/* * linux/drivers/ide/ide-pci.c Version 1.05 June 9, 2000 * * Copyright (c) 1998-2000 Andre Hedrick * * Copyright (c) 1995-1998 Mark Lord * May be copied or modified under the terms of the GNU General Public License */ /* * This module provides support for automatic detection and * configuration of all PCI IDE interfaces present in a system. */ #include #include #include #include #include #include #include #include #include #include #include #define DEVID_PIIXa ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_0}) #define DEVID_PIIXb ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_1}) #define DEVID_PIIX3 ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371SB_1}) #define DEVID_PIIX4 ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB}) #define DEVID_PIIX4E ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_1}) #define DEVID_PIIX4E2 ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_1}) #define DEVID_PIIX4U ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_1}) #define DEVID_PIIX4U2 ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82372FB_1}) #define DEVID_PIIX4NX ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX}) #define DEVID_PIIX4U3 ((ide_pci_devid_t){PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82820FW_5}) #define DEVID_VIA_IDE ((ide_pci_devid_t){PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561}) #define DEVID_VP_IDE ((ide_pci_devid_t){PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1}) #define DEVID_PDC20246 ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20246}) #define DEVID_PDC20262 ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20262}) #define DEVID_PDC20265 ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20265}) #define DEVID_PDC20267 ((ide_pci_devid_t){PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20267}) #define DEVID_RZ1000 ((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000}) #define DEVID_RZ1001 ((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001}) #define DEVID_SAMURAI ((ide_pci_devid_t){PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE}) #define DEVID_CMD640 ((ide_pci_devid_t){PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_640}) #define DEVID_CMD643 ((ide_pci_devid_t){PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_643}) #define DEVID_CMD646 ((ide_pci_devid_t){PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_646}) #define DEVID_CMD648 ((ide_pci_devid_t){PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_648}) #define DEVID_CMD649 ((ide_pci_devid_t){PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_649}) #define DEVID_SIS5513 ((ide_pci_devid_t){PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513}) #define DEVID_OPTI621 ((ide_pci_devid_t){PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C621}) #define DEVID_OPTI621V ((ide_pci_devid_t){PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558}) #define DEVID_OPTI621X ((ide_pci_devid_t){PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C825}) #define DEVID_TRM290 ((ide_pci_devid_t){PCI_VENDOR_ID_TEKRAM, PCI_DEVICE_ID_TEKRAM_DC290}) #define DEVID_NS87410 ((ide_pci_devid_t){PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410}) #define DEVID_NS87415 ((ide_pci_devid_t){PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415}) #define DEVID_HT6565 ((ide_pci_devid_t){PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565}) #define DEVID_AEC6210 ((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF}) #define DEVID_AEC6260 ((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860}) #define DEVID_AEC6260R ((ide_pci_devid_t){PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R}) #define DEVID_W82C105 ((ide_pci_devid_t){PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105}) #define DEVID_UM8673F ((ide_pci_devid_t){PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F}) #define DEVID_UM8886A ((ide_pci_devid_t){PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A}) #define DEVID_UM8886BF ((ide_pci_devid_t){PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF}) #define DEVID_HPT34X ((ide_pci_devid_t){PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT343}) #define DEVID_HPT366 ((ide_pci_devid_t){PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366}) #define DEVID_ALI15X3 ((ide_pci_devid_t){PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229}) #define DEVID_CY82C693 ((ide_pci_devid_t){PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693}) #define DEVID_HINT ((ide_pci_devid_t){0x3388, 0x8013}) #define DEVID_CS5530 ((ide_pci_devid_t){PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE}) #define DEVID_AMD7403 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7403}) #define DEVID_AMD7409 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7409}) #define IDE_IGNORE ((void *)-1) #ifdef CONFIG_BLK_DEV_AEC62XX extern unsigned int pci_init_aec62xx(struct pci_dev *, const char *); extern unsigned int ata66_aec62xx(ide_hwif_t *); extern void ide_init_aec62xx(ide_hwif_t *); extern void ide_dmacapable_aec62xx(ide_hwif_t *, unsigned long); #define PCI_AEC62XX &pci_init_aec62xx #define ATA66_AEC62XX &ata66_aec62xx #define INIT_AEC62XX &ide_init_aec62xx #define DMA_AEC62XX &ide_dmacapable_aec62xx #else #define PCI_AEC62XX NULL #define ATA66_AEC62XX NULL #define INIT_AEC62XX NULL #define DMA_AEC62XX NULL #endif #ifdef CONFIG_BLK_DEV_ALI15X3 extern unsigned int pci_init_ali15x3(struct pci_dev *, const char *); extern unsigned int ata66_ali15x3(ide_hwif_t *); extern void ide_init_ali15x3(ide_hwif_t *); extern void ide_dmacapable_ali15x3(ide_hwif_t *, unsigned long); #define PCI_ALI15X3 &pci_init_ali15x3 #define ATA66_ALI15X3 &ata66_ali15x3 #define INIT_ALI15X3 &ide_init_ali15x3 #define DMA_ALI15X3 &ide_dmacapable_ali15x3 #else #define PCI_ALI15X3 NULL #define ATA66_ALI15X3 NULL #define INIT_ALI15X3 NULL #define DMA_ALI15X3 NULL #endif #ifdef CONFIG_BLK_DEV_AMD7409 extern unsigned int pci_init_amd7409(struct pci_dev *, const char *); extern unsigned int ata66_amd7409(ide_hwif_t *); extern void ide_init_amd7409(ide_hwif_t *); extern void ide_dmacapable_amd7409(ide_hwif_t *, unsigned long); #define PCI_AMD7409 &pci_init_amd7409 #define ATA66_AMD7409 &ata66_amd7409 #define INIT_AMD7409 &ide_init_amd7409 #define DMA_AMD7409 &ide_dmacapable_amd7409 #else #define PCI_AMD7409 NULL #define ATA66_AMD7409 NULL #define INIT_AMD7409 NULL #define DMA_AMD7409 NULL #endif #ifdef CONFIG_BLK_DEV_CMD64X extern unsigned int pci_init_cmd64x(struct pci_dev *, const char *); extern unsigned int ata66_cmd64x(ide_hwif_t *); extern void ide_init_cmd64x(ide_hwif_t *); extern void ide_dmacapable_cmd64x(ide_hwif_t *, unsigned long); #define PCI_CMD64X &pci_init_cmd64x #define ATA66_CMD64X &ata66_cmd64x #define INIT_CMD64X &ide_init_cmd64x #else #define PCI_CMD64X NULL #define ATA66_CMD64X NULL #ifdef __sparc_v9__ #define INIT_CMD64X IDE_IGNORE #else #define INIT_CMD64X NULL #endif #endif #ifdef CONFIG_BLK_DEV_CY82C693 extern unsigned int pci_init_cy82c693(struct pci_dev *, const char *); extern void ide_init_cy82c693(ide_hwif_t *); #define PCI_CY82C693 &pci_init_cy82c693 #define INIT_CY82C693 &ide_init_cy82c693 #else #define PCI_CY82C693 NULL #define INIT_CY82C693 NULL #endif #ifdef CONFIG_BLK_DEV_CS5530 extern unsigned int pci_init_cs5530(struct pci_dev *, const char *); extern void ide_init_cs5530(ide_hwif_t *); #define PCI_CS5530 &pci_init_cs5530 #define INIT_CS5530 &ide_init_cs5530 #else #define PCI_CS5530 NULL #define INIT_CS5530 NULL #endif #ifdef CONFIG_BLK_DEV_HPT34X extern unsigned int pci_init_hpt34x(struct pci_dev *, const char *); extern void ide_init_hpt34x(ide_hwif_t *); #define