183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 271ebb335SRajeshwari Birje /* 371ebb335SRajeshwari Birje * (C) Copyright 2013 SAMSUNG Electronics 471ebb335SRajeshwari Birje * Rajeshwari Shinde <rajeshwari.s@samsung.com> 571ebb335SRajeshwari Birje */ 671ebb335SRajeshwari Birje 771ebb335SRajeshwari Birje #include <common.h> 871ebb335SRajeshwari Birje #include <cros_ec.h> 971ebb335SRajeshwari Birje #include <errno.h> 1071ebb335SRajeshwari Birje #include <fdtdec.h> 1171ebb335SRajeshwari Birje #include <spi.h> 1271ebb335SRajeshwari Birje #include <tmu.h> 1371ebb335SRajeshwari Birje #include <netdev.h> 1471ebb335SRajeshwari Birje #include <asm/io.h> 15903fd795SSimon Glass #include <asm/gpio.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/mmc.h> 2071ebb335SRajeshwari Birje #include <asm/arch/pinmux.h> 2171ebb335SRajeshwari Birje #include <asm/arch/power.h> 22f0017175SAjay Kumar #include <asm/arch/system.h> 2371ebb335SRajeshwari Birje #include <asm/arch/sromc.h> 24431a1c56SPiotr Wilczek #include <lcd.h> 25622e5feeSPrzemyslaw Marczak #include <i2c.h> 2628f393cdSLukasz Majewski #include <usb.h> 27302a7d00SJoonyoung Shim #include <dwc3-uboot.h> 28302a7d00SJoonyoung Shim #include <samsung/misc.h> 296c15a2a9SThomas Abraham #include <dm/pinctrl.h> 306c15a2a9SThomas Abraham #include <dm.h> 3171ebb335SRajeshwari Birje 3271ebb335SRajeshwari Birje DECLARE_GLOBAL_DATA_PTR; 3371ebb335SRajeshwari Birje 34e7e60c13SJeroen Hofstee __weak int exynos_early_init_f(void) 358e5e1e6aSPiotr Wilczek { 368e5e1e6aSPiotr Wilczek return 0; 378e5e1e6aSPiotr Wilczek } 388e5e1e6aSPiotr Wilczek 39e7e60c13SJeroen Hofstee __weak int exynos_power_init(void) 408e5e1e6aSPiotr Wilczek { 418e5e1e6aSPiotr Wilczek return 0; 428e5e1e6aSPiotr Wilczek } 438e5e1e6aSPiotr Wilczek 4471ebb335SRajeshwari Birje #if defined CONFIG_EXYNOS_TMU 4571ebb335SRajeshwari Birje /* Boot Time Thermal Analysis for SoC temperature threshold breach */ 4671ebb335SRajeshwari Birje static void boot_temp_check(void) 4771ebb335SRajeshwari Birje { 4871ebb335SRajeshwari Birje int temp; 4971ebb335SRajeshwari Birje 5071ebb335SRajeshwari Birje switch (tmu_monitor(&temp)) { 5171ebb335SRajeshwari Birje case TMU_STATUS_NORMAL: 5271ebb335SRajeshwari Birje break; 5371ebb335SRajeshwari Birje case TMU_STATUS_TRIPPED: 5471ebb335SRajeshwari Birje /* 5571ebb335SRajeshwari Birje * Status TRIPPED ans WARNING means corresponding threshold 5671ebb335SRajeshwari Birje * breach 5771ebb335SRajeshwari Birje */ 5871ebb335SRajeshwari Birje puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n"); 5971ebb335SRajeshwari Birje set_ps_hold_ctrl(); 6071ebb335SRajeshwari Birje hang(); 6171ebb335SRajeshwari Birje break; 6271ebb335SRajeshwari Birje case TMU_STATUS_WARNING: 6371ebb335SRajeshwari Birje puts("EXYNOS_TMU: WARNING! Temperature very high\n"); 6471ebb335SRajeshwari Birje break; 6571ebb335SRajeshwari Birje case TMU_STATUS_INIT: 6671ebb335SRajeshwari Birje /* 