This patch adds wol support for the older 4401 revs.

Signed-off-by: Gary Zambrano <[EMAIL PROTECTED]>

diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index b9e2462..6f4d1d4 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1448,6 +1448,93 @@ static void b44_poll_controller(struct n
 }
 #endif

+static inline void bwfilter_table(struct b44 *bp,
+                                       u32 *pattern,
+                                       u32 bytes,
+                                       u32 table_offset)
+{
+       u32 i;
+
+       for (i = 0; i < bytes; i += sizeof(u32)) {
+               bw32(bp, B44_FILT_ADDR, table_offset + i);
+               bw32(bp, B44_FILT_DATA, pattern[i / sizeof(u32)]);
+       }
+}
+
+/* Setup two common magic packet patterns in the b44 WOL
+ * pattern matching filter.
+ */
+static void b44_setup_pseudo_magicp(struct b44 *bp)
+{
+
+       u32 val;
+       int plen0, plen1, max, i, j;
+       u8 *pwol_pattern;
+       u8 *pwol_mask;
+
+       pwol_pattern = kmalloc(B44_WOL_PATTERN_SIZE, GFP_KERNEL);
+       pwol_mask = kmalloc(B44_WOL_MASK_SIZE, GFP_KERNEL);
+
+       /* UDP magic packet pattern */
+       memset(pwol_pattern, 0, B44_WOL_PATTERN_SIZE);
+       memset(pwol_pattern + 42, 0xff, 6);     /* sync pattern */
+       max = ETH_ALEN;
+       for (i = 0; i < 14; ++i) {
+               if (i == 13)
+                       max = 2;
+               for (j = 0; j < max; ++j) {
+                       pwol_pattern[42 + 6 +
+                       (i * ETH_ALEN) + j] =
+                       bp->dev->dev_addr[j];
+               }
+       }
+
+       memset(pwol_mask, 0, B44_WOL_MASK_SIZE);
+       pwol_mask[5] = 0xfc;
+       memset(pwol_mask + 6, 0xff, 10);
+       plen0 = B44_WOL_PATTERN_SIZE - 1;
+
+       bwfilter_table(bp, (u32 *)pwol_pattern,
+               B44_WOL_PATTERN_SIZE, B44_WOL_PATTERN_BASE);
+
+       bwfilter_table(bp, (u32 *)pwol_mask,
+               B44_WOL_MASK_SIZE, B44_WOL_MASK_BASE);
+
+       /* raw ethernet II magic packet pattern */
+       memset(pwol_pattern, 0, B44_WOL_PATTERN_SIZE);
+       memset(pwol_pattern + 14, 0xff, 6);     /* sync pattern */
+       max = ETH_ALEN;
+       for (i = 0; i < 16; ++i) {
+               for (j = 0; j < max; ++j) {
+                       pwol_pattern[14 + 6 +
+                       (i * ETH_ALEN) + j] =
+                       bp->dev->dev_addr[j];
+               }
+       }
+
+       memset(pwol_mask, 0, B44_WOL_MASK_SIZE);
+       pwol_mask[2] = 0xf0;
+       memset(pwol_mask + 3, 0xff, 11);
+       pwol_mask[14] = 0xf;
+       plen1 = 14 + 6 + 96 - 1;
+
+       bwfilter_table(bp, (u32 *)pwol_pattern, B44_WOL_PATTERN_SIZE,
+                               B44_WOL_PATTERN_BASE + B44_WOL_PATTERN_SIZE);
+       bwfilter_table(bp, (u32 *)pwol_mask, B44_WOL_MASK_SIZE,
+                               B44_WOL_MASK_BASE + B44_WOL_MASK_SIZE);
+
+       /* set this pattern's length: one less than the real length */
+       val = plen0 | (plen1 << 8) | WKUP_LEN_ENABLE_TWO;
+       bw32(bp, B44_WKUP_LEN, val);
+
+       /* enable chip wakeup pattern matching */
+       val = br32(bp, B44_DEVCTRL);
+       bw32(bp, B44_DEVCTRL, val | DEVCTRL_PFE);
+
+       kfree(pwol_mask);
+       kfree(pwol_pattern);
+
+}

 static void b44_setup_wol(struct b44 *bp)
 {


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