[PATCH 2/5] of_live: support in SPL

[michael.srba at seznam.cz]

From: Michael Srba <Michael.Srba at seznam.cz>

Add CONFIG_SPL_OF_LIVE and if set, initialize of_live in spl.c

Signed-off-by: Michael Srba <Michael.Srba at seznam.cz>
---
 common/spl/spl.c | 10 ++++++++++
 dts/Kconfig      |  5 +++++
 lib/Makefile     |  2 +-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/common/spl/spl.c b/common/spl/spl.c
index fd915d9564b..84bd0f1ae20 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -17,6 +17,7 @@
 #include <irq_func.h>
 #include <log.h>
 #include <mapmem.h>
+#include <of_live.h>
 #include <serial.h>
 #include <spl.h>
 #include <spl_load.h>
@@ -510,6 +511,15 @@ static int spl_common_init(bool setup_malloc)
 			return ret;
 		}
 	}
+	if (CONFIG_IS_ENABLED(OF_LIVE)) {
+		ret = of_live_build(gd->fdt_blob,
+				    (struct device_node **)gd_of_root_ptr());
+		if (ret) {
+			debug("of_live_build() returned error %d\n", ret);
+			return ret;
+		}
+	}
+
 	if (CONFIG_IS_ENABLED(DM)) {
 		bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
 				xpl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
diff --git a/dts/Kconfig b/dts/Kconfig
index af8d30b45ab..f3472c9c0e8 100644
--- a/dts/Kconfig
+++ b/dts/Kconfig
@@ -86,6 +86,11 @@ config OF_LIVE
 	  enables a live tree which is available after relocation,
 	  and can be adjusted as needed.
 
+config SPL_OF_LIVE
+	bool "Enable use of a live tree in SPL"
+	depends on SPL_DM && SPL_OF_CONTROL
+
+
 config OF_UPSTREAM
 	bool "Enable use of devicetree imported from Linux kernel release"
 	depends on !COMPILE_TEST
diff --git a/lib/Makefile b/lib/Makefile
index 70667f3728c..fcceba9fef3 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_FWU_MULTI_BANK_UPDATE) += fwu_updates/
 obj-$(CONFIG_LZMA) += lzma/
 obj-$(CONFIG_BZIP2) += bzip2/
 obj-$(CONFIG_FIT) += libfdt/
-obj-$(CONFIG_OF_LIVE) += of_live.o
 obj-$(CONFIG_CMD_DHRYSTONE) += dhry/
 obj-$(CONFIG_ARCH_AT91) += at91/
 obj-$(CONFIG_OPTEE_LIB) += optee/
@@ -55,6 +54,7 @@ obj-$(CONFIG_BITREVERSE) += bitrev.o
 obj-y += list_sort.o
 endif
 
+obj-$(CONFIG_$(PHASE_)OF_LIVE) += of_live.o
 obj-$(CONFIG_$(PHASE_)TPM) += tpm-common.o
 ifeq ($(CONFIG_$(PHASE_)TPM),y)
 obj-$(CONFIG_TPM) += tpm_api.o

-- 
2.53.0