/*
- * Copyright (C) 2011 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright (C) 2011-2013 Lothar Waßmann <LW@KARO-electronics.de>
* based on: board/freescale/mx28_evk.c (C) 2010 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#define FEC_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_DVS | PAD_CTL_DSE_HIGH | \
PAD_CTL_SRE_FAST)
#define FEC_PAD_CTRL2 MUX_PAD_CTRL(PAD_CTL_DVS | PAD_CTL_SRE_FAST)
-#define GPIO_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_DVS | PAD_CTL_DSE_HIGH)
+#define GPIO_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_DVS | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP)
static iomux_v3_cfg_t tx51_pads[] = {
/* NAND flash pads are set up in lowlevel_init.S */
static const struct gpio tx51_gpios[] = {
/* RESET_OUT */
- { TX51_RESET_OUT_GPIO, GPIOF_OUTPUT_INIT_LOW, "RESET_OUT", },
+ { TX51_RESET_OUT_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "RESET_OUT", },
/* FEC PHY control GPIOs */
- { TX51_FEC_PWR_GPIO, GPIOF_OUTPUT_INIT_LOW, "FEC POWER", }, /* PHY POWER */
- { TX51_FEC_RST_GPIO, GPIOF_OUTPUT_INIT_LOW, "FEC RESET", }, /* PHY RESET */
- { TX51_FEC_INT_GPIO, GPIOF_INPUT, "FEC PHY INT", }, /* PHY INT (TX_ER) */
+ { TX51_FEC_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "FEC POWER", }, /* PHY POWER */
+ { TX51_FEC_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "FEC RESET", }, /* PHY RESET */
+ { TX51_FEC_INT_GPIO, GPIOFLAG_INPUT, "FEC PHY INT", }, /* PHY INT (TX_ER) */
/* FEC PHY strap pins */
- { IMX_GPIO_NR(3, 11), GPIOF_OUTPUT_INIT_LOW, "FEC PHY REGOFF", }, /* RX_CLK/REGOFF */
- { IMX_GPIO_NR(3, 31), GPIOF_OUTPUT_INIT_LOW, "FEC PHY MODE0", }, /* RXD0/Mode0 */
- { IMX_GPIO_NR(2, 23), GPIOF_OUTPUT_INIT_LOW, "FEC PHY MODE1", }, /* RXD1/Mode1 */
- { IMX_GPIO_NR(2, 27), GPIOF_OUTPUT_INIT_LOW, "FEC PHY MODE2", }, /* RXD2/Mode2 */
- { IMX_GPIO_NR(2, 28), GPIOF_OUTPUT_INIT_LOW, "FEC PHY nINTSEL", }, /* RXD3/nINTSEL */
- { IMX_GPIO_NR(3, 10), GPIOF_OUTPUT_INIT_LOW, "FEC PHY RMII", }, /* COL/RMII/CRSDV */
- { IMX_GPIO_NR(2, 30), GPIOF_OUTPUT_INIT_LOW, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
+ { IMX_GPIO_NR(3, 11), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY REGOFF", }, /* RX_CLK/REGOFF */
+ { IMX_GPIO_NR(3, 31), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY MODE0", }, /* RXD0/Mode0 */
+ { IMX_GPIO_NR(2, 23), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY MODE1", }, /* RXD1/Mode1 */
+ { IMX_GPIO_NR(2, 27), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY MODE2", }, /* RXD2/Mode2 */
+ { IMX_GPIO_NR(2, 28), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY nINTSEL", }, /* RXD3/nINTSEL */
+ { IMX_GPIO_NR(3, 10), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY RMII", }, /* COL/RMII/CRSDV */
