/*
- * Copyright (C) 2012,2013 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright (C) 2012-2015 Lothar Waßmann <LW@KARO-electronics.de>
*
- * 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
- * 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * SPDX-License-Identifier: GPL-2.0+
*
*/
-
#include <common.h>
#include <errno.h>
#include <libfdt.h>
#include <asm/gpio.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/clock.h>
+#include <asm/arch/hab.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include "../common/karo.h"
+#include "pmic.h"
+
+#define __data __attribute__((section(".data")))
#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 TX6_LCD_BACKLIGHT_GPIO IMX_GPIO_NR(1, 1)
#define TX6_RESET_OUT_GPIO IMX_GPIO_NR(7, 12)
+#define TX6_I2C1_SCL_GPIO IMX_GPIO_NR(3, 21)
+#define TX6_I2C1_SDA_GPIO IMX_GPIO_NR(3, 28)
-#define TEMPERATURE_MIN -40
+#ifdef CONFIG_MX6_TEMPERATURE_MIN
+#define TEMPERATURE_MIN CONFIG_MX6_TEMPERATURE_MIN
+#else
+#define TEMPERATURE_MIN (-40)
+#endif
+#ifdef CONFIG_MX6_TEMPERATURE_HOT
+#define TEMPERATURE_HOT CONFIG_MX6_TEMPERATURE_HOT
+#else
#define TEMPERATURE_HOT 80
-#define TEMPERATURE_MAX 125
+#endif
DECLARE_GLOBAL_DATA_PTR;
#define MUX_CFG_SION IOMUX_PAD(0, 0, IOMUX_CONFIG_SION, 0, 0, 0)
-static const iomux_v3_cfg_t tx6qdl_pads[] = {
- /* NAND flash pads */
- MX6_PAD_NANDF_CLE__RAWNAND_CLE,
- MX6_PAD_NANDF_ALE__RAWNAND_ALE,
- MX6_PAD_NANDF_WP_B__RAWNAND_RESETN,
- MX6_PAD_NANDF_RB0__RAWNAND_READY0,
- MX6_PAD_NANDF_CS0__RAWNAND_CE0N,
- MX6_PAD_SD4_CMD__RAWNAND_RDN,
- MX6_PAD_SD4_CLK__RAWNAND_WRN,
- MX6_PAD_NANDF_D0__RAWNAND_D0,
- MX6_PAD_NANDF_D1__RAWNAND_D1,
- MX6_PAD_NANDF_D2__RAWNAND_D2,
- MX6_PAD_NANDF_D3__RAWNAND_D3,
- MX6_PAD_NANDF_D4__RAWNAND_D4,
- MX6_PAD_NANDF_D5__RAWNAND_D5,
- MX6_PAD_NANDF_D6__RAWNAND_D6,
- MX6_PAD_NANDF_D7__RAWNAND_D7,
+char __uboot_img_end[0] __attribute__((section(".__uboot_img_end")));
+#ifdef CONFIG_SECURE_BOOT
+char __csf_data[0] __attribute__((section(".__csf_data")));
+#endif
+static const iomux_v3_cfg_t const tx6qdl_pads[] = {
/* RESET_OUT */
- MX6_PAD_GPIO_17__GPIO_7_12,
+ MX6_PAD_GPIO_17__GPIO7_IO12,
/* UART pads */
#if CONFIG_MXC_UART_BASE == UART1_BASE
- MX6_PAD_SD3_DAT7__UART1_TXD,
- MX6_PAD_SD3_DAT6__UART1_RXD,
- MX6_PAD_SD3_DAT1__UART1_RTS,
- MX6_PAD_SD3_DAT0__UART1_CTS,
+ MX6_PAD_SD3_DAT7__UART1_TX_DATA,
+ MX6_PAD_SD3_DAT6__UART1_RX_DATA,
+ MX6_PAD_SD3_DAT1__UART1_RTS_B,
+ MX6_PAD_SD3_DAT0__UART1_CTS_B,
#endif
#if CONFIG_MXC_UART_BASE == UART2_BASE
- MX6_PAD_SD4_DAT4__UART2_RXD,
- MX6_PAD_SD4_DAT7__UART2_TXD,
- MX6_PAD_SD4_DAT5__UART2_RTS,
- MX6_PAD_SD4_DAT6__UART2_CTS,
+ MX6_PAD_SD4_DAT4__UART2_RX_DATA,
+ MX6_PAD_SD4_DAT7__UART2_TX_DATA,
+ MX6_PAD_SD4_DAT5__UART2_RTS_B,
+ MX6_PAD_SD4_DAT6__UART2_CTS_B,
#endif
#if CONFIG_MXC_UART_BASE == UART3_BASE
- MX6_PAD_EIM_D24__UART3_TXD,
- MX6_PAD_EIM_D25__UART3_RXD,
- MX6_PAD_SD3_RST__UART3_RTS,
- MX6_PAD_SD3_DAT3__UART3_CTS,
+ MX6_PAD_EIM_D24__UART3_TX_DATA,
+ MX6_PAD_EIM_D25__UART3_RX_DATA,
+ MX6_PAD_SD3_RST__UART3_RTS_B,
+ MX6_PAD_SD3_DAT3__UART3_CTS_B,
#endif
/* internal I2C */
MX6_PAD_EIM_D28__I2C1_SDA,
MX6_PAD_EIM_D21__I2C1_SCL,
/* FEC PHY GPIO functions */
- MX6_PAD_EIM_D20__GPIO_3_20 | MUX_CFG_SION, /* PHY POWER */
- MX6_PAD_SD3_DAT2__GPIO_7_6 | MUX_CFG_SION, /* PHY RESET */
- MX6_PAD_SD3_DAT4__GPIO_7_1, /* PHY INT */
+ MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_CFG_SION, /* PHY POWER */
+ MX6_PAD_SD3_DAT2__GPIO7_IO06 | MUX_CFG_SION, /* PHY RESET */
+ MX6_PAD_SD3_DAT4__GPIO7_IO01, /* PHY INT */
