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-rw-r--r--arch/mips/pci/ops-vr41xx.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/mips/pci/ops-vr41xx.c b/arch/mips/pci/ops-vr41xx.c
deleted file mode 100644
index 7b7709aa14c7..000000000000
--- a/arch/mips/pci/ops-vr41xx.c
+++ /dev/null
@@ -1,113 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * ops-vr41xx.c, PCI configuration routines for the PCIU of NEC VR4100 series.
- *
- * Copyright (C) 2001-2003 MontaVista Software Inc.
- * Author: Yoichi Yuasa <source@mvista.com>
- * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org>
- */
-/*
- * Changes:
- * MontaVista Software Inc. <source@mvista.com>
- * - New creation, NEC VR4122 and VR4131 are supported.
- */
-#include <linux/pci.h>
-#include <linux/types.h>
-
-#include <asm/io.h>
-
-#define PCICONFDREG (void __iomem *)KSEG1ADDR(0x0f000c14)
-#define PCICONFAREG (void __iomem *)KSEG1ADDR(0x0f000c18)
-
-static inline int set_pci_configuration_address(unsigned char number,
- unsigned int devfn, int where)
-{
- if (number == 0) {
- /*
- * Type 0 configuration
- */
- if (PCI_SLOT(devfn) < 11 || where > 0xff)
- return -EINVAL;
-
- writel((1U << PCI_SLOT(devfn)) | (PCI_FUNC(devfn) << 8) |
- (where & 0xfc), PCICONFAREG);
- } else {
- /*
- * Type 1 configuration
- */
- if (where > 0xff)
- return -EINVAL;
-
- writel(((uint32_t)number << 16) | ((devfn & 0xff) << 8) |
- (where & 0xfc) | 1U, PCICONFAREG);
- }
-
- return 0;
-}
-
-static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
- int size, uint32_t *val)
-{
- uint32_t data;
-
- *val = 0xffffffffU;
- if (set_pci_configuration_address(bus->number, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- data = readl(PCICONFDREG);
-
- switch (size) {
- case 1:
- *val = (data >> ((where & 3) << 3)) & 0xffU;
- break;
- case 2:
- *val = (data >> ((where & 2) << 3)) & 0xffffU;
- break;
- case 4:
- *val = data;
- break;
- default:
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
- int size, uint32_t val)
-{
- uint32_t data;
- int shift;
-
- if (set_pci_configuration_address(bus->number, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- data = readl(PCICONFDREG);
-
- switch (size) {
- case 1:
- shift = (where & 3) << 3;
- data &= ~(0xffU << shift);
- data |= ((val & 0xffU) << shift);
- break;
- case 2:
- shift = (where & 2) << 3;
- data &= ~(0xffffU << shift);
- data |= ((val & 0xffffU) << shift);
- break;
- case 4:
- data = val;
- break;
- default:
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
-
- writel(data, PCICONFDREG);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops vr41xx_pci_ops = {
- .read = pci_config_read,
- .write = pci_config_write,
-};