Mirrors/u-boot
1
0
Fork 0
mirror of https://source.denx.de/u-boot/u-boot.git synced 2026-06-13 15:03:58 +03:00
Code Issues Packages Projects Releases Wiki Activity

expo: cedit: Support writing settings to CMOS RAM

Browse Source 
Add a command to write cedit settings to CMOS RAM so that it can be
preserved across a reboot. This uses a simple bit-encoding, where each
field has a 'bit position' and a 'bit length' in the schema.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-08-14 16:40:37 -06:00
committed by Tom Rini
parent bcf2b7202e
commit eb6c71b562
9 changed files with 266 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/cedit.h
View File

@@ -97,4 +97,17 @@ int cedit_write_settings_env(struct expo *exp, bool verbose);
*/
int cedit_read_settings_env(struct expo *exp, bool verbose);
/**
* cedit_write_settings_cmos() - Write settings to CMOS RAM
*
* Write settings to the defined places in CMOS RAM
*
* @exp: Expo to write settings from
* @dev: UCLASS_RTC device containing space for this information
* Returns 0 if OK, -ve on error
* @verbose: true to print a summary at the end
*/
int cedit_write_settings_cmos(struct expo *exp, struct udevice *dev,
bool verbose);
#endif /* __CEDIT_H */

6
include/expo.h
View File

@@ -187,6 +187,8 @@ enum scene_obj_flags_t {
* @type: Type of this object
* @dim: Dimensions for this object
* @flags: Flags for this object
* @bit_length: Number of bits used for this object in CMOS RAM
* @start_bit: Start bit to use for this object in CMOS RAM
* @sibling: Node to link this object to its siblings
*/
struct scene_obj {
@@ -195,7 +197,9 @@ struct scene_obj {
uint id;
enum scene_obj_t type;
struct scene_dim dim;
int flags;
u8 flags;
u8 bit_length;
u16 start_bit;
struct list_head sibling;
};