diff options
Diffstat (limited to 'src/southbridge/amd/amd8111/nic.c')
-rw-r--r-- | src/southbridge/amd/amd8111/nic.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/nic.c b/src/southbridge/amd/amd8111/nic.c new file mode 100644 index 0000000000..4ab7212eda --- /dev/null +++ b/src/southbridge/amd/amd8111/nic.c @@ -0,0 +1,90 @@ +/* + * (C) 2003 Linux Networx + */ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include <delay.h> +#include "amd8111.h" + + +#define CMD3 0x54 + +typedef enum { + VAL3 = (1 << 31), /* VAL bit for byte 3 */ + VAL2 = (1 << 23), /* VAL bit for byte 2 */ + VAL1 = (1 << 15), /* VAL bit for byte 1 */ + VAL0 = (1 << 7), /* VAL bit for byte 0 */ +}VAL_BITS; + +typedef enum { + /* VAL3 */ + ASF_INIT_DONE_ALIAS = (1 << 29), + /* VAL2 */ + JUMBO = (1 << 21), + VSIZE = (1 << 20), + VLONLY = (1 << 19), + VL_TAG_DEL = (1 << 18), + /* VAL1 */ + EN_PMGR = (1 << 14), + INTLEVEL = (1 << 13), + FORCE_FULL_DUPLEX = (1 << 12), + FORCE_LINK_STATUS = (1 << 11), + APEP = (1 << 10), + MPPLBA = (1 << 9), + /* VAL0 */ + RESET_PHY_PULSE = (1 << 2), + RESET_PHY = (1 << 1), + PHY_RST_POL = (1 << 0), +}CMD3_BITS; + +static void nic_init(struct device *dev) +{ + struct southbridge_amd_amd8111_config *conf; + struct resource *resource; + unsigned long mmio; + + conf = dev->chip_info; + resource = find_resource(dev, PCI_BASE_ADDRESS_0); + mmio = resource->base; + + /* Hard Reset PHY */ + printk(BIOS_DEBUG, "Reseting PHY... "); + if (conf->phy_lowreset) { + write32((mmio + CMD3), VAL0 | PHY_RST_POL | RESET_PHY); + } else { + write32((mmio + CMD3), VAL0 | RESET_PHY); + } + mdelay(15); + write32((mmio + CMD3), RESET_PHY); + printk(BIOS_DEBUG, "Done\n"); +} + +static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + pci_write_config32(dev, 0xc8, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct pci_operations lops_pci = { + .set_subsystem = lpci_set_subsystem, +}; + +static struct device_operations nic_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = nic_init, + .scan_bus = 0, + .enable = amd8111_enable, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver nic_driver __pci_driver = { + .ops = &nic_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_AMD_8111_NIC, +}; |