Merge branch 'orion-fixes2'
This commit is contained in:
Russell King
Russell King
commit
9d87dd97ff
|
|
@ -372,7 +372,7 @@ config CPU_FEROCEON
|
|||
select CPU_PABRT_NOIFAR
|
||||
select CPU_CACHE_VIVT
|
||||
select CPU_CP15_MMU
|
||||
select CPU_COPY_V4WB if MMU
|
||||
select CPU_COPY_FEROCEON if MMU
|
||||
select CPU_TLB_V4WBI if MMU
|
||||
|
||||
config CPU_FEROCEON_OLD_ID
|
||||
|
|
@ -523,6 +523,9 @@ config CPU_COPY_V4WT
|
|||
config CPU_COPY_V4WB
|
||||
bool
|
||||
|
||||
config CPU_COPY_FEROCEON
|
||||
bool
|
||||
|
||||
config CPU_COPY_V6
|
||||
bool
|
||||
|
||||
|
|
|
|||
|
|
@ -36,6 +36,7 @@ obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o
|
|||
obj-$(CONFIG_CPU_COPY_V3) += copypage-v3.o
|
||||
obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o
|
||||
obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o
|
||||
obj-$(CONFIG_CPU_COPY_FEROCEON) += copypage-feroceon.o
|
||||
obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o context.o
|
||||
obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o
|
||||
obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o
|
||||
|
|
|
|||
|
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
* linux/arch/arm/lib/copypage-feroceon.S
|
||||
*
|
||||
* Copyright (C) 2008 Marvell Semiconductors
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* This handles copy_user_page and clear_user_page on Feroceon
|
||||
* more optimally than the generic implementations.
|
||||
*/
|
||||
#include <linux/linkage.h>
|
||||
#include <linux/init.h>
|
||||
#include <asm/asm-offsets.h>
|
||||
|
||||
.text
|
||||
.align 5
|
||||
|
||||
ENTRY(feroceon_copy_user_page)
|
||||
stmfd sp!, {r4-r9, lr}
|
||||
mov ip, #PAGE_SZ
|
||||
1: mov lr, r1
|
||||
ldmia r1!, {r2 - r9}
|
||||
pld [lr, #32]
|
||||
pld [lr, #64]
|
||||
pld [lr, #96]
|
||||
pld [lr, #128]
|
||||
pld [lr, #160]
|
||||
pld [lr, #192]
|
||||
pld [lr, #224]
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
ldmia r1!, {r2 - r9}
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
stmia r0, {r2 - r9}
|
||||
subs ip, ip, #(32 * 8)
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
bne 1b
|
||||
mcr p15, 0, ip, c7, c10, 4 @ drain WB
|
||||
ldmfd sp!, {r4-r9, pc}
|
||||
|
||||
.align 5
|
||||
|
||||
ENTRY(feroceon_clear_user_page)
|
||||
stmfd sp!, {r4-r7, lr}
|
||||
mov r1, #PAGE_SZ/32
|
||||
mov r2, #0
|
||||
mov r3, #0
|
||||
mov r4, #0
|
||||
mov r5, #0
|
||||
mov r6, #0
|
||||
mov r7, #0
|
||||
mov ip, #0
|
||||
mov lr, #0
|
||||
1: stmia r0, {r2-r7, ip, lr}
|
||||
subs r1, r1, #1
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean and invalidate D line
|
||||
add r0, r0, #32
|
||||
bne 1b
|
||||
mcr p15, 0, r1, c7, c10, 4 @ drain WB
|
||||
ldmfd sp!, {r4-r7, pc}
|
||||
|
||||
__INITDATA
|
||||
|
||||
.type feroceon_user_fns, #object
|
||||
ENTRY(feroceon_user_fns)
|
||||
.long feroceon_clear_user_page
|
||||
.long feroceon_copy_user_page
|
||||
.size feroceon_user_fns, . - feroceon_user_fns
|
||||
|
|
@ -93,7 +93,7 @@ ENTRY(cpu_feroceon_reset)
|
|||
*
|
||||
* Called with IRQs disabled
|
||||
*/
|
||||
.align 10
|
||||
.align 5
|
||||
ENTRY(cpu_feroceon_do_idle)
|
||||
mov r0, #0
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain write buffer
|
||||
|
|
@ -106,6 +106,7 @@ ENTRY(cpu_feroceon_do_idle)
|
|||
* Clean and invalidate all cache entries in a particular
|
||||
* address space.
