xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-uniphier/sbc/sbc-ld4.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2011-2015 Panasonic Corporation
3*4882a593Smuzhiyun  * Copyright (C) 2015-2017 Socionext Inc.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <linux/io.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include "../init.h"
11*4882a593Smuzhiyun #include "sbc-regs.h"
12*4882a593Smuzhiyun 
uniphier_ld4_sbc_init(void)13*4882a593Smuzhiyun void uniphier_ld4_sbc_init(void)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	u32 tmp;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	uniphier_sbc_init_savepin();
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	/* system bus output enable */
20*4882a593Smuzhiyun 	tmp = readl(PC0CTRL);
21*4882a593Smuzhiyun 	tmp &= 0xfffffcff;
22*4882a593Smuzhiyun 	writel(tmp, PC0CTRL);
23*4882a593Smuzhiyun }
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