diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/apollolake/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/lpc.c | 48 |
2 files changed, 49 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/Makefile.inc b/src/soc/intel/apollolake/Makefile.inc index dff1589cdb..328a5b43a7 100644 --- a/src/soc/intel/apollolake/Makefile.inc +++ b/src/soc/intel/apollolake/Makefile.inc @@ -34,6 +34,7 @@ ramstage-y += chip.c ramstage-y += placeholders.c ramstage-y += gpio.c ramstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c +ramstage-y += lpc.c ramstage-y += memmap.c ramstage-y += mmap_boot.c ramstage-y += uart.c diff --git a/src/soc/intel/apollolake/lpc.c b/src/soc/intel/apollolake/lpc.c new file mode 100644 index 0000000000..abc5245376 --- /dev/null +++ b/src/soc/intel/apollolake/lpc.c @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corp. + * (Written by Lance Zhao <lijian.zhao@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 <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <soc/pci_ids.h> + +static void soc_lpc_add_io_resources(device_t dev) +{ + struct resource *res; + + /* Add the default claimed legacy IO range for the LPC device. */ + res = new_resource(dev, 0); + res->base = 0; + res->size = 0x1000; + res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; +} + +static void soc_lpc_read_resources(device_t dev) +{ + /* Get the PCI resources of this device. */ + pci_dev_read_resources(dev); + + /* Add IO resources to LPC. */ + soc_lpc_add_io_resources(dev); +} + +static struct device_operations device_ops = { + .read_resources = &soc_lpc_read_resources, + .set_resources = &pci_dev_set_resources, + .enable_resources = &pci_dev_enable_resources, +}; + +static const struct pci_driver soc_lpc __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_APOLLOLAKE_LPC, +}; |