src/mainboard/google/gale/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <boot/coreboot_tables.h>
   4 #include <device/device.h>
   5 #include <gpio.h>
   6 #include <soc/clock.h>
   7 #include <soc/soc_services.h>
   8 #include <soc/usb.h>
   9 #include <soc/blsp.h>
  10 #include <symbols.h>
  11
  12 #include <vendorcode/google/chromeos/chromeos.h>
  13 #include "mmu.h"
  14
  15 #define USB_ENABLE_GPIO         51
  16
  17 static void setup_usb(void)
  18 {
  19         usb_clock_config();
  20
  21         setup_usb_host1();
  22 }
  23
  24 static void mainboard_init(struct device *dev)
  25 {
  26         /* disable mmu and d-cache before setting up secure world.*/
  27         dcache_mmu_disable();
  28         start_tzbsp();
  29         /* Setup mmu and d-cache again as non secure entries. */
  30         setup_mmu(DRAM_INITIALIZED);
  31         setup_usb();
  32
  33         /* Copy WIFI calibration data into CBMEM. */
  34         if (CONFIG(CHROMEOS))
  35                 cbmem_add_vpd_calibration_data();
  36
  37         /*
  38          * Make sure bootloader can issue sounds The frequency is calculated
  39          * as "<frame_rate> * <bit_width> * <channels> * 4", i.e.
  40          *
  41          * 48000 * 2 * 16 * 4 = 6144000
  42          */
  43         //audio_clock_config(6144000);
  44 }
  45
  46 static void mainboard_enable(struct device *dev)
  47 {
  48         dev->ops->init = &mainboard_init;
  49 }
  50
  51 struct chip_operations mainboard_ops = {
  52         .enable_dev = mainboard_enable,
  53 };
  54
  55 void lb_board(struct lb_header *header)
  56 {
  57         struct lb_range *dma;
  58
  59         dma = (struct lb_range *)lb_new_record(header);
  60         dma->tag = LB_TAG_DMA;
  61         dma->size = sizeof(*dma);
  62         dma->range_start = (uintptr_t)_dma_coherent;
  63         dma->range_size = REGION_SIZE(dma_coherent);
  64
  65         if (CONFIG(CHROMEOS)) {
  66                 /* Retrieve the switch interface MAC addresses. */
  67                 lb_table_add_macs_from_vpd(header);
  68         }
  69 }