| /* |
| * Copyright (C) 2015 Google Inc. |
| * Copyright (C) 2015 Intel Corporation |
| * |
| * 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.h> |
| #include <stdint.h> |
| |
| #include "base/init_funcs.h" |
| #include "base/list.h" |
| #include "drivers/blockdev/blockdev.h" |
| #include "drivers/blockdev/sdhci.h" |
| #include "drivers/board/board.h" |
| #include "drivers/board/board_helpers.h" |
| #include "drivers/bus/i2c/designware.h" |
| #include "drivers/bus/i2c/i2c.h" |
| #include "drivers/display/framebuffer.h" |
| #include "drivers/ec/cros/lpc.h" |
| #include "drivers/framebuffer/fwdb.h" |
| #include "drivers/gpio/fwdb.h" |
| #include "drivers/gpio/gpio.h" |
| #include "drivers/gpio/skylake.h" |
| #include "drivers/keyboard/dynamic.h" |
| #include "drivers/keyboard/ps2.h" |
| #include "drivers/power/pch.h" |
| #include "drivers/sound/gpio_pdm.h" |
| #include "drivers/sound/route.h" |
| #include "drivers/sound/ssm4567.h" |
| #include "drivers/tpm/lpc.h" |
| #include "drivers/tpm/tpm.h" |
| #include "drivers/uart/8250.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. |
| */ |
| #define EMMC_SD_CLOCK_MIN 400000 |
| #define EMMC_CLOCK_MAX 200000000 |
| #define SD_CLOCK_MAX 52000000 |
| |
| PUB_STAT(flag_option_roms_loaded, gpio_get(&fwdb_gpio_oprom.ops)) |
| PUB_STAT(flag_lid_open, gpio_get(&fwdb_gpio_lidsw.ops)) |
| PUB_STAT(flag_power, gpio_get(&fwdb_gpio_pwrsw.ops)) |
| |
| static int board_setup(void) |
| { |
| /* MEC1322 Chrome EC */ |
| CrosEcLpcBus *cros_ec_lpc_bus = |
| new_cros_ec_lpc_bus(CROS_EC_LPC_BUS_MEC); |
| cros_ec_set_bus(&cros_ec_lpc_bus->ops); |
| |
| /* SPI TPM memory mapped to act like LPC TPM */ |
| tpm_set_ops(&new_lpc_tpm((void *)(uintptr_t)0xfed40000)->ops); |
| |
| /* eMMC */ |
| SdhciHost *emmc = new_pci_sdhci_host(PCI_DEV(0, 0x1e, 4), |
| SDHCI_PLATFORM_NO_EMMC_HS200, |
| EMMC_SD_CLOCK_MIN, EMMC_CLOCK_MAX); |
| list_insert_after(&emmc->mmc_ctrlr.ctrlr.list_node, |
| &fixed_block_dev_controllers); |
| |
| /* SD Card */ |
| SdhciHost *sd = new_pci_sdhci_host(PCI_DEV(0, 0x1e, 6), 1, |
| EMMC_SD_CLOCK_MIN, SD_CLOCK_MAX); |
| list_insert_after(&sd->mmc_ctrlr.ctrlr.list_node, |
| &removable_block_dev_controllers); |
| |
| /* Speaker Amp Codec is on I2C4 */ |
| DesignwareI2c *i2c4 = |
| new_pci_designware_i2c(PCI_DEV(0, 0x19, 2), 400000); |
| ssm4567Codec *speaker_amp_left = |
| new_ssm4567_codec(&i2c4->ops, 0x34, SSM4567_MODE_PDM); |
| |
| /* Use GPIO to bit-bang PDM to the codec */ |
| GpioCfg *i2s2_sclk = new_skylake_gpio_output(GPP_F0, 0); |
| GpioCfg *i2s2_txd = new_skylake_gpio_output(GPP_F2, 0); |
| GpioPdm *pdm = new_gpio_pdm(&i2s2_sclk->ops, /* PDM Clock GPIO */ |
| &i2s2_txd->ops, /* PDM Data GPIO */ |
| 85000, /* Clock Start */ |
| 16000, /* Sample Rate */ |
| 2, /* Channels */ |
| 1000); /* Volume */ |
| |
| /* Connect the Codec to the PDM source */ |
| SoundRoute *sound = new_sound_route(&pdm->ops); |
| list_insert_after(&speaker_amp_left->component.list_node, |
| &sound->components); |
| sound_set_ops(&sound->ops); |
| |
| return 0; |
| } |
| |
| PRIV_DYN(framebuffer, new_fwdb_framebuffer()) |
| PUB_DYN(display, &new_fb_display(get_framebuffer(), NULL)->ops) |
| |
| PUB_STAT(power, &skylake_power_ops) |
| |
| PUB_DYN(debug_uart, &new_uart_8250_mem32(0xfe034000)->uart.ops) |
| |
| PUB_ARR(trusted_keyboards, &new_ps2_keyboard()->ops) |
| PUB_ARR(untrusted_keyboards, &dynamic_keyboards.ops) |
| |
| INIT_FUNC(board_setup); |