* [U-Boot] [PATCH 1/2] imx: mx6sl: Add IOMUX setting for USDHC1-3
@ 2014-10-13 7:51 Ye.Li
2014-10-13 7:51 ` [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots Ye.Li
0 siblings, 1 reply; 3+ messages in thread
From: Ye.Li @ 2014-10-13 7:51 UTC (permalink / raw
To: u-boot
Set the USDHC1-3 IOMUX settings which are used for mx6slevk board.
Signed-off-by: Ye.Li <B37916@freescale.com>
---
arch/arm/include/asm/arch-mx6/mx6sl_pins.h | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
index 045ccc4..d9db58c 100644
--- a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
+++ b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
@@ -14,12 +14,31 @@ enum {
MX6_PAD_ECSPI1_MOSI__ECSPI_MOSI = IOMUX_PAD(0x035C, 0x006C, 0, 0x0688, 0, 0),
MX6_PAD_ECSPI1_SCLK__ECSPI_SCLK = IOMUX_PAD(0x0360, 0x0070, 0, 0x067C, 0, 0),
MX6_PAD_ECSPI1_SS0__GPIO4_IO11 = IOMUX_PAD(0x0364, 0x0074, 5, 0x0000, 0, 0),
+ MX6_PAD_SD1_CLK__USDHC1_CLK = IOMUX_PAD(0x0534, 0x022C, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_CMD__USDHC1_CMD = IOMUX_PAD(0x0538, 0x0230, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT0__USDHC1_DAT0 = IOMUX_PAD(0x053C, 0x0234, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT1__USDHC1_DAT1 = IOMUX_PAD(0x0540, 0x0238, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT2__USDHC1_DAT2 = IOMUX_PAD(0x0544, 0x023C, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT3__USDHC1_DAT3 = IOMUX_PAD(0x0548, 0x0240, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT4__USDHC1_DAT4 = IOMUX_PAD(0x054C, 0x0244, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT5__USDHC1_DAT5 = IOMUX_PAD(0x0550, 0x0248, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT6__USDHC1_DAT6 = IOMUX_PAD(0x0554, 0x024C, 0, 0x0000, 0, 0),
+ MX6_PAD_SD1_DAT7__USDHC1_DAT7 = IOMUX_PAD(0x0558, 0x0250, 0, 0x0000, 0, 0),
+ MX6_PAD_KEY_ROW7__GPIO_4_7 = IOMUX_PAD(0x04B0, 0x01A8, 5, 0x0000, 0, 0),
MX6_PAD_SD2_CLK__USDHC2_CLK = IOMUX_PAD(0x055C, 0x0254, 0, 0x0000, 0, 0),
MX6_PAD_SD2_CMD__USDHC2_CMD = IOMUX_PAD(0x0560, 0x0258, 0, 0x0000, 0, 0),
MX6_PAD_SD2_DAT0__USDHC2_DAT0 = IOMUX_PAD(0x0564, 0x025C, 0, 0x0000, 0, 0),
MX6_PAD_SD2_DAT1__USDHC2_DAT1 = IOMUX_PAD(0x0568, 0x0260, 0, 0x0000, 0, 0),
MX6_PAD_SD2_DAT2__USDHC2_DAT2 = IOMUX_PAD(0x056C, 0x0264, 0, 0x0000, 0, 0),
MX6_PAD_SD2_DAT3__USDHC2_DAT3 = IOMUX_PAD(0x0570, 0x0268, 0, 0x0000, 0, 0),
+ MX6_PAD_SD2_DAT7__GPIO_5_0 = IOMUX_PAD(0x0580, 0x0278, 5, 0x0000, 0, 0),
+ MX6_PAD_SD3_CLK__USDHC3_CLK = IOMUX_PAD(0x0588, 0x0280, 0, 0x0000, 0, 0),
+ MX6_PAD_SD3_CMD__USDHC3_CMD = IOMUX_PAD(0x058C, 0x0284, 0, 0x0000, 0, 0),
+ MX6_PAD_SD3_DAT0__USDHC3_DAT0 = IOMUX_PAD(0x0590, 0x0288, 0, 0x0000, 0, 0),
+ MX6_PAD_SD3_DAT1__USDHC3_DAT1 = IOMUX_PAD(0x0594, 0x028C, 0, 0x0000, 0, 0),
+ MX6_PAD_SD3_DAT2__USDHC3_DAT2 = IOMUX_PAD(0x0598, 0x0290, 0, 0x0000, 0, 0),
+ MX6_PAD_SD3_DAT3__USDHC3_DAT3 = IOMUX_PAD(0x059C, 0x0294, 0, 0x0000, 0, 0),
+ MX6_PAD_REF_CLK_32K__GPIO_3_22 = IOMUX_PAD(0x0530, 0x0228, 5, 0x0000, 0, 0),
MX6_PAD_UART1_RXD__UART1_RXD = IOMUX_PAD(0x05A0, 0x0298, 0, 0x07FC, 0, 0),
MX6_PAD_UART1_TXD__UART1_TXD = IOMUX_PAD(0x05A4, 0x029C, 0, 0x0000, 0, 0),
--
1.7.4.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots
2014-10-13 7:51 [U-Boot] [PATCH 1/2] imx: mx6sl: Add IOMUX setting for USDHC1-3 Ye.Li
@ 2014-10-13 7:51 ` Ye.Li
2014-10-13 15:34 ` Fabio Estevam
0 siblings, 1 reply; 3+ messages in thread
From: Ye.Li @ 2014-10-13 7:51 UTC (permalink / raw
To: u-boot
There are three SD/MMC sockets on mx6slevk boards. Implements the
full support for them.
