xref: /OK3568_Linux_fs/u-boot/arch/mips/mach-ath79/dram.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <linux/sizes.h>
9*4882a593Smuzhiyun #include <asm/addrspace.h>
10*4882a593Smuzhiyun #include <mach/ddr.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
13*4882a593Smuzhiyun 
dram_init(void)14*4882a593Smuzhiyun int dram_init(void)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	ddr_tap_tuning();
17*4882a593Smuzhiyun 	gd->ram_size = get_ram_size((void *)KSEG1, SZ_256M);
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	return 0;
20*4882a593Smuzhiyun }
21