armv8: 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> Reviewed-by: York Sun <york.sun@nxp.com>

armv8: 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> Reviewed-by: York Sun <york.sun@nxp.com>
Ashish Kumar · York Sun
1 parent 2557c5a942
Showing 1 changed file with 29 additions and 0 deletions Side-by-side Diff
board/freescale/ls1088a/ls1088a.c
@@ -368,6 +368,33 @@
 #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;
@@ -393,6 +420,8 @@
 #endif
  
 	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);
...	...	@@ -368,6 +368,33 @@
368	368	#endif
369	369
370	370	#ifdef CONFIG_OF_BOARD_SETUP
	371	+void fsl_fdt_fixup_flash(void *fdt)
	372	+{
	373	+ int offset;
	374	+
	375	+/*
	376	+ * IFC-NOR and QSPI are muxed on SoC.
	377	+ * So disable IFC node in dts if QSPI is enabled or
	378	+ * disable QSPI node in dts in case QSPI is not enabled.
	379	+ */
	380	+
	381	+#ifdef CONFIG_FSL_QSPI
	382	+ offset = fdt_path_offset(fdt, "/soc/ifc/nor");
	383	+
	384	+ if (offset < 0)
	385	+ offset = fdt_path_offset(fdt, "/ifc/nor");
	386	+#else
	387	+ offset = fdt_path_offset(fdt, "/soc/quadspi");
	388	+
	389	+ if (offset < 0)
	390	+ offset = fdt_path_offset(fdt, "/quadspi");
	391	+#endif
	392	+ if (offset < 0)
	393	+ return;
	394	+
	395	+ fdt_status_disabled(fdt, offset);
	396	+}
	397	+
371	398	int ft_board_setup(void blob, bd_t bd)
372	399	{
373	400	int err, i;
...	...	@@ -393,6 +420,8 @@
393	420	#endif
394	421
395	422	fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
	423	+
	424	+ fsl_fdt_fixup_flash(blob);
396	425
397	426	#ifdef CONFIG_FSL_MC_ENET
398	427	fdt_fixup_board_enet(blob);