src/soc/mediatek/common/mcupm.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <device/mmio.h>
   5 #include <soc/mcu_common.h>
   6 #include <soc/mcupm.h>
   7 #include <soc/symbols.h>
   8
   9 #define ABNORMALBOOT_REG        0x0C55FAA0
  10
  11 static void reset_mcupm(struct mtk_mcu *mcu)
  12 {
  13         /* Clear abnormal boot register */
  14         write32p(ABNORMALBOOT_REG, 0x0);
  15         write32(&mcupm_reg->sw_rstn, 0x1);
  16 }
  17
  18 static struct mtk_mcu mcupm = {
  19         .firmware_name = CONFIG_MCUPM_FIRMWARE,
  20         .run_address = (void *)MCUPM_SRAM_BASE,
  21         .reset = reset_mcupm,
  22 };
  23
  24 void mcupm_init(void)
  25 {
  26         mcupm.load_buffer = _dram_dma;
  27         mcupm.buffer_size = REGION_SIZE(dram_dma);
  28
  29         write32(&mcupm_reg->sw_rstn, 0x0);
  30
  31         if (mtk_init_mcu(&mcupm))
  32                 die("%s() failed\n", __func__);
  33 }