X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fsamsung%2Funiversal_c210%2Funiversal.c;h=1e67dea2ae248037b67b1d61be6e7a80e5f1a445;hb=a098cf41fdb2a6607c675f7fe4f3164617c9367e;hp=36a047217c57cbdac1b07196fbb137bf0eb7f2d1;hpb=178d0cc1a4c73c3341afbeb2a93b172de8c96bd1;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index 36a0472..1e67dea 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -23,10 +23,21 @@ */ #include +#include +#include #include +#include #include #include #include +#include +#include +#include +#include +#include +#include +#include +#include #include #include #include @@ -186,7 +197,7 @@ int checkboard(void) #ifdef CONFIG_GENERIC_MMC int board_mmc_init(bd_t *bis) { - int i, err; + int err; switch (get_hwrev()) { case 0: @@ -209,75 +220,30 @@ int board_mmc_init(bd_t *bis) } /* - * eMMC GPIO: - * SDR 8-bit@48MHz at MMC0 - * GPK0[0] SD_0_CLK(2) - * GPK0[1] SD_0_CMD(2) - * GPK0[2] SD_0_CDn -> Not used - * GPK0[3:6] SD_0_DATA[0:3](2) - * GPK1[3:6] SD_0_DATA[0:3](3) - * - * DDR 4-bit@26MHz at MMC4 - * GPK0[0] SD_4_CLK(3) - * GPK0[1] SD_4_CMD(3) - * GPK0[2] SD_4_CDn -> Not used - * GPK0[3:6] SD_4_DATA[0:3](3) - * GPK1[3:6] SD_4_DATA[4:7](4) + * MMC device init + * mmc0 : eMMC (8-bit buswidth) + * mmc2 : SD card (4-bit buswidth) */ - for (i = 0; i < 7; i++) { - if (i == 2) - continue; - /* GPK0[0:6] special function 2 */ - s5p_gpio_cfg_pin(&gpio2->k0, i, 0x2); - /* GPK0[0:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k0, i, GPIO_PULL_NONE); - /* GPK0[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->k0, i, GPIO_DRV_4X); - } - - for (i = 3; i < 7; i++) { - /* GPK1[3:6] special function 3 */ - s5p_gpio_cfg_pin(&gpio2->k1, i, 0x3); - /* GPK1[3:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k1, i, GPIO_PULL_NONE); - /* GPK1[3:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->k1, i, GPIO_DRV_4X); - } + err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); + if (err) + debug("SDMMC0 not configured\n"); + else + err = s5p_mmc_init(0, 8); /* T-flash detect */ s5p_gpio_cfg_pin(&gpio2->x3, 4, 0xf); s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP); /* - * MMC device init - * mmc0 : eMMC (8-bit buswidth) - * mmc2 : SD card (4-bit buswidth) - */ - err = s5p_mmc_init(0, 8); - - /* * Check the T-flash detect pin * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio2->x3, 4)) { - /* - * SD card GPIO: - * GPK2[0] SD_2_CLK(2) - * GPK2[1] SD_2_CMD(2) - * GPK2[2] SD_2_CDn -> Not used - * GPK2[3:6] SD_2_DATA[0:3](2) - */ - for (i = 0; i < 7; i++) { - if (i == 2) - continue; - /* GPK2[0:6] special function 2 */ - s5p_gpio_cfg_pin(&gpio2->k2, i, 0x2); - /* GPK2[0:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); - /* GPK2[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); - } - err = s5p_mmc_init(2, 4); + err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); + if (err) + debug("SDMMC2 not configured\n"); + else + err = s5p_mmc_init(2, 4); } return err; @@ -331,3 +297,240 @@ struct s3c_plat_otg_data s5pc210_otg_data = { .usb_flags = PHY0_SLEEP, }; #endif + +int board_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 = get_pmic(); + + 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"); +} + +static void lcd_cfg_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(); +} + +static void 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); +} + +static void lcd_power_on(void) +{ + struct pmic *p = get_pmic(); + + 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); +} + +vidinfo_t panel_info = { + .vl_freq = 60, + .vl_col = 480, + .vl_row = 800, + .vl_width = 480, + .vl_height = 800, + .vl_clkp = CONFIG_SYS_HIGH, + .vl_hsp = CONFIG_SYS_HIGH, + .vl_vsp = CONFIG_SYS_HIGH, + .vl_dp = CONFIG_SYS_HIGH, + + .vl_bpix = 5, /* Bits per pixel */ + + /* LD9040 LCD Panel */ + .vl_hspw = 2, + .vl_hbpd = 16, + .vl_hfpd = 16, + + .vl_vspw = 2, + .vl_vbpd = 8, + .vl_vfpd = 8, + .vl_cmd_allow_len = 0xf, + + .win_id = 0, + .cfg_gpio = lcd_cfg_gpio, + .backlight_on = NULL, + .lcd_power_on = lcd_power_on, + .reset_lcd = reset_lcd, + .dual_lcd_enabled = 0, + + .init_delay = 0, + .power_on_delay = 10000, + .reset_delay = 10000, + .interface_mode = FIMD_RGB_INTERFACE, + .mipi_enabled = 0, +}; + +void init_panel_info(vidinfo_t *vid) +{ + vid->logo_on = 1; + vid->resolution = HD_RESOLUTION; + vid->rgb_mode = MODE_RGB_P; + +#ifdef CONFIG_TIZEN + get_tizen_logo_info(vid); +#endif + + /* for LD9040. */ + vid->pclk_name = 1; /* MPLL */ + vid->sclk_div = 1; + + vid->cfg_ldo = ld9040_cfg_ldo; + vid->enable_ldo = ld9040_enable_ldo; + + setenv("lcdinfo", "lcd=ld9040"); +} + +int board_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; + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + +#if defined(CONFIG_PMIC) + pmic_init(); + init_pmic_lcd(); +#endif +#ifdef CONFIG_SOFT_SPI + soft_spi_init(); +#endif + check_hw_revision(); + printf("HW Revision:\t0x%x\n", board_rev); + + return 0; +}