PCI_HPT34X &pci_init_hpt34x #define INIT_HPT34X &ide_init_hpt34x #else #define PCI_HPT34X NULL #define INIT_HPT34X IDE_IGNORE #endif #ifdef CONFIG_BLK_DEV_HPT366 extern byte hpt363_shared_irq; extern byte hpt363_shared_pin; extern unsigned int pci_init_hpt366(struct pci_dev *, const char *); extern unsigned int ata66_hpt366(ide_hwif_t *); extern void ide_init_hpt366(ide_hwif_t *); extern void ide_dmacapable_hpt366(ide_hwif_t *, unsigned long); #define PCI_HPT366 &pci_init_hpt366 #define ATA66_HPT366 &ata66_hpt366 #define INIT_HPT366 &ide_init_hpt366 #define DMA_HPT366 &ide_dmacapable_hpt366 #else static byte hpt363_shared_irq = 0; static byte hpt363_shared_pin = 0; #define PCI_HPT366 NULL #define ATA66_HPT366 NULL #define INIT_HPT366 NULL #define DMA_HPT366 NULL #endif #ifdef CONFIG_BLK_DEV_NS87415 extern void ide_init_ns87415(ide_hwif_t *); #define INIT_NS87415 &ide_init_ns87415 #else #define INIT_NS87415 IDE_IGNORE #endif #ifdef CONFIG_BLK_DEV_OPTI621 extern void ide_init_opti621(ide_hwif_t *); #define INIT_OPTI621 &ide_init_opti621 #else #define INIT_OPTI621 NULL #endif #ifdef CONFIG_BLK_DEV_PDC202XX extern unsigned int pci_init_pdc202xx(struct pci_dev *, const char *); extern unsigned int ata66_pdc202xx(ide_hwif_t *); extern void ide_init_pdc202xx(ide_hwif_t *); #define PCI_PDC202XX &pci_init_pdc202xx #define ATA66_PDC202XX &ata66_pdc202xx #define INIT_PDC202XX &ide_init_pdc202xx #else #define PCI_PDC202XX NULL #define ATA66_PDC202XX NULL #define INIT_PDC202XX NULL #endif #ifdef CONFIG_BLK_DEV_PIIX extern unsigned int pci_init_piix(struct pci_dev *, const char *); extern unsigned int ata66_piix(ide_hwif_t *); extern void ide_init_piix(ide_hwif_t *); #define PCI_PIIX &pci_init_piix #define ATA66_PIIX &ata66_piix #define INIT_PIIX &ide_init_piix #else #define PCI_PIIX NULL #define ATA66_PIIX NULL #define INIT_PIIX NULL #endif #ifdef CONFIG_BLK_DEV_RZ1000 extern void ide_init_rz1000(ide_hwif_t *); #define INIT_RZ1000 &ide_init_rz1000 #else #define INIT_RZ1000 IDE_IGNORE #endif #define INIT_SAMURAI NULL #ifdef CONFIG_BLK_DEV_SIS5513 extern unsigned int pci_init_sis5513(struct pci_dev *, const char *); extern unsigned int ata66_sis5513(ide_hwif_t *); extern void ide_init_sis5513(ide_hwif_t *); #define PCI_SIS5513 &pci_init_sis5513 #define ATA66_SIS5513 &ata66_sis5513 #define INIT_SIS5513 &ide_init_sis5513 #else #define PCI_SIS5513 NULL #define ATA66_SIS5513 NULL #define INIT_SIS5513 NULL #endif #ifdef CONFIG_BLK_DEV_SL82C105 extern void ide_init_sl82c105(ide_hwif_t *); extern void ide_dmacapable_sl82c105(ide_hwif_t *, unsigned long); #define INIT_W82C105 &ide_init_sl82c105 #define DMA_W82C105 &ide_dmacapable_sl82c105 #else #define INIT_W82C105 IDE_IGNORE #define DMA_W82C105 NULL #endif #ifdef CONFIG_BLK_DEV_TRM290 extern void ide_init_trm290(ide_hwif_t *); #define INIT_TRM290 &ide_init_trm290 #else #define INIT_TRM290 IDE_IGNORE #endif #ifdef CONFIG_BLK_DEV_VIA82CXXX extern unsigned int pci_init_via82cxxx(struct pci_dev *, const char *); extern unsigned int ata66_via82cxxx(ide_hwif_t *); extern void ide_init_via82cxxx(ide_hwif_t *); extern void ide_dmacapable_via82cxxx(ide_hwif_t *, unsigned long); #define PCI_VIA82CXXX &pci_init_via82cxxx #define ATA66_VIA82CXXX &ata66_via82cxxx #define INIT_VIA82CXXX &ide_init_via82cxxx #define DMA_VIA82CXXX &ide_dmacapable_via82cxxx #else #define PCI_VIA82CXXX NULL #define ATA66_VIA82CXXX NULL #define INIT_VIA82CXXX NULL #define DMA_VIA82CXXX NULL #endif typedef struct ide_pci_enablebit_s { byte reg; /* byte pci reg holding the enable-bit */ byte mask; /* mask to isolate the enable-bit */ byte val; /* value of masked reg when "enabled" */ } ide_pci_enablebit_t; typedef struct ide_pci_device_s { ide_pci_devid_t devid; char *name; unsigned int (*init_chipset)(struct pci_dev *dev, const char *name); unsigned int (*ata66_check)(ide_hwif_t *hwif); void (*init_hwif)(ide_hwif_t *hwif); void (*dma_init)(ide_hwif_t *hwif, unsigned long dmabase); ide_pci_enablebit_t enablebits[2]; byte bootable; unsigned int extra; } ide_pci_device_t; static ide_pci_device_t ide_pci_chipsets[] __initdata = { {DEVID_PIIXa, "PIIX", NULL, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIXb, "PIIX", NULL, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX3, "PIIX3", PCI_PIIX, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4, "PIIX4", PCI_PIIX, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4E, "PIIX4", PCI_PIIX, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4E2, "PIIX4", PCI_PIIX, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4U, "PIIX4", PCI_PIIX, ATA66_PIIX, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4U2, "PIIX4", PCI_PIIX, ATA66_PIIX, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4NX, "PIIX4", PCI_PIIX, NULL, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_PIIX4U3, "PIIX4", PCI_PIIX, ATA66_PIIX, INIT_PIIX, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_VIA_IDE, "VIA_IDE", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_VP_IDE, "VP_IDE", PCI_VIA82CXXX, ATA66_VIA82CXXX,INIT_VIA82CXXX, DMA_VIA82CXXX, {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, ON_BOARD, 0 }, {DEVID_PDC20246,"PDC20246", PCI_PDC202XX, NULL, INIT_PDC202XX, NULL, {{0x50,0x02,0x02}, {0x50,0x04,0x04}}, OFF_BOARD, 16 }, {DEVID_PDC20262,"PDC20262", PCI_PDC202XX, ATA66_PDC202XX, INIT_PDC202XX, NULL, {{0x50,0x02,0x02}, {0x50,0x04,0x04}}, OFF_BOARD, 48 }, {DEVID_PDC20265,"PDC20265", PCI_PDC202XX, ATA66_PDC202XX, INIT_PDC202XX, NULL, {{0x50,0x02,0x02}, {0x50,0x04,0x04}}, OFF_BOARD, 48 }, {DEVID_PDC20267,"PDC20267", PCI_PDC202XX, ATA66_PDC202XX, INIT_PDC202XX, NULL, {{0x50,0x02,0x02}, {0x50,0x04,0x04}}, OFF_BOARD, 48 }, {DEVID_RZ1000, "RZ1000", NULL, NULL, INIT_RZ1000, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_RZ1001, "RZ1001", NULL, NULL, INIT_RZ1000, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_SAMURAI, "SAMURAI", NULL, NULL, INIT_SAMURAI, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_CMD640, "CMD640", NULL, NULL, IDE_IGNORE, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_NS87410, "NS87410", NULL, NULL, NULL, NULL, {{0x43,0x08,0x08}, {0x47,0x08,0x08}}, ON_BOARD, 0 }, {DEVID_SIS5513, "SIS5513", PCI_SIS5513, ATA66_SIS5513, INIT_SIS5513, NULL, {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, ON_BOARD, 0 }, {DEVID_CMD643, "CMD643", PCI_CMD64X, NULL, INIT_CMD64X, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_CMD646, "CMD646", PCI_CMD64X, NULL, INIT_CMD64X, NULL, {{0x00,0x00,0x00}, {0x51,0x80,0x80}}, ON_BOARD, 0 }, {DEVID_CMD648, "CMD648", PCI_CMD64X, ATA66_CMD64X, INIT_CMD64X, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_CMD649, "CMD649", PCI_CMD64X, ATA66_CMD64X, INIT_CMD64X, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_HT6565, "HT6565", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_OPTI621, "OPTI621", NULL, NULL, INIT_OPTI621, NULL, {{0x45,0x80,0x00}, {0x40,0x08,0x00}}, ON_BOARD, 0 }, {DEVID_OPTI621X,"OPTI621X", NULL, NULL, INIT_OPTI621, NULL, {{0x45,0x80,0x00}, {0x40,0x08,0x00}}, ON_BOARD, 0 }, {DEVID_TRM290, "TRM290", NULL, NULL, INIT_TRM290, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_NS87415, "NS87415", NULL, NULL, INIT_NS87415, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_AEC6210, "AEC6210", PCI_AEC62XX, NULL, INIT_AEC62XX, DMA_AEC62XX, {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, OFF_BOARD, 0 }, {DEVID_AEC6260, "AEC6260", PCI_AEC62XX, ATA66_AEC62XX, INIT_AEC62XX, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, NEVER_BOARD, 0 }, {DEVID_AEC6260R,"AEC6260R", PCI_AEC62XX, ATA66_AEC62XX, INIT_AEC62XX, NULL, {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, OFF_BOARD, 