xref: /OK3568_Linux_fs/u-boot/arch/sh/lib/board.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2016 Vladimir Zapolskiy <vz@mleia.com>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:     GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
10*4882a593Smuzhiyun 
dram_init(void)11*4882a593Smuzhiyun int dram_init(void)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun 	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
14*4882a593Smuzhiyun 				    CONFIG_SYS_SDRAM_SIZE);
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	return 0;
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun 
relocate_code(ulong start_addr_sp,gd_t * new_gd,ulong relocaddr)19*4882a593Smuzhiyun void relocate_code(ulong start_addr_sp, gd_t *new_gd, ulong relocaddr)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	void (*reloc_board_init_r)(gd_t *gd, ulong dest) = board_init_r;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	if (new_gd->reloc_off) {
24*4882a593Smuzhiyun 		memcpy((void *)new_gd->relocaddr,
25*4882a593Smuzhiyun 		       (void *)(new_gd->relocaddr - new_gd->reloc_off),
26*4882a593Smuzhiyun 		       new_gd->mon_len);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 		reloc_board_init_r += new_gd->reloc_off;
29*4882a593Smuzhiyun 	}
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	__asm__ __volatile__("mov.l %0, r15\n" : : "m" (new_gd->start_addr_sp));
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	while (1)
34*4882a593Smuzhiyun 		reloc_board_init_r(new_gd, 0x0);
35*4882a593Smuzhiyun }
36