mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 01:34:14 +08:00
7175f80ba3
Commit6f6f6a7"ARM: create a common IOMEM definition" moved macro IOMEM(), and requires users to include <asm/assembler.h>. Fix Tegra's sleep.S to do so. This fixes: arch/arm/mach-tegra/sleep.S: Assembler messages: arch/arm/mach-tegra/sleep.S:77: Error: missing ')' arch/arm/mach-tegra/sleep.S:77: Error: garbage following instruction -- `movw r0,#:lower16:(0x60007000-0x60000000+IOMEM(0xFE200000))' Note: This only shows up after0a25893"ARM: tegra: update defconfig" Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
94 lines
2.5 KiB
ArmAsm
94 lines
2.5 KiB
ArmAsm
/*
|
|
* arch/arm/mach-tegra/sleep.S
|
|
*
|
|
* Copyright (c) 2010-2011, NVIDIA Corporation.
|
|
* Copyright (c) 2011, Google, Inc.
|
|
*
|
|
* Author: Colin Cross <ccross@android.com>
|
|
* Gary King <gking@nvidia.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
#include <asm/assembler.h>
|
|
|
|
#include <mach/iomap.h>
|
|
|
|
#include "flowctrl.h"
|
|
|
|
#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \
|
|
+ IO_PPSB_VIRT)
|
|
|
|
/* returns the offset of the flow controller halt register for a cpu */
|
|
.macro cpu_to_halt_reg rd, rcpu
|
|
cmp \rcpu, #0
|
|
subne \rd, \rcpu, #1
|
|
movne \rd, \rd, lsl #3
|
|
addne \rd, \rd, #0x14
|
|
moveq \rd, #0
|
|
.endm
|
|
|
|
/* returns the offset of the flow controller csr register for a cpu */
|
|
.macro cpu_to_csr_reg rd, rcpu
|
|
cmp \rcpu, #0
|
|
subne \rd, \rcpu, #1
|
|
movne \rd, \rd, lsl #3
|
|
addne \rd, \rd, #0x18
|
|
moveq \rd, #8
|
|
.endm
|
|
|
|
/* returns the ID of the current processor */
|
|
.macro cpu_id, rd
|
|
mrc p15, 0, \rd, c0, c0, 5
|
|
and \rd, \rd, #0xF
|
|
.endm
|
|
|
|
/* loads a 32-bit value into a register without a data access */
|
|
.macro mov32, reg, val
|
|
movw \reg, #:lower16:\val
|
|
movt \reg, #:upper16:\val
|
|
.endm
|
|
|
|
/*
|
|
* tegra_cpu_wfi
|
|
*
|
|
* puts current CPU in clock-gated wfi using the flow controller
|
|
*
|
|
* corrupts r0-r3
|
|
* must be called with MMU on
|
|
*/
|
|
|
|
ENTRY(tegra_cpu_wfi)
|
|
cpu_id r0
|
|
cpu_to_halt_reg r1, r0
|
|
cpu_to_csr_reg r2, r0
|
|
mov32 r0, TEGRA_FLOW_CTRL_VIRT
|
|
mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
|
|
str r3, [r0, r2] @ clear event & interrupt status
|
|
mov r3, #FLOW_CTRL_WAIT_FOR_INTERRUPT | FLOW_CTRL_JTAG_RESUME
|
|
str r3, [r0, r1] @ put flow controller in wait irq mode
|
|
dsb
|
|
wfi
|
|
mov r3, #0
|
|
str r3, [r0, r1] @ clear flow controller halt status
|
|
mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
|
|
str r3, [r0, r2] @ clear event & interrupt status
|
|
dsb
|
|
mov pc, lr
|
|
ENDPROC(tegra_cpu_wfi)
|
|
|