diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/dm/ofnode.h | 14 | ||||
-rw-r--r-- | include/env_default.h | 6 | ||||
-rw-r--r-- | include/serial.h | 7 |
3 files changed, 24 insertions, 3 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 19e97a9032..5795115c49 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -977,12 +977,22 @@ const char *ofnode_read_chosen_string(const char *propname); ofnode ofnode_get_chosen_node(const char *propname); /** - * ofnode_read_aliases_prop() - get the value of a aliases property + * ofnode_read_baud() - get the baudrate from string value of chosen property * - * This looks for a property within the /aliases node and returns its value + * This looks for stdout-path property within the /chosen node and parses its + * value to return baudrate. * * This only works with the control FDT. * + * Return: baudrate value if found, else -ve error code + */ +int ofnode_read_baud(void); + +/** + * ofnode_read_aliases_prop() - get the value of a aliases property + * + * This looks for a property within the /aliases node and returns its value + * * @propname: Property name to look for * @sizep: Returns size of property, or `FDT_ERR_...` error code if function * returns NULL diff --git a/include/env_default.h b/include/env_default.h index 227cad7c34..2ca4a087d3 100644 --- a/include/env_default.h +++ b/include/env_default.h @@ -42,7 +42,7 @@ const char default_environment[] = { #if defined(CONFIG_BOOTDELAY) "bootdelay=" __stringify(CONFIG_BOOTDELAY) "\0" #endif -#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0) +#if !defined(CONFIG_OF_SERIAL_BAUD) && defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0) "baudrate=" __stringify(CONFIG_BAUDRATE) "\0" #endif #ifdef CONFIG_LOADS_ECHO @@ -119,6 +119,10 @@ const char default_environment[] = { #ifdef CFG_EXTRA_ENV_SETTINGS CFG_EXTRA_ENV_SETTINGS #endif +#ifdef CONFIG_OF_SERIAL_BAUD + /* Padding for baudrate at the end when environment is writable */ + "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" +#endif "\0" #else /* CONFIG_USE_DEFAULT_ENV_FILE */ #include "generated/defaultenv_autogenerated.h" diff --git a/include/serial.h b/include/serial.h index 205889d28b..d129dc3253 100644 --- a/include/serial.h +++ b/include/serial.h @@ -339,6 +339,13 @@ int serial_setconfig(struct udevice *dev, uint config); */ int serial_getinfo(struct udevice *dev, struct serial_device_info *info); +/** + * fetch_baud_from_dtb() - Fetch the baudrate value from DT + * + * Return: baudrate if OK, -ve on error + */ +int fetch_baud_from_dtb(void); + void atmel_serial_initialize(void); void mcf_serial_initialize(void); void mpc85xx_serial_initialize(void); |