};
-static const iomux_v3_cfg_t tx6qdl_fec_pads[] = {
+static const iomux_v3_cfg_t const tx6qdl_fec_pads[] = {
/* FEC functions */
MX6_PAD_ENET_MDC__ENET_MDC,
MX6_PAD_ENET_MDIO__ENET_MDIO,
- MX6_PAD_GPIO_16__ENET_ANATOP_ETHERNET_REF_OUT,
+ MX6_PAD_GPIO_16__ENET_REF_CLK,
MX6_PAD_ENET_RX_ER__ENET_RX_ER,
MX6_PAD_ENET_CRS_DV__ENET_RX_EN,
- MX6_PAD_ENET_RXD1__ENET_RDATA_1,
- MX6_PAD_ENET_RXD0__ENET_RDATA_0,
+ MX6_PAD_ENET_RXD1__ENET_RX_DATA1,
+ MX6_PAD_ENET_RXD0__ENET_RX_DATA0,
MX6_PAD_ENET_TX_EN__ENET_TX_EN,
- MX6_PAD_ENET_TXD1__ENET_TDATA_1,
- MX6_PAD_ENET_TXD0__ENET_TDATA_0,
+ MX6_PAD_ENET_TXD1__ENET_TX_DATA1,
+ MX6_PAD_ENET_TXD0__ENET_TX_DATA0,
};
-static const struct gpio tx6qdl_gpios[] = {
- { TX6_RESET_OUT_GPIO, GPIOF_OUTPUT_INIT_HIGH, "#RESET_OUT", },
- { TX6_FEC_PWR_GPIO, GPIOF_OUTPUT_INIT_HIGH, "FEC PHY PWR", },
- { TX6_FEC_RST_GPIO, GPIOF_OUTPUT_INIT_LOW, "FEC PHY RESET", },
- { TX6_FEC_INT_GPIO, GPIOF_INPUT, "FEC PHY INT", },
+#define TX6_I2C_GPIO_PAD_CTRL (PAD_CTL_PUS_22K_UP | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_34ohm | \
+ PAD_CTL_SRE_FAST)
+
+static const iomux_v3_cfg_t const tx6_i2c_gpio_pads[] = {
+ /* internal I2C */
+ MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_CFG_SION | MUX_PAD_CTRL(TX6_I2C_GPIO_PAD_CTRL),
+ MX6_PAD_EIM_D21__GPIO3_IO21 | MUX_CFG_SION | MUX_PAD_CTRL(TX6_I2C_GPIO_PAD_CTRL),
};
-/*
- * Functions
- */
+static const iomux_v3_cfg_t const tx6_i2c_pads[] = {
+ /* internal I2C */
+ MX6_PAD_EIM_D28__I2C1_SDA,
+ MX6_PAD_EIM_D21__I2C1_SCL,
+};
+
+static const struct gpio const tx6qdl_gpios[] = {
+ /* These two entries are used to forcefully reinitialize the I2C bus */
+ { TX6_I2C1_SCL_GPIO, GPIOFLAG_INPUT, "I2C1 SCL", },
+ { TX6_I2C1_SDA_GPIO, GPIOFLAG_INPUT, "I2C1 SDA", },
+
+ { TX6_RESET_OUT_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "#RESET_OUT", },
+ { TX6_FEC_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "FEC PHY PWR", },
+ { TX6_FEC_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "FEC PHY RESET", },
+ { TX6_FEC_INT_GPIO, GPIOFLAG_INPUT, "FEC PHY INT", },
+};
+
+static int pmic_addr __data;
+
+#if defined(CONFIG_SOC_MX6Q)
+#define IOMUXC_SW_MUX_CTL_PAD_EIM_DATA21 0x020e00a4
+#define IOMUXC_SW_MUX_CTL_PAD_EIM_DATA28 0x020e00c4
+#define IOMUXC_SW_PAD_CTL_PAD_EIM_DATA21 0x020e03b8
+#define IOMUXC_SW_PAD_CTL_PAD_EIM_DATA28 0x020e03d8
+#define IOMUXC_SW_SEL_INPUT_PAD_EIM_DATA21 0x020e0898
+#define IOMUXC_SW_SEL_INPUT_PAD_EIM_DATA28 0x020e089c
+#define I2C1_SEL_INPUT_VAL 0
+#endif
+#if defined(CONFIG_SOC_MX6DL) || defined(CONFIG_SOC_MX6S)
+#define IOMUXC_SW_MUX_CTL_PAD_EIM_DATA21 0x020e0158
+#define IOMUXC_SW_MUX_CTL_PAD_EIM_DATA28 0x020e0174
+#define IOMUXC_SW_PAD_CTL_PAD_EIM_DATA21 0x020e0528
+#define IOMUXC_SW_PAD_CTL_PAD_EIM_DATA28 0x020e0544
+#define IOMUXC_SW_SEL_INPUT_PAD_EIM_DATA21 0x020e0868
+#define IOMUXC_SW_SEL_INPUT_PAD_EIM_DATA28 0x020e086c
+#define I2C1_SEL_INPUT_VAL 1
+#endif
+
+#define GPIO_DR 0
+#define GPIO_DIR 4
+#define GPIO_PSR 8
+
+static void tx6_i2c_recover(void)
+{
+ int i;
+ int bad = 0;
+#define SCL_BIT (1 << (TX6_I2C1_SCL_GPIO % 32))
+#define SDA_BIT (1 << (TX6_I2C1_SDA_GPIO % 32))
+
+ if ((readl(GPIO3_BASE_ADDR + GPIO_PSR) &
+ (SCL_BIT | SDA_BIT)) == (SCL_BIT | SDA_BIT))
+ return;
+
+ debug("Clearing I2C bus\n");
+ if (!(readl(GPIO3_BASE_ADDR + GPIO_PSR) & SCL_BIT)) {
+ printf("I2C SCL stuck LOW\n");
+ bad++;
+
+ writel(readl(GPIO3_BASE_ADDR + GPIO_DR) | SCL_BIT,
+ GPIO3_BASE_ADDR + GPIO_DR);
+ writel(readl(GPIO3_BASE_ADDR + GPIO_DIR) | SCL_BIT,
