diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mm/init.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mm/init.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/init.c b/ANDROID_3.4.5/arch/arm/mm/init.c index 8f5813bb..b7f9a479 100644 --- a/ANDROID_3.4.5/arch/arm/mm/init.c +++ b/ANDROID_3.4.5/arch/arm/mm/init.c @@ -20,7 +20,7 @@ #include <linux/highmem.h> #include <linux/gfp.h> #include <linux/memblock.h> - +#include <linux/suspend.h> #include <asm/mach-types.h> #include <asm/memblock.h> #include <asm/prom.h> @@ -155,7 +155,8 @@ static void __init arm_bootmem_init(unsigned long start_pfn, unsigned int boot_pages; phys_addr_t bitmap; pg_data_t *pgdat; - + /*u32 uboot_start; + u32 uboot_end; */ /* * Allocate the bootmem bitmap page. This must be in a region * of memory which has already been mapped. @@ -198,6 +199,21 @@ static void __init arm_bootmem_init(unsigned long start_pfn, reserve_bootmem(__pfn_to_phys(start), (end - start) << PAGE_SHIFT, BOOTMEM_DEFAULT); } + + #if 0/*not needed in kernel resume path.*/ + /* + FIXME: This is hard-coded for WM3498 EVB. + Mark u-boot used memory section as nosave. + Thus, there will be no data needs to be restore to this area + so that u-boot code/data will not be overwritten during restoring + hibernation image from u-boot cmd_swsusp.c. + */ + uboot_start = 0x3C00000; //start: 60MB + uboot_end = 0x4100000; //end: 65MB + reserve_bootmem_node(pgdat, uboot_start, uboot_end - uboot_start, + BOOTMEM_DEFAULT);//Lch + register_nosave_region(uboot_start>>PAGE_SHIFT,uboot_end>>PAGE_SHIFT);//Lch + #endif } #ifdef CONFIG_ZONE_DMA |