[PATCH] sgiseeq: Configure PIO and DMA timing requests.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 drivers/net/sgiseeq.c       |   28 ++++++++++++++--------------
 include/asm-mips/sgi/hpc3.h |   40 ++++++++++++++++++++--------------------
 2 files changed, 34 insertions(+), 34 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c
index a9d2e4f..a4614df 100644 (file)
--- a/drivers/net/sgiseeq.c
+++ b/drivers/net/sgiseeq.c
@@ -32,8 +32,6 @@
 
 #include "sgiseeq.h"
 
-static char *version = "sgiseeq.c: David S. Miller (dm@engr.sgi.com)\n";
-
 static char *sgiseeqstr = "SGI Seeq8003";
 
 /*
@@ -113,9 +111,9 @@ static struct net_device *root_sgiseeq_dev;
 
 static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)
 {
-       hregs->rx_reset = HPC3_ERXRST_CRESET | HPC3_ERXRST_CLRIRQ;
+       hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ;
        udelay(20);
-       hregs->rx_reset = 0;
+       hregs->reset = 0;
 }
 
 static inline void reset_hpc3_and_seeq(struct hpc3_ethregs *hregs,
@@ -252,7 +250,6 @@ void sgiseeq_dump_rings(void)
 
 #define TSTAT_INIT_SEEQ (SEEQ_TCMD_IPT|SEEQ_TCMD_I16|SEEQ_TCMD_IC|SEEQ_TCMD_IUF)
 #define TSTAT_INIT_EDLC ((TSTAT_INIT_SEEQ) | SEEQ_TCMD_RB2)
-#define RDMACFG_INIT    (HPC3_ERXDCFG_FRXDC | HPC3_ERXDCFG_FEOP | HPC3_ERXDCFG_FIRQ)
 
 static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
                     struct sgiseeq_regs *sregs)
@@ -274,8 +271,6 @@ static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
                sregs->tstat = TSTAT_INIT_SEEQ;
        }
 
-       hregs->rx_dconfig |= RDMACFG_INIT;
-
        hregs->rx_ndptr = CPHYSADDR(sp->rx_desc);
        hregs->tx_ndptr = CPHYSADDR(sp->tx_desc);
 
@@ -446,7 +441,7 @@ static irqreturn_t sgiseeq_interrupt(int irq, void *dev_id, struct pt_regs *regs
        spin_lock(&sp->tx_lock);
 
        /* Ack the IRQ and set software state. */
-       hregs->rx_reset = HPC3_ERXRST_CLRIRQ;
+       hregs->reset = HPC3_ERST_CLRIRQ;
 
        /* Always check for received packets. */
        sgiseeq_rx(dev, sp, hregs, sregs);
@@ -646,7 +641,7 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc *buf, int nbufs)
 
 #define ALIGNED(x)  ((((unsigned long)(x)) + 0xf) & ~(0xf))
 
-static int sgiseeq_init(struct hpc3_regs* regs, int irq)
+static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq)
 {
        struct sgiseeq_init_block *sr;
        struct sgiseeq_private *sp;
@@ -682,8 +677,8 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq)
        gpriv = sp;
        gdev = dev;
 #endif
-       sp->sregs = (struct sgiseeq_regs *) &hpc3c0->eth_ext[0];
-       sp->hregs = &hpc3c0->ethregs;
+       sp->sregs = (struct sgiseeq_regs *) &hpcregs->eth_ext[0];
+       sp->hregs = &hpcregs->ethregs;
        sp->name = sgiseeqstr;
        sp->mode = SEEQ_RCMD_RBCAST;
 
@@ -700,6 +695,11 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq)
        setup_rx_ring(sp->rx_desc, SEEQ_RX_BUFFERS);
        setup_tx_ring(sp->tx_desc, SEEQ_TX_BUFFERS);
 
+       /* Setup PIO and DMA transfer timing */
+       sp->hregs->pconfig = 0x161;
+       sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
+                            HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026;
+
        /* Reset the chip. */
        hpc3_eth_reset(sp->hregs);
 
@@ -726,7 +726,7 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq)
                goto err_out_free_page;
        }
 
-       printk(KERN_INFO "%s: SGI Seeq8003 ", dev->name);
+       printk(KERN_INFO "%s: %s ", dev->name, sgiseeqstr);
        for (i = 0; i < 6; i++)
                printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
 
@@ -746,8 +746,6 @@ err_out:
 
 static int __init sgiseeq_probe(void)
 {
-       printk(version);
-
        /* On board adapter on 1st HPC is always present */
        return sgiseeq_init(hpc3c0, SGI_ENET_IRQ);
 }
@@ -769,4 +767,6 @@ static void __exit sgiseeq_exit(void)
 module_init(sgiseeq_probe);
 module_exit(sgiseeq_exit);
 
