diff options
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c')
-rw-r--r-- | roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c b/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c new file mode 100644 index 00000000..83d5282e --- /dev/null +++ b/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c @@ -0,0 +1,79 @@ +/* + * (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 */ |