171ebb335SRajeshwari Birje /* 271ebb335SRajeshwari Birje * (C) Copyright 2013 SAMSUNG Electronics 371ebb335SRajeshwari Birje * Rajeshwari Shinde <rajeshwari.s@samsung.com> 471ebb335SRajeshwari Birje * 571ebb335SRajeshwari Birje * SPDX-License-Identifier: GPL-2.0+ 671ebb335SRajeshwari Birje */ 771ebb335SRajeshwari Birje 871ebb335SRajeshwari Birje #include <common.h> 971ebb335SRajeshwari Birje #include <cros_ec.h> 1071ebb335SRajeshwari Birje #include <errno.h> 1171ebb335SRajeshwari Birje #include <fdtdec.h> 1271ebb335SRajeshwari Birje #include <spi.h> 1371ebb335SRajeshwari Birje #include <tmu.h> 1471ebb335SRajeshwari Birje #include <netdev.h> 1571ebb335SRajeshwari Birje #include <asm/io.h> 1671ebb335SRajeshwari Birje #include <asm/arch/board.h> 1771ebb335SRajeshwari Birje #include <asm/arch/cpu.h> 1871ebb335SRajeshwari Birje #include <asm/arch/dwmmc.h> 1971ebb335SRajeshwari Birje #include <asm/arch/gpio.h> 2071ebb335SRajeshwari Birje #include <asm/arch/mmc.h> 2171ebb335SRajeshwari Birje #include <asm/arch/pinmux.h> 2271ebb335SRajeshwari Birje #include <asm/arch/power.h> 2371ebb335SRajeshwari Birje #include <power/pmic.h> 2471ebb335SRajeshwari Birje #include <asm/arch/sromc.h> 25*431a1c56SPiotr Wilczek #include <lcd.h> 26*431a1c56SPiotr Wilczek #include <samsung/misc.h> 2771ebb335SRajeshwari Birje 2871ebb335SRajeshwari Birje DECLARE_GLOBAL_DATA_PTR; 2971ebb335SRajeshwari Birje 3071ebb335SRajeshwari Birje struct local_info { 3171ebb335SRajeshwari Birje struct cros_ec_dev *cros_ec_dev; /* Pointer to cros_ec device */ 3271ebb335SRajeshwari Birje int cros_ec_err; /* Error for cros_ec, 0 if ok */ 3371ebb335SRajeshwari Birje }; 3471ebb335SRajeshwari Birje 3571ebb335SRajeshwari Birje static struct local_info local; 3671ebb335SRajeshwari Birje 378e5e1e6aSPiotr Wilczek int __exynos_early_init_f(void) 388e5e1e6aSPiotr Wilczek { 398e5e1e6aSPiotr Wilczek return 0; 408e5e1e6aSPiotr Wilczek } 418e5e1e6aSPiotr Wilczek int exynos_early_init_f(void) 428e5e1e6aSPiotr Wilczek __attribute__((weak, alias("__exynos_early_init_f"))); 438e5e1e6aSPiotr Wilczek 448e5e1e6aSPiotr Wilczek int __exynos_power_init(void) 458e5e1e6aSPiotr Wilczek { 468e5e1e6aSPiotr Wilczek return 0; 478e5e1e6aSPiotr Wilczek } 488e5e1e6aSPiotr Wilczek int exynos_power_init(void) 498e5e1e6aSPiotr Wilczek __attribute__((weak, alias("__exynos_power_init"))); 508e5e1e6aSPiotr Wilczek 5171ebb335SRajeshwari Birje #if defined CONFIG_EXYNOS_TMU 5271ebb335SRajeshwari Birje /* Boot Time Thermal Analysis for SoC temperature threshold breach */ 5371ebb335SRajeshwari Birje static void boot_temp_check(void) 5471ebb335SRajeshwari Birje { 5571ebb335SRajeshwari Birje int temp; 5671ebb335SRajeshwari Birje 5771ebb335SRajeshwari Birje switch (tmu_monitor(&temp)) { 5871ebb335SRajeshwari Birje case TMU_STATUS_NORMAL: 5971ebb335SRajeshwari Birje break; 6071ebb335SRajeshwari Birje case TMU_STATUS_TRIPPED: 6171ebb335SRajeshwari Birje /* 6271ebb335SRajeshwari Birje * Status TRIPPED ans WARNING means corresponding threshold 6371ebb335SRajeshwari Birje * breach 6471ebb335SRajeshwari Birje */ 6571ebb335SRajeshwari Birje puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n"); 6671ebb335SRajeshwari Birje set_ps_hold_ctrl(); 6771ebb335SRajeshwari Birje hang(); 6871ebb335SRajeshwari Birje break; 6971ebb335SRajeshwari Birje case TMU_STATUS_WARNING: 7071ebb335SRajeshwari Birje puts("EXYNOS_TMU: WARNING! Temperature