From: Vivek Kutal <vivek.kutal@celunite.com>
To: linux-omap-open-source@linux.omap.com
Subject: [PATCH] Remove omap_sram_idle()
Date: Sun, 16 Dec 2007 13:27:04 +0530 [thread overview]
Message-ID: <11977918242059-git-send-email-vivek.kutal@celunite.com> (raw)
This patch removes omap_sram_idle().
Signed-off-by: Vivek Kutal <vivek.kutal@celunite.com>
---
arch/arm/mach-omap1/pm.c | 8 +--
arch/arm/mach-omap1/sleep.S | 161 -------------------------------------------
2 files changed, 1 insertions(+), 168 deletions(-)
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 647c58e..c5a89cd 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -676,23 +676,17 @@ static int __init omap_pm_init(void)
* memory the MPU can see when it wakes up.
*/
if (cpu_is_omap730()) {
- omap_sram_idle = omap_sram_push(omap730_idle_loop_suspend,
- omap730_idle_loop_suspend_sz);
omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,
omap730_cpu_suspend_sz);
} else if (cpu_is_omap15xx()) {
- omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend,
- omap1510_idle_loop_suspend_sz);
omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,
omap1510_cpu_suspend_sz);
} else if (cpu_is_omap16xx()) {
- omap_sram_idle = omap_sram_push(omap1610_idle_loop_suspend,
- omap1610_idle_loop_suspend_sz);
omap_sram_suspend = omap_sram_push(omap1610_cpu_suspend,
omap1610_cpu_suspend_sz);
}
- if (omap_sram_idle == NULL || omap_sram_suspend == NULL) {
+ if (omap_sram_suspend == NULL) {
printk(KERN_ERR "PM not initialized: Missing SRAM support\n");
return -ENODEV;
}
diff --git a/arch/arm/mach-omap1/sleep.S b/arch/arm/mach-omap1/sleep.S
index abef33d..68f5b39 100644
--- a/arch/arm/mach-omap1/sleep.S
+++ b/arch/arm/mach-omap1/sleep.S
@@ -39,167 +39,6 @@
.text
-/*
- * Forces OMAP into idle state
- *
- * omapXXXX_idle_loop_suspend()
- *
- * Note: This code get's copied to internal SRAM at boot. When the OMAP
- * wakes up it continues execution at the point it went to sleep.
- *
- * Note: Because of slightly different configuration values we have
- * processor specific functions here.
- */
-
-#if defined(CONFIG_ARCH_OMAP730)
-ENTRY(omap730_idle_loop_suspend)
-
- stmfd sp!, {r0 - r12, lr} @ save registers on stack
-
- @ load base address of ARM_IDLECT1 and ARM_IDLECT2
- mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
-
- @ turn off clock domains
- @ get ARM_IDLECT2 into r2
- ldrh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- mov r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff
- orr r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00
- strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
-
- @ request ARM idle
- @ get ARM_IDLECT1 into r1
- ldrh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
- orr r3, r1, #OMAP730_IDLE_LOOP_REQUEST & 0xffff
- strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- mov r5, #IDLE_WAIT_CYCLES & 0xff
- orr r5, r5, #IDLE_WAIT_CYCLES & 0xff00
-l_730: subs r5, r5, #1
- bne l_730
-/*
- * Let's wait for the next clock tick to wake us up.
- */
- mov r0, #0
- mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt
-/*
- * omap730_idle_loop_suspend()'s resume point.
- *
- * It will just start executing here, so we'll restore stuff from the
- * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.
