diff --git a/common/Makefile b/common/Makefile
index 53859d8..ad5146a 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -29,8 +29,9 @@
 obj-$(CONFIG_ENV_HANDLING)	+= environment.o envfs-core.o
 obj-$(CONFIG_DEFAULT_ENVIRONMENT) += envfs-core.o
 obj-$(CONFIG_ENVIRONMENT_VARIABLES) += env.o
-obj-$(CONFIG_FILETYPE)		+= filetype.o
+obj-pbl-$(CONFIG_FILETYPE)	+= filetype.o
 CFLAGS_filetype.o = -I$(srctree)/arch/
+CFLAGS_filetype.pbl.o = -I$(srctree)/arch/
 obj-$(CONFIG_FLEXIBLE_BOOTARGS)	+= bootargs.o
 obj-$(CONFIG_GLOBALVAR)		+= globalvar.o
 obj-$(CONFIG_GREGORIAN_CALENDER) += date.o
diff --git a/fs/Makefile b/fs/Makefile
index f13dc97..fa95094 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -4,7 +4,7 @@
 obj-y			+= devfs-core.o
 obj-$(CONFIG_FS_LEGACY) += legacy.o
 obj-$(CONFIG_FS_DEVFS)	+= devfs.o
-obj-$(CONFIG_FS_FAT)	+= fat/
+obj-pbl-$(CONFIG_FS_FAT)	+= fat/
 obj-y	+= fs.o libfs.o
 obj-$(CONFIG_FS_JFFS2)	+= jffs2/
 obj-$(CONFIG_FS_UBIFS)	+= ubifs/
diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig
index b1def85..bc3b4b6 100644
--- a/fs/fat/Kconfig
+++ b/fs/fat/Kconfig
@@ -8,9 +8,16 @@
 config FS_FAT_WRITE
 	bool
 	prompt "FAT write support"
+	help
+	  Enable support for writing in FAT partitions.
+	  Note: This doesn't apply to FAT usage in barebox PBL.
+
 
 config FS_FAT_LFN
 	bool
 	prompt "Support long filenames"
+	help
+	  Enable support for file names other than 8.3.
+	  Note: This doesn't apply to FAT usage in barebox PBL.
 
 endif
diff --git a/fs/fat/Makefile b/fs/fat/Makefile
index efc89ec..fe47569 100644
--- a/fs/fat/Makefile
+++ b/fs/fat/Makefile
@@ -1 +1,3 @@
-obj-y += ff.o fat.o
+obj-y += fat.o
+pbl-y += fat-pbl.o
+obj-pbl-y += ff.o fat-diskio.o
diff --git a/fs/fat/diskio.h b/fs/fat/diskio.h
index f0d29dc..aee1ce2 100644
--- a/fs/fat/diskio.h
+++ b/fs/fat/diskio.h
@@ -4,7 +4,12 @@
 
 #ifndef _DISKIO
 
-#define _READONLY	0	/* 1: Remove write functions */
+#ifdef __PBL__
+#define _READONLY	1	/* 1: Remove write functions */
+#else
+#define _READONLY	0
+#endif
+
 #define _USE_IOCTL	1	/* 1: Use disk_ioctl fucntion */
 
