diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/mx6qsabresd/mx6qsabresd.c | 80 |
1 files changed, 74 insertions, 6 deletions
diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c index 0240fb5..65c4a1a 100644 --- a/board/freescale/mx6qsabresd/mx6qsabresd.c +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -86,6 +86,20 @@ static void setup_iomux_enet(void) gpio_set_value(IMX_GPIO_NR(1, 25), 1); } +iomux_v3_cfg_t const usdhc2_pads[] = { + MX6Q_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D4__USDHC2_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D5__USDHC2_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D6__USDHC2_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D7__USDHC2_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_NANDF_D2__GPIO_2_2 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + iomux_v3_cfg_t const usdhc3_pads[] = { MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -100,28 +114,82 @@ iomux_v3_cfg_t const usdhc3_pads[] = { MX6Q_PAD_NANDF_D0__GPIO_2_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; +iomux_v3_cfg_t const usdhc4_pads[] = { + MX6Q_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6Q_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #ifdef CONFIG_FSL_ESDHC -struct fsl_esdhc_cfg usdhc_cfg[1] = { +struct fsl_esdhc_cfg usdhc_cfg[3] = { + {USDHC2_BASE_ADDR}, {USDHC3_BASE_ADDR}, + {USDHC4_BASE_ADDR}, }; +#define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) +#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) + int board_mmc_getcd(struct mmc *mmc) { - gpio_direction_input(IMX_GPIO_NR(2, 0)); - return !gpio_get_value(IMX_GPIO_NR(2, 0)); + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + switch (cfg->esdhc_base) { + case USDHC2_BASE_ADDR: + return !gpio_get_value(USDHC2_CD_GPIO); + case USDHC3_BASE_ADDR: + return !gpio_get_value(USDHC3_CD_GPIO); + default: + return 1; /* eMMC/uSDHC4 is always present */ + } } int board_mmc_init(bd_t *bis) { - imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + int i; + + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + gpio_direction_input(USDHC2_CD_GPIO); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + gpio_direction_input(USDHC3_CD_GPIO); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + case 2: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) than supported by the board\n", i + 1); + return 0; + } + + if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) + printf("Warning: failed to initialize mmc dev %d\n", i); + } - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); + return 0; } #endif |