Merge branch 'master'

This commit is contained in:
Jeff Garzik
2005-11-20 01:05:35 -05:00
60 changed files with 469 additions and 692 deletions

View File

@@ -59,11 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
* fallback to the default.
*/
static inline void __iomem *
__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align)
__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags)
{
extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
if((addr < 0x48000000) || (addr > 0x4fffffff))
return __ioremap(addr, size, flags, align);
return __ioremap(addr, size, flags);
return (void *)addr;
}
@@ -71,13 +70,11 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned
static inline void
__ixp4xx_iounmap(void __iomem *addr)
{
extern void __iounmap(void __iomem *addr);
if ((u32)addr >= VMALLOC_START)
__iounmap(addr);
}
#define __arch_ioremap(a, s, f, x) __ixp4xx_ioremap(a, s, f, x)
#define __arch_ioremap(a, s, f) __ixp4xx_ioremap(a, s, f)
#define __arch_iounmap(a) __ixp4xx_iounmap(a)
#define writeb(v, p) __ixp4xx_writeb(v, p)

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@@ -50,6 +50,11 @@
#define UART011_ICR 0x44 /* Interrupt clear register. */
#define UART011_DMACR 0x48 /* DMA control register. */
#define UART011_DR_OE (1 << 11)
#define UART011_DR_BE (1 << 10)
#define UART011_DR_PE (1 << 9)
#define UART011_DR_FE (1 << 8)
#define UART01x_RSR_OE 0x08
#define UART01x_RSR_BE 0x04
#define UART01x_RSR_PE 0x02

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@@ -54,6 +54,12 @@ extern void __raw_readsl(void __iomem *addr, void *data, int longlen);
#define __raw_readw(a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a))
#define __raw_readl(a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a))
/*
* Architecture ioremap implementation.
*/
extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
extern void __iounmap(void __iomem *addr);
/*
* Bad read/write accesses...
*/
@@ -256,18 +262,15 @@ out:
* ioremap takes a PCI memory address, as specified in
* Documentation/IO-mapping.txt.
*/
extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
extern void __iounmap(void __iomem *addr);
#ifndef __arch_ioremap
#define ioremap(cookie,size) __ioremap(cookie,size,0,1)
#define ioremap_nocache(cookie,size) __ioremap(cookie,size,0,1)
#define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE,1)
#define ioremap(cookie,size) __ioremap(cookie,size,0)
#define ioremap_nocache(cookie,size) __ioremap(cookie,size,0)
#define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE)
#define iounmap(cookie) __iounmap(cookie)
#else
#define ioremap(cookie,size) __arch_ioremap((cookie),(size),0,1)
#define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0,1)
#define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE,1)
#define ioremap(cookie,size) __arch_ioremap((cookie),(size),0)
#define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0)
#define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE)
#define iounmap(cookie) __arch_iounmap(cookie)
#endif

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@@ -100,7 +100,6 @@ static inline void set_fs (mm_segment_t fs)
extern int __get_user_1(void *);
extern int __get_user_2(void *);
extern int __get_user_4(void *);
extern int __get_user_8(void *);
extern int __get_user_bad(void);
#define __get_user_x(__r2,__p,__e,__s,__i...) \
@@ -114,7 +113,7 @@ extern int __get_user_bad(void);
#define get_user(x,p) \
({ \
const register typeof(*(p)) __user *__p asm("r0") = (p);\
register typeof(*(p)) __r2 asm("r2"); \
register unsigned int __r2 asm("r2"); \
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
case 1: \
@@ -126,12 +125,9 @@ extern int __get_user_bad(void);
case 4: \
__get_user_x(__r2, __p, __e, 4, "lr"); \
break; \
case 8: \
__get_user_x(__r2, __p, __e, 8, "lr"); \
break; \
default: __e = __get_user_bad(); break; \
} \
x = __r2; \
x = (typeof(*(p))) __r2; \
__e; \
})

