]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/karo/tx6/tx6qdl.c
karo: tx6: Unify code for TX6 module revisions
[karo-tx-uboot.git] / board / karo / tx6 / tx6qdl.c
index a3772ec1e48737b0ea662ca3464b5c3f5f6ce14f..d94b7ca825ac881132dcb3c0d2c52c2be4f3601e 100644 (file)
 #include <asm/arch/sys_proto.h>
 
 #include "../common/karo.h"
+#include "pmic.h"
 
 #define TX6_FEC_RST_GPIO               IMX_GPIO_NR(7, 6)
 #define TX6_FEC_PWR_GPIO               IMX_GPIO_NR(3, 20)
-#define TX6_FEC_INT_GPIO               IMX_GPIO_NR(2, 4)
+#define TX6_FEC_INT_GPIO               IMX_GPIO_NR(7, 1)
 #define TX6_LED_GPIO                   IMX_GPIO_NR(2, 20)
 
 #define TX6_LCD_PWR_GPIO               IMX_GPIO_NR(2, 31)
@@ -58,6 +59,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define MUX_CFG_SION                   IOMUX_PAD(0, 0, IOMUX_CONFIG_SION, 0, 0, 0)
 
 static const iomux_v3_cfg_t tx6qdl_pads[] = {
+#ifdef CONFIG_TX6_V2
        /* NAND flash pads */
        MX6_PAD_NANDF_CLE__RAWNAND_CLE,
        MX6_PAD_NANDF_ALE__RAWNAND_ALE,
@@ -74,7 +76,7 @@ static const iomux_v3_cfg_t tx6qdl_pads[] = {
        MX6_PAD_NANDF_D5__RAWNAND_D5,
        MX6_PAD_NANDF_D6__RAWNAND_D6,
        MX6_PAD_NANDF_D7__RAWNAND_D7,
-
+#endif
        /* RESET_OUT */
        MX6_PAD_GPIO_17__GPIO_7_12,
 
@@ -225,192 +227,6 @@ static void tx6qdl_print_cpuinfo(void)
        check_cpu_temperature(1);
 }
 
