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Code

bcm63xx: fix Ethernet DMA for 636x and 6328 for 3.6

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34136 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jogo 2012-11-10 19:59:07 +00:00
parent 69820b044e
commit 68248250aa
1 changed files with 52 additions and 15 deletions
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67
target/linux/brcm63xx/patches-3.6/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch
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@ -105,9 +105,20 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
ret = platform_device_register(pdev); ret = platform_device_register(pdev);
if (ret) if (ret)
return 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 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -709,6 +709,8 @@ @@ -715,6 +715,8 @@
/************************************************************************* /*************************************************************************
* _REG relative to RSET_ENETDMA * _REG relative to RSET_ENETDMA
*************************************************************************/ *************************************************************************/
@ -116,7 +127,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* Controller Configuration Register */ /* Controller Configuration Register */
#define ENETDMA_CFG_REG (0x0) #define ENETDMA_CFG_REG (0x0)
@@ -758,29 +760,54 @@ @@ -764,29 +766,54 @@
/* State Ram Word 4 */ /* State Ram Word 4 */
#define ENETDMA_SRAM4_REG(x) (0x20c + (x) * 0x10) #define ENETDMA_SRAM4_REG(x) (0x20c + (x) * 0x10)
@ -175,7 +186,7 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/************************************************************************* /*************************************************************************
@@ -788,16 +815,16 @@ @@ -794,16 +821,16 @@
*************************************************************************/ *************************************************************************/
/* Ring Start Address register */ /* Ring Start Address register */
@ -536,8 +547,8 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* mask all interrupts and request them */ /* 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->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_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, priv->rx_chan);
+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->tx_chan); + enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->tx_chan);
ret = request_irq(priv->irq_rx, bcm_enet_isr_dma, ret = request_irq(priv->irq_rx, bcm_enet_isr_dma,
IRQF_DISABLED, dev->name, dev); IRQF_DISABLED, dev->name, dev);
@ -568,10 +579,10 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* set dma maximum burst len */ /* set dma maximum burst len */
enet_dmac_writel(priv, priv->dma_maxburst, enet_dmac_writel(priv, priv->dma_maxburst,
- ENETDMAC_MAXBURST_REG(priv->rx_chan)); - ENETDMAC_MAXBURST_REG(priv->rx_chan));
+ ENETDMAC_MAXBURST_REG, priv->rx_chan); + ENETDMAC_MAXBURST, priv->rx_chan);
enet_dmac_writel(priv, priv->dma_maxburst, enet_dmac_writel(priv, priv->dma_maxburst,
- ENETDMAC_MAXBURST_REG(priv->tx_chan)); - 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 */ /* set flow control low/high threshold to 1/3 / 2/3 */
val = priv->rx_ring_size / 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_dma_writel(priv, ENETDMA_CFG_EN_MASK, ENETDMA_CFG_REG);
enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK, enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
- ENETDMAC_CHANCFG_REG(priv->rx_chan)); - 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 */ /* watch "packet transferred" interrupt in rx and tx */
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK, enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->rx_chan)); - 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, enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->tx_chan)); - 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 */ /* make sure we enable napi before rx interrupt */
napi_enable(&priv->napi); napi_enable(&priv->napi);
enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK, enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->rx_chan)); - 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, enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->tx_chan)); - ENETDMAC_IRMASK_REG(priv->tx_chan));
+ ENETDMAC_IRMASK_REG, priv->tx_chan); + ENETDMAC_IRMASK, priv->tx_chan);
netif_carrier_on(dev); netif_carrier_on(dev);
netif_start_queue(dev); netif_start_queue(dev);
@ -608,11 +619,21 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org>
/* mask all interrupts */ /* mask all interrupts */
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_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_REG(priv->tx_chan));
+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->rx_chan); + enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->rx_chan);
+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG, priv->tx_chan); + enet_dmac_writel(priv, 0, ENETDMAC_IRMASK, priv->tx_chan);
/* disable dma & mac */ /* disable dma & mac */
bcm_enet_disable_dma(priv, priv->tx_chan); 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 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
@@ -367,6 +367,21 @@ struct bcm_enet_priv { @@ -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 int __init
bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd); bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);