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_flush_user_cache_all)
|
||||
/* FALLTHROUGH */
|
||||
|
||||
|
|
@ -135,6 +136,7 @@ __flush_whole_cache:
|
|||
* - end - end address (exclusive)
|
||||
* - flags - vm_flags describing address space
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_flush_user_cache_range)
|
||||
mov ip, #0
|
||||
sub r3, r1, r0 @ calculate total size
|
||||
|
|
@ -163,6 +165,7 @@ ENTRY(feroceon_flush_user_cache_range)
|
|||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_coherent_kern_range)
|
||||
/* FALLTHROUGH */
|
||||
|
||||
|
|
@ -194,6 +197,7 @@ ENTRY(feroceon_coherent_user_range)
|
|||
*
|
||||
* - addr - page aligned address
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_flush_kern_dcache_page)
|
||||
add r1, r0, #PAGE_SZ
|
||||
1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry
|
||||
|
|
@ -218,6 +222,7 @@ ENTRY(feroceon_flush_kern_dcache_page)
|
|||
*
|
||||
* (same as v4wb)
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_dma_inv_range)
|
||||
tst r0, #CACHE_DLINESIZE - 1
|
||||
mcrne p15, 0, r0, c7, c10, 1 @ clean D entry
|
||||
|
|
@ -241,6 +246,7 @@ ENTRY(feroceon_dma_inv_range)
|
|||
*
|
||||
* (same as v4wb)
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_dma_clean_range)
|
||||
bic r0, r0, #CACHE_DLINESIZE - 1
|
||||
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
|
||||
|
|
@ -258,10 +264,10 @@ ENTRY(feroceon_dma_clean_range)
|
|||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(feroceon_dma_flush_range)
|
||||
bic r0, r0, #CACHE_DLINESIZE - 1
|
||||
1:
|
||||
mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry
|
||||
1: mcr p15, 0, r0, c7, c14, 1 @ clean+invalidate D entry
|
||||
add r0, r0, #CACHE_DLINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
|
|
@ -279,6 +285,7 @@ ENTRY(feroceon_cache_fns)
|
|||
.long feroceon_dma_clean_range
|
||||
.long feroceon_dma_flush_range
|
||||
|
||||
.align 5
|
||||
ENTRY(cpu_feroceon_dcache_clean_area)
|
||||
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
|
||||
add r0, r0, #CACHE_DLINESIZE
|
||||
|
|
@ -433,7 +440,7 @@ __feroceon_old_id_proc_info:
|
|||
.long cpu_feroceon_name
|
||||
.long feroceon_processor_functions
|
||||
.long v4wbi_tlb_fns
|
||||
.long v4wb_user_fns
|
||||
.long feroceon_user_fns
|
||||
.long feroceon_cache_fns
|
||||
.size __feroceon_old_id_proc_info, . - __feroceon_old_id_proc_info
|
||||
#endif
|
||||
|
|
@ -459,6 +466,6 @@ __feroceon_proc_info:
|
|||
.long cpu_feroceon_name
|
||||
.long feroceon_processor_functions
|
||||
.long v4wbi_tlb_fns
|
||||
.long v4wb_user_fns
|
||||
.long feroceon_user_fns
|
||||
.long feroceon_cache_fns
|
||||
.size __feroceon_proc_info, . - __feroceon_proc_info
|
||||
|
|
|
|||
|
|
@ -71,6 +71,14 @@
|
|||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_CPU_COPY_FEROCEON
|
||||
# ifdef _USER
|
||||
# define MULTI_USER 1
|
||||
# else
|
||||
# define _USER feroceon
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_CPU_SA1100
|
||||
# ifdef _USER
|
||||
# define MULTI_USER 1
|
||||
|
|
|
|||
Loading…
Reference in New Issue