ibm_newemac: Added 16K Tx FIFO size support for EMAC4

Some of the EMAC V4 implementations support 16K Tx FIFOs. This
patch adds support for this functionality and fixes typos in the
Tx FIFO size error messages.

Signed-off-by: Dave Mitchell <dmitchell@appliedmicro.com>
Acked-by: Prodyut Hazarika <phazarika@appliedmicro.com>
Acked-by: Victor Gallardo <vgallardo@appliedmicro.com>
Acked-by: Loc Ho <lho@appliedmicro.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 89c82c5e63e4..c6591cb0aae0 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -443,7 +443,7 @@ static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_s
                 ret |= EMAC_MR1_TFS_2K;
                 break;
         default:
-                printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
+                printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
                        dev->ndev->name, tx_size);
         }
 
@@ -470,6 +470,9 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
         DBG2(dev, "__emac4_calc_base_mr1" NL);
 
         switch(tx_size) {
+        case 16384:
+                ret |= EMAC4_MR1_TFS_16K;
+                break;
         case 4096:
                 ret |= EMAC4_MR1_TFS_4K;
                 break;
@@ -477,7 +480,7 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
                 ret |= EMAC4_MR1_TFS_2K;
                 break;
         default:
-                printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
+                printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
                        dev->ndev->name, tx_size);
         }
 
diff --git a/drivers/net/ibm_newemac/emac.h b/drivers/net/ibm_newemac/emac.h
index 0afc2cf5c52b..d34adf99fc6a 100644
--- a/drivers/net/ibm_newemac/emac.h
+++ b/drivers/net/ibm_newemac/emac.h
@@ -153,6 +153,7 @@ struct emac_regs {
 #define EMAC4_MR1_RFS_16K               0x00280000
 #define EMAC4_MR1_TFS_2K                0x00020000
 #define EMAC4_MR1_TFS_4K                0x00030000
+#define EMAC4_MR1_TFS_16K               0x00050000
 #define EMAC4_MR1_TR                    0x00008000
 #define EMAC4_MR1_MWSW_001              0x00001000
 #define EMAC4_MR1_JPSM                  0x00000800