diff options
author | David Brown <davidb@codeaurora.org> | 2011-03-16 22:13:16 -0700 |
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committer | David Brown <davidb@codeaurora.org> | 2011-03-16 22:13:16 -0700 |
commit | 92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch) | |
tree | 6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /arch/arm/mm/proc-xscale.S | |
parent | 8e76a80960bf06c245160a484d5a363ca6b520bb (diff) | |
parent | 05e34754518b6a90d5c392790c032575fab12d66 (diff) |
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits)
ARM: 6806/1: irq: introduce entry and exit functions for chained handlers
ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas
ARM: 6747/1: P2V: Thumb2 support
ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump
ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9
ARM: 6772/1: errata: possible fault MMU translations following an ASID switch
ARM: 6776/1: mach-ux500: activate fix for errata 753970
ARM: 6794/1: SPEAr: Append UL to device address macros.
ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files
ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros
ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code
ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry
ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci
ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h
ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.
ARM: 6681/1: SPEAr: add debugfs support to clk API
ARM: 6703/1: SPEAr: update clk API support
ARM: 6679/1: SPEAr: make clk API functions more generic
ARM: 6737/1: SPEAr: formalized timer support
...
Conflicts:
arch/arm/mach-msm/board-msm7x27.c
arch/arm/mach-msm/board-msm7x30.c
arch/arm/mach-msm/board-qsd8x50.c
arch/arm/mach-msm/board-sapphire.c
arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'arch/arm/mm/proc-xscale.S')
-rw-r--r-- | arch/arm/mm/proc-xscale.S | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 5a37c5e45c4..086038cd86a 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -513,11 +513,49 @@ ENTRY(cpu_xscale_set_pte_ext) xscale_set_pte_ext_epilogue mov pc, lr - .ltorg - .align +.globl cpu_xscale_suspend_size +.equ cpu_xscale_suspend_size, 4 * 7 +#ifdef CONFIG_PM +ENTRY(cpu_xscale_do_suspend) + stmfd sp!, {r4 - r10, lr} + mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode + mrc p15, 0, r5, c15, c1, 0 @ CP access reg + mrc p15, 0, r6, c13, c0, 0 @ PID + mrc p15, 0, r7, c3, c0, 0 @ domain ID + mrc p15, 0, r8, c2, c0, 0 @ translation table base addr + mrc p15, 0, r9, c1, c1, 0 @ auxiliary control reg + mrc p15, 0, r10, c1, c0, 0 @ control reg + bic r4, r4, #2 @ clear frequency change bit + stmia r0, {r4 - r10} @ store cp regs + ldmfd sp!, {r4 - r10, pc} +ENDPROC(cpu_xscale_do_suspend) + +ENTRY(cpu_xscale_do_resume) + ldmia r0, {r4 - r10} @ load cp regs + mov ip, #0 + mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs + mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB + mcr p14, 0, r4, c6, c0, 0 @ clock configuration, turbo mode. + mcr p15, 0, r5, c15, c1, 0 @ CP access reg + mcr p15, 0, r6, c13, c0, 0 @ PID + mcr p15, 0, r7, c3, c0, 0 @ domain ID + mcr p15, 0, r8, c2, c0, 0 @ translation table base addr + mcr p15, 0, r9, c1, c1, 0 @ auxiliary control reg + mov r0, r10 @ control register + mov r2, r8, lsr #14 @ get TTB0 base + mov r2, r2, lsl #14 + ldr r3, =PMD_TYPE_SECT | PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | PMD_SECT_AP_WRITE + b cpu_resume_mmu +ENDPROC(cpu_xscale_do_resume) +#else +#define cpu_xscale_do_suspend 0 +#define cpu_xscale_do_resume 0 +#endif + __CPUINIT .type __xscale_setup, #function @@ -565,6 +603,9 @@ ENTRY(xscale_processor_functions) .word cpu_xscale_dcache_clean_area .word cpu_xscale_switch_mm .word cpu_xscale_set_pte_ext + .word cpu_xscale_suspend_size + .word cpu_xscale_do_suspend + .word cpu_xscale_do_resume .size xscale_processor_functions, . - xscale_processor_functions .section ".rodata" |