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From: jean.pihet@newoldbits.com (jean.pihet at newoldbits.com)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/7] OMAP3: re-organize the ASM sleep code
Date: Fri, 17 Dec 2010 11:08:23 +0100	[thread overview]
Message-ID: <1292580506-4421-5-git-send-email-j-pihet@ti.com> (raw)
In-Reply-To: <1292580506-4421-1-git-send-email-j-pihet@ti.com>

From: Jean Pihet <j-pihet@ti.com>

Organize the code in the following sections:
- register access macros,
- API functions,
- internal functions.

Tested on N900 and Beagleboard with full RET and OFF modes,
using cpuidle and suspend.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
---
 arch/arm/mach-omap2/sleep34xx.S |  114 +++++++++++++++++++++------------------
 1 files changed, 61 insertions(+), 53 deletions(-)

diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index 8e9f38f..beeb682 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -79,6 +79,7 @@ ENTRY(get_restore_pointer)
         ldmfd   sp!, {pc}     @ restore regs and return
 ENTRY(get_restore_pointer_sz)
         .word   . - get_restore_pointer
+
 	.text
 /* Function call to get the restore pointer for 3630 resume from OFF */
 ENTRY(get_omap3630_restore_pointer)
@@ -89,9 +90,18 @@ ENTRY(get_omap3630_restore_pointer_sz)
         .word   . - get_omap3630_restore_pointer
 
 	.text
+/* Function call to get the restore pointer for ES3 to resume from OFF */
+ENTRY(get_es3_restore_pointer)
+	stmfd	sp!, {lr}	@ save registers on stack
+	adr	r0, restore_es3
+	ldmfd	sp!, {pc}	@ restore regs and return
+ENTRY(get_es3_restore_pointer_sz)
+	.word	. - get_es3_restore_pointer
+
+	.text
 /*
  * L2 cache needs to be toggled for stable OFF mode functionality on 3630.
- * This function sets up a fflag that will allow for this toggling to take
+ * This function sets up a flag that will allow for this toggling to take
  * place on 3630. Hopefully some version in the future maynot need this
  */
 ENTRY(enable_omap3630_toggle_l2_on_restore)
@@ -101,58 +111,6 @@ ENTRY(enable_omap3630_toggle_l2_on_restore)
 	str	r1, l2dis_3630
         ldmfd   sp!, {pc}     @ restore regs and return
 
-	.text
-/* Function call to get the restore pointer for for ES3 to resume from OFF */
-ENTRY(get_es3_restore_pointer)
-	stmfd	sp!, {lr}	@ save registers on stack
-	adr	r0, restore_es3
-	ldmfd	sp!, {pc}	@ restore regs and return
-ENTRY(get_es3_restore_pointer_sz)
-	.word	. - get_es3_restore_pointer
-
-ENTRY(es3_sdrc_fix)
-	ldr	r4, sdrc_syscfg		@ get config addr
-	ldr	r5, [r4]		@ get value
-	tst	r5, #0x100		@ is part access blocked
-	it	eq
-	biceq	r5, r5, #0x100		@ clear bit if set
-	str	r5, [r4]		@ write back change
-	ldr	r4, sdrc_mr_0		@ get config addr
-	ldr	r5, [r4]		@ get value
-	str	r5, [r4]		@ write back change
-	ldr	r4, sdrc_emr2_0		@ get config addr
-	ldr	r5, [r4]		@ get value
-	str	r5, [r4]		@ write back change
-	ldr	r4, sdrc_manual_0	@ get config addr
-	mov	r5, #0x2		@ autorefresh command
-	str	r5, [r4]		@ kick off refreshes
-	ldr	r4, sdrc_mr_1		@ get config addr
-	ldr	r5, [r4]		@ get value
-	str	r5, [r4]		@ write back change
-	ldr	r4, sdrc_emr2_1		@ get config addr
-	ldr	r5, [r4]		@ get value
-	str	r5, [r4]		@ write back change
-	ldr	r4, sdrc_manual_1	@ get config addr
-	mov	r5, #0x2		@ autorefresh command
-	str	r5, [r4]		@ kick off refreshes
-	bx	lr
-sdrc_syscfg:
-	.word	SDRC_SYSCONFIG_P
-sdrc_mr_0:
-	.word	SDRC_MR_0_P
-sdrc_emr2_0:
-	.word	SDRC_EMR2_0_P
-sdrc_manual_0:
-	.word	SDRC_MANUAL_0_P
-sdrc_mr_1:
-	.word	SDRC_MR_1_P
-sdrc_emr2_1:
-	.word	SDRC_EMR2_1_P
-sdrc_manual_1:
-	.word	SDRC_MANUAL_1_P
-ENTRY(es3_sdrc_fix_sz)
-	.word	. - es3_sdrc_fix
-
 /* Function to call rom code to save secure ram context */
 ENTRY(save_secure_ram_context)
 	stmfd	sp!, {r1-r12, lr}	@ save registers on stack
@@ -577,6 +535,56 @@ skip_l2_inval:
 	/* restore regs and return */
 	ldmfd   sp!, {r0-r12, pc}
 
