From 4574fae58d840d78e44ae33236899f92bfb6b4a9 Mon Sep 17 00:00:00 2001 From: Felipe Contreras Date: Sun, 4 Jul 2010 16:34:31 +0300 Subject: [PATCH 275/524] staging: ti dspbridge: mmu: add hw_mmu_tlb_flush_all() So that it can be used in more than one place. Signed-off-by: Felipe Contreras Signed-off-by: Greg Kroah-Hartman --- drivers/staging/tidspbridge/core/tiomap3430.c | 9 +-------- drivers/staging/tidspbridge/hw/hw_mmu.c | 6 ++++++ drivers/staging/tidspbridge/hw/hw_mmu.h | 2 ++ 3 files changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index d1fa560..1000c04 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -73,8 +73,6 @@ #define PAGES_II_LVL_TABLE 512 #define PHYS_TO_PAGE(phys) pfn_to_page((phys) >> PAGE_SHIFT) -#define MMU_GFLUSH 0x60 - /* Forward Declarations: */ static int bridge_brd_monitor(struct bridge_dev_context *dev_context); static int bridge_brd_read(struct bridge_dev_context *dev_context, @@ -218,18 +216,13 @@ static struct bridge_drv_interface drv_interface_fxns = { bridge_msg_set_queue_id, }; -static inline void tlb_flush_all(const void __iomem *base) -{ - __raw_writeb(__raw_readb(base + MMU_GFLUSH) | 1, base + MMU_GFLUSH); -} - static inline void flush_all(struct bridge_dev_context *dev_context) { if (dev_context->dw_brd_state == BRD_DSP_HIBERNATION || dev_context->dw_brd_state == BRD_HIBERNATION) wake_dsp(dev_context, NULL); - tlb_flush_all(dev_context->dw_dsp_mmu_base); + hw_mmu_tlb_flush_all(dev_context->dw_dsp_mmu_base); } static void bad_page_dump(u32 pa, struct page *pg) diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c index 965b659..e593358 100644 --- a/drivers/staging/tidspbridge/hw/hw_mmu.c +++ b/drivers/staging/tidspbridge/hw/hw_mmu.c @@ -35,6 +35,7 @@ #define MMU_SMALL_PAGE_MASK 0xFFFFF000 #define MMU_LOAD_TLB 0x00000001 +#define MMU_GFLUSH 0x60 /* * hw_mmu_page_size_t: Enumerated Type used to specify the MMU Page Size(SLSS) @@ -585,3 +586,8 @@ static hw_status mmu_set_ram_entry(const void __iomem *baseAddress, return status; } + +void hw_mmu_tlb_flush_all(const void __iomem *base) +{ + __raw_writeb(1, base + MMU_GFLUSH); +} diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h index 9b13468..0436974 100644 --- a/drivers/staging/tidspbridge/hw/hw_mmu.h +++ b/drivers/staging/tidspbridge/hw/hw_mmu.h @@ -97,6 +97,8 @@ extern hw_status hw_mmu_pte_set(const u32 pg_tbl_va, extern hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 page_size, u32 virtualAddr); +void hw_mmu_tlb_flush_all(const void __iomem *base); + static inline u32 hw_mmu_pte_addr_l1(u32 L1_base, u32 va) { u32 pte_addr; -- 1.7.1