arch/arm/mach-s5pc1xx/reset.S

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 2009 Samsung Electronics.
   4  * Minkyu Kang <mk7.kang@samsung.com>
   5  */
   6
   7 #include <asm/arch/cpu.h>
   8 #include <linux/linkage.h>
   9
  10 #define S5PC100_SWRESET                 0xE0200000
  11 #define S5PC110_SWRESET                 0xE0102000
  12
  13 ENTRY(reset_cpu)
  14         ldr     r1, =S5PC100_PRO_ID
  15         ldr     r2, [r1]
  16         ldr     r4, =0x00010000
  17         and     r4, r2, r4
  18         cmp     r4, #0
  19         bne     110f
  20         /* S5PC100 */
  21         ldr     r1, =S5PC100_SWRESET
  22         ldr     r2, =0xC100
  23         b       200f
  24 110:    /* S5PC110 */
  25         ldr     r1, =S5PC110_SWRESET
  26         mov     r2, #1
  27 200:
  28         str     r2, [r1]
  29 _loop_forever:
  30         b       _loop_forever
  31 ENDPROC(reset_cpu)