We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.
Note that the volt_data is still being used.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
# OPP table initialization
ifeq ($(CONFIG_PM_OPP),y)
-obj-y += opp.o
obj-$(CONFIG_ARCH_OMAP3) += opp3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += opp4xxx_data.o
endif
+++ /dev/null
-/*
- * OMAP SoC specific OPP wrapper function
- *
- * 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 <linux/of.h>
-#include <linux/pm_opp.h>
-#include <linux/cpu.h>
-
-#include "omap_device.h"
-
-#include "omap_opp_data.h"
-
-/* Temp variable to allow multiple calls */
-static u8 __initdata omap_table_init;
-
-/**
- * omap_init_opp_table() - Initialize opp table as per the CPU type
- * @opp_def: opp default list for this silicon
- * @opp_def_size: number of opp entries for this silicon
- *
- * Register the initial OPP table with the OPP library based on the CPU
- * type. This is meant to be used only by SoC specific registration.
- */
-int __init omap_init_opp_table(struct omap_opp_def *opp_def,
- u32 opp_def_size)
-{
- int i, r;
-
- if (of_have_populated_dt())
- return -EINVAL;
-
- if (!opp_def || !opp_def_size) {
- pr_err("%s: invalid params!\n", __func__);
- return -EINVAL;
- }
-
- /*
- * Initialize only if not already initialized even if the previous
- * call failed, because, no reason we'd succeed again.
- */
- if (omap_table_init)
- return -EEXIST;
- omap_table_init = 1;
-
- /* Lets now register with OPP library */
- for (i = 0; i < opp_def_size; i++, opp_def++) {
- struct omap_hwmod *oh;
- struct device *dev;
-
- if (!opp_def->hwmod_name) {
- pr_err("%s: NULL name of omap_hwmod, failing [%d].\n",
- __func__, i);
- return -EINVAL;
- }
-
- if (!strncmp(opp_def->hwmod_name, "mpu", 3)) {
- /*
- * All current OMAPs share voltage rail and
- * clock source, so CPU0 is used to represent
- * the MPU-SS.
- */
- dev = get_cpu_device(0);
- } else {
- oh = omap_hwmod_lookup(opp_def->hwmod_name);
- if (!oh || !oh->od) {
- pr_debug("%s: no hwmod or odev for %s, [%d] cannot add OPPs.\n",
- __func__, opp_def->hwmod_name, i);
- continue;
- }
- dev = &oh->od->pdev->dev;
- }
-
- r = dev_pm_opp_add(dev, opp_def->freq, opp_def->u_volt);
- if (r) {
- dev_err(dev, "%s: add OPP %ld failed for %s [%d] result=%d\n",
- __func__, opp_def->freq,
- opp_def->hwmod_name, i, r);
- } else {
- if (!opp_def->default_available)
- r = dev_pm_opp_disable(dev, opp_def->freq);
- if (r)
- dev_err(dev, "%s: disable %ld failed for %s [%d] result=%d\n",
- __func__, opp_def->freq,
- opp_def->hwmod_name, i, r);
- }
- }
-
- return 0;
-}
VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
-
-/* OPP data */
-
-static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
- /* MPU OPP1 */
- OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
- /* MPU OPP2 */
- OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
- /* MPU OPP3 */
- OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
- /* MPU OPP4 */
- OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
- /* MPU OPP5 */
- OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
-
- /*
- * 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, OMAP3430_VDD_CORE_OPP1_UV),
- /* L3 OPP2 */
- OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
- /* L3 OPP3 */
- OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
-
- /* DSP OPP1 */
- OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
- /* DSP OPP2 */
- OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
- /* DSP OPP3 */
- OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
- /* DSP OPP4 */
- OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
- /* DSP OPP5 */
- OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
-};
-
-static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
- /* MPU OPP1 - OPP50 */
- OPP_INITIALIZER("mpu", true, 300000000, OMAP3630_VDD_MPU_OPP50_UV),
- /* MPU OPP2 - OPP100 */
- OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV),
- /* MPU OPP3 - OPP-Turbo */
- OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
- /* MPU OPP4 - OPP-SB */
- OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
-
- /* L3 OPP1 - OPP50 */
- OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
- /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
- OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
-
- /* DSP OPP1 - OPP50 */
- OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV),
- /* DSP OPP2 - OPP100 */
- OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV),
- /* DSP OPP3 - OPP-Turbo */
- OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
- /* DSP OPP4 - OPP-SB */
- OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
-};
-
-/**
- * omap3_opp_init() - initialize omap3 opp table
- */
-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;
-}
-omap_device_initcall(omap3_opp_init);
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
-
-static struct omap_opp_def __initdata omap443x_opp_def_list[] = {
- /* MPU OPP1 - OPP50 */
- OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV),
- /* MPU OPP2 - OPP100 */
- OPP_INITIALIZER("mpu", true, 600000000, OMAP4430_VDD_MPU_OPP100_UV),
- /* MPU OPP3 - OPP-Turbo */
- OPP_INITIALIZER("mpu", true, 800000000, OMAP4430_VDD_MPU_OPPTURBO_UV),
- /* MPU OPP4 - OPP-SB */
- OPP_INITIALIZER("mpu", true, 1008000000, OMAP4430_VDD_MPU_OPPNITRO_UV),
- /* L3 OPP1 - OPP50 */
- OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4430_VDD_CORE_OPP50_UV),
- /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
- OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4430_VDD_CORE_OPP100_UV),
- /* IVA OPP1 - OPP50 */
- OPP_INITIALIZER("iva", true, 133000000, OMAP4430_VDD_IVA_OPP50_UV),
- /* IVA OPP2 - OPP100 */
- OPP_INITIALIZER("iva", true, 266100000, OMAP4430_VDD_IVA_OPP100_UV),
- /* IVA OPP3 - OPP-Turbo */
- OPP_INITIALIZER("iva", false, 332000000, OMAP4430_VDD_IVA_OPPTURBO_UV),
- /* TODO: add DSP, aess, fdif, gpu */
-};
-
#define OMAP4460_VDD_MPU_OPP50_UV 1025000
#define OMAP4460_VDD_MPU_OPP100_UV 1200000
#define OMAP4460_VDD_MPU_OPPTURBO_UV 1313000
VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_OV_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100OV, 0xf9, 0x16),
VOLT_DATA_DEFINE(0, 0, 0, 0),
};
-
-static struct omap_opp_def __initdata omap446x_opp_def_list[] = {
- /* MPU OPP1 - OPP50 */
- OPP_INITIALIZER("mpu", true, 350000000, OMAP4460_VDD_MPU_OPP50_UV),
- /* MPU OPP2 - OPP100 */
- OPP_INITIALIZER("mpu", true, 700000000, OMAP4460_VDD_MPU_OPP100_UV),
- /* MPU OPP3 - OPP-Turbo */
- OPP_INITIALIZER("mpu", true, 920000000, OMAP4460_VDD_MPU_OPPTURBO_UV),
- /*
- * MPU OPP4 - OPP-Nitro + Disabled as the reference schematics
- * recommends TPS623631 - confirm and enable the opp in board file
- * XXX: May be we should enable these based on mpu capability and
- * Exception board files disable it...
- */
- OPP_INITIALIZER("mpu", false, 1200000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
- /* MPU OPP4 - OPP-Nitro SpeedBin */
- OPP_INITIALIZER("mpu", false, 1500000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
- /* L3 OPP1 - OPP50 */
- OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4460_VDD_CORE_OPP50_UV),
- /* L3 OPP2 - OPP100 */
- OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4460_VDD_CORE_OPP100_UV),
- /* IVA OPP1 - OPP50 */
- OPP_INITIALIZER("iva", true, 133000000, OMAP4460_VDD_IVA_OPP50_UV),
- /* IVA OPP2 - OPP100 */
- OPP_INITIALIZER("iva", true, 266100000, OMAP4460_VDD_IVA_OPP100_UV),
- /*
- * IVA OPP3 - OPP-Turbo + Disabled as the reference schematics
- * recommends Phoenix VCORE2 which can supply only 600mA - so the ones
- * above this OPP frequency, even though OMAP is capable, should be
- * enabled by board file which is sure of the chip power capability
- */
- OPP_INITIALIZER("iva", false, 332000000, OMAP4460_VDD_IVA_OPPTURBO_UV),
- /* IVA OPP4 - OPP-Nitro */
- OPP_INITIALIZER("iva", false, 430000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
- /* IVA OPP5 - OPP-Nitro SpeedBin*/
- OPP_INITIALIZER("iva", false, 500000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
-
- /* TODO: add DSP, aess, fdif, gpu */
-};
-
-/**
- * omap4_opp_init() - initialize omap4 opp table
- */
-int __init omap4_opp_init(void)
-{
- int r = -ENODEV;
-
- if (cpu_is_omap443x())
- r = omap_init_opp_table(omap443x_opp_def_list,
- ARRAY_SIZE(omap443x_opp_def_list));
- else if (cpu_is_omap446x())
- r = omap_init_opp_table(omap446x_opp_def_list,
- ARRAY_SIZE(omap446x_opp_def_list));
- return r;
-}
-omap_device_initcall(omap4_opp_init);
projects / mirror_ubuntu-artful-kernel.git / commitdiff