From: dwalker@codeaurora.org (Daniel Walker)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] arm: mm: add proc info for ARM11MPCore/Cortex-A9 from ARM
Date: Thu, 9 Sep 2010 12:58:08 -0700 [thread overview]
Message-ID: <1284062289-10914-4-git-send-email-dwalker@codeaurora.org> (raw)
In-Reply-To: <1284062289-10914-1-git-send-email-dwalker@codeaurora.org>
Setting of these bits can cause issues on other SMP SoC's not produced
by ARM.
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
---
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 6a8506d..60cfab9 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
@@ -323,6 +324,29 @@ 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.
*/
--
1.7.1
next prev parent reply other threads:[~2010-09-09 19:58 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-09 19:58 [GIT PULL] generic arm MSM changes for v2.6.37 Daniel Walker
2010-09-09 19:58 ` [PATCH 1/4] arm: Kconfig option for ARCH_MSM_SCORPIONMP Daniel Walker
2010-09-10 10:14 ` Sergei Shtylyov
2010-09-10 14:51 ` Uwe Kleine-König
2010-09-10 15:04 ` Daniel Walker
2010-09-11 11:02 ` Sergei Shtylyov
2010-09-10 15:15 ` Lorenzo Pieralisi
2010-09-10 20:36 ` Russell King - ARM Linux
2010-09-10 21:01 ` Daniel Walker
2010-09-09 19:58 ` [PATCH 2/4] arm: dis-allow hotplug on MSM Daniel Walker
2010-09-30 7:19 ` Pavel Machek
2010-09-30 16:45 ` Daniel Walker
2010-09-30 18:09 ` Daniel Walker
2010-09-30 19:52 ` Pavel Machek
2010-09-30 19:55 ` Daniel Walker
2010-09-30 20:02 ` Pavel Machek
2010-09-30 20:08 ` Daniel Walker
2010-09-30 20:17 ` Russell King - ARM Linux
2010-09-30 20:40 ` Daniel Walker
2010-09-30 20:48 ` Russell King - ARM Linux
2010-09-09 19:58 ` Daniel Walker [this message]
2010-09-13 12:05 ` [PATCH 3/4] arm: mm: add proc info for ARM11MPCore/Cortex-A9 from ARM Catalin Marinas
2010-09-09 19:58 ` [PATCH 4/4] GIC: Dont disable INT in ack callback Daniel Walker
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