mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 16:07:30 +00:00
a028abea6c
This adds rmobile_get_cpu_rev_fraction to get fraction revision for R-Car SoCs. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
26 lines
460 B
C
26 lines
460 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
|
|
|
|
u32 rmobile_get_cpu_type(void)
|
|
{
|
|
return (readl(PRR) & 0x00007F00) >> 8;
|
|
}
|
|
|
|
u32 rmobile_get_cpu_rev_integer(void)
|
|
{
|
|
return ((readl(PRR) & 0x000000F0) >> 4) + 1;
|
|
}
|
|
|
|
u32 rmobile_get_cpu_rev_fraction(void)
|
|
{
|
|
return readl(PRR) & 0x0000000F;
|
|
}
|