- */
-
- @ restore ARM_IDLECT1 and ARM_IDLECT2 and return
- @ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2
- strh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- strh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- ldmfd sp!, {r0 - r12, pc} @ restore regs and return
-
-ENTRY(omap730_idle_loop_suspend_sz)
- .word . - omap730_idle_loop_suspend
-#endif /* CONFIG_ARCH_OMAP730 */
-
-#ifdef CONFIG_ARCH_OMAP15XX
-ENTRY(omap1510_idle_loop_suspend)
-
- stmfd sp!, {r0 - r12, lr} @ save registers on stack
-
- @ load base address of ARM_IDLECT1 and ARM_IDLECT2
- mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
-
- @ turn off clock domains
- @ get ARM_IDLECT2 into r2
- ldrh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- mov r5, #OMAP1510_IDLE_CLOCK_DOMAINS & 0xff
- orr r5, r5, #OMAP1510_IDLE_CLOCK_DOMAINS & 0xff00
- strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
-
- @ request ARM idle
- @ get ARM_IDLECT1 into r1
- ldrh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
- orr r3, r1, #OMAP1510_IDLE_LOOP_REQUEST & 0xffff
- strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- mov r5, #IDLE_WAIT_CYCLES & 0xff
- orr r5, r5, #IDLE_WAIT_CYCLES & 0xff00
-l_1510: subs r5, r5, #1
- bne l_1510
-/*
- * Let's wait for the next clock tick to wake us up.
- */
- mov r0, #0
- mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt
-/*
- * omap1510_idle_loop_suspend()'s resume point.
- *
- * It will just start executing here, so we'll restore stuff from the
- * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.
- */
-
- @ restore ARM_IDLECT1 and ARM_IDLECT2 and return
- @ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2
- strh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- strh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- ldmfd sp!, {r0 - r12, pc} @ restore regs and return
-
-ENTRY(omap1510_idle_loop_suspend_sz)
- .word . - omap1510_idle_loop_suspend
-#endif /* CONFIG_ARCH_OMAP15XX */
-
-#if defined(CONFIG_ARCH_OMAP16XX)
-ENTRY(omap1610_idle_loop_suspend)
-
- stmfd sp!, {r0 - r12, lr} @ save registers on stack
-
- @ load base address of ARM_IDLECT1 and ARM_IDLECT2
- mov r4, #CLKGEN_REG_ASM_BASE & 0xff000000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
- orr r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
-
- @ turn off clock domains
- @ get ARM_IDLECT2 into r2
- ldrh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- mov r5, #OMAP1610_IDLECT2_SLEEP_VAL & 0xff
- orr r5, r5, #OMAP1610_IDLECT2_SLEEP_VAL & 0xff00
- strh r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
-
- @ request ARM idle
- @ get ARM_IDLECT1 into r1
- ldrh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
- orr r3, r1, #OMAP1610_IDLE_LOOP_REQUEST & 0xffff
- strh r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- mov r5, #IDLE_WAIT_CYCLES & 0xff
- orr r5, r5, #IDLE_WAIT_CYCLES & 0xff00
-l_1610: subs r5, r5, #1
- bne l_1610
-/*
- * Let's wait for the next clock tick to wake us up.
- */
- mov r0, #0
- mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt
-/*
- * omap1610_idle_loop_suspend()'s resume point.
- *
- * It will just start executing here, so we'll restore stuff from the
- * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.
- */
-
- @ restore ARM_IDLECT1 and ARM_IDLECT2 and return
- @ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2
- strh r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
- strh r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
-
- ldmfd sp!, {r0 - r12, pc} @ restore regs and return
-
-ENTRY(omap1610_idle_loop_suspend_sz)
- .word . - omap1610_idle_loop_suspend
-#endif /* CONFIG_ARCH_OMAP16XX */
/*
* Forces OMAP into deep sleep state
--
1.5.2.5
next reply other threads:[~2007-12-16 7:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-16 7:57 Vivek Kutal [this message]
2007-12-16 14:44 ` [PATCH] Remove omap_sram_idle() Woodruff, Richard
2007-12-16 15:11 ` Igor Stoppa
2007-12-17 6:24 ` Vivek Kutal
2007-12-17 18:25 ` Tony Lindgren
2007-12-16 16:06 ` Dirk Behme
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