]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - board/karo/tx53/tx53.c
Merge branch 'tx53-devel' into uboot-merge
[karo-tx-uboot.git] / board / karo / tx53 / tx53.c
index 11e473f5af557352c20c32ae542071346300d6ca..b203d4e1d7f79a8f65716b96aaf8c3ea1e8aa288 100644 (file)
@@ -472,9 +472,6 @@ int board_mmc_init(bd_t *bis)
                struct tx53_esdhc_cfg *cfg = &tx53_esdhc_cfg[i];
                int ret;
 
-               if (i >= CONFIG_SYS_FSL_ESDHC_NUM)
-                       break;
-
                imx_iomux_v3_setup_multiple_pads(cfg->pads, cfg->num_pads);
                cfg->cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 
@@ -607,12 +604,14 @@ static const struct gpio stk5_gpios[] = {
 };
 
 #ifdef CONFIG_LCD
+static u16 tx53_cmap[256];
 vidinfo_t panel_info = {
        /* set to max. size supported by SoC */
        .vl_col = 1600,
        .vl_row = 1200,
 
        .vl_bpix = LCD_COLOR24,    /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
+       .cmap = tx53_cmap,
 };
 
 static struct fb_videomode tx53_fb_modes[] = {
@@ -768,6 +767,12 @@ static struct fb_videomode tx53_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)
 {
@@ -786,7 +791,8 @@ void lcd_enable(void)
                udelay(100);
                gpio_set_value(TX53_LCD_RST_GPIO, 1);
                udelay(300000);
-               gpio_set_value(TX53_LCD_BACKLIGHT_GPIO, is_lvds());
+               gpio_set_value(TX53_LCD_BACKLIGHT_GPIO,
+                       lcd_backlight_polarity());
        }
 }
 
@@ -802,7 +808,8 @@ void lcd_panel_disable(void)
 {
        if (lcd_enabled) {
                debug("Switching LCD off\n");
-               gpio_set_value(TX53_LCD_BACKLIGHT_GPIO, !is_lvds());
+               gpio_set_value(TX53_LCD_BACKLIGHT_GPIO,
+                       !lcd_backlight_polarity());
                gpio_set_value(TX53_LCD_RST_GPIO, 0);
                gpio_set_value(TX53_LCD_PWR_GPIO, 0);
        }
@@ -878,7 +885,8 @@ void lcd_ctrl_init(void *lcdbase)
        struct fb_videomode *p = &tx53_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;
        ipu_di_clk_parent_t di_clk_parent = is_lvds() ? DI_PCLK_LDB : DI_PCLK_PLL3;
        unsigned long di_clk_rate = 65000000;
 
@@ -895,6 +903,7 @@ void lcd_ctrl_init(void *lcdbase)
        }
 
        karo_fdt_move_fdt();
+       lcd_bl_polarity = karo_fdt_get_backlight_polarity(working_fdt);
 
        if (video_mode == NULL) {
                debug("Disabling LCD\n");
@@ -991,12 +1000,6 @@ void lcd_ctrl_init(void *lcdbase)
                        break;
 
                default:
-                       if (!pix_fmt) {
-                               char *tmp = strchr(vm, ':');
-
-                               if (tmp)
-                                       vm = tmp;
-                       }
                        if (*vm != '\0')
                                vm++;
                }
@@ -1033,11 +1036,10 @@ 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;
@@ -1054,20 +1056,47 @@ 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->CCGR6) | (3 << 28) | (3 << 10),
-                       &ccm_regs->CCGR6);
+       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;
 
@@ -1110,7 +1139,6 @@ static void stk5v5_board_init(void)
 static void tx53_set_cpu_clock(void)
 {
        unsigned long cpu_clk = getenv_ulong("cpu_clk", 10, 0);
-       int ret;
 
        if (had_ctrlc() || (wrsr & WRSR_TOUT))
                return;
@@ -1118,14 +1146,13 @@ static void tx53_set_cpu_clock(void)
        if (cpu_clk == 0 || cpu_clk == mxc_get_clock(MXC_ARM_CLK) / 1000000)
                return;
 
