diff options
Diffstat (limited to 'board/toradex/colibri_imx6/colibri_imx6.c')
-rw-r--r-- | board/toradex/colibri_imx6/colibri_imx6.c | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c new file mode 100644 index 00000000000..a0809eefa5f --- /dev/null +++ b/board/toradex/colibri_imx6/colibri_imx6.c @@ -0,0 +1,644 @@ +/* + * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> + * Copyright (C) 2014-2015, Toradex AG + * copied from nitrogen6x + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sys_proto.h> +#include <malloc.h> +#include <asm/arch/mx6-pins.h> +#include <asm/errno.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/video.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <micrel.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mxc_hdmi.h> +#include <g_dnl.h> +#include <i2c.h> + +#include "../common/configblock.h" +#include "pf0100.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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define BUTTON_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#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 WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_SRE_SLOW) + +#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS | PAD_CTL_SRE_SLOW) + +#define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm) + +u32 get_board_rev(void); + +int dram_init(void) +{ + /* use the DDR controllers configured size */ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + (ulong)imx_ddr_size()); + + return 0; +} + +/* Colibri UARTA */ +iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* Colibri I2C */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC, + .gp = IMX_GPIO_NR(1, 3) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC, + .gp = IMX_GPIO_NR(1, 6) + } +}; + +/* Colibri local, PMIC, SGTL5000, STMPE811*/ +struct i2c_pads_info i2c_pad_info_loc = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* Apalis MMC */ +iomux_v3_cfg_t const usdhc1_pads[] = { + MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +# define GPIO_MMC_CD IMX_GPIO_NR(2, 5) +}; + +/* eMMC */ +iomux_v3_cfg_t const usdhc3_pads[] = { + MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +iomux_v3_cfg_t const enet_pads[] = { + MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); +} + +iomux_v3_cfg_t const usb_pads[] = { + /* TODO This pin has a dedicated USB power functionality, can we use it? */ + /* USB_PE */ + MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), +# define GPIO_USBH_EN IMX_GPIO_NR(3, 31) +#if 0 +/* FIXME USB CLIENT */ + /* USB_C_DET */ + MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP), +#endif +}; + +/* UARTs are used in DTE mode, switch the mode on all UARTs before + * any pinmuxing connects a (DCE) output to a transceiver output. + */ +#define UFCR 0x90 /* FIFO Control Register */ +#define UFCR_DCEDTE (1<<6) /* DCE=0 */ + +static void setup_dtemode_uart(void) +{ + setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); + setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); + setbits_le32((u32 *)(UART3_BASE + UFCR), UFCR_DCEDTE); +} + +static void setup_iomux_uart(void) +{ + setup_dtemode_uart(); + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_USB_EHCI_MX6 +int board_ehci_hcd_init(int port) +{ + imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); + return 0; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + /* control OTG power */ + /* No special PE for USBC, always on when ID pin signals host mode */ + break; + case 1: + /* Control MXM USBH */ + /* Set MXM USBH power enable, '0' means on */ + gpio_direction_output(GPIO_USBH_EN, !on); + mdelay(100); + break; + default: + break; + } + return 0; +} +#endif + +#ifdef CONFIG_FSL_ESDHC +/* use the following sequence: eMMC, MMC */ +struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { + {USDHC3_BASE_ADDR}, + {USDHC1_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = true; /* default: assume inserted */ + + switch (cfg->esdhc_base) { + case USDHC1_BASE_ADDR: + gpio_direction_input(GPIO_MMC_CD); + ret = !gpio_get_value(GPIO_MMC_CD); + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + s32 status = 0; + u32 index = 0; + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + usdhc_cfg[0].max_bus_width = 8; + usdhc_cfg[1].max_bus_width = 4; + + 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)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + 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 status; +} +#endif + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + uint32_t base = IMX_FEC_BASE; + struct mii_dev *bus = NULL; + struct phy_device *phydev = NULL; + int ret; + + //provide the phy clock from the i.mx6 + ret = enable_fec_anatop_clock(ENET_50MHZ); + if (ret) + return ret; + /* set gpr1[ENET_CLK_SEL] */ + setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); + + setup_iomux_enet(); + +#ifdef CONFIG_FEC_MXC + bus = fec_get_miibus(base, -1); + if (!bus) + return 0; + /* scan phy 1..7 */ + phydev = phy_find_by_mask(bus, 0xff, PHY_INTERFACE_MODE_RMII); + if (!phydev) { + free(bus); + puts("no phy found\n"); + return 0; + } + printf("using phy at %d\n", phydev->addr); + ret = fec_probe(bis, -1, base, bus, phydev); + if (ret) { + printf("FEC MXC: %s:failed\n", __func__); + free(phydev); + free(bus); + } +#endif + return 0; +} + +static iomux_v3_cfg_t const pwr_intb_pads[] = { + /* the bootrom sets the iomux to vselect, potentially connecting + * two outputs. Set this back to GPIO */ + MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) +}; + +#if defined(CONFIG_VIDEO_IPUV3) + +static iomux_v3_cfg_t const backlight_pads[] = { + /* Backlight On */ + MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(NO_PAD_CTRL), +#define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 26) +/* TODO PWM not GPIO */ + MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), +#define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 9) +}; + +static iomux_v3_cfg_t const