#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)
check_cpu_temperature(1);
}
-#define LTC3676_BUCK1 0x01
-#define LTC3676_BUCK2 0x02
-#define LTC3676_BUCK3 0x03
-#define LTC3676_BUCK4 0x04
-#define LTC3676_DVB1A 0x0A
-#define LTC3676_DVB1B 0x0B
-#define LTC3676_DVB2A 0x0C
-#define LTC3676_DVB2B 0x0D
-#define LTC3676_DVB3A 0x0E
-#define LTC3676_DVB3B 0x0F
-#define LTC3676_DVB4A 0x10
-#define LTC3676_DVB4B 0x11
-#define LTC3676_MSKPG 0x13
-#define LTC3676_CLIRQ 0x1f
-
-#define LTC3676_BUCK_DVDT_FAST (1 << 0)
-#define LTC3676_BUCK_KEEP_ALIVE (1 << 1)
-#define LTC3676_BUCK_CLK_RATE_LOW (1 << 2)
-#define LTC3676_BUCK_PHASE_SEL (1 << 3)
-#define LTC3676_BUCK_ENABLE_300 (1 << 4)
-#define LTC3676_BUCK_PULSE_SKIP (0 << 5)
-#define LTC3676_BUCK_BURST_MODE (1 << 5)
-#define LTC3676_BUCK_CONTINUOUS (2 << 5)
-#define LTC3676_BUCK_ENABLE (1 << 7)
-
-#define LTC3676_PGOOD_MASK (1 << 5)
-
-#define LTC3676_MSKPG_BUCK1 (1 << 0)
-#define LTC3676_MSKPG_BUCK2 (1 << 1)
-#define LTC3676_MSKPG_BUCK3 (1 << 2)
-#define LTC3676_MSKPG_BUCK4 (1 << 3)
-#define LTC3676_MSKPG_LDO2 (1 << 5)
-#define LTC3676_MSKPG_LDO3 (1 << 6)
-#define LTC3676_MSKPG_LDO4 (1 << 7)
-
-#define VDD_IO_VAL mV_to_regval(vout_to_vref(3300 * 10, 5))
-#define VDD_IO_VAL_LP mV_to_regval(vout_to_vref(3100 * 10, 5))
-#define VDD_IO_VAL_2 mV_to_regval(vout_to_vref(3300 * 10, 5_2))
-#define VDD_IO_VAL_2_LP mV_to_regval(vout_to_vref(3100 * 10, 5_2))
-#define VDD_SOC_VAL mV_to_regval(vout_to_vref(1425 * 10, 6))
-#define VDD_SOC_VAL_LP mV_to_regval(vout_to_vref(900 * 10, 6))
-#define VDD_DDR_VAL mV_to_regval(vout_to_vref(1500 * 10, 7))
-#define VDD_DDR_VAL_LP mV_to_regval(vout_to_vref(1500 * 10, 7))
-#define VDD_CORE_VAL mV_to_regval(vout_to_vref(1425 * 10, 8))
-#define VDD_CORE_VAL_LP mV_to_regval(vout_to_vref(900 * 10, 8))
-
-/* LDO1 */
-#define R1_1 470
-#define R2_1 150
-/* LDO4 */
-#define R1_4 470
-#define R2_4 150
-/* Buck1 */
-#define R1_5 390
-#define R2_5 110
-#define R1_5_2 470
-#define R2_5_2 150
-/* Buck2 (SOC) */
-#define R1_6 150
-#define R2_6 180
-/* Buck3 (DDR) */
-#define R1_7 150
-#define R2_7 140
-/* Buck4 (CORE) */
-#define R1_8 150
-#define R2_8 180
-
-/* 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) < 4125) ? 4125 : (mV)) - 4125), 125)
-#define regval_to_mV(v) (((v) * 125 + 4125))
-
-static struct ltc3673_regs {
- u8 addr;
- u8 val;
- u8 mask;
-} ltc3676_regs[] = {
- { LTC3676_MSKPG, ~LTC3676_MSKPG_BUCK1, },
- { LTC3676_DVB2B, VDD_SOC_VAL_LP | LTC3676_PGOOD_MASK, ~0x3f, },
- { LTC3676_DVB3B, VDD_DDR_VAL_LP, ~0x3f, },
- { LTC3676_DVB4B, VDD_CORE_VAL_LP | LTC3676_PGOOD_MASK, ~0x3f, },
- { LTC3676_DVB2A, VDD_SOC_VAL, ~0x3f, },
- { LTC3676_DVB3A, VDD_DDR_VAL, ~0x3f, },
