diff options
Diffstat (limited to 'drivers/ide/pci/hpt366.c')
| -rw-r--r-- | drivers/ide/pci/hpt366.c | 1583 |
1 files changed, 819 insertions, 764 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index b486442dd5d..05be8fadda7 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/hpt366.c Version 0.36 April 25, 2003 + * linux/drivers/ide/pci/hpt366.c Version 1.01 Dec 23, 2006 * * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. @@ -60,13 +60,10 @@ * channel caused the cached register value to get out of sync with the * actual one, the channels weren't serialized, the turnaround shouldn't * be done on 66 MHz PCI bus - * - avoid calibrating PLL twice as the second time results in a wrong PCI - * frequency and thus in the wrong timings for the secondary channel - * - disable UltraATA/133 for HPT372 by default (50 MHz DPLL clock do not - * allow for this speed anyway) - * - add support for HPT302N and HPT371N clocking (the same as for HPT372N) - * - HPT371/N are single channel chips, so avoid touching the primary channel - * which exists only virtually (there's no pins for it) + * - disable UltraATA/100 for HPT370 by default as the 33 MHz clock being used + * does not allow for this speed anyway + * - avoid touching disabled channels (e.g. HPT371/N are single channel chips, + * their primary channel is kind of virtual, it isn't tied to any pins) * - fix/remove bad/unused timing tables and use one set of tables for the whole * HPT37x chip family; save space by introducing the separate transfer mode * table in which the mode lookup is done @@ -76,11 +73,47 @@ * 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 * they tamper with its fields - * <source@mvista.com> - * + * - pass to the init_setup handlers a copy of the ide_pci_device_t structure + * since they may tamper with its fields + * - prefix the driver startup messages with the real chip name + * - claim the extra 240 bytes of I/O space for all chips + * - optimize the rate masking/filtering and the drive list lookup code + * - use pci_get_slot() to get to the function 1 of HPT36x/374 + * - cache offset of the channel's misc. control registers (MCRs) being used + * throughout the driver + * - only touch the relevant MCR when detecting the cable type on HPT374's + * function 1 + * - rename all the register related variables consistently + * - move all the interrupt twiddling code from the speedproc handlers into + * init_hwif_hpt366(), also grouping all the DMA related code together there + * - merge two HPT37x speedproc handlers, fix the PIO timing register mask and + * separate the UltraDMA and MWDMA masks there to avoid changing PIO timings + * when setting an UltraDMA mode + * - fix hpt3xx_tune_drive() to set the PIO mode requested, not always select + * the best possible one + * - clean up DMA timeout handling for HPT370 + * - switch to using the enumeration type to differ between the numerous chip + * variants, matching PCI device/revision ID with the chip type early, at the + * init_setup stage + * - extend the hpt_info structure to hold the DPLL and PCI clock frequencies, + * stop duplicating it for each channel by storing the pointer in the pci_dev + * structure: first, at the init_setup stage, point it to a static "template" + * with only the chip type and its specific base DPLL frequency, the highest + * supported DMA mode, and the chip settings table pointer filled, then, at + * the init_chipset stage, allocate per-chip instance and fill it with the + * rest of the necessary information + * - get rid of the constant thresholds in the HPT37x PCI clock detection code, + * switch to calculating PCI clock frequency based on the chip's base DPLL + * frequency + * - switch to using the DPLL clock and enable UltraATA/133 mode by default on + * anything newer than HPT370/A + * - fold PCI clock detection and DPLL setup code into init_chipset_hpt366(), + * also fixing the interchanged 25/40 MHz PCI clock cases for HPT36x chips; + * unify HPT36x/37x timing setup code and the speedproc handlers by joining + * the register setting lists into the table indexed by the clock selected + * Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com> */ - #include <linux/types.h> #include <linux/module.h> #include <linux/kernel.h> @@ -332,93 +365,159 @@ static u32 sixty_six_base_hpt37x[] = { }; #define HPT366_DEBUG_DRIVE_INFO 0 -#define HPT374_ALLOW_ATA133_6 0 -#define HPT371_ALLOW_ATA133_6 0 -#define HPT302_ALLOW_ATA133_6 0 -#define HPT372_ALLOW_ATA133_6 0 -#define HPT370_ALLOW_ATA100_5 1 +#define HPT374_ALLOW_ATA133_6 1 +#define HPT371_ALLOW_ATA133_6 1 +#define HPT302_ALLOW_ATA133_6 1 +#define HPT372_ALLOW_ATA133_6 1 +#define HPT370_ALLOW_ATA100_5 0 #define HPT366_ALLOW_ATA66_4 1 #define HPT366_ALLOW_ATA66_3 1 #define HPT366_MAX_DEVS 8 -#define F_LOW_PCI_33 0x23 -#define F_LOW_PCI_40 0x29 -#define F_LOW_PCI_50 0x2d -#define F_LOW_PCI_66 0x42 +/* Supported ATA clock frequencies */ +enum ata_clock { + ATA_CLOCK_25MHZ, + ATA_CLOCK_33MHZ, + ATA_CLOCK_40MHZ, + ATA_CLOCK_50MHZ, + ATA_CLOCK_66MHZ, + NUM_ATA_CLOCKS +}; /* - * Hold all the highpoint quirks and revision information in one - * place. + * Hold all the HighPoint chip information in one place. */ -struct hpt_info -{ +struct hpt_info { + u8 chip_type; /* Chip type */ u8 max_mode; /* Speeds allowed */ - int revision; /* Chipset revision */ - int flags; /* Chipset properties */ -#define PLL_MODE 1 -#define IS_3xxN 2 -#define PCI_66MHZ 4 - /* Speed table */ - u32 *speed; + u8 dpll_clk; /* DPLL clock in MHz */ + u8 pci_clk; /* PCI clock in MHz */ + u32 **settings; /* Chipset settings table */ }; -/* - * This wants fixing so that we do everything not by classrev - * (which breaks on the newest chips) but by creating an - * enumeration of chip variants and using that - */ +/* Supported HighPoint chips */ +enum { + HPT36x, + HPT370, + HPT370A, + HPT374, + HPT372, + HPT372A, + HPT302, + HPT371, + HPT372N, + HPT302N, + HPT371N +}; + +static u32 *hpt36x_settings[NUM_ATA_CLOCKS] = { + twenty_five_base_hpt36x, + thirty_three_base_hpt36x, + forty_base_hpt36x, + NULL, + NULL +}; + +static u32 *hpt37x_settings[NUM_ATA_CLOCKS] = { + NULL, + thirty_three_base_hpt37x, + NULL, + fifty_base_hpt37x, + sixty_six_base_hpt37x +}; + +static struct hpt_info hpt36x __devinitdata = { + .chip_type = HPT36x, + .max_mode = (HPT366_ALLOW_ATA66_4 || HPT366_ALLOW_ATA66_3) ? 2 : 1, + .dpll_clk = 0, /* no DPLL */ + .settings = hpt36x_settings +}; + +static struct hpt_info hpt370 __devinitdata = { + .chip_type = HPT370, + .max_mode = HPT370_ALLOW_ATA100_5 ? 3 : 2, + .dpll_clk = 48, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt370a __devinitdata = { + .chip_type = HPT370A, + .max_mode = HPT370_ALLOW_ATA100_5 ? 