+MODULE_DESCRIPTION("SGI Seeq 8003 driver");
+MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>");
 MODULE_LICENSE("GPL");

diff --git a/include/asm-mips/sgi/hpc3.h b/include/asm-mips/sgi/hpc3.h
index ac3dfc7..fcec52b 100644 (file)
--- a/include/asm-mips/sgi/hpc3.h
+++ b/include/asm-mips/sgi/hpc3.h
@@ -128,26 +128,26 @@ struct hpc3_ethregs {
        volatile u32 rx_gfptr;  /* current GIO fifo ptr */
        volatile u32 rx_dfptr;  /* current device fifo ptr */
        u32 _unused1;           /* padding */
-       volatile u32 rx_reset;  /* reset register */
-#define HPC3_ERXRST_CRESET 0x1 /* Reset dma channel and external controller */
-#define HPC3_ERXRST_CLRIRQ 0x2 /* Clear channel interrupt */
-#define HPC3_ERXRST_LBACK  0x4 /* Enable diagnostic loopback mode of Seeq8003 */
-
-       volatile u32 rx_dconfig;        /* DMA configuration register */
-#define HPC3_ERXDCFG_D1    0x0000f /* Cycles to spend in D1 state for PIO */
-#define HPC3_ERXDCFG_D2    0x000f0 /* Cycles to spend in D2 state for PIO */
-#define HPC3_ERXDCFG_D3    0x00f00 /* Cycles to spend in D3 state for PIO */
-#define HPC3_ERXDCFG_WCTRL 0x01000 /* Enable writes of desc into ex ctrl port */
-#define HPC3_ERXDCFG_FRXDC 0x02000 /* Clear eop stat bits upon rxdc, hw seeq fix */
-#define HPC3_ERXDCFG_FEOP  0x04000 /* Bad packet marker timeout enable */
-#define HPC3_ERXDCFG_FIRQ  0x08000 /* Another bad packet timeout enable */
-#define HPC3_ERXDCFG_PTO   0x30000 /* Programmed timeout value for above two */
-
-       volatile u32 rx_pconfig;        /* PIO configuration register */
-#define HPC3_ERXPCFG_P1    0x000f /* Cycles to spend in P1 state for PIO */
-#define HPC3_ERXPCFG_P2    0x00f0 /* Cycles to spend in P2 state for PIO */
-#define HPC3_ERXPCFG_P3    0x0f00 /* Cycles to spend in P3 state for PIO */
-#define HPC3_ERXPCFG_TST   0x1000 /* Diagnistic ram test feature bit */
+       volatile u32 reset;     /* reset register */
+#define HPC3_ERST_CRESET 0x1   /* Reset dma channel and external controller */
+#define HPC3_ERST_CLRIRQ 0x2   /* Clear channel interrupt */
+#define HPC3_ERST_LBACK  0x4   /* Enable diagnostic loopback mode of Seeq8003 */
+
+       volatile u32 dconfig;    /* DMA configuration register */
+#define HPC3_EDCFG_D1    0x0000f /* Cycles to spend in D1 state for PIO */
+#define HPC3_EDCFG_D2    0x000f0 /* Cycles to spend in D2 state for PIO */
+#define HPC3_EDCFG_D3    0x00f00 /* Cycles to spend in D3 state for PIO */
+#define HPC3_EDCFG_WCTRL 0x01000 /* Enable writes of desc into ex ctrl port */
+#define HPC3_EDCFG_FRXDC 0x02000 /* Clear eop stat bits upon rxdc, hw seeq fix */
+#define HPC3_EDCFG_FEOP  0x04000 /* Bad packet marker timeout enable */
+#define HPC3_EDCFG_FIRQ  0x08000 /* Another bad packet timeout enable */
+#define HPC3_EDCFG_PTO   0x30000 /* Programmed timeout value for above two */
+
+       volatile u32 pconfig;   /* PIO configuration register */
+#define HPC3_EPCFG_P1    0x000f /* Cycles to spend in P1 state for PIO */
+#define HPC3_EPCFG_P2    0x00f0 /* Cycles to spend in P2 state for PIO */
+#define HPC3_EPCFG_P3    0x0f00 /* Cycles to spend in P3 state for PIO */
+#define HPC3_EPCFG_TST   0x1000 /* Diagnistic ram test feature bit */
 
        u32 _unused2[0x1000/4 - 8];     /* padding */