Commit 45d6e545 authored by Ivan Mikhaylov's avatar Ivan Mikhaylov Committed by David S. Miller
Browse files

net/ibm/emac: add 8192 rx/tx fifo size



emac4syn chips has availability to use 8192 rx/tx fifo buffer sizes,
in current state if we set it up in dts 8192 as example, we will get
only 2048 which may impact on network speed.
Signed-off-by: default avatarIvan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6f3180af
...@@ -494,6 +494,9 @@ static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_s ...@@ -494,6 +494,9 @@ static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_s
case 16384: case 16384:
ret |= EMAC_MR1_RFS_16K; ret |= EMAC_MR1_RFS_16K;
break; break;
case 8192:
ret |= EMAC4_MR1_RFS_8K;
break;
case 4096: case 4096:
ret |= EMAC_MR1_RFS_4K; ret |= EMAC_MR1_RFS_4K;
break; break;
...@@ -516,6 +519,9 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_ ...@@ -516,6 +519,9 @@ static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_
case 16384: case 16384:
ret |= EMAC4_MR1_TFS_16K; ret |= EMAC4_MR1_TFS_16K;
break; break;
case 8192:
ret |= EMAC4_MR1_TFS_8K;
break;
case 4096: case 4096:
ret |= EMAC4_MR1_TFS_4K; ret |= EMAC4_MR1_TFS_4K;
break; break;
......
...@@ -151,9 +151,11 @@ struct emac_regs { ...@@ -151,9 +151,11 @@ struct emac_regs {
#define EMAC4_MR1_RFS_2K 0x00100000 #define EMAC4_MR1_RFS_2K 0x00100000
#define EMAC4_MR1_RFS_4K 0x00180000 #define EMAC4_MR1_RFS_4K 0x00180000
#define EMAC4_MR1_RFS_8K 0x00200000
#define EMAC4_MR1_RFS_16K 0x00280000 #define EMAC4_MR1_RFS_16K 0x00280000
#define EMAC4_MR1_TFS_2K 0x00020000 #define EMAC4_MR1_TFS_2K 0x00020000
#define EMAC4_MR1_TFS_4K 0x00030000 #define EMAC4_MR1_TFS_4K 0x00030000
#define EMAC4_MR1_TFS_8K 0x00040000
#define EMAC4_MR1_TFS_16K 0x00050000 #define EMAC4_MR1_TFS_16K 0x00050000
#define EMAC4_MR1_TR 0x00008000 #define EMAC4_MR1_TR 0x00008000
#define EMAC4_MR1_MWSW_001 0x00001000 #define EMAC4_MR1_MWSW_001 0x00001000
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment