---
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
-@@ -172,7 +172,7 @@ int __init bcm63xx_enet_register(int uni
+@@ -9,10 +9,44 @@
+ #include <linux/init.h>
+ #include <linux/kernel.h>
+ #include <linux/platform_device.h>
++#include <linux/export.h>
+ #include <bcm63xx_dev_enet.h>
+ #include <bcm63xx_io.h>
+ #include <bcm63xx_regs.h>
+
++#ifdef BCMCPU_RUNTIME_DETECT
++static const unsigned long bcm6xxx_regs_enetdmac[] = {
++ [ENETDMAC_CHANCFG] = ENETDMAC_CHANCFG_REG,
++ [ENETDMAC_IR] = ENETDMAC_IR_REG,
++ [ENETDMAC_IRMASK] = ENETDMAC_IRMASK_REG,
++ [ENETDMAC_MAXBURST] = ENETDMAC_MAXBURST_REG,
++};
++
++static const unsigned long bcm6345_regs_enetdmac[] = {
++ [ENETDMAC_CHANCFG] = ENETDMA_6345_CHANCFG_REG,
++ [ENETDMAC_IR] = ENETDMA_6345_IR_REG,
++ [ENETDMAC_IRMASK] = ENETDMA_6345_IRMASK_REG,
++ [ENETDMAC_MAXBURST] = ENETDMA_6345_MAXBURST_REG,
++ [ENETDMAC_BUFALLOC] = ENETDMA_6345_BUFALLOC_REG,
++ [ENETDMAC_RSTART] = ENETDMA_6345_RSTART_REG,
++ [ENETDMAC_FC] = ENETDMA_6345_FC_REG,
++ [ENETDMAC_LEN] = ENETDMA_6345_LEN_REG,
++};
++
++const unsigned long *bcm63xx_regs_enetdmac;
++EXPORT_SYMBOL(bcm63xx_regs_enetdmac);
++
++static __init void bcm63xx_enetdmac_regs_init(void)
++{
++ if (BCMCPU_IS_6345())
++ bcm63xx_regs_enetdmac = bcm6345_regs_enetdmac;
++ else
++ bcm63xx_regs_enetdmac = bcm6xxx_regs_enetdmac;
++}
++#else
++static __init void bcm63xx_enetdmac_regs_init(void) { }
++#endif
++
+ static struct resource shared_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+@@ -137,12 +171,19 @@ static int __init register_shared(void)
+ if (shared_device_registered)
+ return 0;
+
++ bcm63xx_enetdmac_regs_init();
++
+ shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
+ shared_res[0].end = shared_res[0].start;
+- shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
++ if (BCMCPU_IS_6345())
++ shared_res[0].end += (RSET_6345_ENETDMA_SIZE) - 1;
++ else
++ shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
+
+ if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368())
+ chan_count = 32;
++ else if (BCMCPU_IS_6345())
++ chan_count = 8;
+ else
+ chan_count = 16;
+
+@@ -172,7 +213,7 @@ int __init bcm63xx_enet_register(int uni
if (unit > 1)
return -ENODEV;
return -ENODEV;
ret = register_shared();
+@@ -213,6 +254,20 @@ int __init bcm63xx_enet_register(int uni
+ dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
+ }
+
++ dpd->dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
++ dpd->dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
++ if (BCMCPU_IS_6345()) {
++ dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_CHAINING_MASK;
++ dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_WRAP_EN_MASK;
++ dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_FLOWC_EN_MASK;
++ dpd->dma_chan_int_mask |= ENETDMA_IR_BUFDONE_MASK;
++ dpd->dma_chan_int_mask |= ENETDMA_IR_NOTOWNER_MASK;
++ dpd->dma_chan_width = ENETDMA_6345_CHAN_WIDTH;
++ dpd->dma_no_sram = 1;
++ dpd->dma_desc_shift = ENETDMA_6345_DESC_SHIFT;
++ } else
++ dpd->dma_chan_width = ENETDMA_CHAN_WIDTH;
++
+ ret = platform_device_register(pdev);
+ if (ret)
+ return ret;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -764,6 +764,37 @@
+@@ -715,6 +715,8 @@
+ /*************************************************************************
+ * _REG relative to RSET_ENETDMA
+ *************************************************************************/
++#define ENETDMA_CHAN_WIDTH 0x10
++#define ENETDMA_6345_CHAN_WIDTH 0x40
+
+ /* Controller Configuration Register */
+ #define ENETDMA_CFG_REG (0x0)
+@@ -764,29 +766,54 @@
/* State Ram Word 4 */
#define ENETDMA_SRAM4_REG(x) (0x20c + (x) * 0x10)
+/* Broadcom 6345 ENET DMA definitions */
-+#define ENETDMA_6345_CHANCFG_REG(x) (0x00 + (x) * 0x40)
-+#define ENETDMA_6345_CHANCFG_EN_SHIFT 0
-+#define ENETDMA_6345_CHANCFG_EN_MASK (1 << ENETDMA_6345_CHANCFG_EN_SHIFT)
-+#define ENETDMA_6345_PKTHALT_SHIFT 1
-+#define ENETDMA_6345_PKTHALT_MASK (1 << ENETDMA_6345_PKTHALT_SHIFT)
