diff options
Diffstat (limited to 'roms/u-boot/board/samsung/trats2/trats2.c')
-rw-r--r-- | roms/u-boot/board/samsung/trats2/trats2.c | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/roms/u-boot/board/samsung/trats2/trats2.c b/roms/u-boot/board/samsung/trats2/trats2.c new file mode 100644 index 000000000..59e6fbf4b --- /dev/null +++ b/roms/u-boot/board/samsung/trats2/trats2.c @@ -0,0 +1,338 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved. + * Sanghee Kim <sh0130.kim@samsung.com> + * Piotr Wilczek <p.wilczek@samsung.com> + */ + +#include <common.h> +#include <lcd.h> +#include <log.h> +#include <asm/gpio.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/power.h> +#include <asm/arch/mipi_dsim.h> +#include <linux/delay.h> +#include <power/pmic.h> +#include <power/max77686_pmic.h> +#include <power/battery.h> +#include <power/max77693_pmic.h> +#include <power/max77693_muic.h> +#include <power/max77693_fg.h> +#include <libtizen.h> +#include <errno.h> +#include <usb.h> +#include <usb/dwc2_udc.h> +#include <usb_mass_storage.h> + +static unsigned int board_rev = -1; + +static inline u32 get_model_rev(void); + +static void check_hw_revision(void) +{ + int modelrev = 0; + char str[12]; + int i; + + /* + * GPM1[1:0]: MODEL_REV[1:0] + * Don't set as pull-none for these N/C pin. + * TRM say that it may cause unexcepted state and leakage current. + * and pull-none is only for output function. + */ + for (i = 0; i < 2; i++) { + int pin = i + EXYNOS4X12_GPIO_M10; + + sprintf(str, "model_rev%d", i); + gpio_request(pin, str); + gpio_cfg_pin(pin, S5P_GPIO_INPUT); + } + + /* GPM1[5:2]: HW_REV[3:0] */ + for (i = 0; i < 4; i++) { + int pin = i + EXYNOS4X12_GPIO_M12; + + sprintf(str, "hw_rev%d", i); + gpio_request(pin, str); + gpio_cfg_pin(pin, S5P_GPIO_INPUT); + gpio_set_pull(pin, S5P_GPIO_PULL_NONE); + } + + /* GPM1[1:0]: MODEL_REV[1:0] */ + for (i = 0; i < 2; i++) + modelrev |= (gpio_get_value(EXYNOS4X12_GPIO_M10 + i) << i); + + /* board_rev[15:8] = model */ + board_rev = modelrev << 8; +} + +u32 get_board_rev(void) +{ + return board_rev; +} + +static inline u32 get_model_rev(void) +{ + return (board_rev >> 8) & 0xff; +} + +static void board_external_gpio_init(void) +{ + /* + * some pins which in alive block are connected with external pull-up + * but it's default setting is pull-down. + * if that pin set as input then that floated + */ + + gpio_set_pull(EXYNOS4X12_GPIO_X02, S5P_GPIO_PULL_NONE); /* PS_ALS_INT */ + gpio_set_pull(EXYNOS4X12_GPIO_X04, S5P_GPIO_PULL_NONE); /* TSP_nINT */ + gpio_set_pull(EXYNOS4X12_GPIO_X07, S5P_GPIO_PULL_NONE); /* AP_PMIC_IRQ*/ + gpio_set_pull(EXYNOS4X12_GPIO_X15, S5P_GPIO_PULL_NONE); /* IF_PMIC_IRQ*/ + gpio_set_pull(EXYNOS4X12_GPIO_X20, S5P_GPIO_PULL_NONE); /* VOL_UP */ + gpio_set_pull(EXYNOS4X12_GPIO_X21, S5P_GPIO_PULL_NONE); /* VOL_DOWN */ + gpio_set_pull(EXYNOS4X12_GPIO_X23, S5P_GPIO_PULL_NONE); /* FUEL_ALERT */ + gpio_set_pull(EXYNOS4X12_GPIO_X24, S5P_GPIO_PULL_NONE); /* ADC_INT */ + gpio_set_pull(EXYNOS4X12_GPIO_X27, S5P_GPIO_PULL_NONE); /* nPOWER */ + gpio_set_pull(EXYNOS4X12_GPIO_X30, S5P_GPIO_PULL_NONE); /* WPC_INT */ + gpio_set_pull(EXYNOS4X12_GPIO_X35, S5P_GPIO_PULL_NONE); /* OK_KEY */ + gpio_set_pull(EXYNOS4X12_GPIO_X37, S5P_GPIO_PULL_NONE); /* HDMI_HPD */ +} + +int exynos_early_init_f(void) +{ + board_external_gpio_init(); + + return 0; +} + +int exynos_init(void) +{ + struct exynos4_power *pwr = + (struct exynos4_power *)samsung_get_base_power(); + + check_hw_revision(); + printf("HW Revision:\t0x%04x\n", board_rev); + + /* + * First bootloader on the TRATS2 platform uses + * INFORM4 and INFORM5 registers for recovery + * + * To indicate correct boot chain - those two + * registers must be cleared out + */ + writel(0, &pwr->inform4); + writel(0, &pwr->inform5); + + return 0; +} + +int exynos_power_init(void) +{ +#if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */ + int chrg; + struct power_battery *pb; + struct pmic *p_chrg, *p_muic, *p_fg, *p_bat; + + pmic_init_max77693(I2C_10); /* I2C adapter 10 - bus name soft1 */ + power_muic_init(I2C_10); /* I2C adapter 10 - bus name soft1 */ + power_fg_init(I2C_9); /* I2C adapter 