diff options
Diffstat (limited to 'arch/cris')
| -rw-r--r-- | arch/cris/arch-v10/kernel/debugport.c | 22 | ||||
| -rw-r--r-- | arch/cris/arch-v10/kernel/head.S | 6 | ||||
| -rw-r--r-- | arch/cris/arch-v32/drivers/mach-a3/nandflash.c | 8 | ||||
| -rw-r--r-- | arch/cris/arch-v32/drivers/mach-fs/nandflash.c | 8 | ||||
| -rw-r--r-- | arch/cris/arch-v32/drivers/pci/dma.c | 54 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/head.S | 6 | ||||
| -rw-r--r-- | arch/cris/include/asm/dma-mapping.h | 161 | ||||
| -rw-r--r-- | arch/cris/kernel/vmlinux.lds.S | 1 |
8 files changed, 73 insertions, 193 deletions
diff --git a/arch/cris/arch-v10/kernel/debugport.c b/arch/cris/arch-v10/kernel/debugport.c index 7d307cce8bd8..b6549e54be29 100644 --- a/arch/cris/arch-v10/kernel/debugport.c +++ b/arch/cris/arch-v10/kernel/debugport.c @@ -468,7 +468,7 @@ etrax_console_device(struct console* co, int *index) #endif } -static struct console sercons = { +static struct console ser_console = { name : "ttyS", write: console_write, read : NULL, @@ -480,7 +480,7 @@ static struct console sercons = { cflag : 0, next : NULL }; -static struct console sercons0 = { +static struct console ser0_console = { name : "ttyS", write: console_write, read : NULL, @@ -493,7 +493,7 @@ static struct console sercons0 = { next : NULL }; -static struct console sercons1 = { +static struct console ser1_console = { name : "ttyS", write: console_write, read : NULL, @@ -505,7 +505,7 @@ static struct console sercons1 = { cflag : 0, next : NULL }; -static struct console sercons2 = { +static struct console ser2_console = { name : "ttyS", write: console_write, read : NULL, @@ -517,7 +517,7 @@ static struct console sercons2 = { cflag : 0, next : NULL }; -static struct console sercons3 = { +static struct console ser3_console = { name : "ttyS", write: console_write, read : NULL, @@ -539,17 +539,17 @@ init_etrax_debug(void) static int first = 1; if (!first) { - unregister_console(&sercons); - register_console(&sercons0); - register_console(&sercons1); - register_console(&sercons2); - register_console(&sercons3); + unregister_console(&ser_console); + register_console(&ser0_console); + register_console(&ser1_console); + register_console(&ser2_console); + register_console(&ser3_console); init_dummy_console(); return 0; } first = 0; - register_console(&sercons); + register_console(&ser_console); start_port(port); #ifdef CONFIG_ETRAX_KGDB start_port(kgdb_port); diff --git a/arch/cris/arch-v10/kernel/head.S b/arch/cris/arch-v10/kernel/head.S index a4877a421756..a74aa233b84e 100644 --- a/arch/cris/arch-v10/kernel/head.S +++ b/arch/cris/arch-v10/kernel/head.S @@ -5,6 +5,8 @@ * */ +#include <linux/init.h> + #define ASSEMBLER_MACROS_ONLY /* The IO_* macros use the ## token concatenation operator, so -traditional must not be used when assembling this file. */ @@ -25,7 +27,7 @@ .globl romfs_in_flash .globl swapper_pg_dir - .text + __HEAD ;; This is the entry point of the kernel. We are in supervisor mode. ;; 0x00000000 if Flash, 0x40004000 if DRAM @@ -159,7 +161,7 @@ _inflash0: ;; Put this in a suitable section where we can reclaim storage ;; after init. - .section ".init.text", "ax" + __INIT _inflash: #ifdef CONFIG_ETRAX_ETHERNET ;; Start MII clock to make sure it is running when tranceiver is reset diff --git a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c index 7fb52128ddc9..5aa3f5162310 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-a3/nandflash.c @@ -36,7 +36,6 @@ #define CE_BIT 12 struct mtd_info_wrapper { - struct mtd_info info; struct nand_chip chip; }; @@ -52,7 +51,7 @@ static void crisv32_hwcontrol(struct mtd_info *mtd, int cmd, { unsigned long flags; reg_pio_rw_dout dout; - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); local_irq_save(flags); @@ -148,10 +147,7 @@ struct mtd_info *__init crisv32_nand_flash_probe(void) /* Get pointer to private data */ this = &wrapper->chip; - crisv32_mtd = &wrapper->info; - - /* Link the private data with the MTD structure */ - crisv32_mtd->priv = this; + crisv32_mtd = nand_to_mtd(this); /* Set address of NAND IO lines */ this->IO_ADDR_R = read_cs; diff --git a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c index e03238454b0e..a7c17b0f172a 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/nandflash.c +++ b/arch/cris/arch-v32/drivers/mach-fs/nandflash.c @@ -31,7 +31,6 @@ #define BY_BIT 7 struct mtd_info_wrapper { - struct mtd_info info; struct nand_chip chip; }; @@ -51,7 +50,7 @@ static void crisv32_hwcontrol(struct mtd_info *mtd, int cmd, { unsigned long flags; reg_gio_rw_pa_dout dout; - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); local_irq_save(flags); @@ -129,7 +128,7 @@ struct mtd_info *__init crisv32_nand_flash_probe(void) /* Get pointer to private data */ this = &wrapper->chip; - crisv32_mtd = &wrapper->info; + crisv32_mtd = nand_to_mtd(this); pa_oe.oe |= 1 << CE_BIT; pa_oe.oe |= 1 << ALE_BIT; @@ -141,9 +140,6 @@ struct mtd_info *__init crisv32_nand_flash_probe(void) bif_cfg.gated_csp1 = regk_bif_core_wr; REG_WR(bif_core, regi_bif_core, rw_grp3_cfg, bif_cfg); - /* Link the private data with the MTD structure */ - crisv32_mtd->priv = this; - /* Set address of NAND IO lines */ this->IO_ADDR_R = read_cs; this->IO_ADDR_W = write_cs; diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index ee55578d9834..8d5efa58cce1 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -16,21 +16,18 @@ #include <linux/gfp.h> #include <asm/io.h> -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +static void *v32_dma_alloc(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs) { void *ret; - int order = get_order(size); + /* ignore region specifiers */ gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); - if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) - return ret; - if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff)) gfp |= GFP_DMA; - ret = (void *)__get_free_pages(gfp, order); + ret = (void *)__get_free_pages(gfp, get_order(size)); if (ret != NULL) { memset(ret, 0, size); @@ -39,12 +36,45 @@ void *dma_alloc_coherent(struct device *dev, size_t size, return ret; } -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +static void v32_dma_free(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_handle, struct dma_attrs *attrs) +{ + free_pages((unsigned long)vaddr, get_order(size)); +} + +static inline dma_addr_t v32_dma_map_page(struct device *dev, + struct page *page, unsigned long offset, size_t size, + enum dma_data_direction direction, + struct dma_attrs *attrs) { - int order = get_order(size); + return page_to_phys(page) + offset; +} - if (!dma_release_from_coherent(dev, order, vaddr)) - free_pages((unsigned long)vaddr, order); +static inline int v32_dma_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction direction, + struct dma_attrs *attrs) +{ + printk("Map sg\n"); + return nents; +} + +static inline int v32_dma_supported(struct device *dev, u64 mask) +{ + /* + * we fall back to GFP_DMA when the mask isn't all 1s, + * so we can't guarantee allocations that must be + * within a tighter range than GFP_DMA.. + */ + if (mask < 0x00ffffff) + return 0; + return 1; } +struct dma_map_ops v32_dma_ops = { + .alloc = v32_dma_alloc, + .free = v32_dma_free, + .map_page = v32_dma_map_page, + .map_sg = v32_dma_map_sg, + .dma_supported = v32_dma_supported, +}; +EXPORT_SYMBOL(v32_dma_ops); diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S index ea6366800df7..5ce83eb54f58 100644 --- a/arch/cris/arch-v32/kernel/head.S +++ b/arch/cris/arch-v32/kernel/head.S @@ -4,6 +4,8 @@ * Copyright (C) 2003, Axis Communications AB */ +#include <linux/init.h> + #define ASSEMBLER_MACROS_ONLY /* @@ -36,7 +38,7 @@ .global nand_boot .global swapper_pg_dir - .text + __HEAD tstart: ;; This is the entry point of the kernel. The CPU is currently in ;; supervisor mode. @@ -177,7 +179,7 @@ _inflash0: ;; Put the following in a section so that storage for it can be ;; reclaimed after init is finished. - .section ".init.text", "ax" + __INIT _inflash: diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h index 57f794ee6039..5a370178a0e9 100644 --- a/arch/cris/include/asm/dma-mapping.h +++ b/arch/cris/include/asm/dma-mapping.h @@ -1,156 +1,20 @@ -/* DMA mapping. Nothing tricky here, just virt_to_phys */ - #ifndef _ASM_CRIS_DMA_MAPPING_H #define _ASM_CRIS_DMA_MAPPING_H -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/scatterlist.h> - -#include <asm/cache.h> -#include <asm/io.h> - -#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_PCI -#include <asm-generic/dma-coherent.h> - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag); +extern struct dma_map_ops v32_dma_ops; -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); -#else -static inline void * -dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t flag) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - BUG(); - return NULL; + return &v32_dma_ops; } - -static inline void -dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_handle) +#else +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - BUG(); + BUG(); + return NULL; } #endif -static inline dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - return virt_to_phys(ptr); -} - -static inline void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -static inline int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction) -{ - printk("Map sg\n"); - return nents; -} - -static inline dma_addr_t -dma_map_page(struct device *dev, struct page *page, unsigned long offset, - size_t size, enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - return page_to_phys(page) + offset; -} - -static inline void -dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - - -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -static inline void -dma_sync_single_for_cpu(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) -{ -} - -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_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_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ -} - -static inline void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ -} - -static inline int -dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -static inline int -dma_supported(struct device *dev, u64 mask) -{ - /* - * we fall back to GFP_DMA when the mask isn't all 1s, - * so we can't guarantee allocations that must be - * within a tighter range than GFP_DMA.. - */ - if(mask < 0x00ffffff) - return 0; - - return 1; -} - -static inline int -dma_set_mask(struct device *dev, u64 mask) -{ - if(!dev->dma_mask || !dma_supported(dev, mask)) - return -EIO; - - *dev->dma_mask = mask; - - return 0; -} static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, @@ -158,15 +22,4 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, { } -/* drivers/base/dma-mapping.c */ -extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size); -extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size); - -#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) -#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) - - #endif diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S index a68b983dcea1..7552c2557506 100644 --- a/arch/cris/kernel/vmlinux.lds.S +++ b/arch/cris/kernel/vmlinux.lds.S @@ -40,6 +40,7 @@ SECTIONS _stext = .; __stext = .; .text : { + HEAD_TEXT TEXT_TEXT SCHED_TEXT LOCK_TEXT |