-#define LTC3676_BUCK1          0x01
-#define LTC3676_BUCK2          0x02
-#define LTC3676_BUCK3          0x03
-#define LTC3676_BUCK4          0x04
-#define LTC3676_DVB1A          0x0A
-#define LTC3676_DVB1B          0x0B
-#define LTC3676_DVB2A          0x0C
-#define LTC3676_DVB2B          0x0D
-#define LTC3676_DVB3A          0x0E
-#define LTC3676_DVB3B          0x0F
-#define LTC3676_DVB4A          0x10
-#define LTC3676_DVB4B          0x11
-#define LTC3676_MSKPG          0x13
-#define LTC3676_CLIRQ          0x1f
-
-#define LTC3676_BUCK_DVDT_FAST (1 << 0)
-#define LTC3676_BUCK_KEEP_ALIVE        (1 << 1)
-#define LTC3676_BUCK_CLK_RATE_LOW (1 << 2)
-#define LTC3676_BUCK_PHASE_SEL (1 << 3)
-#define LTC3676_BUCK_ENABLE_300        (1 << 4)
-#define LTC3676_BUCK_PULSE_SKIP        (0 << 5)
-#define LTC3676_BUCK_BURST_MODE        (1 << 5)
-#define LTC3676_BUCK_CONTINUOUS        (2 << 5)
-#define LTC3676_BUCK_ENABLE    (1 << 7)
-
-#define LTC3676_PGOOD_MASK     (1 << 5)
-
-#define LTC3676_MSKPG_BUCK1    (1 << 0)
-#define LTC3676_MSKPG_BUCK2    (1 << 1)
-#define LTC3676_MSKPG_BUCK3    (1 << 2)
-#define LTC3676_MSKPG_BUCK4    (1 << 3)
-#define LTC3676_MSKPG_LDO2     (1 << 5)
-#define LTC3676_MSKPG_LDO3     (1 << 6)
-#define LTC3676_MSKPG_LDO4     (1 << 7)
-
-#define VDD_IO_VAL             mV_to_regval(vout_to_vref(3300 * 10, 5))
-#define VDD_IO_VAL_LP          mV_to_regval(vout_to_vref(3100 * 10, 5))
-#define VDD_IO_VAL_2           mV_to_regval(vout_to_vref(3300 * 10, 5_2))
-#define VDD_IO_VAL_2_LP                mV_to_regval(vout_to_vref(3100 * 10, 5_2))
-#define VDD_SOC_VAL            mV_to_regval(vout_to_vref(1425 * 10, 6))
-#define VDD_SOC_VAL_LP         mV_to_regval(vout_to_vref(900 * 10, 6))
-#define VDD_DDR_VAL            mV_to_regval(vout_to_vref(1500 * 10, 7))
-#define VDD_CORE_VAL           mV_to_regval(vout_to_vref(1425 * 10, 8))
-#define VDD_CORE_VAL_LP                mV_to_regval(vout_to_vref(900 * 10, 8))
-
-/* LDO1 */
-#define R1_1                   470
-#define R2_1                   150
-/* LDO4 */
-#define R1_4                   470
-#define R2_4                   150
-/* Buck1 */
-#define R1_5                   390
-#define R2_5                   110
-#define R1_5_2                 470
-#define R2_5_2                 150
-/* Buck2 */
-#define R1_6                   150
-#define R2_6                   180
-/* Buck3 */
-#define R1_7                   150
-#define R2_7                   140
-/* Buck4 */
-#define R1_8                   150
-#define R2_8                   180
-
-/* calculate voltages in 10mV */
-#define R1(idx)                        R1_##idx
-#define R2(idx)                        R2_##idx
-
-#define vout_to_vref(vout, idx)        ((vout) * R2(idx) / (R1(idx) + R2(idx)))
-#define vref_to_vout(vref, idx)        DIV_ROUND_UP((vref) * (R1(idx) + R2(idx)), R2(idx))
-
-#define mV_to_regval(mV)       DIV_ROUND(((((mV) < 4125) ? 4125 : (mV)) - 4125), 125)
-#define regval_to_mV(v)                (((v) * 125 + 4125))
-
-static struct ltc3673_regs {
-       u8 addr;
-       u8 val;
-       u8 mask;
-} ltc3676_regs[] = {
-       { LTC3676_MSKPG, ~LTC3676_MSKPG_BUCK1, },
-       { LTC3676_DVB2B, VDD_SOC_VAL | LTC3676_PGOOD_MASK, ~0x3f, },
-       { LTC3676_DVB3B, VDD_DDR_VAL, ~0x3f, },
-       { LTC3676_DVB4B, VDD_CORE_VAL | LTC3676_PGOOD_MASK, ~0x3f, },
-       { LTC3676_DVB2A, VDD_SOC_VAL, ~0x3f, },
-       { LTC3676_DVB3A, VDD_DDR_VAL, ~0x3f, },
-       { LTC3676_DVB4A, VDD_CORE_VAL, ~0x3f, },
-       { LTC3676_BUCK1, LTC3676_BUCK_BURST_MODE | LTC3676_BUCK_CLK_RATE_LOW, },
-       { LTC3676_BUCK2, LTC3676_BUCK_BURST_MODE, },
-       { LTC3676_BUCK3, LTC3676_BUCK_BURST_MODE, },
-       { LTC3676_BUCK4, LTC3676_BUCK_BURST_MODE, },
-       { LTC3676_CLIRQ, 0, }, /* clear interrupt status */
-};
-
-static struct ltc3673_regs ltc3676_regs_1[] = {
-       { LTC3676_DVB1B, VDD_IO_VAL_LP | LTC3676_PGOOD_MASK, ~0x3f, },
-       { LTC3676_DVB1A, VDD_IO_VAL, ~0x3f, },
-};
-
-static struct ltc3673_regs ltc3676_regs_2[] = {
-       { LTC3676_DVB1B, VDD_IO_VAL_2_LP | LTC3676_PGOOD_MASK, ~0x3f, },
-       { LTC3676_DVB1A, VDD_IO_VAL_2, ~0x3f, },
-};
-
-static int tx6_rev_2(void)
-{
-       struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
-       struct fuse_bank5_regs *fuse = (void *)ocotp->bank[5].fuse_regs;
-       u32 pad_settings = readl(&fuse->pad_settings);
-
-       debug("Fuse pad_settings @ %p = %08x\n",
-               &fuse->pad_settings, pad_settings);
-       return pad_settings & 1;
-}
-
-static int tx6_ltc3676_setup_regs(struct ltc3673_regs *r, size_t count)
-{
-       int ret;
-       int i;
-
-       for (i = 0; i < count; i++, r++) {
-#ifdef DEBUG
-               unsigned char value;
-
-               ret = i2c_read(CONFIG_SYS_I2C_SLAVE, r->addr, 1, &value, 1);
-               if ((value & ~r->mask) != r->val) {
-                       printf("Changing PMIC reg %02x from %02x to %02x\n",
-                               r->addr, value, r->val);
-               }
-               if (ret) {
-                       printf("%s: failed to read PMIC register %02x: %d\n",
-                               __func__, r->addr, ret);
-                       return ret;
-               }
-#endif
-               ret = i2c_write(CONFIG_SYS_I2C_SLAVE,
-                               r->addr, 1, &r->val, 1);
-               if (ret) {
-                       printf("%s: failed to write PMIC register %02x: %d\n",
-                               __func__, r->addr, ret);
-                       return ret;
-               }
-       }
-       return 0;
-}
-
-static int setup_pmic_voltages(void)
-{
-       int ret;
-       unsigned char value;
-
-       ret = i2c_probe(CONFIG_SYS_I2C_SLAVE);
-       if (ret != 0) {
-               printf("Failed to initialize I2C\n");
-               return ret;
-       }
-
-       ret = i2c_read(CONFIG_SYS_I2C_SLAVE, 0x11, 1, &value, 1);
-       if (ret) {
-               printf("%s: i2c_read error: %d\n", __func__, ret);
-               return ret;
-       }
-
-       ret = tx6_ltc3676_setup_regs(ltc3676_regs, ARRAY_SIZE(ltc3676_regs));
-       if (ret)
-               return ret;
-
-       printf("VDDCORE set to %umV\n",
-               DIV_ROUND(vref_to_vout(regval_to_mV(VDD_CORE_VAL), 8), 10));
-       printf("VDDSOC  set to %umV\n",
-               DIV_ROUND(vref_to_vout(regval_to_mV(VDD_SOC_VAL), 6), 10));
-
-       if (tx6_rev_2()) {
-               ret = tx6_ltc3676_setup_regs(ltc3676_regs_2,
-                               ARRAY_SIZE(ltc3676_regs_2));
-               printf("VDDIO   set to %umV\n",
-                       DIV_ROUND(vref_to_vout(
-                                       regval_to_mV(VDD_IO_VAL_2), 5_2), 10));
-       } else {
-               ret = tx6_ltc3676_setup_regs(ltc3676_regs_1,
-                               ARRAY_SIZE(ltc3676_regs_1));
-       }
-       return ret;
-}
-
 int board_early_init_f(void)
 {
        gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
@@ -425,15 +241,13 @@ int board_init(void)
 
