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authorTom Rini <[email protected]>2019-10-08 18:45:26 -0400
committerTom Rini <[email protected]>2019-10-08 18:45:26 -0400
commitefea5a34bb5be542630ce7161bd3b9cc26a0bcf3 (patch)
treefb747d83d81f9c3400a561782114e4c6ecd61a07 /include/spl.h
parent9d536fe8ae7672bdee091f9100389b6f3e53cfc6 (diff)
parentcc2d27dcdc3e1c76d09d54015e3992380bd7e0fa (diff)
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- Rename existing FSP code to fsp1 - Add fsp2 directory in preparation to support FSP 2.0 - Various x86 platform codes update - Various bug fixes and updates in dm core, sandbox and spl
Diffstat (limited to 'include/spl.h')
-rw-r--r--include/spl.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/include/spl.h b/include/spl.h
index e4640f3830b..c7cc2b0767c 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -49,6 +49,72 @@ static inline bool u_boot_first_phase(void)
return false;
}
+enum u_boot_phase {
+ PHASE_TPL, /* Running in TPL */
+ PHASE_SPL, /* Running in SPL */
+ PHASE_BOARD_F, /* Running in U-Boot before relocation */
+ PHASE_BOARD_R, /* Running in U-Boot after relocation */
+};
+
+/**
+ * spl_phase() - Find out the phase of U-Boot
+ *
+ * This can be used to avoid #ifdef logic and use if() instead.
+ *
+ * For example, to include code only in TPL, you might do:
+ *
+ * #ifdef CONFIG_TPL_BUILD
+ * ...
+ * #endif
+ *
+ * but with this you can use:
+ *
+ * if (spl_phase() == PHASE_TPL) {
+ * ...
+ * }
+ *
+ * To include code only in SPL, you might do:
+ *
+ * #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD)
+ * ...
+ * #endif
+ *
+ * but with this you can use:
+ *
+ * if (spl_phase() == PHASE_SPL) {
+ * ...
+ * }
+ *
+ * To include code only in U-Boot proper, you might do:
+ *
+ * #ifndef CONFIG_SPL_BUILD
+ * ...
+ * #endif
+ *
+ * but with this you can use:
+ *
+ * if (spl_phase() == PHASE_BOARD_F) {
+ * ...
+ * }
+ *
+ * @return U-Boot phase
+ */
+static inline enum u_boot_phase spl_phase(void)
+{
+#ifdef CONFIG_TPL_BUILD
+ return PHASE_TPL;
+#elif CONFIG_SPL_BUILD
+ return PHASE_SPL;
+#else
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (!(gd->flags & GD_FLG_RELOC))
+ return PHASE_BOARD_F;
+ else
+ return PHASE_BOARD_R;
+#endif
+}
+
/* A string name for SPL or TPL */
#ifdef CONFIG_SPL_BUILD
# ifdef CONFIG_TPL_BUILD