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 DECLARE_GLOBAL_DATA_PTR;
29 struct cros_ec_dev *cros_ec_dev; /* Pointer to cros_ec device */
30 int cros_ec_err; /* Error for cros_ec, 0 if ok */
33 static struct local_info local;
35 int __exynos_early_init_f(void)
39 int exynos_early_init_f(void)
40 __attribute__((weak, alias("__exynos_early_init_f")));
42 int __exynos_power_init(void)
46 int exynos_power_init(void)
47 __attribute__((weak, alias("__exynos_power_init")));
49 #if defined CONFIG_EXYNOS_TMU
50 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
51 static void boot_temp_check(void)
55 switch (tmu_monitor(&temp)) {
56 case TMU_STATUS_NORMAL:
58 case TMU_STATUS_TRIPPED:
60 * Status TRIPPED ans WARNING means corresponding threshold
63 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
67 case TMU_STATUS_WARNING:
68 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
72 * TMU_STATUS_INIT means something is wrong with temperature
73 * sensing and TMU status was changed back from NORMAL to INIT.
75 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
78 debug("EXYNOS_TMU: Unknown TMU state\n");
85 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
86 #if defined CONFIG_EXYNOS_TMU
87 if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
88 debug("%s: Failed to init TMU\n", __func__);
94 #ifdef CONFIG_EXYNOS_SPI
105 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
106 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
107 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
112 void dram_init_banksize(void)
117 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
118 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
119 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
121 gd->bd->bi_dram[i].start = addr;
122 gd->bd->bi_dram[i].size = size;
126 static int board_uart_init(void)
128 int err, uart_id, ret = 0;
130 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
131 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
133 debug("UART%d not configured\n",
134 (uart_id - PERIPH_ID_UART0));
141 #ifdef CONFIG_BOARD_EARLY_INIT_F
142 int board_early_init_f(void)
146 err = board_uart_init();
148 debug("UART init failed\n");
152 #ifdef CONFIG_SYS_I2C_INIT_BOARD
153 board_i2c_init(gd->fdt_blob);
156 return exynos_early_init_f();
160 struct cros_ec_dev *board_get_cros_ec_dev(void)
162 return local.cros_ec_dev;
165 #ifdef CONFIG_CROS_EC
166 static int board_init_cros_ec_devices(const void *blob)
168 local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
169 if (local.cros_ec_err)
170 return -1; /* Will report in board_late_init() */
176 #if defined(CONFIG_POWER)
177 int power_init_board(void)
181 return exynos_power_init();
185 #ifdef CONFIG_OF_CONTROL
186 static int decode_sromc(const void *blob, struct fdt_sromc *config)
191 node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
193 debug("Could not find SROMC node\n");
197 config->bank = fdtdec_get_int(blob, node, "bank", 0);
198 config->width = fdtdec_get_int(blob, node, "width", 2);
200 err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
201 FDT_SROM_TIMING_COUNT);
203 debug("Could not decode SROMC configuration Error: %s\n",
205 return -FDT_ERR_NOTFOUND;
210 int board_eth_init(bd_t *bis)
212 #ifdef CONFIG_SMC911X
213 u32 smc_bw_conf, smc_bc_conf;
214 struct fdt_sromc config;
215 fdt_addr_t base_addr;
218 node = decode_sromc(gd->fdt_blob, &config);
220 debug("%s: Could not find sromc configuration\n", __func__);
223 node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
225 debug("%s: Could not find lan9215 configuration\n", __func__);
229 /* We now have a node, so any problems from now on are errors */
230 base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
231 if (base_addr == FDT_ADDR_T_NONE) {
232 debug("%s: Could not find lan9215 address\n", __func__);
236 /* Ethernet needs data bus width of 16 bits */
237 if (config.width != 2) {
238 debug("%s: Unsupported bus width %d\n", __func__,
242 smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
243 | SROMC_BYTE_ENABLE(config.bank);
245 smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) |
246 SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
247 SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
248 SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
249 SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) |
250 SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
251 SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
253 /* Select and configure the SROMC bank */
254 exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
255 s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
256 return smc911x_initialize(0, base_addr);
261 #ifdef CONFIG_GENERIC_MMC
262 int board_mmc_init(bd_t *bis)
266 /* dwmmc initializattion for available channels */
267 ret = exynos_dwmmc_init(gd->fdt_blob);
269 debug("dwmmc init failed\n");
275 #ifdef CONFIG_DISPLAY_BOARDINFO
278 const char *board_name;
280 board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
281 printf("Board: %s\n", board_name ? board_name : "unknown");
286 #endif /* CONFIG_OF_CONTROL */
288 #ifdef CONFIG_BOARD_LATE_INIT
289 int board_late_init(void)
291 stdio_print_current_devices();
293 if (local.cros_ec_err) {
294 /* Force console on */
295 gd->flags &= ~GD_FLG_SILENT;
297 printf("cros-ec communications failure %d\n",
299 puts("\nPlease reset with Power+Refresh\n\n");
300 panic("Cannot init cros-ec device");
307 int arch_early_init_r(void)
309 #ifdef CONFIG_CROS_EC
310 if (board_init_cros_ec_devices(gd->fdt_blob)) {
311 printf("%s: Failed to init EC\n", __func__);