PAD_CTL_DSE_40ohm | \
PAD_CTL_SRE_FAST)
#define TX6UL_I2C_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP | \
+ PAD_CTL_ODE | \
PAD_CTL_HYS | \
PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_34ohm | \
PAD_CTL_SRE_FAST)
+#define TX6UL_I2C_GPIO_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP | \
+ PAD_CTL_HYS | \
+ PAD_CTL_DSE_34ohm | \
+ PAD_CTL_SPEED_MED)
#define TX6UL_ENET_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_48ohm | \
PAD_CTL_PUS_100K_UP | \
MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | TX6UL_ENET_PAD_CTRL,
};
-static const iomux_v3_cfg_t const tx6ul_i2c_gpio_pads[] = {
+static const iomux_v3_cfg_t const tx6ul_i2c_pads[] = {
/* internal I2C */
MX6_PAD_SNVS_TAMPER1__GPIO5_IO01 | MUX_CFG_SION |
- MUX_PAD_CTRL(PAD_CTL_DSE_240ohm | PAD_CTL_HYS |
- PAD_CTL_ODE), /* I2C SCL */
+ TX6UL_I2C_PAD_CTRL, /* I2C SCL */
MX6_PAD_SNVS_TAMPER0__GPIO5_IO00 | MUX_CFG_SION |
- MUX_PAD_CTRL(PAD_CTL_DSE_240ohm | PAD_CTL_HYS |
- PAD_CTL_ODE), /* I2C SDA */
+ TX6UL_I2C_PAD_CTRL, /* I2C SDA */
+};
+
+static const iomux_v3_cfg_t const tx6ul_i2c_gpio_pads[] = {
+ /* internal I2C set up for I2C bus recovery */
+ MX6_PAD_SNVS_TAMPER1__GPIO5_IO01 | MUX_CFG_SION |
+ TX6UL_I2C_PAD_CTRL, /* I2C SCL */
+ MX6_PAD_SNVS_TAMPER0__GPIO5_IO00 | MUX_CFG_SION |
+ TX6UL_I2C_PAD_CTRL, /* I2C SDA */
};
static const struct gpio const tx6ul_gpios[] = {
/* run with default environment */
#if defined(TX6UL_I2C1_SCL_GPIO) && defined(TX6UL_I2C1_SDA_GPIO)
+#define SCL_BANK (TX6UL_I2C1_SCL_GPIO / 32)
+#define SDA_BANK (TX6UL_I2C1_SDA_GPIO / 32)
+#define SCL_BIT (1 << (TX6UL_I2C1_SCL_GPIO % 32))
+#define SDA_BIT (1 << (TX6UL_I2C1_SDA_GPIO % 32))
+
+static void * const gpio_ports[] = {
+ (void *)GPIO1_BASE_ADDR,
+ (void *)GPIO2_BASE_ADDR,
+ (void *)GPIO3_BASE_ADDR,
+ (void *)GPIO4_BASE_ADDR,
+ (void *)GPIO5_BASE_ADDR,
+};
+
static void tx6ul_i2c_recover(void)
{
int i;
int bad = 0;
-#define SCL_BIT (1 << (TX6UL_I2C1_SCL_GPIO % 32))
-#define SDA_BIT (1 << (TX6UL_I2C1_SDA_GPIO % 32))
-#define I2C_GPIO_BASE (GPIO1_BASE_ADDR + TX6UL_I2C1_SCL_GPIO / 32 * 0x4000)
+ struct gpio_regs *scl_regs = gpio_ports[SCL_BANK];
+ struct gpio_regs *sda_regs = gpio_ports[SDA_BANK];
- if ((readl(I2C_GPIO_BASE + GPIO_PSR) &
- (SCL_BIT | SDA_BIT)) == (SCL_BIT | SDA_BIT))
+ if ((readl(&scl_regs->gpio_psr) & SCL_BIT) &&
+ (readl(&sda_regs->gpio_psr) & SDA_BIT))
return;
debug("Clearing I2C bus\n");
