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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2014-03-28 11:15:59 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2014-04-28 04:35:12 +0900
commita028abea6c804a3f6de76ad9eda23fbf9ecb8422 (patch)
treec81b9056c237eddaa4223ddd1970782b9034a66f /arch
parent210f7b2d2601445c56e2528da5195942ee9965d2 (diff)
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arm: rmobile: Add rmobile_get_cpu_rev_fraction() for R-Car SoCs
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
index 65e89aa..42ee30f 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
@@ -19,3 +19,8 @@ u32 rmobile_get_cpu_rev_integer(void)
{
return ((readl(PRR) & 0x000000F0) >> 4) + 1;
}
+
+u32 rmobile_get_cpu_rev_fraction(void)
+{
+ return readl(PRR) & 0x0000000F;
+}