diff options
Diffstat (limited to 'arch/mips/pci/pci-ddb5477.c')
-rw-r--r-- | arch/mips/pci/pci-ddb5477.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/arch/mips/pci/pci-ddb5477.c b/arch/mips/pci/pci-ddb5477.c deleted file mode 100644 index 7363e187784..00000000000 --- a/arch/mips/pci/pci-ddb5477.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * PCI code for DDB5477. - * - * Copyright (C) 2001 MontaVista Software Inc. - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * - * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) - * - * 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 <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> - -#include <asm/bootinfo.h> -#include <asm/debug.h> - -#include <asm/ddb5xxx/ddb5xxx.h> - -static struct resource extpci_io_resource = { - .start = DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + 0x4000, - .end = DDB_PCI0_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI0_IO_SIZE - 1, - .name = "ext pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource extpci_mem_resource = { - .start = DDB_PCI0_MEM_BASE + 0x100000, - .end = DDB_PCI0_MEM_BASE + DDB_PCI0_MEM_SIZE - 1, - .name = "ext pci memory space", - .flags = IORESOURCE_MEM -}; - -static struct resource iopci_io_resource = { - .start = DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE, - .end = DDB_PCI1_IO_BASE - DDB_PCI_IO_BASE + DDB_PCI1_IO_SIZE - 1, - .name = "io pci IO space", - .flags = IORESOURCE_IO -}; - -static struct resource iopci_mem_resource = { - .start = DDB_PCI1_MEM_BASE, - .end = DDB_PCI1_MEM_BASE + DDB_PCI1_MEM_SIZE - 1, - .name = "ext pci memory space", - .flags = IORESOURCE_MEM -}; - -extern struct pci_ops ddb5477_ext_pci_ops; -extern struct pci_ops ddb5477_io_pci_ops; - -struct pci_controller ddb5477_ext_controller = { - .pci_ops = &ddb5477_ext_pci_ops, - .io_resource = &extpci_io_resource, - .mem_resource = &extpci_mem_resource -}; - -struct pci_controller ddb5477_io_controller = { - .pci_ops = &ddb5477_io_pci_ops, - .io_resource = &iopci_io_resource, - .mem_resource = &iopci_mem_resource -}; - - - -/* - * we fix up irqs based on the slot number. - * The first entry is at AD:11. - * Fortunately this works because, although we have two pci buses, - * they all have different slot numbers (except for rockhopper slot 20 - * which is handled below). - * - */ - -/* - * irq mapping : device -> pci int # -> vrc4377 irq# , - * ddb5477 board manual page 4 and vrc5477 manual page 46 - */ - -/* - * based on ddb5477 manual page 11 - */ -#define MAX_SLOT_NUM 21 -static unsigned char irq_map[MAX_SLOT_NUM] = { - /* SLOT: 0, AD:11 */ 0xff, - /* SLOT: 1, AD:12 */ 0xff, - /* SLOT: 2, AD:13 */ 0xff, - /* SLOT: 3, AD:14 */ 0xff, - /* SLOT: 4, AD:15 */ VRC5477_IRQ_INTA, /* onboard tulip */ - /* SLOT: 5, AD:16 */ VRC5477_IRQ_INTB, /* slot 1 */ - /* SLOT: 6, AD:17 */ VRC5477_IRQ_INTC, /* slot 2 */ - /* SLOT: 7, AD:18 */ VRC5477_IRQ_INTD, /* slot 3 */ - /* SLOT: 8, AD:19 */ VRC5477_IRQ_INTE, /* slot 4 */ - /* SLOT: 9, AD:20 */ 0xff, - /* SLOT: 10, AD:21 */ 0xff, - /* SLOT: 11, AD:22 */ 0xff, - /* SLOT: 12, AD:23 */ 0xff, - /* SLOT: 