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-rw-r--r--drivers/net/designware.c2
-rw-r--r--drivers/net/designware.h12
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index fa816bf..7186e3b 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -249,7 +249,7 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
rx_descs_init(dev);
tx_descs_init(dev);
- writel(FIXEDBURST | PRIORXTX_41 | BURST_16, &dma_p->busmode);
+ writel(FIXEDBURST | PRIORXTX_41 | DMA_PBL, &dma_p->busmode);
writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD,
&dma_p->opmode);
diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index de2fdcb..ce51102 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -77,18 +77,18 @@ struct eth_dma_regs {
#define DW_DMA_BASE_OFFSET (0x1000)
+/* Default DMA Burst length */
+#ifndef CONFIG_DW_GMAC_DEFAULT_DMA_PBL
+#define CONFIG_DW_GMAC_DEFAULT_DMA_PBL 8
+#endif
+
/* Bus mode register definitions */
#define FIXEDBURST (1 << 16)
#define PRIORXTX_41 (3 << 14)
#define PRIORXTX_31 (2 << 14)
#define PRIORXTX_21 (1 << 14)
#define PRIORXTX_11 (0 << 14)
-#define BURST_1 (1 << 8)
-#define BURST_2 (2 << 8)
-#define BURST_4 (4 << 8)
-#define BURST_8 (8 << 8)
-#define BURST_16 (16 << 8)
-#define BURST_32 (32 << 8)
+#define DMA_PBL (CONFIG_DW_GMAC_DEFAULT_DMA_PBL<<8)
#define RXHIGHPRIO (1 << 1)
#define DMAMAC_SRST (1 << 0)