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path: root/drivers/ata/sata_promise.c
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Diffstat (limited to 'drivers/ata/sata_promise.c')
-rw-r--r--drivers/ata/sata_promise.c46
1 files changed, 33 insertions, 13 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 72eda5160fa..a2778cf016b 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;