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>
diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 96d9ae7..b8d015f 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/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;
@@ -394,6 +421,8 @@
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);