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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c44e182e53
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* sh73a0 processor support
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*
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* Copyright (C) 2010 Takashi Yoshii
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2008 Yoshihiro Shimoda
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/mach/map.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include "common.h"
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#include "sh73a0.h"
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static struct map_desc sh73a0_io_desc[] __initdata = {
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/* create a 1:1 identity mapping for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init sh73a0_map_io(void)
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{
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debug_ll_io_init();
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iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
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}
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static void __init sh73a0_generic_init(void)
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{
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#ifdef CONFIG_CACHE_L2X0
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/* Shared attribute override enable, 64K*8way */
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l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
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#endif
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}
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static const char *const sh73a0_boards_compat_dt[] __initconst = {
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"renesas,sh73a0",
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NULL,
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};
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DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
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.smp = smp_ops(sh73a0_smp_ops),
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.map_io = sh73a0_map_io,
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.init_early = shmobile_init_delay,
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.init_machine = sh73a0_generic_init,
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.init_late = shmobile_init_late,
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.dt_compat = sh73a0_boards_compat_dt,
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MACHINE_END
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