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d1f072aa25
In order for RMOBILE_CPU_TYPE_R9A07G044L to be defined we need to include <mach/rmobile.h> here. Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Signed-off-by: Tom Rini <trini@konsulko.com>
64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2021,2023 Renesas Electronics Corporation
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*
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*/
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#include <mach/rmobile.h>
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#include <asm/io.h>
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#include <linux/libfdt.h>
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#define SYSC_LSI_DEVID 0x11020A04
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/* If the firmware passed a device tree, use it for soc identification. */
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extern u64 rcar_atf_boot_args[];
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/* CPU information table */
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struct tfa_info {
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const char *soc_name;
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const char *cpu_name;
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u32 cpu_type;
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};
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static const struct tfa_info tfa_info[] = {
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{ "renesas,r9a07g044l2", "R9A07G044L", RMOBILE_CPU_TYPE_R9A07G044L },
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};
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static const struct tfa_info invalid_tfa_info = { NULL, "(invalid)", 0 };
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static const struct tfa_info *get_tfa_info(void)
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{
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void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
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if (fdt_magic(atf_fdt_blob) == FDT_MAGIC) {
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(tfa_info); i++) {
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if (!fdt_node_check_compatible(atf_fdt_blob, 0,
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tfa_info[i].soc_name))
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return &tfa_info[i];
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}
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}
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return &invalid_tfa_info;
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}
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const u8 *rzg_get_cpu_name(void)
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{
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return get_tfa_info()->cpu_name;
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}
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u32 rmobile_get_cpu_type(void)
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{
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return get_tfa_info()->cpu_type;
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}
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u32 rmobile_get_cpu_rev_integer(void)
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{
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return (readl(SYSC_LSI_DEVID) >> 28) + 1;
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}
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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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