diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-h2.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-h2.c | 124 |
1 files changed, 121 insertions, 3 deletions
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index 48c8c9195dc..b0921622566 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -20,22 +20,23 @@ */ #include <linux/kernel.h> -#include <linux/init.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/i2c.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> #include <linux/input.h> -#include <linux/workqueue.h> #include <asm/hardware.h> +#include <asm/gpio.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> -#include <asm/arch/gpio.h> +#include <asm/arch/tps65010.h> #include <asm/arch/mux.h> #include <asm/arch/tc.h> #include <asm/arch/irda.h> @@ -139,6 +140,66 @@ static struct platform_device h2_nor_device = { .resource = &h2_nor_resource, }; +#if 0 /* REVISIT: Enable when nand_platform_data is applied */ + +static struct mtd_partition h2_nand_partitions[] = { +#if 0 + /* REVISIT: enable these partitions if you make NAND BOOT + * work on your H2 (rev C or newer); published versions of + * x-load only support P2 and H3. + */ + { + .name = "xloader", + .offset = 0, + .size = 64 * 1024, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "bootloader", + .offset = MTDPART_OFS_APPEND, + .size = 256 * 1024, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = 192 * 1024, + }, + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = 2 * SZ_1M, + }, +#endif + { + .name = "filesystem", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + }, +}; + +/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */ +static struct nand_platform_data h2_nand_data = { + .options = NAND_SAMSUNG_LP_OPTIONS, + .parts = h2_nand_partitions, + .nr_parts = ARRAY_SIZE(h2_nand_partitions), +}; + +static struct resource h2_nand_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device h2_nand_device = { + .name = "omapnand", + .id = 0, + .dev = { + .platform_data = &h2_nand_data, + }, + .num_resources = 1, + .resource = &h2_nand_resource, +}; +#endif + static struct resource h2_smc91x_resources[] = { [0] = { .start = OMAP1610_ETHR_START, /* Physical */ @@ -218,11 +279,15 @@ static struct resource h2_irda_resources[] = { .flags = IORESOURCE_IRQ, }, }; + +static u64 irda_dmamask = 0xffffffff; + static struct platform_device h2_irda_device = { .name = "omapirda", .id = 0, .dev = { .platform_data = &h2_irda_data, + .dma_mask = &irda_dmamask, }, .num_resources = ARRAY_SIZE(h2_irda_resources), .resource = h2_irda_resources, @@ -270,6 +335,7 @@ static struct platform_device h2_mcbsp1_device = { static struct platform_device *h2_devices[] __initdata = { &h2_nor_device, + //&h2_nand_device, &h2_smc91x_device, &h2_irda_device, &h2_kp_device, @@ -277,6 +343,20 @@ static struct platform_device *h2_devices[] __initdata = { &h2_mcbsp1_device, }; +static struct i2c_board_info __initdata h2_i2c_board_info[] = { + { + I2C_BOARD_INFO("tps65010", 0x48), + .type = "tps65010", + .irq = OMAP_GPIO_IRQ(58), + }, + /* TODO when driver support is ready: + * - isp1301 OTG transceiver + * - optional ov9640 camera sensor at 0x30 + * - pcf9754 for aGPS control + * - ... etc + */ +}; + static void __init h2_init_smc91x(void) { if ((omap_request_gpio(0)) < 0) { @@ -333,6 +413,13 @@ static struct omap_board_config_kernel h2_config[] __initdata = { { OMAP_TAG_LCD, &h2_lcd_config }, }; +#define H2_NAND_RB_GPIO_PIN 62 + +static int h2_nand_dev_ready(struct nand_platform_data *data) +{ + return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN); +} + static void __init h2_init(void) { /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped @@ -347,6 +434,13 @@ static void __init h2_init(void) h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys(); h2_nor_resource.end += SZ_32M - 1; +#if 0 /* REVISIT: Enable when nand_platform_data is applied */ + h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS; + h2_nand_resource.end += SZ_4K - 1; + if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN))) + h2_nand_data.dev_ready = h2_nand_dev_ready; +#endif + omap_cfg_reg(L3_1610_FLASH_CS2B_OE); omap_cfg_reg(M8_1610_FLASH_CS2B_WE); @@ -367,6 +461,14 @@ static void __init h2_init(void) omap_board_config = h2_config; omap_board_config_size = ARRAY_SIZE(h2_config); omap_serial_init(); + + /* irq for tps65010 chip */ + omap_cfg_reg(W4_GPIO58); + if (gpio_request(58, "tps65010") == 0) + gpio_direction_input(58); + + i2c_register_board_info(1, h2_i2c_board_info, + ARRAY_SIZE(h2_i2c_board_info)); } static void __init h2_map_io(void) @@ -374,6 +476,22 @@ static void __init h2_map_io(void) omap1_map_common_io(); } +#ifdef CONFIG_TPS65010 +static int __init h2_tps_init(void) +{ + if (!machine_is_omap_h2()) + return 0; + + /* gpio3 for SD, gpio4 for VDD_DSP */ + /* FIXME send power to DSP iff it's configured */ + + /* Enable LOW_PWR */ + tps65010_set_low_pwr(ON); + return 0; +} +fs_initcall(h2_tps_init); +#endif + MACHINE_START(OMAP_H2, "TI-H2") /* Maintainer: Imre Deak <imre.deak@nokia.com> */ .phys_io = 0xfff00000, |