0 }, {DEVID_W82C105, "W82C105", NULL, NULL, INIT_W82C105, DMA_W82C105, {{0x40,0x01,0x01}, {0x40,0x10,0x10}}, ON_BOARD, 0 }, {DEVID_UM8673F, "UM8673F", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_UM8886A, "UM8886A", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_UM8886BF,"UM8886BF", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_HPT34X, "HPT34X", PCI_HPT34X, NULL, INIT_HPT34X, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, NEVER_BOARD, 16 }, {DEVID_HPT366, "HPT366", PCI_HPT366, ATA66_HPT366, INIT_HPT366, DMA_HPT366, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, OFF_BOARD, 240 }, {DEVID_ALI15X3, "ALI15X3", PCI_ALI15X3, ATA66_ALI15X3, INIT_ALI15X3, DMA_ALI15X3, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_CY82C693,"CY82C693", PCI_CY82C693, NULL, INIT_CY82C693, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_HINT, "HINT_IDE", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_CS5530, "CS5530", PCI_CS5530, NULL, INIT_CS5530, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_AMD7403, "AMD7403", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }, {DEVID_AMD7409, "AMD7409", PCI_AMD7409, ATA66_AMD7409, INIT_AMD7409, DMA_AMD7409, {{0x40,0x01,0x01}, {0x40,0x02,0x02}}, ON_BOARD, 0 }, {IDE_PCI_DEVID_NULL, "PCI_IDE", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }}; /* * This allows offboard ide-pci cards the enable a BIOS, verify interrupt * settings of split-mirror pci-config space, place chipset into init-mode, * and/or preserve an interrupt if the card is not native ide support. */ static unsigned int __init ide_special_settings (struct pci_dev *dev, const char *name) { switch(dev->device) { case PCI_DEVICE_ID_TTI_HPT366: case PCI_DEVICE_ID_PROMISE_20246: case PCI_DEVICE_ID_PROMISE_20262: case PCI_DEVICE_ID_PROMISE_20265: case PCI_DEVICE_ID_PROMISE_20267: case PCI_DEVICE_ID_ARTOP_ATP850UF: case PCI_DEVICE_ID_ARTOP_ATP860: case PCI_DEVICE_ID_ARTOP_ATP860R: return dev->irq; default: break; } return 0; } /* * Match a PCI IDE port against an entry in ide_hwifs[], * based on io_base port if possible. */ static ide_hwif_t __init *ide_match_hwif (unsigned long io_base, byte bootable, const char *name) { int h; ide_hwif_t *hwif; /* * Look for a hwif with matching io_base specified using * parameters to ide_setup(). */ for (h = 0; h < MAX_HWIFS; ++h) { hwif = &ide_hwifs[h]; if (hwif->io_ports[IDE_DATA_OFFSET] == io_base) { if (hwif->chipset == ide_generic) return hwif; /* a perfect match */ } } /* * Look for a hwif with matching io_base default value. * If chipset is "ide_unknown", then claim that hwif slot. * Otherwise, some other chipset has already claimed it.. :( */ for (h = 0; h < MAX_HWIFS; ++h) { hwif = &ide_hwifs[h]; if (hwif->io_ports[IDE_DATA_OFFSET] == io_base) { if (hwif->chipset == ide_unknown) return hwif; /* match */ printk("%s: port 0x%04lx already claimed by %s\n", name, io_base, hwif->name); return NULL; /* already claimed */ } } /* * Okay, there is no hwif matching our io_base, * so we'll just claim an unassigned slot. * Give preference to claiming other slots before claiming ide0/ide1, * just in case there's another interface yet-to-be-scanned * which uses ports 1f0/170 (the ide0/ide1 defaults). * * Unless there is a bootable card that does not use the standard * ports 1f0/170 (the ide0/ide1 defaults). The (bootable) flag. */ if (bootable) { for (h = 0; h < MAX_HWIFS; ++h) { hwif = &ide_hwifs[h]; if (hwif->chipset == ide_unknown) return hwif; /* pick an unused entry */ } } else { for (h = 2; h < MAX_HWIFS; ++h) { hwif = ide_hwifs + h; if (hwif->chipset == ide_unknown) return hwif; /* pick an unused entry */ } } for (h = 0; h < 2; ++h) { hwif = ide_hwifs + h; if (hwif->chipset == ide_unknown) return hwif; /* pick an unused entry */ } printk("%s: too many IDE interfaces, no room