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authorPaul Mackerras <paulus@samba.org>2005-10-26 16:36:55 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-26 16:36:55 +1000
commit25635c71e44111a6bd48f342e144e2fc02d0a314 (patch)
tree794b0428a72fefa53a0d9d709247a60a5b4527da /arch/ppc/syslib/indirect_pci.c
parentd9953105ce000abcfa988d0c160b2662186f5879 (diff)
ppc: Use the indirect_pci.c from arch/powerpc/sysdev
This defines a CONFIG_INDIRECT_PCI symbol to control whether it gets used or not, and fixes the Kconfig to select that symbol for platforms that need it. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc/syslib/indirect_pci.c')
-rw-r--r--arch/ppc/syslib/indirect_pci.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/arch/ppc/syslib/indirect_pci.c b/arch/ppc/syslib/indirect_pci.c
deleted file mode 100644
index e7148846970..00000000000
--- a/arch/ppc/syslib/indirect_pci.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * Support for indirect PCI bridges.
- *
- * Copyright (C) 1998 Gabriel Paubert.
- *
- * 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/pci.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <asm/machdep.h>
-
-#ifdef CONFIG_PPC_INDIRECT_PCI_BE
-#define PCI_CFG_OUT out_be32
-#else
-#define PCI_CFG_OUT out_le32
-#endif
-
-static int
-indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
- int len, u32 *val)
-{
- struct pci_controller *hose = bus->sysdata;
- volatile void __iomem *cfg_data;
- u8 cfg_type = 0;
-
- if (ppc_md.pci_exclude_device)
- if (ppc_md.pci_exclude_device(bus->number, devfn))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (hose->set_cfg_type)
- if (bus->number != hose->first_busno)
- cfg_type = 1;
-
- PCI_CFG_OUT(hose->cfg_addr,
- (0x80000000 | ((bus->number - hose->bus_offset) << 16)
- | (devfn << 8) | ((offset & 0xfc) | cfg_type)));
-
- /*
- * Note: the caller has already checked that offset is
- * suitably aligned and that len is 1, 2 or 4.
- */
- cfg_data = hose->cfg_data + (offset & 3);
- switch (len) {
- case 1:
- *val = in_8(cfg_data);
- break;
- case 2:
- *val = in_le16(cfg_data);
- break;
- default:
- *val = in_le32(cfg_data);
- break;
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
- int len, u32 val)
-{
- struct pci_controller *hose = bus->sysdata;
- volatile void __iomem *cfg_data;
- u8 cfg_type = 0;
-
- if (ppc_md.pci_exclude_device)
- if (ppc_md.pci_exclude_device(bus->number, devfn))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (hose->set_cfg_type)
- if (bus->number != hose->first_busno)
- cfg_type = 1;
-
- PCI_CFG_OUT(hose->cfg_addr,
- (0x80000000 | ((bus->number - hose->bus_offset) << 16)
- | (devfn << 8) | ((offset & 0xfc) | cfg_type)));
-
- /*
- * Note: the caller has already checked that offset is
- * suitably aligned and that len is 1, 2 or 4.
- */
- cfg_data = hose->cfg_data + (offset & 3);
- switch (len) {
- case 1:
- out_8(cfg_data, val);
- break;
- case 2:
- out_le16(cfg_data, val);
- break;
- default:
- out_le32(cfg_data, val);
- break;
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops indirect_pci_ops =
-{
- indirect_read_config,
- indirect_write_config
-};
-
-void __init
-setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem * cfg_addr,
- void __iomem * cfg_data)
-{
- hose->cfg_addr = cfg_addr;
- hose->cfg_data = cfg_data;
- hose->ops = &indirect_pci_ops;
-}
-
-void __init
-setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
-{
- unsigned long base = cfg_addr & PAGE_MASK;
- void __iomem *mbase, *addr, *data;
-
- mbase = ioremap(base, PAGE_SIZE);
- addr = mbase + (cfg_addr & ~PAGE_MASK);
- if ((cfg_data & PAGE_MASK) != base)
- mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE);
- data = mbase + (cfg_data & ~PAGE_MASK);
- setup_indirect_pci_nomap(hose, addr, data);
-}