/*
- * 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
#include <errno.h>
#include <libfdt.h>
#include <fdt_support.h>
+#include <i2c.h>
#include <lcd.h>
#include <netdev.h>
#include <mmc.h>
print_reset_cause();
}
+enum LTC3589_REGS {
+ LTC3589_SCR1 = 0x07,
+ LTC3589_SCR2 = 0x12,
+ LTC3589_VCCR = 0x20,
+ LTC3589_CLIRQ = 0x21,
+ LTC3589_B1DTV1 = 0x23,
+ LTC3589_B1DTV2 = 0x24,
+ LTC3589_VRRCR = 0x25,
+ LTC3589_B2DTV1 = 0x26,
+ LTC3589_B2DTV2 = 0x27,
+ LTC3589_B3DTV1 = 0x29,
+ LTC3589_B3DTV2 = 0x2a,
+ LTC3589_L2DTV1 = 0x32,
+ LTC3589_L2DTV2 = 0x33,
+};
+
+#define LTC3589_BnDTV1_PGOOD_MASK (1 << 5)
+#define LTC3589_BnDTV1_SLEW(n) (((n) & 3) << 6)
+
+#define LTC3589_CLK_RATE_LOW (1 << 5)
+
+#define LTC3589_SCR2_PGOOD_SHUTDWN (1 << 7)
+
+#define VDD_LDO2_VAL mV_to_regval(vout_to_vref(1325 * 10, 2))
+#define VDD_CORE_VAL mV_to_regval(vout_to_vref(1100 * 10, 3))
+#define VDD_SOC_VAL mV_to_regval(vout_to_vref(1325 * 10, 4))
+#define VDD_BUCK3_VAL mV_to_regval(vout_to_vref(2500 * 10, 5))
+
+#ifndef CONFIG_SYS_TX53_HWREV_2
+/* LDO2 vref divider */
+#define R1_2 180
+#define R2_2 191
+/* BUCK1 vref divider */
+#define R1_3 150
+#define R2_3 180
+/* BUCK2 vref divider */
+#define R1_4 180
+#define R2_4 191
+/* BUCK3 vref divider */
+#define R1_5 270
+#define R2_5 100
+#else
+/* no dividers on vref */
+#define R1_2 0
+#define R2_2 1
+#define R1_3 0
+#define R2_3 1
+#define R1_4 0
+#define R2_4 1
+#define R1_5 0
+#define R2_5 1
+#endif
+
+/* 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) < 3625) ? 3625 : (mV)) - 3625), 125)
+#define regval_to_mV(v) (((v) * 125 + 3625))
+
+static struct pmic_regs {
+ enum LTC3589_REGS addr;
+ u8 val;
+} ltc3589_regs[] = {
+ { LTC3589_SCR1, 0x15, }, /* burst mode for all regulators except buck boost */
+ { LTC3589_SCR2, LTC3589_SCR2_PGOOD_SHUTDWN, }, /* enable shutdown on PGOOD Timeout */
+
+ { LTC3589_L2DTV1, VDD_LDO2_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
+ { LTC3589_L2DTV2, VDD_LDO2_VAL | LTC3589_CLK_RATE_LOW, },
+
+ { LTC3589_B1DTV1, VDD_CORE_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
+ { LTC3589_B1DTV2, VDD_CORE_VAL, },
+
+ { LTC3589_B2DTV1, VDD_SOC_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
+ { LTC3589_B2DTV2, VDD_SOC_VAL, },
+
+ { LTC3589_B3DTV1, VDD_BUCK3_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
+ { LTC3589_B3DTV2, VDD_BUCK3_VAL, },
+
+ /* Select ref 0 for all regulators and enable slew */
+ { LTC3589_VCCR, 0x55, },
+
+ { LTC3589_CLIRQ, 0, }, /* clear all interrupt flags */
+};
+
+static int setup_pmic_voltages(void)
+{
+ int ret;
+ unsigned char value;
+ int i;
+
+ 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;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(ltc3589_regs); i++) {
+ ret = i2c_read(CONFIG_SYS_I2C_SLAVE, ltc3589_regs[i].addr, 1,
+ &value, 1);
+ debug("Writing %02x to reg %02x (%02x)\n",
+ ltc3589_regs[i].val, ltc3589_regs[i].addr, value);
+ ret = i2c_write(CONFIG_SYS_I2C_SLAVE, ltc3589_regs[i].addr, 1,
+ <c3589_regs[i].val, 1);
+ if (ret) {
+ printf("%s: failed to write PMIC register %02x: %d\n",
+ __func__, ltc3589_regs[i].addr, ret);
+ return ret;
+ }
+ }
+ printf("VDDCORE set to %umV\n",
+ DIV_ROUND(vref_to_vout(regval_to_mV(VDD_CORE_VAL), 3), 10));
+
+ printf("VDDSOC set to %umV\n",
+ DIV_ROUND(vref_to_vout(regval_to_mV(VDD_SOC_VAL), 4), 10));
+ return 0;
+}
+
+static struct {
+ u32 max_freq;
+ u32 mV;
+} tx53_core_voltages[] = {
+ { 800000000, 1100, },
+ { 1000000000, 1240, },
+ { 1200000000, 1350, },
+};
+
