diff options
Diffstat (limited to 'arch/mips/pci/fixup-vr4133.c')
| -rw-r--r-- | arch/mips/pci/fixup-vr4133.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/arch/mips/pci/fixup-vr4133.c b/arch/mips/pci/fixup-vr4133.c deleted file mode 100644 index 34e651bd2b5..00000000000 --- a/arch/mips/pci/fixup-vr4133.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * arch/mips/pci/fixup-vr4133.c - * - * The NEC CMB-VR4133 Board specific PCI fixups. - * - * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> and - * Alex Sapkov <asapkov@ru.mvista.com> - * - * 2003-2004 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Modified for support in 2.6 - * Author: Manish Lachwani (mlachwani@mvista.com) - * - */ -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/kernel.h> - -#include <asm/io.h> -#include <asm/i8259.h> -#include <asm/vr41xx/cmbvr4133.h> - -extern int vr4133_rockhopper; -extern void ali_m1535plus_init(struct pci_dev *dev); -extern void ali_m5229_init(struct pci_dev *dev); - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - /* - * We have to reset AMD PCnet adapter on Rockhopper since - * PMON leaves it enabled and generating interrupts. This leads - * to a lock if some PCI device driver later enables the IRQ line - * shared with PCnet and there is no AMD PCnet driver to catch its - * interrupts. - */ -#ifdef CONFIG_ROCKHOPPER - if (dev->vendor == PCI_VENDOR_ID_AMD && - dev->device == PCI_DEVICE_ID_AMD_LANCE) { - inl(pci_resource_start(dev, 0) + 0x18); - } -#endif - - /* - * we have to open the bridges' windows down to 0 because otherwise - * we cannot access ISA south bridge I/O registers that get mapped from - * 0. for example, 8259 PIC would be unaccessible without that - */ - if(dev->vendor == PCI_VENDOR_ID_INTEL && dev->device == PCI_DEVICE_ID_INTEL_S21152BB) { - pci_write_config_byte(dev, PCI_IO_BASE, 0); - if(dev->bus->number == 0) { - pci_write_config_word(dev, PCI_IO_BASE_UPPER16, 0); - } else { - pci_write_config_word(dev, PCI_IO_BASE_UPPER16, 1); - } - } - - return 0; -} - -/* - * M1535 IRQ mapping - * Feel free to change this, although it shouldn't be needed - */ -#define M1535_IRQ_INTA 7 -#define M1535_IRQ_INTB 9 -#define M1535_IRQ_INTC 10 -#define M1535_IRQ_INTD 11 - -#define M1535_IRQ_USB 9 -#define M1535_IRQ_IDE 14 -#define M1535_IRQ_IDE2 15 -#define M1535_IRQ_PS2 12 -#define M1535_IRQ_RTC 8 -#define M1535_IRQ_FDC 6 -#define M1535_IRQ_AUDIO 5 -#define M1535_IRQ_COM1 4 -#define M1535_IRQ_COM2 4 -#define M1535_IRQ_IRDA 3 -#define M1535_IRQ_KBD 1 -#define M1535_IRQ_TMR 0 - -/* Rockhopper "slots" assignment; this is hard-coded ... */ -#define ROCKHOPPER_M5451_SLOT 1 -#define ROCKHOPPER_M1535_SLOT 2 -#define ROCKHOPPER_M5229_SLOT 11 -#define ROCKHOPPER_M5237_SLOT 15 -#define ROCKHOPPER_PMU_SLOT 12 -/* ... and hard-wired. */ -#define ROCKHOPPER_PCI1_SLOT 3 -#define ROCKHOPPER_PCI2_SLOT 4 -#define ROCKHOPPER_PCI3_SLOT 5 -#define ROCKHOPPER_PCI4_SLOT 6 -#define ROCKHOPPER_PCNET_SLOT 1 - -#define M1535_IRQ_MASK(n) (1 << (n)) - -#define M1535_IRQ_EDGE (M1535_IRQ_MASK(M1535_IRQ_TMR) | \ - M1535_IRQ_MASK(M1535_IRQ_KBD) | \ - M1535_IRQ_MASK(M1535_IRQ_COM1) | \ - M1535_IRQ_MASK(M1535_IRQ_COM2) | \ - M1535_IRQ_MASK(M1535_IRQ_IRDA) | \ - M1535_IRQ_MASK(M1535_IRQ_RTC) | \ - M1535_IRQ_MASK(M1535_IRQ_FDC) | \ - M1535_IRQ_MASK(M1535_IRQ_PS2)) - -#define M1535_IRQ_LEVEL (M1535_IRQ_MASK(M1535_IRQ_IDE) | \ - M1535_IRQ_MASK(M1535_IRQ_USB) | \ - M1535_IRQ_MASK(M1535_IRQ_INTA) | \ - M1535_IRQ_MASK(M1535_IRQ_INTB) | \ - M1535_IRQ_MASK(M1535_IRQ_INTC) | \ - M1535_IRQ_MASK(M1535_IRQ_INTD)) - -struct irq_map_entry { - u16 bus; - u8 slot; - u8 irq; -}; -static struct irq_map_entry int_map[] = { - {1, ROCKHOPPER_M5451_SLOT, M1535_IRQ_AUDIO}, /* Audio controller */ - {1, ROCKHOPPER_PCI1_SLOT, M1535_IRQ_INTD}, /* PCI slot #1 */ - {1, ROCKHOPPER_PCI2_SLOT, M1535_IRQ_INTC}, /* PCI slot #2 */ - {1, ROCKHOPPER_M5237_SLOT, M1535_IRQ_USB}, /* USB host controller */ - {1, ROCKHOPPER_M5229_SLOT, IDE_PRIMARY_IRQ}, /* IDE controller */ - {2, ROCKHOPPER_PCNET_SLOT, M1535_IRQ_INTD}, /* AMD Am79c973 on-board - ethernet */ - {2, ROCKHOPPER_PCI3_SLOT, M1535_IRQ_INTB}, /* PCI slot #3 */ - {2, ROCKHOPPER_PCI4_SLOT, M1535_IRQ_INTC} /* PCI slot #4 */ -}; - -static int pci_intlines[] = - { M1535_IRQ_INTA, M1535_IRQ_INTB, M1535_IRQ_INTC, M1535_IRQ_INTD }; - -/* Determine the Rockhopper IRQ line number for the PCI device */ -int rockhopper_get_irq(struct pci_dev *dev, u8 pin, u8 slot) -{ - struct pci_bus *bus; - int i; - - bus = dev->bus; - if (bus == NULL) - return -1; - - for (i = 0; i < ARRAY_SIZE(int_map); i++) { - if (int_map[i].bus == bus->number && int_map[i].slot == slot) { - int line; - for (line = 0; line < 4; line++) - if (pci_intlines[line] == int_map[i].irq) - break; - if (line < 4) - return pci_intlines[(line + (pin - 1)) % 4]; - else - return int_map[i].irq; - } - } - return -1; -} - -#ifdef CONFIG_ROCKHOPPER -void i8259_init(void) -{ - init_i8259_irqs(); - - outb(0x00, 0x4d0); - outb(0x02, 0x4d1); /* USB IRQ9 is level */ -} -#endif - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - pci_probe_only = 1; - -#ifdef CONFIG_ROCKHOPPER - if( dev->bus->number == 1 && vr4133_rockhopper ) { - if(slot == ROCKHOPPER_PCI1_SLOT || slot == ROCKHOPPER_PCI2_SLOT) - dev->irq = CMBVR41XX_INTA_IRQ; - else - dev->irq = rockhopper_get_irq(dev, pin, slot); - } else - dev->irq = CMBVR41XX_INTA_IRQ; -#else - dev->irq = CMBVR41XX_INTA_IRQ; -#endif - - return dev->irq; -} - -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, ali_m1535plus_init); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229, ali_m5229_init); - - |