13, AD:24 */ 0xff, - /* SLOT: 14, AD:25 */ 0xff, - /* SLOT: 15, AD:26 */ 0xff, - /* SLOT: 16, AD:27 */ 0xff, - /* SLOT: 17, AD:28 */ 0xff, - /* SLOT: 18, AD:29 */ VRC5477_IRQ_IOPCI_INTC, /* vrc5477 ac97 */ - /* SLOT: 19, AD:30 */ VRC5477_IRQ_IOPCI_INTB, /* vrc5477 usb peri */ - /* SLOT: 20, AD:31 */ VRC5477_IRQ_IOPCI_INTA, /* vrc5477 usb host */ -}; -static unsigned char rockhopperII_irq_map[MAX_SLOT_NUM] = { - /* SLOT: 0, AD:11 */ 0xff, - /* SLOT: 1, AD:12 */ VRC5477_IRQ_INTB, /* onboard AMD PCNET */ - /* SLOT: 2, AD:13 */ 0xff, - /* SLOT: 3, AD:14 */ 0xff, - /* SLOT: 4, AD:15 */ 14, /* M5229 ide ISA irq */ - /* SLOT: 5, AD:16 */ VRC5477_IRQ_INTD, /* slot 3 */ - /* SLOT: 6, AD:17 */ VRC5477_IRQ_INTA, /* slot 4 */ - /* SLOT: 7, AD:18 */ VRC5477_IRQ_INTD, /* slot 5 */ - /* SLOT: 8, AD:19 */ 0, /* M5457 modem nop */ - /* SLOT: 9, AD:20 */ VRC5477_IRQ_INTA, /* slot 2 */ - /* SLOT: 10, AD:21 */ 0xff, - /* SLOT: 11, AD:22 */ 0xff, - /* SLOT: 12, AD:23 */ 0xff, - /* SLOT: 13, AD:24 */ 0xff, - /* SLOT: 14, AD:25 */ 0xff, - /* SLOT: 15, AD:26 */ 0xff, - /* SLOT: 16, AD:27 */ 0xff, - /* SLOT: 17, AD:28 */ 0, /* M7101 PMU nop */ - /* SLOT: 18, AD:29 */ VRC5477_IRQ_IOPCI_INTC, /* vrc5477 ac97 */ - /* SLOT: 19, AD:30 */ VRC5477_IRQ_IOPCI_INTB, /* vrc5477 usb peri */ - /* SLOT: 20, AD:31 */ VRC5477_IRQ_IOPCI_INTA, /* vrc5477 usb host */ -}; - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int slot_num; - unsigned char *slot_irq_map; - unsigned char irq; - - /* - * We ignore the swizzled slot and pin values. The original - * pci_fixup_irq() codes largely base irq number on the dev slot - * numbers because except for one case they are unique even - * though there are multiple pci buses. - */ - - if (mips_machtype == MACH_NEC_ROCKHOPPERII) - slot_irq_map = rockhopperII_irq_map; - else - slot_irq_map = irq_map; - - slot_num = PCI_SLOT(dev->devfn); - irq = slot_irq_map[slot_num]; - - db_assert(slot_num < MAX_SLOT_NUM); - - db_assert(irq != 0xff); - - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); - - if (mips_machtype == MACH_NEC_ROCKHOPPERII) { - /* hack to distinquish overlapping slot 20s, one - * on bus 0 (ALI USB on the M1535 on the backplane), - * and one on bus 2 (NEC USB controller on the CPU board) - * Make the M1535 USB - ISA IRQ number 9. - */ - if (slot_num == 20 && dev->bus->number == 0) { - pci_write_config_byte(dev, - PCI_INTERRUPT_LINE, - 9); - irq = 9; - } - - } - - return irq; -} - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} - -void ddb_pci_reset_bus(void) -{ - u32 temp; - - /* - * I am not sure about the "official" procedure, the following - * steps work as far as I know: - * We first set PCI cold reset bit (bit 31) in PCICTRL-H. - * Then we clear the PCI warm reset bit (bit 30) to 0 in PCICTRL-H. - * The same is true for both PCI channels. - */ - temp = ddb_in32(DDB_PCICTL0_H); - temp |= 0x80000000; - ddb_out32(DDB_PCICTL0_H, temp); - temp &= ~0xc0000000; - ddb_out32(DDB_PCICTL0_H, temp); - - temp = ddb_in32(DDB_PCICTL1_H); - temp |= 0x80000000; - ddb_out32(DDB_PCICTL1_H, temp); - temp &= ~0xc0000000; - ddb_out32(DDB_PCICTL1_H, temp); -} |