#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)
#define MUX_CFG_SION IOMUX_PAD(0, 0, IOMUX_CONFIG_SION, 0, 0, 0)
static const iomux_v3_cfg_t tx6qdl_pads[] = {
+#ifndef CONFIG_NO_NAND
/* NAND flash pads */
MX6_PAD_NANDF_CLE__RAWNAND_CLE,
MX6_PAD_NANDF_ALE__RAWNAND_ALE,
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,
int read_cpu_temperature(void);
int check_cpu_temperature(int boot);
+static const char *tx6_mod_suffix;
+
static void tx6qdl_print_cpuinfo(void)
{
u32 cpurev = get_cpu_rev();
switch ((cpurev >> 12) & 0xff) {
case MXC_CPU_MX6SL:
cpu_str = "SL";
+ tx6_mod_suffix = "?";
break;
case MXC_CPU_MX6DL:
cpu_str = "DL";
+ tx6_mod_suffix = "U";
break;
case MXC_CPU_MX6SOLO:
cpu_str = "SOLO";
+ tx6_mod_suffix = "S";
break;
case MXC_CPU_MX6Q:
cpu_str = "Q";
+ tx6_mod_suffix = "Q";
break;
}
check_cpu_temperature(1);
}
-#define LTC3676_DVB2A 0x0C
-#define LTC3676_DVB2B 0x0D
-#define LTC3676_DVB4A 0x10
-#define LTC3676_DVB4B 0x11
-
-#define VDD_SOC_mV (1375 + 50)
-#define VDD_CORE_mV (1375 + 50)
-
-#define mV_to_regval(mV) (((mV) * 360 / 330 - 825 + 1) / 25)
-#define regval_to_mV(v) (((v) * 25 + 825) * 330 / 360)
-
-static int setup_pmic_voltages(void)
-{
- int ret;
- unsigned char value;
-
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-
- 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;
- }
-
- /* VDDCORE/VDDSOC default 1.375V is not enough, considering
- pfuze tolerance and IR drop and ripple, need increase
- to 1.425V for SabreSD */
-
- value = 0x39; /* VB default value & PGOOD not forced when slewing */
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3676_DVB2B, 1, &value, 1);
- if (ret) {
- printf("%s: failed to write PMIC DVB2B register: %d\n",
- __func__, ret);
- return ret;
- }
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3676_DVB4B, 1, &value, 1);
- if (ret) {
- printf("%s: failed to write PMIC DVB4B register: %d\n",
- __func__, ret);
- return ret;
- }
-
- value = mV_to_regval(VDD_SOC_mV);
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3676_DVB2A, 1, &value, 1);
- if (ret) {
- printf("%s: failed to write PMIC DVB2A register: %d\n",
- __func__, ret);
- return ret;
- }
- printf("VDDSOC set to %dmV\n", regval_to_mV(value));
-
- value = mV_to_regval(VDD_CORE_mV);
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3676_DVB4A, 1, &value, 1);
- if (ret) {
- printf("%s: failed to write PMIC DVB4A register: %d\n",
- __func__, ret);
- return ret;
- }
- printf("VDDCORE set to %dmV\n", regval_to_mV(value));
- return 0;
-}
-
int board_early_init_f(void)
{
gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
/* 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");
}
#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;
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),
static inline struct tx6_esdhc_cfg *to_tx6_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
{
- void *p = cfg;
-
- return p - offsetof(struct tx6_esdhc_cfg, cfg);
+ return container_of(cfg, struct tx6_esdhc_cfg, cfg);
}
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,
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);
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;
/* 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,
};
#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",
.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,
};
static int lcd_enabled = 1;
+static int lcd_bl_polarity;
+
+static int lcd_backlight_polarity(void)
+{
+ return lcd_bl_polarity;
+}
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());
}
}
{
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);
}
/* 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,
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[] = {
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 = &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) {
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");
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:
break;
case 18:
- if (pix_fmt == IPU_PIX_FMT_LVDS666) {
+ if (is_lvds()) {
color_depth = val;
break;
}
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++;
}
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_COLOR24;
+ }
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;
- char *modename = getenv("video_mode");
- printf("Creating new display-timing node from '%s'\n",
- modename);
- ret = karo_fdt_create_fb_mode(working_fdt, modename, p);
+ 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",
- modename, ret);
+ 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)
- 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");
}
{
unsigned long cpu_clk = getenv_ulong("cpu_clk", 10, 0);
