ibm_newemac: Added 16K Tx FIFO size support for EMAC4
Dave Mitchell [Thu, 8 Oct 2009 06:32:21 +0000 (06:32 +0000)]
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>

drivers/net/ibm_newemac/core.c
drivers/net/ibm_newemac/emac.h

index 89c82c5..c6591cb 100644 (file)
@@ -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);
        }
 
index 0afc2cf..d34adf9 100644 (file)
@@ -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