        /* Address of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x1000;
-#ifdef CONFIG_OF_LIBFDT
        gd->bd->bi_arch_number = -1;
-#else
-       gd->bd->bi_arch_number = 4429;
-#endif
+
        if (ctrlc()) {
                printf("CTRL-C detected; Skipping PMIC setup\n");
                return 1;
        }
+
        ret = setup_pmic_voltages();
        if (ret) {
                printf("Failed to setup PMIC voltages\n");
@@ -463,28 +277,45 @@ void dram_init_banksize(void)
 }
 
 #ifdef CONFIG_CMD_MMC
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                   \
+       PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
+       PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
 static const iomux_v3_cfg_t mmc0_pads[] = {
-       MX6_PAD_SD1_CMD__USDHC1_CMD,
-       MX6_PAD_SD1_CLK__USDHC1_CLK,
-       MX6_PAD_SD1_DAT0__USDHC1_DAT0,
-       MX6_PAD_SD1_DAT1__USDHC1_DAT1,
-       MX6_PAD_SD1_DAT2__USDHC1_DAT2,
-       MX6_PAD_SD1_DAT3__USDHC1_DAT3,
+       MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_CLK__USDHC1_CLK | 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),
        /* SD1 CD */
        MX6_PAD_SD3_CMD__GPIO_7_2,
 };
 
 static const iomux_v3_cfg_t mmc1_pads[] = {
-       MX6_PAD_SD2_CMD__USDHC2_CMD,
-       MX6_PAD_SD2_CLK__USDHC2_CLK,
-       MX6_PAD_SD2_DAT0__USDHC2_DAT0,
-       MX6_PAD_SD2_DAT1__USDHC2_DAT1,
-       MX6_PAD_SD2_DAT2__USDHC2_DAT2,
-       MX6_PAD_SD2_DAT3__USDHC2_DAT3,
+       MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       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),
        /* SD2 CD */
        MX6_PAD_SD3_CLK__GPIO_7_3,
 };
 
