From: Ralf Baechle Date: Mon, 10 Oct 2005 13:50:56 +0000 (+0100) Subject: [PATCH] sgiseeq: Configure PIO and DMA timing requests. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=302a5c4b3d4d6aff7772a4b3431bb772586e6011;p=linux-beck.git [PATCH] sgiseeq: Configure PIO and DMA timing requests. Signed-off-by: Ralf Baechle drivers/net/sgiseeq.c | 28 ++++++++++++++-------------- include/asm-mips/sgi/hpc3.h | 40 ++++++++++++++++++++-------------------- 2 files changed, 34 insertions(+), 34 deletions(-) Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c index a9d2e4fd0aec..a4614df38a90 100644 --- 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 "); MODULE_LICENSE("GPL"); diff --git a/include/asm-mips/sgi/hpc3.h b/include/asm-mips/sgi/hpc3.h index ac3dfc7af5b0..fcec52bafb25 100644 --- 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 */