+ GPIO3_BASE_ADDR + GPIO_DIR);
+ }
+ if (!(readl(GPIO3_BASE_ADDR + GPIO_PSR) & SDA_BIT)) {
+ printf("I2C SDA stuck LOW\n");
+ bad++;
+
+ writel(readl(GPIO3_BASE_ADDR + GPIO_DIR) & ~SDA_BIT,
+ GPIO3_BASE_ADDR + GPIO_DIR);
+ writel(readl(GPIO3_BASE_ADDR + GPIO_DR) | SCL_BIT,
+ GPIO3_BASE_ADDR + GPIO_DR);
+ writel(readl(GPIO3_BASE_ADDR + GPIO_DIR) | SCL_BIT,
+ GPIO3_BASE_ADDR + GPIO_DIR);
+
+ imx_iomux_v3_setup_multiple_pads(tx6_i2c_gpio_pads,
+ ARRAY_SIZE(tx6_i2c_gpio_pads));
+ udelay(10);
+
+ for (i = 0; i < 18; i++) {
+ u32 reg = readl(GPIO3_BASE_ADDR + GPIO_DR) ^ SCL_BIT;
+
+ debug("%sing SCL\n", (reg & SCL_BIT) ? "Sett" : "Clear");
+ writel(reg, GPIO3_BASE_ADDR + GPIO_DR);
+ udelay(10);
+ if (reg & SCL_BIT &&
+ readl(GPIO3_BASE_ADDR + GPIO_PSR) & SDA_BIT)
+ break;
+ }
+ }
+ if (bad) {
+ u32 reg = readl(GPIO3_BASE_ADDR + GPIO_PSR);
+
+ if ((reg & (SCL_BIT | SDA_BIT)) == (SCL_BIT | SDA_BIT)) {
+ printf("I2C bus recovery succeeded\n");
+ } else {
+ printf("I2C bus recovery FAILED: %08x:%08x\n", reg,
+ SCL_BIT | SDA_BIT);
+ }
+ }
+ debug("Setting up I2C Pads\n");
+ imx_iomux_v3_setup_multiple_pads(tx6_i2c_pads,
+ ARRAY_SIZE(tx6_i2c_pads));
+}
+
/* placed in section '.data' to prevent overwriting relocation info
* overlayed with bss
*/
-static u32 wrsr __attribute__((section(".data")));
+static u32 wrsr __data;
#define WRSR_POR (1 << 4)
#define WRSR_TOUT (1 << 1)
printf("\n");
}
-int read_cpu_temperature(void);
-int check_cpu_temperature(int boot);
+static const char __data *tx6_mod_suffix;
+
+#ifdef CONFIG_IMX6_THERMAL
+#include <thermal.h>
+#include <imx_thermal.h>
+#include <fuse.h>
-static void tx6qdl_print_cpuinfo(void)
+static void print_temperature(void)
+{
+ struct udevice *thermal_dev;
+ int cpu_tmp, minc, maxc, ret;
+ char const *grade_str;
+ static u32 __data thermal_calib;
+
+ puts("Temperature: ");
+ switch (get_cpu_temp_grade(&minc, &maxc)) {
+ case TEMP_AUTOMOTIVE:
+ grade_str = "Automotive";
+ break;
+ case TEMP_INDUSTRIAL:
+ grade_str = "Industrial";
+ break;
+ case TEMP_EXTCOMMERCIAL:
+ grade_str = "Extended Commercial";
+ break;
+ default:
+ grade_str = "Commercial";
+ }
+ printf("%s grade (%dC to %dC)", grade_str, minc, maxc);
+ ret = uclass_get_device(UCLASS_THERMAL, 0, &thermal_dev);
+ if (ret == 0) {
+ ret = thermal_get_temp(thermal_dev, &cpu_tmp);
+
+ if (ret == 0)
+ printf(" at %dC", cpu_tmp);
+ else
+ puts(" - failed to read sensor data");
+ } else {
+ puts(" - no sensor device found");
+ }
+
+ if (fuse_read(1, 6, &thermal_calib) == 0) {
+ printf(" - calibration data 0x%08x\n", thermal_calib);
+ } else {
+ puts(" - Failed to read thermal calib fuse\n");
+ }
+}
+#else
+static inline void print_temperature(void)
+{
+}
+#endif
+
+int checkboard(void)
{
u32 cpurev = get_cpu_rev();
char *cpu_str = "?";
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;
}
- printf("CPU: Freescale i.MX6%s rev%d.%d at %d MHz\n",
+ printf("CPU: Freescale i.MX6%s rev%d.%d at %d MHz\n",
cpu_str,
(cpurev & 0x000F0) >> 4,
(cpurev & 0x0000F) >> 0,
mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ print_temperature();
print_reset_cause();
+#ifdef CONFIG_MX6_TEMPERATURE_HOT
check_cpu_temperature(1);
+#endif
+ tx6_i2c_recover();
+ return 0;
}
-#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)
+/* serial port not initialized at this point */
+int board_early_init_f(void)
+{
+ return 0;
+}
-#define mV_to_regval(mV) (((mV) * 360 / 330 - 825 + 1) / 25)
-#define regval_to_mV(v) (((v) * 25 + 825) * 330 / 360)
+#ifndef CONFIG_MX6_TEMPERATURE_HOT
