xref: /openbmc/u-boot/arch/sh/lib/board.c (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2cdbb0cf8SVladimir Zapolskiy /*
3cdbb0cf8SVladimir Zapolskiy  * Copyright (C) 2016 Vladimir Zapolskiy <vz@mleia.com>
4cdbb0cf8SVladimir Zapolskiy  */
5cdbb0cf8SVladimir Zapolskiy 
6cdbb0cf8SVladimir Zapolskiy #include <common.h>
7cdbb0cf8SVladimir Zapolskiy 
8cdbb0cf8SVladimir Zapolskiy DECLARE_GLOBAL_DATA_PTR;
9cdbb0cf8SVladimir Zapolskiy 
dram_init(void)10cdbb0cf8SVladimir Zapolskiy int dram_init(void)
11cdbb0cf8SVladimir Zapolskiy {
12cdbb0cf8SVladimir Zapolskiy 	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
13cdbb0cf8SVladimir Zapolskiy 				    CONFIG_SYS_SDRAM_SIZE);
14cdbb0cf8SVladimir Zapolskiy 
15cdbb0cf8SVladimir Zapolskiy 	return 0;
16cdbb0cf8SVladimir Zapolskiy }
17bccf09e0SVladimir Zapolskiy 
relocate_code(ulong start_addr_sp,gd_t * new_gd,ulong relocaddr)18bccf09e0SVladimir Zapolskiy void relocate_code(ulong start_addr_sp, gd_t *new_gd, ulong relocaddr)
19bccf09e0SVladimir Zapolskiy {
20bccf09e0SVladimir Zapolskiy 	void (*reloc_board_init_r)(gd_t *gd, ulong dest) = board_init_r;
21bccf09e0SVladimir Zapolskiy 
22bccf09e0SVladimir Zapolskiy 	if (new_gd->reloc_off) {
23bccf09e0SVladimir Zapolskiy 		memcpy((void *)new_gd->relocaddr,
24bccf09e0SVladimir Zapolskiy 		       (void *)(new_gd->relocaddr - new_gd->reloc_off),
25bccf09e0SVladimir Zapolskiy 		       new_gd->mon_len);
26bccf09e0SVladimir Zapolskiy 
27bccf09e0SVladimir Zapolskiy 		reloc_board_init_r += new_gd->reloc_off;
28bccf09e0SVladimir Zapolskiy 	}
29bccf09e0SVladimir Zapolskiy 
30bccf09e0SVladimir Zapolskiy 	__asm__ __volatile__("mov.l %0, r15\n" : : "m" (new_gd->start_addr_sp));
31bccf09e0SVladimir Zapolskiy 
32bccf09e0SVladimir Zapolskiy 	while (1)
33bccf09e0SVladimir Zapolskiy 		reloc_board_init_r(new_gd, 0x0);
34bccf09e0SVladimir Zapolskiy }
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