diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c')
| -rw-r--r-- | roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c | 938 |
1 files changed, 938 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c b/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c new file mode 100644 index 000000000..8c3523085 --- /dev/null +++ b/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c @@ -0,0 +1,938 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + */ + +#include <image.h> +#include <init.h> +#include <net.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/global_data.h> +#include <asm/mach-imx/spi.h> +#include <env.h> +#include <linux/errno.h> +#include <asm/gpio.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/video.h> +#include <mmc.h> +#include <fsl_esdhc_imx.h> +#include <miiphy.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/crm_regs.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <i2c.h> +#include <input.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.h" +#include <usb.h> +#include <usb/ehci-ci.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#define I2C_PMIC 1 + +#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) + +#define DISP0_PWR_EN IMX_GPIO_NR(1, 21) + +#define KEY_VOL_UP IMX_GPIO_NR(1, 4) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const usdhc2_pads[] = { + IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ +}; + +static iomux_v3_cfg_t const usdhc4_pads[] = { + IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const ecspi1_pads[] = { + IOMUX_PADS(PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const rgb_pads[] = { + IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const bl_pads[] = { + IOMUX_PADS(PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void enable_backlight(void) +{ + SETUP_IOMUX_PADS(bl_pads); + gpio_request(DISP0_PWR_EN, "Display Power Enable"); + gpio_direction_output(DISP0_PWR_EN, 1); +} + +static void enable_rgb(struct display_info_t const *dev) +{ + SETUP_IOMUX_PADS(rgb_pads); + enable_backlight(); +} + +static void enable_lvds(struct display_info_t const *dev) +{ + enable_backlight(); +} + +static struct i2c_pads_info mx6q_i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, + .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, + .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 13) + } +}; + +static struct i2c_pads_info mx6dl_i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, + .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, + .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 13) + } +}; + +static void setup_spi(void) +{ + SETUP_IOMUX_PADS(ecspi1_pads); +} + +iomux_v3_cfg_t const di0_pads[] = { + IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), /* DISP0_CLK */ + IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* DISP0_HSYNC */ + IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* DISP0_VSYNC */ +}; + +static void setup_iomux_uart(void) +{ + SETUP_IOMUX_PADS(uart1_pads); +} + +#ifdef CONFIG_FSL_ESDHC_IMX +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; +} + +int board_mmc_init(struct bd_info *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: + SETUP_IOMUX_PADS(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: + SETUP_IOMUX_PADS(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: + SETUP_IOMUX_PADS(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 + +static int ar8031_phy_fixup(struct phy_device *phydev) +{ + unsigned short val; + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + ar8031_phy_fixup(phydev); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +#if defined(CONFIG_VIDEO_IPUV3) +static void disable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + int reg = readl(&iomux->gpr[2]); + + reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | + IOMUXC_GPR2_LVDS_CH1_MODE_MASK); + + writel(reg, &iomux->gpr[2]); +} + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + disable_lvds(dev); + imx_enable_hdmi_phy(); +} + +struct display_info_t const displays[] = {{ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = NULL, + .enable = enable_lvds, + .mode = { + .name = "Hannstar-XGA", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15384, + .left_margin = 160, + .right_margin = 24, + .upper_margin = 29, + .lower_margin = 3, + .hsync_len = 136, + .vsync_len = 6, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = do_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15384, + .left_margin = 160, + .right_margin = 24, + .upper_margin = 29, + .lower_margin = 3, + .hsync_len = 136, + .vsync_len = 6, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = 0, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = enable_rgb, + .mode = { + .name = "SEIKO-WVGA", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 29850, + .left_margin = 89, + .right_margin = 164, + .upper_margin = 23, + .lower_margin = 10, + .hsync_len = 10, + .vsync_len = 10, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); + +static void setup_display(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + int reg; + + /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */ + SETUP_IOMUX_PADS(di0_pads); + + enable_ipu_clock(); + imx_setup_hdmi(); + + /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ + reg = readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; + writel(reg, &mxc_ccm->CCGR3); + + /* set LDB0, LDB1 clk select to 011/011 */ + reg = readl(&mxc_ccm->cs2cdr); + reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK + | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); + reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) + | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->cs2cdr); + + reg = readl(&mxc_ccm->cscmr2); + reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; + writel(reg, &mxc_ccm->cscmr2); + + reg = readl(&mxc_ccm->chsccdr); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); + + reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES + | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT + | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT + | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED + | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; + writel(reg, &iomux->gpr[2]); + + reg = readl(&iomux->gpr[3]); + reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK + | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) + | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 + << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); + writel(reg, &iomux->gpr[3]); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +#ifdef CONFIG_USB_EHCI_MX6 +static void setup_usb(void) +{ + /* + * set daisy chain for otg_pin_id on 6q. + * for 6dl, this bit is reserved + */ + imx_iomux_set_gpr_register(1, 13, 1, 0); +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_MXC_SPI + setup_spi(); +#endif + if (is_mx6dq() || is_mx6dqp()) + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1); + else + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1); +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif +#ifdef CONFIG_USB_EHCI_MX6 + setup_usb(); +#endif + + return 0; +} + +int power_init_board(void) +{ + struct pmic *p; + unsigned int reg; + int ret; + + p = pfuze_common_init(I2C_PMIC); + if (!p) + return -ENODEV; + + ret = pfuze_mode_init(p, APS_PFM); + if (ret < 0) + return ret; + + /* Increase VGEN3 from 2.5 to 2.8V */ + pmic_reg_read(p, PFUZE100_VGEN3VOL, ®); + reg &= ~LDO_VOL_MASK; + reg |= LDOB_2_80V; + pmic_reg_write(p, PFUZE100_VGEN3VOL, reg); + + /* Increase VGEN5 from 2.8 to 3V */ + pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); + reg &= ~LDO_VOL_MASK; + reg |= LDOB_3_00V; + pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); + + return 0; +} + +#ifdef CONFIG_MXC_SPI +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1; +} +#endif + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, + {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, + /* 8 bit bus width */ + {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + env_set("board_name", "SABRESD"); + + if (is_mx6dqp()) + env_set("board_rev", "MX6QP"); + else if (is_mx6dq()) + env_set("board_rev", "MX6Q"); + else if (is_mx6sdl()) + env_set("board_rev", "MX6DL"); +#endif + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +#include <asm/arch/mx6-ddr.h> +#include <spl.h> +#include <linux/libfdt.h> + +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + