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authorTetsuyuki Kobayashi <koba@kmckk.co.jp>2012-07-25 18:24:21 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-10-03 02:04:24 +0200
commit4f007b8334b9ed7170254cc784ad4f23f10192d0 (patch)
tree5946d3924cc837eb2e3cc8049e9c44ab21b961b7 /arch/arm/cpu
parent170cc96f6c0e7357f8516b61d44341c53866d208 (diff)
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arm: rmobile: kzm9g: separate cpu_rev to integer and fraction
According to SoC document, revision info is separated to integer part and fracton part. So I separete rmobile_get_cpu_rev() to rmobile_get_cpu_rev_integer() and rmobile_get_cpu_rev_fraction(). Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c16
-rw-r--r--arch/arm/cpu/armv7/rmobile/cpu_info.c23
2 files changed, 30 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c b/arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c
index 13ad742..2e7ed49 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c
@@ -35,14 +35,26 @@ u32 rmobile_get_cpu_type(void)
return type;
}
-u32 rmobile_get_cpu_rev(void)
+u32 rmobile_get_cpu_rev_integer(void)
{
u32 id;
u32 rev;
struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
id = readl(&hpb->cccr);
- rev = (id >> 4) & 0xF;
+ rev = ((id >> 4) & 0xF) + 1;
+
+ return rev;
+}
+
+u32 rmobile_get_cpu_rev_fraction(void)
+{
+ u32 id;
+ u32 rev;
+ struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
+
+ id = readl(&hpb->cccr);
+ rev = id & 0xF;
return rev;
}
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info.c b/arch/arm/cpu/armv7/rmobile/cpu_info.c
index 957a4fc..87287ce 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info.c
@@ -46,23 +46,32 @@ static u32 __rmobile_get_cpu_type(void)
u32 rmobile_get_cpu_type(void)
__attribute__((weak, alias("__rmobile_get_cpu_type")));
-static u32 __rmobile_get_cpu_rev(void)
+static u32 __rmobile_get_cpu_rev_integer(void)
{
return 0;
}
-u32 rmobile_get_cpu_rev(void)
- __attribute__((weak, alias("__rmobile_get_cpu_rev")));
+u32 rmobile_get_cpu_rev_integer(void)
+ __attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));
+
+static u32 __rmobile_get_cpu_rev_fraction(void)
+{
+ return 0;
+}
+u32 rmobile_get_cpu_rev_fraction(void)
+ __attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
int print_cpuinfo(void)
{
switch (rmobile_get_cpu_type()) {
case 0x37:
- printf("CPU: Renesas Electronics SH73A0 rev %d\n",
- rmobile_get_cpu_rev());
+ printf("CPU: Renesas Electronics SH73A0 rev %d.%d\n",
+ rmobile_get_cpu_rev_integer(),
+ rmobile_get_cpu_rev_fraction());
break;
default:
- printf("CPU: Renesas Electronics CPU rev %d\n",
- rmobile_get_cpu_rev());
+ printf("CPU: Renesas Electronics CPU rev %d.%d\n",
+ rmobile_get_cpu_rev_integer(),
+ rmobile_get_cpu_rev_fraction());
break;
}
return 0;