diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-n8x0.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-n8x0.c | 242 |
1 files changed, 70 insertions, 172 deletions
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 67226271760..aead77a4bc6 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -16,29 +16,23 @@ #include <linux/gpio.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/irq.h> #include <linux/stddef.h> #include <linux/i2c.h> #include <linux/spi/spi.h> #include <linux/usb/musb.h> +#include <linux/platform_data/spi-omap2-mcspi.h> +#include <linux/platform_data/mtd-onenand-omap2.h> +#include <linux/mfd/menelaus.h> #include <sound/tlv320aic3x.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> -#include <plat/board.h> #include "common.h" -#include <plat/menelaus.h> -#include <mach/irqs.h> -#include <plat/mcspi.h> -#include <plat/onenand.h> -#include <plat/mmc.h> -#include <plat/serial.h> - -#include "mux.h" - -static int slot1_cover_open; -static int slot2_cover_open; -static struct device *mmc_device; +#include "mmc.h" +#include "soc.h" +#include "gpmc-onenand.h" #define TUSB6010_ASYNC_CS 1 #define TUSB6010_SYNC_CS 4 @@ -46,6 +40,31 @@ static struct device *mmc_device; #define TUSB6010_GPIO_ENABLE 0 #define TUSB6010_DMACHAN 0x3f +#define NOKIA_N810_WIMAX (1 << 2) +#define NOKIA_N810 (1 << 1) +#define NOKIA_N800 (1 << 0) + +static u32 board_caps; + +#define board_is_n800() (board_caps & NOKIA_N800) +#define board_is_n810() (board_caps & NOKIA_N810) +#define board_is_n810_wimax() (board_caps & NOKIA_N810_WIMAX) + +static void board_check_revision(void) +{ + if (of_have_populated_dt()) { + if (of_machine_is_compatible("nokia,n800")) + board_caps = NOKIA_N800; + else if (of_machine_is_compatible("nokia,n810")) + board_caps = NOKIA_N810; + else if (of_machine_is_compatible("nokia,n810-wimax")) + board_caps = NOKIA_N810_WIMAX; + } + + if (!board_caps) + pr_err("Unknown board\n"); +} + #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE) /* * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and @@ -87,13 +106,7 @@ static struct musb_hdrc_config musb_config = { }; static struct musb_hdrc_platform_data tusb_data = { -#if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, -#elif defined(CONFIG_USB_MUSB_PERIPHERAL) - .mode = MUSB_PERIPHERAL, -#else /* defined(CONFIG_USB_MUSB_HOST) */ - .mode = MUSB_HOST, -#endif .set_power = tusb_set_power, .min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */ .power = 100, /* Max 100 mA VBUS for host mode */ @@ -137,7 +150,6 @@ static void __init n8x0_usb_init(void) {} static struct omap2_mcspi_device_config p54spi_mcspi_config = { .turbo_mode = 0, - .single_channel = 1, }; static struct spi_board_info n800_spi_board_info[] __initdata = { @@ -150,49 +162,6 @@ static struct spi_board_info n800_spi_board_info[] __initdata = { }, }; -#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ - defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) - -static struct mtd_partition onenand_partitions[] = { - { - .name = "bootloader", - .offset = 0, - .size = 0x20000, - .mask_flags = MTD_WRITEABLE, /* Force read-only */ - }, - { - .name = "config", - .offset = MTDPART_OFS_APPEND, - .size = 0x60000, - }, - { - .name = "kernel", - .offset = MTDPART_OFS_APPEND, - .size = 0x200000, - }, - { - .name = "initfs", - .offset = MTDPART_OFS_APPEND, - .size = 