From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/arch/powerpc/mm/init_32.c | 36 ++++++++++++++----------------------
1 files changed, 14 insertions(+), 22 deletions(-)
diff --git a/kernel/arch/powerpc/mm/init_32.c b/kernel/arch/powerpc/mm/init_32.c
index 3e59e5d..02c7db4 100644
--- a/kernel/arch/powerpc/mm/init_32.c
+++ b/kernel/arch/powerpc/mm/init_32.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PowerPC version
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
@@ -9,12 +10,6 @@
*
* Derived from "arch/i386/mm/init.c"
* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/module.h>
@@ -34,10 +29,8 @@
#include <linux/slab.h>
#include <linux/hugetlb.h>
-#include <asm/pgalloc.h>
#include <asm/prom.h>
#include <asm/io.h>
-#include <asm/pgtable.h>
#include <asm/mmu.h>
#include <asm/smp.h>
#include <asm/machdep.h>
@@ -45,8 +38,10 @@
#include <asm/tlb.h>
#include <asm/sections.h>
#include <asm/hugetlb.h>
+#include <asm/kup.h>
+#include <asm/kasan.h>
-#include "mmu_decl.h"
+#include <mm/mmu_decl.h>
#if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
/* The amount of lowmem must be within 0xF0000000 - KERNELBASE. */
@@ -58,11 +53,6 @@
phys_addr_t total_memory;
phys_addr_t total_lowmem;
-
-phys_addr_t memstart_addr = (phys_addr_t)~0ull;
-EXPORT_SYMBOL(memstart_addr);
-phys_addr_t kernstart_addr;
-EXPORT_SYMBOL(kernstart_addr);
#ifdef CONFIG_RELOCATABLE
/* Used in __va()/__pa() */
@@ -104,16 +94,14 @@
if (strstr(boot_command_line, "noltlbs")) {
__map_without_ltlbs = 1;
}
- if (debug_pagealloc_enabled()) {
- __map_without_bats = 1;
+ if (IS_ENABLED(CONFIG_PPC_8xx))
+ return;
+
+ if (debug_pagealloc_enabled())
__map_without_ltlbs = 1;
- }
-#ifdef CONFIG_STRICT_KERNEL_RWX
- if (rodata_enabled) {
- __map_without_bats = 1;
+
+ if (strict_kernel_rwx_enabled())
__map_without_ltlbs = 1;
- }
-#endif
}
/*
@@ -182,6 +170,10 @@
btext_unmap();
#endif
+ kasan_mmu_init();
+
+ setup_kup();
+
/* Shortly after that, the entire linear mapping will be available */
memblock_set_current_limit(lowmem_end_addr);
}
--
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