spl: fdt: support for fdt fixup for falcon boot

Adding support for fdt fixup to update the
memory node in device tree for falcon boot.

This is needed for single stage or falcon
bootmode, to pass memory configuration to
kernel through DT memory node.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>

arch/arm/lib/Makefile

@@ -33,6 +33,7 @@ obj-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
 else
 obj-$(CONFIG_SPL_FRAMEWORK) += spl.o
 obj-$(CONFIG_SPL_FRAMEWORK) += zimage.o
+obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
 endif
 obj-$(CONFIG_$(SPL_)USE_ARCH_MEMSET) += memset.o
 obj-$(CONFIG_$(SPL_)USE_ARCH_MEMCPY) += memcpy.o

arch/arm/lib/bootm-fdt.c

@@ -27,8 +27,10 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int arch_fixup_fdt(void *blob)
 {
+	int ret = 0;
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
 	bd_t *bd = gd->bd;
-	int bank, ret;
+	int bank;
 	u64 start[CONFIG_NR_DRAM_BANKS];
 	u64 size[CONFIG_NR_DRAM_BANKS];
 
@@ -42,9 +44,11 @@ int arch_fixup_fdt(void *blob)
 #endif
 	}
 
+#ifdef CONFIG_OF_LIBFDT
 	ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
 	if (ret)
 		return ret;
+#endif
 
 #ifdef CONFIG_ARMV8_SPIN_TABLE
 	ret = spin_table_update_dt(blob);
@@ -58,6 +62,7 @@ int arch_fixup_fdt(void *blob)
 	if (ret)
 		return ret;
 #endif
+#endif
 
 	return 0;
 }

common/Makefile

@@ -95,7 +95,7 @@ obj-$(CONFIG_SPL_HASH_SUPPORT) += hash.o
 obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
 obj-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
 obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
-obj-$(CONFIG_SPL_OF_TRANSLATE) += fdt_support.o
+obj-$(CONFIG_SPL_OF_LIBFDT) += fdt_support.o
 ifdef CONFIG_SPL_USB_HOST_SUPPORT
 obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o
 obj-$(CONFIG_USB_STORAGE) += usb_storage.o