diff options
Diffstat (limited to 'arch/arm/mach-pxa/lpd270.c')
| -rw-r--r-- | arch/arm/mach-pxa/lpd270.c | 233 |
1 files changed, 120 insertions, 113 deletions
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index afa62ffe3ad..9f6ec167902 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -12,10 +12,10 @@ * 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/init.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/bitops.h> @@ -23,12 +23,13 @@ #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/pwm_backlight.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/mach-types.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/sizes.h> @@ -37,24 +38,65 @@ #include <asm/mach/irq.h> #include <asm/mach/flash.h> -#include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-regs.h> -#include <asm/arch/lpd270.h> -#include <asm/arch/audio.h> -#include <asm/arch/pxafb.h> -#include <asm/arch/mmc.h> -#include <asm/arch/irda.h> -#include <asm/arch/ohci.h> +#include <mach/pxa27x.h> +#include <mach/lpd270.h> +#include <mach/audio.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/irda-pxaficp.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <mach/smemc.h> #include "generic.h" #include "devices.h" +static unsigned long lpd270_pin_config[] __initdata = { + /* Chip Selects */ + GPIO15_nCS_1, /* Mainboard Flash */ + GPIO78_nCS_2, /* CPLD + Ethernet */ + + /* LCD - 16bpp Active TFT */ + GPIO58_LCD_LDD_0, + GPIO59_LCD_LDD_1, + GPIO60_LCD_LDD_2, + GPIO61_LCD_LDD_3, + GPIO62_LCD_LDD_4, + GPIO63_LCD_LDD_5, + GPIO64_LCD_LDD_6, + GPIO65_LCD_LDD_7, + GPIO66_LCD_LDD_8, + GPIO67_LCD_LDD_9, + GPIO68_LCD_LDD_10, + GPIO69_LCD_LDD_11, + GPIO70_LCD_LDD_12, + GPIO71_LCD_LDD_13, + GPIO72_LCD_LDD_14, + GPIO73_LCD_LDD_15, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, + GPIO16_PWM0_OUT, /* Backlight */ + + /* USB Host */ + GPIO88_USBH1_PWR, + GPIO89_USBH1_PEN, + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO45_AC97_SYSCLK, + + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, +}; static unsigned int lpd270_irq_enabled; -static void lpd270_mask_irq(unsigned int irq) +static void lpd270_mask_irq(struct irq_data *d) { - int lpd270_irq = irq - LPD270_IRQ(0); + int lpd270_irq = d->irq - LPD270_IRQ(0); __raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS); @@ -62,9 +104,9 @@ static void lpd270_mask_irq(unsigned int irq) __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK); } -static void lpd270_unmask_irq(unsigned int irq) +static void lpd270_unmask_irq(struct irq_data *d) { - int lpd270_irq = irq - LPD270_IRQ(0); + int lpd270_irq = d->irq - LPD270_IRQ(0); lpd270_irq_enabled |= 1 << lpd270_irq; __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK); @@ -72,9 +114,9 @@ static void lpd270_unmask_irq(unsigned int irq) static struct irq_chip lpd270_irq_chip = { .name = "CPLD", - .ack = lpd270_mask_irq, - .mask = lpd270_mask_irq, - .unmask = lpd270_unmask_irq, + .irq_ack = lpd270_mask_irq, + .irq_mask = lpd270_mask_irq, + .irq_unmask = lpd270_unmask_irq, }; static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc) @@ -83,11 +125,11 @@ static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc) pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled; do { - GEDR(0) = GPIO_bit(0); /* clear useless edge notification */ + /* clear useless edge notification */ + desc->irq_data.chip->irq_ack(&desc->irq_data); if (likely(pending)) { irq = LPD270_IRQ(0) + __ffs(pending); - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled; @@ -106,37 +148,32 @@ static void __init lpd270_init_irq(void) /* setup extra LogicPD PXA270 irqs */ for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) { - set_irq_chip(irq, &lpd270_irq_chip); - set_irq_handler(irq, handle_level_irq); + irq_set_chip_and_handler(irq, &lpd270_irq_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } - set_irq_chained_handler(IRQ_GPIO(0), lpd270_irq_handler); - set_irq_type(IRQ_GPIO(0), IRQT_FALLING); + irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), lpd270_irq_handler); + irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING); } #ifdef CONFIG_PM -static int lpd270_irq_resume(struct sys_device *dev) +static void lpd270_irq_resume(void) { __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK); - return 0; } -static struct sysdev_class lpd270_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops lpd270_irq_syscore_ops = { .resume = lpd270_irq_resume, }; -static struct sys_device lpd270_irq_device = { - .cls = &lpd270_irq_sysclass, -}; - static int __init lpd270_irq_device_init(void) { - int ret = sysdev_class_register(&lpd270_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&lpd270_irq_device); - return ret; + if (machine_is_logicpd_pxa270()) { + register_syscore_ops(&lpd270_irq_syscore_ops); + return 0; + } + return -ENODEV; } device_initcall(lpd270_irq_device_init); @@ -163,11 +200,6 @@ static struct platform_device smc91x_device = { .resource = smc91x_resources, }; -static struct platform_device lpd270_audio_device = { - .name = "pxa2xx-ac97", - .id = -1, -}; - static struct resource lpd270_flash_resources[] = { [0] = { .start = PXA_CS0_PHYS, @@ -232,21 +264,21 @@ static struct platform_device lpd270_flash_device[2] = { }, }; -static