5497e7b896
* late/fixes: ARM: OMAP2+: Fix unmet direct dependencies for SERIAL_OMAP ARM: ux500: always select ABX500_CORE ARM: SIRF: select SMP_ON_UP only on SMP builds ARM: SPEAr: conditionalize l2x0 support ARM: imx: build CPU suspend code only when needed ARM: OMAP: build SMP code only for OMAP4/5 ARM: tegra: Tegra114 needs CPU_FREQ_TABLE ARM: default machine descriptor for multiplatform Signed-off-by: Olof Johansson <olof@lixom.net>
60 lines
1.3 KiB
ArmAsm
60 lines
1.3 KiB
ArmAsm
/*
|
|
* Copyright 2011 Freescale Semiconductor, Inc.
|
|
* Copyright 2011 Linaro Ltd.
|
|
*
|
|
* The code contained herein is licensed under the GNU General Public
|
|
* License. You may obtain a copy of the GNU General Public License
|
|
* Version 2 or later at the following locations:
|
|
*
|
|
* http://www.opensource.org/licenses/gpl-license.html
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
#include <linux/init.h>
|
|
#include <asm/asm-offsets.h>
|
|
#include <asm/hardware/cache-l2x0.h>
|
|
|
|
.section ".text.head", "ax"
|
|
|
|
#ifdef CONFIG_SMP
|
|
ENTRY(v7_secondary_startup)
|
|
bl v7_invalidate_l1
|
|
b secondary_startup
|
|
ENDPROC(v7_secondary_startup)
|
|
#endif
|
|
|
|
#ifdef CONFIG_ARM_CPU_SUSPEND
|
|
/*
|
|
* The following code must assume it is running from physical address
|
|
* where absolute virtual addresses to the data section have to be
|
|
* turned into relative ones.
|
|
*/
|
|
|
|
#ifdef CONFIG_CACHE_L2X0
|
|
.macro pl310_resume
|
|
adr r0, l2x0_saved_regs_offset
|
|
ldr r2, [r0]
|
|
add r2, r2, r0
|
|
ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0
|
|
ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value
|
|
str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl
|
|
mov r1, #0x1
|
|
str r1, [r0, #L2X0_CTRL] @ re-enable L2
|
|
.endm
|
|
|
|
l2x0_saved_regs_offset:
|
|
.word l2x0_saved_regs - .
|
|
|
|
#else
|
|
.macro pl310_resume
|
|
.endm
|
|
#endif
|
|
|
|
ENTRY(v7_cpu_resume)
|
|
bl v7_invalidate_l1
|
|
pl310_resume
|
|
b cpu_resume
|
|
ENDPROC(v7_cpu_resume)
|
|
#endif
|