in table\n", name); return NULL; } static int __init ide_setup_pci_baseregs (struct pci_dev *dev, const char *name) { byte reg, progif = 0; /* * Place both IDE interfaces into PCI "native" mode: */ if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || (progif & 5) != 5) { if ((progif & 0xa) != 0xa) { printk("%s: device not capable of full native PCI mode\n", name); return 1; } printk("%s: placing both ports into native PCI mode\n", name); (void) pci_write_config_byte(dev, PCI_CLASS_PROG, progif|5); if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || (progif & 5) != 5) { printk("%s: rewrite of PROGIF failed, wanted 0x%04x, got 0x%04x\n", name, progif|5, progif); return 1; } } /* * Setup base registers for IDE command/control spaces for each interface: */ for (reg = 0; reg < 4; reg++) { struct resource *res = dev->resource + reg; if (!(res->flags & PCI_BASE_ADDRESS_SPACE_IO)) continue; if (!res->start) { printk("%s: Missing I/O address #%d\n", name, reg); return 1; } } return 0; } /* * ide_setup_pci_device() looks at the primary/secondary interfaces * on a PCI IDE device and, if they are enabled, prepares the IDE driver * for use with them. This generic code works for most PCI chipsets. * * One thing that is not standardized is the location of the * primary/secondary interface "enable/disable" bits. For chipsets that * we "know" about, this information is in the ide_pci_device_t struct; * for all other chipsets, we just assume both interfaces are enabled. */ static void __init ide_setup_pci_device (struct pci_dev *dev, ide_pci_device_t *d) { unsigned int port, at_least_one_hwif_enabled = 0, autodma = 0, pciirq = 0; unsigned short pcicmd = 0, tried_config = 0; byte tmp = 0; ide_hwif_t *hwif, *mate = NULL; unsigned int class_rev; #ifdef CONFIG_IDEDMA_AUTO autodma = 1; #endif check_if_enabled: if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd)) { printk("%s: error accessing PCI regs\n", d->name); return; } if (!(pcicmd & PCI_COMMAND_IO)) { /* is device disabled? */ /* * PnP BIOS was *supposed* to have set this device up for us, * but we can do it ourselves, so long as the BIOS has assigned an IRQ * (or possibly the device is using a "legacy header" for IRQs). * Maybe the user deliberately *disabled* the device, * but we'll eventually ignore it again if no drives respond. */ if (tried_config++ || ide_setup_pci_baseregs(dev, d->name) || pci_write_config_word(dev, PCI_COMMAND, pcicmd | PCI_COMMAND_IO)) { printk("%s: device disabled (BIOS)\n", d->name); return; } autodma = 0; /* default DMA off if we had to configure it here */ goto check_if_enabled; } if (tried_config) printk("%s: device enabled (Linux)\n", d->name); pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); class_rev &= 0xff; if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X)) { /* see comments in hpt34x.c on why..... */ char *chipset_names[] = {"HPT343", "HPT345"}; strcpy(d->name, chipset_names[(pcicmd & PCI_COMMAND_MEMORY)]); d->bootable = (pcicmd & PCI_COMMAND_MEMORY) ? OFF_BOARD : NEVER_BOARD; } printk("%s: chipset revision %d\n", d->name, class_rev); /* * Can we trust the reported IRQ? */ pciirq = dev->irq; if ((dev->class & ~(0xfa)) != ((PCI_CLASS_STORAGE_IDE << 8) | 5)) { printk("%s: not 100%% native mode: will probe irqs later\n", d->name); /* * This allows offboard ide-pci cards the enable a BIOS, * verify interrupt settings of split-mirror pci-config * space, place chipset into init-mode, and/or preserve * an interrupt if the card is not native ide support. */ pciirq = (d->init_chipset) ? d->init_chipset(dev, d->name) : ide_special_settings(dev, d->name); } else if (tried_config) { printk("%s: will probe irqs later\n", d->name); pciirq = 0; } else if (!pciirq) { printk("%s: bad irq (%d): will probe later\n", d->name, pciirq); pciirq = 0; } else { if (d->init_chipset) (void) d->init_chipset(dev, d->name); #ifdef __sparc__ printk("%s: 100%% native mode on irq %s\n", d->name, __irq_itoa(pciirq)); #else printk("%s: 100%% native mode on irq %d\n", d->name, pciirq); #endif } /* * Set up the IDE ports */ for (port = 0; port <= 1; ++port) { unsigned long base = 0, ctl = 0; ide_pci_enablebit_t *e = &(d->enablebits[port]); if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) || (tmp & e->mask) != e->val)) continue; /* port not enabled */ if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366) && (port) && (class_rev < 0x03)) return; if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE || (dev->class & (port ? 4 : 1)) != 0) { ctl = dev->resource[(2*port)+1].start; base = dev->resource[2*port].start; if (!(ctl & PCI_BASE_ADDRESS_IO_MASK) || !(base & PCI_BASE_ADDRESS_IO_MASK)) { printk("%s: IO baseregs (BIOS) are reported as MEM, report to .\n", d->name); #if 0 /* FIXME! This really should check that it really gets the IO/MEM part right! */ continue; #endif } } if ((ctl && !base) || (base && !ctl)) { printk("%s: inconsistent baseregs (BIOS) for port %d, skipping\n", d->name, port); continue; } if (!ctl) ctl = port ? 0x374 : 0x3f4; /* use default value */ if (!base) base = port ? 0x170 : 0x1f0; /* use default value */ if ((hwif = ide_match_hwif(base, d->bootable, d->name)) == NULL) continue; /* no room in ide_hwifs[] */ if (hwif->io_ports[IDE_DATA_OFFSET] != base) { ide_init_hwif_ports(&hwif->hw, base, (ctl | 2), NULL); memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports)); hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET]; } hwif->chipset = ide_pci; hwif->pci_dev = dev; hwif->pci_devid = d->devid; hwif->channel = port; if (!hwif->irq) hwif->irq = pciirq; if (mate) { hwif->mate = mate; mate->mate = hwif; if (IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6210)) { hwif->serialized = 1; mate->serialized = 1; } } if (IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886A) || IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886BF) || IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8673F)) { hwif->irq = hwif->channel ? 15 : 14; goto bypass_umc_dma; } if (hwif->udma_four) { printk("%s: ATA-66/100 forced bit set (WARNING)!!\n", d->name); } else { hwif->udma_four = (d->ata66_check) ? d->ata66_check(hwif) : 0; } #ifdef CONFIG_BLK_DEV_IDEDMA if (IDE_PCI_DEVID_EQ(d->devid, DEVID_SIS5513) || IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260) || IDE_PCI_DEVID_EQ(d->devid, DEVID_PIIX4NX) || IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X)) autodma = 0; if (autodma) hwif->autodma = 1; if (IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20246) || IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20262) || IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20265) || IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20267) || IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6210) || IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260) || IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260R) || IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X) || IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366) || IDE_PCI_DEVID_EQ(d->devid, DEVID_CS5530) || IDE_PCI_DEVID_EQ(d->devid, DEVID_CY82C693) || IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD646) || IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD648) || IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD649) || ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 0x80))) { unsigned long dma_base = ide_get_or_set_dma_base(hwif, (!mate && d->extra) ? d->extra : 0, d->name); if (dma_base && !(pcicmd & PCI_COMMAND_MASTER)) { /* * Set up BM-DMA capability (PnP BIOS should have done this) */ hwif->autodma = 0; /* default DMA off if we had to configure it here */ (void) pci_write_config_word(dev, PCI_COMMAND, pcicmd | PCI_COMMAND_MASTER); if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd) || !