+static bool tx6_temp_check_enabled = true;
+#else
+#define tx6_temp_check_enabled 0
+#endif
-static int setup_pmic_voltages(void)
-{
- int ret;
- unsigned char value;
+#ifdef CONFIG_TX6_NAND
+#define TX6_FLASH_SZ (CONFIG_SYS_NAND_BLOCKS / 1024 - 1)
+#else
+#ifdef CONFIG_MMC_BOOT_SIZE
+#define TX6_FLASH_SZ (CONFIG_MMC_BOOT_SIZE / 4096 + 2)
+#else
+#define TX6_FLASH_SZ 2
+#endif
+#endif /* CONFIG_TX6_NAND */
+
+#define TX6_DDR_SZ (ffs(CONFIG_SYS_SDRAM_BUS_WIDTH / 16) - 1)
+
+static char tx6_mem_table[] = {
+ '4', /* 256MiB SDRAM 16bit; 128MiB NAND */
+ '1', /* 512MiB SDRAM 32bit; 128MiB NAND */
+ '0', /* 1GiB SDRAM 64bit; 128MiB NAND */
+ '?', /* 256MiB SDRAM 16bit; 256MiB NAND */
+ '?', /* 512MiB SDRAM 32bit; 256MiB NAND */
+ '2', /* 1GiB SDRAM 64bit; 256MiB NAND */
+ '?', /* 256MiB SDRAM 16bit; 4GiB eMMC */
+ '5', /* 512MiB SDRAM 32bit; 4GiB eMMC */
+ '3', /* 1GiB SDRAM 64bit; 4GiB eMMC */
+ '?', /* 256MiB SDRAM 16bit; 8GiB eMMC */
+ '?', /* 512MiB SDRAM 32bit; 8GiB eMMC */
+ '0', /* 1GiB SDRAM 64bit; 8GiB eMMC */
+};
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+static struct {
+ uchar addr;
+ uchar rev;
+} tx6_mod_revs[] = {
+ { 0x3c, 1, },
+ { 0x32, 2, },
+ { 0x33, 3, },
+};
- ret = i2c_probe(CONFIG_SYS_I2C_SLAVE);
- if (ret != 0) {
- printf("Failed to initialize I2C\n");
- return ret;
- }
+static inline char tx6_mem_suffix(void)
+{
+ size_t mem_idx = (TX6_FLASH_SZ * 3) + TX6_DDR_SZ;
- ret = i2c_read(CONFIG_SYS_I2C_SLAVE, 0x11, 1, &value, 1);
- if (ret) {
- printf("%s: i2c_read error: %d\n", __func__, ret);
- return ret;
- }
+ debug("TX6_DDR_SZ=%d TX6_FLASH_SZ=%d idx=%d\n",
+ TX6_DDR_SZ, TX6_FLASH_SZ, mem_idx);
- /* VDDCORE/VDDSOC default 1.375V is not enough, considering
- pfuze tolerance and IR drop and ripple, need increase
- to 1.425V for SabreSD */
+ if (mem_idx >= ARRAY_SIZE(tx6_mem_table))
+ return '?';
- 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;
- }
+ return tx6_mem_table[mem_idx];
+};
- 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));
+static int tx6_get_mod_rev(unsigned int pmic_id)
+{
+ if (pmic_id < ARRAY_SIZE(tx6_mod_revs))
+ return tx6_mod_revs[pmic_id].rev;
- 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)
+static int tx6_pmic_probe(void)
{
- gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
- imx_iomux_v3_setup_multiple_pads(tx6qdl_pads, ARRAY_SIZE(tx6qdl_pads));
+ int i;
- return 0;
+ debug("%s@%d: \n", __func__, __LINE__);
+
+ for (i = 0; i < ARRAY_SIZE(tx6_mod_revs); i++) {
+ u8 i2c_addr = tx6_mod_revs[i].addr;
+ int ret = i2c_probe(i2c_addr);
+
+ if (ret == 0) {
+ debug("I2C probe succeeded for addr 0x%02x\n", i2c_addr);
+ return i;
+ }
+ debug("I2C probe returned %d for addr 0x%02x\n", ret, i2c_addr);
+ }
+ return -EINVAL;
}
int board_init(void)
{
int ret;
+ u32 cpurev = get_cpu_rev();
+ int cpu_variant = (cpurev >> 12) & 0xff;
+ int pmic_id;
+
+ debug("%s@%d: \n", __func__, __LINE__);
+
+ pmic_id = tx6_pmic_probe();
+ if (pmic_id >= 0 && pmic_id < ARRAY_SIZE(tx6_mod_revs))
+ pmic_addr = tx6_mod_revs[pmic_id].addr;
+
+ printf("Board: Ka-Ro TX6%s-%d%d%d%c\n",
+ tx6_mod_suffix,
+ cpu_variant == MXC_CPU_MX6Q ? 1 : 8,
+ is_lvds(), tx6_get_mod_rev(pmic_id),
+ tx6_mem_suffix());
+
+ get_hab_status();
+
+ ret = gpio_request_array(tx6qdl_gpios, ARRAY_SIZE(tx6qdl_gpios));
+ if (ret < 0) {
+ printf("Failed to request tx6qdl_gpios: %d\n", ret);
+ }
+ imx_iomux_v3_setup_multiple_pads(tx6qdl_pads, ARRAY_SIZE(tx6qdl_pads));
/* 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;
+
+ if (ctrlc() || (wrsr & WRSR_TOUT)) {
