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- /* SPDX-License-Identifier: GPL-2.0 */
- /* linux/arch/arm/plat-s3c64xx/sleep.S
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * S3C64XX CPU sleep code
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- #include "map.h"
- #undef S3C64XX_VA_GPIO
- #define S3C64XX_VA_GPIO (0x0)
- #include "regs-gpio.h"
- #define LL_UART (S3C_PA_UART + (0x400 * CONFIG_S3C_LOWLEVEL_UART_PORT))
- .text
- /* Sleep magic, the word before the resume entry point so that the
- * bootloader can check for a resumeable image. */
- .word 0x2bedf00d
- /* s3c_cpu_reusme
- *
- * This is the entry point, stored by whatever method the bootloader
- * requires to get the kernel runnign again. This code expects to be
- * entered with no caches live and the MMU disabled. It will then
- * restore the MMU and other basic CP registers saved and restart
- * the kernel C code to finish the resume code.
- */
- ENTRY(s3c_cpu_resume)
- msr cpsr_c, #PSR_I_BIT | PSR_F_BIT | SVC_MODE
- ldr r2, =LL_UART /* for debug */
- b cpu_resume
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