diff options
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/443-MIPS-BCM63XX-enable-enet-for-BCM6345.patch | 771 |
1 files changed, 510 insertions, 261 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 df7ef33887..a3a846703e 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 @@ -9,7 +9,73 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> --- --- 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; @@ -18,70 +84,163 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> 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++; @@ -90,49 +249,35 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> /* 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 */ @@ -140,25 +285,14 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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 */ @@ -166,54 +300,30 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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; @@ -221,86 +331,75 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> 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 */ @@ -310,38 +409,29 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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); @@ -351,37 +441,27 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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); @@ -392,21 +472,10 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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); @@ -415,95 +484,275 @@ Signed-off-by: Florian Fainelli <florian@openwrt.org> - 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_ */ |