Furquan Shaikh has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40675 )
Change subject: soc/amd/common: Add a common graphics block device driver for AMD SoCs ......................................................................
soc/amd/common: Add a common graphics block device driver for AMD SoCs
This change adds a common graphics block device driver for AMD SoCs. In follow-up CLs, this driver will be utilized for Picasso.
BUG=b:153858769
Change-Id: I45e2b98fede41e49158d9ff9f93785a34c392c22 Signed-off-by: Furquan Shaikh furquan@google.com --- A src/soc/amd/common/block/graphics/Kconfig A src/soc/amd/common/block/graphics/Makefile.inc A src/soc/amd/common/block/graphics/graphics.c 3 files changed, 32 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/75/40675/1
diff --git a/src/soc/amd/common/block/graphics/Kconfig b/src/soc/amd/common/block/graphics/Kconfig new file mode 100644 index 0000000..8aa2a20 --- /dev/null +++ b/src/soc/amd/common/block/graphics/Kconfig @@ -0,0 +1,5 @@ +config SOC_AMD_COMMON_BLOCK_GRAPHICS + bool + default n + help + Select this option to use AMD common graphics driver support. diff --git a/src/soc/amd/common/block/graphics/Makefile.inc b/src/soc/amd/common/block/graphics/Makefile.inc new file mode 100644 index 0000000..3f21aaf --- /dev/null +++ b/src/soc/amd/common/block/graphics/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_GRAPHICS) += graphics.c diff --git a/src/soc/amd/common/block/graphics/graphics.c b/src/soc/amd/common/block/graphics/graphics.c new file mode 100644 index 0000000..b21cf2c --- /dev/null +++ b/src/soc/amd/common/block/graphics/graphics.c @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* This file is part of the coreboot project. */ + +#include <console/console.h> +#include <device/pci.h> +#include <device/pci_ids.h> + +static const struct device_operations graphics_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = pci_dev_init, + .ops_pci = &pci_dev_ops_pci, + .write_acpi_tables = pci_rom_write_acpi_tables, + .acpi_fill_ssdt_generator = pci_rom_ssdt, +}; + +static const unsigned short pci_device_ids[] = { + 0, +}; + +static const struct pci_driver graphics_driver __pci_driver = { + .ops = &graphics_ops, + .vendor = PCI_VENDOR_ID_ATI, + .devices = pci_device_ids, +};