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@@ -1,15 +1,22 @@
/*
* This is based on both include/asm-sh/dma-mapping.h and
* include/asm-ppc/pci.h
* Copyright (C) 2004 IBM
*
* Implements the generic device dma API for powerpc.
* the pci and vio busses
*/
#ifndef __ASM_PPC_DMA_MAPPING_H
#define __ASM_PPC_DMA_MAPPING_H
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H
#include <linux/config.h>
#include <linux/types.h>
#include <linux/cache.h>
/* need struct page definitions */
#include <linux/mm.h>
#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/bug.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
#ifdef CONFIG_NOT_COHERENT_CACHE
/*
@@ -24,22 +31,12 @@ extern void __dma_free_coherent(size_t size, void *vaddr);
extern void __dma_sync(void *vaddr, size_t size, int direction);
extern void __dma_sync_page(struct page *page, unsigned long offset,
size_t size, int direction);
#define dma_cache_inv(_start,_size) \
invalidate_dcache_range(_start, (_start + _size))
#define dma_cache_wback(_start,_size) \
clean_dcache_range(_start, (_start + _size))
#define dma_cache_wback_inv(_start,_size) \
flush_dcache_range(_start, (_start + _size))
#else /* ! CONFIG_NOT_COHERENT_CACHE */
/*
* Cache coherent cores.
*/
#define dma_cache_inv(_start,_size) do { } while (0)
#define dma_cache_wback(_start,_size) do { } while (0)
#define dma_cache_wback_inv(_start,_size) do { } while (0)
#define __dma_alloc_coherent(gfp, size, handle) NULL
#define __dma_free_coherent(size, addr) do { } while (0)
#define __dma_sync(addr, size, rw) do { } while (0)
@@ -47,6 +44,30 @@ extern void __dma_sync_page(struct page *page, unsigned long offset,
#endif /* ! CONFIG_NOT_COHERENT_CACHE */
#ifdef CONFIG_PPC64
extern int dma_supported(struct device *dev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 dma_mask);
extern void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
extern void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_handle);
extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
size_t size, enum dma_data_direction direction);
extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction);
extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction);
extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction);
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nhwentries, enum dma_data_direction direction);
#else /* CONFIG_PPC64 */
#define dma_supported(dev, mask) (1)
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
@@ -144,29 +165,27 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
/* We don't do anything here. */
#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
static inline void
dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
size_t size,
enum dma_data_direction direction)
#endif /* CONFIG_PPC64 */
static inline void dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
__dma_sync(bus_to_virt(dma_handle), size, direction);
}
static inline void
dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
size_t size,
enum dma_data_direction direction)
static inline void dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
__dma_sync(bus_to_virt(dma_handle), size, direction);
}
static inline void
dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction)
static inline void dma_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
int i;
@@ -176,9 +195,9 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
__dma_sync_page(sg->page, sg->offset, sg->length, direction);
}
static inline void
dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction)
static inline void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
int i;
@@ -188,6 +207,15 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
__dma_sync_page(sg->page, sg->offset, sg->length, direction);
}
static inline int dma_mapping_error(dma_addr_t dma_addr)
{
#ifdef CONFIG_PPC64
return (dma_addr == DMA_ERROR_CODE);
#else
return 0;
#endif
}
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#ifdef CONFIG_NOT_COHERENT_CACHE
@@ -198,40 +226,60 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
static inline int dma_get_cache_alignment(void)
{
#ifdef CONFIG_PPC64
/* no easy way to get cache size on all processors, so return
* the maximum possible, to be safe */
return (1 << L1_CACHE_SHIFT_MAX);
#else
/*
* Each processor family will define its own L1_CACHE_SHIFT,
* L1_CACHE_BYTES wraps to this, so this is always safe.
*/
return L1_CACHE_BYTES;
#endif
}
static inline void
dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction)
static inline void dma_sync_single_range_for_cpu(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
/* just sync everything for now */
dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);
}
static inline void
dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction)
static inline void dma_sync_single_range_for_device(struct device *dev,
dma_addr_t dma_handle, unsigned long offset, size_t size,
enum dma_data_direction direction)
{
/* just sync everything for now */
dma_sync_single_for_device(dev, dma_handle, offset + size, direction);
}
static inline void dma_cache_sync(void *vaddr, size_t size,
enum dma_data_direction direction)
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
__dma_sync(vaddr, size, (int)direction);
}
static inline int dma_mapping_error(dma_addr_t dma_addr)
{
return 0;
}
/*
* DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
*/
struct dma_mapping_ops {
void * (*alloc_coherent)(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
void (*free_coherent)(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle);
dma_addr_t (*map_single)(struct device *dev, void *ptr,
size_t size, enum dma_data_direction direction);
void (*unmap_single)(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction);
int (*map_sg)(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
int (*dma_supported)(struct device *dev, u64 mask);
int (*dac_dma_supported)(struct device *dev, u64 mask);
};
#endif /* __ASM_PPC_DMA_MAPPING_H */
#endif /* _ASM_DMA_MAPPING_H */

