#include <linux/libata.h>
#define DRV_NAME "ahci"
-#define DRV_VERSION "2.1"
+#define DRV_VERSION "2.2"
enum {
AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */
AHCI_FLAG_HONOR_PI = (1 << 26), /* honor PORTS_IMPL */
AHCI_FLAG_IGN_SERR_INTERNAL = (1 << 27), /* ignore SERR_INTERNAL */
+ AHCI_FLAG_32BIT_ONLY = (1 << 28), /* force 32bit */
AHCI_FLAG_COMMON = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
- ATA_FLAG_SKIP_D2H_BSY,
+ ATA_FLAG_SKIP_D2H_BSY |
+ ATA_FLAG_ACPI_SATA,
};
struct ahci_cmd_hdr {
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
-#ifdef CONFIG_PM
- .suspend = ata_scsi_device_suspend,
- .resume = ata_scsi_device_resume,
-#endif
};
static const struct ata_port_operations ahci_ops = {
/* board_ahci_sb600 */
{
.flags = AHCI_FLAG_COMMON |
- AHCI_FLAG_IGN_SERR_INTERNAL,
+ AHCI_FLAG_IGN_SERR_INTERNAL |
+ AHCI_FLAG_32BIT_ONLY,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &ahci_ops,
/* ATI */
{ PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
+ { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb600 }, /* ATI SB700 */
/* VIA */
{ PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
hpriv->saved_cap = cap = readl(mmio + HOST_CAP);
hpriv->saved_port_map = port_map = readl(mmio + HOST_PORTS_IMPL);
+ /* some chips lie about 64bit support */
+ if ((cap & HOST_CAP_64) && (pi->flags & AHCI_FLAG_32BIT_ONLY)) {
+ dev_printk(KERN_INFO, &pdev->dev,
+ "controller can't do 64bit DMA, forcing 32bit\n");
+ cap &= ~HOST_CAP_64;
+ }
+
/* fixup zero port_map */
if (!port_map) {
port_map = (1 << ahci_nr_ports(hpriv->cap)) - 1;