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powerpc: Use arch/powerpc/mm and arch/powerpc/lib for 64-bit

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This also puts a copy of indirect_pci.c in arch/powerpc/sysdev
so that we don't need to build in arch/ppc/syslib.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2005-10-10 22:25:26 +10:00
parent b3b8dc6c07
commit daec962e27
4 changed files with 143 additions and 24 deletions
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15
arch/powerpc/Makefile
View File

@ -124,15 +124,12 @@ head-$(CONFIG_6xx) += arch/powerpc/kernel/idle_6xx.o
head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
endif
core-y += arch/powerpc/kernel/
core-y += arch/$(OLDARCH)/kernel/
core-$(CONFIG_PPC32) += arch/powerpc/mm/
core-$(CONFIG_PPC64) += arch/$(OLDARCH)/mm/
core-$(CONFIG_PPC32) += arch/powerpc/lib/
libs-$(CONFIG_PPC64) += arch/$(OLDARCH)/lib/
core-y += arch/powerpc/sysdev/
core-y += arch/powerpc/platforms/
core-$(CONFIG_PPC32) += arch/ppc/syslib/
core-y += arch/powerpc/kernel/ \
arch/$(OLDARCH)/kernel/ \
arch/powerpc/mm/ \
arch/powerpc/lib/ \
arch/powerpc/sysdev/ \
arch/powerpc/platforms/
core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
core-$(CONFIG_XMON) += arch/powerpc/xmon/
core-$(CONFIG_APUS) += arch/ppc/amiga/

4
arch/powerpc/sysdev/Makefile
View File

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

134
arch/powerpc/sysdev/indirect_pci.c Normal file
View File

@ -0,0 +1,134 @@
/*
* 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);
}

14
arch/ppc/syslib/Makefile
View File

@ -5,7 +5,6 @@
CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
ifneq ($(CONFIG_PPC_MERGE),y)
wdt-mpc8xx-$(CONFIG_8xx_WDT) += m8xx_wdt.o
obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o
@ -110,16 +109,3 @@ obj-$(CONFIG_PPC_MPC52xx) += mpc52xx_setup.o mpc52xx_pic.o \
ifeq ($(CONFIG_PPC_MPC52xx),y)
obj-$(CONFIG_PCI) += mpc52xx_pci.o
endif
else
# Stuff still needed by the merged powerpc sources
obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o
obj-$(CONFIG_PPC_OF) += prom_init.o prom.o of_device.o
obj-$(CONFIG_PPC_PMAC) += indirect_pci.o
obj-$(CONFIG_PPC_CHRP) += indirect_pci.o i8259.o
obj-$(CONFIG_PPC_PREP) += indirect_pci.o i8259.o todc_time.o
obj-$(CONFIG_BOOTX_TEXT) += btext.o
obj-$(CONFIG_MPC10X_BRIDGE) += mpc10x_common.o indirect_pci.o ppc_sys.o
endif