0x400000, - }, - { - .name = "rootfs", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct omap_onenand_platform_data board_onenand_data[] = { - { - .cs = 0, - .gpio_irq = 26, - .parts = onenand_partitions, - .nr_parts = ARRAY_SIZE(onenand_partitions), - .flags = ONENAND_SYNC_READ, - } -}; -#endif - #if defined(CONFIG_MENELAUS) && \ (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)) @@ -211,6 +180,10 @@ static struct omap_onenand_platform_data board_onenand_data[] = { #define N810_EMMC_VSD_GPIO 23 #define N810_EMMC_VIO_GPIO 9 +static int slot1_cover_open; +static int slot2_cover_open; +static struct device *mmc_device; + static int n8x0_mmc_switch_slot(struct device *dev, int slot) { #ifdef CONFIG_MMC_DEBUG @@ -310,7 +283,7 @@ static void n810_set_power_emmc(struct device *dev, static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on, int vdd) { - if (machine_is_nokia_n800() || slot == 0) + if (board_is_n800() || slot == 0) return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd); n810_set_power_emmc(dev, power_on); @@ -356,7 +329,7 @@ static void n8x0_mmc_callback(void *data, u8 card_mask) { int bit, *openp, index; - if (machine_is_nokia_n800()) { + if (board_is_n800()) { bit = 1 << 1; openp = &slot2_cover_open; index = 1; @@ -389,7 +362,7 @@ static int n8x0_mmc_late_init(struct device *dev) if (r < 0) return r; - if (machine_is_nokia_n800()) + if (board_is_n800()) vs2sel = 0; else vs2sel = 2; @@ -412,7 +385,7 @@ static int n8x0_mmc_late_init(struct device *dev) if (r < 0) return r; - if (machine_is_nokia_n800()) { + if (board_is_n800()) { bit = 1 << 1; openp = &slot2_cover_open; } else { @@ -439,7 +412,7 @@ static void n8x0_mmc_shutdown(struct device *dev) { int vs2sel; - if (machine_is_nokia_n800()) + if (board_is_n800()) vs2sel = 0; else vs2sel = 2; @@ -454,7 +427,7 @@ static void n8x0_mmc_cleanup(struct device *dev) gpio_free(N8X0_SLOT_SWITCH_GPIO); - if (machine_is_nokia_n810()) { + if (board_is_n810()) { gpio_free(N810_EMMC_VSD_GPIO); gpio_free(N810_EMMC_VIO_GPIO); } @@ -465,13 +438,12 @@ static void n8x0_mmc_cleanup(struct device *dev) * MMC controller2 is not in use. */ static struct omap_mmc_platform_data mmc1_data = { - .nr_slots = 2, + .nr_slots = 0, .switch_slot = n8x0_mmc_switch_slot, .init = n8x0_mmc_late_init, .cleanup = n8x0_mmc_cleanup, .shutdown = n8x0_mmc_shutdown, .max_freq = 24000000, - .dma_mask = 0xffffffff, .slots[0] = { .wires = 4, .set_power = n8x0_mmc_set_power, @@ -506,7 +478,7 @@ static void __init n8x0_mmc_init(void) { int err; - if (machine_is_nokia_n810()) { + if (board_is_n810()) { mmc1_data.slots[0].name = "external"; /* @@ -524,7 +496,7 @@ static void __init n8x0_mmc_init(void) if (err) return; - if (machine_is_nokia_n810()) { + if (board_is_n810()) { err = gpio_request_array(n810_emmc_gpios, ARRAY_SIZE(n810_emmc_gpios)); if (err) { @@ -533,11 +505,11 @@ static void __init n8x0_mmc_init(void) } } + mmc1_data.nr_slots = 2; mmc_data[0] = &mmc1_data; - omap242x_init_mmc(mmc_data); } #else - +static struct omap_mmc_platform_data mmc1_data; void __init n8x0_mmc_init(void) { } @@ -557,8 +529,8 @@ static int n8x0_auto_sleep_regulators(void) ret = menelaus_set_regulator_sleep(1, val); if (ret < 0) { - printk(KERN_ERR "Could not set regulators to sleep on " - "menelaus: %u\n", ret); + pr_err("Could not set regulators to sleep on menelaus: %u\n", + ret); return ret; } return 