printf("\n");
}
+#define pr_lpgr_val(v, n, b, c) do { \
+ u32 __v = ((v) >> (b)) & ((1 << (c)) - 1); \
+ if (__v) \
+ printf(" %s=%0*x", #n, DIV_ROUND_UP(c, 4), __v); \
+} while (0)
+
+static inline void print_lpgr(u32 lpgr)
+{
+ if (!lpgr)
+ return;
+
+ printf("LPGR=%08x:", lpgr);
+ pr_lpgr_val(lpgr, SW_ISO, 31, 1);
+ pr_lpgr_val(lpgr, SECONDARY_BOOT, 30, 1);
+ pr_lpgr_val(lpgr, BLOCK_REWRITE, 29, 1);
+ pr_lpgr_val(lpgr, WDOG_BOOT, 28, 1);
+ pr_lpgr_val(lpgr, SBMR_SHADOW, 0, 26);
+ printf("\n");
+}
+
static void tx53_print_cpuinfo(void)
{
u32 cpurev;
+ struct srtc_regs *srtc_regs = (void *)SRTC_BASE_ADDR;
+ u32 lpgr = readl(&srtc_regs->lpgr);
cpurev = get_cpu_rev();
mxc_get_clock(MXC_ARM_CLK) / 1000000);
print_reset_cause();
+
+ print_lpgr(lpgr);
+
+ if (lpgr & (1 << 30))
+ printf("WARNING: U-Boot started from secondary bootstrap image\n");
+
+ if (lpgr) {
+ struct mxc_ccm_reg *ccm_regs = (void *)CCM_BASE_ADDR;
+ u32 ccgr4 = readl(&ccm_regs->CCGR4);
+
+ writel(ccgr4 | MXC_CCM_CCGR4_SRTC(3), &ccm_regs->CCGR4);
+ writel(0, &srtc_regs->lpgr);
+ writel(ccgr4, &ccm_regs->CCGR4);
+ }
}
enum LTC3589_REGS {
LTC3589_SCR1 = 0x07,
+ LTC3589_SCR2 = 0x12,
+ LTC3589_VCCR = 0x20,
LTC3589_CLIRQ = 0x21,
LTC3589_B1DTV1 = 0x23,
LTC3589_B1DTV2 = 0x24,
LTC3589_L2DTV2 = 0x33,
};
-#define LTC3589_PGOOD_MASK (1 << 5)
+#define LTC3589_BnDTV1_PGOOD_MASK (1 << 5)
+#define LTC3589_BnDTV1_SLEW(n) (((n) & 3) << 6)
+
+#define LTC3589_CLK_RATE_LOW (1 << 5)
-#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(1240 * 10, 3))
+#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))
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_PGOOD_MASK, },
+ { 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_PGOOD_MASK, },
+ { LTC3589_B1DTV1, VDD_CORE_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
{ LTC3589_B1DTV2, VDD_CORE_VAL, },
- { LTC3589_B2DTV1, VDD_SOC_VAL | LTC3589_PGOOD_MASK, },
+ { LTC3589_B2DTV1, VDD_SOC_VAL | LTC3589_BnDTV1_SLEW(3) | LTC3589_BnDTV1_PGOOD_MASK, },
{ LTC3589_B2DTV2, VDD_SOC_VAL, },
- { LTC3589_B3DTV1, VDD_BUCK3_VAL | LTC3589_PGOOD_MASK, },
+ { 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 */
};
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;
writel(0x00000000, AIPS2_BASE_ADDR + 0x50);
writel(0xffcf0fff, &ccm_regs->CCGR0);
- writel(0x000fffc3, &ccm_regs->CCGR1);
+ writel(0x000fffcf, &ccm_regs->CCGR1);
writel(0x033c0000, &ccm_regs->CCGR2);
writel(0x000000ff, &ccm_regs->CCGR3);
writel(0x00000000, &ccm_regs->CCGR4);
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);
};
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(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());
}
}
{
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);
}
}
karo_fdt_move_fdt();
+ lcd_bl_polarity = karo_fdt_get_backlight_polarity(working_fdt);
if (video_mode == NULL) {
debug("Disabling LCD\n");
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_fixup_touchpanel(blob, tx53_touchpanels,
ARRAY_SIZE(tx53_touchpanels));
- karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy");
+ karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy", "vbus-supply");
karo_fdt_fixup_flexcan(blob, stk5_v5);
tx53_fixup_rtc(blob);
karo_fdt_update_fb_mode(blob, video_mode);
projects / karo-tx-uboot.git / blobdiff