mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-31 12:08:19 +00:00 
			
		
		
		
	The R8A7796 r1.1 reports itself as r2.0 , add quirk into the PRR code to fix this report. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
		
			
				
	
	
		
			40 lines
		
	
	
		
			719 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			719 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
 | |
|  *
 | |
|  * Copyright (C) 2013,2014 Renesas Electronics Corporation
 | |
|  *
 | |
|  * SPDX-License-Identifier: GPL-2.0
 | |
|  */
 | |
| #include <common.h>
 | |
| #include <asm/io.h>
 | |
| 
 | |
| #define PRR			0xFF000044
 | |
| #define PRR_MASK		0x7fff
 | |
| #define R8A7796_REV_1_0		0x5200
 | |
| #define R8A7796_REV_1_1		0x5210
 | |
| 
 | |
| u32 rmobile_get_cpu_type(void)
 | |
| {
 | |
| 	return (readl(PRR) & 0x00007F00) >> 8;
 | |
| }
 | |
| 
 | |
| u32 rmobile_get_cpu_rev_integer(void)
 | |
| {
 | |
| 	const u32 prr = readl(PRR);
 | |
| 
 | |
| 	if ((prr & PRR_MASK) == R8A7796_REV_1_1)
 | |
| 		return 1;
 | |
| 	else
 | |
| 		return ((prr & 0x000000F0) >> 4) + 1;
 | |
| }
 | |
| 
 | |
| u32 rmobile_get_cpu_rev_fraction(void)
 | |
| {
 | |
| 	const u32 prr = readl(PRR);
 | |
| 
 | |
| 	if ((prr & PRR_MASK) == R8A7796_REV_1_1)
 | |
| 		return 1;
 | |
| 	else
 | |
| 		return prr & 0x0000000F;
 | |
| }
 |