sofware/liblitesdcard: enable Long Filename (LFN).

litex/soc/software/bios/boot.c

@@ -591,7 +591,7 @@ void sdcardboot(void)
 	if (result)
 		result &= copy_image_from_sdcard_to_ram("Image", MAIN_RAM_BASE + KERNEL_IMAGE_RAM_OFFSET);
 	if (result)
-		result &= copy_image_from_sdcard_to_ram("ROOTFS", MAIN_RAM_BASE + ROOTFS_IMAGE_RAM_OFFSET); /* FIXME should be rootfs.cpio */
+		result &= copy_image_from_sdcard_to_ram("rootfs.cpio", MAIN_RAM_BASE + ROOTFS_IMAGE_RAM_OFFSET);
 	f_mount(0, "", 0);
 	if (result)
 		boot(0, 0, 0, MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);

litex/soc/software/liblitesdcard/Makefile

@@ -1,7 +1,7 @@
 include ../include/generated/variables.mak
 include $(SOC_DIRECTORY)/software/common.mak
 
-OBJECTS=ff.o sdcard.o spisdcard.o
+OBJECTS=ffunicode.o ff.o sdcard.o spisdcard.o
 
 all: liblitesdcard.a
 

litex/soc/software/liblitesdcard/ffconf.h

@@ -97,7 +97,7 @@
 */
 
 
-#define FF_USE_LFN		0
+#define FF_USE_LFN		1
 #define FF_MAX_LFN		255
 /* The FF_USE_LFN switches the support for LFN (long file name).
 /