+ { IMX_GPIO_NR(2, 30), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
/* module internal I2C bus */
- { IMX_GPIO_NR(4, 17), GPIOF_INPUT, "I2C1 SDA", },
- { IMX_GPIO_NR(4, 16), GPIOF_INPUT, "I2C1 SCL", },
+ { IMX_GPIO_NR(4, 17), GPIOFLAG_INPUT, "I2C1 SDA", },
+ { IMX_GPIO_NR(4, 16), GPIOFLAG_INPUT, "I2C1 SCL", },
/* Unconnected pins */
- { IMX_GPIO_NR(1, 0), GPIOF_OUTPUT_INIT_LOW, "N/C", },
- { IMX_GPIO_NR(1, 1), GPIOF_OUTPUT_INIT_LOW, "N/C", },
+ { IMX_GPIO_NR(1, 0), GPIOFLAG_OUTPUT_INIT_LOW, "N/C", },
+ { IMX_GPIO_NR(1, 1), GPIOFLAG_OUTPUT_INIT_LOW, "N/C", },
};
/*
int board_early_init_f(void)
{
- struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)MXC_CCM_BASE;
+ struct mxc_ccm_reg *ccm_regs = (void *)CCM_BASE_ADDR;
-#ifdef CONFIG_CMD_BOOTCE
- /* WinCE fails to enable these clocks */
- writel(readl(&ccm_regs->CCGR2) | 0x0c000000, &ccm_regs->CCGR2); /* usboh3_ipg_ahb */
- writel(readl(&ccm_regs->CCGR4) | 0x30000000, &ccm_regs->CCGR4); /* srtc */
- writel(readl(&ccm_regs->CCGR6) | 0x00000300, &ccm_regs->CCGR6); /* emi_garb */
-#endif
gpio_request_array(tx51_gpios, ARRAY_SIZE(tx51_gpios));
imx_iomux_v3_setup_multiple_pads(tx51_pads, ARRAY_SIZE(tx51_pads));
writel(0x00000000, AIPS2_BASE_ADDR + 0x4c);
writel(0x00000000, AIPS2_BASE_ADDR + 0x50);
+ writel(0xffcfffff, &ccm_regs->CCGR0);
+ writel(0x003fffff, &ccm_regs->CCGR1);
+ writel(0x030c003c, &ccm_regs->CCGR2);
+ writel(0x000000ff, &ccm_regs->CCGR3);
+ writel(0x00000000, &ccm_regs->CCGR4);
+ writel(0x003fc003, &ccm_regs->CCGR5);
+ writel(0x00000000, &ccm_regs->CCGR6);
+ writel(0x00000000, &ccm_regs->cmeor);
+#ifdef CONFIG_CMD_BOOTCE
+ /* WinCE fails to enable these clocks */
+ writel(readl(&ccm_regs->CCGR2) | 0x0c000000, &ccm_regs->CCGR2); /* usboh3_ipg_ahb */
+ writel(readl(&ccm_regs->CCGR4) | 0x30000000, &ccm_regs->CCGR4); /* srtc */
+ writel(readl(&ccm_regs->CCGR6) | 0x00000300, &ccm_regs->CCGR6); /* emi_garb */
+#endif
return 0;
}
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x1000;
+
+ if (ctrlc() || (wrsr & WRSR_TOUT)) {
+ if (wrsr & WRSR_TOUT)
+ printf("WDOG RESET detected\n");
+ else
+ printf("<CTRL-C> detected; safeboot enabled\n");
+ return 1;
+ }
return 0;
}
MX51_PAD_SD1_DATA2__SD1_DATA2,
MX51_PAD_SD1_DATA3__SD1_DATA3,
/* SD1 CD */
- MX51_PAD_DISPB2_SER_RS__GPIO3_8 | MUX_PAD_CTRL(PAD_CTL_PUE | PAD_CTL_PKE),
+ MX51_PAD_DISPB2_SER_RS__GPIO3_8 | GPIO_PAD_CTRL,
};
static const iomux_v3_cfg_t mmc1_pads[] = {
MX51_PAD_SD2_DATA2__SD2_DATA2,
MX51_PAD_SD2_DATA3__SD2_DATA3,
/* SD2 CD */
- MX51_PAD_DISPB2_SER_DIO__GPIO3_6 | MUX_PAD_CTRL(PAD_CTL_PUE | PAD_CTL_PKE),
+ MX51_PAD_DISPB2_SER_DIO__GPIO3_6 | GPIO_PAD_CTRL,
};
static struct tx51_esdhc_cfg {
.num_pads = ARRAY_SIZE(mmc0_pads),
.cfg = {
.esdhc_base = (void __iomem *)MMC_SDHC1_BASE_ADDR,
+ .max_bus_width = 4,
},
.cd_gpio = IMX_GPIO_NR(3, 8),
},
