e1000/base: add bit to disable packetbuffer read

Added bit FEXTNVM7[18], that controls disabling MAC packet buffer read.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/drivers/net/e1000/base/e1000_ich8lan.h b/drivers/net/e1000/base/e1000_ich8lan.h
index 09a9258..c54e4e7 100644 (file)
--- a/drivers/net/e1000/base/e1000_ich8lan.h
+++ b/drivers/net/e1000/base/e1000_ich8lan.h
@@ -115,6 +115,8 @@ POSSIBILITY OF SUCH DAMAGE.
 #define E1000_FEXTNVM6_REQ_PLL_CLK     0x00000100
 #define E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION       0x00000200
 #define E1000_FEXTNVM6_K1_OFF_ENABLE   0x80000000
+/* bit for disabling packet buffer read */
+#define E1000_FEXTNVM7_DISABLE_PB_READ 0x00040000
 #if !defined(EXTERNAL_RELEASE) || defined(ULP_SUPPORT)
 #define E1000_FEXTNVM7_DISABLE_SMB_PERST       0x00000020
 #endif /* !EXTERNAL_RELEASE || ULP_SUPPORT */