[PATCH 15/20] x86: coral: Move fsp-m settings to a subnode

[Simon Glass]

At present these settings are in the node for host-bridge and so are
visible in TPL as well as SPL. But they are only used for SPL.

Move them to a subnode so that TPL does not included them.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/x86/cpu/apollolake/fsp_m.c   | 5 ++++-
 arch/x86/dts/chromebook_coral.dts | 5 +++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/x86/cpu/apollolake/fsp_m.c b/arch/x86/cpu/apollolake/fsp_m.c
index cef937573b0..c6be707e4ea 100644
--- a/arch/x86/cpu/apollolake/fsp_m.c
+++ b/arch/x86/cpu/apollolake/fsp_m.c
@@ -32,7 +32,10 @@ int fspm_update_config(struct udevice *dev, struct fspm_upd *upd)
 
 	node = dev_ofnode(dev);
 	if (!ofnode_valid(node))
-		return log_msg_ret("fsp-m settings", -ENOENT);
+		return log_msg_ret("node", -ENOENT);
+	node = ofnode_find_subnode(node, "fsp-m");
+	if (!ofnode_valid(node))
+		return log_msg_ret("fspm", -ENOENT);
 
 	ret = fsp_m_update_config_from_dtb(node, cfg);
 	if (ret)
diff --git a/arch/x86/dts/chromebook_coral.dts b/arch/x86/dts/chromebook_coral.dts
index d66e128ae62..3c8fdf23809 100644
--- a/arch/x86/dts/chromebook_coral.dts
+++ b/arch/x86/dts/chromebook_coral.dts
@@ -174,6 +174,9 @@
 			 */
 			fsp_s: fsp-s {
 			};
+			fsp_m: fsp-m {
+				u-boot,dm-spl;
+			};
 
 			nhlt {
 				intel,dmic-channels = <4>;
@@ -650,7 +653,9 @@
 		PAD_CFG_NF(LPC_CLKRUNB, UP_20K, DEEP, NF1) /* LPC_CLKRUN_N */
 		PAD_CFG_NF(LPC_FRAMEB, NATIVE, DEEP, NF1) /* LPC_FRAME_N */
 		>;
+};
 
+&fsp_m {
 	fspm,package = <PACKAGE_BGA>;
 	fspm,profile = <PROFILE_LPDDR4_2400_24_22_22>;
 	fspm,memory-down = <MEMORY_DOWN_YES>;
-- 
2.29.2.684.gfbc64c5ab5-goog