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ARM: OMAP4: PM: Refine the APIs to support OMAP4 features.

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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>
This commit is contained in:
Abhijit Pagare 2010-01-26 20:12:54 -07:00 committed by Paul Walmsley
parent 1a422724c6
commit 8a3ddc759b
3 changed files with 14 additions and 11 deletions
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2
arch/arm/mach-omap2/Makefile
View File

@ -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

21
arch/arm/mach-omap2/clockdomain.c
View File

@ -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));

2
arch/arm/mach-omap2/io.c
View File

@ -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();