On Wed, 2010-07-28 at 23:36 +0100, Russell King - ARM Linux wrote:
> On Wed, Jul 28, 2010 at 02:58:00PM -0700, Daniel Walker wrote:
> > On Sat, 2010-07-24 at 09:23 +0100, Russell King - ARM Linux wrote:
> > > On Fri, Jul 23, 2010 at 11:58:02AM -0700, Jeff Ohlstein wrote:
> > > > From: Steve Muckle <[email protected]>
> > > >
> > > > ScorpionMP does not have the SMP/nAMP mode and TLB ops
> > > > broadcasting bits in the ACTLR.
> > >
> > > Please provide a separate instance of __v7_proc_info for your processor
> > > and direct it to jump into the __v7_setup code after this setup instead.
> >
> >
> > You mean add another label into __v7_setup along with a proc-msm.S to
> > jump over this code?
>
> Yes to the first, no to the second.
>
Like so? I haven't tested this.
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 6bddf5d..167bedb 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -196,6 +196,7 @@ __v7_setup:
orreq r0, r0, #(1 << 6) | (1 << 0) @ Enable SMP/nAMP mode and
mcreq p15, 0, r0, c1, c0, 1 @ TLB ops broadcasting
#endif
+__v7_msm_setup:
adr r12, __v7_setup_stack @ the local stack
stmia r12, {r0-r5, r7, r9, r11, lr}
bl v7_flush_dcache_all
@@ -326,6 +327,29 @@ cpu_elf_name:
.section ".proc.info.init", #alloc, #execinstr
+ .type __v7_msm_proc_info, #object
+__v7_msm_proc_info:
+ .long 0x000f0000 @ Required ID value
+ .long 0x000f0000 @ 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_msm_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_msm_proc_info, . - __v7_msm_proc_info
+
/*
* Match any ARMv7 processor core.
*/
--
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The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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