m68k/mac: Enable PDMA for PowerBook 500 series
I can confirm that mac_scsi PDMA now works on these machines. This increases sequential read throughput by a factor of 4.5. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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@ -57,7 +57,6 @@ struct mac_model
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#define MAC_SCSI_IIFX 5
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#define MAC_SCSI_IIFX 5
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#define MAC_SCSI_DUO 6
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#define MAC_SCSI_DUO 6
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#define MAC_SCSI_LC 7
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#define MAC_SCSI_LC 7
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#define MAC_SCSI_LATE 8
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#define MAC_IDE_NONE 0
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#define MAC_IDE_NONE 0
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#define MAC_IDE_QUADRA 1
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#define MAC_IDE_QUADRA 1
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@ -709,7 +709,7 @@ static struct mac_model mac_data_table[] = {
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.name = "PowerBook 520",
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.name = "PowerBook 520",
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.adb_type = MAC_ADB_PB2,
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.adb_type = MAC_ADB_PB2,
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.via_type = MAC_VIA_QUADRA,
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.via_type = MAC_VIA_QUADRA,
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.scsi_type = MAC_SCSI_LATE,
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.scsi_type = MAC_SCSI_OLD,
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.scc_type = MAC_SCC_QUADRA,
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.scc_type = MAC_SCC_QUADRA,
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.ether_type = MAC_ETHER_SONIC,
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.ether_type = MAC_ETHER_SONIC,
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.floppy_type = MAC_FLOPPY_SWIM_ADDR2,
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.floppy_type = MAC_FLOPPY_SWIM_ADDR2,
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@ -943,18 +943,6 @@ static const struct resource mac_scsi_old_rsrc[] __initconst = {
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},
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},
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};
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};
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static const struct resource mac_scsi_late_rsrc[] __initconst = {
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{
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.flags = IORESOURCE_IRQ,
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.start = IRQ_MAC_SCSI,
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.end = IRQ_MAC_SCSI,
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}, {
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.flags = IORESOURCE_MEM,
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.start = 0x50010000,
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.end = 0x50011FFF,
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},
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};
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static const struct resource mac_scsi_ccl_rsrc[] __initconst = {
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static const struct resource mac_scsi_ccl_rsrc[] __initconst = {
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{
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{
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.flags = IORESOURCE_IRQ,
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.flags = IORESOURCE_IRQ,
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@ -1064,11 +1052,6 @@ int __init mac_platform_init(void)
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platform_device_register_simple("mac_scsi", 0,
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platform_device_register_simple("mac_scsi", 0,
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mac_scsi_old_rsrc, ARRAY_SIZE(mac_scsi_old_rsrc));
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mac_scsi_old_rsrc, ARRAY_SIZE(mac_scsi_old_rsrc));
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break;
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break;
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case MAC_SCSI_LATE:
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/* XXX PDMA support for PowerBook 500 series needs testing */
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platform_device_register_simple("mac_scsi", 0,
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mac_scsi_late_rsrc, ARRAY_SIZE(mac_scsi_late_rsrc));
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break;
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case MAC_SCSI_LC:
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case MAC_SCSI_LC:
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/* Addresses from Mac LC data in Designing Cards & Drivers 3ed.
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/* Addresses from Mac LC data in Designing Cards & Drivers 3ed.
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* Also from the Developer Notes for Classic II, LC III,
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* Also from the Developer Notes for Classic II, LC III,
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