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[10/15] ARM: shmobile: Remove old SCU boot code

Message ID 1371456768-1084-11-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman June 17, 2013, 8:12 a.m. UTC
From: Magnus Damm <damm@opensource.se>

Remove shmobile_secondary_vector_scu now when all SCU enabled
SMP platforms instead make use of shmobile_boot_scu. This
removes two inline virtual to physical address conversions.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/headsmp-scu.S         |   22 +---------------------
 arch/arm/mach-shmobile/include/mach/common.h |    1 -
 2 files changed, 1 insertion(+), 22 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S
index c5c9106..6f98654 100644
--- a/arch/arm/mach-shmobile/headsmp-scu.S
+++ b/arch/arm/mach-shmobile/headsmp-scu.S
@@ -25,32 +25,12 @@ 
 
 	__CPUINIT
 /*
- * Reset vector for secondary CPUs.
+ * Boot code for secondary CPUs.
  *
  * First we turn on L1 cache coherency for our CPU. Then we jump to
  * shmobile_invalidate_start that invalidates the cache and hands over control
  * to the common ARM startup code.
- * This function will be mapped to address 0 by the SBAR register.
- * A normal branch is out of range here so we need a long jump. We jump to
- * the physical address as the MMU is still turned off.
  */
-	.align	12
-ENTRY(shmobile_secondary_vector_scu)
-	mrc     p15, 0, r0, c0, c0, 5	@ read MIPDR
-	and	r0, r0, #3		@ mask out cpu ID
-	lsl	r0, r0, #3		@ we will shift by cpu_id * 8 bits
-	ldr	r1, 2f
-	ldr	r1, [r1]		@ SCU base address
-	ldr	r2, [r1, #8]		@ SCU Power Status Register
-	mov	r3, #3
-	bic	r2, r2, r3, lsl r0	@ Clear bits of our CPU (Run Mode)
-	str	r2, [r1, #8]		@ write back
-
-	ldr	pc, 1f
-1:	.long shmobile_invalidate_start - PAGE_OFFSET + PLAT_PHYS_OFFSET
-2:	.long shmobile_scu_base - PAGE_OFFSET + PLAT_PHYS_OFFSET
-ENDPROC(shmobile_secondary_vector_scu)
-
 ENTRY(shmobile_boot_scu)
 					@ r0 = SCU base address
 	mrc     p15, 0, r1, c0, c0, 5	@ read MIPDR
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index 8ef1c3c..e818f02 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -10,7 +10,6 @@  extern void shmobile_setup_console(void);
 extern void shmobile_boot_vector(void);
 extern unsigned long shmobile_boot_fn;
 extern unsigned long shmobile_boot_arg;
-extern void shmobile_secondary_vector_scu(void);
 extern void shmobile_boot_scu(void);
 struct clk;
 extern int shmobile_clk_init(void);