(pcicmd & PCI_COMMAND_MASTER)) { printk("%s: %s error updating PCICMD\n", hwif->name, d->name); dma_base = 0; } } if (dma_base) { if (d->dma_init) { d->dma_init(hwif, dma_base); } else { ide_setup_dma(hwif, dma_base, 8); } } else { printk("%s: %s Bus-Master DMA disabled (BIOS)\n", hwif->name, d->name); } } #endif /* CONFIG_BLK_DEV_IDEDMA */ bypass_umc_dma: if (d->init_hwif) /* Call chipset-specific routine for each enabled hwif */ d->init_hwif(hwif); mate = hwif; at_least_one_hwif_enabled = 1; } if (!at_least_one_hwif_enabled) printk("%s: neither IDE port enabled (BIOS)\n", d->name); } static void __init hpt366_device_order_fixup (struct pci_dev *dev, ide_pci_device_t *d) { struct pci_dev *dev2 = NULL, *findev; ide_pci_device_t *d2; unsigned char pin1 = 0, pin2 = 0; unsigned int class_rev; char *chipset_names[] = {"HPT366", "HPT366", "HPT368", "HPT370", "HPT370A"}; if (PCI_FUNC(dev->devfn) & 1) return; pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); class_rev &= 0xff; strcpy(d->name, chipset_names[class_rev]); switch(class_rev) { case 4: case 3: printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn); ide_setup_pci_device(dev, d); return; default: break; } pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); pci_for_each_dev(findev) { if ((findev->vendor == dev->vendor) && (findev->device == dev->device) && ((findev->devfn - dev->devfn) == 1) && (PCI_FUNC(findev->devfn) & 1)) { dev2 = findev; pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2); hpt363_shared_pin = (pin1 != pin2) ? 1 : 0; hpt363_shared_irq = (dev->irq == dev2->irq) ? 1 : 0; if (hpt363_shared_pin && hpt363_shared_irq) { d->bootable = ON_BOARD; printk("%s: onboard version of chipset, pin1=%d pin2=%d\n", d->name, pin1, pin2); } break; } } printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn); ide_setup_pci_device(dev, d); if (!dev2) return; d2 = d; printk("%s: IDE controller on PCI bus %02x dev %02x\n", d2->name, dev2->bus->number, dev2->devfn); ide_setup_pci_device(dev2, d2); } /* * ide_scan_pcibus() gets invoked at boot time from ide.c. * It finds all PCI IDE controllers and calls ide_setup_pci_device for them. */ void __init ide_scan_pcidev (struct pci_dev *dev) { ide_pci_devid_t devid; ide_pci_device_t *d; devid.vid = dev->vendor; devid.did = dev->device; for (d = ide_pci_chipsets; d->devid.vid && !IDE_PCI_DEVID_EQ(d->devid, devid); ++d); if (d->init_hwif == IDE_IGNORE) printk("%s: ignored by ide_scan_pci_device() (uses own driver)\n", d->name); else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_OPTI621V) && !(PCI_FUNC(dev->devfn) & 1)) return; else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_CY82C693) && (!(PCI_FUNC(dev->devfn) & 1) || !((dev->class >> 8) == PCI_CLASS_STORAGE_IDE))) return; /* CY82C693 is more than only a IDE controller */ else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_UM8886A) && !(PCI_FUNC(dev->devfn) & 1)) return; /* UM8886A/BF pair */ else if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366)) hpt366_device_order_fixup(dev, d); else if (!IDE_PCI_DEVID_EQ(d->devid, IDE_PCI_DEVID_NULL) || (dev->class >> 8) == PCI_CLASS_STORAGE_IDE) { if (IDE_PCI_DEVID_EQ(d->devid, IDE_PCI_DEVID_NULL)) printk("%s: unknown IDE controller on PCI bus %02x device %02x, VID=%04x, DID=%04x\n", d->name, dev->bus->number, dev->devfn, devid.vid, devid.did); else printk("%s: IDE controller on PCI bus %02x dev %02x\n", d->name, dev->bus->number, dev->devfn); ide_setup_pci_device(dev, d); } } void __init ide_scan_pcibus (int scan_direction) { struct pci_dev *dev; if (!scan_direction) { pci_for_each_dev(dev) { ide_scan_pcidev(dev); } } else { pci_for_each_dev_reverse(dev) { ide_scan_pcidev(dev); } } }