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arm: rmobile: Identify R8A7796 r1.3 SoC 

Add support to identify R8A7796 r1.3 SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
This commit is contained in:
Biju Das 2020-09-15 15:15:22 +01:00 committed by Marek Vasut
parent 42805b17e6
commit 7d7913689a
1 changed files with 7 additions and 2 deletions
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9
arch/arm/mach-rmobile/cpu_info-rcar.c
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@ -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;
}