diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-n8x0.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-n8x0.c | 258 |
1 files changed, 88 insertions, 170 deletions
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index e823c7042ab..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 <plat/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 "common.h" +#include "mmc.h" +#include "soc.h" +#include "gpmc-onenand.h" #define TUSB6010_ASYNC_CS 1 #define TUSB6010_SYNC_CS 4 @@ -46,8 +40,32 @@ static struct device *mmc_device; #define TUSB6010_GPIO_ENABLE 0 #define TUSB6010_DMACHAN 0x3f -#if defined(CONFIG_USB_TUSB6010) || \ - defined(CONFIG_USB_TUSB6010_MODULE) +#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 * 1.5 V voltage regulators of PM companion chip. Companion chip will then @@ -88,13 +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 */ @@ -107,14 +119,13 @@ static void __init n8x0_usb_init(void) static char announce[] __initdata = KERN_INFO "TUSB 6010\n"; /* PM companion chip power control pin */ - ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable"); + ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW, + "TUSB6010 enable"); if (ret != 0) { printk(KERN_ERR "Could not get TUSB power GPIO%i\n", TUSB6010_GPIO_ENABLE); return; } - gpio_direction_output(TUSB6010_GPIO_ENABLE, 0); - tusb_set_power(0); ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2, @@ -134,12 +145,11 @@ err: static void __init n8x0_usb_init(void) {} -#endif /*CONFIG_USB_TUSB6010 */ +#endif /*CONFIG_USB_MUSB_TUSB6010 */ 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 = { @@ -152,57 +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, -}; - -static void __init n8x0_onenand_init(void) -{ - gpmc_onenand_init(&board_onenand_data); -} - -#else - -static void __init n8x0_onenand_init(void) {} - -#endif - #if defined(CONFIG_MENELAUS) && \ (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)) @@ -221,6 +180,10 @@ static void __init n8x0_onenand_init(void) {} #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 @@ -320,7 +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); @@ -366,7 +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; @@ -381,7 +344,11 @@ static void n8x0_mmc_callback(void *data, u8 card_mask) else *openp = 0; +#ifdef CONFIG_MMC_OMAP omap_mmc_notify_cover_event(mmc_device, index, *openp); +#else + pr_warn("MMC: notify cover event not available\n"); +#endif } static int n8x0_mmc_late_init(struct device *dev) @@ -395,7 +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; @@ -418,7 +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 { @@ -445,7 +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; @@ -460,7 +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); } @@ -471,13 +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, @@ -503,12 +469,16 @@ static struct omap_mmc_platform_data mmc1_data = { static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC]; -static void __init n8x0_mmc_init(void) +static struct gpio n810_emmc_gpios[] __initdata = { + { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" }, + { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" }, +}; +static void __init n8x0_mmc_init(void) { int err; - if (machine_is_nokia_n810()) { + if (board_is_n810()) { mmc1_data.slots[0].name = "external"; /* @@ -521,34 +491,25 @@ static void __init n8x0_mmc_init(void) mmc1_data.slots[1].ban_openended = 1; } - err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch"); + err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW, + "MMC slot switch"); if (err) return; - gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0); - - if (machine_is_nokia_n810()) { - err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf"); - if (err) { - gpio_free(N8X0_SLOT_SWITCH_GPIO); - return; - } - gpio_direction_output(N810_EMMC_VSD_GPIO, 0); - - err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd"); + if (board_is_n810()) { + err = gpio_request_array(n810_emmc_gpios, + ARRAY_SIZE(n810_emmc_gpios)); if (err) { gpio_free(N8X0_SLOT_SWITCH_GPIO); - gpio_free(N810_EMMC_VSD_GPIO); return; } - gpio_direction_output(N810_EMMC_VIO_GPIO, 0); } + mmc1_data.nr_slots = 2; mmc_data[0] = &mmc1_data; - omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC); } #else - +static struct omap_mmc_platform_data mmc1_data; void __init n8x0_mmc_init(void) { } @@ -568,8 +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; @@ -581,8 +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; @@ -615,7 +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, }, }; @@ -631,74 +591,32 @@ static struct i2c_board_info n810_i2c_board_info_2[] __initdata = { }, }; -static void __init n8x0_map_io(void) +static int __init n8x0_late_initcall(void) { - omap2_set_globals_242x(); - omap242x_map_common_io(); -} + if (!board_caps) + return -ENODEV; -static void __init n8x0_init_irq(void) -{ - omap2_init_common_hw(NULL, NULL); - omap_init_irq(); - omap_gpio_init(); -} + n8x0_mmc_init(); + n8x0_usb_init(); -#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 }, -}; -#else -#define board_mux NULL -#endif + return 0; +} +omap_late_initcall(n8x0_late_initcall); -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)); - omap_serial_init(); - n8x0_onenand_init(); - n8x0_mmc_init(); - n8x0_usb_init(); + return &mmc1_data; } - -MACHINE_START(NOKIA_N800, "Nokia N800") - .boot_params = 0x80000100, - .map_io = n8x0_map_io, - .reserve = omap_reserve, - .init_irq = n8x0_init_irq, - .init_machine = n8x0_init_machine, - .timer = &omap_timer, -MACHINE_END - -MACHINE_START(NOKIA_N810, "Nokia N810") - .boot_params = 0x80000100, - .map_io = n8x0_map_io, - .reserve = omap_reserve, - .init_irq = n8x0_init_irq, - .init_machine = n8x0_init_machine, - .timer = &omap_timer, -MACHINE_END - -MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") - .boot_params = 0x80000100, - .map_io = n8x0_map_io, - .reserve = omap_reserve, - .init_irq = n8x0_init_irq, - .init_machine = n8x0_init_machine, - .timer = &omap_timer, -MACHINE_END |