Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: - New patch

Changes in v2: None

board/freescale/mx6qsabresd/mx6qsabresd.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c index 0d7cb9e..bf9beef 100644 --- a/board/freescale/mx6qsabresd/mx6qsabresd.c +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -166,6 +166,7 @@ int board_mmc_getcd(struct mmc *mmc)

int board_mmc_init(bd_t *bis) { + s32 status = 0; int i;

/* @@ -196,15 +197,15 @@ int board_mmc_init(bd_t *bis) break; default: printf("Warning: you configured more USDHC controllers" - "(%d) than supported by the board\n", i + 1); - return 0; - } + "(%d) then supported by the board (%d)\n", + i + 1, CONFIG_SYS_FSL_USDHC_NUM); + return status; + }

- if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) - printf("Warning: failed to initialize mmc dev %d\n", i); + status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]); }

- return 0; + return status; } #endif

This makes environment and mmcdev/mmcpart in sync with SYS_MMC_ENV_DEV and SYS_MMC_ENV_PART settings.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: - New patch

Changes in v2: None

include/configs/wandboard.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h index 120e3f6..bd3e727 100644 --- a/include/configs/wandboard.h +++ b/include/configs/wandboard.h @@ -97,8 +97,8 @@ "fdt_addr=0x11000000\0" \ "boot_fdt=try\0" \ "ip_dyn=yes\0" \ - "mmcdev=0\0" \ - "mmcpart=2\0" \ + "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \ + "mmcpart=" __stringify(CONFIG_SYS_MMC_ENV_PART) "\0" \ "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ "mmcargs=setenv bootargs console=${console},${baudrate} " \ "root=${mmcroot}\0" \ @@ -198,6 +198,7 @@ #define CONFIG_ENV_IS_IN_MMC #define CONFIG_ENV_OFFSET (6 * 64 * 1024) #define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_SYS_MMC_ENV_PART 2

#define CONFIG_OF_LIBFDT #define CONFIG_CMD_BOOTZ

This allow for easy update of firmware in the SD card from a running U-Boot.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: - New patch

Changes in v2: None

include/configs/wandboard.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)

diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h index bd3e727..0dc3286 100644 --- a/include/configs/wandboard.h +++ b/include/configs/wandboard.h @@ -47,6 +47,8 @@

#undef CONFIG_CMD_IMLS

+#define CONFIG_CMD_SETEXPR + #define CONFIG_BOOTDELAY 5

#define CONFIG_SYS_MEMTEST_START 0x10000000 @@ -100,6 +102,20 @@ "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \ "mmcpart=" __stringify(CONFIG_SYS_MMC_ENV_PART) "\0" \ "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ + "update_sd_firmware_filename=u-boot.imx\0" \ + "update_sd_firmware=" \ + "if test ${ip_dyn} = yes; then " \ + "setenv get_cmd dhcp; " \ + "else " \ + "setenv get_cmd tftp; " \ + "fi; " \ + "if mmc dev ${mmcdev}; then " \ + "if ${get_cmd} ${update_sd_firmware_filename}; then " \ + "setexpr fw_sz ${filesize} / 0x200; " \ + "setexpr fw_sz ${fw_sz} + 1; " \ + "mmc write ${loadaddr} 0x2 ${fw_sz}; " \ + "fi; " \ + "fi\0" \ "mmcargs=setenv bootargs console=${console},${baudrate} " \ "root=${mmcroot}\0" \ "loadbootscript=" \

This add support to identify if the card is connected or not; so it does not try to communicate with the controller if no card is available.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: - Move GPIO definition to the top

Changes in v2: None

arch/arm/include/asm/arch-mx6/mx6dl_pins.h | 1 + board/wandboard/wandboard.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+)

diff --git a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h index 9846f1b..b8e6bf0 100644 --- a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h +++ b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h @@ -93,6 +93,7 @@ enum { MX6_PAD_EIM_D28__I2C1_SDA = IOMUX_PAD(0x0544, 0x0174, 1 | IOMUX_CONFIG_SION, 0x086C, 1, 0), MX6_PAD_EIM_D28__GPIO_3_28 = IOMUX_PAD(0x0544, 0x0174, 5, 0x0000, 0, 0), MX6_PAD_EIM_D29__GPIO_3_29 = IOMUX_PAD(0x0548, 0x0178, 5, 0x0000, 0, 0), + MX6_PAD_EIM_DA9__GPIO_3_9 = IOMUX_PAD(0x0590, 0x01C0, 5, 0x0000, 0, 0), MX6_PAD_ENET_MDC__ENET_MDC = IOMUX_PAD(0x05B8, 0x01E8, 1, 0x0000, 0, 0), MX6_PAD_ENET_MDIO__ENET_MDIO = IOMUX_PAD(0x05BC, 0x01EC, 1, 0x0810, 0, 0), MX6_PAD_ENET_REF_CLK__ENET_TX_CLK = IOMUX_PAD(0x05C0, 0x01F0, 1, 0x0000, 0, 0), diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index ac7b89a..8ec7eb9 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -38,6 +38,7 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS)