 #include "integer.h"
diff --git a/fs/fat/fat-diskio.c b/fs/fat/fat-diskio.c
new file mode 100644
index 0000000..aa16d3b
--- /dev/null
+++ b/fs/fat/fat-diskio.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * fat.c - FAT filesystem barebox driver
+ *
+ * Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ */
+
+#include <common.h>
+#include <linux/ctype.h>
+#include "integer.h"
+#include "ff.h"
+#include "diskio.h"
+
+DSTATUS disk_status(FATFS *fat)
+{
+	return 0;
+}
+
+DWORD get_fattime(void)
+{
+	return 0;
+}
+
+DRESULT disk_ioctl (FATFS *fat, BYTE command, void *buf)
+{
+	return 0;
+}
+
+WCHAR ff_convert(WCHAR src, UINT dir)
+{
+	if (src <= 0x80)
+		return src;
+	else
+		return '?';
+}
+
+WCHAR ff_wtoupper(WCHAR chr)
+{
+	if (chr <= 0x80)
+		return toupper(chr);
+	else
+		return '?';
+}
diff --git a/fs/fat/fat-pbl.c b/fs/fat/fat-pbl.c
new file mode 100644
index 0000000..93cd6de
--- /dev/null
+++ b/fs/fat/fat-pbl.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * fat-pbl.c - PBL FAT filesystem barebox driver
+ *
+ * Copyright (c) 2019 Ahmad Fatoum, Pengutronix
+ */
+
+#define pr_fmt(fmt) "fat-pbl: " fmt
+
+#include <common.h>
+#include "integer.h"
+#include "ff.h"
+#include "diskio.h"
+#include "pbl.h"
+
+DRESULT disk_read(FATFS *fat, BYTE *buf, DWORD sector, BYTE count)
+{
+	int ret = pbl_bio_read(fat->userdata, sector, buf, count);
+	return ret != count ? ret : 0;
+}
+
+ssize_t pbl_fat_load(struct pbl_bio *bio, const char *filename, void *dest, size_t len)
+{
+	FATFS	fs = {};
+	FIL	file = {};
+	UINT	nread;
+	int	ret;
+
+	fs.userdata = bio;
+
+	/* mount fs */
+	ret = f_mount(&fs);
+	if (ret) {
+		pr_debug("f_mount(%s) failed: %d\n", filename, ret);
+		return ret;
+	}
+
+	ret = f_open(&fs, &file, filename, FA_OPEN_EXISTING | FA_READ);
+	if (ret) {
+		pr_debug("f_open(%s) failed: %d\n", filename, ret);
+		return ret;
+	}
+
+	pr_debug("Reading file %s to 0x%p\n", filename, dest);
+
+	ret = f_read(&file, dest, len, &nread);
+	if (ret) {
+		pr_debug("f_read failed: %d\n", ret);
+		return ret;
+	}
+
+	return f_size(&file) <= len ? nread : -ENOSPC;
+}
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index c2da0ad..84bfe69 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -65,37 +65,6 @@
 	return 0;
 }
 
-DSTATUS disk_status(FATFS *fat)
-{
-	return 0;
-}
-
-DWORD get_fattime(void)
-{
-	return 0;
-}
-
-DRESULT disk_ioctl (FATFS *fat, BYTE command, void *buf)
-{
-	return 0;
-}
-
-WCHAR ff_convert(WCHAR src, UINT dir)
-{
-	if (src <= 0x80)
-		return src;
-	else
-		return '?';
-}
-
-WCHAR ff_wtoupper(WCHAR chr)
-{
-	if (chr <= 0x80)
-		return toupper(chr);
-	else
-		return '?';
-}
-
 /* ---------------------------------------------------------------*/
 
 #ifdef CONFIG_FS_FAT_WRITE
diff --git a/fs/fat/ff.c b/fs/fat/ff.c
index 4d30433..c8d57ce 100644
--- a/fs/fat/ff.c
+++ b/fs/fat/ff.c
@@ -96,6 +96,7 @@
 #include <filetype.h>
 #include "ff.h"			/* FatFs configurations and declarations */
 #include "diskio.h"		/* Declarations of low level disk I/O functions */
+#include <pbl.h>
 
 #if _FATFS != 8237
 #error Wrong include file (ff.h).
@@ -214,7 +215,7 @@
 #define	DDE			0xE5	/* Deleted directory enrty mark in DIR_Name[0] */
 #define	NDDE			0x05	/* Replacement of a character collides with DDE */
 
-#ifndef CONFIG_FS_FAT_LFN
+#ifndef FS_FAT_LFN
 #define	DEF_NAMEBUF		BYTE sfn[12]
 #define INIT_BUF(dobj)		(dobj).fn = sfn
 #define	FREE_BUF()
@@ -250,7 +251,7 @@
 
 	wsect = fs->winsect;
 	if (wsect != sector) {	/* Changed current window */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 		if (fs->wflag) {	/* Write back dirty window if needed */
 			if (disk_write(fs, fs->win, wsect, 1) != RES_OK)
 				return -EIO;
@@ -277,7 +278,7 @@
 /*
  * Clean-up cached data
  */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 static
 int sync (	/* 0: successful, -EIO: failed */
 	FATFS *fs	/* File system object */
@@ -372,7 +373,7 @@
 /*
  * FAT access - Change value of a FAT entry
  */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 
 static int put_fat (
 	FATFS *fs,	/* File system object */
@@ -431,7 +432,7 @@
 
 	return res;
 }
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
 
 
 
