Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/ata/libata-scsi.c
	include/linux/libata.h

Futher merge of Linus's head and compilation fixups.

Signed-Off-By: David Howells <dhowells@redhat.com>

1 files changed, 33 insertions, 13 deletions

diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 72eda5160fad..a2778cf016bc 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -46,20 +46,19 @@
 #include "sata_promise.h"
 
 #define DRV_NAME	"sata_promise"
-#define DRV_VERSION	"1.04"
+#define DRV_VERSION	"1.05"
 
 
 enum {
 	PDC_PKT_SUBMIT		= 0x40, /* Command packet pointer addr */
 	PDC_INT_SEQMASK		= 0x40,	/* Mask of asserted SEQ INTs */
-	PDC_TBG_MODE		= 0x41,	/* TBG mode */
 	PDC_FLASH_CTL		= 0x44, /* Flash control register */
-	PDC_PCI_CTL		= 0x48, /* PCI control and status register */
 	PDC_GLOBAL_CTL		= 0x48, /* Global control/status (per port) */
 	PDC_CTLSTAT		= 0x60,	/* IDE control and status (per port) */
 	PDC_SATA_PLUG_CSR	= 0x6C, /* SATA Plug control/status reg */
 	PDC2_SATA_PLUG_CSR	= 0x60, /* SATAII Plug control/status reg */
-	PDC_SLEW_CTL		= 0x470, /* slew rate control reg */
+	PDC_TBG_MODE		= 0x41C, /* TBG mode (not SATAII) */
+	PDC_SLEW_CTL		= 0x470, /* slew rate control reg (not SATAII) */
 
 	PDC_ERR_MASK		= (1<<19) | (1<<20) | (1<<21) | (1<<22) |
 				  (1<<8) | (1<<9) | (1<<10),
@@ -78,6 +77,9 @@ enum {
 	PDC_COMMON_FLAGS	= ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
 				  ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI |
 				  ATA_FLAG_PIO_POLLING,
+
+	/* hp->flags bits */
+	PDC_FLAG_GEN_II		= (1 << 0),
 };
 
 
@@ -87,6 +89,7 @@ struct pdc_port_priv {
 };
 
 struct pdc_host_priv {
+	unsigned long		flags;
 	int			hotplug_offset;
 };
 
@@ -235,20 +238,20 @@ static const struct ata_port_info pdc_port_info[] = {
 
 static const struct pci_device_id pdc_ata_pci_tbl[] = {
 	{ PCI_VDEVICE(PROMISE, 0x3371), board_2037x },
-	{ PCI_VDEVICE(PROMISE, 0x3570), board_2037x },
-	{ PCI_VDEVICE(PROMISE, 0x3571), board_2037x },
 	{ PCI_VDEVICE(PROMISE, 0x3373), board_2037x },
 	{ PCI_VDEVICE(PROMISE, 0x3375), board_2037x },
 	{ PCI_VDEVICE(PROMISE, 0x3376), board_2037x },
+	{ PCI_VDEVICE(PROMISE, 0x3570), board_2057x },
+	{ PCI_VDEVICE(PROMISE, 0x3571), board_2057x },
 	{ PCI_VDEVICE(PROMISE, 0x3574), board_2057x },
+	{ PCI_VDEVICE(PROMISE, 0x3d73), board_2057x },
 	{ PCI_VDEVICE(PROMISE, 0x3d75), board_2057x },
-	{ PCI_VDEVICE(PROMISE, 0x3d73), board_2037x },
 
 	{ PCI_VDEVICE(PROMISE, 0x3318), board_20319 },
 	{ PCI_VDEVICE(PROMISE, 0x3319), board_20319 },
 	{ PCI_VDEVICE(PROMISE, 0x3515), board_20319 },
 	{ PCI_VDEVICE(PROMISE, 0x3519), board_20319 },
-	{ PCI_VDEVICE(PROMISE, 0x3d17), board_20319 },
+	{ PCI_VDEVICE(PROMISE, 0x3d17), board_40518 },
 	{ PCI_VDEVICE(PROMISE, 0x3d18), board_40518 },
 
 	{ PCI_VDEVICE(PROMISE, 0x6629), board_20619 },
@@ -277,6 +280,7 @@ static struct pci_driver pdc_ata_pci_driver = {
 static int pdc_port_start(struct ata_port *ap)
 {
 	struct device *dev = ap->host->dev;
+	struct pdc_host_priv *hp = ap->host->private_data;
 	struct pdc_port_priv *pp;
 	int rc;
 
@@ -298,6 +302,16 @@ static int pdc_port_start(struct ata_port *ap)
 
 	ap->private_data = pp;
 
+	/* fix up PHYMODE4 align timing */
+	if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) {
+		void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr;
+		unsigned int tmp;
+
+		tmp = readl(mmio + 0x014);
+		tmp = (tmp & ~3) | 1;	/* set bits 1:0 = 0:1 */
+		writel(tmp, mmio + 0x014);
+	}
+
 	return 0;
 
 err_out_kfree:
@@ -640,9 +654,11 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 	 * "TODO: figure out why we do this"
 	 */
 
-	/* change FIFO_SHD to 8 dwords, enable BMR_BURST */
+	/* enable BMR_BURST, maybe change FIFO_SHD to 8 dwords */
 	tmp = readl(mmio + PDC_FLASH_CTL);
-	tmp |= 0x12000;	/* bit 16 (fifo 8 dw) and 13 (bmr burst?) */
+	tmp |= 0x02000;	/* bit 13 (enable bmr burst) */
+	if (!(hp->flags & PDC_FLAG_GEN_II))
+		tmp |= 0x10000;	/* bit 16 (fifo threshold at 8 dw) */
 	writel(tmp, mmio + PDC_FLASH_CTL);
 
 	/* clear plug/unplug flags for all ports */
@@ -653,6 +669,10 @@ static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
 	tmp = readl(mmio + hotplug_offset);
 	writel(tmp | 0xff0000, mmio + hotplug_offset);
 
+	/* don't initialise TBG or SLEW on 2nd generation chips */
+	if (hp->flags & PDC_FLAG_GEN_II)
+		return;
+
 	/* reduce TBG clock to 133 Mhz. */
 	tmp = readl(mmio + PDC_TBG_MODE);
 	tmp &= ~0x30000; /* clear bit 17, 16*/
@@ -746,6 +766,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 	/* notice 4-port boards */
 	switch (board_idx) {
 	case board_40518:
+		hp->flags |= PDC_FLAG_GEN_II;
 		/* Override hotplug offset for SATAII150 */
 		hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
 		/* Fall through */
@@ -759,15 +780,14 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
 		probe_ent->port[3].scr_addr = base + 0x700;
 		break;
 	case board_2057x:
+	case board_20771:
+		hp->flags |= PDC_FLAG_GEN_II;
 		/* Override hotplug offset for SATAII150 */
 		hp->hotplug_offset = PDC2_SATA_PLUG_CSR;
 		/* Fall through */
 	case board_2037x:
 		probe_ent->n_ports = 2;
 		break;
-	case board_20771:
-		probe_ent->n_ports = 2;
-		break;
 	case board_20619:
 		probe_ent->n_ports = 4;