+ if (wrsr & WRSR_TOUT)
+ printf("WDOG RESET detected; Skipping PMIC setup\n");
+ else
+ printf("<CTRL-C> detected; safeboot enabled\n");
+#ifndef CONFIG_MX6_TEMPERATURE_HOT
+ tx6_temp_check_enabled = false;
#endif
- ret = setup_pmic_voltages();
+ return 0;
+ }
+
+ ret = tx6_pmic_init(pmic_addr, NULL, 0);
if (ret) {
- printf("Failed to setup PMIC voltages\n");
+ printf("Failed to setup PMIC voltages: %d\n", ret);
hang();
}
return 0;
int dram_init(void)
{
+ debug("%s@%d: \n", __func__, __LINE__);
+
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
- PHYS_SDRAM_1_SIZE);
+ PHYS_SDRAM_1_SIZE * CONFIG_NR_DRAM_BANKS);
return 0;
}
void dram_init_banksize(void)
{
+ debug("%s@%d: \n", __func__, __LINE__);
+
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = get_ram_size((void *)PHYS_SDRAM_1,
PHYS_SDRAM_1_SIZE);
#endif
}
-#ifdef CONFIG_CMD_MMC
+#ifdef CONFIG_FSL_ESDHC
+#define SD_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
+ PAD_CTL_SRE_FAST)
+
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__SD1_CMD | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(SD_PAD_CTRL),
/* SD1 CD */
- MX6_PAD_SD3_CMD__GPIO_7_2,
+ MX6_PAD_SD3_CMD__GPIO7_IO02,
};
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__SD2_CMD | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(SD_PAD_CTRL),
/* SD2 CD */
- MX6_PAD_SD3_CLK__GPIO_7_3,
+ MX6_PAD_SD3_CLK__GPIO7_IO03,
+};
+
+#ifdef CONFIG_TX6_EMMC
+static const iomux_v3_cfg_t mmc3_pads[] = {
+ MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(SD_PAD_CTRL),
+ /* eMMC RESET */
+ MX6_PAD_NANDF_ALE__SD4_RESET | MUX_PAD_CTRL(PAD_CTL_PUS_47K_UP |
+ PAD_CTL_DSE_40ohm),
};
+#endif
static struct tx6_esdhc_cfg {
const iomux_v3_cfg_t *pads;
struct fsl_esdhc_cfg cfg;
int cd_gpio;
} tx6qdl_esdhc_cfg[] = {
+#ifdef CONFIG_TX6_EMMC
+ {
+ .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",
+ debug("SD card %d is %spresent (GPIO %d)\n",
cfg - tx6qdl_esdhc_cfg,
- gpio_get_value(cfg->cd_gpio) ? "NOT " : "");
+ gpio_get_value(cfg->cd_gpio) ? "NOT " : "",
+ cfg->cd_gpio);
return !gpio_get_value(cfg->cd_gpio);
}
{
int i;
+ debug("%s@%d: \n", __func__, __LINE__);
+
for (i = 0; i < ARRAY_SIZE(tx6qdl_esdhc_cfg); i++) {
struct mmc *mmc;
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,
+ GPIOFLAG_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;
#ifdef CONFIG_FEC_MXC
-#define FEC_PAD_CTL (PAD_CTL_DVS | PAD_CTL_DSE_HIGH | \
- PAD_CTL_SRE_FAST)
-#define FEC_PAD_CTL2 (PAD_CTL_DVS | PAD_CTL_SRE_FAST)
-#define GPIO_PAD_CTL (PAD_CTL_DVS | PAD_CTL_DSE_HIGH)
-
#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
{
int ret;
+ debug("%s@%d: \n", __func__, __LINE__);
+
/* delay at least 21ms for the PHY internal POR signal to deassert */
udelay(22000);
- imx_iomux_v3_setup_multiple_pads(tx6qdl_fec_pads, ARRAY_SIZE(tx6qdl_fec_pads));
+ imx_iomux_v3_setup_multiple_pads(tx6qdl_fec_pads,
+ ARRAY_SIZE(tx6qdl_fec_pads));
/* Deassert RESET to the external phy */
gpio_set_value(TX6_FEC_RST_GPIO, 1);
return ret;
}
+
+static void tx6_init_mac(void)
+{
+ u8 mac[ETH_ALEN];
+
+ imx_get_mac_from_fuse(0, mac);
+ if (!is_valid_ethaddr(mac)) {
+ printf("No valid MAC address programmed\n");
+ return;
+ }
+
+ printf("MAC addr from fuse: %pM\n", mac);
+ eth_setenv_enetaddr("ethaddr", mac);
+}
+#else
+static inline void tx6_init_mac(void)
+{
+}
#endif /* CONFIG_FEC_MXC */
enum {
LED_STATE_ON,
};
-static inline int calc_blink_rate(int tmp)
+static inline int calc_blink_rate(void)
{
+ if (!tx6_temp_check_enabled)
+ return CONFIG_SYS_HZ;
