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[PATCH] ppc64 iSeries: allow build with no PCI

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This patch allows iSeries to build with CONFIG_PCI=n.  This is useful for
partitions that have only virtual I/O.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stephen Rothwell 2005-06-21 17:15:52 -07:00 committed by Linus Torvalds
parent 7f74e79fe7
commit 145d01e428
11 changed files with 33 additions and 12 deletions
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2
arch/ppc64/Kconfig
View file

@ -323,7 +323,7 @@ config EISA
bool
config PCI
bool
bool "support for PCI devices" if (EMBEDDED && PPC_ISERIES)
default y
help
Find out whether your system includes a PCI bus. PCI is the name of

6
arch/ppc64/kernel/Makefile
View file

@ -16,13 +16,13 @@ obj-y += vdso32/ vdso64/
obj-$(CONFIG_PPC_OF) += of_device.o
pci-obj-$(CONFIG_PPC_ISERIES) += iSeries_pci.o iSeries_VpdInfo.o
pci-obj-$(CONFIG_PPC_ISERIES) += iSeries_pci.o iSeries_irq.o \
iSeries_VpdInfo.o
pci-obj-$(CONFIG_PPC_MULTIPLATFORM) += pci_dn.o pci_direct_iommu.o
obj-$(CONFIG_PCI) += pci.o pci_iommu.o iomap.o $(pci-obj-y)
obj-$(CONFIG_PPC_ISERIES) += iSeries_irq.o \
HvCall.o HvLpConfig.o LparData.o \
obj-$(CONFIG_PPC_ISERIES) += HvCall.o HvLpConfig.o LparData.o \
iSeries_setup.o ItLpQueue.o hvCall.o \
mf.o HvLpEvent.o iSeries_proc.o iSeries_htab.o \
iSeries_iommu.o

4
arch/ppc64/kernel/dma.c
View file

@ -15,8 +15,10 @@
static struct dma_mapping_ops *get_dma_ops(struct device *dev)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
return &pci_dma_ops;
#endif
#ifdef CONFIG_IBMVIO
if (dev->bus == &vio_bus_type)
return &vio_dma_ops;
@ -37,8 +39,10 @@ EXPORT_SYMBOL(dma_supported);
int dma_set_mask(struct device *dev, u64 dma_mask)
{
#ifdef CONFIG_PCI
if (dev->bus == &pci_bus_type)
return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
#endif
#ifdef CONFIG_IBMVIO
if (dev->bus == &vio_bus_type)
return -EIO;

3
arch/ppc64/kernel/iSeries_iommu.c
View file

@ -83,7 +83,7 @@ static void tce_free_iSeries(struct iommu_table *tbl, long index, long npages)
}
}
#ifdef CONFIG_PCI
/*
* This function compares the known tables to find an iommu_table
* that has already been built for hardware TCEs.
@ -159,6 +159,7 @@ void iommu_devnode_init_iSeries(struct iSeries_Device_Node *dn)
else
kfree(tbl);
}
#endif
static void iommu_dev_setup_iSeries(struct pci_dev *dev) { }
static void iommu_bus_setup_iSeries(struct pci_bus *bus) { }

8
arch/ppc64/kernel/iSeries_setup.c
View file

@ -76,7 +76,11 @@ extern void ppcdbg_initialize(void);
static void build_iSeries_Memory_Map(void);
static void setup_iSeries_cache_sizes(void);
static void iSeries_bolt_kernel(unsigned long saddr, unsigned long eaddr);
#ifdef CONFIG_PCI
extern void iSeries_pci_final_fixup(void);
#else
static void iSeries_pci_final_fixup(void) { }
#endif
/* Global Variables */
static unsigned long procFreqHz;
@ -876,6 +880,10 @@ static int set_spread_lpevents(char *str)
}
__setup("spread_lpevents=", set_spread_lpevents);
#ifndef CONFIG_PCI
void __init iSeries_init_IRQ(void) { }
#endif
void __init iSeries_early_setup(void)
{
iSeries_fixup_klimit();

3
arch/ppc64/kernel/sys_ppc32.c
View file

@ -741,6 +741,7 @@ asmlinkage int sys32_pciconfig_write(u32 bus, u32 dfn, u32 off, u32 len, u32 ubu
asmlinkage int sys32_pciconfig_iobase(u32 which, u32 in_bus, u32 in_devfn)
{
#ifdef CONFIG_PCI
struct pci_controller* hose;
struct list_head *ln;
struct pci_bus *bus = NULL;
@ -786,7 +787,7 @@ asmlinkage int sys32_pciconfig_iobase(u32 which, u32 in_bus, u32 in_devfn)
case IOBASE_ISA_MEM:
return -EINVAL;
}
#endif /* CONFIG_PCI */
return -EOPNOTSUPP;
}

2
arch/ppc64/lib/Makefile
View file

@ -12,7 +12,7 @@ lib-$(CONFIG_SMP) += locks.o
# e2a provides EBCDIC to ASCII conversions.
ifdef CONFIG_PPC_ISERIES
obj-$(CONFIG_PCI) += e2a.o
obj-y += e2a.o
endif
lib-$(CONFIG_DEBUG_KERNEL) += sstep.o

8
drivers/char/mem.c
View file

@ -484,7 +484,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
return virtr + wrote;
}
#if defined(CONFIG_ISA) || !defined(__mc68000__)
#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
static ssize_t read_port(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
@ -744,7 +744,7 @@ static struct file_operations null_fops = {
.write = write_null,
};
#if defined(CONFIG_ISA) || !defined(__mc68000__)
#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
static struct file_operations port_fops = {
.llseek = memory_lseek,
.read = read_port,
@ -804,7 +804,7 @@ static int memory_open(struct inode * inode, struct file * filp)
case 3:
filp->f_op = &null_fops;
break;
#if defined(CONFIG_ISA) || !defined(__mc68000__)
#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
case 4:
filp->f_op = &port_fops;
break;
@ -846,7 +846,7 @@ static const struct {
{1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
{2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
{3, "null", S_IRUGO | S_IWUGO, &null_fops},
#if defined(CONFIG_ISA) || !defined(__mc68000__)
#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
{4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops},
#endif
{5, "zero", S_IRUGO | S_IWUGO, &zero_fops},

2
drivers/serial/Kconfig
View file

@ -753,7 +753,7 @@ config SERIAL_MPC52xx_CONSOLE_BAUD
config SERIAL_ICOM
tristate "IBM Multiport Serial Adapter"
depends on PPC_ISERIES || PPC_PSERIES
depends on PCI && (PPC_ISERIES || PPC_PSERIES)
select SERIAL_CORE
help
This driver is for a family of multiport serial adapters

3
include/asm-ppc64/dma.h
View file

@ -27,6 +27,8 @@
/* Doesn't really apply... */
#define MAX_DMA_ADDRESS (~0UL)
#if !defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)
#define dma_outb outb
#define dma_inb inb
@ -323,4 +325,5 @@ extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* !defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI) */
#endif /* _ASM_DMA_H */

4
include/asm-ppc64/iommu.h
View file

@ -137,8 +137,12 @@ extern void iommu_init_early_pSeries(void);
extern void iommu_init_early_iSeries(void);
extern void iommu_init_early_u3(void);
#ifdef CONFIG_PCI
extern void pci_iommu_init(void);
extern void pci_direct_iommu_init(void);
#else
static inline void pci_iommu_init(void) { }
#endif
extern void alloc_u3_dart_table(void);