-+#define ENETDMA_6345_CHAINING_SHIFT 2
-+#define ENETDMA_6345_CHAINING_MASK (1 << ENETDMA_6345_CHAINING_SHIFT)
-+#define ENETDMA_6345_WRAP_EN_SHIFT 3
-+#define ENETDMA_6345_WRAP_EN_MASK (1 << ENETDMA_6345_WRAP_EN_SHIFT)
-+#define ENETDMA_6345_FLOWC_EN_SHIFT 4
-+#define ENETDMA_6345_FLOWC_EN_MASK (1 << ENETDMA_6345_FLOWC_EN_SHIFT)
++#define ENETDMA_6345_CHANCFG_REG (0x00)
+
-+#define ENETDMA_6345_MAXBURST_REG(x) (0x04 + (x) * 0x40)
++#define ENETDMA_6345_MAXBURST_REG (0x04)
+
-+#define ENETDMA_6345_RSTART_REG(x) (0x08 + (x) * 0x40)
++#define ENETDMA_6345_RSTART_REG (0x08)
+
-+#define ENETDMA_6345_LEN_REG(x) (0x0C + (x) * 0x40)
++#define ENETDMA_6345_LEN_REG (0x0C)
+
-+#define ENETDMA_6345_BSTAT_REG(x) (0x10 + (x) * 0x40)
++#define ENETDMA_6345_IR_REG (0x14)
+
-+#define ENETDMA_6345_IR_REG(x) (0x14 + (x) * 0x40)
-+#define ENETDMA_6345_IR_BUFDONE_MASK (1 << 0)
-+#define ENETDMA_6345_IR_PKTDONE_MASK (1 << 1)
-+#define ENETDMA_6345_IR_NOTOWNER_MASK (1 << 2)
++#define ENETDMA_6345_IRMASK_REG (0x18)
+
-+#define ENETDMA_6345_IRMASK_REG(x) (0x18 + (x) * 0x40)
++#define ENETDMA_6345_FC_REG (0x1C)
+
-+#define ENETDMA_6345_FC_REG(x) (0x1C + (x) * 0x40)
++#define ENETDMA_6345_BUFALLOC_REG (0x20)
+
-+#define ENETDMA_6345_BUFALLOC_REG(x) (0x20 + (x) * 0x40)
++/* Shift down for EOP, SOP and WRAP bits */
++#define ENETDMA_6345_DESC_SHIFT (3)
/*************************************************************************
* _REG relative to RSET_ENETDMAC
+ *************************************************************************/
+
+ /* Channel Configuration register */
+-#define ENETDMAC_CHANCFG_REG(x) ((x) * 0x10)
++#define ENETDMAC_CHANCFG_REG (0x0)
+ #define ENETDMAC_CHANCFG_EN_SHIFT 0
+ #define ENETDMAC_CHANCFG_EN_MASK (1 << ENETDMA_CHANCFG_EN_SHIFT)
+ #define ENETDMAC_CHANCFG_PKTHALT_SHIFT 1
+ #define ENETDMAC_CHANCFG_PKTHALT_MASK (1 << ENETDMA_CHANCFG_PKTHALT_SHIFT)
++#define ENETDMAC_CHANCFG_CHAINING_SHIFT 2
++#define ENETDMAC_CHANCFG_CHAINING_MASK (1 << ENETDMAC_CHANCFG_CHAINING_SHIFT)
++#define ENETDMAC_CHANCFG_WRAP_EN_SHIFT 3
++#define ENETDMAC_CHANCFG_WRAP_EN_MASK (1 << ENETDMAC_CHANCFG_WRAP_EN_SHIFT)
++#define ENETDMAC_CHANCFG_FLOWC_EN_SHIFT 4
++#define ENETDMAC_CHANCFG_FLOWC_EN_MASK (1 << ENETDMAC_CHANCFG_FLOWC_EN_SHIFT)
+
+ /* Interrupt Control/Status register */
+-#define ENETDMAC_IR_REG(x) (0x4 + (x) * 0x10)
++#define ENETDMAC_IR_REG (0x4)
+ #define ENETDMAC_IR_BUFDONE_MASK (1 << 0)
+ #define ENETDMAC_IR_PKTDONE_MASK (1 << 1)
+ #define ENETDMAC_IR_NOTOWNER_MASK (1 << 2)
+
+ /* Interrupt Mask register */
+-#define ENETDMAC_IRMASK_REG(x) (0x8 + (x) * 0x10)
++#define ENETDMAC_IRMASK_REG (0x8)
+
+ /* Maximum Burst Length */
+-#define ENETDMAC_MAXBURST_REG(x) (0xc + (x) * 0x10)
++#define ENETDMAC_MAXBURST_REG (0xc)
+
+
+ /*************************************************************************
+@@ -794,16 +821,16 @@
+ *************************************************************************/
+
+ /* Ring Start Address register */
+-#define ENETDMAS_RSTART_REG(x) ((x) * 0x10)
++#define ENETDMAS_RSTART_REG (0x0)
+
+ /* State Ram Word 2 */
+-#define ENETDMAS_SRAM2_REG(x) (0x4 + (x) * 0x10)
++#define ENETDMAS_SRAM2_REG (0x4)
+
+ /* State Ram Word 3 */
+-#define ENETDMAS_SRAM3_REG(x) (0x8 + (x) * 0x10)
++#define ENETDMAS_SRAM3_REG (0x8)
+
+ /* State Ram Word 4 */
+-#define ENETDMAS_SRAM4_REG(x) (0xc + (x) * 0x10)
++#define ENETDMAS_SRAM4_REG (0xc)
+
+
+ /*************************************************************************
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
-@@ -32,6 +32,7 @@
- #include <linux/if_vlan.h>
+@@ -115,26 +115,28 @@ static inline void enet_dma_writel(struc
+ bcm_writel(val, bcm_enet_shared_base[0] + off);
+ }
- #include <bcm63xx_dev_enet.h>
-+#include <bcm63xx_cpu.h>
- #include "bcm63xx_enet.h"
+-static inline u32 enet_dmac_readl(struct bcm_enet_priv *priv, u32 off)
++static inline u32 enet_dmac_readl(struct bcm_enet_priv *priv, u32 off, int chan)
+ {
