include/asm-arm/arch-omap/system.h

   1 /*
   2  * Copied from linux/include/asm-arm/arch-sa1100/system.h
   3  * Copyright (c) 1999 Nicolas Pitre <nico@cam.org>
   4  */
   5 #ifndef __ASM_ARCH_SYSTEM_H
   6 #define __ASM_ARCH_SYSTEM_H
   7 #include <linux/config.h>
   8 #include <asm/mach-types.h>
   9 #include <asm/arch/hardware.h>
  10 #include <asm/mach-types.h>
  11
  12 static inline void arch_idle(void)
  13 {
  14         cpu_do_idle();
  15 }
  16
  17 static inline void arch_reset(char mode)
  18 {
  19
  20 #ifdef CONFIG_ARCH_OMAP16XX
  21         /*
  22          * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
  23          * "Global Software Reset Affects Traffic Controller Frequency".
  24          */
  25         if (cpu_is_omap5912()) {
  26                 omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
  27                                  DPLL_CTL);
  28                 omap_writew(0x8, ARM_RSTCT1);
  29         }
  30 #endif
  31 #ifdef CONFIG_MACH_VOICEBLUE
  32         if (machine_is_voiceblue())
  33                 voiceblue_reset();
  34         else
  35 #endif
  36                 omap_writew(1, ARM_RSTCT1);
  37 }
  38
  39 #endif