The default boot socket is USDHC2, so the MMC environment is set
to that device.
Signed-off-by: Ye.Li <B37916@freescale.com>
---
board/freescale/mx6slevk/mx6slevk.c | 101 ++++++++++++++++++++++++++++++++--
include/configs/mx6slevk.h | 6 ++-
2 files changed, 100 insertions(+), 7 deletions(-)
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index a990b4c..265811b 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -51,6 +51,23 @@ static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
};
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+ /* 8 bit SD */
+ MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT4__USDHC1_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT5__USDHC1_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT6__USDHC1_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD1_DAT7__USDHC1_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+ /*CD pin*/
+ MX6_PAD_KEY_ROW7__GPIO_4_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
@@ -58,6 +75,21 @@ static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+ /*CD pin*/
+ MX6_PAD_SD2_DAT7__GPIO_5_0 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+ /*CD pin*/
+ MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const fec_pads[] = {
@@ -103,21 +135,78 @@ static void setup_iomux_fec(void)
gpio_set_value(ETH_PHY_RESET, 1);
}
-static struct fsl_esdhc_cfg usdhc_cfg[1] = {
- {USDHC2_BASE_ADDR},
+#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
+#define USDHC2_CD_GPIO IMX_GPIO_NR(5, 0)
+#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22)
+
+static struct fsl_esdhc_cfg usdhc_cfg[3] = {
+ {USDHC1_BASE_ADDR},
+ {USDHC2_BASE_ADDR, 0, 4},
+ {USDHC3_BASE_ADDR, 0, 4},
};
int board_mmc_getcd(struct mmc *mmc)
{
- return 1; /* Assume boot SD always present */
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ switch (cfg->esdhc_base) {
+ case USDHC1_BASE_ADDR:
+ ret = !gpio_get_value(USDHC1_CD_GPIO);
+ break;
+ case USDHC2_BASE_ADDR:
+ ret = !gpio_get_value(USDHC2_CD_GPIO);
+ break;
+ case USDHC3_BASE_ADDR:
+ ret = !gpio_get_value(USDHC3_CD_GPIO);
+ break;
+ }
+
+ return ret;
}
int board_mmc_init(bd_t *bis)
{
- imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ int i;
+
+ /*
+ * According to the board_mmc_init() the following map is done:
+ * (U-boot device node) (Physical Port)
+ * mmc0 USDHC1
+ * mmc1 USDHC2
+ * mmc2 USDHC3
+ */
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+ gpio_direction_input(USDHC1_CD_GPIO);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ gpio_direction_input(USDHC2_CD_GPIO);
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ break;
+ case 2:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ gpio_direction_input(USDHC3_CD_GPIO);
+ usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_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_ESDHC2_CLK);
- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+ return 0;
}
#ifdef CONFIG_FEC_MXC
diff --git a/include/configs/mx6slevk.h b/include/configs/mx6slevk.h
index 55b983c..65b4e3d 100644
--- a/include/configs/mx6slevk.h
+++ b/include/configs/mx6slevk.h
@@ -190,7 +190,6 @@
#define CONFIG_ENV_OFFSET (6 * SZ_64K)
#define CONFIG_ENV_SIZE SZ_8K
#define CONFIG_ENV_IS_IN_MMC
-#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
@@ -210,4 +209,9 @@
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
#endif
+#define CONFIG_SYS_FSL_USDHC_NUM 3
+#if defined(CONFIG_ENV_IS_IN_MMC)
+#define CONFIG_SYS_MMC_ENV_DEV 1 /* SDHC2*/
+#endif
+
#endif /* __CONFIG_H */
--
1.7.4.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots
2014-10-13 7:51 ` [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots Ye.Li
@ 2014-10-13 15:34 ` Fabio Estevam
0 siblings, 0 replies; 3+ messages in thread
From: Fabio Estevam @ 2014-10-13 15:34 UTC (permalink / raw
To: u-boot
On Mon, Oct 13, 2014 at 4:51 AM, Ye.Li <B37916@freescale.com> wrote:
> int board_mmc_init(bd_t *bis)
> {
> - imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
> + int i;
> +
> + /*
> + * According to the board_mmc_init() the following map is done:
> + * (U-boot device node) (Physical Port)
> + * mmc0 USDHC1
> + * mmc1 USDHC2
> + * mmc2 USDHC3
> + */
> + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
> + switch (i) {
> + case 0:
> + imx_iomux_v3_setup_multiple_pads(
> + usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
> + gpio_direction_input(USDHC1_CD_GPIO);
> + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
> + break;
> + case 1:
> + imx_iomux_v3_setup_multiple_pads(
> + usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
> + gpio_direction_input(USDHC2_CD_GPIO);
> + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
> + break;
> + case 2:
> + imx_iomux_v3_setup_multiple_pads(
> + usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
> + gpio_direction_input(USDHC3_CD_GPIO);
> + usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
> + break;
> + default:
> + printf("Warning: you configured more USDHC controllers"
> + "(%d) than supported by the board\n", i + 1);
> + return 0;
No, you should 'return -EINVAL' here.
> + }
> +
> + if (fsl_esdhc_initialize(bis, &usdhc_cfg[i]))
> + printf("Warning: failed to initialize mmc dev %d\n", i);
> + }
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i])
if (ret) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-10-13 7:51 [U-Boot] [PATCH 1/2] imx: mx6sl: Add IOMUX setting for USDHC1-3 Ye.Li
2014-10-13 7:51 ` [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots Ye.Li
2014-10-13 15:34 ` Fabio Estevam
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