mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 06:15:21 +02:00
b132f921be
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17997 3c298f89-4303-0410-b956-a3cf2f4a3e73
138 lines
3.4 KiB
Diff
138 lines
3.4 KiB
Diff
--- a/drivers/ata/pata_ixp4xx_cf.c
|
|
+++ b/drivers/ata/pata_ixp4xx_cf.c
|
|
@@ -24,16 +24,58 @@
|
|
#include <scsi/scsi_host.h>
|
|
|
|
#define DRV_NAME "pata_ixp4xx_cf"
|
|
-#define DRV_VERSION "0.2"
|
|
+#define DRV_VERSION "0.3"
|
|
|
|
static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
|
|
{
|
|
struct ata_device *dev;
|
|
+ struct ixp4xx_pata_data *data = link->ap->host->dev->platform_data;
|
|
+ unsigned int pio_mask;
|
|
|
|
ata_for_each_dev(dev, link, ENABLED) {
|
|
- ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
|
|
- dev->pio_mode = XFER_PIO_0;
|
|
- dev->xfer_mode = XFER_PIO_0;
|
|
+ if (dev->id[ATA_ID_FIELD_VALID] & (1 << 1)) {
|
|
+ pio_mask = dev->id[ATA_ID_PIO_MODES] & 0x03;
|
|
+ if (pio_mask & (1 << 1)) {
|
|
+ pio_mask = 4;
|
|
+ } else {
|
|
+ pio_mask = 3;
|
|
+ }
|
|
+ } else {
|
|
+ pio_mask = (dev->id[ATA_ID_OLD_PIO_MODES] >> 8);
|
|
+ }
|
|
+
|
|
+ switch (pio_mask){
|
|
+ case 0:
|
|
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
|
|
+ dev->pio_mode = XFER_PIO_0;
|
|
+ dev->xfer_mode = XFER_PIO_0;
|
|
+ *data->cs0_cfg = 0x8a473c03;
|
|
+ break;
|
|
+ case 1:
|
|
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO1\n");
|
|
+ dev->pio_mode = XFER_PIO_1;
|
|
+ dev->xfer_mode = XFER_PIO_1;
|
|
+ *data->cs0_cfg = 0x86433c03;
|
|
+ break;
|
|
+ case 2:
|
|
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO2\n");
|
|
+ dev->pio_mode = XFER_PIO_2;
|
|
+ dev->xfer_mode = XFER_PIO_2;
|
|
+ *data->cs0_cfg = 0x82413c03;
|
|
+ break;
|
|
+ case 3:
|
|
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO3\n");
|
|
+ dev->pio_mode = XFER_PIO_3;
|
|
+ dev->xfer_mode = XFER_PIO_3;
|
|
+ *data->cs0_cfg = 0x80823c03;
|
|
+ break;
|
|
+ case 4:
|
|
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO4\n");
|
|
+ dev->pio_mode = XFER_PIO_4;
|
|
+ dev->xfer_mode = XFER_PIO_4;
|
|
+ *data->cs0_cfg = 0x80403c03;
|
|
+ break;
|
|
+ }
|
|
dev->xfer_shift = ATA_SHIFT_PIO;
|
|
dev->flags |= ATA_DFLAG_PIO;
|
|
}
|
|
@@ -46,6 +88,7 @@ static unsigned int ixp4xx_mmio_data_xfe
|
|
unsigned int i;
|
|
unsigned int words = buflen >> 1;
|
|
u16 *buf16 = (u16 *) buf;
|
|
+ unsigned int pio_mask;
|
|
struct ata_port *ap = dev->link->ap;
|
|
void __iomem *mmio = ap->ioaddr.data_addr;
|
|
struct ixp4xx_pata_data *data = ap->host->dev->platform_data;
|
|
@@ -53,8 +96,34 @@ static unsigned int ixp4xx_mmio_data_xfe
|
|
/* set the expansion bus in 16bit mode and restore
|
|
* 8 bit mode after the transaction.
|
|
*/
|
|
- *data->cs0_cfg &= ~(0x01);
|
|
- udelay(100);
|
|
+ if (dev->id[ATA_ID_FIELD_VALID] & (1 << 1)){
|
|
+ pio_mask = dev->id[ATA_ID_PIO_MODES] & 0x03;
|
|
+ if (pio_mask & (1 << 1)){
|
|
+ pio_mask = 4;
|
|
+ }else{
|
|
+ pio_mask = 3;
|
|
+ }
|
|
+ }else{
|
|
+ pio_mask = (dev->id[ATA_ID_OLD_PIO_MODES] >> 8);
|
|
+ }
|
|
+ switch (pio_mask){
|
|
+ case 0:
|
|
+ *data->cs0_cfg = 0xa9643c42;
|
|
+ break;
|
|
+ case 1:
|
|
+ *data->cs0_cfg = 0x85033c42;
|
|
+ break;
|
|
+ case 2:
|
|
+ *data->cs0_cfg = 0x80b23c42;
|
|
+ break;
|
|
+ case 3:
|
|
+ *data->cs0_cfg = 0x80823c42;
|
|
+ break;
|
|
+ case 4:
|
|
+ *data->cs0_cfg = 0x80403c42;
|
|
+ break;
|
|
+ }
|
|
+ udelay(5);
|
|
|
|
/* Transfer multiple of 2 bytes */
|
|
if (rw == READ)
|
|
@@ -79,8 +148,24 @@ static unsigned int ixp4xx_mmio_data_xfe
|
|
words++;
|
|
}
|
|
|
|
- udelay(100);
|
|
- *data->cs0_cfg |= 0x01;
|
|
+ udelay(5);
|
|
+ switch (pio_mask){
|
|
+ case 0:
|
|
+ *data->cs0_cfg = 0x8a473c03;
|
|
+ break;
|
|
+ case 1:
|
|
+ *data->cs0_cfg = 0x86433c03;
|
|
+ break;
|
|
+ case 2:
|
|
+ *data->cs0_cfg = 0x82413c03;
|
|
+ break;
|
|
+ case 3:
|
|
+ *data->cs0_cfg = 0x80823c03;
|
|
+ break;
|
|
+ case 4:
|
|
+ *data->cs0_cfg = 0x80403c03;
|
|
+ break;
|
|
+ }
|
|
|
|
return words << 1;
|
|
}
|