add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/nios2/kernel/prom.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Device tree support
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  *
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@@ -7,47 +8,16 @@
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  * Based on MIPS support for CONFIG_OF device tree support
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  *
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  * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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- *
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  */
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 #include <linux/init.h>
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 #include <linux/types.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/of.h>
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 #include <linux/of_fdt.h>
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 #include <linux/io.h>
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 #include <asm/sections.h>
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-
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-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
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-{
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-	u64 kernel_start = (u64)virt_to_phys(_text);
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-
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-	if (!memory_size &&
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-	    (kernel_start >= base) && (kernel_start < (base + size)))
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-		memory_size = size;
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-
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-}
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-
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-int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
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-					     bool nomap)
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-{
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-	reserve_bootmem(base, size, BOOTMEM_DEFAULT);
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-	return 0;
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-}
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 void __init early_init_devtree(void *params)
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 {