rtl8169: make sure that upper dword of rx/tx ring address is zero

git-svn-id: svn://kolibrios.org@4301 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-11-27 11:09:26 +00:00 · 2013-11-27 11:09:26 +00:00 · ea362458cb
commit ea362458cb
parent a0fd67cc25
1 changed files with 6 additions and 0 deletions
--- a/drivers/ethernet/RTL8169.asm
+++ b/drivers/ethernet/RTL8169.asm
@ -957,11 +957,17 @@ hw_start:
        GetRealAddr
        set_io  REG_TxDescStartAddr
        out     dx, eax
+        set_io  REG_TxDescStartAddr + 4
+        xor     eax, eax
+        out     dx, eax

        lea     eax, [device.rx_ring]
        GetRealAddr
        set_io  REG_RxDescStartAddr
        out     dx, eax
+        xor     eax, eax
+        set_io  REG_RxDescStartAddr + 4
+        out     dx, eax

        set_io  REG_Cfg9346
        mov     al, CFG_9346_Lock