diff options
| author | Nico Huber <nico.huber@secunet.com> | 2012-07-25 10:33:05 +0200 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-11-27 09:16:03 +0100 |
| commit | acd7d952514485dbc41fa04b0d16be4002e31019 (patch) | |
| tree | 97087133cd567818e9d6e2659a1e98b876155b9b /src/devices | |
| parent | e820e5cb3aed810fa9ba6047ce9b8bf352335e32 (diff) | |
Add initialization hook for chips
Add an init() function to the chip_operations which will be called
before bus enumeration. This allows to disable unused devices before
they get enumerated.
Change-Id: I63dd9cbfc7b5995ccafb7bf7a81dc71fc67906a0
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1623
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Marc Jones <marcj303@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/devices')
| -rw-r--r-- | src/devices/device.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/devices/device.c b/src/devices/device.c index f021c9b3a3..03e7ea7c63 100644 --- a/src/devices/device.c +++ b/src/devices/device.c @@ -52,6 +52,26 @@ extern struct device *last_dev; /** Linked list of free resources */ struct resource *free_resources = NULL; +/** + * Initialize all chips of statically known devices. + * + * Will be called before bus enumeration to initialize chips stated in the + * device tree. + */ +void dev_initialize_chips(void) +{ + struct device *dev; + + for (dev = all_devices; dev; dev = dev->next) { + /* Initialize chip if we haven't yet. */ + if (dev->chip_ops && dev->chip_ops->init && + !dev->chip_ops->initialized) { + dev->chip_ops->init(dev->chip_info); + dev->chip_ops->initialized = 1; + } + } +} + DECLARE_SPIN_LOCK(dev_lock) #if CONFIG_GFXUMA |