ColdFire: Multiple fixes for M5282EVB

[oweals/u-boot.git] / cpu / mpc512x / fec.h

diff --git a/cpu/mpc512x/fec.h b/cpu/mpc512x/fec.h
index d2d877aa52894d5ba54485c819a4c440d3f2e19b..9c385028708e39d7b9c1a21e6afc15d36eb5740f 100644 (file)
--- 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 {