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author | Andrey Petrov <andrey.petrov@intel.com> | 2016-03-04 21:41:13 -0800 |
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committer | Aaron Durbin <adurbin@chromium.org> | 2016-03-10 23:01:31 +0100 |
commit | 70efecd4a21c4adc7cbfb5fcdbc8b9bfedbaa270 (patch) | |
tree | fede4ab3267322a31bda2f32b1bd1bcc53a12b58 /src/soc/intel/apollolake/chip.c | |
parent | 9d903a1dd352ce16c6e6feee5f63e3b21c821111 (diff) | |
download | coreboot-70efecd4a21c4adc7cbfb5fcdbc8b9bfedbaa270.tar.xz |
soc/intel/apollolake: Add chip initialization
Change-Id: I54532b71c7649f7eeccbb2213b31418cfdbfb00c
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/13911
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/apollolake/chip.c')
-rw-r--r-- | src/soc/intel/apollolake/chip.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c new file mode 100644 index 0000000000..2374a888c3 --- /dev/null +++ b/src/soc/intel/apollolake/chip.c @@ -0,0 +1,113 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) + * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.) + * + * 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. + */ + +#include <bootstate.h> +#include <console/console.h> +#include <cpu/cpu.h> +#include <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <memrange.h> +#include <soc/cpu.h> +#include <soc/pci_devs.h> + +#include "chip.h" + +static void pci_domain_set_resources(device_t dev) +{ + assign_resources(dev->link_list); +} + +static struct device_operations pci_domain_ops = { + .read_resources = pci_domain_read_resources, + .set_resources = pci_domain_set_resources, + .enable_resources = NULL, + .init = NULL, + .scan_bus = pci_domain_scan_bus, + .ops_pci_bus = pci_bus_default_ops, +}; + +static struct device_operations cpu_bus_ops = { + .read_resources = DEVICE_NOOP, + .set_resources = DEVICE_NOOP, + .enable_resources = DEVICE_NOOP, + .init = apollolake_init_cpus, + .scan_bus = NULL, +}; + +static void enable_dev(device_t dev) +{ + /* Set the operations if it is a special bus type */ + if (dev->path.type == DEVICE_PATH_DOMAIN) { + dev->ops = &pci_domain_ops; + } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { + dev->ops = &cpu_bus_ops; + } +} + +static void soc_init(void *data) +{ + struct range_entry range; + + /* TODO: tigten this resource range */ + /* TODO: fix for S3 resume, as this would corrupt OS memory */ + range_entry_init(&range, 0x200000, 4ULL*GiB, 0); + fsp_silicon_init(&range); +} + +void platform_fsp_silicon_init_params_cb(struct FSPS_UPD *silupd) +{ + struct FSP_S_CONFIG *silconfig = &silupd->FspsConfig; + static struct soc_intel_apollolake_config *cfg; + + /* Load VBT before devicetree-specific config. */ + silconfig->GraphicsConfigPtr = fsp_load_vbt(); + + struct device *dev = NB_DEV_ROOT; + if (!dev && !dev->chip_info) { + printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n"); + return; + } + + cfg = dev->chip_info; + + silconfig->PcieRpClkReqNumber[0] = cfg->pcie_rp0_clkreq_pin; + silconfig->PcieRpClkReqNumber[1] = cfg->pcie_rp1_clkreq_pin; + silconfig->PcieRpClkReqNumber[2] = cfg->pcie_rp2_clkreq_pin; + silconfig->PcieRpClkReqNumber[3] = cfg->pcie_rp3_clkreq_pin; + silconfig->PcieRpClkReqNumber[4] = cfg->pcie_rp4_clkreq_pin; + silconfig->PcieRpClkReqNumber[5] = cfg->pcie_rp5_clkreq_pin; +} + +struct chip_operations soc_intel_apollolake_ops = { + CHIP_NAME("Intel Apollolake SOC") + .enable_dev = &enable_dev, + .init = &soc_init +}; + +static void fsp_notify_dummy(void *arg) +{ + + enum fsp_notify_phase ph = (enum fsp_notify_phase) arg; + + if (fsp_notify(ph) != FSP_SUCCESS) + printk(BIOS_CRIT, "FspNotify failed!\n"); +} + +BOOT_STATE_INIT_ENTRY(BS_DEV_RESOURCES, BS_ON_EXIT, fsp_notify_dummy, + (void *) AFTER_PCI_ENUM); +BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, fsp_notify_dummy, + (void *) READY_TO_BOOT); +BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, fsp_notify_dummy, + (void *) READY_TO_BOOT); |