+#ifdef CONFIG_MMC_BOOT_SIZE
+static const iomux_v3_cfg_t mmc3_pads[] = {
+       MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       /* eMMC RESET */
+       MX6_PAD_NANDF_ALE__USDHC4_RST,
+};
+#endif
+
 static struct tx6_esdhc_cfg {
        const iomux_v3_cfg_t *pads;
        int num_pads;
@@ -492,6 +323,18 @@ static struct tx6_esdhc_cfg {
        struct fsl_esdhc_cfg cfg;
        int cd_gpio;
 } tx6qdl_esdhc_cfg[] = {
+#ifdef CONFIG_MMC_BOOT_SIZE
+       {
+               .pads = mmc3_pads,
+               .num_pads = ARRAY_SIZE(mmc3_pads),
+               .clkid = MXC_ESDHC4_CLK,
+               .cfg = {
+                       .esdhc_base = (void __iomem *)USDHC4_BASE_ADDR,
+                       .max_bus_width = 4,
+               },
+               .cd_gpio = -EINVAL,
+       },
+#endif
        {
                .pads = mmc0_pads,
                .num_pads = ARRAY_SIZE(mmc0_pads),
@@ -524,7 +367,7 @@ int board_mmc_getcd(struct mmc *mmc)
        struct tx6_esdhc_cfg *cfg = to_tx6_esdhc_cfg(mmc->priv);
 
        if (cfg->cd_gpio < 0)
-               return cfg->cd_gpio;
+               return 1;
 
        debug("SD card %d is %spresent\n",
                cfg - tx6qdl_esdhc_cfg,
@@ -541,18 +384,17 @@ int board_mmc_init(bd_t *bis)
                struct tx6_esdhc_cfg *cfg = &tx6qdl_esdhc_cfg[i];
                int ret;
 
-               if (i >= CONFIG_SYS_FSL_ESDHC_NUM)
-                       break;
-
                cfg->cfg.sdhc_clk = mxc_get_clock(cfg->clkid);
                imx_iomux_v3_setup_multiple_pads(cfg->pads, cfg->num_pads);
 
-               ret = gpio_request_one(cfg->cd_gpio,
-                               GPIOF_INPUT, "MMC CD");
-               if (ret) {
-                       printf("Error %d requesting GPIO%d_%d\n",
-                               ret, cfg->cd_gpio / 32, cfg->cd_gpio % 32);
-                       continue;
+               if (cfg->cd_gpio >= 0) {
+                       ret = gpio_request_one(cfg->cd_gpio,
+                                       GPIOF_INPUT, "MMC CD");
+                       if (ret) {
+                               printf("Error %d requesting GPIO%d_%d\n",
+                                       ret, cfg->cd_gpio / 32, cfg->cd_gpio % 32);
+                               continue;
+                       }
                }
 
                debug("%s: Initializing MMC slot %d\n", __func__, i);
@@ -561,7 +403,7 @@ int board_mmc_init(bd_t *bis)
                mmc = find_mmc_device(i);
                if (mmc == NULL)
                        continue;
-               if (board_mmc_getcd(mmc) > 0)
+               if (board_mmc_getcd(mmc))
                        mmc_init(mmc);
        }
        return 0;
@@ -641,36 +483,6 @@ static const iomux_v3_cfg_t stk5_pads[] = {
        /* SW controlled LED on STK5 baseboard */
        MX6_PAD_EIM_A18__GPIO_2_20,
 