gpio_request(KEY_VOL_UP, "KEY Volume UP"); + gpio_direction_input(KEY_VOL_UP); + + /* Only enter in Falcon mode if KEY_VOL_UP is pressed */ + return gpio_get_value(KEY_VOL_UP); +} +#endif + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0x00C03F3F, &ccm->CCGR0); + writel(0x0030FC03, &ccm->CCGR1); + writel(0x0FFFC000, &ccm->CCGR2); + writel(0x3FF00000, &ccm->CCGR3); + writel(0x00FFF300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003FF, &ccm->CCGR6); +} + +static int mx6q_dcd_table[] = { + 0x020e0798, 0x000C0000, + 0x020e0758, 0x00000000, + 0x020e0588, 0x00000030, + 0x020e0594, 0x00000030, + 0x020e056c, 0x00000030, + 0x020e0578, 0x00000030, + 0x020e074c, 0x00000030, + 0x020e057c, 0x00000030, + 0x020e058c, 0x00000000, + 0x020e059c, 0x00000030, + 0x020e05a0, 0x00000030, + 0x020e078c, 0x00000030, + 0x020e0750, 0x00020000, + 0x020e05a8, 0x00000030, + 0x020e05b0, 0x00000030, + 0x020e0524, 0x00000030, + 0x020e051c, 0x00000030, + 0x020e0518, 0x00000030, + 0x020e050c, 0x00000030, + 0x020e05b8, 0x00000030, + 0x020e05c0, 0x00000030, + 0x020e0774, 0x00020000, + 0x020e0784, 0x00000030, + 0x020e0788, 0x00000030, + 0x020e0794, 0x00000030, + 0x020e079c, 0x00000030, + 0x020e07a0, 0x00000030, + 0x020e07a4, 0x00000030, + 0x020e07a8, 0x00000030, + 0x020e0748, 0x00000030, + 0x020e05ac, 0x00000030, + 0x020e05b4, 0x00000030, + 0x020e0528, 0x00000030, + 0x020e0520, 0x00000030, + 0x020e0514, 0x00000030, + 0x020e0510, 0x00000030, + 0x020e05bc, 0x00000030, + 0x020e05c4, 0x00000030, + 0x021b0800, 0xa1390003, + 0x021b080c, 0x001F001F, + 0x021b0810, 0x001F001F, + 0x021b480c, 0x001F001F, + 0x021b4810, 0x001F001F, + 0x021b083c, 0x43270338, + 0x021b0840, 0x03200314, + 0x021b483c, 0x431A032F, + 0x021b4840, 0x03200263, + 0x021b0848, 0x4B434748, + 0x021b4848, 0x4445404C, + 0x021b0850, 0x38444542, + 0x021b4850, 0x4935493A, + 0x021b081c, 0x33333333, + 0x021b0820, 0x33333333, + 0x021b0824, 0x33333333, + 0x021b0828, 0x33333333, + 0x021b481c, 0x33333333, + 0x021b4820, 0x33333333, + 0x021b4824, 0x33333333, + 0x021b4828, 0x33333333, + 0x021b08b8, 0x00000800, + 0x021b48b8, 0x00000800, + 0x021b0004, 0x00020036, + 0x021b0008, 0x09444040, + 0x021b000c, 0x555A7975, + 0x021b0010, 0xFF538F64, + 0x021b0014, 0x01FF00DB, + 0x021b0018, 0x00001740, + 0x021b001c, 0x00008000, + 0x021b002c, 0x000026d2, + 0x021b0030, 0x005A1023, + 0x021b0040, 0x00000027, + 0x021b0000, 0x831A0000, + 0x021b001c, 0x04088032, + 0x021b001c, 0x00008033, + 0x021b001c, 0x00048031, + 0x021b001c, 0x09408030, + 0x021b001c, 0x04008040, + 0x021b0020, 0x00005800, + 0x021b0818, 0x00011117, + 0x021b4818, 0x00011117, + 0x021b0004, 0x00025576, + 0x021b0404, 0x00011006, + 0x021b001c, 0x00000000, +}; + +static int mx6qp_dcd_table[] = { + 0x020e0798, 0x000c0000, + 0x020e0758, 0x00000000, + 0x020e0588, 0x00000030, + 0x020e0594, 0x00000030, + 0x020e056c, 0x00000030, + 0x020e0578, 0x00000030, + 0x020e074c, 0x00000030, + 0x020e057c, 0x00000030, + 0x020e058c, 0x00000000, + 0x020e059c, 0x00000030, + 0x020e05a0, 0x00000030, + 0x020e078c, 0x00000030, + 0x020e0750, 0x00020000, + 0x020e05a8, 0x00000030, + 0x020e05b0, 0x00000030, + 0x020e0524, 0x00000030, + 0x020e051c, 0x00000030, + 0x020e0518, 0x00000030, + 0x020e050c, 0x00000030, + 0x020e05b8, 0x00000030, + 0x020e05c0, 0x00000030, + 0x020e0774, 0x00020000, + 0x020e0784, 0x00000030, + 0x020e0788, 0x00000030, + 0x020e0794, 0x00000030, + 0x020e079c, 0x00000030, + 0x020e07a0, 0x00000030, + 0x020e07a4, 0x00000030, + 0x020e07a8, 0x00000030, + 0x020e0748, 0x00000030, + 0x020e05ac, 0x00000030, + 0x020e05b4, 0x00000030, + 0x020e0528, 0x00000030, + 0x020e0520, 0x00000030, + 0x020e0514, 0x00000030, + 0x020e0510, 0x00000030, + 0x020e05bc, 0x00000030, + 0x020e05c4, 0x00000030, + 0x021b0800, 0xa1390003, + 0x021b080c, 0x001b001e, + 0x021b0810, 0x002e0029, + 0x021b480c, 0x001b002a, + 0x021b4810, 0x0019002c, + 0x021b083c, 0x43240334, + 0x021b0840, 0x0324031a, + 0x021b483c, 0x43340344, + 0x021b4840, 0x03280276, + 0x021b0848, 0x44383A3E, + 0x021b4848, 0x3C3C3846, + 0x021b0850, 0x2e303230, + 0x021b4850, 0x38283E34, + 0x021b081c, 0x33333333, + 0x021b0820, 0x33333333, + 0x021b0824, 0x33333333, + 0x021b0828, 0x33333333, + 0x021b481c, 0x33333333, + 0x021b4820, 0x33333333, + 