This change allow to use sd card on Goni the same like mmc 0. SD card is mmc dev 1, so it can be used like this: "fatls mmc 1:2". SD card is inited even if eMMC initialization fails.
Signed-off-by: Przemyslaw Marczak p.marczak@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com CC: Minkyu Kang mk7.kang@samsung.com --- board/samsung/goni/goni.c | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-)
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c index 5b3d6ef..d63e902 100644 --- a/board/samsung/goni/goni.c +++ b/board/samsung/goni/goni.c @@ -72,7 +72,7 @@ int checkboard(void) #ifdef CONFIG_GENERIC_MMC int board_mmc_init(bd_t *bis) { - int i; + int i, ret, ret_sd = 0;
/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1); @@ -95,7 +95,36 @@ int board_mmc_init(bd_t *bis) s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); }
- return s5p_mmc_init(0, 4); + ret = s5p_mmc_init(0, 4); + if (ret) + puts("MMC: Failed to init MMC:0.\n"); + + /* + * SD card (T_FLASH) detect and init + * T_FLASH_DETECT: EINT28: GPH3[4] input mode + */ + s5p_gpio_cfg_pin(&s5pc110_gpio->h3, 4, GPIO_INPUT); + s5p_gpio_set_pull(&s5pc110_gpio->h3, 4, GPIO_PULL_UP); + + if (!s5p_gpio_get_value(&s5pc110_gpio->h3, 4)) { + for (i = 0; i < 7; i++) { + if (i == 2) + continue; + + /* GPG2[0:6] special function 2 */ + s5p_gpio_cfg_pin(&s5pc110_gpio->g2, i, 0x2); + /* GPG2[0:6] pull disable */ + s5p_gpio_set_pull(&s5pc110_gpio->g2, i, GPIO_PULL_NONE); + /* GPG2[0:6] drv 4x */ + s5p_gpio_set_drv(&s5pc110_gpio->g2, i, GPIO_DRV_4X); + } + + ret_sd = s5p_mmc_init(2, 4) + if (ret_sd) + puts("MMC: Failed to init SD card (MMC:2).\n"); + } + + return ret | ret_sd; } #endif