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@@ -1,5 +1,5 @@
#ifndef _PPC64_IO_H
#define _PPC64_IO_H
#ifndef _ASM_POWERPC_IO_H
#define _ASM_POWERPC_IO_H
/*
* This program is free software; you can redistribute it and/or
@@ -8,7 +8,10 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/config.h>
#ifndef CONFIG_PPC64
#include <asm-ppc/io.h>
#else
#include <linux/compiler.h>
#include <asm/page.h>
#include <asm/byteorder.h>
@@ -455,4 +458,5 @@ extern int check_legacy_ioport(unsigned long base_port);
#endif /* __KERNEL__ */
#endif /* _PPC64_IO_H */
#endif /* CONFIG_PPC64 */
#endif /* _ASM_POWERPC_IO_H */

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@@ -1,3 +1,10 @@
#ifndef _ASM_POWERPC_MMU_H_
#define _ASM_POWERPC_MMU_H_
#ifndef CONFIG_PPC64
#include <asm-ppc/mmu.h>
#else
/*
* PowerPC memory management structures
*
@@ -10,10 +17,6 @@
* 2 of the License, or (at your option) any later version.
*/
#ifndef _PPC64_MMU_H_
#define _PPC64_MMU_H_
#include <linux/config.h>
#include <asm/asm-compat.h>
#include <asm/page.h>
@@ -392,4 +395,5 @@ static inline unsigned long get_vsid(unsigned long context, unsigned long ea)
#endif /* __ASSEMBLY */
#endif /* _PPC64_MMU_H_ */
#endif /* CONFIG_PPC64 */
#endif /* _ASM_POWERPC_MMU_H_ */

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@@ -1,7 +1,10 @@
#ifndef __PPC64_MMU_CONTEXT_H
#define __PPC64_MMU_CONTEXT_H
#ifndef __ASM_POWERPC_MMU_CONTEXT_H
#define __ASM_POWERPC_MMU_CONTEXT_H
#ifndef CONFIG_PPC64
#include <asm-ppc/mmu_context.h>
#else
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <asm/mmu.h>
@@ -82,4 +85,5 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
local_irq_restore(flags);
}
#endif /* __PPC64_MMU_CONTEXT_H */
#endif /* CONFIG_PPC64 */
#endif /* __ASM_POWERPC_MMU_CONTEXT_H */

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@@ -1,8 +1,10 @@
#ifdef __KERNEL__
#ifndef _ASM_PCI_BRIDGE_H
#define _ASM_PCI_BRIDGE_H
#ifndef _ASM_POWERPC_PCI_BRIDGE_H
#define _ASM_POWERPC_PCI_BRIDGE_H
#ifndef CONFIG_PPC64
#include <asm-ppc/pci-bridge.h>
#else
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/list.h>
@@ -147,5 +149,5 @@ extern void pcibios_free_controller(struct pci_controller *phb);
#define PCI_PROBE_NORMAL 0 /* Do normal PCI probing */
#define PCI_PROBE_DEVTREE 1 /* Instantiate from device tree */
#endif /* CONFIG_PPC64 */
#endif
#endif /* __KERNEL__ */

