1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
4 * (C) Copyright 2013 - 2018 Xilinx, Inc.
14 #include <asm/arch/hardware.h>
15 #include <asm/arch/sys_proto.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
20 static struct udevice *watchdog_dev;
23 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOARD_EARLY_INIT_F)
24 int board_early_init_f(void)
26 # if defined(CONFIG_WDT)
27 /* bss is not cleared at time when watchdog_reset() is called */
37 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
38 if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
39 puts("Watchdog: Not found!\n");
41 wdt_start(watchdog_dev, 0, 0);
42 puts("Watchdog: Started\n");
49 int board_late_init(void)
51 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
53 env_set("modeboot", "qspiboot");
56 env_set("modeboot", "nandboot");
59 env_set("modeboot", "norboot");
62 env_set("modeboot", "sdboot");
65 env_set("modeboot", "jtagboot");
68 env_set("modeboot", "");
75 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
77 #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
78 defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
79 if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
80 CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
82 printf("I2C EEPROM MAC address read failed\n");
88 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
89 int dram_init_banksize(void)
91 return fdtdec_setup_memory_banksize();
96 if (fdtdec_setup_memory_size() != 0)
106 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
107 CONFIG_SYS_SDRAM_SIZE);
115 #if defined(CONFIG_WATCHDOG)
116 /* Called by macro WATCHDOG_RESET */
117 void watchdog_reset(void)
119 # if !defined(CONFIG_SPL_BUILD)
120 static ulong next_reset;
126 now = timer_get_us();
128 /* Do not reset the watchdog too often */
129 if (now > next_reset) {
130 wdt_reset(watchdog_dev);
131 next_reset = now + 1000;