From ee22330e81ae0022dd79b9b9d575b3eff589084c Mon Sep 17 00:00:00 2001
From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Date: Wed, 31 May 2023 18:02:17 +0300
Subject: [PATCH] board: fsl: lx2160ardb: add api for obtaining board revision

Add new API for obtaining board revision and trigger the i2c node
fixup with this new API.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 board/freescale/lx2160a/lx2160a.c | 15 ++++++++++-----
 board/freescale/lx2160a/lx2160a.h |  9 +++++++++
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 2a752054cd..4d406ac8f1 100644
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -487,6 +487,15 @@ int config_board_mux(void)
 }
 #endif
 
+#if IS_ENABLED(CONFIG_TARGET_LX2160ARDB)
+u8 get_board_rev(void)
+{
+	u8 board_rev = (QIXIS_READ(arch) & 0xf) - 1 + 'A';
+
+	return board_rev;
+}
+#endif
+
 unsigned long get_board_sys_clk(void)
 {
 #if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS)
@@ -760,9 +769,6 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	u64 mc_memory_size = 0;
 	u16 total_memory_banks;
 	int err;
-#if IS_ENABLED(CONFIG_TARGET_LX2160ARDB)
-	u8 board_rev;
-#endif
 
 	err = fdt_increase_size(blob, 512);
 	if (err) {
@@ -825,8 +831,7 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	fdt_fixup_icid(blob);
 
 #if IS_ENABLED(CONFIG_TARGET_LX2160ARDB)
-	board_rev = (QIXIS_READ(arch) & 0xf) - 1 + 'A';
-	if (board_rev == 'C')
+	if (get_board_rev() == 'C')
 		fdt_fixup_i2c_thermal_node(blob);
 #endif
 
diff --git a/board/freescale/lx2160a/lx2160a.h b/board/freescale/lx2160a/lx2160a.h
index 52b020765d..13673fca38 100644
--- a/board/freescale/lx2160a/lx2160a.h
+++ b/board/freescale/lx2160a/lx2160a.h
@@ -58,4 +58,13 @@
 #endif
 #endif
 
+#if IS_ENABLED(CONFIG_TARGET_LX2160ARDB)
+u8 get_board_rev(void);
+#else
+static inline u8 get_board_rev(void)
+{
+	return 0;
+}
+#endif
+
 #endif /* __LX2160_H */
-- 
2.39.5