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2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/arch/arm/mach-mmp/common.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/arch/arm/mach-mmp/common.c
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  *
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  *  Code common to PXA168 processor lines
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/init.h>
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@@ -16,11 +13,11 @@
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 #include <asm/mach/map.h>
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 #include <asm/system_misc.h>
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 #include "addr-map.h"
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-#include "cputype.h"
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+#include <linux/soc/mmp/cputype.h>
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 #include "common.h"
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-#define MMP_CHIPID	(AXI_VIRT_BASE + 0x82c00)
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+#define MMP_CHIPID	CIU_REG(0x00)
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 unsigned int mmp_chip_id;
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 EXPORT_SYMBOL(mmp_chip_id);
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@@ -39,6 +36,15 @@
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 	},
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 };
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+static struct map_desc mmp2_io_desc[] __initdata = {
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+	{
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+		.pfn		= __phys_to_pfn(PGU_PHYS_BASE),
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+		.virtual	= (unsigned long)PGU_VIRT_BASE,
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+		.length		= PGU_PHYS_SIZE,
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+		.type		= MT_DEVICE,
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+	},
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+};
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+
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 void __init mmp_map_io(void)
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 {
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 	iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
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@@ -47,6 +53,12 @@
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 	mmp_chip_id = __raw_readl(MMP_CHIPID);
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 }
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+void __init mmp2_map_io(void)
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+{
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+	mmp_map_io();
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+	iotable_init(mmp2_io_desc, ARRAY_SIZE(mmp2_io_desc));
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+}
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+
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 void mmp_restart(enum reboot_mode mode, const char *cmd)
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 {
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 	soft_restart(0);