-       /* LCD data pins */
-       MX6_PAD_DISP0_DAT0__IPU1_DISP0_DAT_0,
-       MX6_PAD_DISP0_DAT1__IPU1_DISP0_DAT_1,
-       MX6_PAD_DISP0_DAT2__IPU1_DISP0_DAT_2,
-       MX6_PAD_DISP0_DAT3__IPU1_DISP0_DAT_3,
-       MX6_PAD_DISP0_DAT4__IPU1_DISP0_DAT_4,
-       MX6_PAD_DISP0_DAT5__IPU1_DISP0_DAT_5,
-       MX6_PAD_DISP0_DAT6__IPU1_DISP0_DAT_6,
-       MX6_PAD_DISP0_DAT7__IPU1_DISP0_DAT_7,
-       MX6_PAD_DISP0_DAT8__IPU1_DISP0_DAT_8,
-       MX6_PAD_DISP0_DAT9__IPU1_DISP0_DAT_9,
-       MX6_PAD_DISP0_DAT10__IPU1_DISP0_DAT_10,
-       MX6_PAD_DISP0_DAT11__IPU1_DISP0_DAT_11,
-       MX6_PAD_DISP0_DAT12__IPU1_DISP0_DAT_12,
-       MX6_PAD_DISP0_DAT13__IPU1_DISP0_DAT_13,
-       MX6_PAD_DISP0_DAT14__IPU1_DISP0_DAT_14,
-       MX6_PAD_DISP0_DAT15__IPU1_DISP0_DAT_15,
-       MX6_PAD_DISP0_DAT16__IPU1_DISP0_DAT_16,
-       MX6_PAD_DISP0_DAT17__IPU1_DISP0_DAT_17,
-       MX6_PAD_DISP0_DAT18__IPU1_DISP0_DAT_18,
-       MX6_PAD_DISP0_DAT19__IPU1_DISP0_DAT_19,
-       MX6_PAD_DISP0_DAT20__IPU1_DISP0_DAT_20,
-       MX6_PAD_DISP0_DAT21__IPU1_DISP0_DAT_21,
-       MX6_PAD_DISP0_DAT22__IPU1_DISP0_DAT_22,
-       MX6_PAD_DISP0_DAT23__IPU1_DISP0_DAT_23,
-       MX6_PAD_DI0_PIN2__IPU1_DI0_PIN2, /* HSYNC */
-       MX6_PAD_DI0_PIN3__IPU1_DI0_PIN3, /* VSYNC */
-       MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, /* OE_ACD */
-       MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* LSCLK */
-
        /* I2C bus on DIMM pins 40/41 */
        MX6_PAD_GPIO_6__I2C3_SDA,
        MX6_PAD_GPIO_3__I2C3_SCL,
@@ -703,15 +515,18 @@ static const struct gpio stk5_gpios[] = {
 };
 
 #ifdef CONFIG_LCD
+static u16 tx6_cmap[256];
 vidinfo_t panel_info = {
        /* set to max. size supported by SoC */
        .vl_col = 1920,
        .vl_row = 1080,
 
        .vl_bpix = LCD_COLOR24,    /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
+       .cmap = tx6_cmap,
 };
 
 static struct fb_videomode tx6_fb_modes[] = {
+#ifndef CONFIG_SYS_LVDS_IF
        {
                /* Standard VGA timing */
                .name           = "VGA",
@@ -830,6 +645,42 @@ static struct fb_videomode tx6_fb_modes[] = {
                .lower_margin   = 525 - 480 - 35,
                .sync           = FB_SYNC_CLK_LAT_FALL,
        },
+       {
+               /* Emerging ET070001DM6 800 x 480 display.
+                * 152.4 mm x 91.44 mm display area.
+                */
+               .name           = "ET070001DM6",
+               .refresh        = 60,
+               .xres           = 800,
+               .yres           = 480,
+               .pixclock       = KHZ2PICOS(33260),
+               .left_margin    = 216 - 128,
+               .hsync_len      = 128,
+               .right_margin   = 1056 - 800 - 216,
+               .upper_margin   = 35 - 2,
+               .vsync_len      = 2,
+               .lower_margin   = 525 - 480 - 35,
+               .sync           = 0,
+       },
+#else
+       {
+               /* HannStar HSD100PXN1
+                * 202.7m mm x 152.06 mm display area.
+                */
+               .name           = "HSD100PXN1",
+               .refresh        = 60,
+               .xres           = 1024,
+               .yres           = 768,
+               .pixclock       = KHZ2PICOS(65000),
+               .left_margin    = 0,
+               .hsync_len      = 0,
+               .right_margin   = 320,
+               .upper_margin   = 0,
+               .vsync_len      = 0,
+               .lower_margin   = 38,
+               .sync           = FB_SYNC_CLK_LAT_FALL,
+       },
+#endif
        {
                /* unnamed entry for assigning parameters parsed from 'video_mode' string */
                .refresh        = 60,
@@ -844,6 +695,12 @@ static struct fb_videomode tx6_fb_modes[] = {
 };
 
 static int lcd_enabled = 1;
+static int lcd_bl_polarity;
+
+static int lcd_backlight_polarity(void)
+{
+       return lcd_bl_polarity;
+}
 
 void lcd_enable(void)
 {
@@ -862,7 +719,8 @@ void lcd_enable(void)
                udelay(100);
                gpio_set_value(TX6_LCD_RST_GPIO, 1);
                udelay(300000);
-               gpio_set_value(TX6_LCD_BACKLIGHT_GPIO, 0);
+               gpio_set_value(TX6_LCD_BACKLIGHT_GPIO,
+                       lcd_backlight_polarity());
        }
 }
 