+#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 9) #define ETH_PHY_RESET IMX_GPIO_NR(3, 29)

int dram_init(void) @@ -59,6 +60,8 @@ static iomux_v3_cfg_t const usdhc3_pads[] = { 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), + /* SOM MicroSD Card Detect */ + MX6_PAD_EIM_DA9__GPIO_3_9 | MUX_PAD_CTRL(NO_PAD_CTRL), };

static iomux_v3_cfg_t const enet_pads[] = { @@ -100,12 +103,27 @@ static struct fsl_esdhc_cfg usdhc_cfg[1] = { {USDHC3_BASE_ADDR}, };

+int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + 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(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));

usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[0].max_bus_width = 4; + gpio_direction_input(USDHC3_CD_GPIO);

return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); }

Allow use of the carrier board MicroSD card available in the Wandboard; this allow for loading alternative system from the other card for testing or upgrade proposes.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: - Improve commit log - Reword comment about the 'mmc' mapping - Rework code which initialize mmc - Move GPIO definition to the top

Changes in v2: - Return -EINVAL when trying to initialize a wrong controller

arch/arm/include/asm/arch-mx6/mx6dl_pins.h | 7 ++++ board/wandboard/wandboard.c | 59 ++++++++++++++++++++++++++---- include/configs/wandboard.h | 1 + 3 files changed, 60 insertions(+), 7 deletions(-)

diff --git a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h index b8e6bf0..8cedbdc 100644 --- a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h +++ b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h @@ -103,6 +103,7 @@ enum { MX6_PAD_GPIO_17__GPIO_7_12 = IOMUX_PAD(0x05E8, 0x0218, 5, 0x0000, 0, 0), MX6_PAD_GPIO_18__GPIO_7_13 = IOMUX_PAD(0x05EC, 0x021C, 5, 0x0000, 0, 0), MX6_PAD_GPIO_19__GPIO_4_5 = IOMUX_PAD(0x05F0, 0x0220, 5, 0x0000, 0, 0), + MX6_PAD_GPIO_2__GPIO_1_2 = IOMUX_PAD(0x05F4, 0x0224, 5, 0x0000, 0, 0), MX6_PAD_GPIO_5__GPIO_1_5 = IOMUX_PAD(0x0600, 0x0230, 5, 0x0000, 0, 0), MX6_PAD_GPIO_5__I2C3_SCL = IOMUX_PAD(0x0600, 0x0230, 6 | IOMUX_CONFIG_SION, 0x0878, 2, 0), MX6_PAD_KEY_COL3__I2C2_SCL = IOMUX_PAD(0x0638, 0x0250, 4 | IOMUX_CONFIG_SION, 0x0870, 1, 0), @@ -135,8 +136,14 @@ enum { MX6_PAD_RGMII_TD3__ENET_RGMII_TD3 = IOMUX_PAD(0x06B8, 0x02D0, 1, 0x0000, 0, 0), MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL = IOMUX_PAD(0x06BC, 0x02D4, 1, 0x0000, 0, 0), MX6_PAD_RGMII_TXC__ENET_RGMII_TXC = IOMUX_PAD(0x06C0, 0x02D8, 1, 0x0000, 0, 0), + MX6_PAD_SD1_CLK__USDHC1_CLK = IOMUX_PAD(0x06C4, 0x02DC, 0, 0x0928, 1, 0), + MX6_PAD_SD1_CMD__USDHC1_CMD = IOMUX_PAD(0x06C8, 0x02E0, 0 | IOMUX_CONFIG_SION, 0x0000, 0, 0), MX6_PAD_SD1_CMD__GPIO_1_18 = IOMUX_PAD(0x06C8, 0x02E0, 5, 0x0000, 0, 0), MX6_PAD_SD1_DAT3__GPIO_1_21 = IOMUX_PAD(0x06D8, 0x02F0, 5, 0x0000, 0, 0), + MX6_PAD_SD1_DAT0__USDHC1_DAT0 = IOMUX_PAD(0x06CC, 0x02E4, 0, 0x0000, 0, 0), + MX6_PAD_SD1_DAT1__USDHC1_DAT1 = IOMUX_PAD(0x06D0, 0x02E8, 0, 0x0000, 0, 0), + MX6_PAD_SD1_DAT2__USDHC1_DAT2 = IOMUX_PAD(0x06D4, 0x02EC, 0, 0x0000, 0, 0), + MX6_PAD_SD1_DAT3__USDHC1_DAT3 = IOMUX_PAD(0x06D8, 0x02F0, 0, 0x0000, 0, 0), MX6_PAD_SD3_CLK__USDHC3_CLK = IOMUX_PAD(0x06F4, 0x030C, 0, 0x0934, 1, 0), MX6_PAD_SD3_CMD__USDHC3_CMD = IOMUX_PAD(0x06F8, 0x0310, 0 | IOMUX_CONFIG_SION, 0x0000, 0, 0), MX6_PAD_SD3_DAT0__USDHC3_DAT0 = IOMUX_PAD(0x06FC, 0x0314, 0, 0x0000, 0, 0), diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index 8ec7eb9..2bf121c 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -38,6 +38,7 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS)

