MIPS: Implement ethernet halt for au1x00

Implement ethernet halt() by putting MAC0 in reset. If we do not do this, we will get memory corruption when ethernet frames are received during early OS boot. Signed-off-by: Thomas Lange <thomas@corelatus.se> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
16 years ago · 87423d740b
parent a2e0ffcf2d
commit 87423d740b
1 changed files with 4 additions and 0 deletions
--- a/cpu/mips/au1x00_eth.c
+++ b/cpu/mips/au1x00_eth.c
@ -276,6 +276,10 @@ static int au1x00_init(struct eth_device* dev, bd_t * bd){
 }

 static void au1x00_halt(struct eth_device* dev){
+	volatile u32 *macen = (volatile u32*)MAC0_ENABLE;
+
+	/* Put MAC0 in reset */
+	*macen = 0;
 }

 int au1x00_enet_initialize(bd_t *bis){