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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>
This commit is contained in:
Paul Mackerras 2005-10-26 16:36:55 +10:00
parent d9953105ce
commit 25635c71e4
7 changed files with 58 additions and 156 deletions
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10
arch/powerpc/Kconfig
View File

@ -280,11 +280,13 @@ config PPC_PSERIES
config PPC_CHRP
bool " Common Hardware Reference Platform (CHRP) based machines"
depends on PPC_MULTIPLATFORM && PPC32
select PPC_INDIRECT_PCI
default y
config PPC_PMAC
bool " Apple PowerMac based machines"
depends on PPC_MULTIPLATFORM
select PPC_INDIRECT_PCI if PPC32
default y
config PPC_PMAC64
@ -296,6 +298,7 @@ config PPC_PMAC64
config PPC_PREP
bool " PowerPC Reference Platform (PReP) based machines"
depends on PPC_MULTIPLATFORM && PPC32
select PPC_INDIRECT_PCI
default y
config PPC_MAPLE
@ -637,6 +640,12 @@ config GENERIC_ISA_DMA
depends on PPC64 || POWER4 || 6xx && !CPM2
default y
config PPC_INDIRECT_PCI
bool
depends on PCI
default y if 40x || 44x || 85xx || 83xx
default n
config EISA
bool
@ -677,6 +686,7 @@ config PCI_QSPAN
config PCI_8260
bool
depends on PCI && 8260
select PPC_INDIRECT_PCI
default y
config 8260_PCI9

8
arch/powerpc/platforms/embedded6xx/Kconfig
View File

@ -27,6 +27,7 @@ config CHESTNUT
config SPRUCE
bool "IBM-Spruce"
select PPC_INDIRECT_PCI
config HDPU
bool "Sky-HDPU"
@ -50,15 +51,19 @@ config LOPEC
config MVME5100
bool "Motorola-MVME5100"
select PPC_INDIRECT_PCI
config PPLUS
bool "Motorola-PowerPlus"
select PPC_INDIRECT_PCI
config PRPMC750
bool "Motorola-PrPMC750"
select PPC_INDIRECT_PCI
config PRPMC800
bool "Motorola-PrPMC800"
select PPC_INDIRECT_PCI
config SANDPOINT
bool "Motorola-Sandpoint"
@ -74,6 +79,7 @@ config PAL4
config GEMINI
bool "Synergy-Gemini"
select PPC_INDIRECT_PCI
depends on BROKEN
help
Select Gemini if configuring for a Synergy Microsystems' Gemini
@ -226,6 +232,7 @@ config MV64360 # Really MV64360 & MV64460
config MV64X60
bool
depends on (GT64260 || MV64360)
select PPC_INDIRECT_PCI
default y
menu "Set bridge options"
@ -274,6 +281,7 @@ config EPIC_SERIAL_MODE
config MPC10X_BRIDGE
bool
depends on POWERPMC250 || LOPEC || SANDPOINT
select PPC_INDIRECT_PCI
default y
config MPC10X_OPENPIC

3
arch/powerpc/sysdev/Makefile
View File

@ -1,3 +1,2 @@
obj-$(CONFIG_MPIC) += mpic.o
indirectpci-$(CONFIG_PPC_PMAC) = indirect_pci.o
obj-$(CONFIG_PPC32) += $(indirectpci-y)
obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o