@@ -878,7 +736,8 @@ void lcd_panel_disable(void)
 {
        if (lcd_enabled) {
                debug("Switching LCD off\n");
-               gpio_set_value(TX6_LCD_BACKLIGHT_GPIO, 1);
+               gpio_set_value(TX6_LCD_BACKLIGHT_GPIO,
+                       !lcd_backlight_polarity());
                gpio_set_value(TX6_LCD_RST_GPIO, 0);
                gpio_set_value(TX6_LCD_PWR_GPIO, 0);
        }
@@ -892,11 +751,8 @@ static const iomux_v3_cfg_t stk5_lcd_pads[] = {
        /* LCD Backlight (PWM) */
        MX6_PAD_GPIO_1__GPIO_1_1,
 
+#ifndef CONFIG_SYS_LVDS_IF
        /* Display */
-       MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
-       MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15,
-       MX6_PAD_DI0_PIN2__IPU1_DI0_PIN2,
-       MX6_PAD_DI0_PIN3__IPU1_DI0_PIN3,
        MX6_PAD_DISP0_DAT0__IPU1_DISP0_DAT_0,
        MX6_PAD_DISP0_DAT1__IPU1_DISP0_DAT_1,
        MX6_PAD_DISP0_DAT2__IPU1_DISP0_DAT_2,
@@ -921,6 +777,11 @@ static const iomux_v3_cfg_t stk5_lcd_pads[] = {
        MX6_PAD_DISP0_DAT21__IPU1_DISP0_DAT_21,
        MX6_PAD_DISP0_DAT22__IPU1_DISP0_DAT_22,
        MX6_PAD_DISP0_DAT23__IPU1_DISP0_DAT_23,
+       MX6_PAD_DI0_PIN2__IPU1_DI0_PIN2, /* HSYNC */
+       MX6_PAD_DI0_PIN3__IPU1_DI0_PIN3, /* VSYNC */
+       MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, /* OE_ACD */
+       MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* LSCLK */
+#endif
 };
 
 static const struct gpio stk5_lcd_gpios[] = {
@@ -932,15 +793,15 @@ static const struct gpio stk5_lcd_gpios[] = {
 void lcd_ctrl_init(void *lcdbase)
 {
        int color_depth = 24;
-       const char *video_mode = getenv("video_mode");
+       const char *video_mode = karo_get_vmode(getenv("video_mode"));
        const char *vm;
        unsigned long val;
        int refresh = 60;
        struct fb_videomode *p = &tx6_fb_modes[0];
        struct fb_videomode fb_mode;
        int xres_set = 0, yres_set = 0, bpp_set = 0, refresh_set = 0;
-       int pix_fmt = 0;
-       ipu_di_clk_parent_t di_clk_parent = DI_PCLK_PLL3;
+       int pix_fmt;
+       int lcd_bus_width;
        unsigned long di_clk_rate = 65000000;
 
        if (!lcd_enabled) {
@@ -956,15 +817,15 @@ void lcd_ctrl_init(void *lcdbase)
        }
 
        karo_fdt_move_fdt();
+       lcd_bl_polarity = karo_fdt_get_backlight_polarity(working_fdt);
 
-       vm = karo_fdt_set_display(video_mode, "", "/soc/aips-bus/ldb");
-       if (vm == NULL) {
+       if (video_mode == NULL) {
                debug("Disabling LCD\n");
                lcd_enabled = 0;
                return;
        }
-       video_mode = vm;
-       if (karo_fdt_get_fb_mode(working_fdt, vm, &fb_mode) == 0) {
+       vm = video_mode;
+       if (karo_fdt_get_fb_mode(working_fdt, video_mode, &fb_mode) == 0) {
                p = &fb_mode;
                debug("Using video mode from FDT\n");
                vm += strlen(vm);
@@ -1011,7 +872,7 @@ void lcd_ctrl_init(void *lcdbase)
                                        switch (val) {
                                        case 32:
                                        case 24:
-                                               if (pix_fmt == IPU_PIX_FMT_LVDS666)
+                                               if (is_lvds())
                                                        pix_fmt = IPU_PIX_FMT_LVDS888;
                                                /* fallthru */
                                        case 16:
@@ -1020,7 +881,7 @@ void lcd_ctrl_init(void *lcdbase)
                                                break;
 
