE (SIMPAD_CS3_GPIO_BASE + 21) +#define SIMPAD_CS3_PCMCIA_SHORT (SIMPAD_CS3_GPIO_BASE + 22) +#define SIMPAD_CS3_GPIO_23 (SIMPAD_CS3_GPIO_BASE + 23) + +#define CS3_BASE IOMEM(0xf1000000) + +long simpad_get_cs3_ro(void); +long simpad_get_cs3_shadow(void); +void simpad_set_cs3_bit(int value); +void simpad_clear_cs3_bit(int value); + +#define VCC_5V_EN 0x0001 /* For 5V PCMCIA */ +#define VCC_3V_EN 0x0002 /* FOR 3.3V PCMCIA */ +#define EN1 0x0004 /* This is only for EPROM's */ +#define EN0 0x0008 /* Both should be enable for 3.3V or 5V */ +#define DISPLAY_ON 0x0010 +#define PCMCIA_BUFF_DIS 0x0020 +#define MQ_RESET 0x0040 +#define PCMCIA_RESET 0x0080 +#define DECT_POWER_ON 0x0100 +#define IRDA_SD 0x0200 /* Shutdown for powersave */ +#define RS232_ON 0x0400 +#define SD_MEDIAQ 0x0800 /* Shutdown for powersave */ +#define LED2_ON 0x1000 +#define IRDA_MODE 0x2000 /* Fast/Slow IrDA mode */ +#define ENABLE_5V 0x4000 /* Enable 5V circuit */ +#define RESET_SIMCARD 0x8000 + +#define PCMCIA_BVD1 0x01 +#define PCMCIA_BVD2 0x02 +#define PCMCIA_VS1 0x04 +#define PCMCIA_VS2 0x08 +#define LOCK_IND 0x10 +#define CHARGING_STATE 0x20 +#define PCMCIA_SHORT 0x40 + +/*--- Battery ---*/ struct simpad_battery { unsigned char ac_status; /* line connected yes/no */ unsigned char status; /* battery loading yes/no */ diff --git a/arch/arm/mach-sa1100/include/mach/system.h b/arch/arm/mach-sa1100/include/mach/system.h deleted file mode 100644 index ba9da9f7f18..00000000000 --- a/arch/arm/mach-sa1100/include/mach/system.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/system.h - * - * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net> - */ -#include <mach/hardware.h> - -static inline void arch_idle(void) -{ - cpu_do_idle(); -} - -static inline void arch_reset(char mode, const char *cmd) -{ - if (mode == 's') { - /* Jump into ROM at address 0 */ - cpu_reset(0); - } else { - /* Use on-chip reset capability */ - RSRR = RSRR_SWR; - } -} diff --git a/arch/arm/mach-sa1100/include/mach/timex.h b/arch/arm/mach-sa1100/include/mach/timex.h deleted file mode 100644 index 7a5d017b58b..00000000000 --- a/arch/arm/mach-sa1100/include/mach/timex.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/timex.h - * - * SA1100 architecture timex specifications - * - * Copyright (C) 1998 - */ - -/* - * SA1100 timer - */ -#define CLOCK_TICK_RATE 3686400 diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h index 6cb39ddde65..73093dc8982 100644 --- a/arch/arm/mach-sa1100/include/mach/uncompress.h +++ b/arch/arm/mach-sa1100/include/mach/uncompress.h @@ -8,6 +8,8 @@ #include "hardware.h" +#define IOMEM(x) (x) + /* * The following code assumes the serial port has already been * initialized by the bootloader. We search for the first enabled @@ -47,4 +49,3 @@ static inline void flush(void) * Nothing to do for these */ #define arch_decomp_setup() -#define arch_decomp_wdog() diff --git a/arch/arm/mach-sa1100/include/mach/vmalloc.h b/arch/arm/mach-sa1100/include/mach/vmalloc.h deleted file mode 100644 index b3d00239848..00000000000 --- a/arch/arm/mach-sa1100/include/mach/vmalloc.h +++ /dev/null @@ -1,4 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/vmalloc.h - */ -#define VMALLOC_END (0xe8000000UL) diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index 3d85dfad9c1..2124f1fc2fb 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -12,11 +12,13 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> +#include <linux/io.h> #include <linux/irq.h> #include <linux/ioport.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <mach/hardware.h> +#include <mach/irqs.h> #include <asm/mach/irq.h> #include "generic.h" @@ -221,11 +223,8 @@ static struct irq_chip sa1100_normal_chip = { .irq_set_wake = sa1100_set_wake, }; -static struct resource irq_resource = { - .name = "irqs", - .start = 0x90050000, - .end = 0x9005ffff, -}; +static struct resource irq_resource = + DEFINE_RES_MEM_NAMED(0x90050000, SZ_64K, "irqs"); static struct sa1100irq_state { unsigned int saved; @@ -234,7 +233,7 @@ static struct sa1100irq_state { unsigned int iccr; } sa1100irq_state; -static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state) +static int sa1100irq_suspend(void) { struct sa1100irq_state *st = &sa1100irq_state; @@ -264,7 +263,7 @@ static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state) return 0; } -static int sa1100irq_resume(struct sys_device *dev) +static void sa1100irq_resume(void) { struct sa1100irq_state *st = &sa1100irq_state; @@ -277,24 +276,17 @@ static int sa1100irq_resume(struct sys_device *dev) ICMR = st->icmr; } - return 0; } -static struct sysdev_class sa1100irq_sysclass = { - .name = "sa11x0-irq", +static struct syscore_ops sa1100irq_syscore_ops = { .suspend = sa1100irq_suspend, .resume = sa1100irq_resume, }; -static struct sys_device sa1100irq_device = { - .id = 0, - .cls = &sa1100irq_sysclass, -}; - static int __init sa1100irq_init_devicefs(void) { - sysdev_class_register(&sa1100irq_sysclass); - return sysdev_register(&sa1100irq_device); + register_syscore_ops(&sa1100irq_syscore_ops); + return 0; } device_initcall(sa1100irq_init_devicefs); @@ -323,28 +315,28 @@ void __init sa1100_init_irq(void) ICCR = 1; for (irq = 0; irq <= 10; irq++) { - set_irq_chip(irq, &sa1100_low_gpio_chip); - set_irq_handler(irq, handle_edge_irq); + irq_set_chip_and_handler(irq, &sa1100_low_gpio_chip, + handle_edge_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } for (irq = 12; irq <= 31; irq++) { - set_irq_chip(irq, &sa1100_normal_chip); - set_irq_handler(irq, handle_level_irq); + irq_set_chip_and_handler(irq, &sa1100_normal_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID); } for (irq = 32; irq <= 48; irq++) { - set_irq_chip(irq, &sa1100_high_gpio_chip); - set_irq_handler(irq, handle_edge_irq); + irq_set_chip_and_handler(irq, &sa1100_high_gpio_chip, + handle_edge_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } /* * Install handler for GPIO 11-27 edge detect interrupts */ - set_irq_chip(IRQ_GPIO11_27, &sa1100_normal_chip); - set_irq_chained_handler(IRQ_GPIO11_27, sa1100_high_gpio_handler); + irq_set_chip(IRQ_GPIO11_27, &sa1100_normal_chip); + irq_set_chained_handler(IRQ_GPIO11_27, sa1100_high_gpio_handler); sa1100_init_gpio(); } diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c index 491ac9f20fb..c0b1f5bafae 100644 --- a/arch/arm/mach-sa1100/jornada720.c +++ b/arch/arm/mach-sa1100/jornada720.c @@ -17,21 +17,23 @@ #include <linux/kernel.h> #include <linux/tty.h> #include <linux/delay.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <video/s1d13xxxfb.h> -#include <mach/hardware.h> #include <asm/hardware/sa1111.h> -#include <asm/irq.h> +#include <asm/page.h> #include <asm/mach-types.h> #include <asm/setup.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> + +#include <mach/hardware.h> +#include <mach/irqs.h> #include "generic.h" @@ -45,7 +47,7 @@ /* memory space (line 52 of HP's doc) */ #define SA1111REGSTART 0x40000000 -#define SA1111REGLEN 0x00001fff +#define SA1111REGLEN 0x00002000 #define EPSONREGSTART 0x48000000 #define EPSONREGLEN 0x00100000 #define EPSONFBSTART 0x48200000 @@ -173,16 +175,8 @@ static struct s1d13xxxfb_pdata s1d13xxxfb_data = { }; static struct resource s1d13xxxfb_resources[] = { - [0] = { - .start = EPSONFBSTART, - .end = EPSONFBSTART + EPSONFBLEN, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = EPSONREGSTART, - .end = EPSONREGSTART + EPSONREGLEN, - .flags = IORESOURCE_MEM, - } + [0] = DEFINE_RES_MEM(EPSONFBSTART, EPSONFBLEN), + [1] = DEFINE_RES_MEM(EPSONREGSTART, EPSONREGLEN), }; static struct platform_device s1d13xxxfb_device = { @@ -196,20 +190,12 @@ static struct platform_device s1d13xxxfb_device = { }; static struct resource sa1111_resources[] = { - [0] = { - .start = SA1111REGSTART, - .end = SA1111REGSTART + SA1111REGLEN, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_GPIO1, - .end = IRQ_GPIO1, - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(SA1111REGSTART, SA1111REGLEN), + [1] = DEFINE_RES_IRQ(IRQ_GPIO1), }; static struct sa1111_platform_data sa1111_info = { - .