diff options
Diffstat (limited to 'qemu/roms/u-boot/board/samsung/universal_c210/universal.c')
| -rw-r--r-- | qemu/roms/u-boot/board/samsung/universal_c210/universal.c | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/qemu/roms/u-boot/board/samsung/universal_c210/universal.c b/qemu/roms/u-boot/board/samsung/universal_c210/universal.c deleted file mode 100644 index 8e49195fe..000000000 --- a/qemu/roms/u-boot/board/samsung/universal_c210/universal.c +++ /dev/null @@ -1,427 +0,0 @@ -/* - * Copyright (C) 2010 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * Kyungmin Park <kyungmin.park@samsung.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <spi.h> -#include <lcd.h> -#include <asm/io.h> -#include <asm/gpio.h> -#include <asm/arch/adc.h> -#include <asm/arch/gpio.h> -#include <asm/arch/pinmux.h> -#include <asm/arch/watchdog.h> -#include <ld9040.h> -#include <power/pmic.h> -#include <usb.h> -#include <usb/s3c_udc.h> -#include <asm/arch/cpu.h> -#include <power/max8998_pmic.h> -#include <libtizen.h> -#include <samsung/misc.h> -#include <usb_mass_storage.h> - -DECLARE_GLOBAL_DATA_PTR; - -struct exynos4_gpio_part1 *gpio1; -struct exynos4_gpio_part2 *gpio2; -unsigned int board_rev; - -u32 get_board_rev(void) -{ - return board_rev; -} - -static int get_hwrev(void) -{ - return board_rev & 0xFF; -} - -static void init_pmic_lcd(void); - -int exynos_power_init(void) -{ - int ret; - - /* - * For PMIC the I2C bus is named as I2C5, but it is connected - * to logical I2C adapter 0 - */ - ret = pmic_init(I2C_0); - if (ret) - return ret; - - init_pmic_lcd(); - - return 0; -} - -static unsigned short get_adc_value(int channel) -{ - struct s5p_adc *adc = (struct s5p_adc *)samsung_get_base_adc(); - unsigned short ret = 0; - unsigned int reg; - unsigned int loop = 0; - - writel(channel & 0xF, &adc->adcmux); - writel((1 << 14) | (49 << 6), &adc->adccon); - writel(1000 & 0xffff, &adc->adcdly); - writel(readl(&adc->adccon) | (1 << 16), &adc->adccon); /* 12 bit */ - udelay(10); - writel(readl(&adc->adccon) | (1 << 0), &adc->adccon); /* Enable */ - udelay(10); - - do { - udelay(1); - reg = readl(&adc->adccon); - } while (!(reg & (1 << 15)) && (loop++ < 1000)); - - ret = readl(&adc->adcdat0) & 0xFFF; - - return ret; -} - -static int adc_power_control(int on) -{ - int ret; - struct pmic *p = pmic_get("MAX8998_PMIC"); - if (!p) - return -ENODEV; - - if (pmic_probe(p)) - return -1; - - ret = pmic_set_output(p, - MAX8998_REG_ONOFF1, - MAX8998_LDO4, !!on); - - return ret; -} - -static unsigned int get_hw_revision(void) -{ - int hwrev, mode0, mode1; - - adc_power_control(1); - - mode0 = get_adc_value(1); /* HWREV_MODE0 */ - mode1 = get_adc_value(2); /* HWREV_MODE1 */ - - /* - * XXX Always set the default hwrev as the latest board - * ADC = (voltage) / 3.3 * 4096 - */ - hwrev = 3; - -#define IS_RANGE(x, min, max) ((x) > (min) && (x) < (max)) - if (IS_RANGE(mode0, 80, 200) && IS_RANGE(mode1, 80, 200)) - hwrev = 0x0; /* 0.01V 0.01V */ - if (IS_RANGE(mode0, 750, 1000) && IS_RANGE(mode1, 80, 200)) - hwrev = 0x1; /* 610mV 0.01V */ - if (IS_RANGE(mode0, 1300, 1700) && IS_RANGE(mode1, 80, 200)) - hwrev = 0x2; /* 1.16V 0.01V */ - if (IS_RANGE(mode0, 2000, 2400) && IS_RANGE(mode1, 80, 200)) - hwrev = 0x3; /* 1.79V 0.01V */ -#undef IS_RANGE - - debug("mode0: %d, mode1: %d, hwrev 0x%x\n", mode0, mode1, hwrev); - - adc_power_control(0); - - return