@@ -439,7 +440,7 @@
 /*
  * FAT handling - Remove a cluster chain
  */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 static
 int remove_chain (
 	FATFS *fs,			/* File system object */
@@ -506,7 +507,7 @@
 /*
  * FAT handling - Stretch or Create a cluster chain
  */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 static
 DWORD create_chain (	/* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
 	FATFS *fs,	/* File system object */
@@ -566,7 +567,7 @@
 
 	return ncl; /* Return new cluster number or error code */
 }
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
 
 /*
  * Directory handling - Set directory index
@@ -657,7 +658,7 @@
 					return -EIO;
 
 				if (clst >= dj->fs->n_fatent) {	/* When it reached end of dynamic table */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 					BYTE c;
 
 					if (!stretch)
@@ -708,7 +709,7 @@
 /*
  * LFN handling - Test/Pick/Fit an LFN segment from/to directory entry
  */
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 
 /* Offset of LFN chars in the directory entry */
 static const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30};
@@ -784,7 +785,7 @@
 }
 
 
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 static
 void fit_lfn (
 	const WCHAR *lfnbuf,	/* Pointer to the LFN buffer */
@@ -824,7 +825,7 @@
 /*
  * Create numbered name
  */
-#if defined(CONFIG_FS_FAT_LFN) && defined(CONFIG_FS_FAT_WRITE)
+#if defined(FS_FAT_LFN) && defined(FS_FAT_WRITE)
 static void gen_numname (
 	BYTE *dst,		/* Pointer to generated SFN */
 	const BYTE *src,	/* Pointer to source SFN to be modified */
@@ -874,7 +875,7 @@
 /*
  * Calculate sum of an SFN
  */
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 static BYTE sum_sfn (
 	const BYTE *dir		/* Ptr to directory entry */
 )
@@ -897,7 +898,7 @@
 {
 	int res;
 	BYTE c, *dir;
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	BYTE a, ord, sum;
 #endif
 
@@ -905,7 +906,7 @@
 	if (res != 0)
 		return res;
 
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	ord = sum = 0xFF;
 #endif
 	do {
@@ -919,7 +920,7 @@
 			res = -ENOENT;
 			break;
 		}
-#ifdef CONFIG_FS_FAT_LFN	/* LFN configuration */
+#ifdef FS_FAT_LFN	/* LFN configuration */
 		a = dir[DIR_Attr] & AM_MASK;
 		if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {
 			/* An entry without valid data */
@@ -970,7 +971,7 @@
 {
 	int res;
 	BYTE c, *dir;
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	BYTE a, ord = 0xFF, sum = 0xFF;
 #endif
 
@@ -986,7 +987,7 @@
 			res = -ENOENT;
 			break;
 		}
-#ifdef CONFIG_FS_FAT_LFN	/* LFN configuration */
+#ifdef FS_FAT_LFN	/* LFN configuration */
 		a = dir[DIR_Attr] & AM_MASK;
 		if (c == DDE || c == '.' || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
 			ord = 0xFF;
@@ -1025,7 +1026,7 @@
 /*
  * Register an object to the directory
  */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 static
 int dir_register (	/* 0:Successful, FR_DENIED:No free entry or too many SFN collision, -EIO:Disk error */
 	FF_DIR *dj	/* Target directory with object name to be created */
@@ -1033,7 +1034,7 @@
 {
 	int res;
 	BYTE c, *dir;
-#ifdef CONFIG_FS_FAT_LFN	/* LFN configuration */
+#ifdef FS_FAT_LFN	/* LFN configuration */
 	WORD n, ne, is;
 	BYTE sn[12], *fn, sum;
 	WCHAR *lfn;
@@ -1127,7 +1128,7 @@
 			dir = dj->dir;
 			memset(dir, 0, SZ_DIR);	/* Clean the entry */
 			memcpy(dir, dj->fn, 11);	/* Put SFN */
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 			dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT);	/* Put NT flag */
 #endif
 			dj->fs->wflag = 1;
@@ -1136,18 +1137,18 @@
 
 	return res;
 }
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
 
 /*
  * Remove an object from the directory
  */
-#if defined CONFIG_FS_FAT_WRITE
+#if defined FS_FAT_WRITE
 static int dir_remove (	/* 0: Successful, -EIO: A disk error */
 	FF_DIR *dj				/* Directory object pointing the entry to be removed */
 )
 {
 	int res;
-#ifdef CONFIG_FS_FAT_LFN	/* LFN configuration */
+#ifdef FS_FAT_LFN	/* LFN configuration */
 	WORD i;
 
 	i = dj->index;	/* SFN index */
@@ -1181,7 +1182,7 @@
 
 	return res;
 }
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
 
 /*
  * Pick a segment and create the object name in directory form
@@ -1195,7 +1196,7 @@
 	static const BYTE excvt[] = _EXCVT;	/* Upper conversion table for extended chars */
 #endif
 