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; static u64 sa1111_dmamask = 0xffffffffUL; @@ -283,11 +269,6 @@ static struct map_desc jornada720_io_desc[] __initdata = { .pfn = __phys_to_pfn(EPSONFBSTART), .length = EPSONFBLEN, .type = MT_DEVICE - }, { /* SA-1111 */ - .virtual = 0xf4000000, - .pfn = __phys_to_pfn(SA1111REGSTART), - .length = SA1111REGLEN, - .type = MT_DEVICE } }; @@ -351,11 +332,8 @@ static struct flash_platform_data jornada720_flash_data = { .nr_parts = ARRAY_SIZE(jornada720_partitions), }; -static struct resource jornada720_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, -}; +static struct resource jornada720_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); static void __init jornada720_mach_init(void) { @@ -364,9 +342,15 @@ static void __init jornada720_mach_init(void) MACHINE_START(JORNADA720, "HP Jornada 720") /* Maintainer: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> */ - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = jornada720_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = jornada720_mach_init, + .init_late = sa11x0_init_late, +#ifdef CONFIG_SA1111 + .dma_zone_size = SZ_1M, +#endif + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index 9d490c66891..b143c465934 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/sched.h> +#include <linux/io.h> #include <mach/hardware.h> #include <mach/jornada720.h> @@ -29,7 +30,7 @@ static unsigned long jornada_ssp_flags; /** * jornada_ssp_reverse - reverses input byte * - * we need to reverse all data we recieve from the mcu due to its physical location + * we need to reverse all data we receive from the mcu due to its physical location * returns : 01110111 -> 11101110 */ u8 inline jornada_ssp_reverse(u8 byte) @@ -129,7 +130,7 @@ void jornada_ssp_end(void) }; EXPORT_SYMBOL(jornada_ssp_end); -static int __devinit jornada_ssp_probe(struct platform_device *dev) +static int jornada_ssp_probe(struct platform_device *dev) { int ret; @@ -179,7 +180,7 @@ static int __devinit jornada_ssp_probe(struct platform_device *dev) static int jornada_ssp_remove(struct platform_device *dev) { - /* Note that this doesnt actually remove the driver, since theres nothing to remove + /* Note that this doesn't actually remove the driver, since theres nothing to remove * It just makes sure everything is turned off */ GPSR = GPIO_GPIO25; ssp_exit(); @@ -198,3 +199,5 @@ static int __init jornada_ssp_init(void) { return platform_driver_register(&jornadassp_driver); } + +module_init(jornada_ssp_init); diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c index 7b9556b5905..51b0eb52c01 100644 --- a/arch/arm/mach-sa1100/lart.c +++ b/arch/arm/mach-sa1100/lart.c @@ -4,7 +4,13 @@ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/tty.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/platform_device.h> + +#include <video/sa1100fb.h> #include <mach/hardware.h> #include <asm/setup.h> @@ -13,21 +19,96 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> +#include <mach/irqs.h> #include "generic.h" - -#warning "include/asm/arch-sa1100/ide.h needs fixing for lart" - static struct mcp_plat_data lart_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, }; +#ifdef LART_GREY_LCD +static struct sa1100fb_mach_info lart_grey_info = { + .pixclock = 150000, .bpp = 4, + .xres = 320, .yres = 240, + + .hsync_len = 1, .vsync_len = 1, + .left_margin = 4, .upper_margin = 0, + .right_margin = 2, .lower_margin = 0, + + .cmap_greyscale = 1, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Mono | LCCR0_Sngl | LCCR0_Pas | LCCR0_4PixMono, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512), +}; +#endif +#ifdef LART_COLOR_LCD +static struct sa1100fb_mach_info lart_color_info = { + .pixclock = 150000, .bpp = 16, + .xres = 320, .yres = 240, + + .hsync_len = 2, .vsync_len = 3, + .left_margin = 69, .upper_margin = 14, + .right_margin = 8, .lower_margin = 4, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512), +}; +#endif +#ifdef LART_VIDEO_OUT +static struct sa1100fb_mach_info lart_video_info = { + .pixclock = 39721, .bpp = 16, + .xres = 640, .yres = 480, + + .hsync_len = 95, .vsync_len = 2, + .left_margin = 40, .upper_margin = 32, + .right_margin = 24, .lower_margin = 11, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnL | LCCR3_PixFlEdg | LCCR3_ACBsDiv(512), +}; +#endif + +#ifdef LART_KIT01_LCD +static struct sa1100fb_mach_info lart_kit01_info = { + .pixclock = 63291, .bpp = 16, + .xres = 640, .yres = 480, + + .hsync_len = 64, .vsync_len = 3, + .left_margin = 122, .upper_margin = 45, + .right_margin = 10, .lower_margin = 10, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixFlEdg +}; +#endif + static void __init lart_init(void) { + struct sa1100fb_mach_info *inf = NULL; + +#ifdef LART_GREY_LCD + inf = &lart_grey_info; +#endif +#ifdef LART_COLOR_LCD + inf = &lart_color_info; +#endif +#ifdef LART_VIDEO_OUT + inf = &lart_video_info; +#endif +#ifdef LART_KIT01_LCD + inf = &lart_kit01_info; +#endif + + if (inf) + sa11x0_register_lcd(inf); + + sa11x0_ppc_configure_mcp(); sa11x0_register_mcp(&lart_mcp_data); } @@ -45,6 +126,27 @@ static struct map_desc lart_io_desc[] __initdata = { } }; +/* LEDs */ +struct gpio_led lart_gpio_leds[] = { + { + .name = "lart:red", + .default_trigger = "cpu0", + .gpio = 23, + }, +}; + +static struct gpio_led_platform_data lart_gpio_led_info = { + .leds = lart_gpio_leds, + .num_leds = ARRAY_SIZE(lart_gpio_leds), +}; + +static struct platform_device lart_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &lart_gpio_led_info, + } +}; static void __init lart_map_io(void) { sa1100_map_io(); @@ -58,12 +160,17 @@ static void __init lart_map_io(void) GPDR |= GPIO_UART_TXD; GPDR &= ~GPIO_UART_RXD; PPAR |= PPAR_UPR; + + platform_device_register(&lart_leds); } MACHINE_START(LART, "LART") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = lart_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, .init_machine = lart_init, - .timer = &sa1100_timer, + .init_late = sa11x0_init_late, + .init_time = sa1100_timer_init, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/leds-assabet.c b/arch/arm/mach-sa1100/leds-assabet.c deleted file mode 100644 index 64e9b4b11b5..00000000000 --- a/arch/arm/mach-sa1100/leds-assabet.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-assabet.c - * - * Copyright (C) 2000 John Dorsey <john+@cs.cmu.edu> - * - * Original (leds-footbridge.c) by Russell King - * - * Assabet uses the LEDs as follows: - * - Green - toggles state every 50 timer interrupts - * - Red - on if system is not idle - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> -#include <mach/assabet.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define ASSABET_BCR_LED_MASK (ASSABET_BCR_LED_GREEN | ASSABET_BCR_LED_RED) - -void assabet_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch (evt) { - case led_start: - hw_led_state = ASSABET_BCR_LED_RED | ASSABET_BCR_LED_GREEN; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - hw_led_state = ASSABET_BCR_LED_RED | ASSABET_BCR_LED_GREEN; - ASSABET_BCR_frob(ASSABET_BCR_LED_MASK, hw_led_state); - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = ASSABET_BCR_LED_RED | ASSABET_BCR_LED_GREEN; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = ASSABET_BCR_LED_RED | ASSABET_BCR_LED_GREEN; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= ASSABET_BCR_LED_GREEN; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= ASSABET_BCR_LED_RED; - break; - - case led_idle_end: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~ASSABET_BCR_LED_RED; - break; -#endif - - case led_halted: - break; - - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~ASSABET_BCR_LED_GREEN; - break; - - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= ASSABET_BCR_LED_GREEN; - break; - - case led_amber_on: - break; - - case led_amber_off: - break; - - case led_red_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~ASSABET_BCR_LED_RED; - break; - - case led_red_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= ASSABET_BCR_LED_RED; - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) - ASSABET_BCR_frob(ASSABET_BCR_LED_MASK, hw_led_state); - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-sa1100/leds-badge4.c b/arch/arm/mach-sa1100/leds-badge4.c deleted file mode 100644 index cf1e38458b8..00000000000 --- a/arch/arm/mach-sa1100/leds-badge4.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-badge4.c - * - * Author: Christopher Hoover <ch@hpl.hp.com> - * Copyright (C) 2002 Hewlett-Packard Company - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> - -#include "leds.h" - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_RED GPIO_GPIO(7) -#define LED_GREEN GPIO_GPIO(9) -#define LED_MASK (LED_RED|LED_GREEN) - -#define LED_IDLE LED_GREEN -#define LED_TIMER LED_RED - -void badge4_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch (evt) { - case led_start: - GPDR |= LED_MASK; - hw_led_state = LED_MASK; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_TIMER; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - /* LED off when system is idle */ - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_IDLE; - break; - - case led_idle_end: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_IDLE; - break; -#endif - - case led_red_on: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_RED; - break; - - case led_red_off: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_RED; - break; - - case led_green_on: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_GREEN; - break; - - case led_green_off: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_GREEN; - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) { - GPSR = hw_led_state; - GPCR = hw_led_state ^ LED_MASK; - } - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-sa1100/leds-cerf.c b/arch/arm/mach-sa1100/leds-cerf.c deleted file mode 100644 index 259b48e0be8..00000000000 --- a/arch/arm/mach-sa1100/leds-cerf.