+int adjust_core_voltage(u32 freq)
+{
+ int ret;
+ int i;
+
+ printf("%s@%d\n", __func__, __LINE__);
+
+ for (i = 0; i < ARRAY_SIZE(tx53_core_voltages); i++) {
+ if (freq <= tx53_core_voltages[i].max_freq) {
+ int retries = 0;
+ const int max_tries = 10;
+ const int delay_us = 1;
+ u32 mV = tx53_core_voltages[i].mV;
+ u8 val = mV_to_regval(vout_to_vref(mV * 10, 3));
+ u8 v;
+
+ printf("regval[%umV]=%02x\n", mV, val);
+
+ ret = i2c_read(CONFIG_SYS_I2C_SLAVE, LTC3589_B1DTV1, 1,
+ &v, 1);
+ if (ret) {
+ printf("%s: failed to read PMIC register %02x: %d\n",
+ __func__, LTC3589_B1DTV1, ret);
+ return ret;
+ }
+ printf("Changing reg %02x from %02x to %02x\n",
+ LTC3589_B1DTV1, v, (v & ~0x1f) |
+ mV_to_regval(vout_to_vref(mV * 10, 3)));
+ v &= ~0x1f;
+ v |= mV_to_regval(vout_to_vref(mV * 10, 3));
+ ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3589_B1DTV1, 1,
+ &v, 1);
+ if (ret) {
+ printf("%s: failed to write PMIC register %02x: %d\n",
+ __func__, LTC3589_B1DTV1, ret);
+ return ret;
+ }
+ ret = i2c_read(CONFIG_SYS_I2C_SLAVE, LTC3589_VCCR, 1,
+ &v, 1);
+ if (ret) {
+ printf("%s: failed to read PMIC register %02x: %d\n",
+ __func__, LTC3589_VCCR, ret);
+ return ret;
+ }
+ v |= 0x1;
+ ret = i2c_write(CONFIG_SYS_I2C_SLAVE, LTC3589_VCCR, 1,
+ &v, 1);
+ if (ret) {
+ printf("%s: failed to write PMIC register %02x: %d\n",
+ __func__, LTC3589_VCCR, ret);
+ return ret;
+ }
+ for (retries = 0; retries < max_tries; retries++) {
+ ret = i2c_read(CONFIG_SYS_I2C_SLAVE,
+ LTC3589_VCCR, 1, &v, 1);
+ if (ret) {
+ printf("%s: failed to read PMIC register %02x: %d\n",
+ __func__, LTC3589_VCCR, ret);
+ return ret;
+ }
+ if (!(v & 1))
+ break;
+ udelay(delay_us);
+ }
+ if (v & 1) {
+ printf("change of VDDCORE did not complete after %uµs\n",
+ retries * delay_us);
+ return -ETIMEDOUT;
+ }
+
+ printf("VDDCORE set to %umV after %u loops\n",
+ DIV_ROUND(vref_to_vout(regval_to_mV(val & 0x1f), 3),
+ 10), retries);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
int board_early_init_f(void)
{
struct mxc_ccm_reg *ccm_regs = (void *)CCM_BASE_ADDR;
int board_init(void)
{
+ int ret;
+
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x1000;
+
+ if (ctrlc() || (wrsr & WRSR_TOUT)) {
+ printf("CTRL-C detected; Skipping PMIC setup\n");
+ return 1;
+ }
+
+ ret = setup_pmic_voltages();
+ if (ret) {
+ printf("Failed to setup PMIC voltages\n");
+ hang();
+ }
return 0;
}
},
};
-#if 1
-#define to_tx53_esdhc_cfg(p) container_of(p, struct tx53_esdhc_cfg, cfg)
-#else
-static struct tx53_esdhc_cfg *to_tx53_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
+static inline struct tx53_esdhc_cfg *to_tx53_esdhc_cfg(struct fsl_esdhc_cfg *cfg)
{
- void *p = cfg;
-
- return p - offsetof(struct tx53_esdhc_cfg, cfg);
+ return container_of(cfg, struct tx53_esdhc_cfg, cfg);
}
-#endif
int board_mmc_getcd(struct mmc *mmc)
{
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);
+ 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");
if (ret) {
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;
int board_eth_init(bd_t *bis)
{
int ret;
- unsigned char mac[ETH_ALEN];
/* delay at least 21ms for the PHY internal POR signal to deassert */
udelay(22000);
gpio_set_value(TX53_FEC_RST_GPIO, 1);
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;
}
};
#ifdef CONFIG_LCD
-static ushort tx53_cmap[256];
+static u16 tx53_cmap[256];
vidinfo_t panel_info = {
/* set to max. size supported by SoC */
.vl_col = 1600,
};
static struct fb_videomode tx53_fb_modes[] = {
+#ifndef CONFIG_SYS_LVDS_IF