- if (!(readl(I2C_GPIO_BASE + GPIO_PSR) & SCL_BIT)) {
+ if (!(readl(&scl_regs->gpio_psr) & SCL_BIT)) {
printf("I2C SCL stuck LOW\n");
bad++;
- writel(readl(I2C_GPIO_BASE + GPIO_DR) | SCL_BIT,
- I2C_GPIO_BASE + GPIO_DR);
- writel(readl(I2C_GPIO_BASE + GPIO_DIR) | SCL_BIT,
- I2C_GPIO_BASE + GPIO_DIR);
+ setbits_le32(&scl_regs->gpio_dr, SCL_BIT);
+ setbits_le32(&scl_regs->gpio_dir, SCL_BIT);
+
+ imx_iomux_v3_setup_pad(MX6_PAD_SNVS_TAMPER1__GPIO5_IO01 |
+ MUX_CFG_SION | TX6UL_GPIO_OUT_PAD_CTRL);
}
- if (!(readl(I2C_GPIO_BASE + GPIO_PSR) & SDA_BIT)) {
+ if (!(readl(&sda_regs->gpio_psr) & SDA_BIT)) {
printf("I2C SDA stuck LOW\n");
bad++;
- writel(readl(I2C_GPIO_BASE + GPIO_DIR) & ~SDA_BIT,
- I2C_GPIO_BASE + GPIO_DIR);
- writel(readl(I2C_GPIO_BASE + GPIO_DR) | SCL_BIT,
- I2C_GPIO_BASE + GPIO_DR);
- writel(readl(I2C_GPIO_BASE + GPIO_DIR) | SCL_BIT,
- I2C_GPIO_BASE + GPIO_DIR);
+ clrbits_le32(&sda_regs->gpio_dir, SDA_BIT);
+ setbits_le32(&scl_regs->gpio_dr, SCL_BIT);
+ setbits_le32(&scl_regs->gpio_dir, SCL_BIT);
imx_iomux_v3_setup_multiple_pads(tx6ul_i2c_gpio_pads,
ARRAY_SIZE(tx6ul_i2c_gpio_pads));
- udelay(10);
+
+ udelay(5);
for (i = 0; i < 18; i++) {
- u32 reg = readl(I2C_GPIO_BASE + GPIO_DR) ^ SCL_BIT;
+ u32 reg = readl(&scl_regs->gpio_dr) ^ SCL_BIT;
debug("%sing SCL\n", (reg & SCL_BIT) ? "Sett" : "Clear");
- writel(reg, I2C_GPIO_BASE + GPIO_DR);
- udelay(10);
- if (reg & SCL_BIT &&
- readl(I2C_GPIO_BASE + GPIO_PSR) & SDA_BIT)
+ writel(reg, &scl_regs->gpio_dr);
+ udelay(5);
+ if (reg & SCL_BIT) {
+ if (readl(&sda_regs->gpio_psr) & SDA_BIT)
+ break;
+ if (!(readl(&scl_regs->gpio_psr) & SCL_BIT))
+ break;
break;
+ }
}
}
if (bad) {
- u32 reg = readl(I2C_GPIO_BASE + GPIO_PSR);
+ bool scl = !!(readl(&scl_regs->gpio_psr) & SCL_BIT);
+ bool sda = !!(readl(&sda_regs->gpio_psr) & SDA_BIT);
- if ((reg & (SCL_BIT | SDA_BIT)) == (SCL_BIT | SDA_BIT)) {
+ if (scl && sda) {
printf("I2C bus recovery succeeded\n");
} else {
- printf("I2C bus recovery FAILED: %08x:%08x\n", reg,
- SCL_BIT | SDA_BIT);
+ printf("I2C bus recovery FAILED: SCL: %d SDA: %d\n",
+ scl, sda);
}
+ imx_iomux_v3_setup_multiple_pads(tx6ul_i2c_pads,
+ ARRAY_SIZE(tx6ul_i2c_pads));
}
}
#else
static inline u8 tx6ul_mem_suffix(void)
{
-#ifdef CONFIG_TX6UL_NAND
+#ifdef CONFIG_TX6_NAND
return '0';
#else
return '1';
#define VDD_CORE_VAL_LP rn5t_mV_to_regval(900)
#define VDD_DDR_VAL rn5t_mV_to_regval(1350) /* DCDC3 */
#define VDD_DDR_VAL_LP rn5t_mV_to_regval(1350)
