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ARM: 6398/1: add proc info for ARM11MPCore/Cortex-A9 from ARM

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Setting of these bits can cause issues on other SMP SoC's not produced
by ARM.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Daniel Walker 2010-09-17 16:42:10 +01:00 committed by Russell King
parent b2b163bb82
commit 14eff18126
1 changed files with 25 additions and 1 deletions
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26
arch/arm/mm/proc-v7.S
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@ -186,13 +186,14 @@ cpu_v7_name:
* It is assumed that:
* - cache type register is implemented
*/
__v7_setup:
__v7_ca9mp_setup:
#ifdef CONFIG_SMP
mrc p15, 0, r0, c1, c0, 1
tst r0, #(1 << 6) @ SMP/nAMP mode enabled?
orreq r0, r0, #(1 << 6) | (1 << 0) @ Enable SMP/nAMP mode and
mcreq p15, 0, r0, c1, c0, 1 @ TLB ops broadcasting
#endif
__v7_setup:
adr r12, __v7_setup_stack @ the local stack
stmia r12, {r0-r5, r7, r9, r11, lr}
bl v7_flush_dcache_all
@ -349,6 +350,29 @@ cpu_elf_name:
.section ".proc.info.init", #alloc, #execinstr
.type __v7_ca9mp_proc_info, #object
__v7_ca9mp_proc_info:
.long 0x410fc090 @ Required ID value
.long 0xff0ffff0 @ Mask for ID
.long PMD_TYPE_SECT | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ | \
PMD_FLAGS
.long PMD_TYPE_SECT | \
PMD_SECT_XN | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
b __v7_ca9mp_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
.long cpu_v7_name
.long v7_processor_functions
.long v7wbi_tlb_fns
.long v6_user_fns
.long v7_cache_fns
.size __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info
/*
* Match any ARMv7 processor core.
*/