1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2007-2018 Michal Simek
4 *
5 * Michal SIMEK <monstr@monstr.eu>
6 */
7
8 /*
9 * This is a board specific file. It's OK to include board specific
10 * header files
11 */
12
13 #include <common.h>
14 #include <config.h>
15 #include <init.h>
16 #include <dm/lists.h>
17 #include <fdtdec.h>
18 #include <linux/sizes.h>
19
20 DECLARE_GLOBAL_DATA_PTR;
21
dram_init_banksize(void)22 int dram_init_banksize(void)
23 {
24 return fdtdec_setup_memory_banksize();
25 }
26
dram_init(void)27 int dram_init(void)
28 {
29 if (fdtdec_setup_mem_size_base() != 0)
30 return -EINVAL;
31
32 return 0;
33 };
34
board_late_init(void)35 int board_late_init(void)
36 {
37 ulong max_size, lowmem_size;
38
39 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SYSRESET_MICROBLAZE)
40 int ret;
41
42 ret = device_bind_driver(gd->dm_root, "mb_soft_reset",
43 "reset_soft", NULL);
44 if (ret)
45 printf("Warning: No reset driver: ret=%d\n", ret);
46 #endif
47
48 if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
49 debug("Saved variables - Skipping\n");
50 return 0;
51 }
52
53 max_size = gd->start_addr_sp - CONFIG_STACK_SIZE;
54 max_size = round_down(max_size, SZ_16M);
55
56 /* Linux default LOWMEM_SIZE is 0x30000000 = 768MB */
57 lowmem_size = gd->ram_base + 768 * 1024 * 1024;
58
59 env_set_addr("initrd_high", (void *)min_t(ulong, max_size,
60 lowmem_size));
61 env_set_addr("fdt_high", (void *)min_t(ulong, max_size, lowmem_size));
62
63 return 0;
64 }
65