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authorAbhijit Pagare <abhijitpagare@ti.com>2010-01-26 20:12:54 -0700
committerPaul Walmsley <paul@pwsan.com>2010-01-26 20:12:54 -0700
commit8a3ddc759b33d3b3b3953d001c8d3d9107becbb9 (patch)
tree7d6072694d33ef23b5a289c8ab688dc1568ad7e0
parent1a422724c6995004d0b9e95596ec4623e8ca1fc2 (diff)
ARM: OMAP4: PM: Refine the APIs to support OMAP4 features.
Port the APIs to support the OMAP4 clockdomain framework. Also take care of the compiling requirements for the same. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
-rw-r--r--arch/arm/mach-omap2/Makefile2
-rw-r--r--arch/arm/mach-omap2/clockdomain.c21
-rw-r--r--arch/arm/mach-omap2/io.c2
3 files changed, 14 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4a54e5afbac..64de2fdf655 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -13,7 +13,7 @@ clock-common = clock.o clock_common_data.o clockdomain.o
obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common)
obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
$(omap-3-4-common)
-obj-$(CONFIG_ARCH_OMAP4) += $(omap-3-4-common) $(prcm-common) clock.o
+obj-$(CONFIG_ARCH_OMAP4) += $(omap-3-4-common) $(prcm-common) $(clock-common)
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 5366a10d859..8c9e78c2c17 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -1,10 +1,11 @@
/*
- * OMAP2/3 clockdomain framework functions
+ * OMAP2/3/4 clockdomain framework functions
*
- * Copyright (C) 2008 Texas Instruments, Inc.
+ * Copyright (C) 2008-2009 Texas Instruments, Inc.
* Copyright (C) 2008-2009 Nokia Corporation
*
* Written by Paul Walmsley and Jouni Högander
+ * Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -152,7 +153,7 @@ static void _omap2_clkdm_set_hwsup(struct clockdomain *clkdm, int enable)
bits = OMAP24XX_CLKSTCTRL_ENABLE_AUTO;
else
bits = OMAP24XX_CLKSTCTRL_DISABLE_AUTO;
- } else if (cpu_is_omap34xx()) {
+ } else if (cpu_is_omap34xx() | cpu_is_omap44xx()) {
if (enable)
bits = OMAP34XX_CLKSTCTRL_ENABLE_AUTO;
else
@@ -213,10 +214,12 @@ void clkdm_init(struct clockdomain **clkdms,
for (c = clkdms; *c; c++)
clkdm_register(*c);
- autodeps = init_autodeps;
- if (autodeps)
- for (autodep = autodeps; autodep->pwrdm.ptr; autodep++)
- _autodep_lookup(autodep);
+ if (!cpu_is_omap44xx()) {
+ autodeps = init_autodeps;
+ if (autodeps)
+ for (autodep = autodeps; autodep->pwrdm.ptr; autodep++)
+ _autodep_lookup(autodep);
+ }
}
/**
@@ -419,7 +422,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
cm_set_mod_reg_bits(OMAP24XX_FORCESTATE,
clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
- } else if (cpu_is_omap34xx()) {
+ } else if (cpu_is_omap34xx() | cpu_is_omap44xx()) {
u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP <<
__ffs(clkdm->clktrctrl_mask));
@@ -463,7 +466,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE,
clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL);
- } else if (cpu_is_omap34xx()) {
+ } else if (cpu_is_omap34xx() | cpu_is_omap44xx()) {
u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP <<
__ffs(clkdm->clktrctrl_mask));
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index aa237ff644d..51d7453f406 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -313,12 +313,12 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
hwmods = omap34xx_hwmods;
pwrdm_init(powerdomains_omap);
+ clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
/* The OPP tables have to be registered before a clk init */
omap_hwmod_init(hwmods);
omap2_mux_init();
omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
- clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
#endif
omap2_clk_init();
omap_serial_early_init();