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author | Jeff Garzik <jeff@garzik.org> | 2006-09-24 01:52:47 -0400 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-09-24 01:52:47 -0400 |
commit | 23930fa1cebfea6f79881c588ccd1b0781e49e3f (patch) | |
tree | 36d29e3f83661c4f5f45b6f74ac0d5f9886867a8 /drivers/scsi/aacraid/rx.c | |
parent | 36b35a5be0e4b406acd816e2122d153e875105be (diff) | |
parent | 4f5537de7c1531398e84e18a24f667e49cc94208 (diff) | |
download | kernel_samsung_smdk4412-23930fa1cebfea6f79881c588ccd1b0781e49e3f.zip kernel_samsung_smdk4412-23930fa1cebfea6f79881c588ccd1b0781e49e3f.tar.gz kernel_samsung_smdk4412-23930fa1cebfea6f79881c588ccd1b0781e49e3f.tar.bz2 |
Merge branch 'master' into upstream
Diffstat (limited to 'drivers/scsi/aacraid/rx.c')
-rw-r--r-- | drivers/scsi/aacraid/rx.c | 117 |
1 files changed, 84 insertions, 33 deletions
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 035018d..a1d214d 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -79,7 +79,7 @@ static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs) { bellbits = rx_readl(dev, OutboundDoorbellReg); if (bellbits & DoorBellPrintfReady) { - aac_printf(dev, rx_readl (dev, IndexRegs.Mailbox[5])); + aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5])); rx_writel(dev, MUnit.ODR,DoorBellPrintfReady); rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); } @@ -134,14 +134,14 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command, /* * Write the command into Mailbox 0 */ - rx_writel(dev, InboundMailbox0, command); + writel(command, &dev->IndexRegs->Mailbox[0]); /* * Write the parameters into Mailboxes 1 - 6 */ - rx_writel(dev, InboundMailbox1, p1); - rx_writel(dev, InboundMailbox2, p2); - rx_writel(dev, InboundMailbox3, p3); - rx_writel(dev, InboundMailbox4, p4); + writel(p1, &dev->IndexRegs->Mailbox[1]); + writel(p2, &dev->IndexRegs->Mailbox[2]); + writel(p3, &dev->IndexRegs->Mailbox[3]); + writel(p4, &dev->IndexRegs->Mailbox[4]); /* * Clear the synch command doorbell to start on a clean slate. */ @@ -199,15 +199,15 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command, * Pull the synch status from Mailbox 0. */ if (status) - *status = rx_readl(dev, IndexRegs.Mailbox[0]); + *status = readl(&dev->IndexRegs->Mailbox[0]); if (r1) - *r1 = rx_readl(dev, IndexRegs.Mailbox[1]); + *r1 = readl(&dev->IndexRegs->Mailbox[1]); if (r2) - *r2 = rx_readl(dev, IndexRegs.Mailbox[2]); + *r2 = readl(&dev->IndexRegs->Mailbox[2]); if (r3) - *r3 = rx_readl(dev, IndexRegs.Mailbox[3]); + *r3 = readl(&dev->IndexRegs->Mailbox[3]); if (r4) - *r4 = rx_readl(dev, IndexRegs.Mailbox[4]); + *r4 = readl(&dev->IndexRegs->Mailbox[4]); /* * Clear the synch command doorbell. */ @@ -261,8 +261,6 @@ static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event) rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3); break; case HostShutdown: -// rx_sync_cmd(dev, HOST_CRASHING, 0, 0, 0, 0, 0, 0, -// NULL, NULL, NULL, NULL, NULL); break; case FastIo: rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6); @@ -283,7 +281,7 @@ static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event) * Start up processing on an i960 based AAC adapter */ -static void aac_rx_start_adapter(struct aac_dev *dev) +void aac_rx_start_adapter(struct aac_dev *dev) { struct aac_init *init; @@ -381,7 +379,7 @@ static int aac_rx_send(struct fib * fib) dprintk((KERN_DEBUG "Index = 0x%x\n", Index)); if (Index == 0xFFFFFFFFL) return Index; - device += Index; + device = dev->base + Index; dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff), (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size))); writel((u32)(addr & 0xffffffff), device); @@ -395,6 +393,43 @@ static int aac_rx_send(struct fib * fib) } /** + * aac_rx_ioremap + * @size: mapping resize request + * + */ +static int aac_rx_ioremap(struct aac_dev * dev, u32 size) +{ + if (!size) { + iounmap(dev->regs.rx); + return 0; + } + dev->base = dev->regs.rx = ioremap(dev->scsi_host_ptr->base, size); + if (dev->base == NULL) + return -1; + dev->IndexRegs = &dev->regs.rx->IndexRegs; + return 0; +} + +static int aac_rx_restart_adapter(struct aac_dev *dev) +{ + u32 var; + + printk(KERN_ERR "%s%d: adapter kernel panic'd.\n", + dev->name, dev->id); + + if (aac_rx_check_health(dev) <= 0) + return 1; + if (rx_sync_cmd(dev, IOP_RESET, 0, 0, 0, 0, 0, 0, + &var, NULL, NULL, NULL, NULL)) + return 1; + if (var != 0x00000001) + return 1; + if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) + return 1; + return 0; +} + +/** * aac_rx_init - initialize an i960 based AAC card * @dev: device to configure * @@ -403,7 +438,7 @@ static int aac_rx_send(struct fib * fib) * to the comm region. */ -int aac_rx_init(struct aac_dev *dev) +int _aac_rx_init(struct aac_dev *dev) { unsigned long start; unsigned long status; @@ -413,27 +448,30 @@ int aac_rx_init(struct aac_dev *dev) instance = dev->id; name = dev->name; + if (aac_adapter_ioremap(dev, dev->base_size)) { + printk(KERN_WARNING "%s: unable to map adapter.\n", name); + goto error_iounmap; + } + /* * Check to see if the board panic'd while booting. */ + status = rx_readl(dev, MUnit.OMRx[0]); + if (status & KERNEL_PANIC) + if (aac_rx_restart_adapter(dev)) + goto error_iounmap; /* * Check to see if the board failed any self tests. */ - if (rx_readl(dev, MUnit.OMRx[0]) & SELF_TEST_FAILED) { + status = rx_readl(dev, MUnit.OMRx[0]); + if (status & SELF_TEST_FAILED) { printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); goto error_iounmap; } /* - * Check to see if the board panic'd while booting. - */ - if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) { - printk(KERN_ERR "%s%d: adapter kernel panic.\n", dev->name, instance); - goto error_iounmap; - } - /* * Check to see if the monitor panic'd while booting. */ - if (rx_readl(dev, MUnit.OMRx[0]) & MONITOR_PANIC) { + if (status & MONITOR_PANIC) { printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); goto error_iounmap; } @@ -441,12 +479,10 @@ int aac_rx_init(struct aac_dev *dev) /* * Wait for the adapter to be up and running. Wait up to 3 minutes */ - while ((!(rx_readl(dev, IndexRegs.Mailbox[7]) & KERNEL_UP_AND_RUNNING)) - || (!(rx_readl(dev, MUnit.OMRx[0]) & KERNEL_UP_AND_RUNNING))) + while (!((status = rx_readl(dev, MUnit.OMRx[0])) & KERNEL_UP_AND_RUNNING)) { if(time_after(jiffies, start+startup_timeout*HZ)) { - status = rx_readl(dev, IndexRegs.Mailbox[7]); printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", dev->name, instance, status); goto error_iounmap; @@ -481,11 +517,6 @@ int aac_rx_init(struct aac_dev *dev) if (dev->new_comm_interface) rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); - /* - * Tell the adapter that all is configured, and it can start - * accepting requests - */ - aac_rx_start_adapter(dev); return 0; error_irq: @@ -496,3 +527,23 @@ error_iounmap: return -1; } + +int aac_rx_init(struct aac_dev *dev) +{ + int retval; + + /* + * Fill in the function dispatch table. + */ + dev->a_ops.adapter_ioremap = aac_rx_ioremap; + + retval = _aac_rx_init(dev); + if (!retval) { + /* + * Tell the adapter that all is configured, and it can + * start accepting requests + */ + aac_rx_start_adapter(dev); + } + return retval; +} |