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https://github.com/AsahiLinux/u-boot
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fafcfc5a98
Renesas R8A7794 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>
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
/*
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* (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
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* (C) Copyright 2012 Renesas Solutions Corp.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#ifdef CONFIG_ARCH_CPU_INIT
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int arch_cpu_init(void)
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{
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icache_enable();
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return 0;
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}
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#endif
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#ifndef CONFIG_SYS_DCACHE_OFF
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void enable_caches(void)
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{
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dcache_enable();
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}
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#endif
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#ifdef CONFIG_DISPLAY_CPUINFO
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static u32 __rmobile_get_cpu_type(void)
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{
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return 0x0;
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}
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u32 rmobile_get_cpu_type(void)
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__attribute__((weak, alias("__rmobile_get_cpu_type")));
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static u32 __rmobile_get_cpu_rev_integer(void)
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{
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return 0;
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}
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u32 rmobile_get_cpu_rev_integer(void)
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__attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));
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static u32 __rmobile_get_cpu_rev_fraction(void)
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{
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return 0;
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}
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u32 rmobile_get_cpu_rev_fraction(void)
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__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
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/* CPU infomation table */
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static const struct {
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u16 cpu_type;
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u8 cpu_name[10];
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} rmobile_cpuinfo[] = {
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{ 0x37, "SH73A0" },
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{ 0x40, "R8A7740" },
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{ 0x45, "R8A7790" },
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{ 0x47, "R8A7791" },
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{ 0x4C, "R8A7794" },
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{ 0x0, "CPU" },
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};
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int print_cpuinfo(void)
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{
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int i = 0;
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u32 cpu_type = rmobile_get_cpu_type();
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for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
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if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
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printf("CPU: Renesas Electronics %s rev %d.%d\n",
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rmobile_cpuinfo[i].cpu_name,
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rmobile_get_cpu_rev_integer(),
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rmobile_get_cpu_rev_fraction());
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break;
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}
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}
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return 0;
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}
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#endif /* CONFIG_DISPLAY_CPUINFO */
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