6771ebb335SRajeshwari Birje * TMU_STATUS_INIT means something is wrong with temperature 6871ebb335SRajeshwari Birje * sensing and TMU status was changed back from NORMAL to INIT. 6971ebb335SRajeshwari Birje */ 7071ebb335SRajeshwari Birje puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n"); 7171ebb335SRajeshwari Birje break; 7271ebb335SRajeshwari Birje default: 7371ebb335SRajeshwari Birje debug("EXYNOS_TMU: Unknown TMU state\n"); 7471ebb335SRajeshwari Birje } 7571ebb335SRajeshwari Birje } 7671ebb335SRajeshwari Birje #endif 7771ebb335SRajeshwari Birje 7871ebb335SRajeshwari Birje int board_init(void) 7971ebb335SRajeshwari Birje { 8071ebb335SRajeshwari Birje gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 8171ebb335SRajeshwari Birje #if defined CONFIG_EXYNOS_TMU 8271ebb335SRajeshwari Birje if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) { 8371ebb335SRajeshwari Birje debug("%s: Failed to init TMU\n", __func__); 8471ebb335SRajeshwari Birje return -1; 8571ebb335SRajeshwari Birje } 8671ebb335SRajeshwari Birje boot_temp_check(); 8771ebb335SRajeshwari Birje #endif 88a0643e22SPrzemyslaw Marczak #ifdef CONFIG_TZSW_RESERVED_DRAM_SIZE 89a0643e22SPrzemyslaw Marczak /* The last few MB of memory can be reserved for secure firmware */ 90a0643e22SPrzemyslaw Marczak ulong size = CONFIG_TZSW_RESERVED_DRAM_SIZE; 9171ebb335SRajeshwari Birje 92a0643e22SPrzemyslaw Marczak gd->ram_size -= size; 93a0643e22SPrzemyslaw Marczak gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS - 1].size -= size; 94a0643e22SPrzemyslaw Marczak #endif 9571ebb335SRajeshwari Birje return exynos_init(); 9671ebb335SRajeshwari Birje } 9771ebb335SRajeshwari Birje 9871ebb335SRajeshwari Birje int dram_init(void) 9971ebb335SRajeshwari Birje { 100c8b71a35SŁukasz Majewski unsigned int i; 1016c15a2a9SThomas Abraham unsigned long addr; 10271ebb335SRajeshwari Birje 10371ebb335SRajeshwari Birje for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 10471ebb335SRajeshwari Birje addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 10571ebb335SRajeshwari Birje gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE); 10671ebb335SRajeshwari Birje } 10771ebb335SRajeshwari Birje return 0; 10871ebb335SRajeshwari Birje } 10971ebb335SRajeshwari Birje 11076b00acaSSimon Glass int dram_init_banksize(void) 11171ebb335SRajeshwari Birje { 112c8b71a35SŁukasz Majewski unsigned int i; 1136c15a2a9SThomas Abraham unsigned long addr, size; 11471ebb335SRajeshwari Birje 11571ebb335SRajeshwari Birje for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 11671ebb335SRajeshwari Birje addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 11771ebb335SRajeshwari Birje size = get_ram_size((long *)addr, SDRAM_BANK_SIZE); 11871ebb335SRajeshwari Birje 11971ebb335SRajeshwari Birje gd->bd->bi_dram[i].start = addr; 12071ebb335SRajeshwari Birje gd->bd->bi_dram[i].size = size; 12171ebb335SRajeshwari Birje } 12276b00acaSSimon Glass 