+- return bcm_readl(bcm_enet_shared_base[1] + off);
++ return bcm_readl(bcm_enet_shared_base[1] +
++ (bcm63xx_enetdmacreg(off) + (chan * priv->dma_chan_width)));
+ }
- static char bcm_enet_driver_name[] = "bcm63xx_enet";
-@@ -243,6 +244,7 @@ static void bcm_enet_mdio_write_mii(stru
- static int bcm_enet_refill_rx(struct net_device *dev)
+ static inline void enet_dmac_writel(struct bcm_enet_priv *priv,
+- u32 val, u32 off)
++ u32 val, u32 off, int chan)
{
- struct bcm_enet_priv *priv;
-+ unsigned int desc_shift = BCMCPU_IS_6345() ? DMADESC_6345_SHIFT : 0;
+- bcm_writel(val, bcm_enet_shared_base[1] + off);
++ bcm_writel(val, bcm_enet_shared_base[1] +
++ (bcm63xx_enetdmacreg(off) + (chan * priv->dma_chan_width)));
+ }
- priv = netdev_priv(dev);
+-static inline u32 enet_dmas_readl(struct bcm_enet_priv *priv, u32 off)
++static inline u32 enet_dmas_readl(struct bcm_enet_priv *priv, u32 off, int chan)
+ {
+- return bcm_readl(bcm_enet_shared_base[2] + off);
++ return bcm_readl(bcm_enet_shared_base[2] + (off + (chan * priv->dma_chan_width)));
+ }
+ static inline void enet_dmas_writel(struct bcm_enet_priv *priv,
+- u32 val, u32 off)
++ u32 val, u32 off, int chan)
+ {
+- bcm_writel(val, bcm_enet_shared_base[2] + off);
++ bcm_writel(val, bcm_enet_shared_base[2] + (off + (chan * priv->dma_chan_width)));
+ }
+
+ /*
@@ -270,7 +272,7 @@ static int bcm_enet_refill_rx(struct net
len_stat = priv->rx_skb_size << DMADESC_LENGTH_SHIFT;
len_stat |= DMADESC_OWNER_MASK;
if (priv->rx_dirty_desc == priv->rx_ring_size - 1) {
- len_stat |= DMADESC_WRAP_MASK;
-+ len_stat |= (DMADESC_WRAP_MASK >> desc_shift);
++ len_stat |= (DMADESC_WRAP_MASK >> priv->dma_desc_shift);
priv->rx_dirty_desc = 0;
} else {
priv->rx_dirty_desc++;
/* tell dma engine we allocated one buffer */
- enet_dma_writel(priv, 1, ENETDMA_BUFALLOC_REG(priv->rx_chan));
-+ if (!BCMCPU_IS_6345())
++ if (!priv->dma_no_sram)
+ enet_dma_writel(priv, 1, ENETDMA_BUFALLOC_REG(priv->rx_chan));
+ else
-+ enet_dma_writel(priv, 1, ENETDMA_6345_BUFALLOC_REG(priv->rx_chan));
++ enet_dmac_writel(priv, 1, ENETDMAC_BUFALLOC, priv->rx_chan);
}
/* If rx ring is still empty, set a timer to try allocating
-@@ -319,6 +324,7 @@ static int bcm_enet_receive_queue(struct
- struct bcm_enet_priv *priv;
- struct device *kdev;
- int processed;
-+ unsigned int desc_shift = BCMCPU_IS_6345() ? DMADESC_6345_SHIFT : 0;
-
- priv = netdev_priv(dev);
- kdev = &priv->pdev->dev;
-@@ -357,7 +363,7 @@ static int bcm_enet_receive_queue(struct
+@@ -357,7 +362,8 @@ static int bcm_enet_receive_queue(struct
/* if the packet does not have start of packet _and_
* end of packet flag set, then just recycle it */
- if ((len_stat & DMADESC_ESOP_MASK) != DMADESC_ESOP_MASK) {
-+ if ((len_stat & (DMADESC_ESOP_MASK >> desc_shift)) != (DMADESC_ESOP_MASK >> desc_shift)) {
++ if ((len_stat & (DMADESC_ESOP_MASK >> priv->dma_desc_shift)) !=
++ (DMADESC_ESOP_MASK >> priv->dma_desc_shift)) {
dev->stats.rx_dropped++;
continue;
}
-@@ -418,8 +424,15 @@ static int bcm_enet_receive_queue(struct
+@@ -418,8 +424,8 @@ static int bcm_enet_receive_queue(struct
bcm_enet_refill_rx(dev);
/* kick rx dma */
- enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
- ENETDMAC_CHANCFG_REG(priv->rx_chan));
-+ if (!BCMCPU_IS_6345())
-+ enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
-+ ENETDMAC_CHANCFG_REG(priv->rx_chan));
-+ else
-+ enet_dma_writel(priv, ENETDMA_6345_CHANCFG_EN_MASK |
-+ ENETDMA_6345_CHAINING_MASK |
-+ ENETDMA_6345_WRAP_EN_MASK |
-+ ENETDMA_6345_FLOWC_EN_MASK,
-+ ENETDMA_6345_CHANCFG_REG(priv->rx_chan));
++ enet_dmac_writel(priv, priv->dma_chan_en_mask,
++ ENETDMAC_CHANCFG, priv->rx_chan);
}
return processed;
-@@ -494,10 +507,21 @@ static int bcm_enet_poll(struct napi_str
+@@ -494,10 +500,10 @@ static int bcm_enet_poll(struct napi_str
dev = priv->net_dev;
/* ack interrupts */
- ENETDMAC_IR_REG(priv->rx_chan));
- enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IR_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IR_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IR_REG(priv->rx_chan));
