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114 lines
3.3 KiB
Diff
114 lines
3.3 KiB
Diff
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From bb6fd2eef9359aff90f78b8791967a37e3284784 Mon Sep 17 00:00:00 2001
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From: Jason Jin <jason.jin@freescale.com>
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Date: Thu, 4 Aug 2011 09:59:55 +0800
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Subject: [PATCH 49/52] Update FEC driver for MCF5445x and MCF54418
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This patch fixed the bug that FEC could not support 10Mbps
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for MCF5445x.
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This patch also improved FEC performance.
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Signed-off-by: Alison Wang <b18965@freescale.com>
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Signed-off-by: Jason Jin <jason.jin@freescale.com>
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---
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arch/m68k/coldfire/m5441x/fec.c | 4 ++--
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arch/m68k/coldfire/m5445x/fec.c | 17 +++++++++++++++--
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drivers/net/fec.c | 9 +++++----
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3 files changed, 22 insertions(+), 8 deletions(-)
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--- a/arch/m68k/coldfire/m5441x/fec.c
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+++ b/arch/m68k/coldfire/m5441x/fec.c
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@@ -98,7 +98,7 @@ static struct fec_platform_data m54418_f
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};
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static struct platform_device fec0_coldfire_device = {
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- .name = "m54418-fec",
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+ .name = "coldfire-fec",
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.id = 0,
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.resource = fec0_resources,
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.num_resources = ARRAY_SIZE(fec0_resources),
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@@ -109,7 +109,7 @@ static struct platform_device fec0_coldf
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#if defined(CONFIG_FEC2)
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static struct platform_device fec1_coldfire_device = {
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- .name = "m54418-fec",
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+ .name = "coldfire-fec",
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.id = 1,
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.resource = fec1_resources,
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.num_resources = ARRAY_SIZE(fec1_resources),
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--- a/arch/m68k/coldfire/m5445x/fec.c
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+++ b/arch/m68k/coldfire/m5445x/fec.c
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@@ -34,6 +34,10 @@
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#include <linux/skbuff.h>
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#include <linux/spinlock.h>
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#include <linux/workqueue.h>
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+#include <linux/platform_device.h>
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+#include <linux/fec.h>
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+#include <linux/io.h>
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+
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#include <asm/pgtable.h>
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#include <asm/traps.h>
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@@ -89,19 +93,28 @@ static struct resource fec1_resources[]
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};
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#endif
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+static struct fec_platform_data m5445x_fec_pdata = {
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+ .phy = PHY_INTERFACE_MODE_RMII,
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+};
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static struct platform_device fec0_coldfire_device = {
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- .name = "fec",
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+ .name = "coldfire-fec",
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.id = 0,
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.resource = fec0_resources,
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.num_resources = ARRAY_SIZE(fec0_resources),
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+ .dev = {
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+ .platform_data = &m5445x_fec_pdata,
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+ }
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};
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#if defined(CONFIG_FEC2)
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static struct platform_device fec1_coldfire_device = {
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- .name = "fec",
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+ .name = "coldfire-fec",
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.id = 1,
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.resource = fec1_resources,
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.num_resources = ARRAY_SIZE(fec1_resources),
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+ .dev = {
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+ .platform_data = &m5445x_fec_pdata,
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+ }
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};
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#endif
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--- a/drivers/net/fec.c
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+++ b/drivers/net/fec.c
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@@ -76,7 +76,7 @@ static struct platform_device_id fec_dev
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.name = "imx28-fec",
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.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME,
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}, {
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- .name = "m54418-fec",
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+ .name = "coldfire-fec",
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.driver_data = FEC_QUIRK_ENET_MAC,
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},
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{ }
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@@ -341,8 +341,9 @@ fec_enet_start_xmit(struct sk_buff *skb,
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/* Push the data cache so the CPM does not get stale memory
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* data.
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*/
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- bdp->cbd_bufaddr = dma_map_single(&dev->dev, bufaddr,
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- FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
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+ bdp->cbd_bufaddr = __pa(bufaddr);
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+ flush_dcache_range((unsigned long)skb->data,
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+ (unsigned long)skb->data + skb->len);
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/* Send it on its way. Tell FEC it's ready, interrupt when done,
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* it's the last BD of the frame, and to put the CRC on the end.
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@@ -1074,7 +1075,7 @@ static int fec_enet_alloc_buffers(struct
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bdp = fep->tx_bd_base;
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for (i = 0; i < TX_RING_SIZE; i++) {
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- fep->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL);
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+ fep->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_DMA);
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bdp->cbd_sc = 0;
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bdp->cbd_bufaddr = 0;
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