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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 10:01:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 10:01:46 -0700
commitd71048e22f47725a5808ea2e4e1e72fa36c1a788 (patch)
tree65debebb2964cb4cbde4d29e15730527d686a540 /arch/arm/mach-omap2/pm.c
parent44d51a029f95d49c5c7ccd7808f81904c20c3abd (diff)
parentd21872b3683ff37f73c68993749a6e6aeeaed265 (diff)
downloadtalos-obmc-linux-d71048e22f47725a5808ea2e4e1e72fa36c1a788.tar.gz
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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.c84
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);
+
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