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IR_REG(priv->tx_chan));
-+ }
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IR, priv->rx_chan);
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IR, priv->tx_chan);
/* reclaim sent skb */
tx_work_done = bcm_enet_tx_reclaim(dev, 0);
-@@ -516,10 +540,21 @@ static int bcm_enet_poll(struct napi_str
+@@ -516,10 +522,10 @@ static int bcm_enet_poll(struct napi_str
napi_complete(napi);
/* restore rx/tx interrupt */
- ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IRMASK_REG(priv->rx_chan));
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IRMASK_REG(priv->tx_chan));
-+ }
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IRMASK, priv->rx_chan);
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IRMASK, priv->tx_chan);
return rx_work_done;
}
-@@ -562,8 +597,13 @@ static irqreturn_t bcm_enet_isr_dma(int
+@@ -562,8 +568,8 @@ static irqreturn_t bcm_enet_isr_dma(int
priv = netdev_priv(dev);
/* mask rx/tx interrupts */
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, 0, ENETDMA_6345_IRMASK_REG(priv->rx_chan));
-+ enet_dma_writel(priv, 0, ENETDMA_6345_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);
napi_schedule(&priv->napi);
-@@ -579,6 +619,7 @@ static int bcm_enet_start_xmit(struct sk
- struct bcm_enet_desc *desc;
- u32 len_stat;
- int ret;
-+ unsigned int desc_shift = BCMCPU_IS_6345() ? DMADESC_6345_SHIFT : 0;
-
- priv = netdev_priv(dev);
-
-@@ -624,14 +665,14 @@ static int bcm_enet_start_xmit(struct sk
+@@ -624,14 +630,14 @@ static int bcm_enet_start_xmit(struct sk
DMA_TO_DEVICE);
len_stat = (skb->len << DMADESC_LENGTH_SHIFT) & DMADESC_LENGTH_MASK;
- len_stat |= DMADESC_ESOP_MASK |
-+ len_stat |= (DMADESC_ESOP_MASK >> desc_shift) |
++ len_stat |= (DMADESC_ESOP_MASK >> priv->dma_desc_shift) |
DMADESC_APPEND_CRC |
DMADESC_OWNER_MASK;
if (priv->tx_curr_desc == priv->tx_ring_size) {
priv->tx_curr_desc = 0;
- len_stat |= DMADESC_WRAP_MASK;
-+ len_stat |= (DMADESC_WRAP_MASK >> desc_shift);
++ len_stat |= (DMADESC_WRAP_MASK >> priv->dma_desc_shift);
}
priv->tx_desc_count--;
-@@ -642,8 +683,15 @@ static int bcm_enet_start_xmit(struct sk
+@@ -642,8 +648,8 @@ static int bcm_enet_start_xmit(struct sk
wmb();
/* kick tx dma */
- enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
- ENETDMAC_CHANCFG_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345())
-+ enet_dmac_writel(priv, ENETDMAC_CHANCFG_EN_MASK,
-+ ENETDMAC_CHANCFG_REG(priv->tx_chan));
-+ else
-+ enet_dma_writel(priv, ENETDMA_6345_CHANCFG_EN_MASK |
-+ ENETDMA_6345_CHAINING_MASK |
-+ ENETDMA_6345_WRAP_EN_MASK |
-+ ENETDMA_6345_FLOWC_EN_MASK,
-+ ENETDMA_6345_CHANCFG_REG(priv->tx_chan));
++ enet_dmac_writel(priv, priv->dma_chan_en_mask,
++ ENETDMAC_CHANCFG, priv->tx_chan);
/* stop queue if no more desc available */
if (!priv->tx_desc_count)
-@@ -771,6 +819,9 @@ static void bcm_enet_set_flow(struct bcm
+@@ -771,6 +777,9 @@ static void bcm_enet_set_flow(struct bcm
val &= ~ENET_RXCFG_ENFLOW_MASK;
enet_writel(priv, val, ENET_RXCFG_REG);
-+ if (BCMCPU_IS_6345())
++ if (priv->dma_no_sram)
+ return;
+
/* tx flow control (pause frame generation) */
val = enet_dma_readl(priv, ENETDMA_CFG_REG);
if (tx_en)
-@@ -886,8 +937,13 @@ static int bcm_enet_open(struct net_devi
+@@ -886,8 +895,8 @@ static int bcm_enet_open(struct net_devi
/* mask all interrupts and request them */
enet_writel(priv, 0, ENET_IRMASK_REG);
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, 0, ENETDMA_6345_IRMASK_REG(priv->rx_chan));
-+ enet_dma_writel(priv, 0, ENETDMA_6345_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(dev->irq, bcm_enet_isr_mac, 0, dev->name, dev);
if (ret)
-@@ -966,8 +1022,12 @@ static int bcm_enet_open(struct net_devi
+@@ -966,8 +975,12 @@ static int bcm_enet_open(struct net_devi
priv->rx_curr_desc = 0;
/* initialize flow control buffer allocation */
- enet_dma_writel(priv, ENETDMA_BUFALLOC_FORCE_MASK | 0,
