diff options
| -rw-r--r-- | arch/v850/kernel/rte_mb_a_pci.c | 37 | ||||
| -rw-r--r-- | arch/v850/kernel/vmlinux.lds.S | 14 | ||||
| -rw-r--r-- | include/asm-v850/pci.h | 37 |
3 files changed, 76 insertions, 12 deletions
diff --git a/arch/v850/kernel/rte_mb_a_pci.c b/arch/v850/kernel/rte_mb_a_pci.c index 074b50abc89..ffbb6d073bf 100644 --- a/arch/v850/kernel/rte_mb_a_pci.c +++ b/arch/v850/kernel/rte_mb_a_pci.c @@ -1,8 +1,8 @@ /* * arch/v850/kernel/mb_a_pci.c -- PCI support for Midas lab RTE-MOTHER-A board * - * Copyright (C) 2001,02,03 NEC Electronics Corporation - * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,02,03,05 NEC Electronics Corporation + * Copyright (C) 2001,02,03,05 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this @@ -743,15 +743,17 @@ pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len,int dir) for a scatter-gather list, same rules and usage. */ void -pci_dma_sync_sg_for_cpu (struct pci_dev *dev, struct scatterlist *sg, int sg_len, - int dir) +pci_dma_sync_sg_for_cpu (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir) { BUG (); } void -pci_dma_sync_sg_for_device (struct pci_dev *dev, struct scatterlist *sg, int sg_len, - int dir) +pci_dma_sync_sg_for_device (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir) { BUG (); } @@ -786,6 +788,27 @@ pci_free_consistent (struct pci_dev *pdev, size_t size, void *cpu_addr, } +/* iomap/iomap */ + +void __iomem *pci_iomap (struct pci_dev *dev, int bar, unsigned long max) +{ + unsigned long start = pci_resource_start (dev, bar); + unsigned long len = pci_resource_len (dev, bar); + + if (!start || len == 0) + return 0; + + /* None of the ioremap functions actually do anything, other than + re-casting their argument, so don't bother differentiating them. */ + return ioremap (start, len); +} + +void pci_iounmap (struct pci_dev *dev, void __iomem *addr) +{ + /* nothing */ +} + + /* symbol exports (for modules) */ EXPORT_SYMBOL (pci_map_single); @@ -794,3 +817,5 @@ EXPORT_SYMBOL (pci_alloc_consistent); EXPORT_SYMBOL (pci_free_consistent); EXPORT_SYMBOL (pci_dma_sync_single_for_cpu); EXPORT_SYMBOL (pci_dma_sync_single_for_device); +EXPORT_SYMBOL (pci_iomap); +EXPORT_SYMBOL (pci_iounmap); diff --git a/arch/v850/kernel/vmlinux.lds.S b/arch/v850/kernel/vmlinux.lds.S index c366a8b326e..5be05f47109 100644 --- a/arch/v850/kernel/vmlinux.lds.S +++ b/arch/v850/kernel/vmlinux.lds.S @@ -12,6 +12,7 @@ */ #include <linux/config.h> + #define VMLINUX_SYMBOL(_sym_) _##_sym_ #include <asm-generic/vmlinux.lds.h> @@ -42,6 +43,19 @@ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ *(.rodata1) \ + /* PCI quirks */ \ + ___start_pci_fixups_early = . ; \ + *(.pci_fixup_early) \ + ___end_pci_fixups_early = . ; \ + ___start_pci_fixups_header = . ; \ + *(.pci_fixup_header) \ + ___end_pci_fixups_header = . ; \ + ___start_pci_fixups_final = . ; \ + *(.pci_fixup_final) \ + ___end_pci_fixups_final = . ; \ + ___start_pci_fixups_enable = . ; \ + *(.pci_fixup_enable) \ + ___end_pci_fixups_enable = . ; \ /* Kernel symbol table: Normal symbols */ \ ___start___ksymtab = .; \ *(__ksymtab) \ diff --git a/include/asm-v850/pci.h b/include/asm-v850/pci.h index 8e79be0fe99..4581826e1ca 100644 --- a/include/asm-v850/pci.h +++ b/include/asm-v850/pci.h @@ -1,8 +1,8 @@ /* * include/asm-v850/pci.h -- PCI support * - * Copyright (C) 2001,02 NEC Corporation - * Copyright (C) 2001,02 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,02,05 NEC Corporation + * Copyright (C) 2001,02,05 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this @@ -48,12 +48,12 @@ pci_unmap_single (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, perform a pci_dma_sync_for_device, and then the device again owns the buffer. */ extern void -pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, - int dir); +pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, + size_t size, int dir); extern void -pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, - int dir); +pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, + size_t size, int dir); /* Do multiple DMA mappings at once. */ @@ -65,6 +65,28 @@ extern void pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len, int dir); +/* SG-list versions of pci_dma_sync functions. */ +extern void +pci_dma_sync_sg_for_cpu (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir); +extern void +pci_dma_sync_sg_for_device (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir); + +#define pci_map_page(dev, page, offs, size, dir) \ + pci_map_single(dev, (page_address(page) + (offs)), size, dir) +#define pci_unmap_page(dev,addr,sz,dir) \ + pci_unmap_single(dev, addr, sz, dir) + +/* Test for pci_map_single or pci_map_page having generated an error. */ +static inline int +pci_dma_mapping_error (dma_addr_t dma_addr) +{ + return dma_addr == 0; +} + /* Allocate and map kernel buffer using consistent mode DMA for PCI device. Returns non-NULL cpu-view pointer to the buffer if successful and sets *DMA_ADDR to the pci side dma address as well, @@ -91,6 +113,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, } #endif +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +extern void pci_iounmap (struct pci_dev *dev, void __iomem *addr); + static inline void pcibios_add_platform_entries(struct pci_dev *dev) { } |