diff options
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/Kconfig | 7 | ||||
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.c | 47 | ||||
| -rw-r--r-- | src/drivers/genesyslogic/gl9755/gl9755.h | 11 | ||||
| -rw-r--r-- | src/include/device/pci_ids.h | 1 |
5 files changed, 67 insertions, 0 deletions
diff --git a/src/drivers/genesyslogic/gl9755/Kconfig b/src/drivers/genesyslogic/gl9755/Kconfig new file mode 100644 index 0000000000..5bccb9b490 --- /dev/null +++ b/src/drivers/genesyslogic/gl9755/Kconfig @@ -0,0 +1,7 @@ +config DRIVERS_GENESYSLOGIC_GL9755 + bool "Genesys Logic GL9755" + help + GL9755 is a PCI Express Rev. 2.1 compliant card reader controller + which integrates PCI Express PHY, UHS-II PHY, memory card access + interface, regulators (3.3V-to-1.8V and 3.3V-to-1.2V) and card + power switch. diff --git a/src/drivers/genesyslogic/gl9755/Makefile.inc b/src/drivers/genesyslogic/gl9755/Makefile.inc new file mode 100644 index 0000000000..995cfd30f6 --- /dev/null +++ b/src/drivers/genesyslogic/gl9755/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_DRIVERS_GENESYSLOGIC_GL9755) += gl9755.c 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") +}; diff --git a/src/drivers/genesyslogic/gl9755/gl9755.h b/src/drivers/genesyslogic/gl9755/gl9755.h new file mode 100644 index 0000000000..2d20faf695 --- /dev/null +++ b/src/drivers/genesyslogic/gl9755/gl9755.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* Definitions for Genesys Logic GL9755 */ + +#define CFG 0x800 +#define CFG_EN 0x1 +#define LTR 0x5C +#define SNOOP_VALUE 0x25 +#define SNOOP_SCALE (0x3 << 10) +#define NO_SNOOP_VALUE (0x25 << 16) +#define NO_SNOOP_SCALE (0x3 << 26) diff --git a/src/include/device/pci_ids.h b/src/include/device/pci_ids.h index 944c20eb83..83cf25e84d 100644 --- a/src/include/device/pci_ids.h +++ b/src/include/device/pci_ids.h @@ -2033,6 +2033,7 @@ #define PCI_VENDOR_ID_GLI 0x17a0 #define PCI_DEVICE_ID_GLI_9763E 0xe763 +#define PCI_DEVICE_ID_GLI_9755 0x9755 #define PCI_VENDOR_ID_XGI 0x18ca #define PCI_DEVICE_ID_XGI_20 0x0020 |