- ENETDMA_BUFALLOC_REG(priv->rx_chan));
-+ if (!BCMCPU_IS_6345())
++ if (!priv->dma_no_sram)
+ enet_dma_writel(priv, ENETDMA_BUFALLOC_FORCE_MASK | 0,
+ ENETDMA_BUFALLOC_REG(priv->rx_chan));
+ else
-+ enet_dma_writel(priv, ENETDMA_BUFALLOC_FORCE_MASK | 0,
-+ ENETDMA_6345_BUFALLOC_REG(priv->rx_chan));
++ enet_dmac_writel(priv, ENETDMA_BUFALLOC_FORCE_MASK | 0,
++ ENETDMAC_BUFALLOC, priv->rx_chan);
if (bcm_enet_refill_rx(dev)) {
dev_err(kdev, "cannot allocate rx skb queue\n");
-@@ -976,37 +1036,62 @@ static int bcm_enet_open(struct net_devi
+@@ -976,18 +989,30 @@ static int bcm_enet_open(struct net_devi
}
/* write rx & tx ring addresses */
- enet_dmas_writel(priv, priv->rx_desc_dma,
- ENETDMAS_RSTART_REG(priv->rx_chan));
- enet_dmas_writel(priv, priv->tx_desc_dma,
-+ if (!BCMCPU_IS_6345()) {
+- ENETDMAS_RSTART_REG(priv->tx_chan));
++ if (!priv->dma_no_sram) {
+ enet_dmas_writel(priv, priv->rx_desc_dma,
-+ ENETDMAS_RSTART_REG(priv->rx_chan));
++ ENETDMAS_RSTART_REG, priv->rx_chan);
+ enet_dmas_writel(priv, priv->tx_desc_dma,
- ENETDMAS_RSTART_REG(priv->tx_chan));
++ ENETDMAS_RSTART_REG, priv->tx_chan);
+ } else {
-+ enet_dma_writel(priv, priv->rx_desc_dma,
-+ ENETDMA_6345_RSTART_REG(priv->rx_chan));
-+ enet_dma_writel(priv, priv->tx_desc_dma,
-+ ENETDMA_6345_RSTART_REG(priv->tx_chan));
++ enet_dmac_writel(priv, priv->rx_desc_dma,
++ ENETDMAC_RSTART, priv->rx_chan);
++ enet_dmac_writel(priv, priv->tx_desc_dma,
++ ENETDMAC_RSTART, priv->tx_chan);
+ }
/* clear remaining state ram for rx & tx channel */
- enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG(priv->tx_chan));
- enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->rx_chan));
- enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG(priv->rx_chan));
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG(priv->tx_chan));
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG(priv->rx_chan));
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG(priv->tx_chan));
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->rx_chan));
-+ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->tx_chan));
++ if (!priv->dma_no_sram) {
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG, priv->tx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG, priv->tx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG, priv->tx_chan);
+ } else {
-+ enet_dma_writel(priv, 0, ENETDMA_6345_FC_REG(priv->rx_chan));
-+ enet_dma_writel(priv, 0, ENETDMA_6345_FC_REG(priv->tx_chan));
++ enet_dmac_writel(priv, 0, ENETDMAC_FC, priv->rx_chan);
++ enet_dmac_writel(priv, 0, ENETDMAC_FC, priv->tx_chan);
+ }
/* set max rx/tx length */
enet_writel(priv, priv->hw_mtu, ENET_RXMAXLEN_REG);
- enet_writel(priv, priv->hw_mtu, ENET_TXMAXLEN_REG);
+@@ -995,18 +1020,24 @@ static int bcm_enet_open(struct net_devi
/* 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));
-- enet_dmac_writel(priv, priv->dma_maxburst,
++ ENETDMAC_MAXBURST, priv->rx_chan);
+ enet_dmac_writel(priv, priv->dma_maxburst,
- ENETDMAC_MAXBURST_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, priv->dma_maxburst,
-+ ENETDMAC_MAXBURST_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, priv->dma_maxburst,
-+ ENETDMAC_MAXBURST_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, BCMENET_DMA_MAXBURST,
-+ ENETDMA_6345_MAXBURST_REG(priv->rx_chan));
-+ enet_dma_writel(priv, BCMENET_DMA_MAXBURST,
-+ ENETDMA_6345_MAXBURST_REG(priv->tx_chan));
-+ }
++ ENETDMAC_MAXBURST, priv->tx_chan);
/* set correct transmit fifo watermark */
enet_writel(priv, BCMENET_TX_FIFO_TRESH, ENET_TXWMARK_REG);
- enet_dma_writel(priv, val, ENETDMA_FLOWCL_REG(priv->rx_chan));
- val = (priv->rx_ring_size * 2) / 3;
- enet_dma_writel(priv, val, ENETDMA_FLOWCH_REG(priv->rx_chan));
-+ if (!BCMCPU_IS_6345()) {
++ if (!priv->dma_no_sram) {
+ val = priv->rx_ring_size / 3;
+ enet_dma_writel(priv, val, ENETDMA_FLOWCL_REG(priv->rx_chan));
+ val = (priv->rx_ring_size * 2) / 3;
+ enet_dma_writel(priv, val, ENETDMA_FLOWCH_REG(priv->rx_chan));