.num_pads = ARRAY_SIZE(mmc1_pads),
.cfg = {
.esdhc_base = (void __iomem *)MMC_SDHC2_BASE_ADDR,
+ .max_bus_width = 4,
},
.cd_gpio = IMX_GPIO_NR(3, 6),
},
};
-static struct tx51_esdhc_cfg *to_tx51_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
+static inline struct tx51_esdhc_cfg *to_tx51_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
{
return container_of(cfg, struct tx51_esdhc_cfg, cfg);
}
struct tx51_esdhc_cfg *cfg = &tx51_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);
- fsl_esdhc_initialize(bis, &cfg->cfg);
-
ret = gpio_request_one(cfg->cd_gpio,
- GPIOF_INPUT, "MMC CD");
+ GPIOFLAG_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);
+ fsl_esdhc_initialize(bis, &cfg->cfg);
+
mmc = find_mmc_device(i);
if (mmc == NULL)
continue;
#define PHYAD4 ((CONFIG_FEC_MXC_PHYADDR >> 4) & !(CONFIG_FEC_MXC_PHYADDR >> 5))
static struct gpio tx51_fec_gpios[] = {
- { TX51_FEC_PWR_GPIO, GPIOF_OUTPUT_INIT_HIGH, "FEC PHY POWER", },
- { IMX_GPIO_NR(3, 31), GPIOF_OUTPUT_INIT_HIGH, "FEC PHY Mode0", }, /* RXD0/Mode0 */
- { IMX_GPIO_NR(2, 23), GPIOF_OUTPUT_INIT_HIGH, "FEC PHY Mode1", }, /* RXD1/Mode1 */
- { IMX_GPIO_NR(2, 27), GPIOF_OUTPUT_INIT_HIGH, "FEC PHY Mode2", }, /* RXD2/Mode2 */
- { IMX_GPIO_NR(2, 28), GPIOF_OUTPUT_INIT_HIGH, "FEC PHY nINTSEL", }, /* RXD3/nINTSEL */
+ { TX51_FEC_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY POWER", },
+ { IMX_GPIO_NR(3, 31), GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY Mode0", }, /* RXD0/Mode0 */
+ { IMX_GPIO_NR(2, 23), GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY Mode1", }, /* RXD1/Mode1 */
+ { IMX_GPIO_NR(2, 27), GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY Mode2", }, /* RXD2/Mode2 */
+ { IMX_GPIO_NR(2, 28), GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY nINTSEL", }, /* RXD3/nINTSEL */
#if PHYAD4
- { IMX_GPIO_NR(2, 30), GPIOF_OUTPUT_INIT_HIGH, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
+ { IMX_GPIO_NR(2, 30), GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
#else
- { IMX_GPIO_NR(2, 30), GPIOF_OUTPUT_INIT_LOW, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
+ { IMX_GPIO_NR(2, 30), GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY PHYAD4", }, /* CRS/PHYAD4 */
#endif
};
int board_eth_init(bd_t *bis)
{
int ret;
- unsigned char mac[ETH_ALEN];
/* Power up the external phy and assert strap options */
gpio_request_array(tx51_fec_gpios, ARRAY_SIZE(tx51_fec_gpios));
/* Deassert RESET to the external phy */
gpio_set_value(TX51_FEC_RST_GPIO, 1);
- /* Without this delay the PHY won't work, though nothing in
- * the datasheets suggests that it should be necessary!
+ /*
+ * Due to an RC-filter in the PHY RESET line, a minimum
+ * delay of 535us is required to let the RESET line rise
+ * above the logic high threshold of the PHY input pin.