hwrev; -} - -static void check_hw_revision(void) -{ - int hwrev; - - hwrev = get_hw_revision(); - - board_rev |= hwrev; -} - -#ifdef CONFIG_USB_GADGET -static int s5pc210_phy_control(int on) -{ - int ret = 0; - struct pmic *p = pmic_get("MAX8998_PMIC"); - if (!p) - return -ENODEV; - - if (pmic_probe(p)) - return -1; - - if (on) { - ret |= pmic_set_output(p, - MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, - MAX8998_SAFEOUT1, LDO_ON); - ret |= pmic_set_output(p, MAX8998_REG_ONOFF1, - MAX8998_LDO3, LDO_ON); - ret |= pmic_set_output(p, MAX8998_REG_ONOFF2, - MAX8998_LDO8, LDO_ON); - - } else { - ret |= pmic_set_output(p, MAX8998_REG_ONOFF2, - MAX8998_LDO8, LDO_OFF); - ret |= pmic_set_output(p, MAX8998_REG_ONOFF1, - MAX8998_LDO3, LDO_OFF); - ret |= pmic_set_output(p, - MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, - MAX8998_SAFEOUT1, LDO_OFF); - } - - if (ret) { - puts("MAX8998 LDO setting error!\n"); - return -1; - } - - return 0; -} - -struct s3c_plat_otg_data s5pc210_otg_data = { - .phy_control = s5pc210_phy_control, - .regs_phy = EXYNOS4_USBPHY_BASE, - .regs_otg = EXYNOS4_USBOTG_BASE, - .usb_phy_ctrl = EXYNOS4_USBPHY_CONTROL, - .usb_flags = PHY0_SLEEP, -}; -#endif - -int board_usb_init(int index, enum usb_init_type init) -{ - debug("USB_udc_probe\n"); - return s3c_udc_probe(&s5pc210_otg_data); -} - -int exynos_early_init_f(void) -{ - wdt_stop(); - - return 0; -} - -#ifdef CONFIG_SOFT_SPI -static void soft_spi_init(void) -{ - gpio_direction_output(CONFIG_SOFT_SPI_GPIO_SCLK, - CONFIG_SOFT_SPI_MODE & SPI_CPOL); - gpio_direction_output(CONFIG_SOFT_SPI_GPIO_MOSI, 1); - gpio_direction_input(CONFIG_SOFT_SPI_GPIO_MISO); - gpio_direction_output(CONFIG_SOFT_SPI_GPIO_CS, - !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); -} - -void spi_cs_activate(struct spi_slave *slave) -{ - gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, - !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); - SPI_SCL(1); - gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, - CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH); -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - gpio_set_value(CONFIG_SOFT_SPI_GPIO_CS, - !(CONFIG_SOFT_SPI_MODE & SPI_CS_HIGH)); -} - -int spi_cs_is_valid(unsigned int bus, unsigned int cs) -{ - return bus == 0 && cs == 0; -} - -void universal_spi_scl(int bit) -{ - gpio_set_value(CONFIG_SOFT_SPI_GPIO_SCLK, bit); -} - -void universal_spi_sda(int bit) -{ - gpio_set_value(CONFIG_SOFT_SPI_GPIO_MOSI, bit); -} - -int universal_spi_read(void) -{ - return gpio_get_value(CONFIG_SOFT_SPI_GPIO_MISO); -} -#endif - -static void init_pmic_lcd(void) -{ - unsigned char val; - int ret = 0; - - struct pmic *p = pmic_get("MAX8998_PMIC"); - - if (!p) - return; - - if (pmic_probe(p)) - return; - - /* LDO7 1.8V */ - val = 0x02; /* (1800 - 1600) / 100; */ - ret |= pmic_reg_write(p, MAX8998_REG_LDO7, val); - - /* LDO17 3.0V */ - val = 0xe; /* (3000 - 1600) / 100; */ - ret |= pmic_reg_write(p, MAX8998_REG_LDO17, val); - - /* Disable unneeded regulators */ - /* - * ONOFF1 - * Buck1 ON, Buck2 OFF, Buck3 ON, Buck4 ON - * LDO2 ON, LDO3 OFF, LDO4 OFF, LDO5 ON - */ - val = 0xB9; - ret |= pmic_reg_write(p, MAX8998_REG_ONOFF1, val); - - /* ONOFF2 - * LDO6 OFF, LDO7 ON, LDO8 OFF, LDO9 ON, - * LDO10 OFF, LDO11 OFF, LDO12 OFF, LDO13 OFF - */ - val = 0x50; - ret |= pmic_reg_write(p, MAX8998_REG_ONOFF2, val); - - /* ONOFF3 - * LDO14 OFF, LDO15 OFF, LGO16 OFF, LDO17 OFF - * EPWRHOLD OFF, EBATTMON OFF, ELBCNFG2 OFF, ELBCNFG1 OFF - */ - val = 0x00; - ret |= pmic_reg_write(p, MAX8998_REG_ONOFF3, val); - - if (ret) - puts("LCD pmic initialisation error!