+#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(3, 9) #define ETH_PHY_RESET IMX_GPIO_NR(3, 29)

@@ -53,6 +54,17 @@ static iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), };

+iomux_v3_cfg_t const usdhc1_pads[] = { + 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), + /* Carrier MicroSD Card Detect */ + MX6_PAD_GPIO_2__GPIO_1_2 | 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), @@ -99,8 +111,9 @@ static void setup_iomux_enet(void) gpio_set_value(ETH_PHY_RESET, 1); }

-static struct fsl_esdhc_cfg usdhc_cfg[1] = { +static struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC3_BASE_ADDR}, + {USDHC1_BASE_ADDR}, };

int board_mmc_getcd(struct mmc *mmc) @@ -109,6 +122,9 @@ int board_mmc_getcd(struct mmc *mmc) int ret = 0;

switch (cfg->esdhc_base) { + case USDHC1_BASE_ADDR: + ret = !gpio_get_value(USDHC1_CD_GPIO); + break; case USDHC3_BASE_ADDR: ret = !gpio_get_value(USDHC3_CD_GPIO); break; @@ -119,13 +135,42 @@ int board_mmc_getcd(struct mmc *mmc)

int board_mmc_init(bd_t *bis) { - imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - usdhc_cfg[0].max_bus_width = 4; - gpio_direction_input(USDHC3_CD_GPIO); + s32 status = 0; + u32 index = 0; + + /* + * Following map is done: + * (U-boot device node) (Physical Port) + * mmc0 SOM MicroSD + * mmc1 Carrier board MicroSD + */ + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { + switch (index) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[0].max_bus_width = 4; + gpio_direction_input(USDHC3_CD_GPIO); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + usdhc_cfg[1].max_bus_width = 4; + gpio_direction_input(USDHC1_CD_GPIO); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) then supported by the board (%d)\n", + index + 1, CONFIG_SYS_FSL_USDHC_NUM); + return status; + } + + status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + }

- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); + return status; }

static int mx6_rgmii_rework(struct phy_device *phydev) diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h index 0dc3286..9898f55 100644 --- a/include/configs/wandboard.h +++ b/include/configs/wandboard.h @@ -59,6 +59,7 @@ /* MMC Configuration */ #define CONFIG_FSL_ESDHC #define CONFIG_FSL_USDHC +#define CONFIG_SYS_FSL_USDHC_NUM 2 #define CONFIG_SYS_FSL_ESDHC_ADDR 0

#define CONFIG_MMC

Adds support for 'bmode' command which let user to choose where to boot from; this allows U-Boot to load system from another storage without messing with jumpers.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br --- Changes in v3: None Changes in v2: None

board/wandboard/wandboard.c | 19 +++++++++++++++++++ include/configs/wandboard.h | 2 ++ 2 files changed, 21 insertions(+)

diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index 2bf121c..c71c90d 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -16,6 +16,7 @@ #include <asm/arch/sys_proto.h> #include <asm/gpio.h> #include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> #include <asm/io.h> #include <asm/sizes.h> #include <common.h> @@ -225,6 +226,24 @@ int board_early_init_f(void) return 0; }

+#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, + {"mmc1", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + int board_init(void) { /* address of boot parameters */ diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h index 9898f55..9d7ec3f 100644 --- a/include/configs/wandboard.h +++ b/include/configs/wandboard.h @@ -32,6 +32,7 @@ #define CONFIG_SYS_MALLOC_LEN (3 * SZ_1M)

#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_LATE_INIT #define CONFIG_MXC_GPIO

#define CONFIG_MXC_UART @@ -47,6 +48,7 @@

#undef CONFIG_CMD_IMLS

+#define CONFIG_CMD_BMODE #define CONFIG_CMD_SETEXPR

#define CONFIG_BOOTDELAY 5