9 - bus name soft0 */ + power_bat_init(0); + + p_chrg = pmic_get("MAX77693_PMIC"); + if (!p_chrg) { + puts("MAX77693_PMIC: Not found\n"); + return -ENODEV; + } + + p_muic = pmic_get("MAX77693_MUIC"); + if (!p_muic) { + puts("MAX77693_MUIC: Not found\n"); + return -ENODEV; + } + + p_fg = pmic_get("MAX77693_FG"); + if (!p_fg) { + puts("MAX17042_FG: Not found\n"); + return -ENODEV; + } + + if (p_chrg->chrg->chrg_bat_present(p_chrg) == 0) + puts("No battery detected\n"); + + p_bat = pmic_get("BAT_TRATS2"); + if (!p_bat) { + puts("BAT_TRATS2: Not found\n"); + return -ENODEV; + } + + p_fg->parent = p_bat; + p_chrg->parent = p_bat; + p_muic->parent = p_bat; + + p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic); + + pb = p_bat->pbat; + chrg = p_muic->chrg->chrg_type(p_muic); + debug("CHARGER TYPE: %d\n", chrg); + + if (!p_chrg->chrg->chrg_bat_present(p_chrg)) { + puts("No battery detected\n"); + return 0; + } + + p_fg->fg->fg_battery_check(p_fg, p_bat); + + if (pb->bat->state == CHARGE && chrg == CHARGER_USB) + puts("CHARGE Battery !\n"); +#endif + return 0; +} + +#ifdef CONFIG_USB_GADGET +static int s5pc210_phy_control(int on) +{ +#if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */ + int ret = 0; + unsigned int val; + struct pmic *p, *p_pmic, *p_muic; + + p_pmic = pmic_get("MAX77686_PMIC"); + if (!p_pmic) + return -ENODEV; + + if (pmic_probe(p_pmic)) + return -1; + + p_muic = pmic_get("MAX77693_MUIC"); + if (!p_muic) + return -ENODEV; + + if (pmic_probe(p_muic)) + return -1; + + if (on) { + ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON); + if (ret) + return -1; + + p = pmic_get("MAX77693_PMIC"); + if (!p) + return -ENODEV; + + if (pmic_probe(p)) + return -1; + + /* SAFEOUT */ + ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val); + if (ret) + return -1; + + val |= MAX77693_ENSAFEOUT1; + ret = pmic_reg_write(p, MAX77693_SAFEOUT, val); + if (ret) + return -1; + + /* PATH: USB */ + ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1, + MAX77693_MUIC_CTRL1_DN1DP2); + + } else { + ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM); + if (ret) + return -1; + + /* PATH: UART */ + ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1, + MAX77693_MUIC_CTRL1_UT1UR2); + } + + if (ret) + return -1; +#endif + return 0; +} + +struct dwc2_plat_otg_data s5pc210_otg_data = { + .phy_control = s5pc210_phy_control, + .regs_phy = EXYNOS4X12_USBPHY_BASE, + .regs_otg = EXYNOS4X12_USBOTG_BASE, + .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL, + .usb_flags = PHY0_SLEEP, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + debug("USB_udc_probe\n"); + return dwc2_udc_probe(&s5pc210_otg_data); +} + +int g_dnl_board_usb_cable_connected(void) +{ +#if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */ + struct pmic *muic = pmic_get("MAX77693_MUIC"); + if (!muic) + return 0; + + return !!muic->chrg->chrg_type(muic); +#else + return false; +#endif +} +#endif + +/* + * LCD + */ + +#ifdef CONFIG_LCD +int mipi_power(void) +{ +#if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */ + struct pmic *p = pmic_get("MAX77686_PMIC"); + + /* LDO8 VMIPI_1.0V_AP */ + max77686_set_ldo_mode(p, 8, OPMODE_ON); + /* LDO10 VMIPI_1.8V_AP */ + max77686_set_ldo_mode(p, 10, OPMODE_ON); +#endif + + return 0; +} + +void exynos_lcd_power_on(void) +{ +#if !CONFIG_IS_ENABLED(DM_I2C) /* TODO(maintainer): Convert to driver model */ + struct pmic *p = pmic_get("MAX77686_PMIC"); + + /* LCD_2.2V_EN: GPC0[1] */ + gpio_request(EXYNOS4X12_GPIO_C01, "lcd_2v2_en"); + gpio_set_pull(EXYNOS4X12_GPIO_C01, S5P_GPIO_PULL_UP); + gpio_direction_output(EXYNOS4X12_GPIO_C01, 1); + + /* LDO25 VCC_3.1V_LCD */ + pmic_probe(p); + max77686_set_ldo_voltage(p, 25, 3100000); + max77686_set_ldo_mode(p, 25, OPMODE_LPM); +#endif +} + +void exynos_reset_lcd(void) +{ + /* reset lcd */ + gpio_request(EXYNOS4X12_GPIO_F21, "lcd_reset"); + gpio_direction_output(EXYNOS4X12_GPIO_F21, 0); + udelay(10); + gpio_set_value(EXYNOS4X12_GPIO_F21, 1); +} + +void exynos_lcd_misc_init(vidinfo_t *vid) +{ +#ifdef CONFIG_TIZEN + get_tizen_logo_info(vid); +#endif +#ifdef CONFIG_S6E8AX0 + s6e8ax0_init(); +#endif +} +#endif /* LCD */ |