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path: root/drivers/ide/pci/hpt366.c
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Diffstat (limited to 'drivers/ide/pci/hpt366.c')
-rw-r--r--drivers/ide/pci/hpt366.c138
1 files changed, 79 insertions, 59 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 2cd74c345a6c..39f1c89f7c86 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/hpt366.c Version 1.10 Jun 29, 2007
+ * linux/drivers/ide/pci/hpt366.c Version 1.12 Aug 19, 2007
*
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
@@ -68,7 +68,8 @@
* HPT37x chip family; save space by introducing the separate transfer mode
* table in which the mode lookup is done
* - use f_CNT value saved by the HighPoint BIOS as reading it directly gives
- * the wrong PCI frequency since DPLL has already been calibrated by BIOS
+ * the wrong PCI frequency since DPLL has already been calibrated by BIOS;
+ * read it only from the function 0 of HPT374 chips
* - fix the hotswap code: it caused RESET- to glitch when tristating the bus,
* and for HPT36x the obsolete HDIO_TRISTATE_HWIF handler was called instead
* - pass to init_chipset() handlers a copy of the IDE PCI device structure as
@@ -113,6 +114,7 @@
* unify HPT36x/37x timing setup code and the speedproc handlers by joining
* the register setting lists into the table indexed by the clock selected
* - set the correct hwif->ultra_mask for each individual chip
+ * - add UltraDMA mode filtering for the HPT37[24] based SATA cards
* Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com>
*/
@@ -517,42 +519,44 @@ static int check_in_drive_list(ide_drive_t *drive, const char **list)
}
/*
- * Note for the future; the SATA hpt37x we must set
- * either PIO or UDMA modes 0,4,5
+ * The Marvell bridge chips used on the HighPoint SATA cards do not seem
+ * to support the UltraDMA modes 1, 2, and 3 as well as any MWDMA modes...
*/
static u8 hpt3xx_udma_filter(ide_drive_t *drive)
{
- struct hpt_info *info = pci_get_drvdata(HWIF(drive)->pci_dev);
- u8 mask;
+ ide_hwif_t *hwif = HWIF(drive);
+ struct hpt_info *info = pci_get_drvdata(hwif->pci_dev);
+ u8 mask = hwif->ultra_mask;
switch (info->chip_type) {
- case HPT370A:
- if (!HPT370_ALLOW_ATA100_5 ||
- check_in_drive_list(drive, bad_ata100_5))
- return 0x1f;
- else
- return 0x3f;
- case HPT370:
- if (!HPT370_ALLOW_ATA100_5 ||
- check_in_drive_list(drive, bad_ata100_5))
- mask = 0x1f;
- else
- mask = 0x3f;
- break;
case HPT36x:
if (!HPT366_ALLOW_ATA66_4 ||
check_in_drive_list(drive, bad_ata66_4))
- mask = 0x0f;
- else
- mask = 0x1f;
+ mask = ATA_UDMA3;
if (!HPT366_ALLOW_ATA66_3 ||
check_in_drive_list(drive, bad_ata66_3))
- mask = 0x07;
+ mask = ATA_UDMA2;
+ break;
+ case HPT370:
+ if (!HPT370_ALLOW_ATA100_5 ||
+ check_in_drive_list(drive, bad_ata100_5))
+ mask = ATA_UDMA4;
break;
+ case HPT370A:
+ if (!HPT370_ALLOW_ATA100_5 ||
+ check_in_drive_list(drive, bad_ata100_5))
+ return ATA_UDMA4;
+ case HPT372 :
+ case HPT372A:
+ case HPT372N:
+ case HPT374 :
+ if (ide_dev_is_sata(drive->id))
+ mask &= ~0x0e;
+ /* Fall thru */
default:
- return 0x7f;
+ return mask;
}
return check_in_drive_list(drive, bad_ata33) ? 0x00 : mask;
@@ -981,6 +985,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
struct hpt_info *info = kmalloc(sizeof(struct hpt_info), GFP_KERNEL);
unsigned long io_base = pci_resource_start(dev, 4);
u8 pci_clk, dpll_clk = 0; /* PCI and DPLL clock in MHz */
+ u8 chip_type;
enum ata_clock clock;
if (info == NULL) {
@@ -992,7 +997,8 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
* Copy everything from a static "template" structure
* to just allocated per-chip hpt_info structure.
*/
- *info = *(struct hpt_info *)pci_get_drvdata(dev);
+ memcpy(info, pci_get_drvdata(dev), sizeof(struct hpt_info));
+ chip_type = info->chip_type;
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4));
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78);
@@ -1002,7 +1008,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
/*
* First, try to estimate the PCI clock frequency...
*/
- if (info->chip_type >= HPT370) {
+ if (chip_type >= HPT370) {
u8 scr1 = 0;
u16 f_cnt = 0;
u32 temp = 0;
@@ -1016,7 +1022,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
* HighPoint does this for HPT372A.
* NOTE: This register is only writeable via I/O space.
*/
- if (info->chip_type == HPT372A)
+ if (chip_type == HPT372A)
outb(0x0e, io_base + 0x9c);
/*
@@ -1034,13 +1040,28 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
* First try reading the register in which the HighPoint BIOS
* saves f_CNT value before reprogramming the DPLL from its
* default setting (which differs for the various chips).
- * NOTE: This register is only accessible via I/O space.
*
- * In case the signature check fails, we'll have to resort to
- * reading the f_CNT register itself in hopes that nobody has
- * touched the DPLL yet...
