aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/genesyslogic/gl9755/gl9755.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/drivers/genesyslogic/gl9755/gl9755.c')
-rw-r--r--src/drivers/genesyslogic/gl9755/gl9755.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/drivers/genesyslogic/gl9755/gl9755.c b/src/drivers/genesyslogic/gl9755/gl9755.c
new file mode 100644
index 0000000000..c3cdef11e7
--- /dev/null
+++ b/src/drivers/genesyslogic/gl9755/gl9755.c
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Driver for Genesys Logic GL9755 */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/path.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include "gl9755.h"
+
+static void gl9755_init(struct device *dev)
+{
+ printk(BIOS_INFO, "GL9755: init\n");
+ pci_dev_init(dev);
+
+ /* Set Vendor Config to be configurable */
+ pci_or_config32(dev, CFG, CFG_EN);
+ /* Set LTR value */
+ pci_write_config32(dev, LTR, NO_SNOOP_SCALE|NO_SNOOP_VALUE|SNOOP_SCALE|SNOOP_VALUE);
+ /* Set Vendor Config to be non-configurable */
+ pci_and_config32(dev, CFG, ~CFG_EN);
+}
+
+static struct device_operations gl9755_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .ops_pci = &pci_dev_ops_pci,
+ .init = gl9755_init,
+};
+
+static const unsigned short pci_device_ids[] = {
+ PCI_DEVICE_ID_GLI_9755,
+ 0
+};
+
+static const struct pci_driver genesyslogic_gl9755 __pci_driver = {
+ .ops = &gl9755_ops,
+ .vendor = PCI_VENDOR_ID_GLI,
+ .devices = pci_device_ids,
+};
+
+struct chip_operations drivers_generic_genesyslogic_gl9755_ops = {
+ CHIP_NAME("Genesys Logic GL9755")
+};