+ } else {
-+ enet_dma_writel(priv, 5, ENETDMA_6345_FC_REG(priv->rx_chan));
-+ enet_dma_writel(priv, priv->rx_ring_size, ENETDMA_6345_LEN_REG(priv->rx_chan));
-+ enet_dma_writel(priv, priv->tx_ring_size, ENETDMA_6345_LEN_REG(priv->tx_chan));
++ enet_dmac_writel(priv, 5, ENETDMAC_FC, priv->rx_chan);
++ enet_dmac_writel(priv, priv->rx_ring_size, ENETDMAC_LEN, priv->rx_chan);
++ enet_dmac_writel(priv, priv->tx_ring_size, ENETDMAC_LEN, priv->tx_chan);
+ }
/* all set, enable mac and interrupts, start dma engine and
* kick rx dma channel */
-@@ -1014,27 +1099,57 @@ static int bcm_enet_open(struct net_devi
- val = enet_readl(priv, ENET_CTL_REG);
+@@ -1015,26 +1046,26 @@ static int bcm_enet_open(struct net_devi
val |= ENET_CTL_ENABLE_MASK;
enet_writel(priv, val, ENET_CTL_REG);
-- 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,
- ENETDMAC_CHANCFG_REG(priv->rx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ 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));
-+ } else {
-+ enet_dma_writel(priv, ENETDMA_6345_CHANCFG_EN_MASK |
-+ ENETDMA_6345_CHAINING_MASK |
-+ ENETDMA_6345_WRAP_EN_MASK |
-+ ENETDMA_6345_FLOWC_EN_MASK,
-+ ENETDMA_6345_CHANCFG_REG(priv->rx_chan));
-+ }
++ enet_dmac_writel(priv, priv->dma_chan_en_mask,
++ ENETDMAC_CHANCFG, priv->rx_chan);
/* watch "mib counters about to overflow" interrupt */
enet_writel(priv, ENET_IR_MIB, ENET_IR_REG);
- ENETDMAC_IR_REG(priv->rx_chan));
- enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IR_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IR_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IR_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IR_REG(priv->rx_chan));
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IR_REG(priv->tx_chan));
-+ }
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IR, priv->rx_chan);
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IR, priv->tx_chan);
/* make sure we enable napi before rx interrupt */
napi_enable(&priv->napi);
- ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
- ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
-+ ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IRMASK_REG(priv->rx_chan));
-+ enet_dma_writel(priv, ENETDMA_IR_BUFDONE_MASK |
-+ ENETDMA_IR_PKTDONE_MASK |
-+ ENETDMA_IR_NOTOWNER_MASK,
-+ ENETDMA_6345_IRMASK_REG(priv->tx_chan));
-+ }
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IRMASK, priv->rx_chan);
++ enet_dmac_writel(priv, priv->dma_chan_int_mask,
++ ENETDMAC_IRMASK, priv->tx_chan);
if (priv->has_phy)
phy_start(priv->phydev);
-@@ -1111,13 +1226,19 @@ static void bcm_enet_disable_dma(struct
+@@ -1111,13 +1142,13 @@ static void bcm_enet_disable_dma(struct
{
int limit;
- enet_dmac_writel(priv, 0, ENETDMAC_CHANCFG_REG(chan));
-+ if (!BCMCPU_IS_6345())
-+ enet_dmac_writel(priv, 0, ENETDMAC_CHANCFG_REG(chan));
-+ else
-+ enet_dma_writel(priv, 0, ENETDMA_6345_CHANCFG_REG(chan));
++ enet_dmac_writel(priv, 0, ENETDMAC_CHANCFG, chan);
limit = 1000;
do {
u32 val;
- val = enet_dmac_readl(priv, ENETDMAC_CHANCFG_REG(chan));
-+ if (!BCMCPU_IS_6345())
-+ val = enet_dmac_readl(priv, ENETDMAC_CHANCFG_REG(chan));
-+ else
-+ val = enet_dma_readl(priv, ENETDMA_6345_CHANCFG_REG(chan));
++ val = enet_dmac_readl(priv, ENETDMAC_CHANCFG, chan);
if (!(val & ENETDMAC_CHANCFG_EN_MASK))
break;
udelay(1);
-@@ -1144,8 +1265,13 @@ static int bcm_enet_stop(struct net_devi
+@@ -1144,8 +1175,8 @@ static int bcm_enet_stop(struct net_devi
/* mask all interrupts */
enet_writel(priv, 0, ENET_IRMASK_REG);
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
- enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ if (!BCMCPU_IS_6345()) {
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->rx_chan));
-+ enet_dmac_writel(priv, 0, ENETDMAC_IRMASK_REG(priv->tx_chan));
-+ } else {
-+ enet_dma_writel(priv, 0, ENETDMA_6345_IRMASK_REG(priv->rx_chan));
-+ enet_dma_writel(priv, 0, ENETDMA_6345_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);