+ * NOTE: This register is only accessible via I/O space;
+ * HPT374 BIOS only saves it for the function 0, so we have to
+ * always read it from there -- no need to check the result of
+ * pci_get_slot() for the function 0 as the whole device has
+ * been already "pinned" (via function 1) in init_setup_hpt374()
+ */
+ if (chip_type == HPT374 && (PCI_FUNC(dev->devfn) & 1)) {
+ struct pci_dev *dev1 = pci_get_slot(dev->bus,
+ dev->devfn - 1);
+ unsigned long io_base = pci_resource_start(dev1, 4);
+
+ temp = inl(io_base + 0x90);
+ pci_dev_put(dev1);
+ } else
+ temp = inl(io_base + 0x90);
+
+ /*
+ * In case the signature check fails, we'll have to
+ * resort to reading the f_CNT register itself in hopes
+ * that nobody has touched the DPLL yet...
*/
- temp = inl(io_base + 0x90);
if ((temp & 0xFFFFF000) != 0xABCDE000) {
int i;
@@ -1120,7 +1141,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
* We also don't like using the DPLL because this causes glitches
* on PRST-/SRST- when the state engine gets reset...
*/
- if (info->chip_type >= HPT374 || info->settings[clock] == NULL) {
+ if (chip_type >= HPT374 || info->settings[clock] == NULL) {
u16 f_low, delta = pci_clk < 50 ? 2 : 4;
int adjust;
@@ -1190,7 +1211,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
/* Point to this chip's own instance of the hpt_info structure. */
pci_set_drvdata(dev, info);
- if (info->chip_type >= HPT370) {
+ if (chip_type >= HPT370) {
u8 mcr1, mcr4;
/*
@@ -1209,7 +1230,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
* the MISC. register to stretch the UltraDMA Tss timing.
* NOTE: This register is only writeable via I/O space.
*/
- if (info->chip_type == HPT371N && clock == ATA_CLOCK_66MHZ)
+ if (chip_type == HPT371N && clock == ATA_CLOCK_66MHZ)
outb(inb(io_base + 0x9c) | 0x04, io_base + 0x9c);
@@ -1218,25 +1239,24 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha
static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
{
- struct pci_dev *dev = hwif->pci_dev;
- struct hpt_info *info = pci_get_drvdata(dev);
- int serialize = HPT_SERIALIZE_IO;
- u8 scr1 = 0, ata66 = hwif->channel ? 0x01 : 0x02;
- u8 chip_type = info->chip_type;
- u8 new_mcr, old_mcr = 0;
+ struct pci_dev *dev = hwif->pci_dev;
+ struct hpt_info *info = pci_get_drvdata(dev);
+ int serialize = HPT_SERIALIZE_IO;
+ u8 scr1 = 0, ata66 = hwif->channel ? 0x01 : 0x02;
+ u8 chip_type = info->chip_type;
+ u8 new_mcr, old_mcr = 0;
/* Cache the channel's MISC. control registers' offset */
- hwif->select_data = hwif->channel ? 0x54 : 0x50;
+ hwif->select_data = hwif->channel ? 0x54 : 0x50;
- hwif->tuneproc = &hpt3xx_tune_drive;
- hwif->speedproc = &hpt3xx_tune_chipset;
- hwif->quirkproc = &hpt3xx_quirkproc;
- hwif->intrproc = &hpt3xx_intrproc;
- hwif->maskproc = &hpt3xx_maskproc;
- hwif->busproc = &hpt3xx_busproc;
+ hwif->tuneproc = &hpt3xx_tune_drive;
+ hwif->speedproc = &hpt3xx_tune_chipset;
+ hwif->quirkproc = &hpt3xx_quirkproc;
+ hwif->intrproc = &hpt3xx_intrproc;
+ hwif->maskproc = &hpt3xx_maskproc;
+ hwif->busproc = &hpt3xx_busproc;
- if (chip_type <= HPT370A)
- hwif->udma_filter = &hpt3xx_udma_filter;
+ hwif->udma_filter = &hpt3xx_udma_filter;
/*
* HPT3xxN chips have some complications:
@@ -1486,19 +1506,19 @@ static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d)
d->host_flags |= IDE_HFLAG_SINGLE;
d->enablebits[0].mask = d->enablebits[0].val = 0x10;
- d->udma_mask = HPT366_ALLOW_ATA66_3 ?
- (HPT366_ALLOW_ATA66_4 ? 0x1f : 0x0f) : 0x07;
+ d->udma_mask = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ?
+ ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2;
break;
case 3:
case 4:
- d->udma_mask = HPT370_ALLOW_ATA100_5 ? 0x3f : 0x1f;
+ d->udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4;
break;
default:
rev = 6;
/* fall thru */
case 5:
case 6:
- d->udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f;
+ d->udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5;
break;
}
@@ -1559,7 +1579,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.init_dma = init_dma_hpt366,
.autodma = AUTODMA,
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
- .udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f,
+ .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.pio_mask = ATA_PIO4,
@@ -1571,7 +1591,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.init_dma = init_dma_hpt366,
.autodma = AUTODMA,
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
- .udma_mask = HPT302_ALLOW_ATA133_6 ? 0x7f : 0x3f,
+ .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.pio_mask = ATA_PIO4,
@@ -1583,7 +1603,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.init_dma = init_dma_hpt366,
.autodma = AUTODMA,
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
- .udma_mask = HPT371_ALLOW_ATA133_6 ? 0x7f : 0x3f,
+ .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.pio_mask = ATA_PIO4,
@@ -1595,7 +1615,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.init_dma = init_dma_hpt366,
.autodma = AUTODMA,
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
- .udma_mask = 0x3f,
+ .udma_mask = ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.pio_mask = ATA_PIO4,
@@ -1607,7 +1627,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
.init_dma = init_dma_hpt366,
.autodma = AUTODMA,
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
- .udma_mask = HPT372_ALLOW_ATA133_6 ? 0x7f : 0x3f,
+ .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
.pio_mask = ATA_PIO4,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.