0; @@ -570,8 +542,7 @@ static int n8x0_auto_voltage_scale(void) ret = menelaus_set_vcore_hw(1400, 1050); if (ret < 0) { - printk(KERN_ERR "Could not set VCORE voltage on " - "menelaus: %u\n", ret); + pr_err("Could not set VCORE voltage on menelaus: %u\n", ret); return ret; } return 0; @@ -604,7 +575,7 @@ static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = { { I2C_BOARD_INFO("menelaus", 0x72), - .irq = INT_24XX_SYS_NIRQ, + .irq = 7 + OMAP_INTC_START, .platform_data = &n8x0_menelaus_platform_data, }, }; @@ -620,105 +591,32 @@ static struct i2c_board_info n810_i2c_board_info_2[] __initdata = { }, }; -#ifdef CONFIG_OMAP_MUX -static struct omap_board_mux board_mux[] __initdata = { - /* I2S codec port pins for McBSP block */ - OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT), - OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT), - { .reg_offset = OMAP_MUX_TERMINATOR }, -}; - -static struct omap_device_pad serial2_pads[] __initdata = { - { - .name = "uart3_rx_irrx.uart3_rx_irrx", - .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, - .enable = OMAP_MUX_MODE0, - .idle = OMAP_MUX_MODE3 /* Mux as GPIO for idle */ - }, -}; - -static inline void board_serial_init(void) +static int __init n8x0_late_initcall(void) { - struct omap_board_data bdata; - - bdata.flags = 0; - bdata.pads = NULL; - bdata.pads_cnt = 0; - - bdata.id = 0; - omap_serial_init_port(&bdata, NULL); - - bdata.id = 1; - omap_serial_init_port(&bdata, NULL); + if (!board_caps) + return -ENODEV; - bdata.id = 2; - bdata.pads = serial2_pads; - bdata.pads_cnt = ARRAY_SIZE(serial2_pads); - omap_serial_init_port(&bdata, NULL); -} - -#else + n8x0_mmc_init(); + n8x0_usb_init(); -static inline void board_serial_init(void) -{ - omap_serial_init(); + return 0; } +omap_late_initcall(n8x0_late_initcall); -#endif - -static void __init n8x0_init_machine(void) +/* + * Legacy init pdata init for n8x0. Note that we want to follow the + * I2C bus numbering starting at 0 for device tree like other omaps. + */ +void * __init n8x0_legacy_init(void) { - omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC); - /* FIXME: add n810 spi devices */ + board_check_revision(); spi_register_board_info(n800_spi_board_info, ARRAY_SIZE(n800_spi_board_info)); - omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1, - ARRAY_SIZE(n8x0_i2c_board_info_1)); - omap_register_i2c_bus(2, 400, NULL, 0); - if (machine_is_nokia_n810()) - i2c_register_board_info(2, n810_i2c_board_info_2, + i2c_register_board_info(0, n8x0_i2c_board_info_1, + ARRAY_SIZE(n8x0_i2c_board_info_1)); + if (board_is_n810()) + i2c_register_board_info(1, n810_i2c_board_info_2, ARRAY_SIZE(n810_i2c_board_info_2)); - board_serial_init(); - omap_sdrc_init(NULL, NULL); - gpmc_onenand_init(board_onenand_data); - n8x0_mmc_init(); - n8x0_usb_init(); -} -MACHINE_START(NOKIA_N800, "Nokia N800") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END - -MACHINE_START(NOKIA_N810, "Nokia N810") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END - -MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") - .atag_offset = 0x100, - .reserve = omap_reserve, - .map_io = omap242x_map_io, - .init_early = omap2420_init_early, - .init_irq = omap2_init_irq, - .handle_irq = omap2_intc_handle_irq, - .init_machine = n8x0_init_machine, - .timer = &omap2_timer, - .restart = omap_prcm_restart, -MACHINE_END + return &mmc1_data; +} |