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Diffstat (limited to 'arch/arm/mm/proc-v7.S')
-rw-r--r--arch/arm/mm/proc-v7.S34
1 files changed, 31 insertions, 3 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 4c8c9c10a38..e35fec34453 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -140,6 +140,29 @@ ENTRY(cpu_v7_do_resume)
ENDPROC(cpu_v7_do_resume)
#endif
+#ifdef CONFIG_CPU_PJ4B
+ globl_equ cpu_pj4b_switch_mm, cpu_v7_switch_mm
+ globl_equ cpu_pj4b_set_pte_ext, cpu_v7_set_pte_ext
+ globl_equ cpu_pj4b_proc_init, cpu_v7_proc_init
+ globl_equ cpu_pj4b_proc_fin, cpu_v7_proc_fin
+ globl_equ cpu_pj4b_reset, cpu_v7_reset
+#ifdef CONFIG_PJ4B_ERRATA_4742
+ENTRY(cpu_pj4b_do_idle)
+ dsb @ WFI may enter a low-power mode
+ wfi
+ dsb @barrier
+ mov pc, lr
+ENDPROC(cpu_pj4b_do_idle)
+#else
+ globl_equ cpu_pj4b_do_idle, cpu_v7_do_idle
+#endif
+ globl_equ cpu_pj4b_dcache_clean_area, cpu_v7_dcache_clean_area
+ globl_equ cpu_pj4b_do_suspend, cpu_v7_do_suspend
+ globl_equ cpu_pj4b_do_resume, cpu_v7_do_resume
+ globl_equ cpu_pj4b_suspend_size, cpu_v7_suspend_size
+
+#endif
+
__CPUINIT
/*
@@ -350,6 +373,9 @@ __v7_setup_stack:
@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
+#ifdef CONFIG_CPU_PJ4B
+ define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
+#endif
.section ".rodata"
@@ -362,7 +388,7 @@ __v7_setup_stack:
/*
* Standard v7 proc info content
*/
-.macro __v7_proc initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0
+.macro __v7_proc initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions
ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags)
ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
@@ -375,7 +401,7 @@ __v7_setup_stack:
.long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
HWCAP_EDSP | HWCAP_TLS | \hwcaps
.long cpu_v7_name
- .long v7_processor_functions
+ .long \proc_fns
.long v7wbi_tlb_fns
.long v6_user_fns
.long v7_cache_fns
@@ -407,12 +433,14 @@ __v7_ca9mp_proc_info:
/*
* Marvell PJ4B processor.
*/
+#ifdef CONFIG_CPU_PJ4B
.type __v7_pj4b_proc_info, #object
__v7_pj4b_proc_info:
.long 0x560f5800
.long 0xff0fff00
- __v7_proc __v7_pj4b_setup
+ __v7_proc __v7_pj4b_setup, proc_fns = pj4b_processor_functions
.size __v7_pj4b_proc_info, . - __v7_pj4b_proc_info
+#endif
/*
* ARM Ltd. Cortex A7 processor.