+
return CONFIG_SYS_HZ + CONFIG_SYS_HZ / 10 -
- (tmp - TEMPERATURE_MIN) * CONFIG_SYS_HZ /
+ (check_cpu_temperature(0) - TEMPERATURE_MIN) * CONFIG_SYS_HZ /
(TEMPERATURE_HOT - TEMPERATURE_MIN);
}
last = get_timer(0);
gpio_set_value(TX6_LED_GPIO, 1);
led_state = LED_STATE_ON;
- blink_rate = calc_blink_rate(check_cpu_temperature(0));
+ blink_rate = calc_blink_rate();
} else {
if (get_timer(last) > blink_rate) {
- blink_rate = calc_blink_rate(check_cpu_temperature(0));
+ blink_rate = calc_blink_rate();
last = get_timer_masked();
if (led_state == LED_STATE_ON) {
gpio_set_value(TX6_LED_GPIO, 0);
static const iomux_v3_cfg_t stk5_pads[] = {
/* 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 */
+ MX6_PAD_EIM_A18__GPIO2_IO20,
/* I2C bus on DIMM pins 40/41 */
MX6_PAD_GPIO_6__I2C3_SDA,
MX6_PAD_GPIO_3__I2C3_SCL,
/* TSC200x PEN IRQ */
- MX6_PAD_EIM_D26__GPIO_3_26,
+ MX6_PAD_EIM_D26__GPIO3_IO26,
/* EDT-FT5x06 Polytouch panel */
- MX6_PAD_NANDF_CS2__GPIO_6_15, /* IRQ */
- MX6_PAD_EIM_A16__GPIO_2_22, /* RESET */
- MX6_PAD_EIM_A17__GPIO_2_21, /* WAKE */
+ MX6_PAD_NANDF_CS2__GPIO6_IO15, /* IRQ */
+ MX6_PAD_EIM_A16__GPIO2_IO22, /* RESET */
+ MX6_PAD_EIM_A17__GPIO2_IO21, /* WAKE */
/* USBH1 */
- MX6_PAD_EIM_D31__GPIO_3_31, /* VBUSEN */
- MX6_PAD_EIM_D30__GPIO_3_30, /* OC */
+ MX6_PAD_EIM_D31__GPIO3_IO31, /* VBUSEN */
+ MX6_PAD_EIM_D30__GPIO3_IO30, /* OC */
/* USBOTG */
- MX6_PAD_EIM_D23__GPIO_3_23, /* USBOTG ID */
- MX6_PAD_GPIO_7__GPIO_1_7, /* VBUSEN */
- MX6_PAD_GPIO_8__GPIO_1_8, /* OC */
+ MX6_PAD_EIM_D23__GPIO3_IO23, /* USBOTG ID */
+ MX6_PAD_GPIO_7__GPIO1_IO07, /* VBUSEN */
+ MX6_PAD_GPIO_8__GPIO1_IO08, /* OC */
};
static const struct gpio stk5_gpios[] = {
- { TX6_LED_GPIO, GPIOF_OUTPUT_INIT_LOW, "HEARTBEAT LED", },
+ { TX6_LED_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "HEARTBEAT LED", },
- { IMX_GPIO_NR(3, 23), GPIOF_INPUT, "USBOTG ID", },
- { IMX_GPIO_NR(1, 8), GPIOF_INPUT, "USBOTG OC", },
- { IMX_GPIO_NR(1, 7), GPIOF_OUTPUT_INIT_LOW, "USBOTG VBUS enable", },
- { IMX_GPIO_NR(3, 30), GPIOF_INPUT, "USBH1 OC", },
- { IMX_GPIO_NR(3, 31), GPIOF_OUTPUT_INIT_LOW, "USBH1 VBUS enable", },
+ { IMX_GPIO_NR(3, 23), GPIOFLAG_INPUT, "USBOTG ID", },
+ { IMX_GPIO_NR(1, 8), GPIOFLAG_INPUT, "USBOTG OC", },
+ { IMX_GPIO_NR(1, 7), GPIOFLAG_OUTPUT_INIT_LOW, "USBOTG VBUS enable", },
+ { IMX_GPIO_NR(3, 30), GPIOFLAG_INPUT, "USBH1 OC", },
+ { IMX_GPIO_NR(3, 31), GPIOFLAG_OUTPUT_INIT_LOW, "USBH1 VBUS enable", },
};
#ifdef CONFIG_LCD
.vl_col = 1920,
.vl_row = 1080,
- .vl_bpix = LCD_COLOR24, /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
+ .vl_bpix = LCD_COLOR32, /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
};
static struct fb_videomode tx6_fb_modes[] = {
+#ifndef CONFIG_SYS_LVDS_IF
{
/* Standard VGA timing */
.name = "VGA",
.upper_margin = 2,
.vsync_len = 10,
.lower_margin = 2,
- .sync = FB_SYNC_CLK_LAT_FALL,
},
{
/* Emerging ET0500G0DH6 800 x 480 display.
.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)
{
*/
lcd_is_enabled = 0;
- karo_load_splashimage(1);
-
if (lcd_enabled) {
+ karo_load_splashimage(1);
+
debug("Switching LCD on\n");
gpio_set_value(TX6_LCD_PWR_GPIO, 1);
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);
}
static const iomux_v3_cfg_t stk5_lcd_pads[] = {
/* LCD RESET */
- MX6_PAD_EIM_D29__GPIO_3_29,
+ MX6_PAD_EIM_D29__GPIO3_IO29,
/* LCD POWER_ENABLE */
- MX6_PAD_EIM_EB3__GPIO_2_31,
+ MX6_PAD_EIM_EB3__GPIO2_IO31,
/* LCD Backlight (PWM) */
- MX6_PAD_GPIO_1__GPIO_1_1,
+ MX6_PAD_GPIO_1__GPIO1_IO01,