very high\n"); 7171ebb335SRajeshwari Birje break; 7271ebb335SRajeshwari Birje case TMU_STATUS_INIT: 7371ebb335SRajeshwari Birje /* 7471ebb335SRajeshwari Birje * TMU_STATUS_INIT means something is wrong with temperature 7571ebb335SRajeshwari Birje * sensing and TMU status was changed back from NORMAL to INIT. 7671ebb335SRajeshwari Birje */ 7771ebb335SRajeshwari Birje puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n"); 7871ebb335SRajeshwari Birje break; 7971ebb335SRajeshwari Birje default: 8071ebb335SRajeshwari Birje debug("EXYNOS_TMU: Unknown TMU state\n"); 8171ebb335SRajeshwari Birje } 8271ebb335SRajeshwari Birje } 8371ebb335SRajeshwari Birje #endif 8471ebb335SRajeshwari Birje 8571ebb335SRajeshwari Birje int board_init(void) 8671ebb335SRajeshwari Birje { 8771ebb335SRajeshwari Birje gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 8871ebb335SRajeshwari Birje #if defined CONFIG_EXYNOS_TMU 8971ebb335SRajeshwari Birje if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) { 9071ebb335SRajeshwari Birje debug("%s: Failed to init TMU\n", __func__); 9171ebb335SRajeshwari Birje return -1; 9271ebb335SRajeshwari Birje } 9371ebb335SRajeshwari Birje boot_temp_check(); 9471ebb335SRajeshwari Birje #endif 9571ebb335SRajeshwari Birje 9671ebb335SRajeshwari Birje #ifdef CONFIG_EXYNOS_SPI 9771ebb335SRajeshwari Birje spi_init(); 9871ebb335SRajeshwari Birje #endif 9971ebb335SRajeshwari Birje return exynos_init(); 10071ebb335SRajeshwari Birje } 10171ebb335SRajeshwari Birje 10271ebb335SRajeshwari Birje int dram_init(void) 10371ebb335SRajeshwari Birje { 10471ebb335SRajeshwari Birje int i; 10571ebb335SRajeshwari Birje u32 addr; 10671ebb335SRajeshwari Birje 10771ebb335SRajeshwari Birje for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 10871ebb335SRajeshwari Birje addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 10971ebb335SRajeshwari Birje gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE); 11071ebb335SRajeshwari Birje } 11171ebb335SRajeshwari Birje return 0; 11271ebb335SRajeshwari Birje } 11371ebb335SRajeshwari Birje 11471ebb335SRajeshwari Birje void dram_init_banksize(void) 11571ebb335SRajeshwari Birje { 11671ebb335SRajeshwari Birje int i; 11771ebb335SRajeshwari Birje u32 addr, size; 11871ebb335SRajeshwari Birje 11971ebb335SRajeshwari Birje for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 12071ebb335SRajeshwari Birje addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 12171ebb335SRajeshwari Birje size = get_ram_size((long *)addr, SDRAM_BANK_SIZE); 12271ebb335SRajeshwari Birje 12371ebb335SRajeshwari Birje gd->bd->bi_dram[i].start = addr; 12471ebb335SRajeshwari Birje gd->bd->bi_dram[i].size = size; 12571ebb335SRajeshwari Birje } 12671ebb335SRajeshwari Birje } 12771ebb335SRajeshwari Birje 12871ebb335SRajeshwari Birje static int board_uart_init(void) 12971ebb335SRajeshwari Birje { 13071ebb335SRajeshwari Birje int err, uart_id, ret = 0; 13171ebb335SRajeshwari Birje 13271ebb335SRajeshwari Birje for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) { 13371ebb335SRajeshwari Birje err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE); 13471ebb335SRajeshwari Birje if (err) { 13571ebb335SRajeshwari Birje debug("UART%d not configured\n", 13671ebb335SRajeshwari Birje (uart_id - PERIPH_ID_UART0)); 13771ebb335SRajeshwari Birje ret |= err; 13871ebb335SRajeshwari Birje } 13971ebb335SRajeshwari Birje } 