MIPS: Octeon: Set up ethernet hardware for little endian

Signed-off-by: Paul Martin <paul.martin@codethink.co.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9635/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 13 insertions, 0 deletions

diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index b7a7854d3f7e..a078b903a168 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -274,6 +274,9 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
 
         /* Build the PKO command */
         pko_command.u64 = 0;
+#ifdef __LITTLE_ENDIAN
+        pko_command.s.le = 1;
+#endif
         pko_command.s.n2 = 1;   /* Don't pollute L2 with the outgoing packet */
         pko_command.s.segs = 1;
         pko_command.s.total_bytes = skb->len;
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 460e8545904f..85618f155ffa 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -170,6 +170,16 @@ static void cvm_oct_configure_common_hw(void)
                 cvm_oct_mem_fill_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
                                      CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128);
 
+#ifdef __LITTLE_ENDIAN
+        {
+                union cvmx_ipd_ctl_status ipd_ctl_status;
+                ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
+                ipd_ctl_status.s.pkt_lend = 1;
+                ipd_ctl_status.s.wqe_lend = 1;
+                cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64);
+        }
+#endif
+
         if (USE_RED)
                 cvmx_helper_setup_red(num_packet_buffers / 4,
                                       num_packet_buffers / 8);