2 * (C) Copyright 2007 Michal Simek
4 * Michal SIMEK <monstr@monstr.eu>
6 * SPDX-License-Identifier: GPL-2.0+
9 /* This is a board specific file. It's OK to include board specific
15 #include <asm/processor.h>
16 #include <asm/microblaze_intc.h>
20 DECLARE_GLOBAL_DATA_PTR;
22 #ifdef CONFIG_XILINX_GPIO
23 static int reset_pin = -1;
28 int dram_init_banksize(void)
30 gd->bd->bi_dram[0].start = ram_base;
31 gd->bd->bi_dram[0].size = get_effective_memsize();
41 const void *blob = gd->fdt_blob;
43 node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
45 if (node == -FDT_ERR_NOTFOUND) {
46 debug("DRAM: Can't get memory node\n");
49 addr = fdtdec_get_addr_size(blob, node, "reg", &size);
50 if (addr == FDT_ADDR_T_NONE || size == 0) {
51 debug("DRAM: Can't get base address or size\n");
56 gd->ram_top = addr; /* In setup_dest_addr() is done +ram_size */
62 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
64 #ifndef CONFIG_SPL_BUILD
65 #ifdef CONFIG_XILINX_GPIO
67 gpio_direction_output(reset_pin, 1);
70 #ifdef CONFIG_XILINX_TB_WATCHDOG
71 hw_watchdog_disable();
74 puts ("Reseting board\n");
75 __asm__ __volatile__ (" mts rmsr, r0;" \
81 static int gpio_init(void)
83 #ifdef CONFIG_XILINX_GPIO
84 reset_pin = gpio_alloc(CONFIG_SYS_GPIO_0_ADDR, "reset", 1);
86 gpio_request(reset_pin, "reset_pin");
91 int board_late_init(void)