arch/arm/mach-rockchip/headsmp.S

   1 /*
   2  * Copyright (c) 2013 MundoReader S.L.
   3  * Author: Heiko Stuebner <heiko@sntech.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15 #include <linux/linkage.h>
  16 #include <linux/init.h>
  17
  18 ENTRY(rockchip_secondary_startup)
  19         mrc     p15, 0, r0, c0, c0, 0   @ read main ID register
  20         ldr     r1, =0x00000c09         @ Cortex-A9 primary part number
  21         teq     r0, r1
  22         beq     v7_invalidate_l1
  23         b       secondary_startup
  24 ENDPROC(rockchip_secondary_startup)
  25
  26 ENTRY(rockchip_secondary_trampoline)
  27         ldr     pc, 1f
  28 ENDPROC(rockchip_secondary_trampoline)
  29         .globl  rockchip_boot_fn
  30 rockchip_boot_fn:
  31 1:      .space  4
  32
  33 ENTRY(rockchip_secondary_trampoline_end)