3 : 2, + .dpll_clk = 48, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt374 __devinitdata = { + .chip_type = HPT374, + .max_mode = HPT374_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 48, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt372 __devinitdata = { + .chip_type = HPT372, + .max_mode = HPT372_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 55, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt372a __devinitdata = { + .chip_type = HPT372A, + .max_mode = HPT372_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 66, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt302 __devinitdata = { + .chip_type = HPT302, + .max_mode = HPT302_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 66, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt371 __devinitdata = { + .chip_type = HPT371, + .max_mode = HPT371_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 66, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt372n __devinitdata = { + .chip_type = HPT372N, + .max_mode = HPT372_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 77, + .settings = hpt37x_settings +}; + +static struct hpt_info hpt302n __devinitdata = { + .chip_type = HPT302N, + .max_mode = HPT302_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 77, +}; -static __devinit u32 hpt_revision (struct pci_dev *dev) +static struct hpt_info hpt371n __devinitdata = { + .chip_type = HPT371N, + .max_mode = HPT371_ALLOW_ATA133_6 ? 4 : 3, + .dpll_clk = 77, + .settings = hpt37x_settings +}; + +static int check_in_drive_list(ide_drive_t *drive, const char **list) { - u32 class_rev; - pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); - class_rev &= 0xff; - - switch(dev->device) { - /* Remap new 372N onto 372 */ - case PCI_DEVICE_ID_TTI_HPT372N: - class_rev = PCI_DEVICE_ID_TTI_HPT372; break; - case PCI_DEVICE_ID_TTI_HPT374: - class_rev = PCI_DEVICE_ID_TTI_HPT374; break; - case PCI_DEVICE_ID_TTI_HPT371: - class_rev = PCI_DEVICE_ID_TTI_HPT371; break; - case PCI_DEVICE_ID_TTI_HPT302: - class_rev = PCI_DEVICE_ID_TTI_HPT302; break; - case PCI_DEVICE_ID_TTI_HPT372: - class_rev = PCI_DEVICE_ID_TTI_HPT372; break; - default: - break; - } - return class_rev; -} + struct hd_driveid *id = drive->id; -static int check_in_drive_lists(ide_drive_t *drive, const char **list); + while (*list) + if (!strcmp(*list++,id->model)) + return 1; + return 0; +} -static u8 hpt3xx_ratemask (ide_drive_t *drive) +static u8 hpt3xx_ratemask(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 mode = 0; - - /* FIXME: TODO - move this to set info->mode once at boot */ - - if (info->revision >= 8) { /* HPT374 */ - mode = (HPT374_ALLOW_ATA133_6) ? 4 : 3; - } else if (info->revision >= 7) { /* HPT371 */ - mode = (HPT371_ALLOW_ATA133_6) ? 4 : 3; - } else if (info->revision >= 6) { /* HPT302 */ - mode = (HPT302_ALLOW_ATA133_6) ? 4 : 3; - } else if (info->revision >= 5) { /* HPT372 */ - mode = (HPT372_ALLOW_ATA133_6) ? 4 : 3; - } else if (info->revision >= 4) { /* HPT370A */ - mode = (HPT370_ALLOW_ATA100_5) ? 3 : 2; - } else if (info->revision >= 3) { /* HPT370 */ - mode = (HPT370_ALLOW_ATA100_5) ? 3 : 2; - mode = (check_in_drive_lists(drive, bad_ata33)) ? 0 : mode; - } else { /* HPT366 and HPT368 */ - mode = (check_in_drive_lists(drive, bad_ata33)) ? 0 : 2; - } + struct hpt_info *info = pci_get_drvdata(HWIF(drive)->pci_dev); + u8 mode = info->max_mode; + if (!eighty_ninty_three(drive) && mode) mode = min(mode, (u8)1); return mode; @@ -429,75 +528,61 @@ static u8 hpt3xx_ratemask (ide_drive_t *drive) * either PIO or UDMA modes 0,4,5 */ -static u8 hpt3xx_ratefilter (ide_drive_t *drive, u8 speed) +static u8 hpt3xx_ratefilter(ide_drive_t *drive, u8 speed) { - ide_hwif_t *hwif = drive->hwif; - struct hpt_info *info = ide_get_hwifdata(hwif); + struct hpt_info *info = pci_get_drvdata(HWIF(drive)->pci_dev); + u8 chip_type = info->chip_type; u8 mode = hpt3xx_ratemask(drive); if (drive->media != ide_disk) return min(speed, (u8)XFER_PIO_4); - switch(mode) { + switch (mode) { case 0x04: - speed = min(speed, (u8)XFER_UDMA_6); + speed = min_t(u8, speed, XFER_UDMA_6); break; case 0x03: - speed = min(speed, (u8)XFER_UDMA_5); - if (info->revision >= 5) + speed = min_t(u8, speed, XFER_UDMA_5); + if (chip_type >= HPT374) break; - if (check_in_drive_lists(drive, bad_ata100_5)) - speed = min(speed, (u8)XFER_UDMA_4); - break; + if (!check_in_drive_list(drive, bad_ata100_5)) + goto check_bad_ata33; + /* fall thru */ case 0x02: - speed = min(speed, (u8)XFER_UDMA_4); - /* - * CHECK ME, Does this need to be set to 5 ?? - */ - if (info->revision >= 3) - break; - if ((check_in_drive_lists(drive, bad_ata66_4)) || - (!(HPT366_ALLOW_ATA66_4))) - speed = min(speed, (u8)XFER_UDMA_3); - if ((check_in_drive_lists(drive, bad_ata66_3)) || - (!(HPT366_ALLOW_ATA66_3))) - speed = min(speed, (u8)XFER_UDMA_2); - break; + speed = min_t(u8, speed, XFER_UDMA_4); + + /* + * CHECK ME, Does this need to be changed to HPT374 ?? + */ + if (chip_type >= HPT370) + goto check_bad_ata33; + if (HPT366_ALLOW_ATA66_4 && + !check_in_drive_list(drive, bad_ata66_4)) + goto check_bad_ata33; + + speed = min_t(u8, speed, XFER_UDMA_3); + if (HPT366_ALLOW_ATA66_3 && + !check_in_drive_list(drive, bad_ata66_3)) + goto check_bad_ata33; + /* fall thru */ case 0x01: - speed = min(speed, (u8)XFER_UDMA_2); - /* - * CHECK ME, Does this need to be set to 5 ?? - */ - if (info->revision >= 3) + speed = min_t(u8, speed, XFER_UDMA_2); + + check_bad_ata33: + if (chip_type >= HPT370A) break; - if (check_in_drive_lists(drive, bad_ata33)) - speed = min(speed, (u8)XFER_MW_DMA_2); - break; + if (!check_in_drive_list(drive, bad_ata33)) + break; + /* fall thru */ case 0x00: default: - speed = min(speed, (u8)XFER_MW_DMA_2); + speed = min_t(u8, speed, XFER_MW_DMA_2); break; } return speed; } -static int check_in_drive_lists (ide_drive_t *drive, const char **list) -{ - struct hd_driveid *id = drive->id; - - if (quirk_drives == list) { - while (*list) - if (strstr(id->model, *list++)) - return 1; - } else { - while (*list) - if (!strcmp(*list++,id->model)) - return 1; - } - return 0; -} - -static u32 pci_bus_clock_list(u8 speed, u32 *chipset_table) +static u32 get_speed_setting(u8 speed, struct hpt_info *info) { int i; @@ -510,228 +595,161 @@ static u32 pci_bus_clock_list(u8 speed, u32 *chipset_table) for (i = 0; i < ARRAY_SIZE(xfer_speeds) - 1; i++) if (xfer_speeds[i] == speed) break; - return chipset_table[i]; + /* + * NOTE: info->settings only points to the pointer + * to the list of the actual register values + */ + return (*info->settings)[i]; } static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed) { - ide_hwif_t *hwif = drive->hwif; - struct pci_dev *dev = hwif->pci_dev; - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 speed = hpt3xx_ratefilter(drive, xferspeed); - u8 regtime = (drive->select.b.unit & 0x01) ? 0x44 : 0x40; - u8 regfast = (hwif->channel) ? 0x55 : 0x51; - u8 drive_fast = 0; - u32 reg1 = 0, reg2 = 0; - - /* - * Disable the "fast interrupt" prediction. - */ - pci_read_config_byte(dev, regfast, &drive_fast); - if (drive_fast & 0x80) - pci_write_config_byte(dev, regfast, drive_fast & ~0x80); - - reg2 = pci_bus_clock_list(speed, info->speed); + ide_hwif_t *hwif = HWIF(drive); + struct pci_dev *dev = hwif->pci_dev; + struct hpt_info *info = pci_get_drvdata(dev); + u8 speed = hpt3xx_ratefilter(drive, xferspeed); + u8 itr_addr = drive->dn ? 0x44 : 0x40; + u32 itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 : + (speed < XFER_UDMA_0 ? 