| /* |
| * 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.h> |
| #include <pci/pci.h> |
| #include <libpayload.h> |
| #include <sysinfo.h> |
| |
| #include "base/init_funcs.h" |
| #include "base/list.h" |
| #include "board/samus/device_nvs.h" |
| #include "drivers/bus/i2c/designware.h" |
| #include "drivers/bus/i2c/i2c.h" |
| #include "drivers/bus/i2s/broadwell/broadwell.h" |
| #include "drivers/bus/i2s/broadwell/broadwell-alc5677.h" |
| #include "drivers/bus/i2s/i2s.h" |
| #include "drivers/ec/cros/lpc.h" |
| #include "drivers/flash/flash.h" |
| #include "drivers/flash/memmapped.h" |
| #include "drivers/gpio/lynxpoint_lp.h" |
| #include "drivers/gpio/sysinfo.h" |
| #include "drivers/power/pch.h" |
| #include "drivers/sound/i2s.h" |
| #include "drivers/sound/route.h" |
| #include "drivers/sound/rt5677.h" |
| #include "drivers/storage/ahci.h" |
| #include "drivers/storage/blockdev.h" |
| #include "drivers/tpm/lpc.h" |
| #include "drivers/tpm/tpm.h" |
| #include "drivers/video/display.h" |
| #include "drivers/video/intel_i915.h" |
| #include "vboot/util/flag.h" |
| |
| enum { |
| /* Power Control and Status to enable/disable D3Hot */ |
| PCH_REG_PCS = 0x84, |
| PCH_VAL_PCS_D3HOT = 3, |
| |
| /* Power register to enable and disable clock */ |
| SIO_REG_PPR_CLOCK = 0x800, |
| SIO_BIT_PPR_CLOCK_EN = (1 << 0), |
| |
| /* 400 KHz bus speed */ |
| I2C_BUS_SPEED = 400000, |
| }; |
| |
| /* Put device in D0 state */ |
| static void device_enable(int sio_index) |
| { |
| device_nvs_t *nvs = lib_sysinfo.acpi_gnvs + DEVICE_NVS_OFFSET; |
| uint32_t reg_pcs = nvs->bar1[sio_index] + PCH_REG_PCS; |
| |
| /* Put device in D0 state */ |
| writel(readl(reg_pcs) & ~PCH_VAL_PCS_D3HOT, reg_pcs); |
| (void)readl(reg_pcs); |
| } |
| |
| static DesignwareI2c *i2c_enable(int sio_index) |
| { |
| device_nvs_t *nvs = lib_sysinfo.acpi_gnvs + DEVICE_NVS_OFFSET; |
| uint32_t reg_ppr = nvs->bar0[sio_index] + SIO_REG_PPR_CLOCK; |
| |
| device_enable(sio_index); |
| |
| /* Enable clock to the device */ |
| writel(readl(reg_ppr) | SIO_BIT_PPR_CLOCK_EN, reg_ppr); |
| (void)readl(reg_ppr); |
| |
| return new_designware_i2c(nvs->bar0[sio_index], I2C_BUS_SPEED); |
| } |
| |
| static BdwI2s *i2s_enable(int ssp) |
| { |
| device_nvs_t *nvs = lib_sysinfo.acpi_gnvs + DEVICE_NVS_OFFSET; |
| |
| device_enable(SIO_NVS_ADSP); |
| |
| return new_bdw_i2s(nvs->bar0[SIO_NVS_ADSP], ssp, 16, |
| &broadwell_alc5677_settings); |
| } |
| |
| static int board_setup(void) |
| { |
| sysinfo_install_flags(NULL); |
| |
| LpPchGpio *ec_in_rw = new_lp_pch_gpio_input(25); |
| flag_install(FLAG_ECINRW, &ec_in_rw->ops); |
| |
| CrosEcLpcBus *cros_ec_lpc_bus = |
| new_cros_ec_lpc_bus(CROS_EC_LPC_BUS_GENERIC); |
| cros_ec_set_bus(&cros_ec_lpc_bus->ops); |
| |
| flash_set_ops(&new_mem_mapped_flash(0xff800000, 0x800000)->ops); |
| |
| AhciCtrlr *ahci = new_ahci_ctrlr(PCI_DEV(0, 31, 2)); |
| list_insert_after(&ahci->ctrlr.list_node, &fixed_block_dev_controllers); |
| |
| power_set_ops(&pch_power_ops); |
| |
| tpm_set_ops(&new_lpc_tpm((void *)(uintptr_t)0xfed40000)->ops); |
| |
| /* Setup sound route via I2S to RT5677 codec */ |
| BdwI2s *i2s = i2s_enable(0); |
| I2sSource *i2s_source = new_i2s_source(&i2s->ops, 48000, 2, 16000); |
| SoundRoute *sound_route = new_sound_route(&i2s_source->ops); |
| |
| DesignwareI2c *i2c0 = i2c_enable(SIO_NVS_I2C0); |
| rt5677Codec *codec = new_rt5677_codec(&i2c0->ops, 0x2c, 16, |
| 48000, 256, 0); |
| |
| list_insert_after(&codec->component.list_node, |
| &sound_route->components); |
| sound_set_ops(&sound_route->ops); |
| |
| if (lib_sysinfo.framebuffer != NULL) { |
| uintptr_t i915_base = pci_read_config32(PCI_DEV(0, 2, 0), |
| PCI_BASE_ADDRESS_0) & ~0xf; |
| display_set_ops(new_intel_i915_display(i915_base)); |
| } |
| |
| return 0; |
| } |
| |
| INIT_FUNC(board_setup); |