rgb_pads[] = { + MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, + MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, + MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, + MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, + MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, + MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, + MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, + MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, + MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, + MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, + MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, + MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, + MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, + MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, + MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, + MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, + MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, + MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, + MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, + MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, + MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16, + MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17, +}; + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +static void enable_rgb(struct display_info_t const *dev) +{ + imx_iomux_v3_setup_multiple_pads( + rgb_pads, + ARRAY_SIZE(rgb_pads)); + gpio_direction_output(RGB_BACKLIGHT_GP, 1); + gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); +} + +struct display_info_t const displays[] = {{ + .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 = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = NULL, + .enable = enable_rgb, + .mode = { + .name = "vga-rgb", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 39682, + .left_margin = 48, + .right_margin = 16, + .upper_margin = 33, + .lower_margin = 10, + .hsync_len = 96, + .vsync_len = 2, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = NULL, + .enable = enable_rgb, + .mode = { + .name = "wvga-rgb", + .refresh = 57, + .xres = 800, + .yres = 480, + .pixclock = 37037, + .left_margin = 40, + .right_margin = 60, + .upper_margin = 10, + .lower_margin = 10, + .hsync_len = 20, + .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; + + enable_ipu_clock(); + imx_setup_hdmi(); +/* FIXME disable whatever LVDS stuff is initialized here */ + /* Turn on LDB0,IPU,IPU DI0 clocks */ + reg = __raw_readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_LDB_DI0_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; + writel(reg, &mxc_ccm->cscmr2); + + reg = readl(&mxc_ccm->chsccdr); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); + + reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES + |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH + |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_CH1_MODE_DISABLED + |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; + writel(reg, &iomux->gpr[2]); + + reg = readl(&iomux->gpr[3]); + reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK + |IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) + | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 + <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); + writel(reg, &iomux->gpr[3]); + + /* backlights unconditionally on for now */ + imx_iomux_v3_setup_multiple_pads(backlight_pads, + ARRAY_SIZE(backlight_pads)); + /* use 0 for EDT 7", use 1 for LG fullHD panel */ + gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); + gpio_direction_output(RGB_BACKLIGHT_GP, 1); +} +#endif /* defined(CONFIG_VIDEO_IPUV3) */ + +int board_early_init_f(void) +{ + imx_iomux_v3_setup_multiple_pads(pwr_intb_pads, + ARRAY_SIZE(pwr_intb_pads)); + setup_iomux_uart(); + +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif + return 0; +} + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc); + + (void) pmic_init(); + +#ifdef CONFIG_CMD_SATA + setup_sata(); +#endif + + return 0; +} + +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ + char env_str[256]; + u32 rev; + +#if defined(CONFIG_REVISION_TAG) && defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) + rev = get_board_rev(); + snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev); + setenv("board_rev", env_str); +#endif + + return 0; +} +#endif /* CONFIG_BOARD_LATE_INIT */ + +int checkboard(void) +{ +#ifdef CONFIG_TRDX_CFG_BLOCK + if (read_trdx_cfg_block()) + printf("Missing Toradex config block\n"); + else { + display_board_info(); + return 0; + } +#endif + printf("Model: Toradex Colibri iMX6 %sMB\n", (gd->ram_size == 0x20000000)?"512":"256"); + return 0; +} + +int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) +{ + unsigned short prodnr = 0; + unsigned short usb_pid; + /* assume a maximum 64bit serial */ + char serialnr[21]; + + get_board_product_number(&prodnr); + + put_unaligned(CONFIG_TRDX_VID, &dev->idVendor); + + usb_pid = prodnr + 0x100; + put_unaligned(usb_pid, &dev->idProduct); + + get_board_serial_char(serialnr); + g_dnl_set_serialnumber(serialnr); + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, + {"mmc1", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int misc_init_r(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + return 0; +} + +/* On Colibri iMX6 the DDR bus width depends on the CPU type + * With Solo it is 32bit, with Dual Light 64 bit. + * U-Boot is configured to use 32bit on both models which works. + * This commands patches this so that on subsequent boots a DL + * will use 64bit and thus all stuffed memory + */ +int do_patch_ddr_size(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + char *ivt; + struct mmc *mmc; + int ret = 0; + + ivt = memalign(ARCH_DMA_MINALIGN, 1024); + if (ivt != NULL) { + /* read IVT */ + mmc = find_mmc_device(0); + ret = mmc->block_dev.block_read(0, 2, 2, ivt); + /* FIXME: Parse IVT to find DCD, parse DCD to find correct write addr */ + if(ret == 2) { + if(is_cpu_type(MXC_CPU_MX6DL) && (ivt[0x215] == 0x19)) { + ivt[0x215] = 0x1a; + ret = mmc->block_dev.block_write(0, 2, 2, ivt); + puts("patched, "); + } + } + } + if(ret == 2) + puts("done.\n"); + else + puts("failed.\n"); + return 0; +} + +U_BOOT_CMD( + patch_ddr_size, 1, 0, do_patch_ddr_size, + "Patch the DCD table to the right ddr size depending on CPU type\n", + "" +); |