diff options
Diffstat (limited to 'src/southbridge/nvidia/ck804/ck804_nic.c')
| -rw-r--r-- | src/southbridge/nvidia/ck804/ck804_nic.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_nic.c b/src/southbridge/nvidia/ck804/ck804_nic.c index e0c7647f48..82de370acc 100644 --- a/src/southbridge/nvidia/ck804/ck804_nic.c +++ b/src/southbridge/nvidia/ck804/ck804_nic.c @@ -2,6 +2,7 @@ * Copyright 2004 Tyan Computer * by yhlu@tyan.com */ + #include <console/console.h> #include <device/device.h> #include <device/smbus.h> @@ -11,21 +12,16 @@ #include <arch/io.h> #include "ck804.h" - static void nic_init(struct device *dev) { - uint32_t dword, old; - uint32_t mac_h, mac_l; + uint32_t dword, old, mac_h, mac_l; int eeprom_valid = 0; struct southbridge_nvidia_ck804_config *conf; - static uint32_t nic_index = 0; - uint8_t *base; struct resource *res; res = find_resource(dev, 0x10); - base = res->base; #define NvRegPhyInterface 0xC0 @@ -36,37 +32,37 @@ static void nic_init(struct device *dev) old = dword = pci_read_config32(dev, 0x30); dword &= ~(0xf); dword |= 0xf; - if(old != dword) { - pci_write_config32(dev, 0x30 , dword); - } + if (old != dword) + pci_write_config32(dev, 0x30, dword); conf = dev->chip_info; - if(conf->mac_eeprom_smbus != 0) { -// read MAC address from EEPROM at first + if (conf->mac_eeprom_smbus != 0) { + /* Read MAC address from EEPROM at first. */ struct device *dev_eeprom; - dev_eeprom = dev_find_slot_on_smbus(conf->mac_eeprom_smbus, conf->mac_eeprom_addr); + dev_eeprom = dev_find_slot_on_smbus(conf->mac_eeprom_smbus, + conf->mac_eeprom_addr); - if(dev_eeprom) { - // if that is valid we will use that + if (dev_eeprom) { + /* If that is valid we will use that. */ unsigned char dat[6]; - int status; - int i; - for(i=0;i<6;i++) { + int i, status; + for (i = 0; i < 6; i++) { status = smbus_read_byte(dev_eeprom, i); - if(status < 0) break; + if (status < 0) + break; dat[i] = status & 0xff; } - if(status >= 0) { + if (status >= 0) { mac_l = 0; - for(i=3;i>=0;i--) { + for (i = 3; i >= 0; i--) { mac_l <<= 8; mac_l += dat[i]; } - if(mac_l != 0xffffffff) { + if (mac_l != 0xffffffff) { mac_l += nic_index; mac_h = 0; - for(i=5;i>=4;i--) { + for (i = 5; i >= 4; i--) { mac_h <<= 8; mac_h += dat[i]; } @@ -75,21 +71,22 @@ static void nic_init(struct device *dev) } } } -// if that is invalid we will read that from romstrap - if(!eeprom_valid) { + + /* If that is invalid we will read that from romstrap. */ + if (!eeprom_valid) { unsigned long mac_pos; - mac_pos = 0xffffffd0; // refer to romstrap.inc and romstrap.lds + mac_pos = 0xffffffd0; /* See romstrap.inc and romstrap.lds. */ mac_l = readl(mac_pos) + nic_index; mac_h = readl(mac_pos + 4); } #if 1 -// set that into NIC MMIO + /* Set that into NIC MMIO. */ #define NvRegMacAddrA 0xA8 #define NvRegMacAddrB 0xAC writel(mac_l, base + NvRegMacAddrA); writel(mac_h, base + NvRegMacAddrB); #else -// set that into NIC + /* Set that into NIC. */ pci_write_config32(dev, 0xa8, mac_l); pci_write_config32(dev, 0xac, mac_h); #endif @@ -97,35 +94,36 @@ static void nic_init(struct device *dev) nic_index++; #if CONFIG_PCI_ROM_RUN == 1 - pci_dev_init(dev);// it will init option rom + pci_dev_init(dev); /* It will init Option ROM. */ #endif - } static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) { pci_write_config32(dev, 0x40, - ((device & 0xffff) << 16) | (vendor & 0xffff)); + ((device & 0xffff) << 16) | (vendor & 0xffff)); } static struct pci_operations lops_pci = { .set_subsystem = lpci_set_subsystem, }; -static struct device_operations nic_ops = { +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 = ck804_enable, + // .enable = ck804_enable, .ops_pci = &lops_pci, }; + static const struct pci_driver nic_driver __pci_driver = { .ops = &nic_ops, .vendor = PCI_VENDOR_ID_NVIDIA, .device = PCI_DEVICE_ID_NVIDIA_CK804_NIC, }; + static const struct pci_driver nic_bridge_driver __pci_driver = { .ops = &nic_ops, .vendor = PCI_VENDOR_ID_NVIDIA, |