/* * ULI M1575 setup code - specific to Freescale boards * * Copyright 2007 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #define ULI_PIRQA 0x08 #define ULI_PIRQB 0x09 #define ULI_PIRQC 0x0a #define ULI_PIRQD 0x0b #define ULI_PIRQE 0x0c #define ULI_PIRQF 0x0d #define ULI_PIRQG 0x0e #define ULI_8259_NONE 0x00 #define ULI_8259_IRQ1 0x08 #define ULI_8259_IRQ3 0x02 #define ULI_8259_IRQ4 0x04 #define ULI_8259_IRQ5 0x05 #define ULI_8259_IRQ6 0x07 #define ULI_8259_IRQ7 0x06 #define ULI_8259_IRQ9 0x01 #define ULI_8259_IRQ10 0x03 #define ULI_8259_IRQ11 0x09 #define ULI_8259_IRQ12 0x0b #define ULI_8259_IRQ14 0x0d #define ULI_8259_IRQ15 0x0f u8 uli_pirq_to_irq[8] = { ULI_8259_IRQ9, /* PIRQA */ ULI_8259_IRQ10, /* PIRQB */ ULI_8259_IRQ11, /* PIRQC */ ULI_8259_IRQ12, /* PIRQD */ ULI_8259_IRQ5, /* PIRQE */ ULI_8259_IRQ6, /* PIRQF */ ULI_8259_IRQ7, /* PIRQG */ ULI_8259_NONE, /* PIRQH */ }; /* set in board code if you want this quirks to do something */ int uses_fsl_uli_m1575; /* Bridge */ static void __devinit early_uli5249(struct pci_dev *dev) { unsigned char temp; if (!uses_fsl_uli_m1575) return; pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); /* read/write lock */ pci_read_config_byte(dev, 0x7c, &temp); pci_write_config_byte(dev, 0x7c, 0x80); /* set as P2P bridge */ pci_write_config_byte(dev, PCI_CLASS_PROG, 0x01); dev->class |= 0x1; /* restore lock */ pci_write_config_byte(dev, 0x7c, temp); } static void __devinit quirk_uli1575(struct pci_dev *dev) { int i; if (!uses_fsl_uli_m1575) return; /* * ULI1575 interrupts route setup */ /* ULI1575 IRQ mapping conf register maps PIRQx to IRQn */ for (i = 0; i < 4; i++) { u8 val = uli_pirq_to_irq[i*2] | (uli_pirq_to_irq[i*2+1] << 4); pci_write_config_byte(dev, 0x48 + i, val); } /* USB 1.1 OHCI controller 1: dev 28, func 0 - IRQ12 */ pci_write_config_byte(dev, 0x86, ULI_PIRQD); /* USB 1.1 OHCI controller 2: dev 28, func 1 - IRQ9 */ pci_write_config_byte(dev, 0x87, ULI_PIRQA); /* USB 1.1 OHCI controller 3: dev 28, func 2 - IRQ10 */ pci_write_config_byte(dev, 0x88, ULI_PIRQB); /* Lan controller: dev 27, func 0 - IRQ6 */ pci_write_config_byte(dev, 0x89, ULI_PIRQF); /* AC97 Audio controller: dev 29, func 0 - IRQ6 */ pci_write_config_byte(dev, 0x8a, ULI_PIRQF); /* Modem controller: dev 29, func 1 - IRQ6 */ pci_write_config_byte(dev, 0x8b, ULI_PIRQF); /* HD Audio controller: dev 29, func 2 - IRQ6 */ pci_write_config_byte(dev, 0x8c, ULI_PIRQF); /* SATA controller: dev 31, func 1 - IRQ5 */ pci_write_config_byte(dev, 0x8d, ULI_PIRQE); /* SMB interrupt: dev 30, func 1 - IRQ7 */ pci_write_config_byte(dev, 0x8e, ULI_PIRQG); /* PMU ACPI SCI interrupt: dev 30, func 2 - IRQ7 */ pci_write_config_byte(dev, 0x8f, ULI_PIRQG); /* USB 2.0 controller: dev 28, func 3 */ pci_write_config_byte(dev, 0x74, ULI_8259_IRQ11); /* Primary PATA IDE IRQ: 14 * Secondary PATA IDE IRQ: 15 */ pci_write_config_byte(dev, 0x44, 0x30 | ULI_8259_IRQ14); pci_write_config_byte(dev, 0x75, ULI_8259_IRQ15); } static void __devinit quirk_final_uli1575(struct pci_dev *dev) { /* Set i8259 interrupt trigger * IRQ 3: Level * IRQ 4: Level * IRQ 5: Level * IRQ 6: Level * IRQ 7: Level * IRQ 9: Level * IRQ 10: Level * IRQ 11: Level * IRQ 12: Level * IRQ 14: Edge * IRQ 15: Edge */ if (!uses_fsl_uli_m1575) return; outb(0xfa, 0x4d0); outb(0x1e, 0x4d1); /* setup RTC */ CMOS_WRITE(RTC_SET, RTC_CONTROL); CMOS_WRITE(RTC_24H, RTC_CONTROL); /* ensure month, date, and week alarm fields are ignored */ CMOS_WRITE(0, RTC_VALID); outb_p(0x7c, 0x72); outb_p(RTC_ALARM_DONT_CARE, 0x73); outb_p(0x7d, 0x72); outb_p(RTC_ALARM_DONT_CARE, 0x73); } /* SATA */ static void __devinit quirk_uli5288(struct pci_dev *dev) { unsigned char c; unsigned int d; if (!uses_fsl_uli_m1575) return; /* read/write lock */ pci_read_config_byte(dev, 0x83, &c); pci_write_config_byte(dev, 0x83, c|0x80); pci_read_config_dword(dev, PCI_CLASS_REVISION, &d); d = (d & 0xff) | (PCI_CLASS_STORAGE_SATA_AHCI << 8); pci_write_config_dword(dev, PCI_CLASS_REVISION, d); /* restore lock */ pci_write_config_byte(dev, 0x83, c); /* disable emulated PATA mode enabled */ pci_read_config_byte(dev, 0x84, &c); pci_write_config_byte(dev, 0x84, c & ~0x01); } /* PATA */ static void __devinit quirk_uli5229(struct pci_dev *dev) { unsigned short temp; if (!uses_fsl_uli_m1575) return; pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE | PCI_COMMAND_MASTER | PCI_COMMAND_IO); /* Enable Native IRQ 14/15 */ pci_read_config_word(dev, 0x4a, &temp); pci_write_config_word(dev, 0x4a, temp | 0x1000); } /* We have to do a dummy read on the P2P for the RTC to work, WTF */ static void __devinit quirk_final_uli5249(struct pci_dev *dev) { int i; u8 *dummy; struct pci_bus *bus = dev->bus; for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { if ((bus->resource[i]) && (bus->resource[i]->flags & IORESOURCE_MEM)) { dummy = ioremap(bus->resource[i]->start, 0x4); if (dummy) { in_8(dummy); iounmap(dummy); } break; } } } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5249, quirk_final_uli5249); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x1575, quirk_final_uli1575); int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { if (bus == (hose->first_busno + 2)) { /* exclude Modem controller */ if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 1)) return PCIBIOS_DEVICE_NOT_FOUND; /* exclude HD Audio controller */ if ((PCI_SLOT(devfn) == 29) && (PCI_FUNC(devfn) == 2)) return PCIBIOS_DEVICE_NOT_FOUND; } return PCIBIOS_SUCCESSFUL; }