diff options
| -rw-r--r-- | arch/arc/lib/bootm.c | 30 | ||||
| -rw-r--r-- | arch/arc/lib/cache.c | 30 |
2 files changed, 30 insertions, 30 deletions
diff --git a/arch/arc/lib/bootm.c b/arch/arc/lib/bootm.c index 8a8d394..41408c2 100644 --- a/arch/arc/lib/bootm.c +++ b/arch/arc/lib/bootm.c @@ -8,42 +8,12 @@ #include <env.h> #include <image.h> #include <irq_func.h> -#include <lmb.h> #include <log.h> #include <asm/cache.h> #include <asm/global_data.h> DECLARE_GLOBAL_DATA_PTR; -static ulong get_sp(void) -{ - ulong ret; - - asm("mov %0, sp" : "=r"(ret) : ); - return ret; -} - -void arch_lmb_reserve(struct lmb *lmb) -{ - ulong sp; - - /* - * Booting a (Linux) kernel image - * - * Allocate space for command line and board info - the - * address should be as high as possible within the reach of - * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused - * memory, which means far enough below the current stack - * pointer. - */ - sp = get_sp(); - debug("## Current stack ends at 0x%08lx ", sp); - - /* adjust sp by 4K to be safe */ - sp -= 4096; - lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp)); -} - static int cleanup_before_linux(void) { disable_interrupts(); diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index f807cd8..4ba1804 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <linux/kernel.h> #include <linux/log2.h> +#include <lmb.h> #include <asm/arcregs.h> #include <asm/arc-bcr.h> #include <asm/cache.h> @@ -820,3 +821,32 @@ void sync_n_cleanup_cache_all(void) __ic_entire_invalidate(); } + +static ulong get_sp(void) +{ + ulong ret; + + asm("mov %0, sp" : "=r"(ret) : ); + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + ulong sp; + + /* + * Booting a (Linux) kernel image + * + * Allocate space for command line and board info - the + * address should be as high as possible within the reach of + * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused + * memory, which means far enough below the current stack + * pointer. + */ + sp = get_sp(); + debug("## Current stack ends at 0x%08lx ", sp); + + /* adjust sp by 4K to be safe */ + sp -= 4096; + lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp)); +} |