xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-rmobile/cpu_info-r8a7740.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
3*4882a593Smuzhiyun  * (C) Copyright 2012 Renesas Solutions Corp.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/io.h>
9*4882a593Smuzhiyun 
rmobile_get_cpu_type(void)10*4882a593Smuzhiyun u32 rmobile_get_cpu_type(void)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	u32 id;
13*4882a593Smuzhiyun 	u32 type;
14*4882a593Smuzhiyun 	struct r8a7740_hpb *hpb = (struct r8a7740_hpb *)HPB_BASE;
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	id = readl(hpb->cccr);
17*4882a593Smuzhiyun 	type = (id >> 8) & 0xFF;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	return type;
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
rmobile_get_cpu_rev(void)22*4882a593Smuzhiyun u32 rmobile_get_cpu_rev(void)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	u32 id;
25*4882a593Smuzhiyun 	u32 rev;
26*4882a593Smuzhiyun 	struct r8a7740_hpb *hpb = (struct r8a7740_hpb *)HPB_BASE;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	id = readl(hpb->cccr);
29*4882a593Smuzhiyun 	rev = (id >> 4) & 0xF;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	return rev;
32*4882a593Smuzhiyun }
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