\n"); -} - -void exynos_cfg_lcd_gpio(void) -{ - unsigned int i, f3_end = 4; - - for (i = 0; i < 8; i++) { - /* set GPF0,1,2[0:7] for RGB Interface and Data lines (32bit) */ - s5p_gpio_cfg_pin(&gpio1->f0, i, GPIO_FUNC(2)); - s5p_gpio_cfg_pin(&gpio1->f1, i, GPIO_FUNC(2)); - s5p_gpio_cfg_pin(&gpio1->f2, i, GPIO_FUNC(2)); - /* pull-up/down disable */ - s5p_gpio_set_pull(&gpio1->f0, i, GPIO_PULL_NONE); - s5p_gpio_set_pull(&gpio1->f1, i, GPIO_PULL_NONE); - s5p_gpio_set_pull(&gpio1->f2, i, GPIO_PULL_NONE); - - /* drive strength to max (24bit) */ - s5p_gpio_set_drv(&gpio1->f0, i, GPIO_DRV_4X); - s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW); - s5p_gpio_set_drv(&gpio1->f1, i, GPIO_DRV_4X); - s5p_gpio_set_rate(&gpio1->f1, i, GPIO_DRV_SLOW); - s5p_gpio_set_drv(&gpio1->f2, i, GPIO_DRV_4X); - s5p_gpio_set_rate(&gpio1->f0, i, GPIO_DRV_SLOW); - } - - for (i = 0; i < f3_end; i++) { - /* set GPF3[0:3] for RGB Interface and Data lines (32bit) */ - s5p_gpio_cfg_pin(&gpio1->f3, i, GPIO_FUNC(2)); - /* pull-up/down disable */ - s5p_gpio_set_pull(&gpio1->f3, i, GPIO_PULL_NONE); - /* drive strength to max (24bit) */ - s5p_gpio_set_drv(&gpio1->f3, i, GPIO_DRV_4X); - s5p_gpio_set_rate(&gpio1->f3, i, GPIO_DRV_SLOW); - } - - /* gpio pad configuration for LCD reset. */ - s5p_gpio_cfg_pin(&gpio2->y4, 5, GPIO_OUTPUT); - - spi_init(); -} - -int mipi_power(void) -{ - return 0; -} - -void exynos_reset_lcd(void) -{ - s5p_gpio_set_value(&gpio2->y4, 5, 1); - udelay(10000); - s5p_gpio_set_value(&gpio2->y4, 5, 0); - udelay(10000); - s5p_gpio_set_value(&gpio2->y4, 5, 1); - udelay(100); -} - -void exynos_lcd_power_on(void) -{ - struct pmic *p = pmic_get("MAX8998_PMIC"); - - if (!p) - return; - - if (pmic_probe(p)) - return; - - pmic_set_output(p, MAX8998_REG_ONOFF3, MAX8998_LDO17, LDO_ON); - pmic_set_output(p, MAX8998_REG_ONOFF2, MAX8998_LDO7, LDO_ON); -} - -void exynos_cfg_ldo(void) -{ - ld9040_cfg_ldo(); -} - -void exynos_enable_ldo(unsigned int onoff) -{ - ld9040_enable_ldo(onoff); -} - -int exynos_init(void) -{ - gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; - gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; - - gd->bd->bi_arch_number = MACH_TYPE_UNIVERSAL_C210; - - switch (get_hwrev()) { - case 0: - /* - * Set the low to enable LDO_EN - * But when you use the test board for eMMC booting - * you should set it HIGH since it removes the inverter - */ - /* MASSMEMORY_EN: XMDMDATA_6: GPE3[6] */ - s5p_gpio_direction_output(&gpio1->e3, 6, 0); - break; - default: - /* - * Default reset state is High and there's no inverter - * But set it as HIGH to ensure - */ - /* MASSMEMORY_EN: XMDMADDR_3: GPE1[3] */ - s5p_gpio_direction_output(&gpio1->e1, 3, 1); - break; - } - -#ifdef CONFIG_SOFT_SPI - soft_spi_init(); -#endif - check_hw_revision(); - printf("HW Revision:\t0x%x\n", board_rev); - - return 0; -} - -void exynos_lcd_misc_init(vidinfo_t *vid) -{ -#ifdef CONFIG_TIZEN - get_tizen_logo_info(vid); -#endif - - /* for LD9040. */ - vid->pclk_name = 1; /* MPLL */ - vid->sclk_div = 1; - - setenv("lcdinfo", "lcd=ld9040"); -} |