diff options
Diffstat (limited to 'include/asm-avr32')
| -rw-r--r-- | include/asm-avr32/arch-at32ap/board.h | 10 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/init.h | 4 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/pm.h | 3 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/sram.h | 30 | ||||
| -rw-r--r-- | include/asm-avr32/mmu_context.h | 1 | ||||
| -rw-r--r-- | include/asm-avr32/pci.h | 2 | ||||
| -rw-r--r-- | include/asm-avr32/pgalloc.h | 68 | ||||
| -rw-r--r-- | include/asm-avr32/pgtable.h | 34 | ||||
| -rw-r--r-- | include/asm-avr32/thread_info.h | 1 | ||||
| -rw-r--r-- | include/asm-avr32/tlbflush.h | 1 |
10 files changed, 102 insertions, 52 deletions
diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h index a4e2d28bfb5..b4cddfaca90 100644 --- a/include/asm-avr32/arch-at32ap/board.h +++ b/include/asm-avr32/arch-at32ap/board.h @@ -8,6 +8,12 @@ #define GPIO_PIN_NONE (-1) +/* + * Clock rates for various on-board oscillators. The number of entries + * in this array is chip-dependent. + */ +extern unsigned long at32_board_osc_rates[]; + /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */ void at32_add_system_devices(void); @@ -36,7 +42,8 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); struct atmel_lcdfb_info; struct platform_device * at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, - unsigned long fbmem_start, unsigned long fbmem_len); + unsigned long fbmem_start, unsigned long fbmem_len, + unsigned int pin_config); struct usba_platform_data; struct platform_device * @@ -73,6 +80,7 @@ struct platform_device *at32_add_device_twi(unsigned int id, struct platform_device *at32_add_device_mci(unsigned int id); struct platform_device *at32_add_device_ac97c(unsigned int id); struct platform_device *at32_add_device_abdac(unsigned int id); +struct platform_device *at32_add_device_psif(unsigned int id); struct cf_platform_data { int detect_pin; diff --git a/include/asm-avr32/arch-at32ap/init.h b/include/asm-avr32/arch-at32ap/init.h index 5e75d850d70..bc40e3d4615 100644 --- a/include/asm-avr32/arch-at32ap/init.h +++ b/include/asm-avr32/arch-at32ap/init.h @@ -13,10 +13,6 @@ void setup_platform(void); void setup_board(void); -/* Called by setup_platform */ -void at32_clock_init(void); -void at32_portmux_init(void); - void at32_setup_serial_console(unsigned int usart_id); #endif /* __ASM_AVR32_AT32AP_INIT_H__ */ diff --git a/include/asm-avr32/arch-at32ap/pm.h b/include/asm-avr32/arch-at32ap/pm.h index 356e4306490..979b355b77b 100644 --- a/include/asm-avr32/arch-at32ap/pm.h +++ b/include/asm-avr32/arch-at32ap/pm.h @@ -19,6 +19,7 @@ #ifndef __ASSEMBLY__ extern void cpu_enter_idle(void); +extern void cpu_enter_standby(unsigned long sdramc_base); extern bool disable_idle_sleep; @@ -43,6 +44,8 @@ static inline void cpu_idle_sleep(void) else cpu_enter_idle(); } + +void intc_set_suspend_handler(unsigned long offset); #endif #endif /* __ASM_AVR32_ARCH_PM_H */ diff --git a/include/asm-avr32/arch-at32ap/sram.h b/include/asm-avr32/arch-at32ap/sram.h new file mode 100644 index 00000000000..4838dae7601 --- /dev/null +++ b/include/asm-avr32/arch-at32ap/sram.h @@ -0,0 +1,30 @@ +/* + * Simple SRAM allocator + * + * Copyright (C) 2008 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_AVR32_ARCH_SRAM_H +#define __ASM_AVR32_ARCH_SRAM_H + +#include <linux/genalloc.h> + +extern struct gen_pool *sram_pool; + +static inline unsigned long sram_alloc(size_t len) +{ + if (!sram_pool) + return 0UL; + + return gen_pool_alloc(sram_pool, len); +} + +static inline void sram_free(unsigned long addr, size_t len) +{ + return gen_pool_free(sram_pool, addr, len); +} + +#endif /* __ASM_AVR32_ARCH_SRAM_H */ diff --git a/include/asm-avr32/mmu_context.h b/include/asm-avr32/mmu_context.h index c37c391faef..27ff2340710 100644 --- a/include/asm-avr32/mmu_context.h +++ b/include/asm-avr32/mmu_context.h @@ -13,7 +13,6 @@ #define __ASM_AVR32_MMU_CONTEXT_H #include <asm/tlbflush.h> -#include <asm/pgalloc.h> #include <asm/sysreg.h> #include <asm-generic/mm_hooks.h> diff --git a/include/asm-avr32/pci.h b/include/asm-avr32/pci.h index 0f5f134b896..a32a0237201 100644 --- a/include/asm-avr32/pci.h +++ b/include/asm-avr32/pci.h @@ -5,4 +5,6 @@ #define PCI_DMA_BUS_IS_PHYS (1) +#include <asm-generic/pci-dma-compat.h> + #endif /* __ASM_AVR32_PCI_H__ */ diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h index 51fc1f6e4b1..64082132394 100644 --- a/include/asm-avr32/pgalloc.h +++ b/include/asm-avr32/pgalloc.h @@ -8,65 +8,79 @@ #ifndef __ASM_AVR32_PGALLOC_H #define __ASM_AVR32_PGALLOC_H -#include <asm/processor.h> -#include <linux/threads.h> -#include <linux/slab.h> -#include <linux/mm.h> +#include <linux/quicklist.h> +#include <asm/page.h> +#include <asm/pgtable.h> -#define pmd_populate_kernel(mm, pmd, pte) \ - set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) +#define QUICK_PGD 0 /* Preserve kernel mappings over free */ +#define QUICK_PT 1 /* Zero on free */ -static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, +static inline void pmd_populate_kernel(struct mm_struct *mm, + pmd_t *pmd, pte_t *pte) +{ + set_pmd(pmd, __pmd((unsigned