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authorFlorian Fainelli <florian@openwrt.org>2012-10-25 11:54:41 +0000
committerFlorian Fainelli <florian@openwrt.org>2012-10-25 11:54:41 +0000
commitdea2da55df30441adb22501d9a596d5c6b67228b (patch)
tree357df83fc213eb4aa9ea5eab36b74fcbe0c7d190
parent917670922b4691b622065a8a280a36298e24abd7 (diff)
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fix Ethernet DMA for 636x and 6328 after r33916
SVN-Revision: 33918
-rw-r--r--target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch61
1 files changed, 49 insertions, 12 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch b/target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch
index a3a8467..5ffbe73 100644
--- a/target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch
+++ b/target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch
@@ -105,6 +105,17 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
ret = platform_device_register(pdev);
if (ret)
return ret;
+@@ -248,6 +303,10 @@ bcm63xx_enetsw_register(const struct bcm
+ else if (BCMCPU_IS_6368())
+ enetsw_pd.num_ports = ENETSW_PORTS_6368;
+
++ enetsw_pd.dma_chan_width = ENETDMA_CHAN_WIDTH;
++ enetsw_pd.dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
++ enetsw_pd.dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
++
+ ret = platform_device_register(&bcm63xx_enetsw_device);
+ if (ret)
+ return ret;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -715,6 +715,8 @@
@@ -536,8 +547,8 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* mask all interrupts and request them */
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->rx_chan);
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->tx_chan);
++ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->rx_chan);
++ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->tx_chan);
ret = request_irq(priv->irq_rx, bcm_enet_isr_dma,
IRQF_DISABLED, dev->name, dev);
@@ -568,10 +579,10 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* set dma maximum burst len */
enet_dmac_writel(priv, priv->dma_maxburst,
- ENETDMAC_MAXBURST_REG(priv->rx_chan));
-+ ENETDMAC_MAXBURST_REG, priv->rx_chan);
++ ENETDMAC_MAXBURST, priv->rx_chan);
enet_dmac_writel(priv, priv->dma_maxburst,
- ENETDMAC_MAXBURST_REG(priv->tx_chan));
-+ ENETDMAC_MAXBURST_REG, priv->tx_chan);
++ ENETDMAC_MAXBURST, priv->tx_chan);
/* set flow control low/high threshold to 1/3 / 2/3 */
val = priv->rx_ring_size / 3;
@@ -580,25 +591,25 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
enet_dma_writel(priv, ENETDMA_CFG_EN_MASK, ENETDMA_CFG_REG);
enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
- ENETDMAC_CHANCFG_REG(priv->rx_chan));
-+ ENETDMAC_CHANCFG_REG, priv->rx_chan);
++ ENETDMAC_CHANCFG, priv->rx_chan);
/* watch "packet transferred" interrupt in rx and tx */
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->rx_chan));
-+ ENETDMAC_IR_REG, priv->rx_chan);
++ ENETDMAC_IR, priv->rx_chan);
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->tx_chan));
-+ ENETDMAC_IR_REG, priv->tx_chan);
++ ENETDMAC_IR, priv->tx_chan);
/* make sure we enable napi before rx interrupt */
napi_enable(&priv->napi);
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ ENETDMAC_IRMASK_REG, priv->rx_chan);
++ ENETDMAC_IRMASK, priv->rx_chan);
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ ENETDMAC_IRMASK_REG, priv->tx_chan);
++ ENETDMAC_IRMASK, priv->tx_chan);
netif_carrier_on(dev);
netif_start_queue(dev);
@@ -608,11 +619,21 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* mask all interrupts */
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->rx_chan);
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->tx_chan);
++ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->rx_chan);
++ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->tx_chan);
/* disable dma & mac */
bcm_enet_disable_dma(priv, priv->tx_chan);
+@@ -2757,6 +2793,9 @@ static int __devinit bcm_enetsw_probe(st
+ memcpy(priv->used_ports, pd->used_ports,
+ sizeof (pd->used_ports));
+ priv->num_ports = pd->num_ports;
++ priv->dma_chan_en_mask = pd->dma_chan_en_mask;
++ priv->dma_chan_int_mask = pd->dma_chan_int_mask;
++ priv->dma_chan_width = pd->dma_chan_width;
+ }
+
+ ret = compute_hw_mtu(priv, dev->mtu);
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
@@ -367,6 +367,21 @@ struct bcm_enet_priv {
@@ -689,7 +710,23 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
};
/*
-@@ -72,4 +89,66 @@ int __init bcm63xx_enet_register(int uni
+@@ -64,6 +81,15 @@ struct bcm63xx_enetsw_platform_data {
+ char mac_addr[ETH_ALEN];
+ int num_ports;
+ struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
++
++ /* DMA channel enable mask */
++ u32 dma_chan_en_mask;
++
++ /* DMA channel interrupt mask */
++ u32 dma_chan_int_mask;
++
++ /* DMA channel register width */
++ unsigned int dma_chan_width;
+ };
+
+ int __init bcm63xx_enet_register(int unit,
+@@ -72,4 +98,66 @@ int __init bcm63xx_enet_register(int uni
int __init
bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);