-#define VDD_HIGH_VAL rn5t_mV_to_regval(3300) /* DCDC4 */
-#define VDD_HIGH_VAL_LP rn5t_mV_to_regval(3300)
-#define VDD_CSI_VAL rn5t_mV_to_regval2(3300) /* LDO4 */
-#define VDD_CSI_VAL_LP rn5t_mV_to_regval2(3300)
+#define VDD_IO_EXT_VAL rn5t_mV_to_regval(3300) /* DCDC4 */
+#define VDD_IO_EXT_VAL_LP rn5t_mV_to_regval(3300)
+#define VDD_IO_INT_VAL rn5t_mV_to_regval2(3300) /* LDO1 */
+#define VDD_IO_INT_VAL_LP rn5t_mV_to_regval2(3300)
+#define VDD_ADC_VAL rn5t_mV_to_regval2(3300) /* LDO2 */
+#define VDD_ADC_VAL_LP rn5t_mV_to_regval2(3300)
+#define VDD_PMIC_VAL rn5t_mV_to_regval2(2500) /* LDO3 */
+#define VDD_PMIC_VAL_LP rn5t_mV_to_regval2(2500)
+#define VDD_CSI_VAL rn5t_mV_to_regval2(1800) /* LDO4 */
+#define VDD_CSI_VAL_LP rn5t_mV_to_regval2(1800)
static struct pmic_regs rn5t567_regs[] = {
{ RN5T567_NOETIMSET, NOETIMSET_DIS_OFF_NOE_TIM | 0x5, },
- { RN5T567_DC2CTL, DC2_DC2DIS, },
{ RN5T567_DC1DAC, VDD_CORE_VAL, },
{ RN5T567_DC3DAC, VDD_DDR_VAL, },
- { RN5T567_DC4DAC, VDD_HIGH_VAL, },
+ { RN5T567_DC4DAC, VDD_IO_EXT_VAL, },
{ RN5T567_DC1DAC_SLP, VDD_CORE_VAL_LP, },
{ RN5T567_DC3DAC_SLP, VDD_DDR_VAL_LP, },
- { RN5T567_DC4DAC_SLP, VDD_HIGH_VAL_LP, },
- { RN5T567_LDOEN1, 0x01f, ~0x1f, },
- { RN5T567_LDOEN2, 0x10, ~0x30, },
- { RN5T567_LDODIS, 0x00, },
- { RN5T567_LDO4DAC, VDD_CSI_VAL, },
+ { RN5T567_DC4DAC_SLP, VDD_IO_EXT_VAL_LP, },
+ { RN5T567_DC1CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
+ { RN5T567_DC2CTL, DCnCTL_DCnDIS, },
+ { RN5T567_DC3CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
+ { RN5T567_DC4CTL, DCnCTL_DCnEN | DCnMODE_SLP(DCnMODE_PSM), },
{ RN5T567_LDORTC1DAC, VDD_RTC_VAL, },
{ RN5T567_LDORTC1_SLOT, 0x0f, ~0x3f, },
+ { RN5T567_LDO1DAC, VDD_IO_INT_VAL, },
+ { RN5T567_LDO2DAC, VDD_ADC_VAL, },
+ { RN5T567_LDO3DAC, VDD_PMIC_VAL, },
+ { RN5T567_LDO4DAC, VDD_CSI_VAL, },
+ { RN5T567_LDOEN1, 0x0f, ~0x1f, },
+ { RN5T567_LDOEN2, 0x10, ~0x30, },
+ { RN5T567_LDODIS, 0x10, ~0x1f, },
+ { RN5T567_INTPOL, 0, },
+ { RN5T567_INTEN, 0x3, },
+ { RN5T567_IREN, 0xf, },
+ { RN5T567_EN_GPIR, 0, },
};
-static int pmic_addr __maybe_unused = 0x33;
+static int pmic_addr = 0x33;
#endif
int board_init(void)
}
#ifdef CONFIG_FSL_ESDHC
-#define TX6UL_SD_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_47K_UP | \
+#define TX6UL_SD_PAD_CTRL MUX_PAD_CTRL(PAD_CTL_PUS_47K_UP | \
PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | \
PAD_CTL_SRE_FAST)
projects / karo-tx-uboot.git / blobdiff