0xc0070000 : 0xc03800ff); + u32 new_itr = get_speed_setting(speed, info); + u32 old_itr = 0; /* - * Disable on-chip PIO FIFO/buffer - * (to avoid problems handling I/O errors later) + * Disable on-chip PIO FIFO/buffer (and PIO MST mode as well) + * to avoid problems handling I/O errors later */ - pci_read_config_dword(dev, regtime, ®1); - if (speed >= XFER_MW_DMA_0) { - reg2 = (reg2 & ~0xc0000000) | (reg1 & 0xc0000000); - } else { - reg2 = (reg2 & ~0x30070000) | (reg1 & 0x30070000); - } - reg2 &= ~0x80000000; + pci_read_config_dword(dev, itr_addr, &old_itr); + new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask); + new_itr &= ~0xc0000000; - pci_write_config_dword(dev, regtime, reg2); + pci_write_config_dword(dev, itr_addr, new_itr); return ide_config_drive_speed(drive, speed); } -static int hpt370_tune_chipset(ide_drive_t *drive, u8 xferspeed) +static int hpt37x_tune_chipset(ide_drive_t *drive, u8 xferspeed) { - ide_hwif_t *hwif = drive->hwif; - struct pci_dev *dev = hwif->pci_dev; - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 speed = hpt3xx_ratefilter(drive, xferspeed); - u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51; - u8 drive_pci = 0x40 + (drive->dn * 4); - u8 new_fast = 0, drive_fast = 0; - u32 list_conf = 0, drive_conf = 0; - u32 conf_mask = (speed >= XFER_MW_DMA_0) ? 0xc0000000 : 0x30070000; - - /* - * Disable the "fast interrupt" prediction. - * don't holdoff on interrupts. (== 0x01 despite what the docs say) - */ - pci_read_config_byte(dev, regfast, &drive_fast); - new_fast = drive_fast; - if (new_fast & 0x02) - new_fast &= ~0x02; - -#ifdef HPT_DELAY_INTERRUPT - if (new_fast & 0x01) - new_fast &= ~0x01; -#else - if ((new_fast & 0x01) == 0) - new_fast |= 0x01; -#endif - if (new_fast != drive_fast) - pci_write_config_byte(dev, regfast, new_fast); - - list_conf = pci_bus_clock_list(speed, info->speed); - - pci_read_config_dword(dev, drive_pci, &drive_conf); - list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask); + ide_hwif_t *hwif = HWIF(drive); + struct pci_dev *dev = hwif->pci_dev; + struct hpt_info *info = pci_get_drvdata(dev); + u8 speed = hpt3xx_ratefilter(drive, xferspeed); + u8 itr_addr = 0x40 + (drive->dn * 4); + u32 itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 : + (speed < XFER_UDMA_0 ? 0xc03c0000 : 0xc1c001ff); + u32 new_itr = get_speed_setting(speed, info); + u32 old_itr = 0; + + pci_read_config_dword(dev, itr_addr, &old_itr); + new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask); if (speed < XFER_MW_DMA_0) - list_conf &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */ - pci_write_config_dword(dev, drive_pci, list_conf); + new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */ + pci_write_config_dword(dev, itr_addr, new_itr); return ide_config_drive_speed(drive, speed); } -static int hpt372_tune_chipset(ide_drive_t *drive, u8 xferspeed) +static int hpt3xx_tune_chipset(ide_drive_t *drive, u8 speed) { - ide_hwif_t *hwif = drive->hwif; - struct pci_dev *dev = hwif->pci_dev; - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 speed = hpt3xx_ratefilter(drive, xferspeed); - u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51; - u8 drive_fast = 0, drive_pci = 0x40 + (drive->dn * 4); - u32 list_conf = 0, drive_conf = 0; - u32 conf_mask = (speed >= XFER_MW_DMA_0) ? 0xc0000000 : 0x30070000; - - /* - * Disable the "fast interrupt" prediction. - * don't holdoff on interrupts. (== 0x01 despite what the docs say) - */ - pci_read_config_byte(dev, regfast, &drive_fast); - drive_fast &= ~0x07; - pci_write_config_byte(dev, regfast, drive_fast); - - list_conf = pci_bus_clock_list(speed, info->speed); - pci_read_config_dword(dev, drive_pci, &drive_conf); - list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask); - if (speed < XFER_MW_DMA_0) - list_conf &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */ - pci_write_config_dword(dev, drive_pci, list_conf); - - return ide_config_drive_speed(drive, speed); -} + ide_hwif_t *hwif = HWIF(drive); + struct hpt_info *info = pci_get_drvdata(hwif->pci_dev); -static int hpt3xx_tune_chipset (ide_drive_t *drive, u8 speed) -{ - ide_hwif_t *hwif = drive->hwif; - struct hpt_info *info = ide_get_hwifdata(hwif); - - if (info->revision >= 8) - return hpt372_tune_chipset(drive, speed); /* not a typo */ - else if (info->revision >= 5) - return hpt372_tune_chipset(drive, speed); - else if (info->revision >= 3) - return hpt370_tune_chipset(drive, speed); + if (info->chip_type >= HPT370) + return hpt37x_tune_chipset(drive, speed); else /* hpt368: hpt_minimum_revision(dev, 2) */ return hpt36x_tune_chipset(drive, speed); } -static void hpt3xx_tune_drive (ide_drive_t *drive, u8 pio) +static void hpt3xx_tune_drive(ide_drive_t *drive, u8 pio) { - pio = ide_get_best_pio_mode(drive, 255, pio, NULL); - (void) hpt3xx_tune_chipset(drive, (XFER_PIO_0 + pio)); + pio = ide_get_best_pio_mode(drive, pio, 4, NULL); + (void) hpt3xx_tune_chipset (drive, XFER_PIO_0 + pio); } /* * This allows the configuration of ide_pci chipset registers * for cards that learn about the drive's UDMA, DMA, PIO capabilities - * after the drive is reported by the OS. Initially for designed for + * after the drive is reported by the OS. Initially designed for * HPT366 UDMA chipset by HighPoint|Triones Technologies, Inc. * - * check_in_drive_lists(drive, bad_ata66_4) - * check_in_drive_lists(drive, bad_ata66_3) - * check_in_drive_lists(drive, bad_ata33) - * */ -static int config_chipset_for_dma (ide_drive_t *drive) +static int config_chipset_for_dma(ide_drive_t *drive) { u8 speed = ide_dma_speed(drive, hpt3xx_ratemask(drive)); - ide_hwif_t *hwif = drive->hwif; - struct hpt_info *info = ide_get_hwifdata(hwif); if (!speed) return 0; - /* If we don't have any timings we can't do a lot */ - if (info->speed == NULL) - return 0; - (void) hpt3xx_tune_chipset(drive, speed); return ide_dma_enable(drive); } -static int hpt3xx_quirkproc (ide_drive_t *drive) +static int hpt3xx_quirkproc(ide_drive_t *drive) { - return ((int) check_in_drive_lists(drive, quirk_drives)); + struct hd_driveid *id = drive->id; + const char **list = quirk_drives; + + while (*list) + if (strstr(id->model, *list++)) + return 1; + return 0; } -static void hpt3xx_intrproc (ide_drive_t *drive) +static void hpt3xx_intrproc(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; + ide_hwif_t *hwif = HWIF(drive); if (drive->quirk_list) return; /* drives in the quirk_list may not like intr setups/cleanups */ - hwif->OUTB(drive->ctl|2, IDE_CONTROL_REG); + hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG); } -static void hpt3xx_maskproc (ide_drive_t *drive, int mask) +static void hpt3xx_maskproc(ide_drive_t *drive, int mask) { - ide_hwif_t *hwif = drive->hwif; - struct hpt_info *info = ide_get_hwifdata(hwif); - struct pci_dev *dev = hwif->pci_dev; + ide_hwif_t *hwif = HWIF(drive); + struct pci_dev *dev = hwif->pci_dev; + struct hpt_info *info = pci_get_drvdata(dev); if (drive->quirk_list) { - if (info->revision >= 3) { - u8 reg5a = 0; - pci_read_config_byte(dev, 0x5a, ®5a); - if (((reg5a & 0x10) >> 4) != mask) - pci_write_config_byte(dev, 0x5a, mask ? (reg5a | 0x10) : (reg5a & ~0x10)); + if (info->chip_type >= HPT370) { + u8 scr1 = 0; + + pci_read_config_byte(dev, 0x5a, &scr1); + if (((scr1 & 0x10) >> 4) != mask) { + if (mask) + scr1 |= 0x10; + else + scr1 &= ~0x10; + pci_write_config_byte(dev, 0x5a, scr1); + } } else { - if (mask) { + if (mask) disable_irq(hwif->irq); - } else { - enable_irq(hwif->irq); - } + else + enable_irq (hwif->irq); } - } else { - if (IDE_CONTROL_REG) - hwif->OUTB(mask ? (drive->ctl | 2) : - (drive->ctl & ~2), - IDE_CONTROL_REG); - } + } else + hwif->OUTB(mask ? (drive->ctl | 2) : (drive->ctl & ~2), + IDE_CONTROL_REG); } -static int hpt366_config_drive_xfer_rate (ide_drive_t *drive) +static int hpt366_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = drive->hwif; + ide_hwif_t *hwif = HWIF(drive); struct hd_driveid *id = drive->id; drive->init_speed = 0; if ((id->capability & 1) && drive->autodma) { - - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); - } + if (ide_use_dma(drive) && config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); goto fast_ata_pio; } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: - hpt3xx_tune_drive(drive, 5); + hpt3xx_tune_drive(drive, 255); return hwif->ide_dma_off_quietly(drive); } /* IORDY not supported */ @@ -739,31 +757,48 @@ fast_ata_pio: } /* - * This is specific to the HPT366 UDMA bios chipset + * This is specific to the HPT366 UDMA chipset * by HighPoint|Triones Technologies, Inc. */ -static int hpt366_ide_dma_lostirq (ide_drive_t *drive) +static int hpt366_ide_dma_lostirq(ide_drive_t *drive) { - struct pci_dev *dev = HWIF(drive)->pci_dev; - u8 reg50h = 0, reg52h = 0, reg5ah = 0; - - pci_read_config_byte(dev, 0x50, ®50h); - pci_read_config_byte(dev, 0x52, ®52h); - pci_read_config_byte(dev, 0x5a, ®5ah); - printk("%s: (%s) reg50h=0x%02x, reg52h=0x%02x, reg5ah=0x%02x\n", - drive->name, __FUNCTION__, reg50h, reg52h, reg5ah); - if (reg5ah & 0x10) - pci_write_config_byte(dev, 0x5a, reg5ah & ~0x10); + struct pci_dev *dev = HWIF(drive)->pci_dev; + u8 mcr1 = 0, mcr3 = 0, scr1 = 0; + + pci_read_config_byte(dev, 0x50, &mcr1); + pci_read_config_byte(dev, 0x52, &mcr3); + pci_read_config_byte(dev, 0x5a, &scr1); + printk("%s: (%s) mcr1=0x%02x, mcr3=0x%02x, scr1=0x%02x\n", + drive->name, __FUNCTION__, mcr1, mcr3, scr1); + if (scr1 & 0x10) + pci_write_config_byte(dev, 0x5a, scr1 & ~0x10); return __ide_dma_lostirq(drive); } -static void hpt370_clear_engine (ide_drive_t *drive) +static void hpt370_clear_engine(ide_drive_t *drive) { - u8 regstate = HWIF(drive)->channel ? 0x54 : 0x50; - pci_write_config_byte(HWIF(drive)->pci_dev, regstate, 0x37); + ide_hwif_t *hwif = HWIF(drive); + + pci_write_config_byte(hwif->pci_dev, hwif->select_data, 0x37); udelay(10); } +static void hpt370_irq_timeout(ide_drive_t *drive) +{ + ide_hwif_t *hwif = HWIF(drive); + u16 bfifo = 0; + u8 dma_cmd; + + pci_read_config_word(hwif->pci_dev, hwif->select_data + 2, &bfifo); + printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo & 0x1ff); + + /* get DMA command mode */ + dma_cmd = hwif->INB(hwif->dma_command); + /* stop DMA */ + hwif->OUTB(dma_cmd & ~0x1, hwif->dma_command); + hpt370_clear_engine(drive); +} + static void hpt370_ide_dma_start(ide_drive_t *drive) { #ifdef HPT_RESET_STATE_ENGINE @@ -772,64 +807,35 @@ static void hpt370_ide_dma_start(ide_drive_t *drive) ide_dma_start(drive); } -static int hpt370_ide_dma_end (ide_drive_t *drive) +static int hpt370_ide_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = hwif->INB(hwif->dma_status); + u8 dma_stat = hwif->INB(hwif->dma_status); if (dma_stat & 0x01) { /* wait a little */ udelay(20); dma_stat = hwif->INB(hwif->dma_status); + if (dma_stat & 0x01) + hpt370_irq_timeout(drive); } - if ((dma_stat & 0x01) != 0) - /* fallthrough */ - (void) HWIF(drive)->ide_dma_timeout(drive); - return __ide_dma_end(drive); } -static void hpt370_lostirq_timeout (ide_drive_t *drive) +static int hpt370_ide_dma_timeout(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - u8 bfifo = 0, reginfo = hwif->channel ? 0x56 : 0x52; - u8 dma_stat = 0, dma_cmd = 0; - - pci_read_config_byte(HWIF(drive)->pci_dev, reginfo, &bfifo); - printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo); - hpt370_clear_engine(drive); - /* get dma command mode */ - dma_cmd = hwif->INB(hwif->dma_command); - /* stop dma */ - hwif->OUTB(dma_cmd & ~0x1, hwif->dma_command); - dma_stat = hwif->INB(hwif->dma_status); - /* clear errors */ - hwif->OUTB(dma_stat | 0x6, hwif->dma_status); -} - -static int hpt370_ide_dma_timeout (ide_drive_t *drive) -{ - hpt370_lostirq_timeout(drive); - hpt370_clear_engine(drive); + hpt370_irq_timeout(drive); return __ide_dma_timeout(drive); } -static int hpt370_ide_dma_lostirq (ide_drive_t *drive) -{ - hpt370_lostirq_timeout(drive); - hpt370_clear_engine(drive); - return __ide_dma_lostirq(drive); -} - /* returns 1 if DMA IRQ issued, 0 otherwise */ static int hpt374_ide_dma_test_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); u16 bfifo = 0; - u8 reginfo = hwif->channel ? 0x56 : 0x52; - u8 dma_stat; + u8 dma_stat; - pci_read_config_word(hwif->pci_dev, reginfo, &bfifo); + pci_read_config_word(hwif->pci_dev, hwif->select_data + 2, &bfifo); if (bfifo & 0x1FF) { // printk("%s: %d bytes in FIFO\n", drive->name, bfifo); return 0; @@ -837,7 +843,7 @@ static int hpt374_ide_dma_test_irq(ide_drive_t *drive) dma_stat = hwif->INB(hwif->dma_status); /* return 1 if INTR asserted */ - if ((dma_stat & 4) == 4) + if (dma_stat & 4) return 1; if (!drive->waiting_for_dma) @@ -846,17 +852,17 @@ static int hpt374_ide_dma_test_irq(ide_drive_t *drive) return 0; } -static int hpt374_ide_dma_end (ide_drive_t *drive) +static int hpt374_ide_dma_end(ide_drive_t *drive) { - struct pci_dev *dev = HWIF(drive)->pci_dev; ide_hwif_t *hwif = HWIF(drive); - u8 msc_stat = 0, mscreg = hwif->channel ? 0x54 : 0x50; - u8 bwsr_stat = 0, bwsr_mask = hwif->channel ? 0x02 : 0x01; - - pci_read_config_byte(dev, 0x6a, &bwsr_stat); - pci_read_config_byte(dev, mscreg, &msc_stat); - if ((bwsr_stat & bwsr_mask) == bwsr_mask) - pci_write_config_byte(dev, mscreg, msc_stat|0x30); + struct pci_dev *dev = hwif->pci_dev; + u8 mcr = 0, mcr_addr = hwif->select_data; + u8 bwsr = 0, mask = hwif->channel ? 0x02 : 0x01; + + pci_read_config_byte(dev, 0x6a, &bwsr); + pci_read_config_byte(dev, mcr_addr, &mcr); + if (bwsr & mask) + pci_write_config_byte(dev, mcr_addr, mcr | 0x30); return __ide_dma_end(drive); } @@ -866,40 +872,37 @@ static int hpt374_ide_dma_end (ide_drive_t *drive) * @mode: clocking mode (0x21 for write, 0x23 otherwise) * * Switch the DPLL clock on the HPT3xxN devices. This is a right mess. - * NOTE: avoid touching the disabled primary channel on HPT371N -- it - * doesn't physically exist anyway... */ static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode) { - u8 mcr1, scr2 = hwif->INB(hwif->dma_master + 0x7b); + u8 scr2 = hwif->INB(hwif->dma_master + 0x7b); if ((scr2 & 0x7f) == mode) return; - /* MISC. control register 1 has the channel enable bit... */ - mcr1 = hwif->INB(hwif->dma_master + 0x70); - /* Tristate the bus */ - if (mcr1 & 0x04) - hwif->OUTB(0x80, hwif->dma_master + 0x73); + hwif->OUTB(0x80, hwif->dma_master + 0x73); hwif->OUTB(0x80, hwif->dma_master + 0x77); /* Switch clock and reset channels */ hwif->OUTB(mode, hwif->dma_master + 0x7b); hwif->OUTB(0xc0, hwif->dma_master + 0x79); - /* Reset state machines */ - if (mcr1 & 0x04) - hwif->OUTB(0x37, hwif->dma_master + 0x70); - hwif->OUTB(0x37, hwif->dma_master + 0x74); + /* + * Reset the state machines. + * NOTE: avoid accidentally enabling the disabled channels. + */ + hwif->OUTB(hwif->INB(hwif->dma_master + 0x70) | 0x32, + hwif->dma_master + 0x70); + hwif->OUTB(hwif->INB(hwif->dma_master + 0x74) | 0x32, + hwif->dma_master + 0x74); /* Complete reset */ hwif->OUTB(0x00, hwif->dma_master + 0x79); /* Reconnect channels to bus */ - if (mcr1 & 0x04) - hwif->OUTB(0x00, hwif->dma_master + 0x73); + hwif->OUTB(0x00, hwif->dma_master + 0x73); hwif->OUTB(0x00, hwif->dma_master + 0x77); } @@ -914,14 +917,12 @@ static void hpt3xxn_set_clock(ide_hwif_t *hwif, u8 mode) static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq) { - ide_hwif_t *hwif = HWIF(drive); - u8 wantclock = rq_data_dir(rq) ? 