14071ebb335SRajeshwari Birje return ret; 14171ebb335SRajeshwari Birje } 14271ebb335SRajeshwari Birje 14371ebb335SRajeshwari Birje #ifdef CONFIG_BOARD_EARLY_INIT_F 14471ebb335SRajeshwari Birje int board_early_init_f(void) 14571ebb335SRajeshwari Birje { 14671ebb335SRajeshwari Birje int err; 14771ebb335SRajeshwari Birje 14871ebb335SRajeshwari Birje err = board_uart_init(); 14971ebb335SRajeshwari Birje if (err) { 15071ebb335SRajeshwari Birje debug("UART init failed\n"); 15171ebb335SRajeshwari Birje return err; 15271ebb335SRajeshwari Birje } 15371ebb335SRajeshwari Birje 15471ebb335SRajeshwari Birje #ifdef CONFIG_SYS_I2C_INIT_BOARD 15571ebb335SRajeshwari Birje board_i2c_init(gd->fdt_blob); 15671ebb335SRajeshwari Birje #endif 15771ebb335SRajeshwari Birje 1588e5e1e6aSPiotr Wilczek return exynos_early_init_f(); 15971ebb335SRajeshwari Birje } 16071ebb335SRajeshwari Birje #endif 16171ebb335SRajeshwari Birje 16271ebb335SRajeshwari Birje struct cros_ec_dev *board_get_cros_ec_dev(void) 16371ebb335SRajeshwari Birje { 16471ebb335SRajeshwari Birje return local.cros_ec_dev; 16571ebb335SRajeshwari Birje } 16671ebb335SRajeshwari Birje 167e106bd9bSRajeshwari Birje #ifdef CONFIG_CROS_EC 16871ebb335SRajeshwari Birje static int board_init_cros_ec_devices(const void *blob) 16971ebb335SRajeshwari Birje { 17071ebb335SRajeshwari Birje local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev); 17171ebb335SRajeshwari Birje if (local.cros_ec_err) 17271ebb335SRajeshwari Birje return -1; /* Will report in board_late_init() */ 17371ebb335SRajeshwari Birje 17471ebb335SRajeshwari Birje return 0; 17571ebb335SRajeshwari Birje } 176e106bd9bSRajeshwari Birje #endif 17771ebb335SRajeshwari Birje 17871ebb335SRajeshwari Birje #if defined(CONFIG_POWER) 17971ebb335SRajeshwari Birje int power_init_board(void) 18071ebb335SRajeshwari Birje { 18171ebb335SRajeshwari Birje set_ps_hold_ctrl(); 18271ebb335SRajeshwari Birje 1838e5e1e6aSPiotr Wilczek return exynos_power_init(); 18471ebb335SRajeshwari Birje } 18571ebb335SRajeshwari Birje #endif 18671ebb335SRajeshwari Birje 18771ebb335SRajeshwari Birje #ifdef CONFIG_OF_CONTROL 188*431a1c56SPiotr Wilczek #ifdef CONFIG_SMC911X 18971ebb335SRajeshwari Birje static int decode_sromc(const void *blob, struct fdt_sromc *config) 19071ebb335SRajeshwari Birje { 19171ebb335SRajeshwari Birje int err; 19271ebb335SRajeshwari Birje int node; 19371ebb335SRajeshwari Birje 19471ebb335SRajeshwari Birje node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC); 19571ebb335SRajeshwari Birje if (node < 0) { 19671ebb335SRajeshwari Birje debug("Could not find SROMC node\n"); 19771ebb335SRajeshwari Birje return node; 19871ebb335SRajeshwari Birje } 19971ebb335SRajeshwari Birje 20071ebb335SRajeshwari Birje config->bank = fdtdec_get_int(blob, node, "bank", 0); 20171ebb335SRajeshwari Birje config->width = fdtdec_get_int(blob, node, "width", 2); 20271ebb335SRajeshwari Birje 20371ebb335SRajeshwari Birje err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing, 20471ebb335SRajeshwari Birje FDT_SROM_TIMING_COUNT); 20571ebb335SRajeshwari Birje if (err < 0) { 20671ebb335SRajeshwari Birje debug("Could not decode SROMC configuration Error: %s\n", 20771ebb335SRajeshwari Birje fdt_strerror(err)); 20871ebb335SRajeshwari Birje return -FDT_ERR_NOTFOUND; 20971ebb335SRajeshwari Birje } 21071ebb335SRajeshwari Birje return 0; 21171ebb335SRajeshwari Birje } 212*431a1c56SPiotr Wilczek #endif 21371ebb335SRajeshwari Birje 21471ebb335SRajeshwari Birje int board_eth_init(bd_t *bis) 21571ebb335SRajeshwari Birje { 21671ebb335SRajeshwari Birje #ifdef CONFIG_SMC911X 21771ebb335SRajeshwari Birje u32 smc_bw_conf, smc_bc_conf; 21871ebb335SRajeshwari Birje struct fdt_sromc config; 21971ebb335SRajeshwari Birje fdt_addr_t base_addr; 22071ebb335SRajeshwari Birje int node; 22171ebb335SRajeshwari Birje 22271ebb335SRajeshwari Birje node = decode_sromc(gd->fdt_blob, &config); 22371ebb335SRajeshwari Birje if (node < 0) { 22471ebb335SRajeshwari Birje debug("%s: Could not find sromc configuration\n", __func__); 22571ebb335SRajeshwari Birje return 0; 22671ebb335SRajeshwari Birje } 22771ebb335SRajeshwari Birje node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215); 22871ebb335SRajeshwari Birje if (node < 0) { 22971ebb335SRajeshwari Birje debug("%s: Could not find lan9215 configuration\n", __func__); 23071ebb335SRajeshwari Birje return 0; 23171ebb335SRajeshwari Birje } 23271ebb335SRajeshwari Birje 23371ebb335SRajeshwari Birje /* We now have a node, so any problems from now on are errors */ 23471ebb335SRajeshwari Birje base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg"); 23571ebb335SRajeshwari Birje if (base_addr == FDT_ADDR_T_NONE) { 23671ebb335SRajeshwari Birje debug("%s: Could not find lan9215 address\n", __func__); 23771ebb335SRajeshwari Birje return -1; 23871ebb335SRajeshwari Birje } 23971ebb335SRajeshwari Birje 24071ebb335SRajeshwari Birje /* Ethernet needs data bus width of 16 bits */ 24171ebb335SRajeshwari Birje if (config.width != 2) { 24271ebb335SRajeshwari Birje debug("%s: Unsupported bus width %d\n", __func__, 24371ebb335SRajeshwari Birje config.width); 24471ebb335SRajeshwari Birje return -1; 24571ebb335SRajeshwari Birje } 24671ebb335SRajeshwari Birje smc_bw_conf = SROMC_DATA16_WIDTH(config.bank) 24771ebb335SRajeshwari Birje | SROMC_BYTE_ENABLE(config.bank); 24871ebb335SRajeshwari Birje 24971ebb335SRajeshwari Birje smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) | 25071ebb335SRajeshwari Birje SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) | 25171ebb335SRajeshwari Birje SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) | 25271ebb335SRajeshwari Birje SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) | 25371ebb335SRajeshwari Birje SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) | 25471ebb335SRajeshwari Birje SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) | 25571ebb335SRajeshwari Birje SROMC_BC_PMC(config.timing[FDT_SROM_PMC]); 25671ebb335SRajeshwari Birje 25771ebb335SRajeshwari Birje /* Select and configure the SROMC bank */ 25871ebb335SRajeshwari Birje exynos_pinmux_config(PERIPH_ID_SROMC, config.bank); 25971ebb335SRajeshwari Birje s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf); 26071ebb335SRajeshwari Birje return smc911x_initialize(0, base_addr); 26171ebb335SRajeshwari Birje #endif 26271ebb335SRajeshwari Birje return 0; 26371ebb335SRajeshwari Birje } 26471ebb335SRajeshwari Birje 26571ebb335SRajeshwari Birje #ifdef CONFIG_GENERIC_MMC 26671ebb335SRajeshwari Birje int board_mmc_init(bd_t *bis) 26771ebb335SRajeshwari Birje { 26871ebb335SRajeshwari Birje int ret; 26971ebb335SRajeshwari Birje 270*431a1c56SPiotr Wilczek #ifdef CONFIG_SDHCI 271*431a1c56SPiotr Wilczek /* mmc initializattion for available channels */ 272*431a1c56SPiotr Wilczek ret = exynos_mmc_init(gd->fdt_blob); 273*431a1c56SPiotr Wilczek if (ret) 274*431a1c56SPiotr Wilczek debug("mmc init failed\n"); 275*431a1c56SPiotr Wilczek #endif 276*431a1c56SPiotr Wilczek #ifdef CONFIG_DWMMC 27771ebb335SRajeshwari Birje /* dwmmc initializattion for available channels */ 27871ebb335SRajeshwari Birje ret = exynos_dwmmc_init(gd->fdt_blob); 27971ebb335SRajeshwari Birje if (ret) 28071ebb335SRajeshwari Birje debug("dwmmc init failed\n"); 281*431a1c56SPiotr Wilczek #endif 28271ebb335SRajeshwari Birje 28371ebb335SRajeshwari Birje return ret; 28471ebb335SRajeshwari Birje } 28571ebb335SRajeshwari Birje #endif 2864c1dd998SPiotr Wilczek 2874c1dd998SPiotr Wilczek #ifdef CONFIG_DISPLAY_BOARDINFO 2884c1dd998SPiotr Wilczek int checkboard(void) 2894c1dd998SPiotr Wilczek { 2904c1dd998SPiotr Wilczek const char *board_name; 2914c1dd998SPiotr Wilczek 2924c1dd998SPiotr Wilczek board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL); 2934c1dd998SPiotr Wilczek printf("Board: %s\n", board_name ? board_name : "unknown"); 2944c1dd998SPiotr Wilczek 2954c1dd998SPiotr Wilczek return 0; 2964c1dd998SPiotr Wilczek } 29771ebb335SRajeshwari Birje #endif 2984c1dd998SPiotr Wilczek #endif /* CONFIG_OF_CONTROL */ 29971ebb335SRajeshwari Birje 30071ebb335SRajeshwari Birje #ifdef CONFIG_BOARD_LATE_INIT 30171ebb335SRajeshwari Birje int board_late_init(void) 30271ebb335SRajeshwari Birje { 30371ebb335SRajeshwari Birje stdio_print_current_devices(); 30471ebb335SRajeshwari Birje 30571ebb335SRajeshwari Birje if (local.cros_ec_err) { 30671ebb335SRajeshwari Birje /* Force console on */ 30771ebb335SRajeshwari Birje gd->flags &= ~GD_FLG_SILENT; 30871ebb335SRajeshwari Birje 30971ebb335SRajeshwari Birje printf("cros-ec communications failure %d\n", 31071ebb335SRajeshwari Birje local.cros_ec_err); 31171ebb335SRajeshwari Birje puts("\nPlease reset with Power+Refresh\n\n"); 31271ebb335SRajeshwari Birje panic("Cannot init cros-ec device"); 31371ebb335SRajeshwari Birje return -1; 31471ebb335SRajeshwari Birje } 31571ebb335SRajeshwari Birje return 0; 31671ebb335SRajeshwari Birje } 31771ebb335SRajeshwari Birje #endif 31871ebb335SRajeshwari Birje 31971ebb335SRajeshwari Birje int arch_early_init_r(void) 32071ebb335SRajeshwari Birje { 32171ebb335SRajeshwari Birje #ifdef CONFIG_CROS_EC 32271ebb335SRajeshwari Birje if (board_init_cros_ec_devices(gd->fdt_blob)) { 32371ebb335SRajeshwari Birje printf("%s: Failed to init EC\n", __func__); 32471ebb335SRajeshwari Birje return 0; 32571ebb335SRajeshwari Birje } 32671ebb335SRajeshwari Birje #endif 32771ebb335SRajeshwari Birje 32871ebb335SRajeshwari Birje return 0; 32971ebb335SRajeshwari Birje } 330*431a1c56SPiotr Wilczek 331*431a1c56SPiotr Wilczek #ifdef CONFIG_MISC_INIT_R 332*431a1c56SPiotr Wilczek int misc_init_r(void) 333*431a1c56SPiotr Wilczek { 334*431a1c56SPiotr Wilczek #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 335*431a1c56SPiotr Wilczek set_board_info(); 336*431a1c56SPiotr Wilczek #endif 337*431a1c56SPiotr Wilczek #ifdef CONFIG_LCD_MENU 338*431a1c56SPiotr Wilczek keys_init(); 339*431a1c56SPiotr Wilczek check_boot_mode(); 340*431a1c56SPiotr Wilczek #endif 341*431a1c56SPiotr Wilczek #ifdef CONFIG_CMD_BMP 342*431a1c56SPiotr Wilczek if (panel_info.logo_on) 343*431a1c56SPiotr Wilczek draw_logo(); 344*431a1c56SPiotr Wilczek #endif 345*431a1c56SPiotr Wilczek return 0; 346*431a1c56SPiotr Wilczek } 347*431a1c56SPiotr Wilczek #endif 348