src/mainboard/google/mistral/reset.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/mmio.h>
   4 #include <reset.h>
   5
   6 #define GCNT_PSHOLD                     ((void *)0x004AB000u)
   7 #define TCSR_BOOT_MISC_DETECT           ((void *)0x0193D100)
   8 #define TCSR_RESET_DEBUG_SW_ENTRY       ((void *)0x01940000)
   9
  10 void do_board_reset(void)
  11 {
  12         /*
  13          * At boot time the boot loaders would have set a magic cookie
  14          * here to detect watchdog reset. However, since this is a
  15          * normal reset clear the magic numbers.
  16          */
  17         write32(TCSR_BOOT_MISC_DETECT, 0);
  18         write32(TCSR_RESET_DEBUG_SW_ENTRY, 0);
  19         write32(GCNT_PSHOLD, 0);
  20 }