src/board/kevin/board.c

   1 /*
   2  * Copyright 2016 Rockchip Inc.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but without any warranty; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #include <assert.h>
  19 #include <libpayload.h>
  20
  21 #include "base/init_funcs.h"
  22 #include "boot/fit.h"
  23 #include "config.h"
  24 #include "drivers/bus/spi/rockchip.h"
  25 #include "drivers/ec/cros/spi.h"
  26 #include "drivers/flash/spi.h"
  27 #include "drivers/flash/spi.h"
  28 #include "drivers/gpio/rockchip.h"
  29 #include "drivers/gpio/sysinfo.h"
  30 #include "drivers/storage/dw_mmc.h"
  31 #include "drivers/storage/rk_dwmmc.h"
  32 #include "drivers/storage/sdhci.h"
  33 #include "vboot/util/flag.h"
  34
  35 static const int emmc_sd_clock_min = 400 * 1000;
  36 static const int emmc_clock_max = 200 * 1000 * 1000;
  37
  38 static int board_setup(void)
  39 {
  40         // Claim that we have an open lid to satisfy vboot.
  41         flag_replace(FLAG_LIDSW, new_gpio_high());
  42
  43         // Claim that we have an power key to satisfy vboot.
  44         flag_replace(FLAG_PWRSW, new_gpio_low());
  45
  46         RkSpi *spi1 = new_rockchip_spi(0xff1d0000);
  47
  48         flash_set_ops(&new_spi_flash(&spi1->ops)->ops);
  49
  50         // EC on Kevin is connected to SPI bus #5
  51         RkSpi *spi5 = new_rockchip_spi(0xff200000);
  52         CrosEcSpiBus *cros_ec_spi_bus = new_cros_ec_spi_bus(&spi5->ops);
  53         GpioOps *ec_int = sysinfo_lookup_gpio("EC interrupt", 1,
  54                                               new_rk_gpio_input_from_coreboot);
  55         CrosEc *cros_ec = new_cros_ec(&cros_ec_spi_bus->ops, 0, ec_int);
  56         register_vboot_ec(&cros_ec->vboot, 0);
  57
  58
  59         SdhciHost *emmc = new_mem_sdhci_host((void *)0xfe330000,
  60                                              SDHCI_PLATFORM_NO_EMMC_HS200 |
  61                                              SDHCI_PLATFORM_NO_CLK_BASE,
  62                                              emmc_sd_clock_min,
  63                                              emmc_clock_max, 198);
  64
  65         list_insert_after(&emmc->mmc_ctrlr.ctrlr.list_node,
  66                           &fixed_block_dev_controllers);
  67
  68         RkGpio *card_detect;
  69
  70          /* SDMMC_DET_L is different on different board revisions. */
  71         switch (lib_sysinfo.board_id) {
  72         case 0:  /* This is for Kevin rev1. */
  73                 card_detect = new_rk_gpio_input(GPIO(4, D, 2));
  74                 break;
  75         default:
  76                 card_detect = new_rk_gpio_input(GPIO(4, D, 0));
  77                 break;
  78         }
  79
  80         GpioOps *card_detect_ops = &card_detect->ops;
  81
  82         card_detect_ops = new_gpio_not(card_detect_ops);
  83
  84         DwmciHost *sd_card = new_rkdwmci_host(0xfe320000, 594000000, 4, 1,
  85                                               card_detect_ops);
  86
  87         list_insert_after(&sd_card->mmc.ctrlr.list_node,
  88                           &removable_block_dev_controllers);
  89
  90         return 0;
  91 }
  92
  93 INIT_FUNC(board_setup);