diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 88 |
1 files changed, 39 insertions, 49 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 04816c9..7491529 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -24,6 +24,8 @@ #include <linux/i2c/twl.h> #include <linux/mmc/host.h> +#include <linux/mtd/nand.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -39,6 +41,8 @@ #include "hsmmc.h" #include "sdram-numonyx-m65kxxxxam.h" #include "common-board-devices.h" +#include "board-flash.h" +#include "control.h" #define IGEP2_SMSC911X_CS 5 #define IGEP2_SMSC911X_GPIO 176 @@ -60,6 +64,10 @@ #define IGEP3_GPIO_LED1_RED 16 #define IGEP3_GPIO_USBH_NRESET 183 +#define IGEP_SYSBOOT_MASK 0x1f +#define IGEP_SYSBOOT_NAND 0x0f +#define IGEP_SYSBOOT_ONENAND 0x10 + /* * IGEP2 Hardware Revision Table * @@ -110,8 +118,10 @@ static void __init igep2_get_revision(void) gpio_free(IGEP2_GPIO_LED1_RED); } -#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ - defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) +#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ + defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) || \ + defined(CONFIG_MTD_NAND_OMAP2) || \ + defined(CONFIG_MTD_NAND_OMAP2_MODULE) #define ONENAND_MAP 0x20000000 @@ -123,7 +133,7 @@ static void __init igep2_get_revision(void) * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048) */ -static struct mtd_partition igep_onenand_partitions[] = { +static struct mtd_partition igep_flash_partitions[] = { { .name = "X-Loader", .offset = 0, @@ -151,50 +161,28 @@ static struct mtd_partition igep_onenand_partitions[] = { }, }; -static struct omap_onenand_platform_data igep_onenand_data = { - .parts = igep_onenand_partitions, - .nr_parts = ARRAY_SIZE(igep_onenand_partitions), - .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */ -}; - -static struct platform_device igep_onenand_device = { - .name = "omap2-onenand", - .id = -1, - .dev = { - .platform_data = &igep_onenand_data, - }, -}; +static inline u32 igep_get_sysboot_value(void) +{ + return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK; +} static void __init igep_flash_init(void) { - u8 cs = 0; - u8 onenandcs = GPMC_CS_NUM + 1; - - for (cs = 0; cs < GPMC_CS_NUM; cs++) { - u32 ret; - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); - - /* Check if NAND/oneNAND is configured */ - if ((ret & 0xC00) == 0x800) - /* NAND found */ - pr_err("IGEP: Unsupported NAND found\n"); - else { - ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7); - if ((ret & 0x3F) == (ONENAND_MAP >> 24)) - /* ONENAND found */ - onenandcs = cs; - } - } - - if (onenandcs > GPMC_CS_NUM) { - pr_err("IGEP: Unable to find configuration in GPMC\n"); - return; + u32 mux; + mux = igep_get_sysboot_value(); + + if (mux == IGEP_SYSBOOT_NAND) { + pr_info("IGEP: initializing NAND memory device\n"); + board_nand_init(igep_flash_partitions, + ARRAY_SIZE(igep_flash_partitions), + 0, NAND_BUSWIDTH_16); + } else if (mux == IGEP_SYSBOOT_ONENAND) { + pr_info("IGEP: initializing OneNAND memory device\n"); + board_onenand_init(igep_flash_partitions, + ARRAY_SIZE(igep_flash_partitions), 0); + } else { + pr_err("IGEP: Flash: unsupported sysboot sequence found\n"); } - - igep_onenand_data.cs = onenandcs; - - if (platform_device_register(&igep_onenand_device) < 0) - pr_err("IGEP: Unable to register OneNAND device\n"); } #else @@ -519,7 +507,10 @@ static void __init igep_i2c_init(void) { int ret; - omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB, 0); + omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB, + TWL_COMMON_REGULATOR_VPLL2); + igep_twldata.vpll2->constraints.apply_uV = true; + igep_twldata.vpll2->constraints.name = "VDVI"; if (machine_is_igep0020()) { /* @@ -533,10 +524,7 @@ static void __init igep_i2c_init(void) igep_twldata.keypad = &igep2_keypad_pdata; /* Get common pmic data */ - omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, - TWL_COMMON_REGULATOR_VPLL2); - igep_twldata.vpll2->constraints.apply_uV = true; - igep_twldata.vpll2->constraints.name = "VDVI"; + omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0); } omap3_pmic_init("twl4030", &igep_twldata); @@ -620,7 +608,7 @@ static struct regulator_consumer_supply dummy_supplies[] = { static void __init igep_init(void) { - regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies)); omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); /* Get IGEP2 hardware revision */ @@ -662,6 +650,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board") .init_irq = omap3_init_irq, .handle_irq = omap3_intc_handle_irq, .init_machine = igep_init, + .init_late = omap35xx_init_late, .timer = &omap3_timer, .restart = omap_prcm_restart, MACHINE_END @@ -674,6 +663,7 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 module") .init_irq = omap3_init_irq, .handle_irq = omap3_intc_handle_irq, .init_machine = igep_init, + .init_late = omap35xx_init_late, .timer = &omap3_timer, .restart = omap_prcm_restart, MACHINE_END |
