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| author | Daniel Walker <dwalker@fifo99.com> | 2010-09-17 16:42:10 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-17 16:44:24 +0100 |
| commit | 14eff1812679c76564b775aa95cdd378965f6cfb (patch) | |
| tree | af574c59bddc14386830a7e93d63a8a7c29a4904 | |
| parent | b2b163bb82b12bae2504a5b31399c37d099ad3cc (diff) | |
| download | linux-stable-14eff1812679c76564b775aa95cdd378965f6cfb.tar.gz linux-stable-14eff1812679c76564b775aa95cdd378965f6cfb.tar.bz2 linux-stable-14eff1812679c76564b775aa95cdd378965f6cfb.zip | |
ARM: 6398/1: add proc info for ARM11MPCore/Cortex-A9 from ARM
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>
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 080129263eef..7563ff0141bd 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -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. */ |