diff options
Diffstat (limited to 'Documentation/arm/firmware.txt')
| -rw-r--r-- | Documentation/arm/firmware.txt | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/Documentation/arm/firmware.txt b/Documentation/arm/firmware.txt index c2e468fe7b0b..da6713adac8a 100644 --- a/Documentation/arm/firmware.txt +++ b/Documentation/arm/firmware.txt @@ -7,32 +7,14 @@ world, which changes the way some things have to be initialized. This makes a need to provide an interface for such platforms to specify available firmware operations and call them when needed. -Firmware operations can be specified using struct firmware_ops - - struct firmware_ops { - /* - * Enters CPU idle mode - */ - int (*do_idle)(void); - /* - * Sets boot address of specified physical CPU - */ - int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr); - /* - * Boots specified physical CPU - */ - int (*cpu_boot)(int cpu); - /* - * Initializes L2 cache - */ - int (*l2x0_init)(void); - }; - -and then registered with register_firmware_ops function +Firmware operations can be specified by filling in a struct firmware_ops +with appropriate callbacks and then registering it with register_firmware_ops() +function. void register_firmware_ops(const struct firmware_ops *ops) -the ops pointer must be non-NULL. +The ops pointer must be non-NULL. More information about struct firmware_ops +and its members can be found in arch/arm/include/asm/firmware.h header. There is a default, empty set of operations provided, so there is no need to set anything if platform does not require firmware operations. |