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-cerf.c - * - * Author: ??? - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_D0 GPIO_GPIO(0) -#define LED_D1 GPIO_GPIO(1) -#define LED_D2 GPIO_GPIO(2) -#define LED_D3 GPIO_GPIO(3) -#define LED_MASK (LED_D0|LED_D1|LED_D2|LED_D3) - -void cerf_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch (evt) { - case led_start: - hw_led_state = LED_MASK; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_D0; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_D1; - break; - - case led_idle_end: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_D1; - break; -#endif - case led_green_on: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_D2; - break; - - case led_green_off: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_D2; - break; - - case led_amber_on: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_D3; - break; - - case led_amber_off: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_D3; - break; - - case led_red_on: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_D1; - break; - - case led_red_off: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_D1; - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) { - GPSR = hw_led_state; - GPCR = hw_led_state ^ LED_MASK; - } - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-sa1100/leds-hackkit.c b/arch/arm/mach-sa1100/leds-hackkit.c deleted file mode 100644 index 2bce137462e..00000000000 --- a/arch/arm/mach-sa1100/leds-hackkit.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-hackkit.c - * - * based on leds-lart.c - * - * (C) Erik Mouw (J.A.K.Mouw@its.tudelft.nl), April 21, 2000 - * (C) Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de>, 2002 - * - * The HackKit has two leds (GPIO 22/23). The red led (gpio 22) is used - * as cpu led, the green one is used as timer led. - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_GREEN GPIO_GPIO23 -#define LED_RED GPIO_GPIO22 -#define LED_MASK (LED_RED | LED_GREEN) - -void hackkit_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch(evt) { - case led_start: - /* pin 22/23 are outputs */ - GPDR |= LED_MASK; - hw_led_state = LED_MASK; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_GREEN; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - /* The LART people like the LED to be off when the - system is idle... */ - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_RED; - break; - - case led_idle_end: - /* ... and on if the system is not idle */ - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_RED; - break; -#endif - - case led_red_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~LED_RED; - break; - - case led_red_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= LED_RED; - break; - - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~LED_GREEN; - break; - - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= LED_GREEN; - break; - - default: - break; - } - - /* Now set the GPIO state, or nothing will happen at all */ - if (led_state & LED_STATE_ENABLED) { - GPSR = hw_led_state; - GPCR = hw_led_state ^ LED_MASK; - } - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-sa1100/leds-lart.c b/arch/arm/mach-sa1100/leds-lart.c deleted file mode 100644 index 0505a1fdcdb..00000000000 --- a/arch/arm/mach-sa1100/leds-lart.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-lart.c - * - * (C) Erik Mouw (J.A.K.Mouw@its.tudelft.nl), April 21, 2000 - * - * LART uses the LED as follows: - * - GPIO23 is the LED, on if system is not idle - * You can use both CONFIG_LEDS_CPU and CONFIG_LEDS_TIMER at the same - * time, but in that case the timer events will still dictate the - * pace of the LED. - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_23 GPIO_GPIO23 -#define LED_MASK (LED_23) - -void lart_leds_event(led_event_t evt) -{ - unsigned long flags; - - local_irq_save(flags); - - switch(evt) { - case led_start: - /* pin 23 is output pin */ - GPDR |= LED_23; - hw_led_state = LED_MASK; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_MASK; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_23; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - /* The LART people like the LED to be off when the - system is idle... */ - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state &= ~LED_23; - break; - - case led_idle_end: - /* ... and on if the system is not idle */ - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state |= LED_23; - break; -#endif - - case led_red_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~LED_23; - break; - - case led_red_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= LED_23; - break; - - default: - break; - } - - /* Now set the GPIO state, or nothing will happen at all */ - if (led_state & LED_STATE_ENABLED) { - GPSR = hw_led_state; - GPCR = hw_led_state ^ LED_MASK; - } - - local_irq_restore(flags); -} diff --git a/arch/arm/mach-sa1100/leds-simpad.c b/arch/arm/mach-sa1100/leds-simpad.c deleted file mode 100644 index d50f4eeaa12..00000000000 --- a/arch/arm/mach-sa1100/leds-simpad.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-simpad.c - * - * Author: Juergen Messerer <juergen.messerer@siemens.ch> - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> -#include <mach/simpad.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_GREEN (1) -#define LED_MASK (1) - -extern void set_cs3_bit(int value); -extern void clear_cs3_bit(int value); - -void simpad_leds_event(led_event_t evt) -{ - switch (evt) - { - case led_start: - hw_led_state = LED_GREEN; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_GREEN; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_GREEN; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_GREEN; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - break; - - case led_idle_end: - break; -#endif - - case led_halted: - break; - - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= LED_GREEN; - break; - - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~LED_GREEN; - break; - - case led_amber_on: - break; - - case led_amber_off: - break; - - case led_red_on: - break; - - case led_red_off: - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) - set_cs3_bit(LED2_ON); - else - clear_cs3_bit(LED2_ON); -} - diff --git a/arch/arm/mach-sa1100/leds.c b/arch/arm/mach-sa1100/leds.c deleted file mode 100644 index bbfe197fb4d..00000000000 --- a/arch/arm/mach-sa1100/leds.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds.c - * - * SA1100 LEDs dispatcher - * - * Copyright (C) 2001 Nicolas Pitre - */ -#include <linux/compiler.h> -#include <linux/init.h> - -#include <asm/leds.h> -#include <asm/mach-types.h> - -#include "leds.h" - -static int __init -sa1100_leds_init(void) -{ - if (machine_is_assabet()) - leds_event = assabet_leds_event; - if (machine_is_consus()) - leds_event = consus_leds_event; - if (machine_is_badge4()) - leds_event = badge4_leds_event; - if (machine_is_brutus()) - leds_event = brutus_leds_event; - if (machine_is_cerf()) - leds_event = cerf_leds_event; - if (machine_is_flexanet()) - leds_event = flexanet_leds_event; - if (machine_is_graphicsclient()) - leds_event = graphicsclient_leds_event; - if (machine_is_hackkit()) - leds_event = hackkit_leds_event; - if (machine_is_lart()) - leds_event = lart_leds_event; - if (machine_is_pfs168()) - leds_event = pfs168_leds_event; - if (machine_is_graphicsmaster()) - leds_event = graphicsmaster_leds_event; - if (machine_is_adsbitsy()) - leds_event = adsbitsy_leds_event; - if (machine_is_pt_system3()) - leds_event = system3_leds_event; - if (machine_is_simpad()) - leds_event = simpad_leds_event; /* what about machine registry? including led, apm... -zecke */ - - leds_event(led_start); - return 0; -} - -core_initcall(sa1100_leds_init); diff --git a/arch/arm/mach-sa1100/leds.h b/arch/arm/mach-sa1100/leds.h deleted file mode 100644 index 68cc9f773d6..00000000000 --- a/arch/arm/mach-sa1100/leds.h +++ /dev/null @@ -1,14 +0,0 @@ -extern void assabet_leds_event(led_event_t evt); -extern void badge4_leds_event(led_event_t evt); -extern void consus_leds_event(led_event_t evt); -extern void brutus_leds_event(led_event_t evt); -extern void cerf_leds_event(led_event_t evt); -extern void flexanet_leds_event(led_event_t evt); -extern void graphicsclient_leds_event(led_event_t evt); -extern void hackkit_leds_event(led_event_t evt); -extern void lart_leds_event(led_event_t evt); -extern void pfs168_leds_event(led_event_t evt); -extern void graphicsmaster_leds_event(led_event_t evt); -extern void adsbitsy_leds_event(led_event_t evt); -extern void system3_leds_event(led_event_t evt); -extern void simpad_leds_event(led_event_t evt); diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c index 72087f0658b..f1cb3784d52 100644 --- a/arch/arm/mach-sa1100/nanoengine.c +++ b/arch/arm/mach-sa1100/nanoengine.c @@ -13,20 +13,22 @@ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/root_dev.h> #include <asm/mach-types.h> #include <asm/setup.h> +#include <asm/page.