1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
4 * (C) Copyright 2013 - 2018 Xilinx, Inc.
16 #include <asm/arch/hardware.h>
17 #include <asm/arch/sys_proto.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
22 static struct udevice *watchdog_dev;
25 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOARD_EARLY_INIT_F)
26 int board_early_init_f(void)
28 # if defined(CONFIG_WDT)
29 /* bss is not cleared at time when watchdog_reset() is called */
39 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
40 if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) {
41 debug("Watchdog: Not found by seq!\n");
42 if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
43 puts("Watchdog: Not found!\n");
48 wdt_start(watchdog_dev, 0, 0);
49 puts("Watchdog: Started\n");
55 int board_late_init(void)
57 int env_targets_len = 0;
62 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
65 env_set("modeboot", "qspiboot");
69 env_set("modeboot", "nandboot");
73 env_set("modeboot", "norboot");
77 env_set("modeboot", "sdboot");
81 env_set("modeboot", "jtagboot");
85 env_set("modeboot", "");
90 * One terminating char + one byte for space between mode
91 * and default boot_targets
93 env_targets = env_get("boot_targets");
95 env_targets_len = strlen(env_targets);
97 new_targets = calloc(1, strlen(mode) + env_targets_len + 2);
101 sprintf(new_targets, "%s %s", mode,
102 env_targets ? env_targets : "");
104 env_set("boot_targets", new_targets);
109 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
110 int dram_init_banksize(void)
112 return fdtdec_setup_memory_banksize();
117 if (fdtdec_setup_mem_size_base() != 0)
127 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
128 CONFIG_SYS_SDRAM_SIZE);
136 #if defined(CONFIG_WATCHDOG)
137 /* Called by macro WATCHDOG_RESET */
138 void watchdog_reset(void)
140 # if !defined(CONFIG_SPL_BUILD)
141 static ulong next_reset;
147 now = timer_get_us();
149 /* Do not reset the watchdog too often */
150 if (now > next_reset) {
151 wdt_reset(watchdog_dev);
152 next_reset = now + 1000;