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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
- * (C) Copyright 2012 Renesas Solutions Corp.
- */
- #include <common.h>
- #include <cpu_func.h>
- #include <asm/cache.h>
- #include <init.h>
- #include <asm/io.h>
- #include <env.h>
- #include <linux/ctype.h>
- #ifdef CONFIG_ARCH_CPU_INIT
- int arch_cpu_init(void)
- {
- icache_enable();
- return 0;
- }
- #endif
- /* R-Car Gen3 D-cache is enabled in memmap-gen3.c */
- #ifndef CONFIG_RCAR_GEN3
- #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
- void enable_caches(void)
- {
- dcache_enable();
- }
- #endif
- #endif
- #ifdef CONFIG_DISPLAY_CPUINFO
- #ifndef CONFIG_RZA1
- 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[] = {
- { RMOBILE_CPU_TYPE_SH73A0, "SH73A0" },
- { RMOBILE_CPU_TYPE_R8A7740, "R8A7740" },
- { RMOBILE_CPU_TYPE_R8A7790, "R8A7790" },
- { RMOBILE_CPU_TYPE_R8A7791, "R8A7791" },
- { RMOBILE_CPU_TYPE_R8A7792, "R8A7792" },
- { RMOBILE_CPU_TYPE_R8A7793, "R8A7793" },
- { RMOBILE_CPU_TYPE_R8A7794, "R8A7794" },
- { RMOBILE_CPU_TYPE_R8A7795, "R8A7795" },
- { RMOBILE_CPU_TYPE_R8A7796, "R8A7796" },
- { RMOBILE_CPU_TYPE_R8A77965, "R8A77965" },
- { RMOBILE_CPU_TYPE_R8A77970, "R8A77970" },
- { RMOBILE_CPU_TYPE_R8A77980, "R8A77980" },
- { RMOBILE_CPU_TYPE_R8A77990, "R8A77990" },
- { RMOBILE_CPU_TYPE_R8A77995, "R8A77995" },
- { 0x0, "CPU" },
- };
- static int rmobile_cpuinfo_idx(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)
- break;
- return i;
- }
- #ifdef CONFIG_ARCH_MISC_INIT
- int arch_misc_init(void)
- {
- int i, idx = rmobile_cpuinfo_idx();
- char cpu[10] = { 0 };
- for (i = 0; i < sizeof(cpu); i++)
- cpu[i] = tolower(rmobile_cpuinfo[idx].cpu_name[i]);
- env_set("platform", cpu);
- return 0;
- }
- #endif
- int print_cpuinfo(void)
- {
- int i = rmobile_cpuinfo_idx();
- printf("CPU: Renesas Electronics %s rev %d.%d\n",
- rmobile_cpuinfo[i].cpu_name, rmobile_get_cpu_rev_integer(),
- rmobile_get_cpu_rev_fraction());
- return 0;
- }
- #else
- int print_cpuinfo(void)
- {
- printf("CPU: Renesas Electronics RZ/A1\n");
- return 0;
- }
- #endif
- #endif /* CONFIG_DISPLAY_CPUINFO */
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