diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/head.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 3bf0c7f8b04..72a63f1e932 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -254,6 +254,7 @@ __create_page_tables: /* * Then map boot params address in r2 or the first 1MB (2MB with LPAE) * of ram if boot params address is not specified. + * We map 2 sections in case the ATAGs/DTB crosses a section boundary. */ mov r0, r2, lsr #SECTION_SHIFT movs r0, r0, lsl #SECTION_SHIFT @@ -262,6 +263,8 @@ __create_page_tables: add r3, r3, #PAGE_OFFSET add r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER) orr r6, r7, r0 + str r6, [r3], #1 << PMD_ORDER + add r6, r6, #1 << SECTION_SHIFT str r6, [r3] #ifdef CONFIG_DEBUG_LL |