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> #include <mach/hardware.h> #include <mach/nanoengine.h> +#include <mach/irqs.h> #include "generic.h" @@ -57,15 +59,8 @@ static struct flash_platform_data nanoengine_flash_data = { }; static struct resource nanoengine_flash_resources[] = { - { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, - }, { - .start = SA1100_CS1_PHYS, - .end = SA1100_CS1_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, - } + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), + DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_32M), }; static struct map_desc nanoengine_io_desc[] __initdata = { @@ -111,9 +106,12 @@ static void __init nanoengine_init(void) } MACHINE_START(NANOENGINE, "BSE nanoEngine") - .boot_params = 0xc0000000, + .atag_offset = 0x100, .map_io = nanoengine_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = nanoengine_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index 4aad01f7366..400f8033204 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -1,89 +1,105 @@ /* * linux/arch/arm/mach-sa1100/neponset.c - * */ -#include <linux/kernel.h> +#include <linux/err.h> #include <linux/init.h> -#include <linux/tty.h> #include <linux/ioport.h> -#include <linux/serial_core.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/serial_core.h> +#include <linux/slab.h> -#include <mach/hardware.h> #include <asm/mach-types.h> -#include <asm/irq.h> #include <asm/mach/map.h> -#include <asm/mach/irq.h> -#include <asm/mach/serial_sa1100.h> -#include <mach/assabet.h> -#include <mach/neponset.h> #include <asm/hardware/sa1111.h> #include <asm/sizes.h> -/* - * Install handler for Neponset IRQ. Note that we have to loop here - * since the ETHERNET and USAR IRQs are level based, and we need to - * ensure that the IRQ signal is deasserted before returning. This - * is rather unfortunate. - */ -static void -neponset_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - unsigned int irr; - - while (1) { - /* - * Acknowledge the parent IRQ. - */ - desc->irq_data.chip->irq_ack(&desc->irq_data); - - /* - * Read the interrupt reason register. Let's have all - * active IRQ bits high. Note: there is a typo in the - * Neponset user's guide for the SA1111 IRR level. - */ - irr = IRR ^ (IRR_ETHERNET | IRR_USAR); - - if ((irr & (IRR_ETHERNET | IRR_USAR | IRR_SA1111)) == 0) - break; - - /* - * Since there is no individual mask, we have to - * mask the parent IRQ. This is safe, since we'll - * recheck the register for any pending IRQs. - */ - if (irr & (IRR_ETHERNET | IRR_USAR)) { - desc->irq_data.chip->irq_mask(&desc->irq_data); - - /* - * Ack the interrupt now to prevent re-entering - * this neponset handler. Again, this is safe - * since we'll check the IRR register prior to - * leaving. - */ - desc->irq_data.chip->irq_ack(&desc->irq_data); +#include <mach/hardware.h> +#include <mach/assabet.h> +#include <mach/neponset.h> +#include <mach/irqs.h> + +#define NEP_IRQ_SMC91X 0 +#define NEP_IRQ_USAR 1 +#define NEP_IRQ_SA1111 2 +#define NEP_IRQ_NR 3 + +#define WHOAMI 0x00 +#define LEDS 0x10 +#define SWPK 0x20 +#define IRR 0x24 +#define KP_Y_IN 0x80 +#define KP_X_OUT 0x90 +#define NCR_0 0xa0 +#define MDM_CTL_0 0xb0 +#define MDM_CTL_1 0xb4 +#define AUD_CTL 0xc0 + +#define IRR_ETHERNET (1 << 0) +#define IRR_USAR (1 << 1) +#define IRR_SA1111 (1 << 2) + +#define MDM_CTL0_RTS1 (1 << 0) +#define MDM_CTL0_DTR1 (1 << 1) +#define MDM_CTL0_RTS2 (1 << 2) +#define MDM_CTL0_DTR2 (1 << 3) + +#define MDM_CTL1_CTS1 (1 << 0) +#define MDM_CTL1_DSR1 (1 << 1) +#define MDM_CTL1_DCD1 (1 << 2) +#define MDM_CTL1_CTS2 (1 << 3) +#define MDM_CTL1_DSR2 (1 << 4) +#define MDM_CTL1_DCD2 (1 << 5) + +#define AUD_SEL_1341 (1 << 0) +#define AUD_MUTE_1341 (1 << 1) - if (irr & IRR_ETHERNET) { - generic_handle_irq(IRQ_NEPONSET_SMC9196); - } +extern void sa1110_mb_disable(void); - if (irr & IRR_USAR) { - generic_handle_irq(IRQ_NEPONSET_USAR); - } +struct neponset_drvdata { + void __iomem *base; + struct platform_device *sa1111; + struct platform_device *smc91x; + unsigned irq_base; +#ifdef CONFIG_PM_SLEEP + u32 ncr0; + u32 mdm_ctl_0; +#endif +}; - desc->irq_data.chip->irq_unmask(&desc->irq_data); - } +static void __iomem *nep_base; - if (irr & IRR_SA1111) { - generic_handle_irq(IRQ_NEPONSET_SA1111); - } +void neponset_ncr_frob(unsigned int mask, unsigned int val) +{ + void __iomem *base = nep_base; + + if (base) { + unsigned long flags; + unsigned v; + + local_irq_save(flags); + v = readb_relaxed(base + NCR_0); + writeb_relaxed((v & ~mask) | val, base + NCR_0); + local_irq_restore(flags); + } else { + WARN(1, "nep_base unset\n"); } } +EXPORT_SYMBOL(neponset_ncr_frob); static void neponset_set_mctrl(struct uart_port *port, u_int mctrl) { - u_int mdm_ctl0 = MDM_CTL_0; + void __iomem *base = nep_base; + u_int mdm_ctl0; + + if (!base) + return; + mdm_ctl0 = readb_relaxed(base + MDM_CTL_0); if (port->mapbase == _Ser1UTCR0) { if (mctrl & TIOCM_RTS) mdm_ctl0 &= ~MDM_CTL0_RTS2; @@ -106,14 +122,19 @@ static void neponset_set_mctrl(struct uart_port *port, u_int mctrl) mdm_ctl0 |= MDM_CTL0_DTR1; } - MDM_CTL_0 = mdm_ctl0; + writeb_relaxed(mdm_ctl0, base + MDM_CTL_0); } static u_int neponset_get_mctrl(struct uart_port *port) { + void __iomem *base = nep_base; u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR; - u_int mdm_ctl1 = MDM_CTL_1; + u_int mdm_ctl1; + + if (!base) + return ret; + mdm_ctl1 = readb_relaxed(base + MDM_CTL_1); if (port->mapbase == _Ser1UTCR0) { if (mdm_ctl1 & MDM_CTL1_DCD2) ret &= ~TIOCM_CD; @@ -133,214 +154,283 @@ static u_int neponset_get_mctrl(struct uart_port *port) return ret; } -static struct sa1100_port_fns neponset_port_fns __devinitdata = { +static struct sa1100_port_fns neponset_port_fns = { .set_mctrl = neponset_set_mctrl, .get_mctrl = neponset_get_mctrl, }; -static int __devinit neponset_probe(struct platform_device *dev) +/* + * Install handler for Neponset IRQ. Note that we have to loop here + * since the ETHERNET and USAR IRQs are level based, and we need to + * ensure that the IRQ signal is deasserted before returning. This + * is rather unfortunate. + */ +static void neponset_irq_handler(unsigned int irq, struct irq_desc *desc) { - sa1100_register_uart_fns(&neponset_port_fns); + struct neponset_drvdata *d = irq_desc_get_handler_data(desc); + unsigned int irr; - /* - * Install handler for GPIO25. - */ - set_irq_type(IRQ_GPIO25, IRQ_TYPE_EDGE_RISING); - set_irq_chained_handler(IRQ_GPIO25, neponset_irq_handler); + while (1) { + /* + * Acknowledge the parent IRQ. + */ + desc->irq_data.chip->irq_ack(&desc->irq_data); - /* - * We would set IRQ_GPIO25 to be a wake-up IRQ, but - * unfortunately something on the Neponset activates - * this IRQ on sleep (ethernet?) - */ -#if 0 - enable_irq_wake(IRQ_GPIO25); -#endif + /* + * Read the interrupt reason register. Let's have all + * active IRQ bits high. Note: there is a typo in the + * Neponset user's guide for the SA1111 IRR level. + */ + irr = readb_relaxed(d->base + IRR); + irr ^= IRR_ETHERNET | IRR_USAR; - /* - * Setup other Neponset IRQs. SA1111 will be done by the - * generic SA1111 code. - */ - set_irq_handler(IRQ_NEPONSET_SMC9196, handle_simple_irq); - set_irq_flags(IRQ_NEPONSET_SMC9196, IRQF_VALID | IRQF_PROBE); - set_irq_handler(IRQ_NEPONSET_USAR, handle_simple_irq); - set_irq_flags(IRQ_NEPONSET_USAR, IRQF_VALID | IRQF_PROBE); + if ((irr & (IRR_ETHERNET | IRR_USAR | IRR_SA1111)) == 0) + break; - /* - * Disable GPIO 0/1 drivers so the buttons work on the module. - */ - NCR_0 = NCR_GP01_OFF; + /* + * Since there is no individual mask, we have to + * mask the parent IRQ. This is safe, since we'll + * recheck the register for any pending IRQs. + */ + if (irr & (IRR_ETHERNET | IRR_USAR)) { + desc->irq_data.chip->irq_mask(&desc->irq_data); - return 0; -} + /* + * Ack the interrupt now to prevent re-entering + * this neponset handler. Again, this is safe + * since we'll check the IRR register prior to + * leaving. + */ + desc->irq_data.chip->irq_ack(&desc->irq_data); -#ifdef CONFIG_PM + if (irr & IRR_ETHERNET) + generic_handle_irq(d->irq_base + NEP_IRQ_SMC91X); -/* - * LDM power management. - */ -static unsigned int neponset_saved_state; + if (irr & IRR_USAR) + generic_handle_irq(d->irq_base + NEP_IRQ_USAR); -static int neponset_suspend(struct platform_device *dev, pm_message_t state) -{ - /* - * Save state. - */ - neponset_saved_state = NCR_0; + desc->irq_data.chip->irq_unmask(&desc->irq_data); + } - return 0; + if (irr & IRR_SA1111) + generic_handle_irq(d->irq_base + NEP_IRQ_SA1111); + } } -static int neponset_resume(struct platform_device *dev) +/* Yes, we really do not have any kind of masking or unmasking */ +static void nochip_noop(struct irq_data *irq) { - NCR_0 = neponset_saved_state; - - return 0; } -#else -#define neponset_suspend NULL -#define neponset_resume NULL -#endif - -static struct platform_driver neponset_device_driver = { - .probe = neponset_probe, - .suspend = neponset_suspend, - .resume = neponset_resume, - .driver = { - .name = "neponset", - }, -}; - -static struct resource neponset_resources[] = { - [0] = { - .start = 0x10000000, - .end = 0x17ffffff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device neponset_device = { - .name = "neponset", - .id = 0, - .num_resources = ARRAY_SIZE(neponset_resources), - .resource = neponset_resources, -}; - -static struct resource sa1111_resources[] = { - [0] = { - .start = 0x40000000, - .end = 0x40001fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_NEPONSET_SA1111, - .end = IRQ_NEPONSET_SA1111, - .flags = IORESOURCE_IRQ, - }, +static struct irq_chip nochip = { + .name = "neponset", + .irq_ack = nochip_noop, + .irq_mask = nochip_noop, + .irq_unmask = nochip_noop, }; static struct sa1111_platform_data sa1111_info = { - .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; -static u64 sa1111_dmamask = 0xffffffffUL; +static int neponset_probe(struct platform_device *dev) +{ + struct neponset_drvdata *d; + struct resource *nep_res, *sa1111_res, *smc91x_res; + struct resource sa1111_resources[] = { + DEFINE_RES_MEM(0x40000000, SZ_8K), + { .flags = IORESOURCE_IRQ }, + }; + struct platform_device_info sa1111_devinfo = { + .parent = &dev->dev, + .name = "sa1111", + .id = 0, + .res = sa1111_resources, + .num_res = ARRAY_SIZE(sa1111_resources), + .data = &sa1111_info, + .size_data = sizeof(sa1111_info), + .dma_mask = 0xffffffffUL, + }; + struct resource smc91x_resources[] = { + DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS, + 0x02000000, "smc91x-regs"), + DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS + 0x02000000, + 0x02000000, "smc91x-attrib"), + { .flags = IORESOURCE_IRQ }, + }; + struct platform_device_info smc91x_devinfo = { + .parent = &dev->dev, + .name = "smc91x", + .id = 0, + .res = smc91x_resources, + .num_res = ARRAY_SIZE(smc91x_resources), + }; + int ret, irq; + + if (nep_base) + return -EBUSY; + + irq = ret = platform_get_irq(dev, 0); + if (ret < 0) + goto err_alloc; + + nep_res = platform_get_resource(dev, IORESOURCE_MEM, 0); + smc91x_res = platform_get_resource(dev, IORESOURCE_MEM, 1); + sa1111_res = platform_get_resource(dev, IORESOURCE_MEM, 2); + if (!nep_res || !smc91x_res || !sa1111_res) { + ret = -ENXIO; + goto err_alloc; + } -static struct platform_device sa1111_device = { - .name = "sa1111", - .id = 0, - .dev = { - .dma_mask = &sa1111_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = &sa1111_info, - }, - .num_resources = ARRAY_SIZE(sa1111_resources), - .resource = sa1111_resources, -}; + d = kzalloc(sizeof(*d), GFP_KERNEL); + if (!d) { + ret = -ENOMEM; + goto err_alloc; + } -static struct resource smc91x_resources[] = { - [0] = { - .name = "smc91x-regs", - .start = SA1100_CS3_PHYS, - .end = SA1100_CS3_PHYS + 0x01ffffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_NEPONSET_SMC9196, - .end = IRQ_NEPONSET_SMC9196, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .name = "smc91x-attrib", - .start = SA1100_CS3_PHYS + 0x02000000, - .end = SA1100_CS3_PHYS + 0x03ffffff, - .flags = IORESOURCE_MEM, - }, -}; + d->base = ioremap(nep_res->start, SZ_4K); + if (!d->base) { + ret = -ENOMEM; + goto err_ioremap; + } -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; + if (readb_relaxed(d->base + WHOAMI) != 0x11) { + dev_warn(&dev->dev, "Neponset board detected, but wrong ID: %02x\n", + readb_relaxed(d->base + WHOAMI)); + ret = -ENODEV; + goto err_id; + } -static struct platform_device *devices[] __initdata = { - &neponset_device, - &sa1111_device, - &smc91x_device, -}; + ret = irq_alloc_descs(-1, IRQ_BOARD_START, NEP_IRQ_NR, -1); + if (ret <= 0) { + dev_err(&dev->dev, "unable to allocate %u irqs: %d\n", + NEP_IRQ_NR, ret); + if (ret == 0) + ret = -ENOMEM; + goto err_irq_alloc; + } -extern void sa1110_mb_disable(void); + d->irq_base = ret; -static int __init neponset_init(void) -{ - platform_driver_register(&neponset_device_driver); + irq_set_chip_and_handler(d->irq_base + NEP_IRQ_SMC91X, &nochip, + handle_simple_irq); + set_irq_flags(d->irq_base + NEP_IRQ_SMC91X, IRQF_VALID | IRQF_PROBE); + irq_set_chip_and_handler(d->irq_base + NEP_IRQ_USAR, &nochip, + handle_simple_irq); + set_irq_flags(d->irq_base + NEP_IRQ_USAR, IRQF_VALID | IRQF_PROBE); + irq_set_chip(d->irq_base + NEP_IRQ_SA1111, &nochip); - /* - * The Neponset is only present on the Assabet machine type. - */ - if (!machine_is_assabet()) - return -ENODEV; + irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING); + irq_set_handler_data(irq, d); + irq_set_chained_handler(irq, neponset_irq_handler); /* - * Ensure that the memory bus request/grant signals are setup, - * and the grant is held in its inactive state, whether or not - * we actually have a Neponset attached. + * We would set IRQ_GPIO25 to be a wake-up IRQ, but unfortunately + * something on the Neponset activates this IRQ on sleep (eth?) */ +#if 0 + enable_irq_wake(irq); +#endif + + dev_info(&dev->dev, "Neponset daughter board, providing IRQ%u-%u\n", + d->irq_base, d->irq_base + NEP_IRQ_NR - 1); + nep_base = d->base; + + sa1100_register_uart_fns(&neponset_port_fns); + + /* Ensure that the memory bus request/grant signals are setup */ sa1110_mb_disable(); - if (!machine_has_neponset()) { - printk(KERN_DEBUG "Neponset expansion board not present\n"); - return -ENODEV; - } + /* Disable GPIO 0/1 drivers so the buttons work on the Assabet */ + writeb_relaxed(NCR_GP01_OFF, d->base + NCR_0); - if (WHOAMI != 0x11) { - printk(KERN_WARNING "Neponset board detected, but " - "wrong ID: %02x\n", WHOAMI); - return -ENODEV; - } + sa1111_resources[0].parent = sa1111_res; + sa1111_resources[1].start = d->irq_base + NEP_IRQ_SA1111; + sa1111_resources[1].end = d->irq_base + NEP_IRQ_SA1111; + d->sa1111 = platform_device_register_full(&sa1111_devinfo); + + smc91x_resources[0].parent = smc91x_res; + smc91x_resources[1].parent = smc91x_res; + smc91x_resources[2].start = d->irq_base + NEP_IRQ_SMC91X; + smc91x_resources[2].end = d->irq_base + NEP_IRQ_SMC91X; + d->smc91x = platform_device_register_full(&smc91x_devinfo); + + platform_set_drvdata(dev, d); - return platform_add_devices(devices, ARRAY_SIZE(devices)); + return 0; + + err_irq_alloc: + err_id: + iounmap(d->base); + err_ioremap: + kfree(d); + err_alloc: + return ret; } -subsys_initcall(neponset_init); +static int neponset_remove(struct platform_device *dev) +{ + struct neponset_drvdata *d = platform_get_drvdata(dev); + int irq = platform_get_irq(dev, 0); + + if (!IS_ERR(d->sa1111)) + platform_device_unregister(d->sa1111); + if (!IS_ERR(d->smc91x)) + platform_device_unregister(d->smc91x); + irq_set_chained_handler(irq, NULL); + irq_free_descs(d->irq_base, NEP_IRQ_NR); + nep_base = NULL; + iounmap(d->base); + kfree(d); -static struct map_desc neponset_io_desc[] __initdata = { - { /* System Registers */ - .virtual = 0xf3000000, - .pfn = __phys_to_pfn(0x10000000), - .length = SZ_1M, - .type = MT_DEVICE - }, { /* SA-1111 */ - .virtual = 0xf4000000, - .pfn = __phys_to_pfn(0x40000000), - .length = SZ_1M, - .type = MT_DEVICE - } + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int neponset_suspend(struct device *dev) +{ + struct neponset_drvdata *d = dev_get_drvdata(dev); + + d->ncr0 = readb_relaxed(d->base + NCR_0); + d->mdm_ctl_0 = readb_relaxed(d->base + MDM_CTL_0); + + return 0; +} + +static int neponset_resume(struct device *dev) +{ + struct neponset_drvdata *d = dev_get_drvdata(dev); + + writeb_relaxed(d->ncr0, d->base + NCR_0); + writeb_relaxed(d->mdm_ctl_0, d->base + MDM_CTL_0); + + return 0; +} + +static const struct dev_pm_ops neponset_pm_ops = { + .suspend_noirq = neponset_suspend, + .resume_noirq = neponset_resume, + .freeze_noirq = neponset_suspend, + .restore_noirq = neponset_resume, +}; +#define PM_OPS &neponset_pm_ops +#else +#define PM_OPS NULL +#endif + +static struct platform_driver neponset_device_driver = { + .probe = neponset_probe, + .remove = neponset_remove, + .driver = { + .name = "neponset", + .owner = THIS_MODULE, + .pm = PM_OPS, + }, }; -void __init neponset_map_io(void) +static int __init neponset_init(void) { - iotable_init(neponset_io_desc, ARRAY_SIZE(neponset_io_desc)); + return platform_driver_register(&neponset_device_driver); } + +subsys_initcall(neponset_init); diff --git a/arch/arm/mach-sa1100/pci-nanoengine.c b/arch/arm/mach-sa1100/pci-nanoengine.c index fba7a913f12..ff02e2da99f 100644 --- a/arch/arm/mach-sa1100/pci-nanoengine.c +++ b/arch/arm/mach-sa1100/pci-nanoengine.c @@ -28,6 +28,7 @@ #include <asm/mach-types.h> #include <mach/nanoengine.h> +#include <mach/hardware.h> static DEFINE_SPINLOCK(nano_lock); @@ -122,22 +123,14 @@ static struct pci_ops pci_nano_ops = { .write = nanoengine_write_config, }; -static int __init pci_nanoengine_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +static int __init pci_nanoengine_map_irq(const struct pci_dev *dev, u8 slot, + u8 pin) { return NANOENGINE_IRQ_GPIO_PCI; } -struct pci_bus * __init pci_nanoengine_scan_bus(int nr, struct pci_sys_data *sys) -{ - return pci_scan_bus(sys->busnr, &pci_nano_ops, sys); -} - -static struct resource pci_io_ports = { - .name = "PCI IO", - .start = 0x400, - .end = 0x7FF, - .flags = IORESOURCE_IO, -}; +static struct resource pci_io_ports = + DEFINE_RES_IO_NAMED(0x400, 0x400, "PCI IO"); static struct resource pci_non_prefetchable_memory = { .name = "PCI non-prefetchable", @@ -224,7 +217,7 @@ static struct resource pci_prefetchable_memory = { .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH, }; -static int __init pci_nanoengine_setup_resources(struct resource **resource) +static int __init pci_nanoengine_setup_resources(struct pci_sys_data *sys) { if (request_resource(&ioport_resource, &pci_io_ports)) { printk(KERN_ERR "PCI: unable to allocate io port region\n"); @@ -241,9 +234,11 @@ static int __init pci_nanoengine_setup_resources(struct resource **resource) printk(KERN_ERR "PCI: unable to allocate prefetchable\n"); return -EBUSY; } - resource[0] = &pci_io_ports; - resource[1] = &pci_non_prefetchable_memory; - resource[2] = &pci_prefetchable_memory; + pci_add_resource_offset(&sys->resources, &pci_io_ports, sys->io_offset); + pci_add_resource_offset(&sys->resources, + &pci_non_prefetchable_memory, sys->mem_offset); + pci_add_resource_offset(&sys->resources, + &pci_prefetchable_memory, sys->mem_offset); return 1; } @@ -252,10 +247,13 @@ int __init pci_nanoengine_setup(int nr, struct pci_sys_data *sys) { int ret = 0; + pcibios_min_io = 0; + pcibios_min_mem = 0; + if (nr == 0) { sys->mem_offset = NANO_PCI_MEM_RW_PHYS; sys->io_offset = 0x400; - ret = pci_nanoengine_setup_resources(sys->resource); + ret = pci_nanoengine_setup_resources(sys); /* Enable alternate memory bus master mode, see * "Intel StrongARM SA1110 Developer's Manual", * section 10.8, "Alternate Memory Bus Master Mode". */ @@ -270,7 +268,7 @@ int __init pci_nanoengine_setup(int nr, struct pci_sys_data *sys) static struct hw_pci nanoengine_pci __initdata = { .map_irq = pci_nanoengine_map_irq, .nr_controllers = 1, - .scan = pci_nanoengine_scan_bus, + .ops = &pci_nano_ops, .setup = pci_nanoengine_setup, }; diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c index 42b80400c10..091261878ef 100644 --- a/arch/arm/mach-sa1100/pleb.c +++ b/arch/arm/mach-sa1100/pleb.c @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/tty.h> #include <linux/ioport.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/io.h> @@ -18,7 +19,6 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> -#include <asm/mach/serial_sa1100.h> #include <mach/irqs.h> #include "generic.h" @@ -37,17 +37,9 @@ #define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21 static struct resource smc91x_resources[] = { - [0] = { - .start = PLEB_ETH0_P, - .end = PLEB_ETH0_P | 0x03ffffff, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000), #if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ - [1] = { - .start = IRQ_GPIO_ETH0_IRQ, - .end = IRQ_GPIO_ETH0_IRQ, - .flags = IORESOURCE_IRQ, - }, + [1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ), #endif }; @@ -70,16 +62,8 @@ static struct platform_device *devices[] __initdata = { * the two SA1100 lowest chip select outputs. */ static struct resource pleb_flash_resources[] = { - [0] = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_8M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = SA1100_CS1_PHYS, - .end = SA1100_CS1_PHYS + SZ_8M - 1, - .flags = IORESOURCE_MEM, - } + [0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M), + [1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M), }; @@ -142,12 +126,15 @@ static void __init pleb_map_io(void) GPDR &= ~GPIO_ETH0_IRQ; - set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); + irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); } MACHINE_START(PLEB, "PLEB") .map_io = pleb_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = pleb_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c index c4661aab22f..6645d1e31f1 100644 --- a/arch/arm/mach-sa1100/pm.c +++ b/arch/arm/mach-sa1100/pm.c @@ -23,16 +23,17 @@ * Storage is local on the stack now. */ #include <linux/init.h> +#include <linux/io.h> #include <linux/suspend.h> #include <linux/errno.h> #include <linux/time.h> #include <mach/hardware.h> #include <asm/memory.h> -#include <asm/system.h> +#include <asm/suspend.h> #include <asm/mach/time.h> -extern void sa1100_cpu_suspend(long); +extern int sa1100_finish_suspend(unsigned long); #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] @@ -75,9 +76,7 @@ static int sa11x0_pm_enter(suspend_state_t state) PSPR = virt_to_phys(cpu_resume); /* go zzz */ - sa1100_cpu_suspend(PLAT_PHYS_OFFSET - PAGE_OFFSET); - - cpu_init(); + cpu_suspend(0, sa1100_finish_suspend); /* * Ensure not to come back here if it wasn't intended @@ -119,10 +118,8 @@ static const struct platform_suspend_ops sa11x0_pm_ops = { .valid = suspend_valid_only_mem, }; -static int __init sa11x0_pm_init(void) +int __init sa11x0_pm_init(void) { suspend_set_ops(&sa11x0_pm_ops); return 0; } - -late_initcall(sa11x0_pm_init); diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c index 7917b240557..c8866bce738 100644 --- a/arch/arm/mach-sa1100/shannon.c +++ b/arch/arm/mach-sa1100/shannon.c @@ -5,10 +5,13 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/kernel.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/tty.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <video/sa1100fb.h> + #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/setup.h> @@ -16,9 +19,9 @@ #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> #include <mach/shannon.h> +#include <mach/irqs.h> #include "generic.h" @@ -46,19 +49,32 @@ static struct flash_platform_data shannon_flash_data = { .nr_parts = ARRAY_SIZE(shannon_partitions), }; -static struct resource shannon_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_4M - 1, - .flags = IORESOURCE_MEM, -}; +static struct resource shannon_flash_resource = + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M); static struct mcp_plat_data shannon_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, }; +static struct sa1100fb_mach_info shannon_lcd_info = { + .pixclock = 152500, .bpp = 8, + .xres = 640, .yres = 480, + + .hsync_len = 4, .vsync_len = 3, + .left_margin = 2, .upper_margin = 0, + .right_margin = 1, .lower_margin = 0, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Color | LCCR0_Dual | LCCR0_Pas, + .lccr3 = LCCR3_ACBsDiv(512), +}; + static void __init shannon_init(void) { + sa11x0_ppc_configure_mcp(); + sa11x0_register_lcd(&shannon_lcd_info); sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1); sa11x0_register_mcp(&shannon_mcp_data); } @@ -82,9 +98,12 @@ static void __init shannon_map_io(void) } MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)") - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = shannon_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_time = sa1100_timer_init, .init_machine = shannon_init, + .init_late = sa11x0_init_late, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index cfb76077bd2..41e476e571d 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -7,56 +7,116 @@ #include <linux/kernel.h> #include <linux/tty.h> #include <linux/proc_fs.h> -#include <linux/string.h> +#include <linux/string.h> #include <linux/pm.h> +#include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> +#include <linux/mfd/ucb1x00.