diff options
Diffstat (limited to 'arch/loongarch/power/suspend_asm.S')
| -rw-r--r-- | arch/loongarch/power/suspend_asm.S | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/loongarch/power/suspend_asm.S b/arch/loongarch/power/suspend_asm.S index e2fc3b4e31f0..df0865df26fa 100644 --- a/arch/loongarch/power/suspend_asm.S +++ b/arch/loongarch/power/suspend_asm.S @@ -30,9 +30,6 @@ st.d $r29, sp, PT_R29 st.d $r30, sp, PT_R30 st.d $r31, sp, PT_R31 - - la.pcrel t0, acpi_saved_sp - st.d sp, t0, 0 .endm .macro SETUP_WAKEUP @@ -51,6 +48,7 @@ ld.d $r29, sp, PT_R29 ld.d $r30, sp, PT_R30 ld.d $r31, sp, PT_R31 + addi.d sp, sp, PT_SIZE .endm .text @@ -59,6 +57,10 @@ /* Sleep/wakeup code for Loongson-3 */ SYM_FUNC_START(loongarch_suspend_enter) SETUP_SLEEP + + la.pcrel t0, acpi_saved_sp + st.d sp, t0, 0 + bl __flush_cache_all /* Pass RA and SP to BIOS */ @@ -66,18 +68,14 @@ SYM_FUNC_START(loongarch_suspend_enter) la.pcrel a0, loongarch_wakeup_start la.pcrel t0, loongarch_suspend_addr ld.d t0, t0, 0 - jirl a0, t0, 0 /* Call BIOS's STR sleep routine */ + jirl ra, t0, 0 /* Call BIOS's STR sleep routine */ /* * This is where we return upon wakeup. * Reload all of the registers and return. */ SYM_INNER_LABEL(loongarch_wakeup_start, SYM_L_GLOBAL) - li.d t0, CSR_DMW0_INIT # UC, PLV0 - csrwr t0, LOONGARCH_CSR_DMWIN0 - li.d t0, CSR_DMW1_INIT # CA, PLV0 - csrwr t0, LOONGARCH_CSR_DMWIN1 - + SETUP_DMWINS t0 JUMP_VIRT_ADDR t0, t1 /* Enable PG */ @@ -86,7 +84,7 @@ SYM_INNER_LABEL(loongarch_wakeup_start, SYM_L_GLOBAL) la.pcrel t0, acpi_saved_sp ld.d sp, t0, 0 + SETUP_WAKEUP - addi.d sp, sp, PT_SIZE jr ra SYM_FUNC_END(loongarch_suspend_enter) |