diff options
Diffstat (limited to 'arch/h8300/kernel/head_ram.S')
| -rw-r--r-- | arch/h8300/kernel/head_ram.S | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/h8300/kernel/head_ram.S b/arch/h8300/kernel/head_ram.S deleted file mode 100644 index dbf8429f5fab..000000000000 --- a/arch/h8300/kernel/head_ram.S +++ /dev/null @@ -1,61 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -#include <linux/sys.h> -#include <linux/init.h> -#include <asm/unistd.h> -#include <asm/setup.h> -#include <asm/segment.h> -#include <asm/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/errno.h> - -#if defined(CONFIG_CPU_H8300H) - .h8300h -#define SYSCR 0xfee012 -#define IRAMTOP 0xffff20 -#endif -#if defined(CONFIG_CPU_H8S) - .h8300s -#define INTCR 0xffff31 -#define IRAMTOP 0xffc000 -#endif - - __HEAD - .global _start -_start: - mov.l #IRAMTOP,sp - /* .bss clear */ - mov.l #_sbss,er5 - mov.l #_ebss,er4 - sub.l er5,er4 - shlr er4 - shlr er4 - sub.l er2,er2 -1: - mov.l er2,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - jsr @h8300_fdt_init - - /* linux kernel start */ -#if defined(CONFIG_CPU_H8300H) - ldc #0xd0,ccr /* running kernel */ - mov.l #SYSCR,er0 - bclr #3,@er0 -#endif -#if defined(CONFIG_CPU_H8S) - ldc #0x07,exr - bclr #4,@INTCR:8 - bset #5,@INTCR:8 /* Interrupt mode 2 */ - ldc #0x90,ccr /* running kernel */ -#endif - mov.l #init_thread_union,sp - add.l #0x2000,sp - jsr @start_kernel - -1: - bra 1b - - .end |