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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <soc/tsn_gbe.h>
static void program_mac_address(struct device *dev, void *base)
{
enum cb_err status;
uint8_t mac[MAC_ADDR_LEN];
/* Check first whether there is a valid MAC address available */
status = mainboard_get_mac_address(dev, mac);
if (status != CB_SUCCESS) {
printk(BIOS_INFO, "TSN GbE: No valid MAC address found\n");
return;
}
printk(BIOS_DEBUG, "TSN GbE: Programming MAC Address...\n");
/* Write the upper 16 bits of the first 6-byte MAC address */
clrsetbits32(base + TSN_MAC_ADD0_HIGH, 0xffff, ((mac[5] << 8) | mac[4]));
/* Write the lower 32 bits of the first 6-byte MAC address */
clrsetbits32(base + TSN_MAC_ADD0_LOW, 0xffffffff,
(mac[3] << 24) | (mac[2] << 16) | (mac[1] << 8) | mac[0]);
}
static void gbe_tsn_init(struct device *dev)
{
/* Get the base address of the I/O registers in memory space */
struct resource *gbe_tsn_res = find_resource(dev, PCI_BASE_ADDRESS_0);
void *io_mem_base = (void *)(uintptr_t)gbe_tsn_res->base;
/* Program MAC address */
program_mac_address(dev, io_mem_base);
}
static struct device_operations gbe_tsn_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = gbe_tsn_init,
};
static const unsigned short gbe_tsn_device_ids[] = {
PCI_DID_INTEL_EHL_GBE_HOST,
PCI_DID_INTEL_EHL_GBE_PSE_0,
PCI_DID_INTEL_EHL_GBE_PSE_1,
0
};
static const struct pci_driver gbe_tsn_driver __pci_driver = {
.ops = &gbe_tsn_ops,
.vendor = PCI_VID_INTEL,
.devices = gbe_tsn_device_ids,
};
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