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Diffstat (limited to 'arch/mips/pci/ops-tx4938.c')
-rw-r--r--arch/mips/pci/ops-tx4938.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/arch/mips/pci/ops-tx4938.c b/arch/mips/pci/ops-tx4938.c
deleted file mode 100644
index a450c406203..00000000000
--- a/arch/mips/pci/ops-tx4938.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Define the pci_ops for the Toshiba rbtx4938
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (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.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/addrspace.h>
-#include <asm/tx4938/rbtx4938.h>
-
-/* initialize in setup */
-struct resource pci_io_resource = {
- .name = "pci IO space",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IO
-};
-
-/* initialize in setup */
-struct resource pci_mem_resource = {
- .name = "pci memory space",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_MEM
-};
-
-struct resource tx4938_pcic1_pci_io_resource = {
- .name = "PCI1 IO",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IO
-};
-struct resource tx4938_pcic1_pci_mem_resource = {
- .name = "PCI1 mem",
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_MEM
-};
-
-static int mkaddr(int bus, int dev_fn, int where,
- struct tx4938_pcic_reg *pcicptr)
-{
- if (bus > 0) {
- /* Type 1 configuration */
- pcicptr->g2pcfgadrs = ((bus & 0xff) << 0x10) |
- ((dev_fn & 0xff) << 0x08) | (where & 0xfc) | 1;
- } else {
- if (dev_fn >= PCI_DEVFN(TX4938_PCIC_MAX_DEVNU, 0))
- return -1;
-
- /* Type 0 configuration */
- pcicptr->g2pcfgadrs = ((bus & 0xff) << 0x10) |
- ((dev_fn & 0xff) << 0x08) | (where & 0xfc);
- }
- /* clear M_ABORT and Disable M_ABORT Int. */
- pcicptr->pcistatus =
- (pcicptr->pcistatus & 0x0000ffff) |
- (PCI_STATUS_REC_MASTER_ABORT << 16);
- pcicptr->pcimask &= ~PCI_STATUS_REC_MASTER_ABORT;
-
- return 0;
-}
-
-static int check_abort(struct tx4938_pcic_reg *pcicptr)
-{
- int code = PCIBIOS_SUCCESSFUL;
- /* wait write cycle completion before checking error status */
- while (pcicptr->pcicstatus & TX4938_PCIC_PCICSTATUS_IWB)
- ;
- if (pcicptr->pcistatus & (PCI_STATUS_REC_MASTER_ABORT << 16)) {
- pcicptr->pcistatus =
- (pcicptr->
- pcistatus & 0x0000ffff) | (PCI_STATUS_REC_MASTER_ABORT
- << 16);
- pcicptr->pcimask |= PCI_STATUS_REC_MASTER_ABORT;
- code = PCIBIOS_DEVICE_NOT_FOUND;
- }
- return code;
-}
-
-extern struct pci_controller tx4938_pci_controller[];
-extern struct tx4938_pcic_reg *get_tx4938_pcicptr(int ch);
-
-static struct tx4938_pcic_reg *pci_bus_to_pcicptr(struct pci_bus *bus)
-{
- struct pci_controller *channel = bus->sysdata;
- return get_tx4938_pcicptr(channel - &tx4938_pci_controller[0]);
-}
-
-static int tx4938_pcibios_read_config(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 * val)
-{
- int retval, dev, busno, func;
- struct tx4938_pcic_reg *pcicptr = pci_bus_to_pcicptr(bus);
- void __iomem *cfgdata =
- (void __iomem *)(unsigned long)&pcicptr->g2pcfgdata;
-
- dev = PCI_SLOT(devfn);
- func = PCI_FUNC(devfn);
-
- /* check if the bus is top-level */
- if (bus->parent != NULL)
- busno = bus->number;
- else {
- busno = 0;
- }
-
- if (mkaddr(busno, devfn, where, pcicptr))
- return -1;
-
- switch (size) {
- case 1:
-#ifdef __BIG_ENDIAN
- cfgdata += (where & 3) ^ 3;
-#else
- cfgdata += where & 3;
-#endif
- *val = __raw_readb(cfgdata);
- break;
- case 2:
-#ifdef __BIG_ENDIAN
- cfgdata += (where & 2) ^ 2;
-#else
- cfgdata += where & 2;
-#endif
- *val = __raw_readw(cfgdata);
- break;
- case 4:
- *val = __raw_readl(cfgdata);
- break;
- }
-
- retval = check_abort(pcicptr);
- if (retval == PCIBIOS_DEVICE_NOT_FOUND)
- *val = 0xffffffff;
-
- return retval;
-}
-
-static int tx4938_pcibios_write_config(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 val)
-{
- int dev, busno, func;
- struct tx4938_pcic_reg *pcicptr = pci_bus_to_pcicptr(bus);
- void __iomem *cfgdata =
- (void __iomem *)(unsigned long)&pcicptr->g2pcfgdata;
-
- busno = bus->number;
- dev = PCI_SLOT(devfn);
- func = PCI_FUNC(devfn);
-
- /* check if the bus is top-level */
- if (bus->parent != NULL) {
- busno = bus->number;
- } else {
- busno = 0;
- }
-
- if (mkaddr(busno, devfn, where, pcicptr))
- return -1;
-
- switch (size) {
- case 1:
-#ifdef __BIG_ENDIAN
- cfgdata += (where & 3) ^ 3;
-#else
- cfgdata += where & 3;
-#endif
- __raw_writeb(val, cfgdata);
- break;
- case 2:
-#ifdef __BIG_ENDIAN
- cfgdata += (where & 2) ^ 2;
-#else
- cfgdata += where & 2;
-#endif
- __raw_writew(val, cfgdata);
- break;
- case 4:
- __raw_writel(val, cfgdata);
- break;
- }
-
- return check_abort(pcicptr);
-}
-
-struct pci_ops tx4938_pci_ops = {
- tx4938_pcibios_read_config,
- tx4938_pcibios_write_config
-};
-
-struct pci_controller tx4938_pci_controller[] = {
- /* h/w only supports devices 0x00 to 0x14 */
- {
- .pci_ops = &tx4938_pci_ops,
- .io_resource = &pci_io_resource,
- .mem_resource = &pci_mem_resource,
- },
- /* h/w only supports devices 0x00 to 0x14 */
- {
- .pci_ops = &tx4938_pci_ops,
- .io_resource = &tx4938_pcic1_pci_io_resource,
- .mem_resource = &tx4938_pcic1_pci_mem_resource,
- }
-};