diff options
Diffstat (limited to 'arch/arm/cpu/armv7/rmobile/cpu_info.c')
-rw-r--r-- | arch/arm/cpu/armv7/rmobile/cpu_info.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info.c b/arch/arm/cpu/armv7/rmobile/cpu_info.c new file mode 100644 index 00000000000..0e2b82ec58d --- /dev/null +++ b/arch/arm/cpu/armv7/rmobile/cpu_info.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> + * (C) Copyright 2012 Renesas Solutions Corp. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#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; + + 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 */ |