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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/ppc64/Kconfig
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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);