1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
4 * (C) Copyright 2013 - 2018 Xilinx, Inc.
15 #include <asm/arch/hardware.h>
16 #include <asm/arch/sys_proto.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
21 static struct udevice *watchdog_dev;
24 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOARD_EARLY_INIT_F)
25 int board_early_init_f(void)
27 # if defined(CONFIG_WDT)
28 /* bss is not cleared at time when watchdog_reset() is called */
38 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
39 if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
40 puts("Watchdog: Not found!\n");
42 wdt_start(watchdog_dev, 0, 0);
43 puts("Watchdog: Started\n");
50 int board_late_init(void)
52 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
54 env_set("modeboot", "qspiboot");
57 env_set("modeboot", "nandboot");
60 env_set("modeboot", "norboot");
63 env_set("modeboot", "sdboot");
66 env_set("modeboot", "jtagboot");
69 env_set("modeboot", "");
76 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
78 #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
79 defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
80 if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
81 CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
83 printf("I2C EEPROM MAC address read failed\n");
89 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
90 int dram_init_banksize(void)
92 return fdtdec_setup_memory_banksize();
97 if (fdtdec_setup_memory_size() != 0)
107 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
108 CONFIG_SYS_SDRAM_SIZE);
116 #if defined(CONFIG_WATCHDOG)
117 /* Called by macro WATCHDOG_RESET */
118 void watchdog_reset(void)
120 # if !defined(CONFIG_SPL_BUILD)
121 static ulong next_reset;
127 now = timer_get_us();
129 /* Do not reset the watchdog too often */
130 if (now > next_reset) {
131 wdt_reset(watchdog_dev);
132 next_reset = now + 1000;