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| /*
| * (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")));
|
| /* CPU infomation table */
| static const struct {
| u16 cpu_type;
| u8 cpu_name[10];
| } rmobile_cpuinfo[] = {
| { 0x37, "SH73A0" },
| { 0x40, "R8A7740" },
| { 0x45, "R8A7790" },
| { 0x47, "R8A7791" },
| { 0x4A, "R8A7792" },
| { 0x4B, "R8A7793" },
| { 0x4C, "R8A7794" },
| { 0x4F, "R8A7795" },
| { 0x52, "R8A7796" },
| { 0x0, "CPU" },
| };
|
| int print_cpuinfo(void)
| {
| int i = 0;
| u32 cpu_type = rmobile_get_cpu_type();
| for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
| if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
| printf("CPU: Renesas Electronics %s rev %d.%d\n",
| rmobile_cpuinfo[i].cpu_name,
| rmobile_get_cpu_rev_integer(),
| rmobile_get_cpu_rev_fraction());
| break;
| }
| }
| return 0;
| }
| #endif /* CONFIG_DISPLAY_CPUINFO */
|
|
