arch/arm/mach-rpc/fiq.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/linkage.h>
   3 #include <asm/assembler.h>
   4 #include <mach/hardware.h>
   5
   6         .equ    ioc_base_high, IOC_BASE & 0xff000000
   7         .equ    ioc_base_low, IOC_BASE & 0x00ff0000
   8
   9         .text
  10         .global rpc_default_fiq_end
  11 ENTRY(rpc_default_fiq_start)
  12         mov     r12, #ioc_base_high
  13         .if     ioc_base_low
  14         orr     r12, r12, #ioc_base_low
  15         .endif
  16         strb    r12, [r12, #0x38]       @ Disable FIQ register
  17         subs    pc, lr, #4
  18 rpc_default_fiq_end: