src/soc/mediatek/mt8186/mtcmos.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/mmio.h>
   4 #include <soc/infracfg.h>
   5 #include <soc/mtcmos.h>
   6 #include <soc/spm.h>
   7
   8 enum {
   9         DISP_PROT_STEP_2_MASK           = 0x00000C06,
  10         DISP_PROT_STEP_1_MASK           = 0x00001800,
  11 };
  12
  13 enum {
  14         TOP_AXI_PROT_EN_3_ADSP_TOP_STEP1        = 0x00001800,
  15         TOP_AXI_PROT_EN_3_ADSP_TOP_STEP2        = 0x00000003,
  16 };
  17
  18 void mtcmos_adsp_power_on(void)
  19 {
  20         int i;
  21
  22         for (i = 0; i < ARRAY_SIZE(adsp); i++)
  23                 mtcmos_power_on(&adsp[i]);
  24 }
  25
  26 void mtcmos_protect_display_bus(void)
  27 {
  28         write32(&mt8186_infracfg_ao->infra_topaxi_protecten_clr,
  29                 DISP_PROT_STEP_2_MASK);
  30         write32(&mt8186_infracfg_ao->infra_topaxi_protecten_1_clr,
  31                 DISP_PROT_STEP_1_MASK);
  32 }
  33
  34 void mtcmos_protect_audio_bus(void)
  35 {
  36         /* No need to do protection since MT8186 doesn't have audio mtcmos. */
  37 }
  38
  39 void mtcmos_protect_adsp_bus(void)
  40 {
  41         write32(&mt8186_infracfg_ao->infra_topaxi_protecten_3_clr,
  42                 TOP_AXI_PROT_EN_3_ADSP_TOP_STEP2);
  43         write32(&mt8186_infracfg_ao->infra_topaxi_protecten_3_clr,
  44                 TOP_AXI_PROT_EN_3_ADSP_TOP_STEP1);
  45 }