12376b00acaSSimon Glass return 0; 12471ebb335SRajeshwari Birje } 12571ebb335SRajeshwari Birje 12671ebb335SRajeshwari Birje static int board_uart_init(void) 12771ebb335SRajeshwari Birje { 1286c15a2a9SThomas Abraham #ifndef CONFIG_PINCTRL_EXYNOS 12971ebb335SRajeshwari Birje int err, uart_id, ret = 0; 13071ebb335SRajeshwari Birje 13171ebb335SRajeshwari Birje for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) { 13271ebb335SRajeshwari Birje err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE); 13371ebb335SRajeshwari Birje if (err) { 13471ebb335SRajeshwari Birje debug("UART%d not configured\n", 13571ebb335SRajeshwari Birje (uart_id - PERIPH_ID_UART0)); 13671ebb335SRajeshwari Birje ret |= err; 13771ebb335SRajeshwari Birje } 13871ebb335SRajeshwari Birje } 13971ebb335SRajeshwari Birje return ret; 1406c15a2a9SThomas Abraham #else 1416c15a2a9SThomas Abraham return 0; 1426c15a2a9SThomas Abraham #endif 14371ebb335SRajeshwari Birje } 14471ebb335SRajeshwari Birje 14571ebb335SRajeshwari Birje #ifdef CONFIG_BOARD_EARLY_INIT_F 14671ebb335SRajeshwari Birje int board_early_init_f(void) 14771ebb335SRajeshwari Birje { 14871ebb335SRajeshwari Birje int err; 149d50c41efSPrzemyslaw Marczak #ifdef CONFIG_BOARD_TYPES 150d50c41efSPrzemyslaw Marczak set_board_type(); 151d50c41efSPrzemyslaw Marczak #endif 15271ebb335SRajeshwari Birje err = board_uart_init(); 15371ebb335SRajeshwari Birje if (err) { 15471ebb335SRajeshwari Birje debug("UART init failed\n"); 15571ebb335SRajeshwari Birje return err; 15671ebb335SRajeshwari Birje } 15771ebb335SRajeshwari Birje 15871ebb335SRajeshwari Birje #ifdef CONFIG_SYS_I2C_INIT_BOARD 15971ebb335SRajeshwari Birje board_i2c_init(gd->fdt_blob); 16071ebb335SRajeshwari Birje #endif 161f0017175SAjay Kumar 1628e5e1e6aSPiotr Wilczek return exynos_early_init_f(); 16371ebb335SRajeshwari Birje } 16471ebb335SRajeshwari Birje #endif 16571ebb335SRajeshwari Birje 166622e5feeSPrzemyslaw Marczak #if defined(CONFIG_POWER) || defined(CONFIG_DM_PMIC) 16771ebb335SRajeshwari Birje int power_init_board(void) 16871ebb335SRajeshwari Birje { 16971ebb335SRajeshwari Birje set_ps_hold_ctrl(); 17071ebb335SRajeshwari Birje 1718e5e1e6aSPiotr Wilczek return exynos_power_init(); 17271ebb335SRajeshwari Birje } 17371ebb335SRajeshwari Birje #endif 17471ebb335SRajeshwari Birje 175431a1c56SPiotr Wilczek #ifdef CONFIG_SMC911X 17671ebb335SRajeshwari Birje static int decode_sromc(const void *blob, struct fdt_sromc *config) 17771ebb335SRajeshwari Birje { 17871ebb335SRajeshwari Birje int err; 17971ebb335SRajeshwari Birje int node; 18071ebb335SRajeshwari Birje 18171ebb335SRajeshwari Birje node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC); 18271ebb335SRajeshwari Birje if (node < 0) { 18371ebb335SRajeshwari Birje debug("Could not find SROMC node\n"); 18471ebb335SRajeshwari Birje return node; 18571ebb335SRajeshwari Birje } 18671ebb335SRajeshwari Birje 18771ebb335SRajeshwari Birje config->bank = fdtdec_get_int(blob, node, "bank", 0); 18871ebb335SRajeshwari Birje config->width = fdtdec_get_int(blob, node, "width", 2); 18971ebb335SRajeshwari Birje 19071ebb335SRajeshwari Birje err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing, 19171ebb335SRajeshwari Birje FDT_SROM_TIMING_COUNT); 19271ebb335SRajeshwari Birje if (err < 0) { 19371ebb335SRajeshwari Birje debug("Could not decode SROMC configuration Error: %s\n", 19471ebb335SRajeshwari Birje fdt_strerror(err)); 19571ebb335SRajeshwari Birje return -FDT_ERR_NOTFOUND; 19671ebb335SRajeshwari Birje } 19771ebb335SRajeshwari Birje return 0; 19871ebb335SRajeshwari Birje } 199431a1c56SPiotr Wilczek #endif 20071ebb335SRajeshwari Birje 20171ebb335SRajeshwari Birje int board_eth_init(bd_t *bis) 20271ebb335SRajeshwari Birje { 20371ebb335SRajeshwari Birje #ifdef CONFIG_SMC911X 20471ebb335SRajeshwari Birje u32 smc_bw_conf, smc_bc_conf; 20571ebb335SRajeshwari Birje struct fdt_sromc config; 20671ebb335SRajeshwari Birje fdt_addr_t base_addr; 20771ebb335SRajeshwari Birje int node; 20871ebb335SRajeshwari Birje 20971ebb335SRajeshwari Birje node = decode_sromc(gd->fdt_blob, &config); 21071ebb335SRajeshwari Birje if (node < 0) { 21171ebb335SRajeshwari Birje debug("%s: Could not find sromc configuration\n", __func__); 21271ebb335SRajeshwari Birje return 0; 21371ebb335SRajeshwari Birje } 21471ebb335SRajeshwari Birje node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215); 21571ebb335SRajeshwari Birje if (node < 0) { 21671ebb335SRajeshwari Birje debug("%s: Could not find lan9215 configuration\n", __func__); 21771ebb335SRajeshwari Birje return 0; 21871ebb335SRajeshwari Birje } 21971ebb335SRajeshwari Birje 22071ebb335SRajeshwari Birje /* We now have a node, so any problems from now on are errors */ 22171ebb335SRajeshwari Birje base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg"); 22271ebb335SRajeshwari Birje if (base_addr == FDT_ADDR_T_NONE) { 22371ebb335SRajeshwari Birje debug("%s: Could not find lan9215 address\n", __func__); 22471ebb335SRajeshwari Birje return -1; 22571ebb335SRajeshwari Birje } 22671ebb335SRajeshwari Birje 22771ebb335SRajeshwari Birje /* Ethernet needs data bus width of 16 bits */ 22871ebb335SRajeshwari Birje if (config.width != 2) { 22971ebb335SRajeshwari Birje debug("%s: Unsupported bus width %d\n", __func__, 23071ebb335SRajeshwari Birje config.width); 23171ebb335SRajeshwari Birje return -1; 23271ebb335SRajeshwari Birje } 23371ebb335SRajeshwari Birje smc_bw_conf = SROMC_DATA16_WIDTH(config.bank) 23471ebb335SRajeshwari Birje | SROMC_BYTE_ENABLE(config.bank); 23571ebb335SRajeshwari Birje 23671ebb335SRajeshwari Birje smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) | 23771ebb335SRajeshwari Birje SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) | 23871ebb335SRajeshwari Birje SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) | 23971ebb335SRajeshwari Birje SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) | 24071ebb335SRajeshwari Birje SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) | 24171ebb335SRajeshwari Birje SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) | 24271ebb335SRajeshwari Birje SROMC_BC_PMC(config.timing[FDT_SROM_PMC]); 24371ebb335SRajeshwari Birje 24471ebb335SRajeshwari Birje /* Select and configure the SROMC bank */ 24571ebb335SRajeshwari Birje exynos_pinmux_config(PERIPH_ID_SROMC, config.bank); 24671ebb335SRajeshwari Birje s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf); 24771ebb335SRajeshwari Birje return smc911x_initialize(0, base_addr); 24871ebb335SRajeshwari Birje #endif 24971ebb335SRajeshwari Birje return 0; 25071ebb335SRajeshwari Birje } 25171ebb335SRajeshwari Birje 2524c1dd998SPiotr Wilczek #ifdef CONFIG_DISPLAY_BOARDINFO 2534c1dd998SPiotr Wilczek int checkboard(void) 2544c1dd998SPiotr Wilczek { 255a42ff927SSimon Glass if (IS_ENABLED(CONFIG_BOARD_TYPES)) { 256*e3ee4be3SKrzysztof Kozlowski const char *board_info; 257*e3ee4be3SKrzysztof Kozlowski 258*e3ee4be3SKrzysztof Kozlowski if (IS_ENABLED(CONFIG_DISPLAY_BOARDINFO_LATE)) { 259*e3ee4be3SKrzysztof Kozlowski /* 260*e3ee4be3SKrzysztof Kozlowski * Printing type requires having revision, although 261*e3ee4be3SKrzysztof Kozlowski * this will succeed only if done late. 262*e3ee4be3SKrzysztof Kozlowski * Otherwise revision will be set in misc_init_r(). 263*e3ee4be3SKrzysztof Kozlowski */ 264*e3ee4be3SKrzysztof Kozlowski set_board_revision(); 265*e3ee4be3SKrzysztof Kozlowski } 266*e3ee4be3SKrzysztof Kozlowski 267*e3ee4be3SKrzysztof Kozlowski board_info = get_board_type(); 2684c1dd998SPiotr Wilczek 269bc3f39eaSPrzemyslaw Marczak if (board_info) 270bc3f39eaSPrzemyslaw Marczak printf("Type: %s\n", board_info); 271a42ff927SSimon Glass } 272a42ff927SSimon Glass 2734c1dd998SPiotr Wilczek return 0; 2744c1dd998SPiotr Wilczek } 27571ebb335SRajeshwari Birje #endif 27671ebb335SRajeshwari Birje 27771ebb335SRajeshwari Birje #ifdef CONFIG_BOARD_LATE_INIT 27871ebb335SRajeshwari Birje int board_late_init(void) 27971ebb335SRajeshwari Birje { 280a2a63a35SSimon Glass struct udevice *dev; 281a2a63a35SSimon Glass int ret; 28271ebb335SRajeshwari Birje 283a2a63a35SSimon Glass stdio_print_current_devices(); 284a2a63a35SSimon Glass ret = uclass_first_device_err(UCLASS_CROS_EC, &dev); 285a2a63a35SSimon Glass if (ret && ret != -ENODEV) { 28671ebb335SRajeshwari Birje /* Force console on */ 28771ebb335SRajeshwari Birje gd->flags &= ~GD_FLG_SILENT; 28871ebb335SRajeshwari Birje 289a2a63a35SSimon Glass printf("cros-ec communications failure %d\n", ret); 29071ebb335SRajeshwari Birje puts("\nPlease reset with Power+Refresh\n\n"); 29171ebb335SRajeshwari Birje panic("Cannot init cros-ec device"); 29271ebb335SRajeshwari Birje return -1; 29371ebb335SRajeshwari Birje } 29471ebb335SRajeshwari Birje return 0; 29571ebb335SRajeshwari Birje } 29671ebb335SRajeshwari Birje #endif 29771ebb335SRajeshwari Birje 298431a1c56SPiotr