diff options
Diffstat (limited to 'board/cm_t35/cm_t35.c')
| -rw-r--r-- | board/cm_t35/cm_t35.c | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c index edbb94198..629ce4a50 100644 --- a/board/cm_t35/cm_t35.c +++ b/board/cm_t35/cm_t35.c @@ -33,7 +33,10 @@ #include <net.h> #include <i2c.h> #include <usb.h> +#include <mmc.h> +#include <nand.h> #include <twl4030.h> +#include <bmp_layout.h> #include <linux/compiler.h> #include <asm/io.h> @@ -75,6 +78,65 @@ static u32 gpmc_nand_config[GPMC_MAX_REG] = { 0, }; +#ifdef CONFIG_LCD +#ifdef CONFIG_CMD_NAND +static int splash_load_from_nand(u32 bmp_load_addr) +{ + struct bmp_header *bmp_hdr; + int res, splash_screen_nand_offset = 0x100000; + size_t bmp_size, bmp_header_size = sizeof(struct bmp_header); + + if (bmp_load_addr + bmp_header_size >= gd->start_addr_sp) + goto splash_address_too_high; + + res = nand_read_skip_bad(&nand_info[nand_curr_device], + splash_screen_nand_offset, &bmp_header_size, + (u_char *)bmp_load_addr); + if (res < 0) + return res; + + bmp_hdr = (struct bmp_header *)bmp_load_addr; + bmp_size = le32_to_cpu(bmp_hdr->file_size); + + if (bmp_load_addr + bmp_size >= gd->start_addr_sp) + goto splash_address_too_high; + + return nand_read_skip_bad(&nand_info[nand_curr_device], + splash_screen_nand_offset, &bmp_size, + (u_char *)bmp_load_addr); + +splash_address_too_high: + printf("Error: splashimage address too high. Data overwrites U-Boot " + "and/or placed beyond DRAM boundaries.\n"); + + return -1; +} +#else +static inline int splash_load_from_nand(void) +{ + return -1; +} +#endif /* CONFIG_CMD_NAND */ + +int board_splash_screen_prepare(void) +{ + char *env_splashimage_value; + u32 bmp_load_addr; + + env_splashimage_value = getenv("splashimage"); + if (env_splashimage_value == NULL) + return -1; + + bmp_load_addr = simple_strtoul(env_splashimage_value, 0, 16); + if (bmp_load_addr == 0) { + printf("Error: bad splashimage address specified\n"); + return -1; + } + + return splash_load_from_nand(bmp_load_addr); +} +#endif /* CONFIG_LCD */ + /* * Routine: board_init * Description: hardware init. @@ -216,6 +278,9 @@ static void cm_t3x_set_common_muxconf(void) /* SB-T35 Ethernet */ MUX_VAL(CP(GPMC_NCS4), (IEN | PTU | EN | M0)); /*GPMC_nCS4*/ + /* DVI enable */ + MUX_VAL(CP(GPMC_NCS3), (IDIS | PTU | DIS | M4));/*GPMC_nCS3*/ + /* CM-T3x Ethernet */ MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M0)); /*GPMC_nCS5*/ MUX_VAL(CP(GPMC_CLK), (IEN | PTD | DIS | M4)); /*GPIO_59*/ @@ -377,9 +442,19 @@ void set_muxconf_regs(void) } #ifdef CONFIG_GENERIC_MMC +int board_mmc_getcd(struct mmc *mmc) +{ + u8 val; + + if (twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, &val, TWL4030_BASEADD_GPIO)) + return -1; + + return !(val & 1); +} + int board_mmc_init(bd_t *bis) { - return omap_mmc_init(0, 0, 0); + return omap_mmc_init(0, 0, 0, -1, 59); } #endif |