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/io.h> +#include <linux/gpio.h> -#include <asm/irq.h> #include <mach/hardware.h> #include <asm/setup.h> +#include <asm/irq.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/mach/serial_sa1100.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> #include <mach/simpad.h> +#include <mach/irqs.h> #include <linux/serial_core.h> #include <linux/ioport.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/leds.h> +#include <linux/i2c-gpio.h> #include "generic.h" -long cs3_shadow; +/* + * CS3 support + */ + +static long cs3_shadow; +static spinlock_t cs3_lock; +static struct gpio_chip cs3_gpio; + +long simpad_get_cs3_ro(void) +{ + return readl(CS3_BASE); +} +EXPORT_SYMBOL(simpad_get_cs3_ro); -long get_cs3_shadow(void) +long simpad_get_cs3_shadow(void) { return cs3_shadow; } +EXPORT_SYMBOL(simpad_get_cs3_shadow); -void set_cs3(long value) +static void __simpad_write_cs3(void) { - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow = value; + writel(cs3_shadow, CS3_BASE); } -void set_cs3_bit(int value) +void simpad_set_cs3_bit(int value) { + unsigned long flags; + + spin_lock_irqsave(&cs3_lock, flags); cs3_shadow |= value; - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; + __simpad_write_cs3(); + spin_unlock_irqrestore(&cs3_lock, flags); } +EXPORT_SYMBOL(simpad_set_cs3_bit); -void clear_cs3_bit(int value) +void simpad_clear_cs3_bit(int value) { + unsigned long flags; + + spin_lock_irqsave(&cs3_lock, flags); cs3_shadow &= ~value; - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; + __simpad_write_cs3(); + spin_unlock_irqrestore(&cs3_lock, flags); } +EXPORT_SYMBOL(simpad_clear_cs3_bit); + +static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + if (offset > 15) + return; + if (value) + simpad_set_cs3_bit(1 << offset); + else + simpad_clear_cs3_bit(1 << offset); +}; + +static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + if (offset > 15) + return simpad_get_cs3_ro() & (1 << (offset - 16)); + return simpad_get_cs3_shadow() & (1 << offset); +}; -EXPORT_SYMBOL(set_cs3_bit); -EXPORT_SYMBOL(clear_cs3_bit); +static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + if (offset > 15) + return 0; + return -EINVAL; +}; + +static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset, + int value) +{ + if (offset > 15) + return -EINVAL; + cs3_gpio_set(chip, offset, value); + return 0; +}; static struct map_desc simpad_io_desc[] __initdata = { { /* MQ200 */ @@ -64,9 +124,9 @@ static struct map_desc simpad_io_desc[] __initdata = { .pfn = __phys_to_pfn(0x4b800000), .length = 0x00800000, .type = MT_DEVICE - }, { /* Paules CS3, write only */ - .virtual = 0xf1000000, - .pfn = __phys_to_pfn(0x18000000), + }, { /* Simpad CS3 */ + .virtual = (unsigned long)CS3_BASE, + .pfn = __phys_to_pfn(SA1100_CS3_PHYS), .length = 0x00100000, .type = MT_DEVICE }, @@ -78,12 +138,12 @@ static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate) if (port->mapbase == (u_int)&Ser1UTCR0) { if (state) { - clear_cs3_bit(RS232_ON); - clear_cs3_bit(DECT_POWER_ON); + simpad_clear_cs3_bit(RS232_ON); + simpad_clear_cs3_bit(DECT_POWER_ON); }else { - set_cs3_bit(RS232_ON); - set_cs3_bit(DECT_POWER_ON); + simpad_set_cs3_bit(RS232_ON); + simpad_set_cs3_bit(DECT_POWER_ON); } } } @@ -118,20 +178,18 @@ static struct flash_platform_data simpad_flash_data = { static struct resource simpad_flash_resources [] = { - { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_16M -1, - .flags = IORESOURCE_MEM, - }, { - .start = SA1100_CS1_PHYS, - .end = SA1100_CS1_PHYS + SZ_16M -1, - .flags = IORESOURCE_MEM, - } + DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M), + DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M), +}; + +static struct ucb1x00_plat_data simpad_ucb1x00_data = { + .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, }; static struct mcp_plat_data simpad_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, + .codec_pdata = &simpad_ucb1x00_data, }; @@ -142,9 +200,10 @@ static void __init simpad_map_io(void) iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc)); - set_cs3_bit (EN1 | EN0 | LED2_ON | DISPLAY_ON | RS232_ON | - ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); - + /* Initialize CS3 */ + cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON | + RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); + __simpad_write_cs3(); /* Spinlocks not yet initialized */ sa1100_register_uart_fns(&simpad_port_fns); sa1100_register_uart(0, 3); /* serial interface */ @@ -170,13 +229,14 @@ static void __init simpad_map_io(void) static void simpad_power_off(void) { - local_irq_disable(); // was cli - set_cs3(0x800); /* only SD_MEDIAQ */ + local_irq_disable(); + cs3_shadow = SD_MEDIAQ; + __simpad_write_cs3(); /* Bypass spinlock here */ /* disable internal oscillator, float CS lines */ PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS); - /* enable wake-up on GPIO0 (Assabet...) */ - PWER = GFER = GRER = 1; + /* enable wake-up on GPIO0 */ + PWER = GFER = GRER = PWER_GPIO0; /* * set scratchpad to zero, just in case it is used as a * restart address by the bootloader. @@ -192,6 +252,91 @@ static void simpad_power_off(void) } +/* + * gpio_keys +*/ + +static struct gpio_keys_button simpad_button_table[] = { + { KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" }, +}; + +static struct gpio_keys_platform_data simpad_keys_data = { + .buttons = simpad_button_table, + .nbuttons = ARRAY_SIZE(simpad_button_table), +}; + +static struct platform_device simpad_keys = { + .name = "gpio-keys", + .dev = { + .platform_data = &simpad_keys_data, + }, +}; + +static struct gpio_keys_button simpad_polled_button_table[] = { + { KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" }, + { KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" }, + { KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" }, + { KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" }, + { KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" }, + { KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" }, +}; + +static struct gpio_keys_platform_data simpad_polled_keys_data = { + .buttons = simpad_polled_button_table, + .nbuttons = ARRAY_SIZE(simpad_polled_button_table), + .poll_interval = 50, +}; + +static struct platform_device simpad_polled_keys = { + .name = "gpio-keys-polled", + .dev = { + .platform_data = &simpad_polled_keys_data, + }, +}; + +/* + * GPIO LEDs + */ + +static struct gpio_led simpad_leds[] = { + { + .name = "simpad:power", + .gpio = SIMPAD_CS3_LED2_ON, + .active_low = 0, + .default_trigger = "default-on", + }, +}; + +static struct gpio_led_platform_data simpad_led_data = { + .num_leds = ARRAY_SIZE(simpad_leds), + .leds = simpad_leds, +}; + +static struct platform_device simpad_gpio_leds = { + .name = "leds-gpio", + .id = 0, + .dev = { + .platform_data = &simpad_led_data, + }, +}; + +/* + * i2c + */ +static struct i2c_gpio_platform_data simpad_i2c_data = { + .sda_pin = GPIO_GPIO21, + .scl_pin = GPIO_GPIO25, + .udelay = 10, + .timeout = HZ, +}; + +static struct platform_device simpad_i2c = { + .name = "i2c-gpio", + .id = 0, + .dev = { + .platform_data = &simpad_i2c_data, + }, +}; /* * MediaQ Video Device @@ -202,7 +347,11 @@ static struct platform_device simpad_mq200fb = { }; static struct platform_device *devices[] __initdata = { - &simpad_mq200fb + &simpad_keys, + &simpad_polled_keys, + &simpad_mq200fb, + &simpad_gpio_leds, + &simpad_i2c, }; @@ -211,8 +360,22 @@ static int __init simpad_init(void) { int ret; + spin_lock_init(&cs3_lock); + + cs3_gpio.label = "simpad_cs3"; + cs3_gpio.base = SIMPAD_CS3_GPIO_BASE; + cs3_gpio.ngpio = 24; + cs3_gpio.set = cs3_gpio_set; + cs3_gpio.get = cs3_gpio_get; + cs3_gpio.direction_input = cs3_gpio_direction_input; + cs3_gpio.direction_output = cs3_gpio_direction_output; + ret = gpiochip_add(&cs3_gpio); + if (ret) + printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device"); + pm_power_off = simpad_power_off; + sa11x0_ppc_configure_mcp(); sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, ARRAY_SIZE(simpad_flash_resources)); sa11x0_register_mcp(&simpad_mcp_data); @@ -229,8 +392,11 @@ arch_initcall(simpad_init); MACHINE_START(SIMPAD, "Simpad") /* Maintainer: Holger Freyther */ - .boot_params = 0xc0000100, + .atag_offset = 0x100, .map_io = simpad_map_io, + .nr_irqs = SA1100_NR_IRQS, .