0x021b4824, 0x33333333, + 0x021b4828, 0x33333333, + 0x021b08c0, 0x24912249, + 0x021b48c0, 0x24914289, + 0x021b08b8, 0x00000800, + 0x021b48b8, 0x00000800, + 0x021b0004, 0x00020036, + 0x021b0008, 0x24444040, + 0x021b000c, 0x555A7955, + 0x021b0010, 0xFF320F64, + 0x021b0014, 0x01ff00db, + 0x021b0018, 0x00001740, + 0x021b001c, 0x00008000, + 0x021b002c, 0x000026d2, + 0x021b0030, 0x005A1023, + 0x021b0040, 0x00000027, + 0x021b0400, 0x14420000, + 0x021b0000, 0x831A0000, + 0x021b0890, 0x00400C58, + 0x00bb0008, 0x00000000, + 0x00bb000c, 0x2891E41A, + 0x00bb0038, 0x00000564, + 0x00bb0014, 0x00000040, + 0x00bb0028, 0x00000020, + 0x00bb002c, 0x00000020, + 0x021b001c, 0x04088032, + 0x021b001c, 0x00008033, + 0x021b001c, 0x00048031, + 0x021b001c, 0x09408030, + 0x021b001c, 0x04008040, + 0x021b0020, 0x00005800, + 0x021b0818, 0x00011117, + 0x021b4818, 0x00011117, + 0x021b0004, 0x00025576, + 0x021b0404, 0x00011006, + 0x021b001c, 0x00000000, +}; + +static int mx6dl_dcd_table[] = { + 0x020e0774, 0x000C0000, + 0x020e0754, 0x00000000, + 0x020e04ac, 0x00000030, + 0x020e04b0, 0x00000030, + 0x020e0464, 0x00000030, + 0x020e0490, 0x00000030, + 0x020e074c, 0x00000030, + 0x020e0494, 0x00000030, + 0x020e04a0, 0x00000000, + 0x020e04b4, 0x00000030, + 0x020e04b8, 0x00000030, + 0x020e076c, 0x00000030, + 0x020e0750, 0x00020000, + 0x020e04bc, 0x00000030, + 0x020e04c0, 0x00000030, + 0x020e04c4, 0x00000030, + 0x020e04c8, 0x00000030, + 0x020e04cc, 0x00000030, + 0x020e04d0, 0x00000030, + 0x020e04d4, 0x00000030, + 0x020e04d8, 0x00000030, + 0x020e0760, 0x00020000, + 0x020e0764, 0x00000030, + 0x020e0770, 0x00000030, + 0x020e0778, 0x00000030, + 0x020e077c, 0x00000030, + 0x020e0780, 0x00000030, + 0x020e0784, 0x00000030, + 0x020e078c, 0x00000030, + 0x020e0748, 0x00000030, + 0x020e0470, 0x00000030, + 0x020e0474, 0x00000030, + 0x020e0478, 0x00000030, + 0x020e047c, 0x00000030, + 0x020e0480, 0x00000030, + 0x020e0484, 0x00000030, + 0x020e0488, 0x00000030, + 0x020e048c, 0x00000030, + 0x021b0800, 0xa1390003, + 0x021b080c, 0x001F001F, + 0x021b0810, 0x001F001F, + 0x021b480c, 0x001F001F, + 0x021b4810, 0x001F001F, + 0x021b083c, 0x4220021F, + 0x021b0840, 0x0207017E, + 0x021b483c, 0x4201020C, + 0x021b4840, 0x01660172, + 0x021b0848, 0x4A4D4E4D, + 0x021b4848, 0x4A4F5049, + 0x021b0850, 0x3F3C3D31, + 0x021b4850, 0x3238372B, + 0x021b081c, 0x33333333, + 0x021b0820, 0x33333333, + 0x021b0824, 0x33333333, + 0x021b0828, 0x33333333, + 0x021b481c, 0x33333333, + 0x021b4820, 0x33333333, + 0x021b4824, 0x33333333, + 0x021b4828, 0x33333333, + 0x021b08b8, 0x00000800, + 0x021b48b8, 0x00000800, + 0x021b0004, 0x0002002D, + 0x021b0008, 0x00333030, + 0x021b000c, 0x3F435313, + 0x021b0010, 0xB66E8B63, + 0x021b0014, 0x01FF00DB, + 0x021b0018, 0x00001740, + 0x021b001c, 0x00008000, + 0x021b002c, 0x000026d2, + 0x021b0030, 0x00431023, + 0x021b0040, 0x00000027, + 0x021b0000, 0x831A0000, + 0x021b001c, 0x04008032, + 0x021b001c, 0x00008033, + 0x021b001c, 0x00048031, + 0x021b001c, 0x05208030, + 0x021b001c, 0x04008040, + 0x021b0020, 0x00005800, + 0x021b0818, 0x00011117, + 0x021b4818, 0x00011117, + 0x021b0004, 0x0002556D, + 0x021b0404, 0x00011006, + 0x021b001c, 0x00000000, +}; + +static void ddr_init(int *table, int size) +{ + int i; + + for (i = 0; i < size / 2 ; i++) + writel(table[2 * i + 1], table[2 * i]); +} + +static void spl_dram_init(void) +{ + if (is_mx6dq()) + ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table)); + else if (is_mx6dqp()) + ddr_init(mx6qp_dcd_table, ARRAY_SIZE(mx6qp_dcd_table)); + else if (is_mx6sdl()) + ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); +} + +void board_init_f(ulong dummy) +{ + /* DDR initialization */ + spl_dram_init(); + + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + ccgr_init(); + gpr_init(); + + /* iomux and setup of i2c */ + board_early_init_f(); + + /* setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} +#endif + +#ifdef CONFIG_SPL_LOAD_FIT +int board_fit_config_name_match(const char *name) +{ + if (is_mx6dq()) { + if (!strcmp(name, "imx6q-sabresd")) + return 0; + } else if (is_mx6dqp()) { + if (!strcmp(name, "imx6qp-sabresd")) + return 0; + } else if (is_mx6dl()) { + if (!strcmp(name, "imx6dl-sabresd")) + return 0; + } + + return -1; +} +#endif |