0x23 : 0x21; - - hpt3xxn_set_clock(hwif, wantclock); + hpt3xxn_set_clock(HWIF(drive), rq_data_dir(rq) ? 0x23 : 0x21); } /* * Set/get power state for a drive. + * NOTE: affects both drives on each channel. * * When we turn the power back on, we need to re-initialize things. */ @@ -929,26 +930,18 @@ static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq) static int hpt3xx_busproc(ide_drive_t *drive, int state) { - ide_hwif_t *hwif = drive->hwif; + ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; - u8 tristate, resetmask, bus_reg = 0; - u16 tri_reg = 0; + u8 mcr_addr = hwif->select_data + 2; + u8 resetmask = hwif->channel ? 0x80 : 0x40; + u8 bsr2 = 0; + u16 mcr = 0; hwif->bus_state = state; - if (hwif->channel) { - /* secondary channel */ - tristate = 0x56; - resetmask = 0x80; - } else { - /* primary channel */ - tristate = 0x52; - resetmask = 0x40; - } - /* Grab the status. */ - pci_read_config_word(dev, tristate, &tri_reg); - pci_read_config_byte(dev, 0x59, &bus_reg); + pci_read_config_word(dev, mcr_addr, &mcr); + pci_read_config_byte(dev, 0x59, &bsr2); /* * Set the state. We don't set it if we don't need to do so. @@ -956,22 +949,22 @@ static int hpt3xx_busproc(ide_drive_t *drive, int state) */ switch (state) { case BUSSTATE_ON: - if (!(bus_reg & resetmask)) + if (!(bsr2 & resetmask)) return 0; hwif->drives[0].failures = hwif->drives[1].failures = 0; - pci_write_config_byte(dev, 0x59, bus_reg & ~resetmask); - pci_write_config_word(dev, tristate, tri_reg & ~TRISTATE_BIT); + pci_write_config_byte(dev, 0x59, bsr2 & ~resetmask); + pci_write_config_word(dev, mcr_addr, mcr & ~TRISTATE_BIT); return 0; case BUSSTATE_OFF: - if ((bus_reg & resetmask) && !(tri_reg & TRISTATE_BIT)) + if ((bsr2 & resetmask) && !(mcr & TRISTATE_BIT)) return 0; - tri_reg &= ~TRISTATE_BIT; + mcr &= ~TRISTATE_BIT; break; case BUSSTATE_TRISTATE: - if ((bus_reg & resetmask) && (tri_reg & TRISTATE_BIT)) + if ((bsr2 & resetmask) && (mcr & TRISTATE_BIT)) return 0; - tri_reg |= TRISTATE_BIT; + mcr |= TRISTATE_BIT; break; default: return -EINVAL; @@ -980,268 +973,320 @@ static int hpt3xx_busproc(ide_drive_t *drive, int state) hwif->drives[0].failures = hwif->drives[0].max_failures + 1; hwif->drives[1].failures = hwif->drives[1].max_failures + 1; - pci_write_config_word(dev, tristate, tri_reg); - pci_write_config_byte(dev, 0x59, bus_reg | resetmask); + pci_write_config_word(dev, mcr_addr, mcr); + pci_write_config_byte(dev, 0x59, bsr2 | resetmask); return 0; } -static void __devinit hpt366_clocking(ide_hwif_t *hwif) +/** + * hpt37x_calibrate_dpll - calibrate the DPLL + * @dev: PCI device + * + * Perform a calibration cycle on the DPLL. + * Returns 1 if this succeeds + */ +static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high) { - u32 reg1 = 0; - struct hpt_info *info = ide_get_hwifdata(hwif); + u32 dpll = (f_high << 16) | f_low | 0x100; + u8 scr2; + int i; - pci_read_config_dword(hwif->pci_dev, 0x40, ®1); + pci_write_config_dword(dev, 0x5c, dpll); - /* detect bus speed by looking at control reg timing: */ - switch((reg1 >> 8) & 7) { - case 5: - info->speed = forty_base_hpt36x; - break; - case 9: - info->speed = twenty_five_base_hpt36x; - break; - case 7: - default: - info->speed = thirty_three_base_hpt36x; + /* Wait for oscillator ready */ + for(i = 0; i < 0x5000; ++i) { + udelay(50); + pci_read_config_byte(dev, 0x5b, &scr2); + if (scr2 & 0x80) break; } + /* See if it stays ready (we'll just bail out if it's not yet) */ + for(i = 0; i < 0x1000; ++i) { + pci_read_config_byte(dev, 0x5b, &scr2); + /* DPLL destabilized? */ + if(!(scr2 & 0x80)) + return 0; + } + /* Turn off tuning, we have the DPLL set */ + pci_read_config_dword (dev, 0x5c, &dpll); + pci_write_config_dword(dev, 0x5c, (dpll & ~0x100)); + return 1; } -static void __devinit hpt37x_clocking(ide_hwif_t *hwif) +static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name) { - struct hpt_info *info = ide_get_hwifdata(hwif); - struct pci_dev *dev = hwif->pci_dev; - int adjust, i; - u16 freq = 0; - u32 pll, temp = 0; - u8 reg5bh = 0, mcr1 = 0; - + 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 */ + enum ata_clock clock; + + if (info == NULL) { + printk(KERN_ERR "%s: out of memory!\n", name); + return -ENOMEM; + } + /* - * default to pci clock. make sure MA15/16 are set to output - * to prevent drives having problems with 40-pin cables. Needed - * for some drives such as IBM-DTLA which will not enter ready - * state on reset when PDIAG is a input. - * - * ToDo: should we set 0x21 when using PLL mode ? + * Copy everything from a static "template" structure + * to just allocated per-chip hpt_info structure. */ - pci_write_config_byte(dev, 0x5b, 0x23); + *info = *(struct hpt_info *)pci_get_drvdata(dev); /* - * We'll have to read f_CNT value in order to determine - * the PCI clock frequency according to the following ratio: - * - * f_CNT = Fpci * 192 / Fdpll - * - * 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... + * FIXME: Not portable. Also, why do we enable the ROM in the first place? + * We don't seem to be using it. */ - temp = inl(pci_resource_start(dev, 4) + 0x90); - if ((temp & 0xFFFFF000) != 0xABCDE000) { - printk(KERN_WARNING "HPT37X: no clock data saved by BIOS\n"); - - /* Calculate the average value of f_CNT */ - for (temp = i = 0; i < 128; i++) { - pci_read_config_word(dev, 0x78, &freq); - temp += freq & 0x1ff; - mdelay(1); - } - freq = temp / 128; - } else - freq = temp & 0x1ff; + if (dev->resource[PCI_ROM_RESOURCE].start) + pci_write_config_dword(dev, PCI_ROM_ADDRESS, + dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); + + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); + pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); + pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); /* - * HPT3xxN chips use different PCI clock information. - * Currently we always set up the PLL for them. + * First, try to estimate the PCI clock frequency... */ + if (info->chip_type >= HPT370) { + u8 scr1 = 0; + u16 f_cnt = 0; + u32 temp = 0; - if (info->flags & IS_3xxN) { - if(freq < 0x55) - pll = F_LOW_PCI_33; - else if(freq < 0x70) - pll = F_LOW_PCI_40; - else if(freq < 0x7F) - pll = F_LOW_PCI_50; - else - pll = F_LOW_PCI_66; + /* Interrupt force enable. */ + pci_read_config_byte(dev, 0x5a, &scr1); + if (scr1 & 0x10) + pci_write_config_byte(dev, 0x5a, scr1 & ~0x10); - printk(KERN_INFO "HPT3xxN detected, FREQ: %d, PLL: %d\n", freq, pll); - } - else - { - if(freq < 0x9C) - pll = F_LOW_PCI_33; - else if(freq < 0xb0) - pll = F_LOW_PCI_40; - else if(freq <0xc8) - pll = F_LOW_PCI_50; + /* + * HighPoint does this for HPT372A. + * NOTE: This register is only writeable via I/O space. + */ + if (info->chip_type == HPT372A) + outb(0x0e, io_base + 0x9c); + + /* + * Default to PCI clock. Make sure MA15/16 