src/soc/mediatek/mt8195/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 <device/pci.h>
   7 #include <soc/apusys.h>
   8 #include <soc/apusys_devapc.h>
   9 #include <soc/devapc.h>
  10 #include <soc/dfd.h>
  11 #include <soc/emi.h>
  12 #include <soc/hdmi.h>
  13 #include <soc/mcupm.h>
  14 #include <soc/mmu_operations.h>
  15 #include <soc/pcie.h>
  16 #include <soc/sspm.h>
  17 #include <soc/ufs.h>
  18 #include <symbols.h>
  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 }
  25
  26 static void soc_read_resources(struct device *dev)
  27 {
  28         ram_range(dev, 0, (uintptr_t)_dram, sdram_size());
  29 }
  30
  31 static void soc_init(struct device *dev)
  32 {
  33         mtk_mmu_disable_l2c_sram();
  34         dapc_init();
  35         start_apusys_devapc();
  36         apusys_init();
  37         mcupm_init();
  38         sspm_init();
  39
  40         if (CONFIG(MTK_DFD))
  41                 dfd_init();
  42
  43         ufs_disable_refclk();
  44         hdmi_low_power_setting();
  45 }
  46
  47 static struct device_operations soc_ops = {
  48         .read_resources = soc_read_resources,
  49         .set_resources = noop_set_resources,
  50         .init = soc_init,
  51 };
  52
  53 static struct device_operations pci_domain_ops = {
  54         .read_resources = &mtk_pcie_domain_read_resources,
  55         .set_resources = &mtk_pcie_domain_set_resources,
  56         .scan_bus = &pci_host_bridge_scan_bus,
  57         .enable = &mtk_pcie_domain_enable,
  58 };
  59
  60 static void enable_soc_dev(struct device *dev)
  61 {
  62         if (dev->path.type == DEVICE_PATH_CPU_CLUSTER)
  63                 dev->ops = &soc_ops;
  64         else if (dev->path.type == DEVICE_PATH_DOMAIN) {
  65                 if (mainboard_needs_pcie_init())
  66                         dev->ops = &pci_domain_ops;
  67                 else
  68                         printk(BIOS_DEBUG, "Skip setting PCIe ops\n");
  69         }
  70 }
  71
  72 struct chip_operations soc_mediatek_mt8195_ops = {
  73         .name = "SOC Mediatek MT8195",
  74         .enable_dev = enable_soc_dev,
  75 };