From 25cd7053e10c7569dc8394acfbdfd754794b84a9 Mon Sep 17 00:00:00 2001
From: Ashish Kumar <Ashish.Kumar@nxp.com>
Date: Tue, 12 Sep 2017 10:45:45 +0530
Subject: board/ls1088: Add fsl_fdt_fixup_flash

IFC-NOR and QSPI-NOR signals are muxed on SoC to save pins

Add fsl_fdt_fixup_flash()
-To disable IFC-NOR node in dts if QSPI is enabled and vice-versa

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>

diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 8b1e592..f087799 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -491,6 +491,33 @@ void fdt_fixup_board_enet(void *fdt)
 #endif
 
 #ifdef CONFIG_OF_BOARD_SETUP
+void fsl_fdt_fixup_flash(void *fdt)
+{
+	int offset;
+
+/*
+ * IFC-NOR and QSPI are muxed on SoC.
+ * So disable IFC node in dts if QSPI is enabled or
+ * disable QSPI node in dts in case QSPI is not enabled.
+ */
+
+#ifdef CONFIG_FSL_QSPI
+	offset = fdt_path_offset(fdt, "/soc/ifc/nor");
+
+	if (offset < 0)
+		offset = fdt_path_offset(fdt, "/ifc/nor");
+#else
+	offset = fdt_path_offset(fdt, "/soc/quadspi");
+
+	if (offset < 0)
+		offset = fdt_path_offset(fdt, "/quadspi");
+#endif
+	if (offset < 0)
+		return;
+
+	fdt_status_disabled(fdt, offset);
+}
+
 int ft_board_setup(void *blob, bd_t *bd)
 {
 	int err, i;
@@ -517,6 +544,8 @@ int ft_board_setup(void *blob, bd_t *bd)
 
 	fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
 
+	fsl_fdt_fixup_flash(blob);
+
 #ifdef CONFIG_FSL_MC_ENET
 	fdt_fixup_board_enet(blob);
 	err = fsl_mc_ldpaa_exit(bd);
-- 
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