long)pte)); +} + +static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) { - set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); + set_pmd(pmd, __pmd((unsigned long)page_address(pte))); } #define pmd_pgtable(pmd) pmd_page(pmd) +static inline void pgd_ctor(void *x) +{ + pgd_t *pgd = x; + + memcpy(pgd + USER_PTRS_PER_PGD, + swapper_pg_dir + USER_PTRS_PER_PGD, + (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); +} + /* * Allocate and free page tables */ -static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) +static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL); + return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - kfree(pgd); + quicklist_free(QUICK_PGD, NULL, pgd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - pte_t *pte; - - pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT); - - return pte; + return quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL); } -static inline struct page *pte_alloc_one(struct mm_struct *mm, +static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { - struct page *pte; + struct page *page; + void *pg; - pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); - if (!pte) + pg = quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL); + if (!pg) return NULL; - pgtable_page_ctor(pte); - return pte; + + page = virt_to_page(pg); + pgtable_page_ctor(page); + + return page; } static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { - free_page((unsigned long)pte); + quicklist_free(QUICK_PT, NULL, pte); } static inline void pte_free(struct mm_struct *mm, pgtable_t pte) { pgtable_page_dtor(pte); - __free_page(pte); + quicklist_free_page(QUICK_PT, NULL, pte); } #define __pte_free_tlb(tlb,pte) \ @@ -75,6 +89,10 @@ do { \ tlb_remove_page((tlb), pte); \ } while (0) -#define check_pgt_cache() do { } while(0) +static inline void check_pgt_cache(void) +{ + quicklist_trim(QUICK_PGD, NULL, 25, 16); + quicklist_trim(QUICK_PT, NULL, 25, 16); +} #endif /* __ASM_AVR32_PGALLOC_H */ diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h index c0e5e29417d..fecdda16f44 100644 --- a/include/asm-avr32/pgtable.h +++ b/include/asm-avr32/pgtable.h @@ -129,13 +129,6 @@ extern struct page *empty_zero_page; #define _PAGE_FLAGS_CACHE_MASK (_PAGE_CACHABLE | _PAGE_BUFFER | _PAGE_WT) -/* TODO: Check for saneness */ -/* User-mode page table flags (to be set in a pgd or pmd entry) */ -#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_TYPE_SMALL | _PAGE_RW \ - | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) -/* Kernel-mode page table flags */ -#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_TYPE_SMALL | _PAGE_RW \ - | _PAGE_ACCESSED | _PAGE_DIRTY) /* Flags that may be modified by software */ #define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY \ | _PAGE_FLAGS_CACHE_MASK) @@ -262,10 +255,14 @@ static inline pte_t pte_mkspecial(pte_t pte) } #define pmd_none(x) (!pmd_val(x)) -#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) -#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) -#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) \ - != _KERNPG_TABLE) +#define pmd_present(x) (pmd_val(x)) + +static inline void pmd_clear(pmd_t *pmdp) +{ + set_pmd(pmdp, __pmd(0)); +} + +#define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK) /* * Permanent address of a page. We don't support highmem, so this is @@ -303,19 +300,16 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define page_pte(page) page_pte_prot(page, __pgprot(0)) -#define pmd_page_vaddr(pmd) \ - ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) - -#define pmd_page(pmd) (phys_to_page(pmd_val(pmd))) +#define pmd_page_vaddr(pmd) pmd_val(pmd) +#define pmd_page(pmd) (virt_to_page(pmd_val(pmd))) /* to find an entry in a page-table-directory. */ -#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) -#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) -#define pgd_offset_current(address) \ - ((pgd_t *)__mfsr(SYSREG_PTBR) + pgd_index(address)) +#define pgd_index(address) (((address) >> PGDIR_SHIFT) \ + & (PTRS_PER_PGD - 1)) +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) /* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) +#define pgd_offset_k(address) pgd_offset(&init_mm, address) /* Find an entry in the third-level page table.. */ #define pte_index(address) \ diff --git a/include/asm-avr32/thread_info.h b/include/asm-avr32/thread_info.h index 07049f6c0d4..df68631b7b2 100644 --- a/include/asm-avr32/thread_info.h +++ b/include/asm-avr32/thread_info.h @@ -88,6 +88,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 6 #define TIF_RESTORE_SIGMASK 7 /* restore signal mask in do_signal */ #define TIF_CPU_GOING_TO_SLEEP 8 /* CPU is entering sleep 0 mode */ +#define TIF_FREEZE 29 #define TIF_DEBUG 30 /* debugging enabled */ #define TIF_USERSPACE 31 /* true if FS sets userspace */ diff --git a/include/asm-avr32/tlbflush.h b/include/asm-avr32/tlbflush.h index 5bc7c88a577..bf90a786f6b 100644 --- a/include/asm-avr32/tlbflush.h +++ b/include/asm-avr32/tlbflush.h @@ -26,7 +26,6 @@ extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page); -extern void __flush_tlb_page(unsigned long asid, unsigned long page); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); |