diff options
Diffstat (limited to 'arch/arm/mach-omap2/opp3xxx_data.c')
| -rw-r--r-- | arch/arm/mach-omap2/opp3xxx_data.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c new file mode 100644 index 00000000000..0486fce8a92 --- /dev/null +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -0,0 +1,107 @@ +/* + * OMAP3 OPP table definitions. + * + * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/ + * Nishanth Menon + * Kevin Hilman + * Copyright (C) 2010 Nokia Corporation. + * Eduardo Valentin + * + * 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. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/module.h> + +#include <plat/cpu.h> + +#include "omap_opp_data.h" + +static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { + /* MPU OPP1 */ + OPP_INITIALIZER("mpu", true, 125000000, 975000), + /* MPU OPP2 */ + OPP_INITIALIZER("mpu", true, 250000000, 1075000), + /* MPU OPP3 */ + OPP_INITIALIZER("mpu", true, 500000000, 1200000), + /* MPU OPP4 */ + OPP_INITIALIZER("mpu", true, 550000000, 1270000), + /* MPU OPP5 */ + OPP_INITIALIZER("mpu", true, 600000000, 1350000), + + /* + * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is + * almost the same than the one at 83MHz thus providing very little + * gain for the power point of view. In term of energy it will even + * increase the consumption due to the very negative performance + * impact that frequency will do to the MPU and the whole system in + * general. + */ + OPP_INITIALIZER("l3_main", false, 41500000, 975000), + /* L3 OPP2 */ + OPP_INITIALIZER("l3_main", true, 83000000, 1050000), + /* L3 OPP3 */ + OPP_INITIALIZER("l3_main", true, 166000000, 1150000), + + /* DSP OPP1 */ + OPP_INITIALIZER("iva", true, 90000000, 975000), + /* DSP OPP2 */ + OPP_INITIALIZER("iva", true, 180000000, 1075000), + /* DSP OPP3 */ + OPP_INITIALIZER("iva", true, 360000000, 1200000), + /* DSP OPP4 */ + OPP_INITIALIZER("iva", true, 400000000, 1270000), + /* DSP OPP5 */ + OPP_INITIALIZER("iva", true, 430000000, 1350000), +}; + +static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { + /* MPU OPP1 - OPP50 */ + OPP_INITIALIZER("mpu", true, 300000000, 1012500), + /* MPU OPP2 - OPP100 */ + OPP_INITIALIZER("mpu", true, 600000000, 1200000), + /* MPU OPP3 - OPP-Turbo */ + OPP_INITIALIZER("mpu", false, 800000000, 1325000), + /* MPU OPP4 - OPP-SB */ + OPP_INITIALIZER("mpu", false, 1000000000, 1375000), + + /* L3 OPP1 - OPP50 */ + OPP_INITIALIZER("l3_main", true, 100000000, 1000000), + /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ + OPP_INITIALIZER("l3_main", true, 200000000, 1200000), + + /* DSP OPP1 - OPP50 */ + OPP_INITIALIZER("iva", true, 260000000, 1012500), + /* DSP OPP2 - OPP100 */ + OPP_INITIALIZER("iva", true, 520000000, 1200000), + /* DSP OPP3 - OPP-Turbo */ + OPP_INITIALIZER("iva", false, 660000000, 1325000), + /* DSP OPP4 - OPP-SB */ + OPP_INITIALIZER("iva", false, 800000000, 1375000), +}; + +/** + * omap3_opp_init() - initialize omap3 opp table + */ +static int __init omap3_opp_init(void) +{ + int r = -ENODEV; + + if (!cpu_is_omap34xx()) + return r; + + if (cpu_is_omap3630()) + r = omap_init_opp_table(omap36xx_opp_def_list, + ARRAY_SIZE(omap36xx_opp_def_list)); + else + r = omap_init_opp_table(omap34xx_opp_def_list, + ARRAY_SIZE(omap34xx_opp_def_list)); + + return r; +} +device_initcall(omap3_opp_init); |