diff options
Diffstat (limited to 'arch/mips/mm')
-rw-r--r-- | arch/mips/mm/c-r3k.c | 2 | ||||
-rw-r--r-- | arch/mips/mm/cache.c | 16 | ||||
-rw-r--r-- | arch/mips/mm/cerr-sb1.c | 9 | ||||
-rw-r--r-- | arch/mips/mm/dma-default.c | 17 | ||||
-rw-r--r-- | arch/mips/mm/fault.c | 6 | ||||
-rw-r--r-- | arch/mips/mm/init.c | 6 | ||||
-rw-r--r-- | arch/mips/mm/pg-sb1.c | 3 |
7 files changed, 40 insertions, 19 deletions
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index d1af42c..59868a1 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -260,7 +260,7 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma, unsigned long page, { } -static void local_r3k_flush_data_cache_page(unsigned long addr) +static void local_r3k_flush_data_cache_page(void *addr) { } diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 31819c5..4e8f1b6 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -3,7 +3,8 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1994 - 2003 by Ralf Baechle + * Copyright (C) 1994 - 2003, 07 by Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2007 MIPS Technologies, Inc. */ #include <linux/init.h> #include <linux/kernel.h> @@ -88,6 +89,19 @@ void __flush_dcache_page(struct page *page) EXPORT_SYMBOL(__flush_dcache_page); +void __flush_anon_page(struct page *page, unsigned long vmaddr) +{ + if (pages_do_alias((unsigned long)page_address(page), vmaddr)) { + void *kaddr; + + kaddr = kmap_coherent(page, vmaddr); + flush_data_cache_page((unsigned long)kaddr); + kunmap_coherent(kaddr); + } +} + +EXPORT_SYMBOL(__flush_anon_page); + void __update_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) { diff --git a/arch/mips/mm/cerr-sb1.c b/arch/mips/mm/cerr-sb1.c index 11a9166..4c72e65 100644 --- a/arch/mips/mm/cerr-sb1.c +++ b/arch/mips/mm/cerr-sb1.c @@ -177,8 +177,8 @@ extern void check_bus_watcher(void); asmlinkage void sb1_cache_error(void) { - uint64_t cerr_dpa; uint32_t errctl, cerr_i, cerr_d, dpalo, dpahi, eepc, res; + unsigned long long cerr_dpa; #ifdef CONFIG_SIBYTE_BW_TRACE /* Freeze the trace buffer now */ @@ -329,8 +329,9 @@ static uint32_t extract_ic(unsigned short addr, int data) { unsigned short way; int valid; - uint64_t taglo, va, tlo_tmp; uint32_t taghi, taglolo, taglohi; + unsigned long long taglo, va; + uint64_t tlo_tmp; uint8_t lru; int res = 0; @@ -484,8 +485,8 @@ static uint32_t extract_dc(unsigned short addr, int data) { int valid, way; unsigned char state; - uint64_t taglo, pa; uint32_t taghi, taglolo, taglohi; + unsigned long long taglo, pa; uint8_t ecc, lru; int res = 0; @@ -535,8 +536,8 @@ static uint32_t extract_dc(unsigned short addr, int data) } if (data) { - uint64_t datalo; uint32_t datalohi, datalolo, datahi; + unsigned long long datalo; int offset; char bad_ecc = 0; diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index f503d02..f0eb299 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -19,6 +19,13 @@ #include <dma-coherence.h> +static inline unsigned long dma_addr_to_virt(dma_addr_t dma_addr) +{ + unsigned long addr = plat_dma_addr_to_phys(dma_addr); + + return (unsigned long)phys_to_virt(addr); +} + /* * Warning on the terminology - Linux calls an uncached area coherent; * MIPS terminology calls memory areas with hardware maintained coherency @@ -140,7 +147,7 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) { if (cpu_is_noncoherent_r10000(dev)) - __dma_sync(plat_dma_addr_to_phys(dma_addr) + PAGE_OFFSET, size, + __dma_sync(dma_addr_to_virt(dma_addr), size, direction); plat_unmap_dma_mem(dma_addr); @@ -234,7 +241,7 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, if (cpu_is_noncoherent_r10000(dev)) { unsigned long addr; - addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); + addr = dma_addr_to_virt(dma_handle); __dma_sync(addr, size, direction); } } @@ -249,7 +256,7 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, if (!plat_device_is_coherent(dev)) { unsigned long addr; - addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); + addr = dma_addr_to_virt(dma_handle); __dma_sync(addr, size, direction); } } @@ -264,7 +271,7 @@ void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, if (cpu_is_noncoherent_r10000(dev)) { unsigned long addr; - addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); + addr = dma_addr_to_virt(dma_handle); __dma_sync(addr + offset, size, direction); } } @@ -279,7 +286,7 @@ void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, if (!plat_device_is_coherent(dev)) { unsigned long addr; - addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle); + addr = dma_addr_to_virt(dma_handle); __dma_sync(addr + offset, size, direction); } } diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 6f90e7e..f9c595d 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -42,7 +42,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write, siginfo_t info; #if 0 - printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", smp_processor_id(), + printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", raw_smp_processor_id(), current->comm, current->pid, field, address, write, field, regs->cp0_epc); #endif @@ -165,7 +165,7 @@ no_context: printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at " "virtual address %0*lx, epc == %0*lx, ra == %0*lx\n", - smp_processor_id(), field, address, field, regs->cp0_epc, + raw_smp_processor_id(), field, address, field, regs->cp0_epc, field, regs->regs[31]); die("Oops", regs); @@ -228,7 +228,7 @@ vmalloc_fault: pmd_t *pmd, *pmd_k; pte_t *pte_k; - pgd = (pgd_t *) pgd_current[smp_processor_id()] + offset; + pgd = (pgd_t *) pgd_current[raw_smp_processor_id()] + offset; pgd_k = init_mm.pgd + offset; if (!pgd_present(*pgd_k)) diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index f08ae71c..e9951c0e 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -123,7 +123,7 @@ static void __init kmap_coherent_init(void) static inline void kmap_coherent_init(void) {} #endif -static inline void *kmap_coherent(struct page *page, unsigned long addr) +void *kmap_coherent(struct page *page, unsigned long addr) { enum fixed_addresses idx; unsigned long vaddr, flags, entrylo; @@ -177,7 +177,7 @@ static inline void *kmap_coherent(struct page *page, unsigned long addr) #define UNIQUE_ENTRYHI(idx) (CKSEG0 + ((idx) << (PAGE_SHIFT + 1))) -static inline void kunmap_coherent(struct page *page) +void kunmap_coherent(struct page *page) { #ifndef CONFIG_MIPS_MT_SMTC unsigned int wired; @@ -377,7 +377,7 @@ void __init paging_init(void) #ifdef CONFIG_FLATMEM free_area_init(zones_size); #else - pfn = 0; + pfn = min_low_pfn; for (i = 0; i < MAX_NR_ZONES; i++) for (j = 0; j < zones_size[i]; j++, pfn++) if (!page_is_ram(pfn)) diff --git a/arch/mips/mm/pg-sb1.c b/arch/mips/mm/pg-sb1.c index fc3c787..adb37d0 100644 --- a/arch/mips/mm/pg-sb1.c +++ b/arch/mips/mm/pg-sb1.c @@ -218,8 +218,7 @@ void sb1_dma_init(void) for (i = 0; i < DM_NUM_CHANNELS; i++) { const u64 base_val = CPHYSADDR(&page_descr[i]) | V_DM_DSCR_BASE_RINGSZ(1); - volatile void *base_reg = - IOADDR(A_DM_REGISTER(i, R_DM_DSCR_BASE)); + void *base_reg = IOADDR(A_DM_REGISTER(i, R_DM_DSCR_BASE)); __raw_writeq(base_val, base_reg); __raw_writeq(base_val | M_DM_DSCR_BASE_RESET, base_reg); |