xref: /OK3568_Linux_fs/u-boot/arch/arc/lib/cpu.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/arcregs.h>
9*4882a593Smuzhiyun #include <asm/cache.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
12*4882a593Smuzhiyun 
arch_cpu_init(void)13*4882a593Smuzhiyun int arch_cpu_init(void)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	timer_init();
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
18*4882a593Smuzhiyun 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun 	cache_init();
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	return 0;
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
arch_early_init_r(void)25*4882a593Smuzhiyun int arch_early_init_r(void)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun 	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
28*4882a593Smuzhiyun 	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
29*4882a593Smuzhiyun 	return 0;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun /* This is a dummy function on arc */
dram_init(void)33*4882a593Smuzhiyun int dram_init(void)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun 	return 0;
36*4882a593Smuzhiyun }
37