diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S')
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S b/arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S deleted file mode 100644 index 5d888ef53d8..00000000000 --- a/arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S +++ /dev/null @@ -1,125 +0,0 @@ -/* - * arch/sh/kernel/cpu/sh4a/sleep-sh_mobile.S - * - * Sleep mode and Standby modes support for SuperH Mobile - * - * Copyright (C) 2009 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/sys.h> -#include <linux/errno.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/suspend.h> - -/* manage self-refresh and enter standby mode. - * this code will be copied to on-chip memory and executed from there. - */ - - .balign 4096,0,4096 -ENTRY(sh_mobile_standby) - mov r4, r0 - - tst #SUSP_SH_SF, r0 - bt skip_set_sf - - /* SDRAM: disable power down and put in self-refresh mode */ - mov.l 1f, r4 - mov.l 2f, r1 - mov.l @r4, r2 - or r1, r2 - mov.l 3f, r3 - and r3, r2 - mov.l r2, @r4 - -skip_set_sf: - tst #SUSP_SH_SLEEP, r0 - bt test_standby - - /* set mode to "sleep mode" */ - bra do_sleep - mov #0x00, r1 - -test_standby: - tst #SUSP_SH_STANDBY, r0 - bt test_rstandby - - /* set mode to "software standby mode" */ - bra do_sleep - mov #0x80, r1 - -test_rstandby: - tst #SUSP_SH_RSTANDBY, r0 - bt test_ustandby - - /* set mode to "r-standby mode" */ - bra do_sleep - mov #0x20, r1 - -test_ustandby: - tst #SUSP_SH_USTANDBY, r0 - bt done_sleep - - /* set mode to "u-standby mode" */ - mov #0x10, r1 - - /* fall-through */ - -do_sleep: - /* setup and enter selected standby mode */ - mov.l 5f, r4 - mov.l r1, @r4 - sleep - -done_sleep: - /* reset standby mode to sleep mode */ - mov.l 5f, r4 - mov #0x00, r1 - mov.l r1, @r4 - - tst #SUSP_SH_SF, r0 - bt skip_restore_sf - - /* SDRAM: set auto-refresh mode */ - mov.l 1f, r4 - mov.l @r4, r2 - mov.l 4f, r3 - and r3, r2 - mov.l r2, @r4 - mov.l 6f, r4 - mov.l 7f, r1 - mov.l 8f, r2 - mov.l @r4, r3 - mov #-1, r4 - add r4, r3 - or r2, r3 - mov.l r3, @r1 -skip_restore_sf: - rts - nop - - .balign 4 -1: .long 0xfe400008 /* SDCR0 */ -2: .long 0x00000400 -3: .long 0xffff7fff -4: .long 0xfffffbff -5: .long 0xa4150020 /* STBCR */ -6: .long 0xfe40001c /* RTCOR */ -7: .long 0xfe400018 /* RTCNT */ -8: .long 0xa55a0000 - -/* interrupt vector @ 0x600 */ - .balign 0x400,0,0x400 - .long 0xdeadbeef - .balign 0x200,0,0x200 - /* sh7722 will end up here in sleep mode */ - rte - nop -sh_mobile_standby_end: - -ENTRY(sh_mobile_standby_size) - .long sh_mobile_standby_end - sh_mobile_standby |