u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c
Nobuhiro Iwamatsu bd0550fc5f arm: rmobile: Add support R8A7791
Renesas R8A7791 is CPU with Cortex-A15.
This supports the basic register definition and GPIO and
framework of PFC.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Albert Aribaud <albert.u.boot@aribaud.net>
2013-12-03 09:46:45 +09:00

79 lines
1.7 KiB
C

/*
* (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* (C) Copyright 2012 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#ifdef CONFIG_ARCH_CPU_INIT
int arch_cpu_init(void)
{
icache_enable();
return 0;
}
#endif
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
dcache_enable();
}
#endif
#ifdef CONFIG_DISPLAY_CPUINFO
static u32 __rmobile_get_cpu_type(void)
{
return 0x0;
}
u32 rmobile_get_cpu_type(void)
__attribute__((weak, alias("__rmobile_get_cpu_type")));
static u32 __rmobile_get_cpu_rev_integer(void)
{
return 0;
}
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.%d\n",
rmobile_get_cpu_rev_integer(),
rmobile_get_cpu_rev_fraction());
break;
case 0x40:
printf("CPU: Renesas Electronics R8A7740 rev %d.%d\n",
rmobile_get_cpu_rev_integer(),
rmobile_get_cpu_rev_fraction());
break;
case 0x45:
printf("CPU: Renesas Electronics R8A7790 rev %d\n",
rmobile_get_cpu_rev_integer());
break;
case 0x47:
printf("CPU: Renesas Electronics R8A7791 rev %d\n",
rmobile_get_cpu_rev_integer());
break;
default:
printf("CPU: Renesas Electronics CPU rev %d.%d\n",
rmobile_get_cpu_rev_integer(),
rmobile_get_cpu_rev_fraction());
break;
}
return 0;
}
#endif /* CONFIG_DISPLAY_CPUINFO */