From: Jagan Teki jagan@amarulasolutions.com
Add initial devicetree support for i.MX6 Quad Sabresd board.
Cc: Stefano Babic sbabic@denx.de Cc: Fabio Estevam fabio.estevam@nxp.com Cc: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- board/freescale/mx6sabresd/MAINTAINERS | 1 + board/freescale/mx6sabresd/mx6sabresd.c | 122 +++++++++++++++++++++----------- configs/imx6q_sabresd_defconfig | 59 +++++++++++++++ include/configs/mx6sabresd.h | 4 ++ 4 files changed, 146 insertions(+), 40 deletions(-) create mode 100644 configs/imx6q_sabresd_defconfig
diff --git a/board/freescale/mx6sabresd/MAINTAINERS b/board/freescale/mx6sabresd/MAINTAINERS index add2314..434548a 100644 --- a/board/freescale/mx6sabresd/MAINTAINERS +++ b/board/freescale/mx6sabresd/MAINTAINERS @@ -6,3 +6,4 @@ F: include/configs/mx6sabresd.h F: configs/mx6dlsabresd_defconfig F: configs/mx6qsabresd_defconfig F: configs/mx6sabresd_spl_defconfig +F: configs/imx6q_sabresd_defconfig diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index 80a7789..db25dad 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -241,7 +241,7 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); }
-#ifdef CONFIG_FSL_ESDHC +#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_OF_CONTROL) struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC2_BASE_ADDR}, {USDHC3_BASE_ADDR}, @@ -276,9 +276,9 @@ int board_mmc_getcd(struct mmc *mmc) return ret; }
+#ifndef CONFIG_FSL_ESDHC int board_mmc_init(bd_t *bis) { -#ifndef CONFIG_SPL_BUILD int ret; int i;
@@ -321,46 +321,9 @@ int board_mmc_init(bd_t *bis) }
return 0; -#else - struct src *psrc = (struct src *)SRC_BASE_ADDR; - unsigned reg = readl(&psrc->sbmr1) >> 11; - /* - * Upon reading BOOT_CFG register the following map is done: - * Bit 11 and 12 of BOOT_CFG register can determine the current - * mmc port - * 0x1 SD1 - * 0x2 SD2 - * 0x3 SD4 - */ - - switch (reg & 0x3) { - case 0x1: - imx_iomux_v3_setup_multiple_pads( - usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); - usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; - break; - case 0x2: - imx_iomux_v3_setup_multiple_pads( - usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; - break; - case 0x3: - imx_iomux_v3_setup_multiple_pads( - usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); - usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); - gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; - break; - } - - return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); -#endif } #endif +#endif
static int ar8031_phy_fixup(struct phy_device *phydev) { @@ -717,6 +680,85 @@ int checkboard(void) #include <spl.h> #include <libfdt.h>
+#ifdef CONFIG_FSL_ESDHC + +#if defined(CONFIG_OF_CONTROL) && !defined(CONFIG_DM_MMC) +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_get_env_dev(int devno) +{ + return devno - 1; +} + +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 USDHC2_BASE_ADDR: + ret = !gpio_get_value(USDHC2_CD_GPIO); + break; + case USDHC3_BASE_ADDR: + ret = !gpio_get_value(USDHC3_CD_GPIO); + break; + case USDHC4_BASE_ADDR: + ret = 1; /* eMMC/uSDHC4 is always present */ + break; + } + + return ret; +} +#endif + +int board_mmc_init(bd_t *bis) +{ + struct src *psrc = (struct src *)SRC_BASE_ADDR; + unsigned reg = readl(&psrc->sbmr1) >> 11; + /* + * Upon reading BOOT_CFG register the following map is done: + * Bit 11 and 12 of BOOT_CFG register can determine the current + * mmc port + * 0x1 SD1 + * 0x2 SD2 + * 0x3 SD4 + */ + + switch (reg & 0x3) { + case 0x1: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + case 0x2: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + case 0x3: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + } + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} +#endif + #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { diff --git a/configs/imx6q_sabresd_defconfig b/configs/imx6q_sabresd_defconfig new file mode 100644 index 0000000..3919231 --- /dev/null +++ b/configs/imx6q_sabresd_defconfig @@ -0,0 +1,59 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_TARGET_MX6SABRESD=y +CONFIG_SPL_MMC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_LIBDISK_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_VIDEO=y +CONFIG_DEFAULT_DEVICE_TREE="imx6q-sabresd" +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6Q" +CONFIG_BOOTDELAY=3 +# CONFIG_CONSOLE_MUX is not set +CONFIG_SYS_CONSOLE_IS_IN_ENV=y +CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE=y +CONFIG_SPL=y +CONFIG_SPL_EXT_SUPPORT=y +CONFIG_SPL_I2C_SUPPORT=y +CONFIG_SPL_OS_BOOT=y +CONFIG_HUSH_PARSER=y +CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_IMLS is not set +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_I2C=y +CONFIG_CMD_USB=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_STMICRO=y +CONFIG_PCI=y +CONFIG_USB=y +CONFIG_USB_STORAGE=y +CONFIG_USB_GADGET=y +CONFIG_CI_UDC=y +CONFIG_USB_GADGET_DOWNLOAD=y +CONFIG_G_DNL_MANUFACTURER="FSL" +CONFIG_G_DNL_VENDOR_NUM=0x0525 +CONFIG_G_DNL_PRODUCT_NUM=0xa4a5 +# CONFIG_VIDEO_SW_CURSOR is not set +CONFIG_OF_LIBFDT=y +CONFIG_OF_CONTROL=y +CONFIG_DM_GPIO=y +CONFIG_DM_MMC=y +# CONFIG_BLK is not set +# CONFIG_DM_MMC_OPS is not set +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h index 598ab9a..9885a5c 100644 --- a/include/configs/mx6sabresd.h +++ b/include/configs/mx6sabresd.h @@ -11,6 +11,10 @@
#ifdef CONFIG_SPL #include "imx6_spl.h" +# ifdef CONFIG_SPL_BUILD +# undef CONFIG_DM_GPIO +# undef CONFIG_DM_MMC +# endif #endif
#define CONFIG_MACH_TYPE 3980