karo: tx6: add definition for ET070001DM6 display

[karo-tx-uboot.git] / board / karo / tx6 / tx6qdl.c

diff --git a/board/karo/tx6/tx6qdl.c b/board/karo/tx6/tx6qdl.c
index 2b59efb0e77f850bf29918f2119509dcd2c32340..7293396f4848b935283940f5d9340b397431b55e 100644 (file)
--- a/board/karo/tx6/tx6qdl.c
+++ b/board/karo/tx6/tx6qdl.c
@@ -40,7 +40,7 @@
 
 #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)
@@ -336,7 +336,7 @@ static int tx6_rev_2(void)
        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",
+       debug("Fuse pad_settings @ %p = %02x\n",
                &fuse->pad_settings, pad_settings);
        return pad_settings & 1;
 }
@@ -425,15 +425,13 @@ 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");
@@ -703,12 +701,14 @@ 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[] = {
@@ -831,6 +831,23 @@ 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
@@ -959,7 +976,8 @@ void lcd_ctrl_init(void *lcdbase)
        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 = is_lvds() ? IPU_PIX_FMT_LVDS666 : IPU_PIX_FMT_RGB24;
+       int pix_fmt;
+       int lcd_bus_width;
        unsigned long di_clk_rate = 65000000;
 
        if (!lcd_enabled) {
@@ -1029,7 +1047,7 @@ 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:
@@ -1038,7 +1056,7 @@ void lcd_ctrl_init(void *lcdbase)
                                                break;
 
                                        case 18:
-                                               if (pix_fmt == IPU_PIX_FMT_LVDS666) {
+                                               if (is_lvds()) {
                                                        color_depth = val;
                                                        break;
                                                }
@@ -1127,24 +1145,56 @@ 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");
-#ifdef CONFIG_SYS_LVDS_IF
-       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);
+       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;
        }
-       {
-               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);
+       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);
        }
-#endif
        if (karo_load_splashimage(0) == 0) {
+               int ret;
+
                debug("Initializing LCD controller\n");
-               ipuv3_fb_init(p, 0, pix_fmt, DI_PCLK_PLL3, 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");
        }
@@ -1188,7 +1238,7 @@ 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);
        }
 }
 
@@ -1202,8 +1252,8 @@ 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)
@@ -1291,6 +1341,7 @@ 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)