diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-3.0/312-ixp4xx_pata_optimization.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-3.0/312-ixp4xx_pata_optimization.patch | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/target/linux/ixp4xx/patches-3.0/312-ixp4xx_pata_optimization.patch b/target/linux/ixp4xx/patches-3.0/312-ixp4xx_pata_optimization.patch deleted file mode 100644 index 3bf1b74..0000000 --- a/target/linux/ixp4xx/patches-3.0/312-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; - } |