Work around for Ethernet problems on Xaeniax board
diff --git a/drivers/smc91111.c b/drivers/smc91111.c
index 44ce60b..69cbb17 100644
--- a/drivers/smc91111.c
+++ b/drivers/smc91111.c
@@ -640,8 +640,15 @@
}
/* we have a packet address, so tell the card to use it */
+#ifndef CONFIG_XAENIAX
SMC_outb (packet_no, PN_REG);
-
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl (packet_no << 16, 0);
+#endif
/* do not write new ptr value if Write data fifo not empty */
while ( saved_ptr & PTR_NOTEMPTY )
printf ("Write data fifo not empty!\n");
@@ -702,7 +709,9 @@
/* release packet */
/* no need to release, MMU does that now */
- /* SMC_outw (MC_FREEPKT, MMU_CMD_REG); */
+#ifdef CONFIG_XAENIAX
+ SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
@@ -722,7 +731,9 @@
/* release packet */
/* no need to release, MMU does that now */
- /* SMC_outw (MC_FREEPKT, MMU_CMD_REG); */
+#ifdef CONFIG_XAENIAX
+ SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
@@ -735,7 +746,15 @@
}
/* restore previously saved registers */
+#ifndef CONFIG_XAENIAX
SMC_outb( saved_pnr, PN_REG );
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl(saved_pnr << 16, 0);
+#endif
SMC_outw( saved_ptr, PTR_REG );
return length;
@@ -913,7 +932,15 @@
udelay(1); /* Wait until not busy */
/* restore saved registers */
+#ifndef CONFIG_XAENIAX
SMC_outb( saved_pnr, PN_REG );
+#else
+ /* On Xaeniax board, we can't use SMC_outb here because that way
+ * the Allocate MMU command will end up written to the command register
+ * as well, which will lead to a problem.
+ */
+ SMC_outl( saved_pnr << 16, 0);
+#endif
SMC_outw( saved_ptr, PTR_REG );
if (!is_error) {