{
/* Standard VGA timing */
.name = "VGA",
.lower_margin = 525 - 480 - 35,
.sync = FB_SYNC_CLK_LAT_FALL,
},
+#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)
{
*/
lcd_is_enabled = 0;
- karo_load_splashimage(1);
if (lcd_enabled) {
+ karo_load_splashimage(1);
+
debug("Switching LCD on\n");
gpio_set_value(TX53_LCD_PWR_GPIO, 1);
udelay(100);
gpio_set_value(TX53_LCD_RST_GPIO, 1);
udelay(300000);
- gpio_set_value(TX53_LCD_BACKLIGHT_GPIO, 0);
+ gpio_set_value(TX53_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(TX53_LCD_BACKLIGHT_GPIO, 1);
+ 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);
}
MX53_PAD_GPIO_1__GPIO1_1 | MX53_GPIO_PAD_CTRL,
/* Display */
+#ifndef CONFIG_SYS_LVDS_IF
+ /* LCD option */
MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
-
+#else
/* LVDS option */
MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
+#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 = &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 = 0;
- ipu_di_clk_parent_t di_clk_parent = DI_PCLK_PLL3;
+ 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;
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;
+
+ 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)
- 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->CCGR6) | (3 << 28) | (3 << 10),
- &ccm_regs->CCGR6);
+ 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;
+
+ gd->arch.ipu_hw_rev = IPUV3_HW_REV_IPUV3M;
+
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_clk_parent, 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");
}
static void tx53_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 tx53_init_mac(void)
+{
+ u8 mac[ETH_ALEN];
+
+ imx_get_mac_from_fuse(0, mac);
+ if (!is_valid_ether_addr(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)
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",
}
exit:
+ tx53_init_mac();
+
gpio_set_value(TX53_RESET_OUT_GPIO, 1);
+ clear_ctrlc();
return ret;
}
{
tx53_print_cpuinfo();
- printf("Board: Ka-Ro TX53-xx3%s\n",
- TX53_MOD_SUFFIX);
+ printf("Board: Ka-Ro TX53-x%d3%s\n",
+ is_lvds(), TX53_MOD_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,imx53-nand", MTD_DEV_TYPE_NAND, },
};
-
#else
#define fdt_fixup_mtdparts(b,n,c) do { } while (0)
#endif
-static void tx53_fixup_flexcan(void *blob)
-{
- const char *baseboard = getenv("baseboard");
-
- if (baseboard && strcmp(baseboard, "stk5-v5") == 0)
- return;
-
- karo_fdt_del_prop(blob, "fsl,p1010-flexcan", 0x53fc8000, "transceiver-switch");
- karo_fdt_del_prop(blob, "fsl,p1010-flexcan", 0x53fcc000, "transceiver-switch");
-}
-
#ifdef CONFIG_SYS_TX53_HWREV_2
-void tx53_fixup_rtc(void *blob)
+static void tx53_fixup_rtc(void *blob)
{
karo_fdt_del_prop(blob, "dallas,ds1339", 0x68, "interrupt-parent");
karo_fdt_del_prop(blob, "dallas,ds1339", 0x68, "interrupts");
static inline void tx53_fixup_rtc(void *blob)
{
}
-#endif
+#endif /* CONFIG_SYS_TX53_HWREV_2 */
+
+static const char *tx53_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));
+
+ if (stk5_v5)
+ karo_fdt_enable_node(blob, "stk5led", 0);
+
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
fdt_fixup_ethernet(blob);
- karo_fdt_enable_node(blob, "ipu", getenv("video_mode") != NULL);
- karo_fdt_fixup_touchpanel(blob);
- karo_fdt_fixup_usb_otg(blob, "fsl,imx-otg", "fsl,usbphy");
- tx53_fixup_flexcan(blob);
+ karo_fdt_fixup_touchpanel(blob, tx53_touchpanels,
+ ARRAY_SIZE(tx53_touchpanels));
+ 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);
}
-#endif
+#endif /* CONFIG_OF_BOARD_SETUP */