[PATCH 4/6 2.5] e100 - Support to load device firmware

[ganesh.venkatesan@xxxxxxxxx]

--- linux-2.5/drivers/net/e100.c        2004-07-29 00:27:31.495933808 -0700
+++ linux-2.5/drivers/net/e100.c.mod    2004-07-29 00:28:30.382981616 -0700
@@ -353,10 +353,12 @@ enum cb_status {
 };
 
 enum cb_command {
+       cb_nop    = 0x0000,
        cb_iaaddr = 0x0001,
        cb_config = 0x0002,
        cb_multi  = 0x0003,
        cb_tx     = 0x0004,
+       cb_ucode  = 0x0005,
        cb_dump   = 0x0006,
        cb_tx_sf  = 0x0008,
        cb_cid    = 0x1f00,
@@ -431,12 +433,14 @@ struct multi {
 };
 
 /* Important: keep total struct u32-aligned */
+#define UCODE_SIZE                     134
 struct cb {
        u16 status;
        u16 command;
        u32 link;
        union {
                u8 iaaddr[ETH_ALEN];
+               u32 ucode[UCODE_SIZE];
                struct config config;
                struct multi multi;
                struct {
@@ -984,6 +988,27 @@ static void e100_configure(struct nic *n
                c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
 }
 
+static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff 
*skb)
+{
+       int i;
+       static const u32 ucode[UCODE_SIZE] = {
+               /* NFS packets are misinterpreted as TCO packets and
+                * incorrectly routed to the BMC over SMBus.  This
+                * microcode patch checks the fragmented IP bit in the
+                * NFS/UDP header to distinguish between NFS and TCO. */
+               0x0EF70E36, 0x1FFF1FFF, 0x1FFF1FFF, 0x1FFF1FFF, 0x1FFF1FFF,
+               0x1FFF1FFF, 0x00906E41, 0x00800E3C, 0x00E00E39, 0x00000000,
+               0x00906EFD, 0x00900EFD, 0x00E00EF8,
+       };
+
+       if(nic->mac == mac_82551_F || nic->mac == mac_82551_10) {
+               for(i = 0; i < UCODE_SIZE; i++)
+                       cb->u.ucode[i] = cpu_to_le32(ucode[i]);
+               cb->command = cpu_to_le16(cb_ucode);
+       } else
+               cb->command = cpu_to_le16(cb_nop);
+}
+
 static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
        struct sk_buff *skb)
 {
@@ -1073,6 +1098,8 @@ static int e100_hw_init(struct nic *nic)
                return err;
        if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
                return err;
+       if((err = e100_exec_cb(nic, NULL, e100_load_ucode)))
+               return err;
        if((err = e100_exec_cb(nic, NULL, e100_configure)))
                return err;
        if((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr)))