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path: root/target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch
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Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch')
-rw-r--r--target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch137
1 files changed, 0 insertions, 137 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch b/target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch
deleted file mode 100644
index 3bf1b74..0000000
--- a/target/linux/ixp4xx/patches-2.6.37/312-ixp4xx_pata_optimization.patch
+++ /dev/null
@@ -1,137 +0,0 @@
---- 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;
- }