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@@ -1,5 +1,5 @@
#ifndef __PPC64_PCI_H
#define __PPC64_PCI_H
#ifndef __ASM_POWERPC_PCI_H
#define __ASM_POWERPC_PCI_H
#ifdef __KERNEL__
/*
@@ -18,6 +18,7 @@
#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include <asm-generic/pci-dma-compat.h>
@@ -26,11 +27,21 @@
struct pci_dev;
#ifdef CONFIG_PPC_ISERIES
/* Values for the `which' argument to sys_pciconfig_iobase syscall. */
#define IOBASE_BRIDGE_NUMBER 0
#define IOBASE_MEMORY 1
#define IOBASE_IO 2
#define IOBASE_ISA_IO 3
#define IOBASE_ISA_MEM 4
/*
* Set this to 1 if you want the kernel to re-assign all PCI
* bus numbers
*/
extern int pci_assign_all_buses;
#define pcibios_assign_all_busses() (pci_assign_all_buses)
#define pcibios_scan_all_fns(a, b) 0
#else
extern int pcibios_scan_all_fns(struct pci_bus *bus, int devfn);
#endif
static inline void pcibios_set_master(struct pci_dev *dev)
{
@@ -50,6 +61,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
return channel ? 15 : 14;
}
#ifdef CONFIG_PPC64
#define HAVE_ARCH_PCI_MWI 1
static inline int pcibios_prep_mwi(struct pci_dev *dev)
{
@@ -64,12 +76,10 @@ static inline int pcibios_prep_mwi(struct pci_dev *dev)
return 0;
}
extern unsigned int pcibios_assign_all_busses(void);
extern struct dma_mapping_ops pci_dma_ops;
/* For DAC DMA, we currently don't support it by default, but
* we let the platform override this
* we let 64-bit platforms override this.
*/
static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
{
@@ -102,6 +112,35 @@ extern int pci_domain_nr(struct pci_bus *bus);
/* Decide whether to display the domain number in /proc */
extern int pci_proc_domain(struct pci_bus *bus);
#else /* 32-bit */
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
/*
* At present there are very few 32-bit PPC machines that can have
* memory above the 4GB point, and we don't support that.
*/
#define pci_dac_dma_supported(pci_dev, mask) (0)
/* Return the index of the PCI controller for device PDEV. */
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
/* Set the name of the bus as it appears in /proc/bus/pci */
static inline int pci_proc_domain(struct pci_bus *bus)
{
return 0;
}
#endif /* CONFIG_PPC64 */
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
@@ -110,6 +149,7 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1
#ifdef CONFIG_PPC64
/* pci_unmap_{single,page} is not a nop, thus... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
@@ -124,22 +164,40 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use
/* The PCI address space does not equal the physical memory address
* space (we have an IOMMU). The IDE and SCSI device layers use
* this boolean for bounce buffer decisions.
*/
#define PCI_DMA_BUS_IS_PHYS (0)
#else /* 32-bit */
/* The PCI address space does equal the physical memory
* address space (no IOMMU). The IDE and SCSI device layers use
* this boolean for bounce buffer decisions.
*/
#define PCI_DMA_BUS_IS_PHYS (1)
/* pci_unmap_{page,single} is a nop so... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
#define pci_unmap_addr(PTR, ADDR_NAME) (0)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
#define pci_unmap_len(PTR, LEN_NAME) (0)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
#endif /* CONFIG_PPC64 */
extern void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
extern void pcibios_resource_to_bus(struct pci_dev *dev,
struct pci_bus_region *region,
struct resource *res);
extern void
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
extern void pcibios_bus_to_resource(struct pci_dev *dev,
struct resource *res,
struct pci_bus_region *region);
static inline struct resource *
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
struct resource *res)
{
struct resource *root = NULL;
@@ -151,14 +209,12 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res)
return root;
}
extern int
unmap_bus_range(struct pci_bus *bus);
extern int unmap_bus_range(struct pci_bus *bus);
extern int
remap_bus_range(struct pci_bus *bus);
extern int remap_bus_range(struct pci_bus *bus);
extern void
pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus);
extern void pcibios_fixup_device_resources(struct pci_dev *dev,
struct pci_bus *bus);
extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
@@ -180,14 +236,12 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file,
unsigned long size,
pgprot_t prot);
#ifdef CONFIG_PPC_MULTIPLATFORM
#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32)
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
u64 *start, u64 *end);
#endif /* CONFIG_PPC_MULTIPLATFORM */
#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */
#endif /* __KERNEL__ */
#endif /* __PPC64_PCI_H */
#endif /* __ASM_POWERPC_PCI_H */

