| /* |
| * Copyright 2013 Google Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but without any warranty; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include <pci/pci.h> |
| |
| #include "config.h" |
| #include "base/init_funcs.h" |
| #include "board/cyan/device_nvs.h" |
| #include "drivers/bus/i2c/designware.h" |
| #include "drivers/bus/i2s/braswell/braswell-max98090.h" |
| #include "drivers/ec/cros/lpc.h" |
| #include "drivers/flash/flash.h" |
| #include "drivers/flash/memmapped.h" |
| #include "drivers/gpio/braswell.h" |
| #include "drivers/gpio/sysinfo.h" |
| #include "drivers/power/pch.h" |
| #include "drivers/sound/i2s.h" |
| #include "drivers/sound/max98090.h" |
| #include "drivers/storage/blockdev.h" |
| #include "drivers/storage/sdhci.h" |
| #include "drivers/bus/usb/usb.h" |
| #include "drivers/tpm/lpc.h" |
| #include "vboot/util/flag.h" |
| |
| /* |
| * Clock frequencies for the eMMC and SD ports are defined below. The minimum |
| * frequency is the same for both interfaces, the firmware does not run any |
| * interface faster than 52 MHz, but defines maximum eMMC frequency as 200 MHz |
| * for proper divider settings. |
| */ |
| static const int emmc_sd_clock_min = 400 * 1000; |
| static const int emmc_clock_max = 200 * 1000 * 1000; |
| static const int sd_clock_max = 52 * 1000 * 1000; |
| #define SATA_LEDN (77) /*EC_IN_RW GPIO*/ |
| |
| #if CONFIG_DRIVER_EC_CROS |
| #if CONFIG_DRIVER_EC_CROS_LPC |
| static CrosEcLpcBus *cros_ec_lpc_bus; |
| #endif |
| #endif |
| |
| static int read_ec_memmap(void) { |
| u8 ec_switches; |
| #if CONFIG_DRIVER_EC_CROS |
| #if CONFIG_DRIVER_EC_CROS_LPC |
| cros_ec_lpc_bus->ops.read(&ec_switches, |
| EC_LPC_ADDR_MEMMAP + EC_MEMMAP_SWITCHES, 1); |
| return ec_switches; |
| #endif |
| #else |
| //Default return Lid open |
| return EC_SWITCH_LID_OPEN; |
| #endif |
| } |
| |
| static int get_lid_sw(GpioOps *me) { |
| return read_ec_memmap() & EC_SWITCH_LID_OPEN; |
| } |
| |
| static int get_pwr_btn(GpioOps *me) { |
| return read_ec_memmap() & EC_SWITCH_POWER_BUTTON_PRESSED; |
| } |
| |
| static int board_setup(void) |
| { |
| device_nvs_t *nvs = lib_sysinfo.acpi_gnvs + DEVICE_NVS_OFFSET; |
| GpioOps *ec_in_rw = (GpioOps *)new_braswell_gpio_input( |
| GP_SOUTHWEST, SATA_LEDN); |
| static GpioOps lidops = {get_lid_sw, NULL}; |
| static GpioOps pwrbtnops = {get_pwr_btn, NULL}; |
| |
| #if CONFIG_DRIVER_EC_CROS |
| #if CONFIG_DRIVER_EC_CROS_LPC |
| cros_ec_lpc_bus = new_cros_ec_lpc_bus(CROS_EC_LPC_BUS_MEC); |
| cros_ec_set_bus(&cros_ec_lpc_bus->ops); |
| #endif |
| #endif |
| sysinfo_install_flags(NULL); |
| flag_replace(FLAG_LIDSW, &lidops); |
| flag_replace(FLAG_PWRSW, &pwrbtnops); |
| flag_install(FLAG_ECINRW, ec_in_rw); |
| |
| flash_set_ops(&new_mem_mapped_flash(0xff800000, 0x800000)->ops); |
| |
| power_set_ops(&braswell_power_ops); |
| |
| uintptr_t lpe_mmio = nvs->lpe_bar0; |
| if (!nvs->lpe_en) { |
| pcidev_t lpe_pcidev = PCI_DEV(0, 0x15, 0); |
| lpe_mmio = pci_read_config32(lpe_pcidev, PCI_BASE_ADDRESS_0); |
| } |
| BswI2s *i2s = new_bsw_i2s(lpe_mmio, &braswell_max98090_settings, |
| 16, 2,4800000, 48000); |
| |
| I2sSource *i2s_source = new_i2s_source(&i2s->ops, 48000, 2, 16000); |
| |
| SoundRoute *sound_route = new_sound_route(&i2s_source->ops); |
| |
| die_if(!nvs->lpss_en[LPSS_NVS_I2C2], "Codec I2C misconfigured\n"); |
| |
| DesignwareI2c *i2c = new_designware_i2c( |
| nvs->lpss_bar0[LPSS_NVS_I2C2], 400000); |
| |
| Max98090Codec *codec = new_max98090_codec( |
| &i2c->ops, 0x10, 16, 48000, 400, 1); |
| |
| list_insert_after(&codec->component.list_node, |
| &sound_route->components); |
| |
| sound_set_ops(&sound_route->ops); |
| |
| tpm_set_ops(&new_lpc_tpm((void *)0xfed40000)->ops); |
| |
| SdhciHost *emmc, *sd; |
| |
| if (nvs->scc_en[SCC_NVS_MMC]) |
| emmc = new_mem_sdhci_host((void *)nvs->scc_bar0[SCC_NVS_MMC], |
| 0, emmc_sd_clock_min, emmc_clock_max); |
| else |
| emmc = new_pci_sdhci_host(PCI_DEV(0, 0x10, 0), 0, |
| emmc_sd_clock_min, emmc_clock_max); |
| |
| list_insert_after(&emmc->mmc_ctrlr.ctrlr.list_node, |
| &fixed_block_dev_controllers); |
| |
| if (nvs->scc_en[SCC_NVS_SD]) |
| sd = new_mem_sdhci_host((void *)nvs->scc_bar0[SCC_NVS_SD], |
| 1, emmc_sd_clock_min, sd_clock_max); |
| else |
| sd = new_pci_sdhci_host(PCI_DEV(0, 0x12, 0), 1, |
| emmc_sd_clock_min, sd_clock_max); |
| |
| list_insert_after(&sd->mmc_ctrlr.ctrlr.list_node, |
| &removable_block_dev_controllers); |
| |
| return 0; |
| } |
| |
| INIT_FUNC(board_setup); |