src/soc/mediatek/mt8188/soc.c

   1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
   2
   3 #include <bootmem.h>
   4 #include <console/console.h>
   5 #include <device/device.h>
   6 #include <soc/cpu_input_gating.h>
   7 #include <soc/devapc.h>
   8 #include <soc/dfd.h>
   9 #include <soc/dpm.h>
  10 #include <soc/emi.h>
  11 #include <soc/mcupm.h>
  12 #include <soc/mmu_operations.h>
  13 #include <soc/spm.h>
  14 #include <soc/sspm.h>
  15 #include <symbols.h>
  16
  17 #define OPTEE_ADDRESS           0x43000000
  18 #define OPTEE_SIZE              (70 * MiB)
  19
  20 void bootmem_platform_add_ranges(void)
  21 {
  22         if (CONFIG(MTK_DFD))
  23                 bootmem_add_range(DFD_DUMP_ADDRESS, DFD_DUMP_SIZE, BM_MEM_RESERVED);
  24         if (CONFIG(ARM64_BL31_OPTEE_WITH_SMC))
  25                 bootmem_add_range(OPTEE_ADDRESS, OPTEE_SIZE, BM_MEM_RESERVED);
  26 }
  27
  28 static void soc_read_resources(struct device *dev)
  29 {
  30         ram_range(dev, 0, (uintptr_t)_dram, sdram_size());
  31 }
  32
  33 static void soc_init(struct device *dev)
  34 {
  35         mtk_mmu_disable_l2c_sram();
  36
  37         disable_cpu_input_gating();
  38
  39         dapc_init();
  40         mcupm_init();
  41         sspm_init();
  42
  43         if (dpm_init())
  44                 printk(BIOS_ERR, "dpm init failed, DVFS may not work\n");
  45
  46         /*
  47          * For MT8188, SPM will handshake with DPM to do initialization, so
  48          * this must run after dpm_init().
  49          */
  50         if (spm_init())
  51                 printk(BIOS_ERR, "spm init failed, system suspend may not work\n");
  52
  53         if (CONFIG(MTK_DFD))
  54                 dfd_init();
  55 }
  56
  57 static struct device_operations soc_ops = {
  58         .read_resources = soc_read_resources,
  59         .set_resources = noop_set_resources,
  60         .init = soc_init,
  61 };
  62
  63 static void enable_soc_dev(struct device *dev)
  64 {
  65         dev->ops = &soc_ops;
  66 }
  67
  68 struct chip_operations soc_mediatek_mt8188_ops = {
  69         .name = "SOC Mediatek MT8188",
  70         .enable_dev = enable_soc_dev,
  71 };