2 * (C) Copyright 2013 SAMSUNG Electronics
3 * Rajeshwari Shinde <rajeshwari.s@samsung.com>
5 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/arch/board.h>
18 #include <asm/arch/cpu.h>
19 #include <asm/arch/dwmmc.h>
20 #include <asm/arch/mmc.h>
21 #include <asm/arch/pinmux.h>
22 #include <asm/arch/power.h>
23 #include <asm/arch/system.h>
24 #include <power/pmic.h>
25 #include <asm/arch/sromc.h>
27 #include <samsung/misc.h>
29 DECLARE_GLOBAL_DATA_PTR;
31 __weak int exynos_early_init_f(void)
36 __weak int exynos_power_init(void)
41 #if defined CONFIG_EXYNOS_TMU
42 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
43 static void boot_temp_check(void)
47 switch (tmu_monitor(&temp)) {
48 case TMU_STATUS_NORMAL:
50 case TMU_STATUS_TRIPPED:
52 * Status TRIPPED ans WARNING means corresponding threshold
55 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
59 case TMU_STATUS_WARNING:
60 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
64 * TMU_STATUS_INIT means something is wrong with temperature
65 * sensing and TMU status was changed back from NORMAL to INIT.
67 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
70 debug("EXYNOS_TMU: Unknown TMU state\n");
77 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
78 #if defined CONFIG_EXYNOS_TMU
79 if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
80 debug("%s: Failed to init TMU\n", __func__);
94 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
95 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
96 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
101 void dram_init_banksize(void)
106 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
107 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
108 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
110 gd->bd->bi_dram[i].start = addr;
111 gd->bd->bi_dram[i].size = size;
115 static int board_uart_init(void)
117 int err, uart_id, ret = 0;
119 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
120 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
122 debug("UART%d not configured\n",
123 (uart_id - PERIPH_ID_UART0));
130 #ifdef CONFIG_BOARD_EARLY_INIT_F
131 int board_early_init_f(void)
134 #ifdef CONFIG_BOARD_TYPES
137 err = board_uart_init();
139 debug("UART init failed\n");
143 #ifdef CONFIG_SYS_I2C_INIT_BOARD
144 board_i2c_init(gd->fdt_blob);
147 #if defined(CONFIG_OF_CONTROL) && defined(CONFIG_EXYNOS_FB)
149 * board_init_f(arch/arm/lib/board.c) calls lcd_setmem() which needs
150 * panel_info.vl_col, panel_info.vl_row and panel_info.vl_bpix, to reserve
151 * FB memory at a very early stage. So, we need to fill panel_info.vl_col,
152 * panel_info.vl_row and panel_info.vl_bpix before lcd_setmem() is called.
154 err = exynos_lcd_early_init(gd->fdt_blob);
156 debug("LCD early init failed\n");
161 return exynos_early_init_f();
165 #if defined(CONFIG_POWER)
166 int power_init_board(void)
170 return exynos_power_init();
174 #ifdef CONFIG_OF_CONTROL
175 #ifdef CONFIG_SMC911X
176 static int decode_sromc(const void *blob, struct fdt_sromc *config)
181 node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
183 debug("Could not find SROMC node\n");
187 config->bank = fdtdec_get_int(blob, node, "bank", 0);
188 config->width = fdtdec_get_int(blob, node, "width", 2);
190 err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
191 FDT_SROM_TIMING_COUNT);
193 debug("Could not decode SROMC configuration Error: %s\n",
195 return -FDT_ERR_NOTFOUND;
201 int board_eth_init(bd_t *bis)
203 #ifdef CONFIG_SMC911X
204 u32 smc_bw_conf, smc_bc_conf;
205 struct fdt_sromc config;
206 fdt_addr_t base_addr;
209 node = decode_sromc(gd->fdt_blob, &config);
211 debug("%s: Could not find sromc configuration\n", __func__);
214 node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
216 debug("%s: Could not find lan9215 configuration\n", __func__);
220 /* We now have a node, so any problems from now on are errors */
221 base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
222 if (base_addr == FDT_ADDR_T_NONE) {
223 debug("%s: Could not find lan9215 address\n", __func__);
227 /* Ethernet needs data bus width of 16 bits */
228 if (config.width != 2) {
229 debug("%s: Unsupported bus width %d\n", __func__,
233 smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
234 | SROMC_BYTE_ENABLE(config.bank);
236 smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
237 SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
238 SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
239 SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
240 SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
241 SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
242 SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
244 /* Select and configure the SROMC bank */
245 exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
246 s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
247 return smc911x_initialize(0, base_addr);
252 #ifdef CONFIG_GENERIC_MMC
253 static int init_mmc(void)
256 return exynos_mmc_init(gd->fdt_blob);
262 static int init_dwmmc(void)
265 return exynos_dwmmc_init(gd->fdt_blob);
271 int board_mmc_init(bd_t *bis)
275 if (get_boot_mode() == BOOT_MODE_SD) {
284 debug("mmc init failed\n");
290 #ifdef CONFIG_DISPLAY_BOARDINFO
293 const char *board_info;
295 board_info = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
296 printf("Board: %s\n", board_info ? board_info : "unknown");
297 #ifdef CONFIG_BOARD_TYPES
298 board_info = get_board_type();
300 printf("Model: %s\n", board_info ? board_info : "unknown");
305 #endif /* CONFIG_OF_CONTROL */
307 #ifdef CONFIG_BOARD_LATE_INIT
308 int board_late_init(void)
310 stdio_print_current_devices();
312 if (cros_ec_get_error()) {
313 /* Force console on */
314 gd->flags &= ~GD_FLG_SILENT;
316 printf("cros-ec communications failure %d\n",
317 cros_ec_get_error());
318 puts("\nPlease reset with Power+Refresh\n\n");
319 panic("Cannot init cros-ec device");
326 int arch_early_init_r(void)
328 #ifdef CONFIG_CROS_EC
329 if (cros_ec_board_init()) {
330 printf("%s: Failed to init EC\n", __func__);
338 #ifdef CONFIG_MISC_INIT_R
339 int misc_init_r(void)
341 #ifdef CONFIG_SET_DFU_ALT_INFO
344 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
347 #ifdef CONFIG_LCD_MENU
351 #ifdef CONFIG_CMD_BMP
352 if (panel_info.logo_on)