1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* linux/arch/arm/plat-s3c64xx/sleep.S
3 *
4 * Copyright 2008 Openmoko, Inc.
5 * Copyright 2008 Simtec Electronics
6 * Ben Dooks <ben@simtec.co.uk>
7 * http://armlinux.simtec.co.uk/
8 *
9 * S3C64XX CPU sleep code
10 */
11
12 #include <linux/linkage.h>
13 #include <asm/assembler.h>
14 #include "map.h"
15
16 #undef S3C64XX_VA_GPIO
17 #define S3C64XX_VA_GPIO (0x0)
18
19 #include "regs-gpio.h"
20
21 #define LL_UART (S3C_PA_UART + (0x400 * CONFIG
22
23 .text
24
25 /* Sleep magic, the word before the re
26 * bootloader can check for a resumeab
27
28 .word 0x2bedf00d
29
30 /* s3c_cpu_reusme
31 *
32 * This is the entry point, stored by
33 * requires to get the kernel runnign
34 * entered with no caches live and the
35 * restore the MMU and other basic CP
36 * the kernel C code to finish the res
37 */
38
39 ENTRY(s3c_cpu_resume)
40 msr cpsr_c, #PSR_I_BIT | PSR_F_BIT
41 ldr r2, =LL_UART /* for
42 b cpu_resume
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