-#ifdef CONFIG_FS_FAT_LFN	/* LFN configuration */
+#ifdef FS_FAT_LFN	/* LFN configuration */
 	BYTE b, cf;
 	WCHAR w, *lfn;
 	UINT i, ni, si, di;
@@ -1410,7 +1411,7 @@
 				break;
 			if (c == NDDE)
 				c = (TCHAR)DDE;
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 			if ((nt & NS_BODY) && isupper(c))
 				c += 0x20;
 #endif
@@ -1428,7 +1429,7 @@
 				c = dir[i];
 				if (c == ' ')
 					break;
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 				if ((nt & NS_EXT) && isupper(c))
 					c += 0x20;
 #endif
@@ -1449,7 +1450,7 @@
 	}
 	*p = 0;		/* Terminate SFN str by a \0 */
 
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	if (fno->lfname && fno->lfsize) {
 		TCHAR *tp = fno->lfname;
 		WCHAR w, *lfn;
@@ -1668,7 +1669,7 @@
 	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))
 		return -EINVAL;
 
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 	/* Initialize cluster allocation information */
 	fs->free_clust = 0xFFFFFFFF;
 	fs->last_clust = 0;
@@ -1723,7 +1724,7 @@
 
 	fp->fs = NULL;		/* Clear file object */
 
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 	mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
 	dj.fs = fatfs;
 #else
@@ -1735,7 +1736,7 @@
 		res = follow_path(&dj, path);	/* Follow the file path */
 	dir = dj.dir;
 
-#ifdef CONFIG_FS_FAT_WRITE	/* R/W configuration */
+#ifdef FS_FAT_WRITE	/* R/W configuration */
 	if (res == 0) {
 		if (!dir)	/* Current dir itself */
 			res = -EISDIR;
@@ -1870,7 +1871,7 @@
 					cc = fp->fs->csize - csect;
 				if (disk_read(fp->fs, rbuff, sect, (BYTE)cc) != RES_OK)
 					ABORT(fp->fs, -EIO);
-#if defined CONFIG_FS_FAT_WRITE
+#if defined FS_FAT_WRITE
 				/* Replace one of the read sectors with cached data if it contains a dirty sector */
 				if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
 					memcpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
@@ -1879,7 +1880,7 @@
 				continue;
 			}
 			if (fp->dsect != sect) {	/* Load data sector if not in cache */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 				if (fp->flag & FA__DIRTY) {	/* Write-back dirty sector cache */
 					if (disk_write(fp->fs, fp->buf, fp->dsect, 1) != RES_OK)
 						ABORT(fp->fs, -EIO);
@@ -1903,7 +1904,7 @@
 
 
 
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 /*
  * Write File
  */
@@ -2044,7 +2045,7 @@
 	return res;
 }
 
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
 
 /*
  * Close File
@@ -2053,7 +2054,7 @@
 	FIL *fp		/* Pointer to the file object to be closed */
 )
 {
-#ifndef CONFIG_FS_FAT_WRITE
+#ifndef FS_FAT_WRITE
 	fp->fs = 0;	/* Discard file object */
 	return 0;
 #else
@@ -2082,7 +2083,7 @@
 		return -ERESTARTSYS;
 
 	if (ofs > fp->fsize	/* In read-only mode, clip offset with the file size */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 		 && !(fp->flag & FA_WRITE)
 #endif
 		) ofs = fp->fsize;
@@ -2098,7 +2099,7 @@
 			clst = fp->clust;
 		} else {					/* When seek to back cluster, */
 			clst = fp->sclust;			/* start from the first cluster */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 			if (clst == 0) {			/* If no cluster chain, create a new chain */
 				clst = create_chain(fp->fs, 0);
 				if (clst == 1)
@@ -2112,7 +2113,7 @@
 		}
 		if (clst != 0) {
 			while (ofs > bcs) {	/* Cluster following loop */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 				if (fp->flag & FA_WRITE) {	/* Check if in write mode or not */
 					/* Force stretch if in write mode */
 					clst = create_chain(fp->fs, clst);
@@ -2143,7 +2144,7 @@
 		}
 	}
 	if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {	/* Fill sector cache if needed */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 		if (fp->flag & FA__DIRTY) {	/* Write-back dirty sector cache */
 			if (disk_write(fp->fs, fp->buf, fp->dsect, 1) != RES_OK)
 				ABORT(fp->fs, -EIO);
@@ -2154,7 +2155,7 @@
 			ABORT(fp->fs, -EIO);
 		fp->dsect = nsect;
 	}
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 	if (fp->fptr > fp->fsize) {	/* Set file change flag if the file size is extended */
 		fp->fsize = fp->fptr;
 		fp->flag |= FA__WRITTEN;
@@ -2269,7 +2270,7 @@
 	return res;
 }
 
