src/soc/mediatek/common/sspm.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/mmio.h>
   4 #include <soc/mcu_common.h>
   5 #include <soc/sspm.h>
   6 #include <soc/symbols.h>
   7
   8 static void reset_sspm(struct mtk_mcu *mcu)
   9 {
  10         write32(&sspm_reg->sw_rstn, 0x1);
  11 }
  12
  13 static struct mtk_mcu sspm = {
  14         .firmware_name = CONFIG_SSPM_FIRMWARE,
  15         .run_address = (void *)SSPM_SRAM_BASE,
  16         .reset = reset_sspm,
  17 };
  18
  19 __weak void sspm_enable_sram(void)
  20 {
  21         /* do nothing. */
  22 }
  23
  24 void sspm_init(void)
  25 {
  26         sspm_enable_sram();
  27
  28         sspm.load_buffer = _dram_dma;
  29         sspm.buffer_size = REGION_SIZE(dram_dma);
  30
  31         mtk_init_mcu(&sspm);
  32 }