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| author | Grzegorz Bernacki <gjb@semihalf.com> | 2007-09-10 17:39:08 +0200 |
|---|---|---|
| committer | Rafal Jaworowski <raj@semihalf.com> | 2007-09-10 17:39:08 +0200 |
| commit | 7a888d6b3c32a126dbb504ef146bb4c26574ca7b (patch) | |
| tree | 5232ab1b43f86b881151712cfd8d2d484719b3c6 /cpu/mpc512x/fec.h | |
| parent | e251e00d0db4b36d1d2b7e38fec43a7296b529a2 (diff) | |
| download | u-boot-imx-7a888d6b3c32a126dbb504ef146bb4c26574ca7b.zip u-boot-imx-7a888d6b3c32a126dbb504ef146bb4c26574ca7b.tar.gz u-boot-imx-7a888d6b3c32a126dbb504ef146bb4c26574ca7b.tar.bz2 | |
[MPC512x] Streamline frame handling in the FEC driver
- convert frame size settings to be derived from a single base
- set frame size to the recommended default value
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
Diffstat (limited to 'cpu/mpc512x/fec.h')
| -rw-r--r-- | cpu/mpc512x/fec.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cpu/mpc512x/fec.h b/cpu/mpc512x/fec.h index d2d877a..9c38502 100644 --- a/cpu/mpc512x/fec.h +++ b/cpu/mpc512x/fec.h @@ -164,10 +164,13 @@ typedef enum { #define FEC_RBD_NUM 32 /* The user can adjust this value */ /* packet size limit */ -#define FEC_MAX_PKT_SIZE 1536 +#define FEC_MAX_FRAME_LEN 1522 /* recommended default value */ + +/* Buffer size must be evenly divisible by 16 */ +#define FEC_BUFFER_SIZE ((FEC_MAX_FRAME_LEN + 0x10) & (~0xf)) typedef struct { - uint8 frame[FEC_MAX_PKT_SIZE]; + uint8 frame[FEC_BUFFER_SIZE]; } mpc512x_frame; typedef struct { |