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 /*
  * Get Number of Free Clusters
  */
@@ -2706,4 +2707,4 @@
 
 	return res;
 }
-#endif /* CONFIG_FS_FAT_WRITE */
+#endif /* FS_FAT_WRITE */
diff --git a/fs/fat/ff.h b/fs/fat/ff.h
index e86ca3a..c961de4 100644
--- a/fs/fat/ff.h
+++ b/fs/fat/ff.h
@@ -17,6 +17,18 @@
 #ifndef _FATFS
 #define _FATFS	8237	/* Revision ID */
 
+#ifndef __PBL__
+
+#ifdef CONFIG_FS_FAT_LFN
+#define FS_FAT_LFN 1
+#endif
+
+#ifdef CONFIG_FS_FAT_WRITE
+#define FS_FAT_WRITE 1
+#endif
+
+#endif
+
 #include <asm/unaligned.h>
 #include <linux/list.h>
 
@@ -30,7 +42,7 @@
 /* Type of path name strings on FatFs API */
 
 #if _LFN_UNICODE			/* Unicode string */
-#ifndef CONFIG_FS_FAT_LFN
+#ifndef FS_FAT_LFN
 #error _LFN_UNICODE must be 0 in non-LFN cfg.
 #endif
 #ifndef _INC_TCHAR
@@ -63,7 +75,7 @@
 #if _MAX_SS != 512
 	WORD	ssize;		/* Bytes per sector (512,1024,2048,4096) */
 #endif
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 	DWORD	last_clust;	/* Last allocated cluster */
 	DWORD	free_clust;	/* Number of free clusters */
 	DWORD	fsi_sector;	/* fsinfo sector (FAT32) */
@@ -92,7 +104,7 @@
 	DWORD	sclust;		/* File start cluster (0 when fsize==0) */
 	DWORD	clust;		/* Current cluster */
 	DWORD	dsect;		/* Current data sector */
-#ifdef CONFIG_FS_FAT_WRITE
+#ifdef FS_FAT_WRITE
 	DWORD	dir_sect;	/* Sector containing the directory entry */
 	BYTE*	dir_ptr;	/* Ponter to the directory entry in the window */
 #endif
@@ -119,7 +131,7 @@
 	DWORD	sect;			/* Current sector */
 	BYTE*	dir;			/* Pointer to the current SFN entry in the win[] */
 	BYTE*	fn;			/* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	WCHAR*	lfn;			/* Pointer to the LFN working buffer */
 	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */
 #endif
@@ -135,7 +147,7 @@
 	WORD	ftime;			/* Last modified time */
 	BYTE	fattrib;		/* Attribute */
 	TCHAR	fname[13];		/* Short file name (8.3 format) */
-#ifdef CONFIG_FS_FAT_LFN
+#ifdef FS_FAT_LFN
 	TCHAR*	lfname;			/* Pointer to the LFN buffer */
 	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */
 #endif
diff --git a/include/pbl.h b/include/pbl.h
index 83a0580..5e971f8 100644
--- a/include/pbl.h
+++ b/include/pbl.h
@@ -27,6 +27,7 @@
 	return bio->read(bio, block_off, buf, nblocks);
 }
 
+ssize_t pbl_fat_load(struct pbl_bio *, const char *filename, void *dest, size_t len);
 #else
 #define IN_PBL	0
 #endif
diff --git a/lib/Makefile b/lib/Makefile
index f370d16..73399a1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,6 +1,6 @@
 obj-y			+= bcd.o
 obj-$(CONFIG_BOOTSTRAP)	+= bootstrap/
-obj-y			+= ctype.o
+obj-pbl-y		+= ctype.o
 obj-y			+= rbtree.o
 obj-y			+= display_options.o
 obj-y			+= string.o