diff options
Diffstat (limited to 'boot/vbe_common.h')
| -rw-r--r-- | boot/vbe_common.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/boot/vbe_common.h b/boot/vbe_common.h index 84117815a19..493cbdc3694 100644 --- a/boot/vbe_common.h +++ b/boot/vbe_common.h @@ -9,6 +9,8 @@ #ifndef __VBE_COMMON_H #define __VBE_COMMON_H +#include <dm/ofnode_decl.h> +#include <linux/bitops.h> #include <linux/types.h> struct spl_image_info; @@ -39,6 +41,40 @@ enum { }; /** + * enum vbe_try_result - result of trying a firmware pick + * + * @VBETR_UNKNOWN: Unknown / invalid result + * @VBETR_TRYING: Firmware pick is being tried + * @VBETR_OK: Firmware pick is OK and can be used from now on + * @VBETR_BAD: Firmware pick is bad and should be removed + */ +enum vbe_try_result { + VBETR_UNKNOWN, + VBETR_TRYING, + VBETR_OK, + VBETR_BAD, +}; + +/** + * enum vbe_flags - flags controlling operation + * + * @VBEF_TRY_COUNT_MASK: mask for the 'try count' value + * @VBEF_TRY_B: Try the B slot + * @VBEF_RECOVERY: Use recovery slot + */ +enum vbe_flags { + VBEF_TRY_COUNT_MASK = 0x3, + VBEF_TRY_B = BIT(2), + VBEF_RECOVERY = BIT(3), + + VBEF_RESULT_SHIFT = 4, + VBEF_RESULT_MASK = 3 << VBEF_RESULT_SHIFT, + + VBEF_PICK_SHIFT = 6, + VBEF_PICK_MASK = 3 << VBEF_PICK_SHIFT, +}; + +/** * struct vbe_nvdata - basic storage format for non-volatile data * * This is used for all VBE methods @@ -134,4 +170,11 @@ int vbe_read_fit(struct udevice *blk, ulong area_offset, ulong area_size, struct spl_image_info *image, ulong *load_addrp, ulong *lenp, char **namep); +/** + * vbe_get_node() - Get the node containing the VBE settings + * + * Return: VBE node (typically "/bootstd/firmware0") + */ +ofnode vbe_get_node(void); + #endif /* __VBE_ABREC_H */ |