diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2006-09-27 12:53:57 -0700 |
|---|---|---|
| committer | Auke Kok <juke-jan.h.kok@intel.com> | 2006-09-27 12:53:57 -0700 |
| commit | caeccb682a2483a79162bb66a431175d4134ae0b (patch) | |
| tree | b4f79e694f1cd2332c8294371ba15e1b906f768e /drivers/net/e1000/e1000_hw.h | |
| parent | 61c2505fd5044d9e108acc6b469d3caa02522043 (diff) | |
e1000: add PCI-E capability detection code
Add code to display the detected PCI-E bus width.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers/net/e1000/e1000_hw.h')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index b9364b5fd76f..434492cc329e 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -418,6 +418,7 @@ void e1000_pci_set_mwi(struct e1000_hw *hw); void e1000_pci_clear_mwi(struct e1000_hw *hw); void e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value); void e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value); +int32_t e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value); /* Port I/O is only supported on 82544 and newer */ void e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value); int32_t e1000_disable_pciex_master(struct e1000_hw *hw); @@ -2220,6 +2221,11 @@ struct e1000_host_command_info { #define E1000_FACTPS_LAN_FUNC_SEL 0x40000000 #define E1000_FACTPS_PM_STATE_CHANGED 0x80000000 +/* PCI-Ex Config Space */ +#define PCI_EX_LINK_STATUS 0x12 +#define PCI_EX_LINK_WIDTH_MASK 0x3F0 +#define PCI_EX_LINK_WIDTH_SHIFT 4 + /* EEPROM Commands - Microwire */ #define EEPROM_READ_OPCODE_MICROWIRE 0x6 /* EEPROM read opcode */ #define EEPROM_WRITE_OPCODE_MICROWIRE 0x5 /* EEPROM write opcode */ |