1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2007 Michal Simek
5 * Michal SIMEK <monstr@monstr.eu>
9 * This is a board specific file. It's OK to include board specific
16 #include <asm/processor.h>
17 #include <asm/microblaze_intc.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 #ifdef CONFIG_XILINX_GPIO
24 static int reset_pin = -1;
29 int dram_init_banksize(void)
31 gd->bd->bi_dram[0].start = ram_base;
32 gd->bd->bi_dram[0].size = get_effective_memsize();
42 const void *blob = gd->fdt_blob;
44 node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
46 if (node == -FDT_ERR_NOTFOUND) {
47 debug("DRAM: Can't get memory node\n");
50 addr = fdtdec_get_addr_size(blob, node, "reg", &size);
51 if (addr == FDT_ADDR_T_NONE || size == 0) {
52 debug("DRAM: Can't get base address or size\n");
57 gd->ram_top = addr; /* In setup_dest_addr() is done +ram_size */
63 #if !defined(CONFIG_SYSRESET) || defined(CONFIG_SPL_BUILD)
64 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
66 #ifndef CONFIG_SPL_BUILD
67 #ifdef CONFIG_XILINX_GPIO
69 gpio_direction_output(reset_pin, 1);
72 #ifdef CONFIG_XILINX_TB_WATCHDOG
73 hw_watchdog_disable();
76 puts("Resetting board\n");
77 __asm__ __volatile__ (" mts rmsr, r0;" \
84 static int gpio_init(void)
86 #ifdef CONFIG_XILINX_GPIO
87 reset_pin = gpio_alloc(CONFIG_SYS_GPIO_0_ADDR, "reset", 1);
89 gpio_request(reset_pin, "reset_pin");
94 int board_late_init(void)