/* make sure no mib update is scheduled */
cancel_work_sync(&priv->mib_update_task);
-@@ -1680,6 +1806,7 @@ static int __devinit bcm_enet_probe(stru
- struct mii_bus *bus;
- const char *clk_name;
- int i, ret;
-+ unsigned int chan_offset = 0;
-
- /* stop if shared driver failed, assume driver->probe will be
- * called in the same order we register devices (correct ?) */
-@@ -1722,10 +1849,13 @@ static int __devinit bcm_enet_probe(stru
- priv->irq_tx = res_irq_tx->start;
- priv->mac_id = pdev->id;
+@@ -1757,6 +1788,11 @@ static int __devinit bcm_enet_probe(stru
+ priv->pause_tx = pd->pause_tx;
+ priv->force_duplex_full = pd->force_duplex_full;
+ priv->force_speed_100 = pd->force_speed_100;
++ 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;
++ priv->dma_no_sram = pd->dma_no_sram;
++ priv->dma_desc_shift = pd->dma_desc_shift;
+ }
-+ if (BCMCPU_IS_6345())
-+ chan_offset = 1;
-+
- /* get rx & tx dma channel id for this mac */
- if (priv->mac_id == 0) {
-- priv->rx_chan = 0;
-- priv->tx_chan = 1;
-+ priv->rx_chan = 0 + chan_offset;
-+ priv->tx_chan = 1 + chan_offset;
- clk_name = "enet0";
- } else {
- priv->rx_chan = 2;
+ if (priv->mac_id == 0 && priv->has_phy && !priv->use_external_mii) {
+@@ -2144,8 +2180,8 @@ static int bcm_enetsw_open(struct net_de
+ kdev = &priv->pdev->dev;
+
+ /* 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);
+
+ ret = request_irq(priv->irq_rx, bcm_enet_isr_dma,
+ IRQF_DISABLED, dev->name, dev);
+@@ -2269,23 +2305,23 @@ static int bcm_enetsw_open(struct net_de
+
+ /* write rx & tx ring addresses */
+ enet_dmas_writel(priv, priv->rx_desc_dma,
+- ENETDMAS_RSTART_REG(priv->rx_chan));
++ ENETDMAS_RSTART_REG, priv->rx_chan);
+ enet_dmas_writel(priv, priv->tx_desc_dma,
+- ENETDMAS_RSTART_REG(priv->tx_chan));
++ ENETDMAS_RSTART_REG, priv->tx_chan);
+
+ /* clear remaining state ram for rx & tx channel */
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG(priv->rx_chan));
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG(priv->tx_chan));
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG(priv->rx_chan));
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG(priv->tx_chan));
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->rx_chan));
+- enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG(priv->tx_chan));
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM2_REG, priv->tx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM3_REG, priv->tx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG, priv->rx_chan);
++ enet_dmas_writel(priv, 0, ENETDMAS_SRAM4_REG, priv->tx_chan);
+
+ /* set dma maximum burst len */
+ enet_dmac_writel(priv, priv->dma_maxburst,
+- ENETDMAC_MAXBURST_REG(priv->rx_chan));
++ ENETDMAC_MAXBURST_REG, priv->rx_chan);
+ enet_dmac_writel(priv, priv->dma_maxburst,
+- ENETDMAC_MAXBURST_REG(priv->tx_chan));
++ ENETDMAC_MAXBURST_REG, priv->tx_chan);
+
+ /* set flow control low/high threshold to 1/3 / 2/3 */
+ val = priv->rx_ring_size / 3;
+@@ -2298,21 +2334,21 @@ static int bcm_enetsw_open(struct net_de
+ wmb();
+ 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);
+
+ /* 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);
+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
+- ENETDMAC_IR_REG(priv->tx_chan));
++ ENETDMAC_IR_REG, 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);
+ enet_dmac_writel(priv, ENETDMAC_IR_PKTDONE_MASK,
+- ENETDMAC_IRMASK_REG(priv->tx_chan));
++ ENETDMAC_IRMASK_REG, priv->tx_chan);
+
+ netif_carrier_on(dev);
+ netif_start_queue(dev);
+@@ -2419,8 +2455,8 @@ static int bcm_enetsw_stop(struct net_de
+ del_timer_sync(&priv->rx_timeout);
+
+ /* 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);
+
+ /* disable dma & mac */
+ bcm_enet_disable_dma(priv, priv->tx_chan);
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
-@@ -47,6 +47,9 @@ struct bcm_enet_desc {
- #define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
- #define DMADESC_WRAP_MASK (1 << 12)
-
-+/* Shift down for EOP, SOP and WRAP bits */