+#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_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_DISP0_DAT0__IPU1_DISP0_DATA00,
+ MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01,
+ MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02,
+ MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03,
+ MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04,
+ MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05,
+ MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06,
+ MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07,
+ MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08,
+ MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09,
+ MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10,
+ MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11,
+ MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12,
+ MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13,
+ MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14,
+ MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15,
+ MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16,
+ MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17,
+ MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18,
+ MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19,
+ MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20,
+ MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21,
+ MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22,
+ MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23,
+ MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* HSYNC */
+ MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* 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[] = {
- { TX6_LCD_RST_GPIO, GPIOF_OUTPUT_INIT_LOW, "LCD RESET", },
- { TX6_LCD_PWR_GPIO, GPIOF_OUTPUT_INIT_LOW, "LCD POWER", },
- { TX6_LCD_BACKLIGHT_GPIO, GPIOF_OUTPUT_INIT_HIGH, "LCD BACKLIGHT", },
+ { TX6_LCD_RST_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD RESET", },
+ { TX6_LCD_PWR_GPIO, GPIOFLAG_OUTPUT_INIT_LOW, "LCD POWER", },
+ { TX6_LCD_BACKLIGHT_GPIO, GPIOFLAG_OUTPUT_INIT_HIGH, "LCD BACKLIGHT", },
};
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) {
debug("LCD disabled\n");
+ goto disable;
return;
}
- if (tstc() || (wrsr & WRSR_TOUT)) {
+ if (had_ctrlc() || (wrsr & WRSR_TOUT)) {
debug("Disabling LCD\n");
lcd_enabled = 0;
+ setenv("splashimage", NULL);
+ goto disable;
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;
+ goto disable;
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);
fb_mode.xres, fb_mode.yres,
panel_info.vl_col, panel_info.vl_row);
lcd_enabled = 0;
+ goto disable;
return;
}
}
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(" %s", p->name);
}
printf("\n");
+ goto disable;
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;
+ goto disable;
return;
}
panel_info.vl_col = p->xres;
panel_info.vl_bpix = LCD_COLOR16;
break;
default:
- panel_info.vl_bpix = LCD_COLOR24;
+ panel_info.vl_bpix = LCD_COLOR32;
}
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);
+ goto disable;
+ 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;
+ uint32_t gpr3;
+
+ if (lvds_chan_mask == 0) {
+ printf("No LVDS channel active\n");
+ lcd_enabled = 0;
+ goto disable;
+ 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);
+
+ gpr3 = readl(IOMUXC_BASE_ADDR + 0xc);
+ gpr3 &= ~((3 << 8) | (3 << 6));
+ writel(gpr3, IOMUXC_BASE_ADDR + 0xc);
+ }
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,
+ is_lvds() ? DI_PCLK_LDB : 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");