Wilczek #ifdef CONFIG_MISC_INIT_R 299431a1c56SPiotr Wilczek int misc_init_r(void) 300431a1c56SPiotr Wilczek { 301*e3ee4be3SKrzysztof Kozlowski if (IS_ENABLED(CONFIG_BOARD_TYPES) && 302*e3ee4be3SKrzysztof Kozlowski !IS_ENABLED(CONFIG_DISPLAY_BOARDINFO_LATE)) { 303*e3ee4be3SKrzysztof Kozlowski /* 304*e3ee4be3SKrzysztof Kozlowski * If revision was not set by late display boardinfo, 305*e3ee4be3SKrzysztof Kozlowski * set it here. At this point regulators should be already 306*e3ee4be3SKrzysztof Kozlowski * available. 307*e3ee4be3SKrzysztof Kozlowski */ 308*e3ee4be3SKrzysztof Kozlowski set_board_revision(); 309*e3ee4be3SKrzysztof Kozlowski } 310*e3ee4be3SKrzysztof Kozlowski 311431a1c56SPiotr Wilczek #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 312431a1c56SPiotr Wilczek set_board_info(); 313431a1c56SPiotr Wilczek #endif 314431a1c56SPiotr Wilczek #ifdef CONFIG_LCD_MENU 315431a1c56SPiotr Wilczek keys_init(); 316431a1c56SPiotr Wilczek check_boot_mode(); 317431a1c56SPiotr Wilczek #endif 318431a1c56SPiotr Wilczek #ifdef CONFIG_CMD_BMP 319431a1c56SPiotr Wilczek if (panel_info.logo_on) 320431a1c56SPiotr Wilczek draw_logo(); 321431a1c56SPiotr Wilczek #endif 322431a1c56SPiotr Wilczek return 0; 323431a1c56SPiotr Wilczek } 324431a1c56SPiotr Wilczek #endif 325aa8e00faSJoonyoung Shim 326aa8e00faSJoonyoung Shim void reset_misc(void) 327aa8e00faSJoonyoung Shim { 328aa8e00faSJoonyoung Shim struct gpio_desc gpio = {}; 329aa8e00faSJoonyoung Shim int node; 330aa8e00faSJoonyoung Shim 331aa8e00faSJoonyoung Shim node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, 332aa8e00faSJoonyoung Shim "samsung,emmc-reset"); 333aa8e00faSJoonyoung Shim if (node < 0) 334aa8e00faSJoonyoung Shim return; 335aa8e00faSJoonyoung Shim 336150c5afeSSimon Glass gpio_request_by_name_nodev(offset_to_ofnode(node), "reset-gpio", 0, 337150c5afeSSimon Glass &gpio, GPIOD_IS_OUT); 338aa8e00faSJoonyoung Shim 339aa8e00faSJoonyoung Shim if (dm_gpio_is_valid(&gpio)) { 340aa8e00faSJoonyoung Shim /* 341aa8e00faSJoonyoung Shim * Reset eMMC 342aa8e00faSJoonyoung Shim * 343aa8e00faSJoonyoung Shim * FIXME: Need to optimize delay time. Minimum 1usec pulse is 344aa8e00faSJoonyoung Shim * required by 'JEDEC Standard No.84-A441' (eMMC) 345aa8e00faSJoonyoung Shim * document but real delay time is expected to greater 346aa8e00faSJoonyoung Shim * than 1usec. 347aa8e00faSJoonyoung Shim */ 348aa8e00faSJoonyoung Shim dm_gpio_set_value(&gpio, 0); 349aa8e00faSJoonyoung Shim mdelay(10); 350aa8e00faSJoonyoung Shim dm_gpio_set_value(&gpio, 1); 351aa8e00faSJoonyoung Shim } 352aa8e00faSJoonyoung Shim } 35328f393cdSLukasz Majewski 35428f393cdSLukasz Majewski int board_usb_cleanup(int index, enum usb_init_type init) 35528f393cdSLukasz Majewski { 356302a7d00SJoonyoung Shim #ifdef CONFIG_USB_DWC3 357302a7d00SJoonyoung Shim dwc3_uboot_exit(index); 358302a7d00SJoonyoung Shim #endif 35928f393cdSLukasz Majewski return 0; 36028f393cdSLukasz Majewski } 361