[PATCH] arm: rmobile: Identify R8A7796 r1.3 SoC
Biju Das
biju.das.jz at bp.renesas.com
Tue Sep 15 16:15:22 CEST 2020
Add support to identify R8A7796 r1.3 SoC.
Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
---
arch/arm/mach-rmobile/cpu_info-rcar.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-rmobile/cpu_info-rcar.c b/arch/arm/mach-rmobile/cpu_info-rcar.c
index ce9312f9d8..5bde24ae0e 100644
--- a/arch/arm/mach-rmobile/cpu_info-rcar.c
+++ b/arch/arm/mach-rmobile/cpu_info-rcar.c
@@ -10,6 +10,7 @@
#define PRR_MASK 0x7fff
#define R8A7796_REV_1_0 0x5200
#define R8A7796_REV_1_1 0x5210
+#define R8A7796_REV_1_3 0x5211
static u32 rmobile_get_prr(void)
{
@@ -28,8 +29,9 @@ u32 rmobile_get_cpu_type(void)
u32 rmobile_get_cpu_rev_integer(void)
{
const u32 prr = rmobile_get_prr();
+ const u32 rev = prr & PRR_MASK;
- if ((prr & PRR_MASK) == R8A7796_REV_1_1)
+ if (rev == R8A7796_REV_1_1 || rev == R8A7796_REV_1_3)
return 1;
else
return ((prr & 0x000000F0) >> 4) + 1;
@@ -38,9 +40,12 @@ u32 rmobile_get_cpu_rev_integer(void)
u32 rmobile_get_cpu_rev_fraction(void)
{
const u32 prr = rmobile_get_prr();
+ const u32 rev = prr & PRR_MASK;
- if ((prr & PRR_MASK) == R8A7796_REV_1_1)
+ if (rev == R8A7796_REV_1_1)
return 1;
+ else if (rev == R8A7796_REV_1_3)
+ return 3;
else
return prr & 0x0000000F;
}
--
2.17.1
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