diff options
Diffstat (limited to 'board/samsung/smdk5250/exynos5-dt.c')
-rw-r--r-- | board/samsung/smdk5250/exynos5-dt.c | 350 |
1 files changed, 2 insertions, 348 deletions
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c index 6aa0509823c..5fb86649360 100644 --- a/board/samsung/smdk5250/exynos5-dt.c +++ b/board/samsung/smdk5250/exynos5-dt.c @@ -25,44 +25,8 @@ 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_SOUND_MAX98095 -static void board_enable_audio_codec(void) +static void board_enable_audio_codec(void) { struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); @@ -73,261 +37,14 @@ static void board_enable_audio_codec(void) } #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) +int exynos_init(void) { - 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_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(); - - 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) { @@ -343,50 +60,6 @@ int checkboard(void) } #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) { @@ -410,22 +83,3 @@ 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 |