View File

@@ -1,5 +1,9 @@
#ifndef _PPC64_PGALLOC_H
#define _PPC64_PGALLOC_H
#ifndef _ASM_POWERPC_PGALLOC_H
#define _ASM_POWERPC_PGALLOC_H
#ifndef CONFIG_PPC64
#include <asm-ppc/pgalloc.h>
#else
#include <linux/mm.h>
#include <linux/slab.h>
@@ -148,4 +152,5 @@ extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
#define check_pgt_cache() do { } while (0)
#endif /* _PPC64_PGALLOC_H */
#endif /* CONFIG_PPC64 */
#endif /* _ASM_POWERPC_PGALLOC_H */

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@@ -1,5 +1,9 @@
#ifndef _PPC64_PGTABLE_H
#define _PPC64_PGTABLE_H
#ifndef _ASM_POWERPC_PGTABLE_H
#define _ASM_POWERPC_PGTABLE_H
#ifndef CONFIG_PPC64
#include <asm-ppc/pgtable.h>
#else
/*
* This file contains the functions and defines necessary to modify and use
@@ -46,6 +50,13 @@ struct mm_struct;
#define VMALLOC_SIZE (0x80000000000UL)
#define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE)
/*
* Define the address range of the imalloc VM area.
*/
#define PHBS_IO_BASE VMALLOC_END
#define IMALLOC_BASE (PHBS_IO_BASE + 0x80000000ul) /* Reserve 2 gigs for PHBs */
#define IMALLOC_END (VMALLOC_START + PGTABLE_RANGE)
/*
* Common bits in a linux-style PTE. These match the bits in the
* (hardware-defined) PowerPC PTE as closely as possible. Additional
@@ -69,7 +80,7 @@ struct mm_struct;
#define _PAGE_WRENABLE (_PAGE_RW | _PAGE_DIRTY)
/* __pgprot defined in asm-ppc64/page.h */
/* __pgprot defined in asm-powerpc/page.h */
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED)
#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER)
@@ -509,4 +520,5 @@ void pgtable_cache_init(void);
#endif /* __ASSEMBLY__ */
#endif /* _PPC64_PGTABLE_H */
#endif /* CONFIG_PPC64 */
#endif /* _ASM_POWERPC_PGTABLE_H */

View File

@@ -48,8 +48,6 @@ extern void pSeries_final_fixup(void);
extern void pSeries_irq_bus_setup(struct pci_bus *bus);
extern unsigned long pci_probe_only;
extern unsigned long pci_assign_all_buses;
extern int pci_read_irq_line(struct pci_dev *pci_dev);
/* ---- EEH internal-use-only related routines ---- */
#ifdef CONFIG_EEH

