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arm: rmobile: kzm9g: separate cpu_rev to integer and fraction

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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>
This commit is contained in:
Tetsuyuki Kobayashi 2012-07-25 18:24:21 +00:00 committed by Albert ARIBAUD
parent 170cc96f6c
commit 4f007b8334
2 changed files with 30 additions and 9 deletions
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16
arch/arm/cpu/armv7/rmobile/cpu_info-sh73a0.c
View File

@ -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;
}

23
arch/arm/cpu/armv7/rmobile/cpu_info.c
View File

@ -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;