18
arch/ppc/Kconfig
View File

@ -568,6 +568,7 @@ config CHESTNUT
config SPRUCE
bool "IBM-Spruce"
select PPC_INDIRECT_PCI
config HDPU
bool "Sky-HDPU"
@ -591,15 +592,19 @@ config LOPEC
config MVME5100
bool "Motorola-MVME5100"
select PPC_INDIRECT_PCI
config PPLUS
bool "Motorola-PowerPlus"
select PPC_INDIRECT_PCI
config PRPMC750
bool "Motorola-PrPMC750"
select PPC_INDIRECT_PCI
config PRPMC800
bool "Motorola-PrPMC800"
select PPC_INDIRECT_PCI
config SANDPOINT
bool "Motorola-Sandpoint"
@ -616,6 +621,7 @@ config PAL4
config GEMINI
bool "Synergy-Gemini"
depends on BROKEN
select PPC_INDIRECT_PCI
help
Select Gemini if configuring for a Synergy Microsystems' Gemini
series Single Board Computer. More information is available at:
@ -749,11 +755,13 @@ config CPM2
config PPC_CHRP
bool " Common Hardware Reference Platform (CHRP) based machines"
depends on PPC_MULTIPLATFORM
select PPC_INDIRECT_PCI
default y
config PPC_PMAC
bool " Apple PowerMac based machines"
depends on PPC_MULTIPLATFORM
select PPC_INDIRECT_PCI
default y
config PPC_PMAC64
@ -764,6 +772,7 @@ config PPC_PMAC64
config PPC_PREP
bool " PowerPC Reference Platform (PReP) based machines"
depends on PPC_MULTIPLATFORM
select PPC_INDIRECT_PCI
default y
config PPC_OF
@ -797,6 +806,7 @@ config MV64360 # Really MV64360 & MV64460
config MV64X60
bool
depends on (GT64260 || MV64360)
select PPC_INDIRECT_PCI
default y
menu "Set bridge options"
@ -845,6 +855,7 @@ config EPIC_SERIAL_MODE
config MPC10X_BRIDGE
bool
depends on POWERPMC250 || LOPEC || SANDPOINT
select PPC_INDIRECT_PCI
default y
config MPC10X_OPENPIC
@ -1139,6 +1150,12 @@ config GENERIC_ISA_DMA
depends on POWER3 || POWER4 || 6xx && !CPM2
default y
config PPC_INDIRECT_PCI
bool
depends on PCI
default y if 40x || 44x || 85xx || 83xx
default n
config EISA
bool
help
@ -1182,6 +1199,7 @@ config PCI_QSPAN
config PCI_8260
bool
depends on PCI && 8260
select PPC_INDIRECT_PCI
default y
config 8260_PCI9

3
arch/ppc/Makefile
View File

@ -61,7 +61,8 @@ head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \
arch/ppc/platforms/ \
arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
arch/ppc/mm/ arch/ppc/lib/ \
arch/ppc/syslib/ arch/powerpc/sysdev/
core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
core-$(CONFIG_83xx) += arch/ppc/platforms/83xx/
core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/