}
+ return;
+
+disable:
+ lcd_enabled = 0;
+ panel_info.vl_col = 0;
+ panel_info.vl_row = 0;
+
}
#else
#define lcd_enabled 0
static void stk5_board_init(void)
{
- gpio_request_array(stk5_gpios, ARRAY_SIZE(stk5_gpios));
+ int ret;
+
+ ret = gpio_request_array(stk5_gpios, ARRAY_SIZE(stk5_gpios));
+ if (ret < 0) {
+ printf("Failed to request stk5_gpios: %d\n", ret);
+ return;
+ }
imx_iomux_v3_setup_multiple_pads(stk5_pads, ARRAY_SIZE(stk5_pads));
}
static void stk5v5_board_init(void)
{
+ int ret;
+
stk5_board_init();
- gpio_request_one(IMX_GPIO_NR(4, 21), GPIOF_OUTPUT_INIT_HIGH,
+ ret = gpio_request_one(IMX_GPIO_NR(4, 21), GPIOFLAG_OUTPUT_INIT_HIGH,
"Flexcan Transceiver");
- imx_iomux_v3_setup_pad(MX6_PAD_DISP0_DAT0__GPIO_4_21);
+ if (ret) {
+ printf("Failed to request Flexcan Transceiver GPIO: %d\n", ret);
+ return;
+ }
+
+ imx_iomux_v3_setup_pad(MX6_PAD_DISP0_DAT0__GPIO4_IO21);
}
static void tx6qdl_set_cpu_clock(void)
{
unsigned long cpu_clk = getenv_ulong("cpu_clk", 10, 0);
- if (tstc() || (wrsr & WRSR_TOUT))
- return;
-
if (cpu_clk == 0 || cpu_clk == mxc_get_clock(MXC_ARM_CLK) / 1000000)
return;
+ if (had_ctrlc() || (wrsr & WRSR_TOUT)) {
+ printf("%s detected; skipping cpu clock change\n",
+ (wrsr & WRSR_TOUT) ? "WDOG RESET" : "<CTRL-C>");
+ return;
+ }
if (mxc_set_clock(CONFIG_SYS_MX6_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("Failed to set CPU clock to %lu MHz\n", cpu_clk);
+ printf("Error: Failed to set CPU clock to %lu MHz\n", cpu_clk);
}
}
-static void tx6_init_mac(void)
+int board_late_init(void)
{
- u8 mac[ETH_ALEN];
+ const char *baseboard;
- imx_get_mac_from_fuse(-1, mac);
- if (!is_valid_ether_addr(mac)) {
- printf("No valid MAC address programmed\n");
- return;
- }
+ debug("%s@%d: \n", __func__, __LINE__);
- eth_setenv_enetaddr("ethaddr", mac);
- printf("MAC addr from fuse: %pM\n", mac);
-}
+ env_cleanup();
-int board_late_init(void)
-{
- int ret = 0;
- const char *baseboard;
+ if (tx6_temp_check_enabled)
+ check_cpu_temperature(1);
tx6qdl_set_cpu_clock();
- karo_fdt_move_fdt();
+
+ if (had_ctrlc())
+ setenv_ulong("safeboot", 1);
+ else if (wrsr & WRSR_TOUT)
+ setenv_ulong("wdreset", 1);
+ else
+ karo_fdt_move_fdt();
baseboard = getenv("baseboard");
if (!baseboard)
} else {
printf("WARNING: Unsupported baseboard: '%s'\n",
baseboard);
- ret = -EINVAL;
+ if (!had_ctrlc())
+ return -EINVAL;
}
exit:
tx6_init_mac();
gpio_set_value(TX6_RESET_OUT_GPIO, 1);
- return ret;
-}
-
-int checkboard(void)
-{
- u32 cpurev = get_cpu_rev();
- int cpu_variant = (cpurev >> 12) & 0xff;
-
- tx6qdl_print_cpuinfo();
-
- printf("Board: Ka-Ro TX6%c-%dxx%d\n",
- cpu_variant == MXC_CPU_MX6Q ? 'Q' : 'U',
- cpu_variant == MXC_CPU_MX6Q ? 1 : 8,
- 1 - PHYS_SDRAM_1_WIDTH / 64);
-
+ clear_ctrlc();
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
-void ft_board_setup(void *blob, bd_t *bd)
+static const char *tx6_touchpanels[] = {
+ "ti,tsc2007",
+ "edt,edt-ft5x06",
+ "eeti,egalax_ts",
+};
+
+int 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;
- karo_fdt_enable_node(blob, "stk5led", !stk5_v5);
+ ret = fdt_increase_size(blob, 4096);
+ if (ret) {
+ printf("Failed to increase FDT size: %s\n", fdt_strerror(ret));
+ return 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);
- karo_fdt_fixup_usb_otg(blob, "usbotg", "fsl,usbphy");
+ 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, getenv("video_mode"));
+
+ karo_fdt_update_fb_mode(blob, video_mode);
+
+ return 0;
}
#endif /* CONFIG_OF_BOARD_SETUP */
projects / karo-tx-uboot.git / blobdiff