This patch adds OPP tables for OMAP4. New file has been added to keep the OMAP4 opp tables and the registration of these tables with the generic opp framework by OMAP SoC OPP interface. Based on: http://dev.omapzoom.org/?p=santosh/kernel-omap4-base.git;a=blob;f=arch/arm/mach-omap2/opp44xx_data.c;h=252e3d0cb6050a64f390b9311c1c4977d74f762a;hb=refs/heads/omap4_next Signed-off-by: Thara Gopinath <thara@xxxxxx> Signed-off-by: Nishanth Menon <nm@xxxxxx> --- Warning: http://lkml.org/lkml/2010/11/9/389 Introduces ARCH_HAS_OPP which needs to be enabled as well for OMAP4 in Kconfig V4: switched data to .c file v3: http://marc.info/?l=linux-omap&m=128984926712794&w=2 * switched to using device_initcall to autoinitialize the opp tables v2: https://patchwork.kernel.org/patch/266921/ arch/arm/mach-omap2/Kconfig | 1 + arch/arm/mach-omap2/opp.c | 3 +- arch/arm/mach-omap2/opp4xxx_data.c | 49 ++++++++++++++++++++++++++++++++++++ arch/arm/mach-omap2/pm.h | 5 +++ 4 files changed, 57 insertions(+), 1 deletions(-) create mode 100644 arch/arm/mach-omap2/opp4xxx_data.c diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 93a91ff..0f1855a 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -45,6 +45,7 @@ config ARCH_OMAP4 select ARM_GIC select PL310_ERRATA_588369 select ARM_ERRATA_720789 + select PM_OPP if PM comment "OMAP Core Type" depends on ARCH_OMAP2 diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c index 66e12be..48a553f 100644 --- a/arch/arm/mach-omap2/opp.c +++ b/arch/arm/mach-omap2/opp.c @@ -131,4 +131,5 @@ static int __init omap_init_opp_table(struct omap_opp_def *opp_def, /* omap3 opps */ #include "opp3xxx_data.c" - +/* omap4 opps */ +#include "opp4xxx_data.c" diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c new file mode 100644 index 0000000..6271774 --- /dev/null +++ b/arch/arm/mach-omap2/opp4xxx_data.c @@ -0,0 +1,49 @@ +/* + * OMAP4 OPP table definitions. + * + * Copyright (C) 2009 - 2010 Texas Instruments Incorporated. + * Nishanth Menon + * Copyright (C) 2009 - 2010 Deep Root Systems, LLC. + * Kevin Hilman + * Copyright (C) 2010 Nokia Corporation. + * Eduardo Valentin + * Copyright (C) 2010 Texas Instruments Incorporated. + * Thara Gopinath + * + * 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 + * published by the Free Software Foundation. + */ + +static struct omap_opp_def __initdata omap44xx_opp_def_list[] = { + /* MPU OPP1 - OPP50 */ + OPP_INITIALIZER("mpu", true, 300000000, 1100000), + /* MPU OPP2 - OPP100 */ + OPP_INITIALIZER("mpu", true, 600000000, 1200000), + /* MPU OPP3 - OPP-Turbo */ + OPP_INITIALIZER("mpu", false, 800000000, 1260000), + /* MPU OPP4 - OPP-SB */ + OPP_INITIALIZER("mpu", false, 1008000000, 1350000), + /* L3 OPP1 - OPP50 */ + OPP_INITIALIZER("l3_main_1", true, 100000000, 930000), + /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ + OPP_INITIALIZER("l3_main_1", true, 200000000, 1100000), + /* TODO: add IVA, DSP, aess, fdif, gpu */ +}; + +/** + * omap4_opp_init() - initialize omap4 opp table + */ +int __init omap4_opp_init(void) +{ + int r = -ENODEV; + + if (!cpu_is_omap44xx()) + return r; + + r = omap_init_opp_table(omap44xx_opp_def_list, + ARRAY_SIZE(omap44xx_opp_def_list)); + + return r; +} +device_initcall(omap4_opp_init); diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 2031f15..a43e069 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -22,11 +22,16 @@ extern int omap3_idle_init(void); #if defined(CONFIG_PM_OPP) extern int omap3_opp_init(void); +extern int omap4_opp_init(void); #else static inline int omap3_opp_init(void) { return -EINVAL; } +static inline int omap4_opp_init(void) +{ + return -EINVAL; +} #endif struct cpuidle_params { -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