+
+/*
+ * Internal functions
+ */
+
+	.text
+ENTRY(es3_sdrc_fix)
+	ldr	r4, sdrc_syscfg		@ get config addr
+	ldr	r5, [r4]		@ get value
+	tst	r5, #0x100		@ is part access blocked
+	it	eq
+	biceq	r5, r5, #0x100		@ clear bit if set
+	str	r5, [r4]		@ write back change
+	ldr	r4, sdrc_mr_0		@ get config addr
+	ldr	r5, [r4]		@ get value
+	str	r5, [r4]		@ write back change
+	ldr	r4, sdrc_emr2_0		@ get config addr
+	ldr	r5, [r4]		@ get value
+	str	r5, [r4]		@ write back change
+	ldr	r4, sdrc_manual_0	@ get config addr
+	mov	r5, #0x2		@ autorefresh command
+	str	r5, [r4]		@ kick off refreshes
+	ldr	r4, sdrc_mr_1		@ get config addr
+	ldr	r5, [r4]		@ get value
+	str	r5, [r4]		@ write back change
+	ldr	r4, sdrc_emr2_1		@ get config addr
+	ldr	r5, [r4]		@ get value
+	str	r5, [r4]		@ write back change
+	ldr	r4, sdrc_manual_1	@ get config addr
+	mov	r5, #0x2		@ autorefresh command
+	str	r5, [r4]		@ kick off refreshes
+	bx	lr
+
+sdrc_syscfg:
+	.word	SDRC_SYSCONFIG_P
+sdrc_mr_0:
+	.word	SDRC_MR_0_P
+sdrc_emr2_0:
+	.word	SDRC_EMR2_0_P
+sdrc_manual_0:
+	.word	SDRC_MANUAL_0_P
+sdrc_mr_1:
+	.word	SDRC_MR_1_P
+sdrc_emr2_1:
+	.word	SDRC_EMR2_1_P
+sdrc_manual_1:
+	.word	SDRC_MANUAL_1_P
+ENTRY(es3_sdrc_fix_sz)
+	.word	. - es3_sdrc_fix
+
 /* Make sure SDRC accesses are ok */
 wait_sdrc_ok:
 
-- 
1.7.1

  parent reply	other threads:[~2010-12-17 10:08 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-17 10:08 [PATCH 0/7 v5] OMAP3: clean up ASM sleep code jean.pihet at newoldbits.com
2010-12-17 10:08 ` [PATCH 1/7] OMAP3: remove unused code from the " jean.pihet at newoldbits.com
2010-12-17 10:36   ` Santosh Shilimkar
2010-12-17 13:18   ` Nishanth Menon
2010-12-17 10:08 ` [PATCH 2/7] OMAP2+: use global values for the SRAM PA addresses jean.pihet at newoldbits.com
2010-12-17 10:36   ` Santosh Shilimkar
2010-12-17 13:34   ` Nishanth Menon
2010-12-17 14:59     ` Jean Pihet
2010-12-17 15:00       ` Nishanth Menon
2010-12-17 10:08 ` [PATCH 3/7] OMAP3: remove hardcoded values from the ASM sleep code jean.pihet at newoldbits.com
2010-12-17 10:36   ` Santosh Shilimkar
2010-12-17 13:51   ` Nishanth Menon
2010-12-17 10:08 ` jean.pihet at newoldbits.com [this message]
2010-12-17 10:37   ` [PATCH 4/7] OMAP3: re-organize " Santosh Shilimkar
2010-12-17 14:05   ` Nishanth Menon
2010-12-17 10:08 ` [PATCH 5/7] OMAP3: rework of the ASM sleep code execution paths jean.pihet at newoldbits.com
2010-12-17 10:37   ` Santosh Shilimkar
2010-12-17 15:35   ` Nishanth Menon
2010-12-18 15:54     ` Jean Pihet
2010-12-17 10:08 ` [PATCH 6/7] OMAP3: add comments for low power code errata jean.pihet at newoldbits.com
2010-12-17 10:37   ` Santosh Shilimkar
2010-12-17 15:43   ` Nishanth Menon
2010-12-17 10:08 ` [PATCH 7/7] OMAP3: ASM sleep code format rework jean.pihet at newoldbits.com
2010-12-17 10:37   ` Santosh Shilimkar
2010-12-17 15:58   ` Nishanth Menon
2010-12-18 15:56     ` Jean Pihet
2010-12-17 23:02 ` [PATCH 0/7 v5] OMAP3: clean up ASM sleep code Kevin Hilman
2010-12-17 23:07   ` Jean Pihet
2010-12-17 23:22     ` Nishanth Menon
2010-12-18 15:51       ` Jean Pihet
  -- strict thread matches above, loose matches on Subject: below --
2010-12-18 15:44 [PATCH 0/7 v6] " jean.pihet at newoldbits.com
2010-12-18 15:44 ` [PATCH 4/7] OMAP3: re-organize the " jean.pihet at newoldbits.com
2010-12-16 17:50 [PATCH 0/7 v4] OMAP3: clean up " jean.pihet at newoldbits.com
2010-12-16 17:50 ` [PATCH 4/7] OMAP3: re-organize the " jean.pihet at newoldbits.com

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