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 96d9ae7f1dc89114c069221d8254467a421461ba..b8d015f3e53429e6ab3b148f59c8eb259d593b10 100644 (file)
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -368,6 +368,33 @@ 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;
@@ -394,6 +421,8 @@ 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);