xref: /rk3399_rockchip-uboot/arch/sh/lib/board.c (revision bccf09e0e16f812dd61c4972a1125b58a221a87d)
1cdbb0cf8SVladimir Zapolskiy /*
2cdbb0cf8SVladimir Zapolskiy  * Copyright (C) 2016 Vladimir Zapolskiy <vz@mleia.com>
3cdbb0cf8SVladimir Zapolskiy  *
4cdbb0cf8SVladimir Zapolskiy  * SPDX-License-Identifier:     GPL-2.0+
5cdbb0cf8SVladimir Zapolskiy  */
6cdbb0cf8SVladimir Zapolskiy 
7cdbb0cf8SVladimir Zapolskiy #include <common.h>
8cdbb0cf8SVladimir Zapolskiy 
9cdbb0cf8SVladimir Zapolskiy DECLARE_GLOBAL_DATA_PTR;
10cdbb0cf8SVladimir Zapolskiy 
dram_init(void)11cdbb0cf8SVladimir Zapolskiy int dram_init(void)
12cdbb0cf8SVladimir Zapolskiy {
13cdbb0cf8SVladimir Zapolskiy 	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
14cdbb0cf8SVladimir Zapolskiy 				    CONFIG_SYS_SDRAM_SIZE);
15cdbb0cf8SVladimir Zapolskiy 
16cdbb0cf8SVladimir Zapolskiy 	return 0;
17cdbb0cf8SVladimir Zapolskiy }
18*bccf09e0SVladimir Zapolskiy 
relocate_code(ulong start_addr_sp,gd_t * new_gd,ulong relocaddr)19*bccf09e0SVladimir Zapolskiy void relocate_code(ulong start_addr_sp, gd_t *new_gd, ulong relocaddr)
20*bccf09e0SVladimir Zapolskiy {
21*bccf09e0SVladimir Zapolskiy 	void (*reloc_board_init_r)(gd_t *gd, ulong dest) = board_init_r;
22*bccf09e0SVladimir Zapolskiy 
23*bccf09e0SVladimir Zapolskiy 	if (new_gd->reloc_off) {
24*bccf09e0SVladimir Zapolskiy 		memcpy((void *)new_gd->relocaddr,
25*bccf09e0SVladimir Zapolskiy 		       (void *)(new_gd->relocaddr - new_gd->reloc_off),
26*bccf09e0SVladimir Zapolskiy 		       new_gd->mon_len);
27*bccf09e0SVladimir Zapolskiy 
28*bccf09e0SVladimir Zapolskiy 		reloc_board_init_r += new_gd->reloc_off;
29*bccf09e0SVladimir Zapolskiy 	}
30*bccf09e0SVladimir Zapolskiy 
31*bccf09e0SVladimir Zapolskiy 	__asm__ __volatile__("mov.l %0, r15\n" : : "m" (new_gd->start_addr_sp));
32*bccf09e0SVladimir Zapolskiy 
33*bccf09e0SVladimir Zapolskiy 	while (1)
34*bccf09e0SVladimir Zapolskiy 		reloc_board_init_r(new_gd, 0x0);
35*bccf09e0SVladimir Zapolskiy }
36