-       ret = mxc_set_clock(CONFIG_SYS_MX5_HCLK, cpu_clk, MXC_ARM_CLK);
-       if (ret != 0) {
+       if (mxc_set_clock(CONFIG_SYS_MX5_HCLK, cpu_clk, MXC_ARM_CLK) == 0) {
+               cpu_clk = mxc_get_clock(MXC_ARM_CLK);
+               printf("CPU clock set to %lu.%03lu MHz\n",
+                       cpu_clk / 1000000, cpu_clk / 1000 % 1000);
+       } else {
                printf("Error: Failed to set CPU clock to %lu MHz\n", cpu_clk);
-               return;
        }
-       printf("CPU clock set to %u.%03u MHz\n",
-               mxc_get_clock(MXC_ARM_CLK) / 1000000,
-               mxc_get_clock(MXC_ARM_CLK) / 1000 % 1000);
 }
 
 static void tx53_init_mac(void)
@@ -1154,12 +1181,20 @@ int board_late_init(void)
        if (!baseboard)
                goto exit;
 
+       printf("Baseboard: %s\n", baseboard);
+
        if (strncmp(baseboard, "stk5", 4) == 0) {
-               printf("Baseboard: %s\n", baseboard);
                if ((strlen(baseboard) == 4) ||
                        strcmp(baseboard, "stk5-v3") == 0) {
                        stk5v3_board_init();
                } else if (strcmp(baseboard, "stk5-v5") == 0) {
+                       const char *otg_mode = getenv("otg_mode");
+
+                       if (otg_mode && strcmp(otg_mode, "host") == 0) {
+                               printf("otg_mode='%s' is incompatible with baseboard %s; setting to 'none'\n",
+                                       otg_mode, baseboard);
+                               setenv("otg_mode", "none");
+                       }
                        stk5v5_board_init();
                } else {
                        printf("WARNING: Unsupported STK5 board rev.: %s\n",
@@ -1173,6 +1208,7 @@ int board_late_init(void)
 
 exit:
        tx53_init_mac();
+
        gpio_set_value(TX53_RESET_OUT_GPIO, 1);
        clear_ctrlc();
        return ret;
@@ -1195,7 +1231,6 @@ int checkboard(void)
 static struct node_info nodes[] = {
        { "fsl,imx53-nand", MTD_DEV_TYPE_NAND, },
 };
-
 #else
 #define fdt_fixup_mtdparts(b,n,c) do { } while (0)
 #endif
@@ -1212,20 +1247,10 @@ static inline void tx53_fixup_rtc(void *blob)
 }
 #endif /* CONFIG_SYS_TX53_HWREV_2 */
 
-#ifndef CONFIG_SYS_LVDS_IF
-static inline void tx53_fdt_fixup_sata(void *blob)
-{
-       karo_fdt_enable_node(blob, "/soc/sata", 0);
-}
-#else
-static inline void tx53_fdt_fixup_sata(void *blob)
-{
-}
-#endif
-
 static const char *tx53_touchpanels[] = {
        "ti,tsc2007",
        "edt,edt-ft5x06",
+       "eeti,egalax_ts",
 };
 
 void ft_board_setup(void *blob, bd_t *bd)
@@ -1233,13 +1258,18 @@ 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 = 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));
 
        fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
        fdt_fixup_ethernet(blob);
 
        karo_fdt_fixup_touchpanel(blob, tx53_touchpanels,
                                ARRAY_SIZE(tx53_touchpanels));
-       karo_fdt_fixup_usb_otg(blob, "fsl,imx-otg", "fsl,usbphy");
+       karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy");
        karo_fdt_fixup_flexcan(blob, stk5_v5);
        tx53_fixup_rtc(blob);
        karo_fdt_update_fb_mode(blob, video_mode);