diff options
-rw-r--r-- | drivers/staging/tidspbridge/hw/hw_mmu.c | 75 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/hw/hw_mmu.h | 3 |
2 files changed, 0 insertions, 78 deletions
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c index a1594504ad58..50244a474178 100644 --- a/drivers/staging/tidspbridge/hw/hw_mmu.c +++ b/drivers/staging/tidspbridge/hw/hw_mmu.c | |||
@@ -48,31 +48,6 @@ enum hw_mmu_page_size_t { | |||
48 | }; | 48 | }; |
49 | 49 | ||
50 | /* | 50 | /* |
51 | * FUNCTION : mmu_flush_entry | ||
52 | * | ||
53 | * INPUTS: | ||
54 | * | ||
55 | * Identifier : base_address | ||
56 | * Type : const u32 | ||
57 | * Description : Base Address of instance of MMU module | ||
58 | * | ||
59 | * RETURNS: | ||
60 | * | ||
61 | * Type : hw_status | ||
62 | * Description : 0 -- No errors occurred | ||
63 | * RET_BAD_NULL_PARAM -- A Pointer | ||
64 | * Parameter was set to NULL | ||
65 | * | ||
66 | * PURPOSE: : Flush the TLB entry pointed by the | ||
67 | * lock counter register | ||
68 | * even if this entry is set protected | ||
69 | * | ||
70 | * METHOD: : Check the Input parameter and Flush a | ||
71 | * single entry in the TLB. | ||
72 | */ | ||
73 | static hw_status mmu_flush_entry(const void __iomem *base_address); | ||
74 | |||
75 | /* | ||
76 | * FUNCTION : mmu_set_cam_entry | 51 | * FUNCTION : mmu_set_cam_entry |
77 | * | 52 | * |
78 | * INPUTS: | 53 | * INPUTS: |
@@ -285,44 +260,6 @@ hw_status hw_mmu_twl_disable(void __iomem *base_address) | |||
285 | return status; | 260 | return status; |
286 | } | 261 | } |
287 | 262 | ||
288 | hw_status hw_mmu_tlb_flush(const void __iomem *base_address, u32 virtual_addr, | ||
289 | u32 page_sz) | ||
290 | { | ||
291 | hw_status status = 0; | ||
292 | u32 virtual_addr_tag; | ||
293 | enum hw_mmu_page_size_t pg_size_bits; | ||
294 | |||
295 | switch (page_sz) { | ||
296 | case HW_PAGE_SIZE4KB: | ||
297 | pg_size_bits = HW_MMU_SMALL_PAGE; | ||
298 | break; | ||
299 | |||
300 | case HW_PAGE_SIZE64KB: | ||
301 | pg_size_bits = HW_MMU_LARGE_PAGE; | ||
302 | break; | ||
303 | |||
304 | case HW_PAGE_SIZE1MB: | ||
305 | pg_size_bits = HW_MMU_SECTION; | ||
306 | break; | ||
307 | |||
308 | case HW_PAGE_SIZE16MB: | ||
309 | pg_size_bits = HW_MMU_SUPERSECTION; | ||
310 | break; | ||
311 | |||
312 | default: | ||
313 | return -EINVAL; | ||
314 | } | ||
315 | |||
316 | /* Generate the 20-bit tag from virtual address */ | ||
317 | virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12); | ||
318 | |||
319 | mmu_set_cam_entry(base_address, pg_size_bits, 0, 0, virtual_addr_tag); | ||
320 | |||
321 | mmu_flush_entry(base_address); | ||
322 | |||
323 | return status; | ||
324 | } | ||
325 | |||
326 | hw_status hw_mmu_tlb_add(void __iomem *base_address, | 263 | hw_status hw_mmu_tlb_add(void __iomem *base_address, |
327 | u32 physical_addr, | 264 | u32 physical_addr, |
328 | u32 virtual_addr, | 265 | u32 virtual_addr, |
@@ -503,18 +440,6 @@ hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 virtual_addr, u32 page_size) | |||
503 | return status; | 440 | return status; |
504 | } | 441 | } |
505 | 442 | ||
506 | /* mmu_flush_entry */ | ||
507 | static hw_status mmu_flush_entry(const void __iomem *base_address) | ||
508 | { | ||
509 | hw_status status = 0; | ||
510 | u32 flush_entry_data = 0x1; | ||
511 | |||
512 | /* write values to register */ | ||
513 | MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, flush_entry_data); | ||
514 | |||
515 | return status; | ||
516 | } | ||
517 | |||
518 | /* mmu_set_cam_entry */ | 443 | /* mmu_set_cam_entry */ |
519 | static hw_status mmu_set_cam_entry(void __iomem *base_address, | 444 | static hw_status mmu_set_cam_entry(void __iomem *base_address, |
520 | const u32 page_sz, | 445 | const u32 page_sz, |
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h index 1cdd0827beba..1c50bb36edfe 100644 --- a/drivers/staging/tidspbridge/hw/hw_mmu.h +++ b/drivers/staging/tidspbridge/hw/hw_mmu.h | |||
@@ -76,9 +76,6 @@ extern hw_status hw_mmu_twl_enable(void __iomem *base_address); | |||
76 | 76 | ||
77 | extern hw_status hw_mmu_twl_disable(void __iomem *base_address); | 77 | extern hw_status hw_mmu_twl_disable(void __iomem *base_address); |
78 | 78 | ||
79 | extern hw_status hw_mmu_tlb_flush(const void __iomem *base_address, | ||
80 | u32 virtual_addr, u32 page_sz); | ||
81 | |||
82 | extern hw_status hw_mmu_tlb_add(void __iomem *base_address, | 79 | extern hw_status hw_mmu_tlb_add(void __iomem *base_address, |
83 | u32 physical_addr, | 80 | u32 physical_addr, |
84 | u32 virtual_addr, | 81 | u32 virtual_addr, |