are set to output + * to prevent drives having problems with 40-pin cables. + */ + pci_write_config_byte(dev, 0x5b, 0x23); + + /* + * We'll have to read f_CNT value in order to determine + * the PCI clock frequency according to the following ratio: + * + * f_CNT = Fpci * 192 / Fdpll + * + * 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... + */ + temp = inl(io_base + 0x90); + if ((temp & 0xFFFFF000) != 0xABCDE000) { + int i; + + printk(KERN_WARNING "%s: no clock data saved by BIOS\n", + name); + + /* Calculate the average value of f_CNT. */ + for (temp = i = 0; i < 128; i++) { + pci_read_config_word(dev, 0x78, &f_cnt); + temp += f_cnt & 0x1ff; + mdelay(1); + } + f_cnt = temp / 128; + } else + f_cnt = temp & 0x1ff; + + dpll_clk = info->dpll_clk; + pci_clk = (f_cnt * dpll_clk) / 192; + + /* Clamp PCI clock to bands. */ + if (pci_clk < 40) + pci_clk = 33; + else if(pci_clk < 45) + pci_clk = 40; + else if(pci_clk < 55) + pci_clk = 50; else - pll = F_LOW_PCI_66; - - if (pll == F_LOW_PCI_33) { - info->speed = thirty_three_base_hpt37x; - printk(KERN_DEBUG "HPT37X: using 33MHz PCI clock\n"); - } else if (pll == F_LOW_PCI_40) { - /* Unsupported */ - } else if (pll == F_LOW_PCI_50) { - info->speed = fifty_base_hpt37x; - printk(KERN_DEBUG "HPT37X: using 50MHz PCI clock\n"); - } else { - info->speed = sixty_six_base_hpt37x; - printk(KERN_DEBUG "HPT37X: using 66MHz PCI clock\n"); + pci_clk = 66; + + printk(KERN_INFO "%s: DPLL base: %d MHz, f_CNT: %d, " + "assuming %d MHz PCI\n", name, dpll_clk, f_cnt, pci_clk); + } else { + u32 itr1 = 0; + + pci_read_config_dword(dev, 0x40, &itr1); + + /* Detect PCI clock by looking at cmd_high_time. */ + switch((itr1 >> 8) & 0x07) { + case 0x09: + pci_clk = 40; + break; + case 0x05: + pci_clk = 25; + break; + case 0x07: + default: + pci_clk = 33; + break; } } - if (pll == F_LOW_PCI_66) - info->flags |= PCI_66MHZ; + /* Let's assume we'll use PCI clock for the ATA clock... */ + switch (pci_clk) { + case 25: + clock = ATA_CLOCK_25MHZ; + break; + case 33: + default: + clock = ATA_CLOCK_33MHZ; + break; + case 40: + clock = ATA_CLOCK_40MHZ; + break; + case 50: + clock = ATA_CLOCK_50MHZ; + break; + case 66: + clock = ATA_CLOCK_66MHZ; + break; + } /* - * only try the pll if we don't have a table for the clock - * speed that we're running at. NOTE: the internal PLL will - * result in slow reads when using a 33MHz PCI clock. we also - * don't like to use the PLL because it will cause glitches - * on PRST/SRST when the HPT state engine gets reset. + * Only try the DPLL if we don't have a table for the PCI clock that + * we are running at for HPT370/A, always use it for anything newer... * - * ToDo: Use 66MHz PLL when ATA133 devices are present on a - * 372 device so we can get ATA133 support + * NOTE: Using the internal DPLL results in slow reads on 33 MHz PCI. + * We also don't like using the DPLL because this causes glitches + * on PRST-/SRST- when the state engine gets reset... */ - if (info->speed) - goto init_hpt37X_done; + if (info->chip_type >= HPT374 || info->settings[clock] == NULL) { + u16 f_low, delta = pci_clk < 50 ? 2 : 4; + int adjust; + + /* + * Select 66 MHz DPLL clock only if UltraATA/133 mode is + * supported/enabled, use 50 MHz DPLL clock otherwise... + */ + if (info->max_mode == 0x04) { + dpll_clk = 66; + clock = ATA_CLOCK_66MHZ; + } else if (dpll_clk) { /* HPT36x chips don't have DPLL */ + dpll_clk = 50; + clock = ATA_CLOCK_50MHZ; + } - info->flags |= PLL_MODE; - - /* - * Adjust the PLL based upon the PCI clock, enable it, and - * wait for stabilization... - */ - adjust = 0; - freq = (pll < F_LOW_PCI_50) ? 2 : 4; - while (adjust++ < 6) { - pci_write_config_dword(dev, 0x5c, (freq + pll) << 16 | - pll | 0x100); - - /* wait for clock stabilization */ - for (i = 0; i < 0x50000; i++) { - pci_read_config_byte(dev, 0x5b, ®5bh); - if (reg5bh & 0x80) { - /* spin looking for the clock to destabilize */ - for (i = 0; i < 0x1000; ++i) { - pci_read_config_byte(dev, 0x5b, - ®5bh); - if ((reg5bh & 0x80) == 0) - goto pll_recal; - } - pci_read_config_dword(dev, 0x5c, &pll); - pci_write_config_dword(dev, 0x5c, - pll & ~0x100); - pci_write_config_byte(dev, 0x5b, 0x21); - - info->speed = fifty_base_hpt37x; - printk("HPT37X: using 50MHz internal PLL\n"); - goto init_hpt37X_done; - } + if (info->settings[clock] == NULL) { + printk(KERN_ERR "%s: unknown bus timing!\n", name); + kfree(info); + return -EIO; } -pll_recal: - if (adjust & 1) - pll -= (adjust >> 1); - else - pll += (adjust >> 1); - } -init_hpt37X_done: - if (!info->speed) - printk(KERN_ERR "HPT37x%s: unknown bus timing [%d %d].\n", - (info->flags & IS_3xxN) ? "N" : "", pll, freq); - /* - * Reset the state engines. - * NOTE: avoid accidentally enabling the primary channel on HPT371N. - */ - pci_read_config_byte(dev, 0x50, &mcr1); - if (mcr1 & 0x04) - pci_write_config_byte(dev, 0x50, 0x37); - pci_write_config_byte(dev, 0x54, 0x37); - udelay(100); -} + /* Select the DPLL clock. */ + pci_write_config_byte(dev, 0x5b, 0x21); -static int __devinit init_hpt37x(struct pci_dev *dev) -{ - u8 reg5ah; + /* + * Adjust the DPLL based upon PCI clock, enable it, + * and wait for stabilization... + */ + f_low = (pci_clk * 48) / dpll_clk; - pci_read_config_byte(dev, 0x5a, ®5ah); - /* interrupt force enable */ - pci_write_config_byte(dev, 0x5a, (reg5ah & ~0x10)); - return 0; -} + for (adjust = 0; adjust < 8; adjust++) { + if(hpt37x_calibrate_dpll(dev, f_low, f_low + delta)) + break; -static int __devinit init_hpt366(struct pci_dev *dev) -{ - u32 reg1 = 0; - u8 drive_fast = 0; + /* + * See if it'll settle at a fractionally different clock + */ + if (adjust & 1) + f_low -= adjust >> 1; + else + f_low += adjust >> 1; + } + if (adjust == 8) { + printk(KERN_ERR "%s: DPLL did not stabilize!\n", name); + kfree(info); + return -EIO; + } - /* - * Disable the "fast interrupt" prediction. - */ - pci_read_config_byte(dev, 0x51, &drive_fast); - if (drive_fast & 0x80) - pci_write_config_byte(dev, 0x51, drive_fast & ~0x80); - pci_read_config_dword(dev, 0x40, ®1); - - return 0; -} + printk("%s: using %d MHz DPLL clock\n", name, dpll_clk); + } else { + /* Mark the fact that we're not using the DPLL. */ + dpll_clk = 0; -static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name) -{ - int ret = 0; + printk("%s: using %d MHz PCI clock\n", name, pci_clk); + } /* - * FIXME: Not portable. Also, why do we enable the ROM in the first place? - * We don't seem to be using it. + * Advance the table pointer to a slot which points to the list + * of the register values settings matching the clock being used. */ - if (dev->resource[PCI_ROM_RESOURCE].start) - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); + info->settings += clock; - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); - pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); - pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); + /* Store the clock frequencies. */ + info->dpll_clk = dpll_clk; + info->pci_clk = pci_clk; - if (hpt_revision(dev) >= 3) - ret = init_hpt37x(dev); - else - ret = init_hpt366(dev); + /* Point to this chip's own instance of the hpt_info structure. */ + pci_set_drvdata(dev, info); - if (ret) - return ret; + if (info->chip_type >= HPT370) { + u8 mcr1, mcr4; + + /* + * Reset the state engines. + * NOTE: Avoid accidentally enabling the disabled channels. + */ + pci_read_config_byte (dev, 0x50, &mcr1); + pci_read_config_byte (dev, 0x54, &mcr4); + pci_write_config_byte(dev, 0x50, (mcr1 | 0x32)); + pci_write_config_byte(dev, 0x54, (mcr4 | 0x32)); + udelay(100); + } + + /* + * On HPT371N, if ATA clock is 66 MHz we must set bit 2 in + * 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) + + outb(inb(io_base + 0x9c) | 0x04, io_base + 0x9c); return dev->irq; } static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) { - struct pci_dev *dev = hwif->pci_dev; - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 ata66 = 0, regmask = (hwif->channel) ? 