- { LTC3676_DVB4A, VDD_CORE_VAL, ~0x3f, },
- { LTC3676_BUCK1, LTC3676_BUCK_BURST_MODE | LTC3676_BUCK_CLK_RATE_LOW, },
- { LTC3676_BUCK2, LTC3676_BUCK_BURST_MODE, },
- { LTC3676_BUCK3, LTC3676_BUCK_BURST_MODE, },
- { LTC3676_BUCK4, LTC3676_BUCK_BURST_MODE, },
- { LTC3676_CLIRQ, 0, }, /* clear interrupt status */
-};
-
-static struct ltc3673_regs ltc3676_regs_1[] = {
- { LTC3676_DVB1B, VDD_IO_VAL_LP | LTC3676_PGOOD_MASK, ~0x3f, },
- { LTC3676_DVB1A, VDD_IO_VAL, ~0x3f, },
-};
-
-static struct ltc3673_regs ltc3676_regs_2[] = {
- { LTC3676_DVB1B, VDD_IO_VAL_2_LP | LTC3676_PGOOD_MASK, ~0x3f, },
- { LTC3676_DVB1A, VDD_IO_VAL_2, ~0x3f, },
-};
-
-static int tx6_rev_2(void)
-{
- struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
- struct fuse_bank5_regs *fuse = (void *)ocotp->bank[5].fuse_regs;
- u32 pad_settings = readl(&fuse->pad_settings);
-
- debug("Fuse pad_settings @ %p = %02x\n",
- &fuse->pad_settings, pad_settings);
- return pad_settings & 1;
-}
-
-static int tx6_ltc3676_setup_regs(struct ltc3673_regs *r, size_t count)
-{
- int ret;
- int i;
-
- for (i = 0; i < count; i++, r++) {
-#ifdef DEBUG
- unsigned char value;
-
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, r->addr, 1, &value, 1);
- if ((value & ~r->mask) != r->val) {
- printf("Changing PMIC reg %02x from %02x to %02x\n",
- r->addr, value, r->val);
- }
- if (ret) {
- printf("%s: failed to read PMIC register %02x: %d\n",
- __func__, r->addr, ret);
- return ret;
- }
-#endif
- ret = i2c_write(CONFIG_SYS_I2C_SLAVE,
- r->addr, 1, &r->val, 1);
- if (ret) {
- printf("%s: failed to write PMIC register %02x: %d\n",
- __func__, r->addr, ret);
- return ret;
- }
- }
- return 0;
-}
-
-static int setup_pmic_voltages(void)
-{
- int ret;
- unsigned char value;
-
- 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;
- }
-
- ret = tx6_ltc3676_setup_regs(ltc3676_regs, ARRAY_SIZE(ltc3676_regs));
- if (ret)
- return ret;
-
- printf("VDDCORE set to %umV\n",
- DIV_ROUND(vref_to_vout(regval_to_mV(VDD_CORE_VAL), 8), 10));
- printf("VDDSOC set to %umV\n",
- DIV_ROUND(vref_to_vout(regval_to_mV(VDD_SOC_VAL), 6), 10));
-
- if (tx6_rev_2()) {
- ret = tx6_ltc3676_setup_regs(ltc3676_regs_2,
- ARRAY_SIZE(ltc3676_regs_2));
- printf("VDDIO set to %umV\n",
- DIV_ROUND(vref_to_vout(
- regval_to_mV(VDD_IO_VAL_2), 5_2), 10));
- } else {
- ret = tx6_ltc3676_setup_regs(ltc3676_regs_1,
- ARRAY_SIZE(ltc3676_regs_1));
- }
- return ret;
-}
-
int board_early_init_f(void)
{
gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
karo_fdt_fixup_touchpanel(blob, tx6_touchpanels,
ARRAY_SIZE(tx6_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);
karo_fdt_update_fb_mode(blob, video_mode);