drivers/misc/mediatek/mrdump/mt8127/mrdump_setup.c

   1 #include <asm/page.h>
   2 #include <asm/io.h>
   3 #include <mach/mt_reg_base.h>
   4 #include <mach/wd_api.h>
   5 #include <linux/memblock.h>
   6 #include <linux/mrdump.h>
   7 #include <linux/reboot.h>
   8
   9 #define MRDUMP_CB_ADDR 0x81F00000
  10 #define MRDUMP_CB_SIZE 0x1000
  11
  12 #define LK_LOAD_ADDR 0x81E00000
  13 #define LK_LOAD_SIZE 0x100000
  14
  15 static void mrdump_hw_enable(bool enabled)
  16 {
  17 }
  18
  19 static void mrdump_reboot(void)
  20 {
  21         emergency_restart();
  22 }
  23
  24 const struct mrdump_platform mrdump_mt6582_platform = {
  25         .hw_enable = mrdump_hw_enable,
  26         .reboot = mrdump_reboot
  27 };
  28
  29 void mrdump_reserve_memory(void)
  30 {
  31         struct mrdump_control_block *cblock = NULL;
  32
  33         /* We must reserved the lk block, can we pass it from lk? */
  34         memblock_reserve(LK_LOAD_ADDR, LK_LOAD_SIZE);
  35
  36         memblock_reserve(MRDUMP_CB_ADDR, PAGE_ALIGN(sizeof(struct mrdump_control_block)));
  37         cblock = (struct mrdump_control_block *)__va(MRDUMP_CB_ADDR);
  38
  39         mrdump_platform_init(cblock, &mrdump_mt6582_platform);
  40 }