View File

@@ -18,31 +18,41 @@
*
* (the type definitions are in asm/spinlock_types.h)
*/
#include <linux/config.h>
#ifdef CONFIG_PPC64
#include <asm/paca.h>
#include <asm/hvcall.h>
#include <asm/iseries/hv_call.h>
#endif
#include <asm/asm-compat.h>
#include <asm/synch.h>
#define __raw_spin_is_locked(x) ((x)->slock != 0)
#ifdef CONFIG_PPC64
/* use 0x800000yy when locked, where yy == CPU number */
#define LOCK_TOKEN (*(u32 *)(&get_paca()->lock_token))
#else
#define LOCK_TOKEN 1
#endif
/*
* This returns the old value in the lock, so we succeeded
* in getting the lock if the return value is 0.
*/
static __inline__ unsigned long __spin_trylock(raw_spinlock_t *lock)
{
unsigned long tmp, tmp2;
unsigned long tmp, token;
token = LOCK_TOKEN;
__asm__ __volatile__(
" lwz %1,%3(13) # __spin_trylock\n\
1: lwarx %0,0,%2\n\
"1: lwarx %0,0,%2 # __spin_trylock\n\
cmpwi 0,%0,0\n\
bne- 2f\n\
stwcx. %1,0,%2\n\
bne- 1b\n\
isync\n\
2:" : "=&r" (tmp), "=&r" (tmp2)
: "r" (&lock->slock), "i" (offsetof(struct paca_struct, lock_token))
2:" : "=&r" (tmp)
: "r" (token), "r" (&lock->slock)
: "cr0", "memory");
return tmp;
@@ -113,11 +123,17 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long
static __inline__ void __raw_spin_unlock(raw_spinlock_t *lock)
{
__asm__ __volatile__("lwsync # __raw_spin_unlock": : :"memory");
__asm__ __volatile__(SYNC_ON_SMP" # __raw_spin_unlock"
: : :"memory");
lock->slock = 0;
}
#ifdef CONFIG_PPC64
extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
#else
#define __raw_spin_unlock_wait(lock) \
do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
#endif
/*
* Read-write spinlocks, allowing multiple readers
@@ -133,6 +149,14 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
#define __raw_read_can_lock(rw) ((rw)->lock >= 0)
#define __raw_write_can_lock(rw) (!(rw)->lock)
#ifdef CONFIG_PPC64
#define __DO_SIGN_EXTEND "extsw %0,%0\n"
#define WRLOCK_TOKEN LOCK_TOKEN /* it's negative */
#else
#define __DO_SIGN_EXTEND
#define WRLOCK_TOKEN (-1)
#endif
/*
* This returns the old value in the lock + 1,
* so we got a read lock if the return value is > 0.
@@ -142,11 +166,12 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw)
long tmp;
__asm__ __volatile__(
"1: lwarx %0,0,%1 # read_trylock\n\
extsw %0,%0\n\
addic. %0,%0,1\n\
ble- 2f\n\
stwcx. %0,0,%1\n\
"1: lwarx %0,0,%1 # read_trylock\n"
__DO_SIGN_EXTEND
" addic. %0,%0,1\n\
ble- 2f\n"
PPC405_ERR77(0,%1)
" stwcx. %0,0,%1\n\
bne- 1b\n\
isync\n\
2:" : "=&r" (tmp)
@@ -162,18 +187,19 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw)
*/
static __inline__ long __write_trylock(raw_rwlock_t *rw)
{
long tmp, tmp2;
long tmp, token;
token = WRLOCK_TOKEN;
__asm__ __volatile__(
" lwz %1,%3(13) # write_trylock\n\
1: lwarx %0,0,%2\n\
"1: lwarx %0,0,%2 # write_trylock\n\
cmpwi 0,%0,0\n\
bne- 2f\n\
stwcx. %1,0,%2\n\
bne- 2f\n"
PPC405_ERR77(0,%1)
" stwcx. %1,0,%2\n\
bne- 1b\n\
isync\n\
2:" : "=&r" (tmp), "=&r" (tmp2)
: "r" (&rw->lock), "i" (offsetof(struct paca_struct, lock_token))
2:" : "=&r" (tmp)
: "r" (token), "r" (&rw->lock)
: "cr0", "memory");
return tmp;
@@ -224,8 +250,9 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
__asm__ __volatile__(
"eieio # read_unlock\n\
1: lwarx %0,0,%1\n\
addic %0,%0,-1\n\
stwcx. %0,0,%1\n\
addic %0,%0,-1\n"
PPC405_ERR77(0,%1)
" stwcx. %0,0,%1\n\
bne- 1b"
: "=&r"(tmp)
: "r"(&rw->lock)
@@ -234,7 +261,8 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
{
__asm__ __volatile__("lwsync # write_unlock": : :"memory");
__asm__ __volatile__(SYNC_ON_SMP" # write_unlock"
: : :"memory");
rw->lock = 0;
}

