--- /dev/null
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <cros_ec.h>
+#include <fdtdec.h>
+#include <asm/io.h>
+#include <errno.h>
+#include <i2c.h>
+#include <netdev.h>
+#include <spi.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/power.h>
+#include <asm/arch/sromc.h>
+#include <power/pmic.h>
+#include <power/max77686_pmic.h>
+#include <tmu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined CONFIG_EXYNOS_TMU
+/*
+ * Boot Time Thermal Analysis for SoC temperature threshold breach
+ */
+static void boot_temp_check(void)
+{
+ int temp;
+
+ switch (tmu_monitor(&temp)) {
+ /* Status TRIPPED ans WARNING means corresponding threshold breach */
+ case TMU_STATUS_TRIPPED:
+ puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
+ set_ps_hold_ctrl();
+ hang();
+ break;
+ case TMU_STATUS_WARNING:
+ puts("EXYNOS_TMU: WARNING! Temperature very high\n");
+ break;
+ /*
+ * TMU_STATUS_INIT means something is wrong with temperature sensing
+ * and TMU status was changed back from NORMAL to INIT.
+ */
+ case TMU_STATUS_INIT:
+ default:
+ debug("EXYNOS_TMU: Unknown TMU state\n");
+ }
+}
+#endif
+
+struct local_info {
+ struct cros_ec_dev *cros_ec_dev; /* Pointer to cros_ec device */
+ int cros_ec_err; /* Error for cros_ec, 0 if ok */
+};
+
+static struct local_info local;
+
+#ifdef CONFIG_USB_EHCI_EXYNOS
+int board_usb_vbus_init(void)
+{
+ struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+ samsung_get_base_gpio_part1();
+
+ /* Enable VBUS power switch */
+ s5p_gpio_direction_output(&gpio1->x2, 6, 1);
+
+ /* VBUS turn ON time */
+ mdelay(3);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_SOUND_MAX98095
+static void board_enable_audio_codec(void)
+{
+ struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+ samsung_get_base_gpio_part1();
+
+ /* Enable MAX98095 Codec */
+ s5p_gpio_direction_output(&gpio1->x1, 7, 1);
+ s5p_gpio_set_pull(&gpio1->x1, 7, GPIO_PULL_NONE);
+}
+#endif
+
+struct cros_ec_dev *board_get_cros_ec_dev(void)
+{
+ return local.cros_ec_dev;
+}
+
+static int board_init_cros_ec_devices(const void *blob)
+{
+ local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
+ if (local.cros_ec_err)
+ return -1; /* Will report in board_late_init() */
+
+ return 0;
+}
+
+int board_init(void)
+{
+ gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+
+#if defined CONFIG_EXYNOS_TMU
+ if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
+ debug("%s: Failed to init TMU\n", __func__);
+ return -1;
+ }
+ boot_temp_check();
+#endif
+
+#ifdef CONFIG_EXYNOS_SPI
+ spi_init();
+#endif
+
+ if (board_init_cros_ec_devices(gd->fdt_blob))
+ return -1;
+
+#ifdef CONFIG_USB_EHCI_EXYNOS
+ board_usb_vbus_init();
+#endif
+#ifdef CONFIG_SOUND_MAX98095
+ board_enable_audio_codec();
+#endif
+ return 0;
+}
+
+int dram_init(void)
+{
+ int i;
+ u32 addr;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+ gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+ }
+ return 0;
+}
+
+#if defined(CONFIG_POWER)
+static int pmic_reg_update(struct pmic *p, int reg, uint regval)
+{
+ u32 val;
+ int ret = 0;
+
+ ret = pmic_reg_read(p, reg, &val);
+ if (ret) {
+ debug("%s: PMIC %d register read failed\n", __func__, reg);
+ return -1;
+ }
+ val |= regval;
+ ret = pmic_reg_write(p, reg, val);
+ if (ret) {
+ debug("%s: PMIC %d register write failed\n", __func__, reg);
+ return -1;
+ }
+ return 0;
+}
+
+int power_init_board(void)
+{
+ struct pmic *p;
+
+ set_ps_hold_ctrl();
+
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+ if (pmic_init(I2C_PMIC))
+ return -1;
+
+ p = pmic_get("MAX77686_PMIC");
+ if (!p)
+ return -ENODEV;
+
+ if (pmic_probe(p))
+ return -1;
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_32KHZ, MAX77686_32KHCP_EN))
+ return -1;
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_BBAT,
+ MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V))
+ return -1;
+
+ /* VDD_MIF */
+ if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT,
+ MAX77686_BUCK1OUT_1V)) {
+ debug("%s: PMIC %d register write failed\n", __func__,
+ MAX77686_REG_PMIC_BUCK1OUT);
+ return -1;
+ }
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK1CRTL,
+ MAX77686_BUCK1CTRL_EN))
+ return -1;
+
+ /* VDD_ARM */
+ if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK2DVS1,
+ MAX77686_BUCK2DVS1_1_3V)) {
+ debug("%s: PMIC %d register write failed\n", __func__,
+ MAX77686_REG_PMIC_BUCK2DVS1);
+ return -1;
+ }
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK2CTRL1,
+ MAX77686_BUCK2CTRL_ON))
+ return -1;
+
+ /* VDD_INT */
+ if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK3DVS1,
+ MAX77686_BUCK3DVS1_1_0125V)) {
+ debug("%s: PMIC %d register write failed\n", __func__,
+ MAX77686_REG_PMIC_BUCK3DVS1);
+ return -1;
+ }
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK3CTRL,
+ MAX77686_BUCK3CTRL_ON))
+ return -1;
+
+ /* VDD_G3D */
+ if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK4DVS1,
+ MAX77686_BUCK4DVS1_1_2V)) {
+ debug("%s: PMIC %d register write failed\n", __func__,
+ MAX77686_REG_PMIC_BUCK4DVS1);
+ return -1;
+ }
+