0x01 : 0x02; + 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->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; + /* * HPT3xxN chips have some complications: * * - on 33 MHz PCI we must clock switch * - on 66 MHz PCI we must NOT use the PCI clock */ - if ((info->flags & (IS_3xxN | PCI_66MHZ)) == IS_3xxN) { + if (chip_type >= HPT372N && info->dpll_clk && info->pci_clk < 66) { /* * Clock is shared between the channels, * so we'll have to serialize them... :-( @@ -1250,200 +1295,171 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) hwif->rw_disk = &hpt3xxn_rw_disk; } + /* Serialize access to this device if needed */ + if (serialize && hwif->mate) + hwif->serialized = hwif->mate->serialized = 1; + + /* + * Disable the "fast interrupt" prediction. Don't hold off + * on interrupts. (== 0x01 despite what the docs say) + */ + pci_read_config_byte(dev, hwif->select_data + 1, &old_mcr); + + if (info->chip_type >= HPT374) + new_mcr = old_mcr & ~0x07; + else if (info->chip_type >= HPT370) { + new_mcr = old_mcr; + new_mcr &= ~0x02; + +#ifdef HPT_DELAY_INTERRUPT + new_mcr &= ~0x01; +#else + new_mcr |= 0x01; +#endif + } else /* HPT366 and HPT368 */ + new_mcr = old_mcr & ~0x80; + + if (new_mcr != old_mcr) + pci_write_config_byte(dev, hwif->select_data + 1, new_mcr); + + if (!hwif->dma_base) { + hwif->drives[0].autotune = hwif->drives[1].autotune = 1; + return; + } + + hwif->ultra_mask = 0x7f; + hwif->mwdma_mask = 0x07; + /* * The HPT37x uses the CBLID pins as outputs for MA15/MA16 - * address lines to access an external eeprom. To read valid + * address lines to access an external EEPROM. To read valid * cable detect state the pins must be enabled as inputs. */ - if (info->revision >= 8 && (PCI_FUNC(dev->devfn) & 1)) { + if (chip_type == HPT374 && (PCI_FUNC(dev->devfn) & 1)) { /* * HPT374 PCI function 1 * - set bit 15 of reg 0x52 to enable TCBLID as input * - set bit 15 of reg 0x56 to enable FCBLID as input */ - u16 mcr3, mcr6; - pci_read_config_word(dev, 0x52, &mcr3); - pci_read_config_word(dev, 0x56, &mcr6); - pci_write_config_word(dev, 0x52, mcr3 | 0x8000); - pci_write_config_word(dev, 0x56, mcr6 | 0x8000); + u8 mcr_addr = hwif->select_data + 2; + u16 mcr; + + pci_read_config_word (dev, mcr_addr, &mcr); + pci_write_config_word(dev, mcr_addr, (mcr | 0x8000)); /* now read cable id register */ - pci_read_config_byte(dev, 0x5a, &ata66); - pci_write_config_word(dev, 0x52, mcr3); - pci_write_config_word(dev, 0x56, mcr6); - } else if (info->revision >= 3) { + pci_read_config_byte (dev, 0x5a, &scr1); + pci_write_config_word(dev, mcr_addr, mcr); + } else if (chip_type >= HPT370) { /* * HPT370/372 and 374 pcifn 0 - * - clear bit 0 of 0x5b to enable P/SCBLID as inputs + * - clear bit 0 of reg 0x5b to enable P/SCBLID as inputs */ - u8 scr2; - pci_read_config_byte(dev, 0x5b, &scr2); - pci_write_config_byte(dev, 0x5b, scr2 & ~1); - /* now read cable id register */ - pci_read_config_byte(dev, 0x5a, &ata66); - pci_write_config_byte(dev, 0x5b, scr2); - } else { - pci_read_config_byte(dev, 0x5a, &ata66); - } + u8 scr2 = 0; -#ifdef DEBUG - printk("HPT366: reg5ah=0x%02x ATA-%s Cable Port%d\n", - ata66, (ata66 & regmask) ? "33" : "66", - PCI_FUNC(hwif->pci_dev->devfn)); -#endif /* DEBUG */ - - /* Serialize access to this device */ - if (serialize && hwif->mate) - hwif->serialized = hwif->mate->serialized = 1; + pci_read_config_byte (dev, 0x5b, &scr2); + pci_write_config_byte(dev, 0x5b, (scr2 & ~1)); + /* now read cable id register */ + pci_read_config_byte (dev, 0x5a, &scr1); + pci_write_config_byte(dev, 0x5b, scr2); + } else + pci_read_config_byte (dev, 0x5a, &scr1); - /* - * Set up ioctl for power status. - * NOTE: power affects both drives on each channel. - */ - hwif->busproc = &hpt3xx_busproc; + if (!hwif->udma_four) + hwif->udma_four = (scr1 & ata66) ? 0 : 1; - if (!hwif->dma_base) { - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - return; - } + hwif->ide_dma_check = &hpt366_config_drive_xfer_rate; - hwif->ultra_mask = 0x7f; - hwif->mwdma_mask = 0x07; - - if (!(hwif->udma_four)) - hwif->udma_four = ((ata66 & regmask) ? 0 : 1); - hwif->ide_dma_check = &hpt366_config_drive_xfer_rate; - - if (info->revision >= 8) { - hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq; - hwif->ide_dma_end = &hpt374_ide_dma_end; - } else if (info->revision >= 5) { - hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq; - hwif->ide_dma_end = &hpt374_ide_dma_end; - } else if (info->revision >= 3) { - hwif->dma_start = &hpt370_ide_dma_start; - hwif->ide_dma_end = &hpt370_ide_dma_end; - hwif->ide_dma_timeout = &hpt370_ide_dma_timeout; - hwif->ide_dma_lostirq = &hpt370_ide_dma_lostirq; - } else if (info->revision >= 2) - hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq; - else - hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq; + if (chip_type >= HPT374) { + hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq; + hwif->ide_dma_end = &hpt374_ide_dma_end; + } else if (chip_type >= HPT370) { + hwif->dma_start = &hpt370_ide_dma_start; + hwif->ide_dma_end = &hpt370_ide_dma_end; + hwif->ide_dma_timeout = &hpt370_ide_dma_timeout; + } else + hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq; if (!noautodma) hwif->autodma = 1; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; + hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; } static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase) { - struct hpt_info *info = ide_get_hwifdata(hwif); - u8 masterdma = 0, slavedma = 0; - u8 dma_new = 0, dma_old = 0; - u8 primary = hwif->channel ? 0x4b : 0x43; - u8 secondary = hwif->channel ? 0x4f : 0x47; + struct pci_dev *dev = hwif->pci_dev; + u8 masterdma = 0, slavedma = 0; + u8 dma_new = 0, dma_old = 0; unsigned long flags; if (!dmabase) return; - if(info->speed == NULL) { - printk(KERN_WARNING "hpt366: no known IDE timings, disabling DMA.\n"); - return; - } - - dma_old = hwif->INB(dmabase+2); + dma_old = hwif->INB(dmabase + 2); local_irq_save(flags); dma_new = dma_old; - pci_read_config_byte(hwif->pci_dev, primary, &masterdma); - pci_read_config_byte(hwif->pci_dev, secondary, &slavedma); + pci_read_config_byte(dev, hwif->channel ? 0x4b : 0x43, &masterdma); + pci_read_config_byte(dev, hwif->channel ? 0x4f : 0x47, &slavedma); if (masterdma & 0x30) dma_new |= 0x20; - if (slavedma & 0x30) dma_new |= 0x40; + if ( slavedma & 0x30) dma_new |= 0x40; if (dma_new != dma_old) - hwif->OUTB(dma_new, dmabase+2); + hwif->OUTB(dma_new, dmabase + 2); local_irq_restore(flags); ide_setup_dma(hwif, dmabase, 8); } -/* - * We "borrow" this hook in order to set the data structures - * up early enough before dma or init_hwif calls are made. - */ - -static void __devinit init_iops_hpt366(ide_hwif_t *hwif) -{ - struct hpt_info *info = kzalloc(sizeof(struct hpt_info), GFP_KERNEL); - struct pci_dev *dev = hwif->pci_dev; - u16 did = dev->device; - u8 rid = 0; - - if(info == NULL) { - printk(KERN_WARNING "hpt366: out of memory.