xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-uniphier/sbc/sbc-ld11.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2016-2017 Socionext Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <spl.h>
9*4882a593Smuzhiyun #include <linux/io.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include "../init.h"
12*4882a593Smuzhiyun #include "sbc-regs.h"
13*4882a593Smuzhiyun 
uniphier_ld11_sbc_init(void)14*4882a593Smuzhiyun void uniphier_ld11_sbc_init(void)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	uniphier_sbc_init_savepin();
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	/* necessary for ROM boot ?? */
19*4882a593Smuzhiyun 	/* system bus output enable */
20*4882a593Smuzhiyun 	writel(0x17, PC0CTRL);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	/* pins for NAND and System Bus are multiplexed */
23*4882a593Smuzhiyun 	if (spl_boot_device() != BOOT_DEVICE_NAND)
24*4882a593Smuzhiyun 		uniphier_pin_init("system_bus_grp");
25*4882a593Smuzhiyun }
26