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https://github.com/brain-hackers/u-boot-brain
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Renesas R8A7791 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> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Albert Aribaud <albert.u.boot@aribaud.net>
80 lines
1.7 KiB
C
80 lines
1.7 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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int print_cpuinfo(void)
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{
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switch (rmobile_get_cpu_type()) {
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case 0x37:
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printf("CPU: Renesas Electronics SH73A0 rev %d.%d\n",
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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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case 0x40:
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printf("CPU: Renesas Electronics R8A7740 rev %d.%d\n",
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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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case 0x45:
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printf("CPU: Renesas Electronics R8A7790 rev %d\n",
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rmobile_get_cpu_rev_integer());
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break;
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case 0x47:
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printf("CPU: Renesas Electronics R8A7791 rev %d\n",
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rmobile_get_cpu_rev_integer());
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break;
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default:
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printf("CPU: Renesas Electronics CPU rev %d.%d\n",
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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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return 0;
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}
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#endif /* CONFIG_DISPLAY_CPUINFO */
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