\n"); - return; - } - ide_set_hwifdata(hwif, info); - - /* Avoid doing the same thing twice. */ - if (hwif->channel && hwif->mate) { - memcpy(info, ide_get_hwifdata(hwif->mate), sizeof(struct hpt_info)); - return; - } - - pci_read_config_byte(dev, PCI_CLASS_REVISION, &rid); - - if (( did == PCI_DEVICE_ID_TTI_HPT366 && rid == 6) || - ((did == PCI_DEVICE_ID_TTI_HPT372 || - did == PCI_DEVICE_ID_TTI_HPT302 || - did == PCI_DEVICE_ID_TTI_HPT371) && rid > 1) || - did == PCI_DEVICE_ID_TTI_HPT372N) - info->flags |= IS_3xxN; - - info->revision = hpt_revision(dev); - - if (info->revision >= 3) - hpt37x_clocking(hwif); - else - hpt366_clocking(hwif); -} - static int __devinit init_setup_hpt374(struct pci_dev *dev, ide_pci_device_t *d) { - struct pci_dev *findev = NULL; + struct pci_dev *dev2; if (PCI_FUNC(dev->devfn) & 1) return -ENODEV; - while ((findev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { - if ((findev->vendor == dev->vendor) && - (findev->device == dev->device) && - ((findev->devfn - dev->devfn) == 1) && - (PCI_FUNC(findev->devfn) & 1)) { - if (findev->irq != dev->irq) { - /* FIXME: we need a core pci_set_interrupt() */ - findev->irq = dev->irq; - printk(KERN_WARNING "%s: pci-config space interrupt " - "fixed.\n", d->name); - } - return ide_setup_pci_devices(dev, findev, d); + pci_set_drvdata(dev, &hpt374); + + if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) { + int ret; + + pci_set_drvdata(dev2, &hpt374); + + if (dev2->irq != dev->irq) { + /* FIXME: we need a core pci_set_interrupt() */ + dev2->irq = dev->irq; + printk(KERN_WARNING "%s: PCI config space interrupt " + "fixed.\n", d->name); } + ret = ide_setup_pci_devices(dev, dev2, d); + if (ret < 0) + pci_dev_put(dev2); + return ret; } return ide_setup_pci_device(dev, d); } -static int __devinit init_setup_hpt37x(struct pci_dev *dev, ide_pci_device_t *d) +static int __devinit init_setup_hpt372n(struct pci_dev *dev, ide_pci_device_t *d) { + pci_set_drvdata(dev, &hpt372n); + return ide_setup_pci_device(dev, d); } static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) { - u8 mcr1 = 0; + struct hpt_info *info; + u8 rev = 0, mcr1 = 0; + + pci_read_config_byte(dev, PCI_REVISION_ID, &rev); + + if (rev > 1) { + d->name = "HPT371N"; + + info = &hpt371n; + } else + info = &hpt371; /* * HPT371 chips physically have only one channel, the secondary one, @@ -1453,59 +1469,94 @@ static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) */ pci_read_config_byte(dev, 0x50, &mcr1); if (mcr1 & 0x04) - pci_write_config_byte(dev, 0x50, (mcr1 & ~0x04)); + pci_write_config_byte(dev, 0x50, mcr1 & ~0x04); + + pci_set_drvdata(dev, info); + + return ide_setup_pci_device(dev, d); +} + +static int __devinit init_setup_hpt372a(struct pci_dev *dev, ide_pci_device_t *d) +{ + struct hpt_info *info; + u8 rev = 0; + + pci_read_config_byte(dev, PCI_REVISION_ID, &rev); + + if (rev > 1) { + d->name = "HPT372N"; + + info = &hpt372n; + } else + info = &hpt372a; + pci_set_drvdata(dev, info); + + return ide_setup_pci_device(dev, d); +} + +static int __devinit init_setup_hpt302(struct pci_dev *dev, ide_pci_device_t *d) +{ + struct hpt_info *info; + u8 rev = 0; + + pci_read_config_byte(dev, PCI_REVISION_ID, &rev); + + if (rev > 1) { + d->name = "HPT302N"; + + info = &hpt302n; + } else + info = &hpt302; + pci_set_drvdata(dev, info); return ide_setup_pci_device(dev, d); } static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d) { - struct pci_dev *findev = NULL; - u8 pin1 = 0, pin2 = 0; - unsigned int class_rev; - char *chipset_names[] = {"HPT366", "HPT366", "HPT368", - "HPT370", "HPT370A", "HPT372", - "HPT372N" }; + struct pci_dev *dev2; + u8 rev = 0; + static char *chipset_names[] = { "HPT366", "HPT366", "HPT368", + "HPT370", "HPT370A", "HPT372", + "HPT372N" }; + static struct hpt_info *info[] = { &hpt36x, &hpt36x, &hpt36x, + &hpt370, &hpt370a, &hpt372, + &hpt372n }; if (PCI_FUNC(dev->devfn) & 1) return -ENODEV; - pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); - class_rev &= 0xff; + pci_read_config_byte(dev, PCI_REVISION_ID, &rev); - if(dev->device == PCI_DEVICE_ID_TTI_HPT372N) - class_rev = 6; + if (rev > 6) + rev = 6; - if(class_rev <= 6) - d->name = chipset_names[class_rev]; - - switch(class_rev) { - case 6: - case 5: - case 4: - case 3: - goto init_single; - default: - break; - } + d->name = chipset_names[rev]; + + pci_set_drvdata(dev, info[rev]); + + if (rev > 2) + goto init_single; d->channels = 1; - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); - while ((findev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { - if ((findev->vendor == dev->vendor) && - (findev->device == dev->device) && - ((findev->devfn - dev->devfn) == 1) && - (PCI_FUNC(findev->devfn) & 1)) { - pci_read_config_byte(findev, PCI_INTERRUPT_PIN, &pin2); - if ((pin1 != pin2) && (dev->irq == findev->irq)) { - d->bootable = ON_BOARD; - printk("%s: onboard version of chipset, " - "pin1=%d pin2=%d\n", d->name, - pin1, pin2); - } - return ide_setup_pci_devices(dev, findev, d); + if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) { + u8 pin1 = 0, pin2 = 0; + int ret; + + pci_set_drvdata(dev2, info[rev]); + + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); + pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2); + if (pin1 != pin2 && dev->irq == dev2->irq) { + d->bootable = ON_BOARD; + printk("%s: onboard version of chipset, pin1=%d pin2=%d\n", + d->name, pin1, pin2); } + ret = ide_setup_pci_devices(dev, dev2, d); + if (ret < 0) + pci_dev_put(dev2); + return ret; } init_single: return ide_setup_pci_device(dev, d); @@ -1516,64 +1567,68 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .name = "HPT366", .init_setup = init_setup_hpt366, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, .extra = 240 },{ /* 1 */ .name = "HPT372A", - .init_setup = init_setup_hpt37x, + .init_setup = init_setup_hpt372a, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, + .extra = 240 },{ /* 2 */ .name = "HPT302", - .init_setup = init_setup_hpt37x, + .init_setup = init_setup_hpt302, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, + .extra = 240 },{ /* 3 */ .name = "HPT371", .init_setup = init_setup_hpt371, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, .autodma = AUTODMA, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, + .extra = 240 },{ /* 4 */ .name = "HPT374", .init_setup = init_setup_hpt374, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, /* 4 */ .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, + .extra = 240 },{ /* 5 */ .name = "HPT372N", - .init_setup = init_setup_hpt37x, + .init_setup = init_setup_hpt372n, .init_chipset = init_chipset_hpt366, - .init_iops = init_iops_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .channels = 2, /* 4 */ .autodma = AUTODMA, + .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, .bootable = OFF_BOARD, + .extra = 240 } }; 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