diff options
Diffstat (limited to 'include/spl.h')
| -rw-r--r-- | include/spl.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/spl.h b/include/spl.h index 9a439f468b..ee92832f0a 100644 --- a/include/spl.h +++ b/include/spl.h @@ -11,6 +11,7 @@ /* Platform-specific defines */ #include <linux/compiler.h> #include <asm/spl.h> +#include <handoff.h> /* Value in r0 indicates we booted from U-Boot */ #define UBOOT_NOT_LOADED_FROM_SPL 0x13578642 @@ -21,6 +22,46 @@ #define MMCSD_MODE_FS 2 #define MMCSD_MODE_EMMCBOOT 3 +/* + * u_boot_first_phase() - check if this is the first U-Boot phase + * + * U-Boot has up to three phases: TPL, SPL and U-Boot proper. Depending on the + * build flags we can determine whether the current build is for the first + * phase of U-Boot or not. If there is no SPL, then this is U-Boot proper. If + * there is SPL but no TPL, the the first phase is SPL. If there is TPL, then + * it is the first phase. + * + * @returns true if this is the first phase of U-Boot + * + */ +static inline bool u_boot_first_phase(void) +{ + if (IS_ENABLED(CONFIG_TPL)) { + if (IS_ENABLED(CONFIG_TPL_BUILD)) + return true; + } else if (IS_ENABLED(CONFIG_SPL)) { + if (IS_ENABLED(CONFIG_SPL_BUILD)) + return true; + } else { + return true; + } + + return false; +} + +/* A string name for SPL or TPL */ +#ifdef CONFIG_SPL_BUILD +# ifdef CONFIG_TPL_BUILD +# define SPL_TPL_NAME "tpl" +# else +# define SPL_TPL_NAME "spl" +# endif +# define SPL_TPL_PROMPT SPL_TPL_NAME ": " +#else +# define SPL_TPL_NAME "" +# define SPL_TPL_PROMPT "" +#endif + struct spl_image_info { const char *name; u8 os; |