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 int __exynos_early_init_f(void)
35 int exynos_early_init_f(void)
36 __attribute__((weak, alias("__exynos_early_init_f")));
38 int __exynos_power_init(void)
42 int exynos_power_init(void)
43 __attribute__((weak, alias("__exynos_power_init")));
45 #if defined CONFIG_EXYNOS_TMU
46 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
47 static void boot_temp_check(void)
51 switch (tmu_monitor(&temp)) {
52 case TMU_STATUS_NORMAL:
54 case TMU_STATUS_TRIPPED:
56 * Status TRIPPED ans WARNING means corresponding threshold
59 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
63 case TMU_STATUS_WARNING:
64 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
68 * TMU_STATUS_INIT means something is wrong with temperature
69 * sensing and TMU status was changed back from NORMAL to INIT.
71 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
74 debug("EXYNOS_TMU: Unknown TMU state\n");
81 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
82 #if defined CONFIG_EXYNOS_TMU
83 if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
84 debug("%s: Failed to init TMU\n", __func__);
98 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
99 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
100 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
105 void dram_init_banksize(void)
110 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
111 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
112 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
114 gd->bd->bi_dram[i].start = addr;
115 gd->bd->bi_dram[i].size = size;
119 static int board_uart_init(void)
121 int err, uart_id, ret = 0;
123 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
124 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
126 debug("UART%d not configured\n",
127 (uart_id - PERIPH_ID_UART0));
134 #ifdef CONFIG_BOARD_EARLY_INIT_F
135 int board_early_init_f(void)
138 #ifdef CONFIG_BOARD_TYPES
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 #if defined(CONFIG_OF_CONTROL) && defined(CONFIG_EXYNOS_FB)
153 * board_init_f(arch/arm/lib/board.c) calls lcd_setmem() which needs
154 * panel_info.vl_col, panel_info.vl_row and panel_info.vl_bpix, to reserve
155 * FB memory at a very early stage. So, we need to fill panel_info.vl_col,
156 * panel_info.vl_row and panel_info.vl_bpix before lcd_setmem() is called.
158 err = exynos_lcd_early_init(gd->fdt_blob);
160 debug("LCD early init failed\n");
165 return exynos_early_init_f();
169 #if defined(CONFIG_POWER)
170 int power_init_board(void)
174 return exynos_power_init();
178 #ifdef CONFIG_OF_CONTROL
179 #ifdef CONFIG_SMC911X
180 static int decode_sromc(const void *blob, struct fdt_sromc *config)
185 node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
187 debug("Could not find SROMC node\n");
191 config->bank = fdtdec_get_int(blob, node, "bank", 0);
192 config->width = fdtdec_get_int(blob, node, "width", 2);
194 err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
195 FDT_SROM_TIMING_COUNT);
197 debug("Could not decode SROMC configuration Error: %s\n",
199 return -FDT_ERR_NOTFOUND;
205 int board_eth_init(bd_t *bis)
207 #ifdef CONFIG_SMC911X
208 u32 smc_bw_conf, smc_bc_conf;
209 struct fdt_sromc config;
210 fdt_addr_t base_addr;
213 node = decode_sromc(gd->fdt_blob, &config);
215 debug("%s: Could not find sromc configuration\n", __func__);
218 node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
220 debug("%s: Could not find lan9215 configuration\n", __func__);
224 /* We now have a node, so any problems from now on are errors */
225 base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
226 if (base_addr == FDT_ADDR_T_NONE) {
227 debug("%s: Could not find lan9215 address\n", __func__);
231 /* Ethernet needs data bus width of 16 bits */
232 if (config.width != 2) {
233 debug("%s: Unsupported bus width %d\n", __func__,
237 smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
238 | SROMC_BYTE_ENABLE(config.bank);
240 smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
241 SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
242 SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
243 SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
244 SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
245 SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
246 SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
248 /* Select and configure the SROMC bank */
249 exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
250 s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
251 return smc911x_initialize(0, base_addr);
256 #ifdef CONFIG_GENERIC_MMC
257 static int init_mmc(void)
260 return exynos_mmc_init(gd->fdt_blob);
266 static int init_dwmmc(void)
269 return exynos_dwmmc_init(gd->fdt_blob);
275 int board_mmc_init(bd_t *bis)
279 if (get_boot_mode() == BOOT_MODE_SD) {
288 debug("mmc init failed\n");
294 #ifdef CONFIG_DISPLAY_BOARDINFO
297 const char *board_info;
299 board_info = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
300 printf("Board: %s\n", board_info ? board_info : "unknown");
301 #ifdef CONFIG_BOARD_TYPES
302 board_info = get_board_type();
304 printf("Model: %s\n", board_info ? board_info : "unknown");
309 #endif /* CONFIG_OF_CONTROL */
311 #ifdef CONFIG_BOARD_LATE_INIT
312 int board_late_init(void)
314 stdio_print_current_devices();
316 if (cros_ec_get_error()) {
317 /* Force console on */
318 gd->flags &= ~GD_FLG_SILENT;
320 printf("cros-ec communications failure %d\n",
321 cros_ec_get_error());
322 puts("\nPlease reset with Power+Refresh\n\n");
323 panic("Cannot init cros-ec device");
330 int arch_early_init_r(void)
332 #ifdef CONFIG_CROS_EC
333 if (cros_ec_board_init()) {
334 printf("%s: Failed to init EC\n", __func__);
342 #ifdef CONFIG_MISC_INIT_R
343 int misc_init_r(void)
345 #ifdef CONFIG_SET_DFU_ALT_INFO
348 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
351 #ifdef CONFIG_LCD_MENU
355 #ifdef CONFIG_CMD_BMP
356 if (panel_info.logo_on)