-+#define DMADESC_6345_SHIFT (3)
+@@ -367,6 +367,21 @@ struct bcm_enet_priv {
+ /* used to poll switch port state */
+ struct timer_list swphy_poll;
+ spinlock_t enetsw_mdio_lock;
++
++ /* dma channel enable mask */
++ u32 dma_chan_en_mask;
++
++ /* dma channel interrupt mask */
++ u32 dma_chan_int_mask;
++
++ /* dma engine has *no* internal SRAM */
++ unsigned int dma_no_sram;
++
++ /* dma channel width */
++ unsigned int dma_chan_width;
++
++ /* dma descriptor shift value */
++ unsigned int dma_desc_shift;
+ };
+
+ static inline int bcm_enet_port_is_rgmii(int portid)
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+@@ -173,6 +173,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6368_RSET_SPI_SIZE 1804
+ #define RSET_ENET_SIZE 2048
+ #define RSET_ENETDMA_SIZE 256
++#define RSET_6345_ENETDMA_SIZE 64
+ #define RSET_ENETDMAC_SIZE(chans) (16 * (chans))
+ #define RSET_ENETDMAS_SIZE(chans) (16 * (chans))
+ #define RSET_ENETSW_SIZE 65536
+@@ -299,7 +300,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6345_USBDMA_BASE (0xfffe2800)
+ #define BCM_6345_ENET0_BASE (0xfffe1800)
+ #define BCM_6345_ENETDMA_BASE (0xfffe2800)
+-#define BCM_6345_ENETDMAC_BASE (0xfffe2900)
++#define BCM_6345_ENETDMAC_BASE (0xfffe2840)
+ #define BCM_6345_ENETDMAS_BASE (0xfffe2a00)
+ #define BCM_6345_ENETSW_BASE (0xdeadbeef)
+ #define BCM_6345_PCMCIA_BASE (0xfffe2028)
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+@@ -4,6 +4,8 @@
+ #include <linux/if_ether.h>
+ #include <linux/init.h>
+
++#include <bcm63xx_regs.h>
++
+ /*
+ * on board ethernet platform data
+ */
+@@ -37,6 +39,21 @@ struct bcm63xx_enet_platform_data {
+ int phy_id, int reg),
+ void (*mii_write)(struct net_device *dev,
+ int phy_id, int reg, int val));
++
++ /* DMA channel enable mask */
++ u32 dma_chan_en_mask;
++
++ /* DMA channel interrupt mask */
++ u32 dma_chan_int_mask;
++
++ /* Set to one if DMA engine has *no* SRAM */
++ unsigned int dma_no_sram;
++
++ /* DMA channel register width */
++ unsigned int dma_chan_width;
++
++ /* DMA descriptor shift */
++ unsigned int dma_desc_shift;
+ };
+
+ /*
+@@ -72,4 +89,66 @@ int __init bcm63xx_enet_register(int uni
+ int __init
+ bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);
+
++enum bcm63xx_regs_enetdmac {
++ ENETDMAC_CHANCFG,
++ ENETDMAC_IR,
++ ENETDMAC_IRMASK,
++ ENETDMAC_MAXBURST,
++ ENETDMAC_BUFALLOC,
++ ENETDMAC_RSTART,
++ ENETDMAC_FC,
++ ENETDMAC_LEN,
++};
++
++static inline unsigned long bcm63xx_enetdmacreg(enum bcm63xx_regs_enetdmac reg)
++{
++#ifdef BCMCPU_RUNTIME_DETECT
++ extern const unsigned long *bcm63xx_regs_enetdmac;
++
++ return bcm63xx_regs_enetdmac[reg];
++#else
++#ifdef CONFIG_BCM63XX_CPU_6345
++ switch (reg) {
++ case ENETDMAC_CHANCFG:
++ return ENETDMA_6345_CHANCFG_REG;
++ case ENETDMAC_IR:
++ return ENETDMA_6345_IR_REG;
++ case ENETDMAC_IRMASK:
++ return ENETDMA_6345_IRMASK_REG;
++ case ENETDMAC_MAXBURST:
++ return ENETDMA_6345_MAXBURST_REG;
++ case ENETDMAC_BUFALLOC:
++ return ENETDMA_6345_BUFALLOC_REG;
++ case ENETDMAC_RSTART:
++ return ENETDMA_6345_RSTART_REG;
++ case ENETDMAC_FC:
++ return ENETDMA_6345_FC_REG;
++ case ENETDMAC_LEN:
++ return ENETDMA_6345_LEN_REG;
++ }
++#endif
++#if defined(CONFIG_BCM6XX_CPU_6338) || defined(CONFIG_BCM63XX_CPU_6348) \
++ defined(CONFIG_BCM63XX_CPU_6358) || defined(CONFIG_BCM63XX_CPU_6362) \
++ defined(CONFIG_BCM63XX_CPU_6368)
++ switch (reg) {
++ case ENETDMAC_CHANCFG:
++ return ENETDMAC_CHANCFG_REG;
++ case ENETDMAC_IR:
++ return ENETDMAC_IR_REG;
++ case ENETDMAC_IRMASK:
++ return ENETDMAC_IRMASK_REG;
++ case ENETDMAC_MAXBURST:
++ return ENETDMAC_MAXBURST_REG;
++ case ENETDMAC_BUFALLOC:
++ case ENETDMAC_RSTART:
++ case ENETDMAC_FC:
++ case ENETDMAC_LEN:
++ return 0;
++ }
++#endif
++#endif
++ return 0;
++}
++
+
- #define DMADESC_UNDER_MASK (1 << 9)
- #define DMADESC_APPEND_CRC (1 << 8)
- #define DMADESC_OVSIZE_MASK (1 << 4)
+ #endif /* ! BCM63XX_DEV_ENET_H_ */
projects / openwrt / staging / jow.git / commitdiff