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_BUCK4CTRL1,
+ MAX77686_BUCK3CTRL_ON))
+ return -1;
+
+ /* VDD_LDO2 */
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO2CTRL1,
+ MAX77686_LD02CTRL1_1_5V | EN_LDO))
+ return -1;
+
+ /* VDD_LDO3 */
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO3CTRL1,
+ MAX77686_LD03CTRL1_1_8V | EN_LDO))
+ return -1;
+
+ /* VDD_LDO5 */
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO5CTRL1,
+ MAX77686_LD05CTRL1_1_8V | EN_LDO))
+ return -1;
+
+ /* VDD_LDO10 */
+ if (pmic_reg_update(p, MAX77686_REG_PMIC_LDO10CTRL1,
+ MAX77686_LD10CTRL1_1_8V | EN_LDO))
+ return -1;
+
+ return 0;
+}
+#endif
+
+void dram_init_banksize(void)
+{
+ int i;
+ u32 addr, size;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
+ size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
+
+ gd->bd->bi_dram[i].start = addr;
+ gd->bd->bi_dram[i].size = size;
+ }
+}
+
+static int decode_sromc(const void *blob, struct fdt_sromc *config)
+{
+ int err;
+ int node;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
+ if (node < 0) {
+ debug("Could not find SROMC node\n");
+ return node;
+ }
+
+ config->bank = fdtdec_get_int(blob, node, "bank", 0);
+ config->width = fdtdec_get_int(blob, node, "width", 2);
+
+ err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
+ FDT_SROM_TIMING_COUNT);
+ if (err < 0) {
+ debug("Could not decode SROMC configuration Error: %s\n",
+ fdt_strerror(err));
+ return -FDT_ERR_NOTFOUND;
+ }
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+ u32 smc_bw_conf, smc_bc_conf;
+ struct fdt_sromc config;
+ fdt_addr_t base_addr;
+ int node;
+
+ node = decode_sromc(gd->fdt_blob, &config);
+ if (node < 0) {
+ debug("%s: Could not find sromc configuration\n", __func__);
+ return 0;
+ }
+ node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
+ if (node < 0) {
+ debug("%s: Could not find lan9215 configuration\n", __func__);
+ return 0;
+ }
+
+ /* We now have a node, so any problems from now on are errors */
+ base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
+ if (base_addr == FDT_ADDR_T_NONE) {
+ debug("%s: Could not find lan9215 address\n", __func__);
+ return -1;
+ }
+
+ /* Ethernet needs data bus width of 16 bits */
+ if (config.width != 2) {
+ debug("%s: Unsupported bus width %d\n", __func__,
+ config.width);
+ return -1;
+ }
+ smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
+ | SROMC_BYTE_ENABLE(config.bank);
+
+ smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
+ SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
+ SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
+ SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
+ SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
+ SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
+ SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
+
+ /* Select and configure the SROMC bank */
+ exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
+ s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
+ return smc911x_initialize(0, base_addr);
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ const char *board_name;
+
+ board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+ if (board_name == NULL)
+ printf("\nUnknown Board\n");
+ else
+ printf("\nBoard: %s\n", board_name);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ int ret;
+ /* dwmmc initializattion for available channels */
+ ret = exynos_dwmmc_init(gd->fdt_blob);
+ if (ret)
+ debug("dwmmc init failed\n");
+
+ return ret;
+}
+#endif
+
+static int board_uart_init(void)
+{
+ int err, uart_id, ret = 0;
+
+ for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
+ err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
+ if (err) {
+ debug("UART%d not configured\n",
+ (uart_id - PERIPH_ID_UART0));
+ ret |= err;
+ }
+ }
+ return ret;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+ int err;
+ err = board_uart_init();
+ if (err) {
+ debug("UART init failed\n");
+ return err;
+ }
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
+ board_i2c_init(gd->fdt_blob);
+#endif
+ return err;
+}
+#endif
+
+#ifdef CONFIG_LCD
+void exynos_cfg_lcd_gpio(void)
+{
+ struct exynos5_gpio_part1 *gpio1 =
+ (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1();
+
+ /* For Backlight */
+ s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT);
+ s5p_gpio_set_value(&gpio1->b2, 0, 1);
+
+ /* LCD power on */
+ s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT);
+ s5p_gpio_set_value(&gpio1->x1, 5, 1);
+
+ /* Set Hotplug detect for DP */
+ s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3));
+}
+
+void exynos_set_dp_phy(unsigned int onoff)
+{
+ set_dp_phy_ctrl(onoff);
+}
+#endif
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ stdio_print_current_devices();
+
+ if (local.cros_ec_err) {
+ /* Force console on */
+ gd->flags &= ~GD_FLG_SILENT;
+
+ printf("cros-ec communications failure %d\n",
+ local.cros_ec_err);
+ puts("\nPlease reset with Power+Refresh\n\n");
+ panic("Cannot init cros-ec device");
+ return -1;
+ }
+ return 0;
+}
+#endif
projects / karo-tx-uboot.git / blobdiff