                                        case 18:
-                                               if (pix_fmt == IPU_PIX_FMT_LVDS666) {
+                                               if (is_lvds()) {
                                                        color_depth = val;
                                                        break;
                                                }
@@ -1053,19 +914,6 @@ void lcd_ctrl_init(void *lcdbase)
                        break;
 
                default:
-                       if (!pix_fmt) {
-                               char *tmp;
-
-                               if (strncmp(vm, "LVDS", 4) == 0) {
-                                       pix_fmt = IPU_PIX_FMT_LVDS666;
-                                       di_clk_parent = DI_PCLK_LDB;
-                               } else {
-                                       pix_fmt = IPU_PIX_FMT_RGB24;
-                               }
-                               tmp = strchr(vm, ':');
-                               if (tmp)
-                                       vm = tmp;
-                       }
                        if (*vm != '\0')
                                vm++;
                }
@@ -1102,11 +950,10 @@ void lcd_ctrl_init(void *lcdbase)
 
        p->pixclock = KHZ2PICOS(refresh *
                (p->xres + p->left_margin + p->right_margin + p->hsync_len) *
-               (p->yres + p->upper_margin + p->lower_margin + p->vsync_len)
-               / 1000);
+               (p->yres + p->upper_margin + p->lower_margin + p->vsync_len) /
+                               1000);
        debug("Pixel clock set to %lu.%03lu MHz\n",
-               PICOS2KHZ(p->pixclock) / 1000,
-               PICOS2KHZ(p->pixclock) % 1000);
+               PICOS2KHZ(p->pixclock) / 1000, PICOS2KHZ(p->pixclock) % 1000);
 
        if (p != &fb_mode) {
                int ret;
@@ -1123,25 +970,56 @@ void lcd_ctrl_init(void *lcdbase)
        imx_iomux_v3_setup_multiple_pads(stk5_lcd_pads,
                                        ARRAY_SIZE(stk5_lcd_pads));
 
-       debug("Initializing FB driver\n");
-       if (!pix_fmt)
-               pix_fmt = IPU_PIX_FMT_RGB24;
-       else if (pix_fmt == IPU_PIX_FMT_LVDS666) {
-               writel(0x01, IOMUXC_BASE_ADDR + 8);
-       } else if (pix_fmt == IPU_PIX_FMT_LVDS888) {
-               writel(0x21, IOMUXC_BASE_ADDR + 8);
-       }
-       if (pix_fmt != IPU_PIX_FMT_RGB24) {
-               struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-               /* enable LDB & DI0 clock */
-               writel(readl(&ccm_regs->CCGR3) | MXC_CCM_CCGR3_LDB_DI0_MASK |
-                       MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK,
-                       &ccm_regs->CCGR3);
+       lcd_bus_width = karo_fdt_get_lcd_bus_width(working_fdt, 24);
+       switch (lcd_bus_width) {
+       case 24:
+               pix_fmt = is_lvds() ? IPU_PIX_FMT_LVDS888 : IPU_PIX_FMT_RGB24;
+               break;
+
+       case 18:
+               pix_fmt = is_lvds() ? IPU_PIX_FMT_LVDS666 : IPU_PIX_FMT_RGB666;
+               break;
+
+       case 16:
+               if (!is_lvds()) {
+                       pix_fmt = IPU_PIX_FMT_RGB565;
+                       break;
+               }
+               /* fallthru */
+       default:
+               lcd_enabled = 0;
+               printf("Invalid %s bus width: %d\n", is_lvds() ? "LVDS" : "LCD",
+                       lcd_bus_width);
+               return;
        }
+       if (is_lvds()) {
+               int lvds_mapping = karo_fdt_get_lvds_mapping(working_fdt, 0);
+               int lvds_chan_mask = karo_fdt_get_lvds_channels(working_fdt);
+               uint32_t gpr2;
 
