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author | Tejun Heo <htejun@gmail.com> | 2006-03-01 01:25:39 +0900 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-03-03 15:39:54 -0500 |
commit | 1d076e5b8d91babc018ffaefafd4f85a53c9a1b1 (patch) | |
tree | 8f610a291cfd45cf041fd51d91de73e051a7d44e /drivers/scsi/ata_piix.c | |
parent | 597afd21401c85bdf9441830abf431c2be6fd45f (diff) | |
download | kernel_samsung_smdk4412-1d076e5b8d91babc018ffaefafd4f85a53c9a1b1.zip kernel_samsung_smdk4412-1d076e5b8d91babc018ffaefafd4f85a53c9a1b1.tar.gz kernel_samsung_smdk4412-1d076e5b8d91babc018ffaefafd4f85a53c9a1b1.tar.bz2 |
[PATCH] ata_piix: finer-grained port_info
Make port_info finer-grained. This patch doesn't cause any functional
change. Later init reimplementation will make use of it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi/ata_piix.c')
-rw-r--r-- | drivers/scsi/ata_piix.c | 77 |
1 files changed, 58 insertions, 19 deletions
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c index c662bf5..5988d5f 100644 --- a/drivers/scsi/ata_piix.c +++ b/drivers/scsi/ata_piix.c @@ -119,11 +119,14 @@ enum { PIIX_80C_PRI = (1 << 5) | (1 << 4), PIIX_80C_SEC = (1 << 7) | (1 << 6), - ich5_pata = 0, - ich5_sata = 1, - piix4_pata = 2, - ich6_sata = 3, - ich6_sata_ahci = 4, + /* controller IDs */ + piix4_pata = 0, + ich5_pata = 1, + ich5_sata = 2, + esb_sata = 3, + ich6_sata = 4, + ich6_sata_ahci = 5, + ich6m_sata_ahci = 6, PIIX_AHCI_DEVICE = 6, }; @@ -149,19 +152,32 @@ static const struct pci_device_id piix_pci_tbl[] = { * list in drivers/pci/quirks.c. */ + /* 82801EB (ICH5) */ { 0x8086, 0x24d1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, + /* 82801EB (ICH5) */ { 0x8086, 0x24df, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, - { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, - { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata }, + /* 6300ESB (ICH5 variant with broken PCS present bits) */ + { 0x8086, 0x25a3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata }, + /* 6300ESB pretending RAID */ + { 0x8086, 0x25b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_sata }, + /* 82801FB/FW (ICH6/ICH6W) */ { 0x8086, 0x2651, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata }, + /* 82801FR/FRW (ICH6R/ICH6RW) */ { 0x8086, 0x2652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, - { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, + /* 82801FBM ICH6M (ICH6R with only port 0 and 2 implemented) */ + { 0x8086, 0x2653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, + /* 82801GB/GR/GH (ICH7, identical to ICH6) */ { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, - { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, + /* 2801GBM/GHM (ICH7M, identical to ICH6M) */ + { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, + /* Enterprise Southbridge 2 (where's the datasheet?) */ { 0x8086, 0x2680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, + /* SATA Controller 1 IDE (ICH8, no datasheet yet) */ { 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, + /* SATA Controller 2 IDE (ICH8, ditto) */ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, - { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci }, + /* Mobile SATA Controller IDE (ICH8M, ditto) */ + { 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci }, { } /* terminate list */ }; @@ -255,6 +271,20 @@ static const struct ata_port_operations piix_sata_ops = { }; static struct ata_port_info piix_port_info[] = { + /* piix4_pata */ + { + .sht = &piix_sht, + .host_flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = 0x1f, /* pio0-4 */ +#if 0 + .mwdma_mask = 0x06, /* mwdma1-2 */ +#else + .mwdma_mask = 0x00, /* mwdma broken */ +#endif + .udma_mask = ATA_UDMA_MASK_40C, + .port_ops = &piix_pata_ops, + }, + /* ich5_pata */ { .sht = &piix_sht, @@ -280,18 +310,15 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, - /* piix4_pata */ + /* i6300esb_sata */ { .sht = &piix_sht, - .host_flags = ATA_FLAG_SLAVE_POSS, + .host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED | + PIIX_FLAG_CHECKINTR, .pio_mask = 0x1f, /* pio0-4 */ -#if 0 - .mwdma_mask = 0x06, /* mwdma1-2 */ -#else - .mwdma_mask = 0x00, /* mwdma broken */ -#endif - .udma_mask = ATA_UDMA_MASK_40C, - .port_ops = &piix_pata_ops, + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = 0x7f, /* udma0-6 */ + .port_ops = &piix_sata_ops, }, /* ich6_sata */ @@ -316,6 +343,18 @@ static struct ata_port_info piix_port_info[] = { .udma_mask = 0x7f, /* udma0-6 */ .port_ops = &piix_sata_ops, }, + + /* ich6m_sata_ahci */ + { + .sht = &piix_sht, + .host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED_ICH6 | + PIIX_FLAG_CHECKINTR | ATA_FLAG_SLAVE_POSS | + PIIX_FLAG_AHCI, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = 0x7f, /* udma0-6 */ + .port_ops = &piix_sata_ops, + }, }; static struct pci_bits piix_enable_bits[] = { |