*/
- udelay(400);
+ udelay(550);
imx_iomux_v3_setup_multiple_pads(tx51_fec_pads,
ARRAY_SIZE(tx51_fec_pads));
ret = cpu_eth_init(bis);
- if (ret) {
+ if (ret)
printf("cpu_eth_init() failed: %d\n", ret);
- return ret;
- }
-
- imx_get_mac_from_fuse(0, mac);
- eth_setenv_enetaddr("ethaddr", mac);
- printf("MAC addr from fuse: %pM\n", mac);
return ret;
}
static const iomux_v3_cfg_t stk5_pads[] = {
/* SW controlled LED on STK5 baseboard */
- MX51_PAD_CSI2_D13__GPIO4_10,
+ MX51_PAD_CSI2_D13__GPIO4_10 | GPIO_PAD_CTRL,
/* USB PHY reset */
- MX51_PAD_GPIO1_4__GPIO1_4,
+ MX51_PAD_GPIO1_4__GPIO1_4 | GPIO_PAD_CTRL,
/* USBOTG OC */
- MX51_PAD_GPIO1_6__GPIO1_6,
+ MX51_PAD_GPIO1_6__GPIO1_6 | GPIO_PAD_CTRL,
/* USB PHY clock enable */
- MX51_PAD_GPIO1_7__GPIO1_7,
+ MX51_PAD_GPIO1_7__GPIO1_7 | GPIO_PAD_CTRL,
/* USBH1 VBUS enable */
- MX51_PAD_GPIO1_8__GPIO1_8,
+ MX51_PAD_GPIO1_8__GPIO1_8 | GPIO_PAD_CTRL,
/* USBH1 OC */
- MX51_PAD_GPIO1_9__GPIO1_9,
+ MX51_PAD_GPIO1_9__GPIO1_9 | GPIO_PAD_CTRL,
};
static const struct gpio stk5_gpios[] = {
- { TX51_LED_GPIO, GPIOF_OUTPUT_INIT_LOW, "HEARTBEAT LED", },
+ { TX51_LED_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "HEARTBEAT LED", },
- { IMX_GPIO_NR(1, 4), GPIOF_OUTPUT_INIT_LOW, "ULPI PHY clk enable", },
- { IMX_GPIO_NR(1, 6), GPIOF_INPUT, "USBOTG OC", },
- { IMX_GPIO_NR(1, 7), GPIOF_OUTPUT_INIT_LOW, "ULPI PHY reset", },
- { IMX_GPIO_NR(1, 8), GPIOF_OUTPUT_INIT_LOW, "USBH1 VBUS enable", },
- { IMX_GPIO_NR(1, 9), GPIOF_INPUT, "USBH1 OC", },
+ { IMX_GPIO_NR(1, 4), GPIOFLAG_OUTPUT_INIT_LOW, "ULPI PHY clk enable", },
+ { IMX_GPIO_NR(1, 6), GPIOFLAG_INPUT, "USBOTG OC", },
+ { IMX_GPIO_NR(1, 7), GPIOFLAG_OUTPUT_INIT_LOW, "ULPI PHY reset", },
+ { IMX_GPIO_NR(1, 8), GPIOFLAG_OUTPUT_INIT_LOW, "USBH1 VBUS enable", },
+ { IMX_GPIO_NR(1, 9), GPIOFLAG_INPUT, "USBH1 OC", },
};
#ifdef CONFIG_LCD
-static ushort tx51_cmap[256];
+static u16 tx51_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 ... */
+ .vl_bpix = LCD_COLOR32, /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
.cmap = tx51_cmap,
};
};
static int lcd_enabled = 1;
+static int lcd_bl_polarity;
+
+static int lcd_backlight_polarity(void)
+{
+ return lcd_bl_polarity;
+}
void lcd_enable(void)
{
*/
lcd_is_enabled = 0;
- karo_load_splashimage(1);
if (lcd_enabled) {
+ karo_load_splashimage(1);
+
debug("Switching LCD on\n");
gpio_set_value(TX51_LCD_PWR_GPIO, 1);
udelay(100);
gpio_set_value(TX51_LCD_RST_GPIO, 1);
udelay(300000);
- gpio_set_value(TX51_LCD_BACKLIGHT_GPIO, 0);
+ gpio_set_value(TX51_LCD_BACKLIGHT_GPIO,
+ lcd_backlight_polarity());
}
}
void lcd_disable(void)
{
- printf("Disabling LCD\n");
+ if (lcd_enabled) {
+ printf("Disabling LCD\n");
+ ipuv3_fb_shutdown();
+ }
}
void lcd_panel_disable(void)
{
if (lcd_enabled) {
debug("Switching LCD off\n");
- gpio_set_value(TX51_LCD_BACKLIGHT_GPIO, 1);
+ gpio_set_value(TX51_LCD_BACKLIGHT_GPIO,
+ !lcd_backlight_polarity());
gpio_set_value(TX51_LCD_RST_GPIO, 0);
gpio_set_value(TX51_LCD_PWR_GPIO, 0);
}
};
static const struct gpio stk5_lcd_gpios[] = {
- { TX51_LCD_RST_GPIO, GPIOF_OUTPUT_INIT_LOW, "LCD RESET", },
- { TX51_LCD_PWR_GPIO, GPIOF_OUTPUT_INIT_LOW, "LCD POWER", },