+               if (lvds_chan_mask == 0) {
+                       printf("No LVDS channel active\n");
+                       lcd_enabled = 0;
+                       return;
+               }
+
+               gpr2 = (lvds_mapping << 6) | (lvds_mapping << 8);
+               if (lcd_bus_width == 24)
+                       gpr2 |= (1 << 5) | (1 << 7);
+               gpr2 |= (lvds_chan_mask & 1) ? 1 << 0 : 0;
+               gpr2 |= (lvds_chan_mask & 2) ? 3 << 2 : 0;
+               debug("writing %08x to GPR2[%08x]\n", gpr2, IOMUXC_BASE_ADDR + 8);
+               writel(gpr2, IOMUXC_BASE_ADDR + 8);
+       }
        if (karo_load_splashimage(0) == 0) {
+               int ret;
+
                debug("Initializing LCD controller\n");
-               ipuv3_fb_init(p, 0, pix_fmt, di_clk_parent, di_clk_rate, -1);
+               ret = ipuv3_fb_init(p, 0, pix_fmt, DI_PCLK_PLL3, di_clk_rate, -1);
+               if (ret) {
+                       printf("Failed to initialize FB driver: %d\n", ret);
+                       lcd_enabled = 0;
+               }
        } else {
                debug("Skipping initialization of LCD controller\n");
        }
@@ -1185,7 +1063,7 @@ static void tx6qdl_set_cpu_clock(void)
                printf("CPU clock set to %lu.%03lu MHz\n",
                        cpu_clk / 1000000, cpu_clk / 1000 % 1000);
        } else {
-               printf("Failed to set CPU clock to %lu MHz\n", cpu_clk);
+               printf("Error: Failed to set CPU clock to %lu MHz\n", cpu_clk);
        }
 }
 
@@ -1199,8 +1077,8 @@ static void tx6_init_mac(void)
                return;
        }
 
-       eth_setenv_enetaddr("ethaddr", mac);
        printf("MAC addr from fuse: %pM\n", mac);
+       eth_setenv_enetaddr("ethaddr", mac);
 }
 
 int board_late_init(void)
@@ -1248,6 +1126,12 @@ exit:
        return ret;
 }
 
+#ifdef CONFIG_TX6_V2
+#define TX6_FLASH_SZ   0
+#else
+#define TX6_FLASH_SZ   (2 * (CONFIG_SYS_NAND_BLOCKS / 1024 - 1))
+#endif
+
 int checkboard(void)
 {
        u32 cpurev = get_cpu_rev();
@@ -1255,10 +1139,11 @@ int checkboard(void)
 
        tx6qdl_print_cpuinfo();
 
-       printf("Board: Ka-Ro TX6%c-%dx1%d\n",
+       printf("Board: Ka-Ro TX6%c-%d%d1%d\n",
                cpu_variant == MXC_CPU_MX6Q ? 'Q' : 'U',
                cpu_variant == MXC_CPU_MX6Q ? 1 : 8,
-               1 - PHYS_SDRAM_1_WIDTH / 64);
+               is_lvds(), 1 - PHYS_SDRAM_1_WIDTH / 64 +
+               TX6_FLASH_SZ);
 
        return 0;
 }
@@ -1281,7 +1166,6 @@ void get_board_serial(struct tag_serialnr *serialnr)
 static struct node_info nodes[] = {
        { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
 };
-
 #else
 #define fdt_fixup_mtdparts(b,n,c) do { } while (0)
 #endif
@@ -1289,25 +1173,31 @@ static struct node_info nodes[] = {
 static const char *tx6_touchpanels[] = {
        "ti,tsc2007",
        "edt,edt-ft5x06",
+       "eeti,egalax_ts",
 };
 
 void ft_board_setup(void *blob, bd_t *bd)
 {
        const char *baseboard = getenv("baseboard");
        int stk5_v5 = baseboard != NULL && (strcmp(baseboard, "stk5-v5") == 0);
-       const char *video_mode = getenv("video_mode");
+       const char *video_mode = karo_get_vmode(getenv("video_mode"));
+       int ret;
+
+       ret = fdt_increase_size(blob, 4096);
+       if (ret)
+               printf("Failed to increase FDT size: %s\n", fdt_strerror(ret));
 
-       karo_fdt_enable_node(blob, "stk5led", !stk5_v5);
+       if (stk5_v5)
+               karo_fdt_enable_node(blob, "stk5led", 0);
 
        fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
        fdt_fixup_ethernet(blob);
 
        karo_fdt_fixup_touchpanel(blob, tx6_touchpanels,
                                ARRAY_SIZE(tx6_touchpanels));
-       karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy");
+       karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy", "vbus-supply");
        karo_fdt_fixup_flexcan(blob, stk5_v5);
 
-       video_mode = karo_fdt_set_display(video_mode, "", "/soc/aips-bus/ldb");
        karo_fdt_update_fb_mode(blob, video_mode);
 }
 #endif /* CONFIG_OF_BOARD_SETUP */