- 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)
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);
}
}
return;
}
- eth_setenv_enetaddr("ethaddr", mac);
printf("MAC addr from fuse: %pM\n", mac);
+ eth_setenv_enetaddr("ethaddr", mac);
}
int board_late_init(void)
tx6_init_mac();
gpio_set_value(TX6_RESET_OUT_GPIO, 1);
+ clear_ctrlc();
return ret;
}
+#ifdef CONFIG_NO_NAND
+#ifdef CONFIG_MMC_BOOT_SIZE
+#define TX6_FLASH_SZ (CONFIG_MMC_BOOT_SIZE / 1024 - 1 + 2)
+#else
+#define TX6_FLASH_SZ 3
+#endif
+#else /* CONFIG_NO_NAND */
+#define TX6_FLASH_SZ (CONFIG_SYS_NAND_BLOCKS / 1024 - 1)
+#endif /* CONFIG_NO_NAND */
+
+#ifdef CONFIG_SYS_SDRAM_BUS_WIDTH
+#define TX6_DDR_SZ (ffs(CONFIG_SYS_SDRAM_BUS_WIDTH / 16) - 1)
+#else
+#define TX6_DDR_SZ 2
+#endif
+
+#if CONFIG_TX6_REV >= 0x3
+static char tx6_mem_table[] = {
+ '4', /* 256MiB SDRAM; 128MiB NAND */
+ '1', /* 512MiB SDRAM; 128MiB NAND */
+ '0', /* 1GiB SDRAM; 128MiB NAND */
+ '?', /* 256MiB SDRAM; 256MiB NAND */
+ '?', /* 512MiB SDRAM; 256MiB NAND */
+ '2', /* 1GiB SDRAM; 256MiB NAND */
+ '?', /* 256MiB SDRAM; 4GiB eMMC */
+ '5', /* 512MiB SDRAM; 4GiB eMMC */
+ '3', /* 1GiB SDRAM; 4GiB eMMC */
+ '?', /* 256MiB SDRAM; 8GiB eMMC */
+ '?', /* 512MiB SDRAM; 8GiB eMMC */
+ '?', /* 1GiB SDRAM; 8GiB eMMC */
+};
+
+static inline char tx6_mem_suffix(void)
+{
+ size_t mem_idx = (TX6_FLASH_SZ * 3) + TX6_DDR_SZ;
+
+ debug("TX6_DDR_SZ=%d TX6_FLASH_SZ=%d idx=%d\n",
+ TX6_DDR_SZ, TX6_FLASH_SZ, mem_idx);
+
+ if (mem_idx >= ARRAY_SIZE(tx6_mem_table))
+ return '?';
+
+ return tx6_mem_table[mem_idx];
+};
+#else /* CONFIG_TX6_REV >= 0x3 */
+static inline char tx6_mem_suffix(void)
+{
+#ifdef CONFIG_SYS_SDRAM_BUS_WIDTH
+ if (CONFIG_SYS_SDRAM_BUS_WIDTH == 32)
+ return '1';
+#endif
+#ifdef CONFIG_SYS_NAND_BLOCKS
+ if (CONFIG_SYS_NAND_BLOCKS == 2048)
+ return '2';
+#endif
+ return '0';
+}
+#endif /* CONFIG_TX6_REV >= 0x3 */
+
int checkboard(void)
{
u32 cpurev = get_cpu_rev();
tx6qdl_print_cpuinfo();
- printf("Board: Ka-Ro TX6%c-%dxx%d\n",
- cpu_variant == MXC_CPU_MX6Q ? 'Q' : 'U',
+ printf("Board: Ka-Ro TX6%s-%d%d%d%c\n",
+ tx6_mod_suffix,
cpu_variant == MXC_CPU_MX6Q ? 1 : 8,
- 1 - PHYS_SDRAM_1_WIDTH / 64);
+ is_lvds(), CONFIG_TX6_REV,
+ tx6_mem_suffix());
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,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
};
-
#else
#define fdt_fixup_mtdparts(b,n,c) do { } while (0)
#endif
-static int flexcan_enabled(void *blob)
-{
- const char *can_ifs[] = {
- "can0",
- "can1",
- };
- size_t i;
-
- for (i = 0; i < ARRAY_SIZE(can_ifs); i++) {
- const char *status;
- int off = fdt_path_offset(blob, can_ifs[i]);
-
- if (off < 0) {
- debug("node '%s' not found\n", can_ifs[i]);
- continue;
- }
- status = fdt_getprop(blob, off, "status", NULL);
- if (strcmp(status, "okay") == 0) {
- debug("%s is enabled\n", can_ifs[i]);
- return 1;
- }
- }
- debug("can driver is disabled\n");
- return 0;
-}
-
-static void tx6qdl_set_lcd_pins(void *blob, const char *name)
-{
- int off = fdt_path_offset(blob, name);
- u32 ph;
- const struct fdt_property *pc;
- int len;
-
- if (off < 0)
- return;
-
- ph = fdt_create_phandle(blob, off);
- if (!ph)
- return;
-
- off = fdt_path_offset(blob, "display");
- if (off < 0)
- return;
-
- pc = fdt_get_property(blob, off, "pinctrl-0", &len);
- if (!pc || len < sizeof(ph))
- return;
-
- memcpy((void *)pc->data, &ph, sizeof(ph));
- fdt_setprop_cell(blob, off, "pinctrl-0", ph);
-}
-
-static void tx6qdl_fixup_flexcan(void *blob, int stk5_v5)
-{
- const char *xcvr_status = "disabled";
-
- if (stk5_v5) {
- if (flexcan_enabled(blob)) {
- tx6qdl_set_lcd_pins(blob, "lcdif_23bit_pins_a");
- xcvr_status = "okay";
- } else {
- tx6qdl_set_lcd_pins(blob, "lcdif_24bit_pins_a");
- }
- } else {
- const char *otg_mode = getenv("otg_mode");
-
- if (otg_mode && (strcmp(otg_mode, "host") == 0))
- karo_fdt_enable_node(blob, "can1", 0);
-
- tx6qdl_set_lcd_pins(blob, "lcdif_24bit_pins_a");
- }
- fdt_find_and_setprop(blob, "/regulators/can-xcvr", "status",
- xcvr_status, strlen(xcvr_status) + 1, 1);
-}
+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 = 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);
- karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy");
- tx6qdl_fixup_flexcan(blob, stk5_v5);
- karo_fdt_update_fb_mode(blob, getenv("video_mode"));
+ karo_fdt_fixup_touchpanel(blob, tx6_touchpanels,
+ ARRAY_SIZE(tx6_touchpanels));
+ karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy", "vbus-supply");
+ karo_fdt_fixup_flexcan(blob, stk5_v5);
+
+ karo_fdt_update_fb_mode(blob, video_mode);
}
-#endif
+#endif /* CONFIG_OF_BOARD_SETUP */
projects / karo-tx-uboot.git / blobdiff