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, + .init_late = sa11x0_init_late, + .init_time = sa1100_timer_init, + .restart = sa11x0_restart, MACHINE_END diff --git a/arch/arm/mach-sa1100/sleep.S b/arch/arm/mach-sa1100/sleep.S index 04f2a618d4e..85863741ef8 100644 --- a/arch/arm/mach-sa1100/sleep.S +++ b/arch/arm/mach-sa1100/sleep.S @@ -22,38 +22,42 @@ .text /* - * sa1100_cpu_suspend() + * sa1100_finish_suspend() * * Causes sa11x0 to enter sleep state * + * Must be aligned to a cacheline. */ - -ENTRY(sa1100_cpu_suspend) - stmfd sp!, {r4 - r12, lr} @ save registers on stack - mov r1, r0 - ldr r3, =sa1100_cpu_resume @ return function - bl cpu_suspend - + .balign 32 +ENTRY(sa1100_finish_suspend) @ disable clock switching mcr p15, 0, r1, c15, c2, 2 - @ Adjust memory timing before lowering CPU clock - @ Clock speed adjustment without changing memory timing makes - @ CPU hang in some cases - ldr r0, =MDREFR - ldr r1, [r0] - orr r1, r1, #MDREFR_K1DB2 - str r1, [r0] + ldr r6, =MDREFR + ldr r4, [r6] + orr r4, r4, #MDREFR_K1DB2 + ldr r5, =PPCR + + @ Pre-load __loop_udelay into the I-cache + mov r0, #1 + bl __loop_udelay + mov r0, r0 + + @ The following must all exist in a single cache line to + @ avoid accessing memory until this sequence is complete, + @ otherwise we occasionally hang. + + @ Adjust memory timing before lowering CPU clock + str r4, [r6] @ delay 90us and set CPU PLL to lowest speed @ fixes resume problem on high speed SA1110 mov r0, #90 - bl __udelay - ldr r0, =PPCR + bl __loop_udelay mov r1, #0 - str r1, [r0] + str r1, [r5] mov r0, #90 - bl __udelay + bl __loop_udelay /* * SA1110 SDRAM controller workaround. register values: @@ -90,12 +94,10 @@ ENTRY(sa1100_cpu_suspend) bic r5, r5, #FMsk(MSC_RT) bic r5, r5, #FMsk(MSC_RT)<<16 - ldr r6, =MDREFR - ldr r7, [r6] -bic r7, r7, #0x0000FF00 -bic r7, r7, #0x000000F0 -orr r8, r7, #MDREFR_SLFRSH + bic r7, r7, #0x0000FF00 + bic r7, r7, #0x000000F0 + orr r8, r7, #MDREFR_SLFRSH ldr r9, =MDCNFG ldr r10, [r9] @@ -139,13 +141,3 @@ sa1110_sdram_controller_fix: str r13, [r12] 20: b 20b @ loop waiting for sleep - -/* - * cpu_sa1100_resume() - * - * entry point from bootloader into kernel during resume - */ - .align 5 -sa1100_cpu_resume: - mcr p15, 0, r1, c15, c1, 2 @ enable clock switching - ldmfd sp!, {r4 - r12, pc} @ return to caller diff --git a/arch/arm/mach-sa1100/ssp.c b/arch/arm/mach-sa1100/ssp.c index b20ff93b84a..e22fca9ad5e 100644 --- a/arch/arm/mach-sa1100/ssp.c +++ b/arch/arm/mach-sa1100/ssp.c @@ -19,8 +19,8 @@ #include <linux/init.h> #include <linux/io.h> -#include <asm/irq.h> #include <mach/hardware.h> +#include <mach/irqs.h> #include <asm/hardware/ssp.h> #define TIMEOUT 100000 diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index ae4f3d80416..1dea6cfafb3 100644 --- a/arch/arm/mach-sa1100/time.c +++ b/arch/arm/mach-sa1100/time.c @@ -9,40 +9,24 @@ * */ #include <linux/init.h> +#include <linux/kernel.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/sched.h> /* just for sched_clock() - funny that */ #include <linux/timex.h> #include <linux/clockchips.h> +#include <linux/sched_clock.h> #include <asm/mach/time.h> -#include <asm/sched_clock.h> #include <mach/hardware.h> +#include <mach/irqs.h> -/* - * This is the SA11x0 sched_clock implementation. - */ -static DEFINE_CLOCK_DATA(cd); - -/* - * Constants generated by clocks_calc_mult_shift(m, s, 3.6864MHz, - * NSEC_PER_SEC, 60). - * This gives a resolution of about 271ns and a wrap period of about 19min. - */ -#define SC_MULT 2275555556u -#define SC_SHIFT 23 - -unsigned long long notrace sched_clock(void) -{ - u32 cyc = OSCR; - return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); -} +#define SA1100_CLOCK_FREQ 3686400 +#define SA1100_LATCH DIV_ROUND_CLOSEST(SA1100_CLOCK_FREQ, HZ) -static void notrace sa1100_update_sched_clock(void) +static u64 notrace sa1100_read_sched_clock(void) { - u32 cyc = OSCR; - update_sched_clock(&cd, cyc, (u32)~0); + return readl_relaxed(OSCR); } #define MIN_OSCR_DELTA 2 @@ -52,8 +36,8 @@ static irqreturn_t sa1100_ost0_interrupt(int irq, void *dev_id) struct clock_event_device *c = dev_id; /* Disarm the compare/match, signal the event. */ - OIER &= ~OIER_E0; - OSSR = OSSR_M0; + writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER); + writel_relaxed(OSSR_M0, OSSR); c->event_handler(c); return IRQ_HANDLED; @@ -64,10 +48,10 @@ sa1100_osmr0_set_next_event(unsigned long delta, struct clock_event_device *c) { unsigned long next, oscr; - OIER |= OIER_E0; - next = OSCR + delta; - OSMR0 = next; - oscr = OSCR; + writel_relaxed(readl_relaxed(OIER) | OIER_E0, OIER); + next = readl_relaxed(OSCR) + delta; + writel_relaxed(next, OSMR0); + oscr = readl_relaxed(OSCR); return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0; } @@ -79,8 +63,8 @@ sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c) case CLOCK_EVT_MODE_ONESHOT: case CLOCK_EVT_MODE_UNUSED: case CLOCK_EVT_MODE_SHUTDOWN: - OIER &= ~OIER_E0; - OSSR = OSSR_M0; + writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER); + writel_relaxed(OSSR_M0, OSSR); break; case CLOCK_EVT_MODE_RESUME: @@ -89,90 +73,67 @@ sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c) } } -static struct clock_event_device ckevt_sa1100_osmr0 = { - .name = "osmr0", - .features = CLOCK_EVT_FEAT_ONESHOT, - .shift = 32, - .rating = 200, - .set_next_event = sa1100_osmr0_set_next_event, - .set_mode = sa1100_osmr0_set_mode, -}; - -static cycle_t sa1100_read_oscr(struct clocksource *s) -{ - return OSCR; -} - -static struct clocksource cksrc_sa1100_oscr = { - .name = "oscr", - .rating = 200, - .read = sa1100_read_oscr, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -static struct irqaction sa1100_timer_irq = { - .name = "ost0", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, - .handler = sa1100_ost0_interrupt, - .dev_id = &ckevt_sa1100_osmr0, -}; - -static void __init sa1100_timer_init(void) -{ - OIER = 0; /* disable any timer interrupts */ - OSSR = 0xf; /* clear status on all timers */ - - init_fixed_sched_clock(&cd, sa1100_update_sched_clock, 32, - 3686400, SC_MULT, SC_SHIFT); - - ckevt_sa1100_osmr0.mult = - div_sc(3686400, NSEC_PER_SEC, ckevt_sa1100_osmr0.shift); - ckevt_sa1100_osmr0.max_delta_ns = - clockevent_delta2ns(0x7fffffff, &ckevt_sa1100_osmr0); - ckevt_sa1100_osmr0.min_delta_ns = - clockevent_delta2ns(MIN_OSCR_DELTA * 2, &ckevt_sa1100_osmr0) + 1; - ckevt_sa1100_osmr0.cpumask = cpumask_of(0); - - setup_irq(IRQ_OST0, &sa1100_timer_irq); - - clocksource_register_hz(&cksrc_sa1100_oscr, CLOCK_TICK_RATE); - clockevents_register_device(&ckevt_sa1100_osmr0); -} - #ifdef CONFIG_PM unsigned long osmr[4], oier; -static void sa1100_timer_suspend(void) +static void sa1100_timer_suspend(struct clock_event_device *cedev) { - osmr[0] = OSMR0; - osmr[1] = OSMR1; - osmr[2] = OSMR2; - osmr[3] = OSMR3; - oier = OIER; + osmr[0] = readl_relaxed(OSMR0); + osmr[1] = readl_relaxed(OSMR1); + osmr[2] = readl_relaxed(OSMR2); + osmr[3] = readl_relaxed(OSMR3); + oier = readl_relaxed(OIER); } -static void sa1100_timer_resume(void) +static void sa1100_timer_resume(struct clock_event_device *cedev) { - OSSR = 0x0f; - OSMR0 = osmr[0]; - OSMR1 = osmr[1]; - OSMR2 = osmr[2]; - OSMR3 = osmr[3]; - OIER = oier; + writel_relaxed(0x0f, OSSR); + writel_relaxed(osmr[0], OSMR0); + writel_relaxed(osmr[1], OSMR1); + writel_relaxed(osmr[2], OSMR2); + writel_relaxed(osmr[3], OSMR3); + writel_relaxed(oier, OIER); /* * OSMR0 is the system timer: make sure OSCR is sufficiently behind */ - OSCR = OSMR0 - LATCH; + writel_relaxed(OSMR0 - SA1100_LATCH, OSCR); } #else #define sa1100_timer_suspend NULL #define sa1100_timer_resume NULL #endif -struct sys_timer sa1100_timer = { - .init = sa1100_timer_init, +static struct clock_event_device ckevt_sa1100_osmr0 = { + .name = "osmr0", + .features = CLOCK_EVT_FEAT_ONESHOT, + .rating = 200, + .set_next_event = sa1100_osmr0_set_next_event, + .set_mode = sa1100_osmr0_set_mode, .suspend = sa1100_timer_suspend, .resume = sa1100_timer_resume, }; + +static struct irqaction sa1100_timer_irq = { + .name = "ost0", + .flags = IRQF_TIMER | IRQF_IRQPOLL, + .handler = sa1100_ost0_interrupt, + .dev_id = &ckevt_sa1100_osmr0, +}; + +void __init sa1100_timer_init(void) +{ + writel_relaxed(0, OIER); + writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR); + + sched_clock_register(sa1100_read_sched_clock, 32, 3686400); + + ckevt_sa1100_osmr0.cpumask = cpumask_of(0); + + setup_irq(IRQ_OST0, &sa1100_timer_irq); + + clocksource_mmio_init(OSCR, "oscr", SA1100_CLOCK_FREQ, 200, 32, + clocksource_mmio_readl_up); + clockevents_config_and_register(&ckevt_sa1100_osmr0, 3686400, + MIN_OSCR_DELTA * 2, 0x7fffffff); +} |