38
arch/ppc/syslib/Makefile
View File

@ -31,7 +31,7 @@ obj-$(CONFIG_GEN_RTC) += todc_time.o
obj-$(CONFIG_PPC4xx_DMA) += ppc4xx_dma.o
obj-$(CONFIG_PPC4xx_EDMA) += ppc4xx_sgdma.o
ifeq ($(CONFIG_40x),y)
obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o ppc405_pci.o
obj-$(CONFIG_PCI) += pci_auto.o ppc405_pci.o
endif
endif
obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \
@ -40,43 +40,43 @@ ifeq ($(CONFIG_8xx),y)
obj-$(CONFIG_PCI) += qspan_pci.o i8259.o
endif
obj-$(CONFIG_PPC_OF) += prom_init.o prom.o
obj-$(CONFIG_PPC_PMAC) += open_pic.o indirect_pci.o
obj-$(CONFIG_PPC_PMAC) += open_pic.o
obj-$(CONFIG_POWER4) += open_pic2.o
obj-$(CONFIG_PPC_CHRP) += open_pic.o indirect_pci.o i8259.o
obj-$(CONFIG_PPC_PREP) += open_pic.o indirect_pci.o i8259.o todc_time.o
obj-$(CONFIG_BAMBOO) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_PPC_CHRP) += open_pic.o i8259.o
obj-$(CONFIG_PPC_PREP) += open_pic.o i8259.o todc_time.o
obj-$(CONFIG_BAMBOO) += pci_auto.o todc_time.o
obj-$(CONFIG_CPCI690) += todc_time.o pci_auto.o
obj-$(CONFIG_EBONY) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_EBONY) += pci_auto.o todc_time.o
obj-$(CONFIG_EV64260) += todc_time.o pci_auto.o
obj-$(CONFIG_CHESTNUT) += mv64360_pic.o pci_auto.o
obj-$(CONFIG_GEMINI) += open_pic.o indirect_pci.o
obj-$(CONFIG_GEMINI) += open_pic.o
obj-$(CONFIG_GT64260) += gt64260_pic.o
obj-$(CONFIG_LOPEC) += i8259.o pci_auto.o todc_time.o
obj-$(CONFIG_HDPU) += pci_auto.o
obj-$(CONFIG_LUAN) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_LUAN) += pci_auto.o todc_time.o
obj-$(CONFIG_KATANA) += pci_auto.o
obj-$(CONFIG_MV64360) += mv64360_pic.o
obj-$(CONFIG_MV64X60) += mv64x60.o mv64x60_win.o indirect_pci.o
obj-$(CONFIG_MVME5100) += open_pic.o todc_time.o indirect_pci.o \
obj-$(CONFIG_MV64X60) += mv64x60.o mv64x60_win.o
obj-$(CONFIG_MVME5100) += open_pic.o todc_time.o \
pci_auto.o hawk_common.o
obj-$(CONFIG_MVME5100_IPMC761_PRESENT) += i8259.o
obj-$(CONFIG_OCOTEA) += indirect_pci.o pci_auto.o todc_time.o
obj-$(CONFIG_OCOTEA) += pci_auto.o todc_time.o
obj-$(CONFIG_PAL4) += cpc700_pic.o
obj-$(CONFIG_POWERPMC250) += pci_auto.o
obj-$(CONFIG_PPLUS) += hawk_common.o open_pic.o i8259.o \
indirect_pci.o todc_time.o pci_auto.o
obj-$(CONFIG_PRPMC750) += open_pic.o indirect_pci.o pci_auto.o \
todc_time.o pci_auto.o
obj-$(CONFIG_PRPMC750) += open_pic.o pci_auto.o \
hawk_common.o
obj-$(CONFIG_HARRIER) += harrier.o
obj-$(CONFIG_PRPMC800) += open_pic.o indirect_pci.o pci_auto.o
obj-$(CONFIG_PRPMC800) += open_pic.o pci_auto.o
obj-$(CONFIG_RADSTONE_PPC7D) += i8259.o pci_auto.o
obj-$(CONFIG_SANDPOINT) += i8259.o pci_auto.o todc_time.o
obj-$(CONFIG_SBC82xx) += todc_time.o
obj-$(CONFIG_SPRUCE) += cpc700_pic.o indirect_pci.o pci_auto.o \
obj-$(CONFIG_SPRUCE) += cpc700_pic.o pci_auto.o \
todc_time.o
obj-$(CONFIG_8260) += m8260_setup.o pq2_devices.o pq2_sys.o \
ppc_sys.o
obj-$(CONFIG_PCI_8260) += m82xx_pci.o indirect_pci.o pci_auto.o
obj-$(CONFIG_PCI_8260) += m82xx_pci.o pci_auto.o
obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o
obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o
ifeq ($(CONFIG_PPC_GEN550),y)
@ -87,7 +87,7 @@ ifeq ($(CONFIG_SERIAL_MPSC_CONSOLE),y)
obj-$(CONFIG_SERIAL_TEXT_DEBUG) += mv64x60_dbg.o
endif
obj-$(CONFIG_BOOTX_TEXT) += btext.o
obj-$(CONFIG_MPC10X_BRIDGE) += mpc10x_common.o indirect_pci.o ppc_sys.o
obj-$(CONFIG_MPC10X_BRIDGE) += mpc10x_common.o ppc_sys.o
obj-$(CONFIG_MPC10X_OPENPIC) += open_pic.o
obj-$(CONFIG_40x) += dcr.o
obj-$(CONFIG_BOOKE) += dcr.o
@ -95,12 +95,12 @@ obj-$(CONFIG_85xx) += open_pic.o ppc85xx_common.o ppc85xx_setup.o \
ppc_sys.o i8259.o mpc85xx_sys.o \
mpc85xx_devices.o
ifeq ($(CONFIG_85xx),y)
obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o
obj-$(CONFIG_PCI) += pci_auto.o
endif
obj-$(CONFIG_83xx) += ipic.o ppc83xx_setup.o ppc_sys.o \
mpc83xx_sys.o mpc83xx_devices.o
ifeq ($(CONFIG_83xx),y)
obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o
obj-$(CONFIG_PCI) += pci_auto.o
endif
obj-$(CONFIG_MPC8548_CDS) += todc_time.o
obj-$(CONFIG_MPC8555_CDS) += todc_time.o

134
arch/ppc/syslib/indirect_pci.c
View File

@ -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);
}