xref: /OK3568_Linux_fs/u-boot/drivers/ddr/marvell/a38x/ddr3_a38x_training.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) Marvell International Ltd. and its affiliates
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <i2c.h>
9*4882a593Smuzhiyun #include <spl.h>
10*4882a593Smuzhiyun #include <asm/io.h>
11*4882a593Smuzhiyun #include <asm/arch/cpu.h>
12*4882a593Smuzhiyun #include <asm/arch/soc.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "ddr3_init.h"
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun /*
17*4882a593Smuzhiyun  * Name:     ddr3_tip_init_silicon
18*4882a593Smuzhiyun  * Desc:     initiate silicon parameters
19*4882a593Smuzhiyun  * Args:
20*4882a593Smuzhiyun  * Notes:
21*4882a593Smuzhiyun  * Returns:  required value
22*4882a593Smuzhiyun  */
ddr3_silicon_init(void)23*4882a593Smuzhiyun int ddr3_silicon_init(void)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	int status;
26*4882a593Smuzhiyun 	static int init_done;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	if (init_done == 1)
29*4882a593Smuzhiyun 		return MV_OK;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	status = ddr3_tip_init_a38x(0, 0);
32*4882a593Smuzhiyun 	if (MV_OK != status) {
33*4882a593Smuzhiyun 		printf("DDR3 A38x silicon init - FAILED 0x%x\n", status);
34*4882a593Smuzhiyun 		return status;
35*4882a593Smuzhiyun 	}
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun 	init_done = 1;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	return MV_OK;
40*4882a593Smuzhiyun }
41