View File

@@ -545,6 +545,23 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#include <asm/mpc8260_pci9.h>
#endif
#ifdef CONFIG_NOT_COHERENT_CACHE
#define dma_cache_inv(_start,_size) \
invalidate_dcache_range(_start, (_start + _size))
#define dma_cache_wback(_start,_size) \
clean_dcache_range(_start, (_start + _size))
#define dma_cache_wback_inv(_start,_size) \
flush_dcache_range(_start, (_start + _size))
#else
#define dma_cache_inv(_start,_size) do { } while (0)
#define dma_cache_wback(_start,_size) do { } while (0)
#define dma_cache_wback_inv(_start,_size) do { } while (0)
#endif
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access

View File

@@ -1,136 +0,0 @@
/* Copyright (C) 2004 IBM
*
* Implements the generic device dma API for ppc64. Handles
* the pci and vio busses
*/
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H
#include <linux/types.h>
#include <linux/cache.h>
/* need struct page definitions */
#include <linux/mm.h>
#include <asm/scatterlist.h>
#include <asm/bug.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
extern int dma_supported(struct device *dev, u64 mask);
extern int dma_set_mask(struct device *dev, u64 dma_mask);
extern void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
extern void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_handle);
extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
size_t size, enum dma_data_direction direction);
extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction);
extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction direction);
extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
size_t size, enum dma_data_direction direction);
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nhwentries, enum dma_data_direction direction);
static inline void
dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline void
dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline void
dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline void
dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline int dma_mapping_error(dma_addr_t dma_addr)
{
return (dma_addr == DMA_ERROR_CODE);
}
/* Now for the API extensions over the pci_ one */
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_is_consistent(d) (1)
static inline int
dma_get_cache_alignment(void)
{
/* no easy way to get cache size on all processors, so return
* the maximum possible, to be safe */
return (1 << L1_CACHE_SHIFT_MAX);
}
static inline void
dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline void
dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
unsigned long offset, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
static inline void
dma_cache_sync(void *vaddr, size_t size,
enum dma_data_direction direction)
{
BUG_ON(direction == DMA_NONE);
/* nothing to do */
}
/*
* DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
*/
struct dma_mapping_ops {
void * (*alloc_coherent)(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag);
void (*free_coherent)(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle);
dma_addr_t (*map_single)(struct device *dev, void *ptr,
size_t size, enum dma_data_direction direction);
void (*unmap_single)(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction);
int (*map_sg)(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
void (*unmap_sg)(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction direction);
int (*dma_supported)(struct device *dev, u64 mask);
int (*dac_dma_supported)(struct device *dev, u64 mask);
};
#endif /* _ASM_DMA_MAPPING_H */

View File

@@ -1,26 +0,0 @@
#ifndef _PPC64_IMALLOC_H
#define _PPC64_IMALLOC_H
/*
* Define the address range of the imalloc VM area.
*/
#define PHBS_IO_BASE VMALLOC_END
#define IMALLOC_BASE (PHBS_IO_BASE + 0x80000000ul) /* Reserve 2 gigs for PHBs */
#define IMALLOC_END (VMALLOC_START + PGTABLE_RANGE)
/* imalloc region types */
#define IM_REGION_UNUSED 0x1
#define IM_REGION_SUBSET 0x2
#define IM_REGION_EXISTS 0x4
#define IM_REGION_OVERLAP 0x8
#define IM_REGION_SUPERSET 0x10
extern struct vm_struct * im_get_free_area(unsigned long size);
extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
int region_type);
extern void im_free(void *addr);
extern unsigned long ioremap_bot;
#endif /* _PPC64_IMALLOC_H */

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