- { TX51_LCD_BACKLIGHT_GPIO, GPIOF_OUTPUT_INIT_HIGH, "LCD BACKLIGHT", },
+ { TX51_LCD_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD RESET", },
+ { TX51_LCD_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD POWER", },
+ { TX51_LCD_BACKLIGHT_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "LCD BACKLIGHT", },
};
void lcd_ctrl_init(void *lcdbase)
{
int color_depth = 24;
- char *vm;
+ const char *video_mode = karo_get_vmode(getenv("video_mode"));
+ const char *vm;
unsigned long val;
int refresh = 60;
struct fb_videomode *p = &tx51_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;
+ int pix_fmt;
+ int lcd_bus_width;
ipu_di_clk_parent_t di_clk_parent = DI_PCLK_PLL3;
unsigned long di_clk_rate = 65000000;
return;
}
- if (tstc() || (wrsr & WRSR_TOUT)) {
+ if (had_ctrlc() || (wrsr & WRSR_TOUT)) {
debug("Disabling LCD\n");
lcd_enabled = 0;
+ setenv("splashimage", NULL);
return;
}
karo_fdt_move_fdt();
+ lcd_bl_polarity = karo_fdt_get_backlight_polarity(working_fdt);
- vm = getenv("video_mode");
- if (vm == NULL) {
+ if (video_mode == NULL) {
debug("Disabling LCD\n");
lcd_enabled = 0;
return;
}
- 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);
- if (fb_mode.xres < panel_info.vl_col)
- panel_info.vl_col = fb_mode.xres;
- if (fb_mode.yres < panel_info.vl_row)
- panel_info.vl_row = fb_mode.yres;
+ if (fb_mode.xres > panel_info.vl_col ||
+ fb_mode.yres > panel_info.vl_row) {
+ printf("video resolution from DT: %dx%d exceeds hardware limits: %dx%d\n",
+ fb_mode.xres, fb_mode.yres,
+ panel_info.vl_col, panel_info.vl_row);
+ lcd_enabled = 0;
+ return;
+ }
}
if (p->name != NULL)
debug("Trying compiled-in video modes\n");
case 8:
case 16:
case 24:
+ case 32:
color_depth = val;
break;
break;
default:
- if (!pix_fmt) {
- char *tmp;
-
- pix_fmt = IPU_PIX_FMT_RGB24;
- tmp = strchr(vm, ':');
- if (tmp)
- vm = tmp;
- }
if (*vm != '\0')
vm++;
}
printf("\n");
return;
}
+ if (p->xres > panel_info.vl_col || p->yres > panel_info.vl_row) {
+ printf("video resolution: %dx%d exceeds hardware limits: %dx%d\n",
+ p->xres, p->yres, panel_info.vl_col, panel_info.vl_row);
+ lcd_enabled = 0;
+ return;
+ }
+ panel_info.vl_col = p->xres;
+ panel_info.vl_row = p->yres;
+
+ switch (color_depth) {
+ case 8:
+ panel_info.vl_bpix = LCD_COLOR8;
+ break;
+ case 16:
+ panel_info.vl_bpix = LCD_COLOR16;
+ break;
+ default:
+ panel_info.vl_bpix = LCD_COLOR32;
+ }
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);
+ if (p != &fb_mode) {
+ int ret;
+
+ debug("Creating new display-timing node from '%s'\n",
+ video_mode);
+ ret = karo_fdt_create_fb_mode(working_fdt, video_mode, p);
+ if (ret)
+ printf("Failed to create new display-timing node from '%s': %d\n",
+ video_mode, ret);
+ }
+
gpio_request_array(stk5_lcd_gpios, ARRAY_SIZE(stk5_lcd_gpios));
imx_iomux_v3_setup_multiple_pads(stk5_lcd_pads,
ARRAY_SIZE(stk5_lcd_pads));
- debug("Initializing FB driver\n");
- if (!pix_fmt)
+ lcd_bus_width = karo_fdt_get_lcd_bus_width(working_fdt, 24);
+ switch (lcd_bus_width) {
+ case 24:
pix_fmt = IPU_PIX_FMT_RGB24;
+ break;
+
+ case 18:
+ pix_fmt = IPU_PIX_FMT_RGB666;
+ break;
+
+ case 16:
+ pix_fmt = IPU_PIX_FMT_RGB565;
