diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/sunxi/board.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 328334a..b05d0b9 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -14,6 +14,8 @@ #include <common.h> #include <asm/arch/clock.h> #include <asm/arch/dram.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> DECLARE_GLOBAL_DATA_PTR; @@ -43,6 +45,67 @@ int dram_init(void) return 0; } +#ifdef CONFIG_GENERIC_MMC +static void mmc_pinmux_setup(int sdc) +{ + unsigned int pin; + + switch (sdc) { + case 0: + /* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */ + for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) { + sunxi_gpio_set_cfgpin(pin, SUNXI_GPF0_SDC0); + sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); + sunxi_gpio_set_drv(pin, 2); + } + break; + + case 1: + /* CMD-PH22, CLK-PH23, D0~D3-PH24~27 : 5 */ + for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN4I_GPH22_SDC1); + sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); + sunxi_gpio_set_drv(pin, 2); + } + break; + + case 2: + /* CMD-PC6, CLK-PC7, D0-PC8, D1-PC9, D2-PC10, D3-PC11 */ + for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) { + sunxi_gpio_set_cfgpin(pin, SUNXI_GPC6_SDC2); + sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); + sunxi_gpio_set_drv(pin, 2); + } + break; + + case 3: + /* CMD-PI4, CLK-PI5, D0~D3-PI6~9 : 2 */ + for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN4I_GPI4_SDC3); + sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP); + sunxi_gpio_set_drv(pin, 2); + } + break; + + default: + printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc); + break; + } +} + +int board_mmc_init(bd_t *bis) +{ + mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT); + sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT); +#if !defined (CONFIG_SPL_BUILD) && defined (CONFIG_MMC_SUNXI_SLOT_EXTRA) + mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA); + sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA); +#endif + + return 0; +} +#endif + #ifdef CONFIG_SPL_BUILD void sunxi_board_init(void) { |