diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-08 10:01:46 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-08 10:01:46 -0700 |
commit | d71048e22f47725a5808ea2e4e1e72fa36c1a788 (patch) | |
tree | 65debebb2964cb4cbde4d29e15730527d686a540 /arch/arm/mach-omap2/pm.c | |
parent | 44d51a029f95d49c5c7ccd7808f81904c20c3abd (diff) | |
parent | d21872b3683ff37f73c68993749a6e6aeeaed265 (diff) | |
download | talos-obmc-linux-d71048e22f47725a5808ea2e4e1e72fa36c1a788.tar.gz talos-obmc-linux-d71048e22f47725a5808ea2e4e1e72fa36c1a788.zip |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (143 commits)
omap: mailbox: reorganize headers
omap: mailbox: standarize on 'omap-mailbox'
omap: mailbox: only compile for configured archs
omap: mailbox: simplify omap_mbox_register()
omap: mailbox: reorganize registering
omap: mailbox: add IRQ names
omap: mailbox: remove unecessary fields
omap: mailbox: don't export unecessary symbols
omap: mailbox: update omap1 probing
omap: mailbox: use correct config for omap1
omap: mailbox: 2420 should be detected at run-time
omap: mailbox: reorganize structures
omap: mailbox: trivial cleanups
omap mailbox: Set a device in logical mbox instance for traceability
omap: mailbox: convert block api to kfifo
omap: mailbox: remove (un)likely macros from cold paths
omap: mailbox cleanup: split MODULE_AUTHOR line
omap: mailbox: convert rwlocks to spinlock
Mailbox: disable mailbox interrupt when request queue
Mailbox: new mutext lock for h/w mailbox configuration
...
Diffstat (limited to 'arch/arm/mach-omap2/pm.c')
-rw-r--r-- | arch/arm/mach-omap2/pm.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c new file mode 100644 index 000000000000..68f9f2e95891 --- /dev/null +++ b/arch/arm/mach-omap2/pm.c @@ -0,0 +1,84 @@ +/* + * pm.c - Common OMAP2+ power management-related code + * + * Copyright (C) 2010 Texas Instruments, Inc. + * Copyright (C) 2010 Nokia Corporation + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/err.h> + +#include <plat/omap-pm.h> +#include <plat/omap_device.h> +#include <plat/common.h> + +static struct omap_device_pm_latency *pm_lats; + +static struct device *mpu_dev; +static struct device *dsp_dev; +static struct device *l3_dev; + +struct device *omap2_get_mpuss_device(void) +{ + WARN_ON_ONCE(!mpu_dev); + return mpu_dev; +} + +struct device *omap2_get_dsp_device(void) +{ + WARN_ON_ONCE(!dsp_dev); + return dsp_dev; +} + +struct device *omap2_get_l3_device(void) +{ + WARN_ON_ONCE(!l3_dev); + return l3_dev; +} + +/* static int _init_omap_device(struct omap_hwmod *oh, void *user) */ +static int _init_omap_device(char *name, struct device **new_dev) +{ + struct omap_hwmod *oh; + struct omap_device *od; + + oh = omap_hwmod_lookup(name); + if (WARN(!oh, "%s: could not find omap_hwmod for %s\n", + __func__, name)) + return -ENODEV; + + od = omap_device_build(oh->name, 0, oh, NULL, 0, pm_lats, 0, false); + if (WARN(IS_ERR(od), "%s: could not build omap_device for %s\n", + __func__, name)) + return -ENODEV; + + *new_dev = &od->pdev.dev; + + return 0; +} + +/* + * Build omap_devices for processors and bus. + */ +static void omap2_init_processor_devices(void) +{ + _init_omap_device("mpu", &mpu_dev); + _init_omap_device("iva", &dsp_dev); + _init_omap_device("l3_main", &l3_dev); +} + +static int __init omap2_common_pm_init(void) +{ + omap2_init_processor_devices(); + omap_pm_if_init(); + + return 0; +} +device_initcall(omap2_common_pm_init); + |