+ break;
+ default:
+ lcd_enabled = 0;
+ printf("Invalid LCD bus width: %d\n", lcd_bus_width);
+ return;
+ }
if (karo_load_splashimage(0) == 0) {
+ int ret;
struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)MXC_CCM_BASE;
u32 ccgr4 = readl(&ccm_regs->CCGR4);
/* MIPI HSC clock is required for initialization */
writel(ccgr4 | (3 << 12), &ccm_regs->CCGR4);
- debug("Initializing LCD controller\n");
- ipuv3_fb_init(p, 0, pix_fmt, di_clk_parent, di_clk_rate, -1);
+ gd->arch.ipu_hw_rev = IPUV3_HW_REV_IPUV3DEX;
+ debug("Initializing LCD controller\n");
+ ret = ipuv3_fb_init(p, 0, pix_fmt, di_clk_parent, di_clk_rate, -1);
writel(ccgr4 & ~(3 << 12), &ccm_regs->CCGR4);
+ if (ret) {
+ printf("Failed to initialize FB driver: %d\n", ret);
+ lcd_enabled = 0;
+ }
} else {
debug("Skipping initialization of LCD controller\n");
}
static void tx51_set_cpu_clock(void)
{
unsigned long cpu_clk = getenv_ulong("cpu_clk", 10, 0);
- int ret;
- if (tstc() || (wrsr & WRSR_TOUT))
+ if (had_ctrlc() || (wrsr & WRSR_TOUT))
return;
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);
+ }
+}
+
+static void tx51_init_mac(void)
+{
+ u8 mac[ETH_ALEN];
+
+ imx_get_mac_from_fuse(0, mac);
+ if (!is_valid_ethaddr(mac)) {
+ printf("No valid MAC address programmed\n");
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);
+
+ printf("MAC addr from fuse: %pM\n", mac);
+ eth_setenv_enetaddr("ethaddr", mac);
}
int board_late_init(void)
int ret = 0;
const char *baseboard;
+ env_cleanup();
+
tx51_set_cpu_clock();
- karo_fdt_move_fdt();
+
+ if (had_ctrlc())
+ setenv_ulong("safeboot", 1);
+ else if (wrsr & WRSR_TOUT)
+ setenv_ulong("wdreset", 1);
+ else
+ karo_fdt_move_fdt();
baseboard = getenv("baseboard");
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();
}
exit:
+ tx51_init_mac();
+
gpio_set_value(TX51_RESET_OUT_GPIO, 1);
+ clear_ctrlc();
return ret;
}
int checkboard(void)
{
tx51_print_cpuinfo();
-
- printf("Board: Ka-Ro TX51-%sxx%s\n",
- TX51_MOD_PREFIX, TX51_MOD_SUFFIX);
-
+#if CONFIG_NR_DRAM_BANKS > 1
+ printf("Board: Ka-Ro TX51-8xx1 | TX51-8xx2\n");
+#else
+ printf("Board: Ka-Ro TX51-8xx0\n");
+#endif
return 0;
}
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
#include <jffs2/jffs2.h>
#include <mtd_node.h>
-struct node_info nodes[] = {
+static struct node_info nodes[] = {
{ "fsl,imx51-nand", MTD_DEV_TYPE_NAND, },
};
-
#else
#define fdt_fixup_mtdparts(b,n,c) do { } while (0)
#endif
-void ft_board_setup(void *blob, bd_t *bd)
+static const char *tx51_touchpanels[] = {
+ "ti,tsc2007",
+ "edt,edt-ft5x06",
+};
+
+int ft_board_setup(void *blob, bd_t *bd)
{
+ 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));
+ return ret;
+ }
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
- fdt_fixup_ethernet(blob);
- karo_fdt_fixup_touchpanel(blob);
- karo_fdt_fixup_usb_otg(blob, "fsl,imx-otg", "fsl,usbphy");
+ karo_fdt_fixup_touchpanel(blob, tx51_touchpanels,
+ ARRAY_SIZE(tx51_touchpanels));
+ karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy", "vbus-supply");
+ karo_fdt_update_fb_mode(blob, video_mode);
+
+ return 0;
}
-#endif
+#endif /* CONFIG_OF_BOARD_SETUP */
projects / karo-tx-uboot.git / blobdiff