add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/mips/netlogic/xlp/setup.c
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@@ -34,6 +34,7 @@
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 #include <linux/kernel.h>
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 #include <linux/of_fdt.h>
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+#include <linux/memblock.h>
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 #include <asm/idle.h>
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 #include <asm/reboot.h>
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@@ -67,12 +68,11 @@
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 static void nlm_fixup_mem(void)
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 {
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 	const int pref_backup = 512;
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-	int i;
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+	struct memblock_region *mem;
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-	for (i = 0; i < boot_mem_map.nr_map; i++) {
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-		if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
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-			continue;
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-		boot_mem_map.map[i].size -= pref_backup;
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+	for_each_mem_region(mem) {
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+		memblock_remove(mem->base + mem->size - pref_backup,
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+			pref_backup);
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 	}
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 }
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@@ -89,7 +89,7 @@
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 		if (map[i] > 0x10000000 && map[i] < 0x20000000)
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 			map[i] = 0x20000000;
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-		add_memory_region(map[i], map[i+1] - map[i], BOOT_MEM_RAM);
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+		memblock_add(map[i], map[i+1] - map[i]);
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 	}
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 }
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@@ -110,7 +110,7 @@
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 	/* memory and bootargs from DT */
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 	xlp_early_init_devtree();
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-	if (boot_mem_map.nr_map == 0) {
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+	if (memblock_end_of_DRAM() == 0) {
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 		pr_info("Using DRAM BARs for memory map.\n");
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 		xlp_init_mem_from_bars();
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 	}