2 * (C) Copyright 2013 SAMSUNG Electronics
3 * Rajeshwari Shinde <rajeshwari.s@samsung.com>
5 * SPDX-License-Identifier: GPL-2.0+
16 #include <asm/arch/board.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/arch/dwmmc.h>
19 #include <asm/arch/gpio.h>
20 #include <asm/arch/mmc.h>
21 #include <asm/arch/pinmux.h>
22 #include <asm/arch/power.h>
23 #include <power/pmic.h>
24 #include <asm/arch/sromc.h>
26 #include <samsung/misc.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 int __exynos_early_init_f(void)
34 int exynos_early_init_f(void)
35 __attribute__((weak, alias("__exynos_early_init_f")));
37 int __exynos_power_init(void)
41 int exynos_power_init(void)
42 __attribute__((weak, alias("__exynos_power_init")));
44 #if defined CONFIG_EXYNOS_TMU
45 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
46 static void boot_temp_check(void)
50 switch (tmu_monitor(&temp)) {
51 case TMU_STATUS_NORMAL:
53 case TMU_STATUS_TRIPPED:
55 * Status TRIPPED ans WARNING means corresponding threshold
58 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
62 case TMU_STATUS_WARNING:
63 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
67 * TMU_STATUS_INIT means something is wrong with temperature
68 * sensing and TMU status was changed back from NORMAL to INIT.
70 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
73 debug("EXYNOS_TMU: Unknown TMU state\n");
80 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
81 #if defined CONFIG_EXYNOS_TMU
82 if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
83 debug("%s: Failed to init TMU\n", __func__);
89 #ifdef CONFIG_EXYNOS_SPI
100 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
101 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
102 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
107 void dram_init_banksize(void)
112 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
113 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
114 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
116 gd->bd->bi_dram[i].start = addr;
117 gd->bd->bi_dram[i].size = size;
121 static int board_uart_init(void)
123 int err, uart_id, ret = 0;
125 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
126 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
128 debug("UART%d not configured\n",
129 (uart_id - PERIPH_ID_UART0));
136 #ifdef CONFIG_BOARD_EARLY_INIT_F
137 int board_early_init_f(void)
141 err = board_uart_init();
143 debug("UART init failed\n");
147 #ifdef CONFIG_SYS_I2C_INIT_BOARD
148 board_i2c_init(gd->fdt_blob);
151 return exynos_early_init_f();
155 #if defined(CONFIG_POWER)
156 int power_init_board(void)
160 return exynos_power_init();
164 #ifdef CONFIG_OF_CONTROL
165 #ifdef CONFIG_SMC911X
166 static int decode_sromc(const void *blob, struct fdt_sromc *config)
171 node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
173 debug("Could not find SROMC node\n");
177 config->bank = fdtdec_get_int(blob, node, "bank", 0);
178 config->width = fdtdec_get_int(blob, node, "width", 2);
180 err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
181 FDT_SROM_TIMING_COUNT);
183 debug("Could not decode SROMC configuration Error: %s\n",
185 return -FDT_ERR_NOTFOUND;
191 int board_eth_init(bd_t *bis)
193 #ifdef CONFIG_SMC911X
194 u32 smc_bw_conf, smc_bc_conf;
195 struct fdt_sromc config;
196 fdt_addr_t base_addr;
199 node = decode_sromc(gd->fdt_blob, &config);
201 debug("%s: Could not find sromc configuration\n", __func__);
204 node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
206 debug("%s: Could not find lan9215 configuration\n", __func__);
210 /* We now have a node, so any problems from now on are errors */
211 base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
212 if (base_addr == FDT_ADDR_T_NONE) {
213 debug("%s: Could not find lan9215 address\n", __func__);
217 /* Ethernet needs data bus width of 16 bits */
218 if (config.width != 2) {
219 debug("%s: Unsupported bus width %d\n", __func__,
223 smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
224 | SROMC_BYTE_ENABLE(config.bank);
226 smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
227 SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
228 SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
229 SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
230 SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
231 SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
232 SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
234 /* Select and configure the SROMC bank */
235 exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
236 s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
237 return smc911x_initialize(0, base_addr);
242 #ifdef CONFIG_GENERIC_MMC
243 int board_mmc_init(bd_t *bis)
247 /* dwmmc initializattion for available channels */
248 ret = exynos_dwmmc_init(gd->fdt_blob);
250 debug("dwmmc init failed\n");
254 /* mmc initializattion for available channels */
255 ret = exynos_mmc_init(gd->fdt_blob);
257 debug("mmc init failed\n");
263 #ifdef CONFIG_DISPLAY_BOARDINFO
266 const char *board_name;
268 board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
269 printf("Board: %s\n", board_name ? board_name : "unknown");
274 #endif /* CONFIG_OF_CONTROL */
276 #ifdef CONFIG_BOARD_LATE_INIT
277 int board_late_init(void)
279 stdio_print_current_devices();
281 if (cros_ec_get_error()) {
282 /* Force console on */
283 gd->flags &= ~GD_FLG_SILENT;
285 printf("cros-ec communications failure %d\n",
286 cros_ec_get_error());
287 puts("\nPlease reset with Power+Refresh\n\n");
288 panic("Cannot init cros-ec device");
295 int arch_early_init_r(void)
297 #ifdef CONFIG_CROS_EC
298 if (cros_ec_board_init()) {
299 printf("%s: Failed to init EC\n", __func__);
307 #ifdef CONFIG_MISC_INIT_R
308 int misc_init_r(void)
310 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
313 #ifdef CONFIG_LCD_MENU
317 #ifdef CONFIG_CMD_BMP
318 if (panel_info.logo_on)