void lpd270_backlight_power(int on) -{ - if (on) { - pxa_gpio_mode(GPIO16_PWM0_MD); - pxa_set_cken(CKEN_PWM0, 1); - PWM_CTRL0 = 0; - PWM_PWDUTY0 = 0x3ff; - PWM_PERVAL0 = 0x3ff; - } else { - PWM_CTRL0 = 0; - PWM_PWDUTY0 = 0x0; - PWM_PERVAL0 = 0x3FF; - pxa_set_cken(CKEN_PWM0, 0); - } -} +static struct platform_pwm_backlight_data lpd270_backlight_data = { + .pwm_id = 0, + .max_brightness = 1, + .dft_brightness = 1, + .pwm_period_ns = 78770, + .enable_gpio = -1, +}; + +static struct platform_device lpd270_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &lpd270_backlight_data, + }, +}; /* 5.7" TFT QVGA (LoLo display number 1) */ static struct pxafb_mode_info sharp_lq057q3dc02_mode = { @@ -266,9 +298,8 @@ static struct pxafb_mode_info sharp_lq057q3dc02_mode = { static struct pxafb_mach_info sharp_lq057q3dc02 = { .modes = &sharp_lq057q3dc02_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; /* 12.1" TFT SVGA (LoLo display number 2) */ @@ -289,9 +320,8 @@ static struct pxafb_mode_info sharp_lq121s1dg31_mode = { static struct pxafb_mach_info sharp_lq121s1dg31 = { .modes = &sharp_lq121s1dg31_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; /* 3.6" TFT QVGA (LoLo display number 3) */ @@ -312,9 +342,8 @@ static struct pxafb_mode_info sharp_lq036q1da01_mode = { static struct pxafb_mach_info sharp_lq036q1da01 = { .modes = &sharp_lq036q1da01_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; /* 6.4" TFT VGA (LoLo display number 5) */ @@ -335,9 +364,8 @@ static struct pxafb_mode_info sharp_lq64d343_mode = { static struct pxafb_mach_info sharp_lq64d343 = { .modes = &sharp_lq64d343_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; /* 10.4" TFT VGA (LoLo display number 7) */ @@ -358,9 +386,8 @@ static struct pxafb_mode_info sharp_lq10d368_mode = { static struct pxafb_mach_info sharp_lq10d368 = { .modes = &sharp_lq10d368_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; /* 3.5" TFT QVGA (LoLo display number 8) */ @@ -381,9 +408,8 @@ static struct pxafb_mode_info sharp_lq035q7db02_20_mode = { static struct pxafb_mach_info sharp_lq035q7db02_20 = { .modes = &sharp_lq035q7db02_20_mode, .num_modes = 1, - .lccr0 = 0x07800080, - .lccr3 = 0x00400000, - .pxafb_backlight_power = lpd270_backlight_power, + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | + LCD_ALTERNATE_MAPPING, }; static struct pxafb_mach_info *lpd270_lcd_to_use; @@ -413,33 +439,25 @@ __setup("lcd=", lpd270_set_lcd); static struct platform_device *platform_devices[] __initdata = { &smc91x_device, - &lpd270_audio_device, + &lpd270_backlight_device, &lpd270_flash_device[0], &lpd270_flash_device[1], }; -static int lpd270_ohci_init(struct device *dev) -{ - /* setup Port1 GPIO pin. */ - pxa_gpio_mode(88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */ - pxa_gpio_mode(89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */ - - /* Set the Power Control Polarity Low and Power Sense - Polarity Low to active low. */ - UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) & - ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE); - - return 0; -} - static struct pxaohci_platform_data lpd270_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, - .init = lpd270_ohci_init, + .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, }; static void __init lpd270_init(void) { - lpd270_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4; + pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + lpd270_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; lpd270_flash_data[1].width = 4; /* @@ -449,15 +467,12 @@ static void __init lpd270_init(void) */ ARB_CNTRL = ARB_CORE_PARK | 0x234; - /* - * On LogicPD PXA270, we route AC97_SYSCLK via GPIO45. - */ - pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD); - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + pxa_set_ac97_info(NULL); + if (lpd270_lcd_to_use != NULL) - set_pxa_fb_info(lpd270_lcd_to_use); + pxa_set_fb_info(NULL, lpd270_lcd_to_use); pxa_set_ohci_info(&lpd270_ohci_platform_data); } @@ -465,7 +480,7 @@ static void __init lpd270_init(void) static struct map_desc lpd270_io_desc[] __initdata = { { - .virtual = LPD270_CPLD_VIRT, + .virtual = (unsigned long)LPD270_CPLD_VIRT, .pfn = __phys_to_pfn(LPD270_CPLD_PHYS), .length = LPD270_CPLD_SIZE, .type = MT_DEVICE, @@ -474,18 +489,9 @@ static struct map_desc lpd270_io_desc[] __initdata = { static void __init lpd270_map_io(void) { - pxa_map_io(); + pxa27x_map_io(); iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc)); - /* initialize sleep mode regs (wake-up sources, etc) */ - PGSR0 = 0x00008800; - PGSR1 = 0x00000002; - PGSR2 = 0x0001FC00; - PGSR3 = 0x00001F81; - PWER = 0xC0000002; - PRER = 0x00000002; - PFER = 0x00000002; - /* for use I SRAM as framebuffer. */ PSLR |= 0x00000F04; PCFR = 0x00000066; @@ -493,11 +499,12 @@ static void __init lpd270_map_io(void) MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine") /* Maintainer: Peter Barada */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, + .atag_offset = 0x100, .map_io = lpd270_map_io, + .nr_irqs = LPD270_NR_IRQS, .init_irq = lpd270_init_irq, - .timer = &pxa_timer, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, .init_machine = lpd270_init, + .restart = pxa_restart, MACHINE_END |