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-rw-r--r--meta/recipes-kernel/linux/linux-omap2-git/beagleboard/flash.patch558
1 files changed, 558 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/flash.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/flash.patch
new file mode 100644
index 0000000000..4c76cd97bd
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/flash.patch
@@ -0,0 +1,558 @@
1diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
2index 13d0043..d582b8f 100644
3--- a/arch/arm/mach-omap2/Makefile
4+++ b/arch/arm/mach-omap2/Makefile
5@@ -44,7 +44,8 @@ obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \
6 board-omap3evm-flash.o
7 obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
8 usb-musb.o usb-ehci.o \
9- hsmmc.o
10+ hsmmc.o \
11+ board-omap3beagle-flash.o
12 obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
13 hsmmc.o \
14 usb-musb.o
15diff --git a/arch/arm/mach-omap2/board-omap3beagle-flash.c b/arch/arm/mach-omap2/board-omap3beagle-flash.c
16new file mode 100644
17index 0000000..5346df0
18--- /dev/null
19+++ b/arch/arm/mach-omap2/board-omap3beagle-flash.c
20@@ -0,0 +1,119 @@
21+/*
22+ * board-omap3beagle-flash.c
23+ *
24+ * Copyright (c) 2008 Texas Instruments
25+ *
26+ * Modified from board-omap3evm-flash.c
27+ *
28+ * This program is free software; you can redistribute it and/or modify
29+ * it under the terms of the GNU General Public License version 2 as
30+ * published by the Free Software Foundation.
31+ */
32+
33+#include <linux/kernel.h>
34+#include <linux/platform_device.h>
35+#include <linux/mtd/mtd.h>
36+#include <linux/mtd/partitions.h>
37+#include <linux/mtd/nand.h>
38+#include <linux/types.h>
39+#include <linux/io.h>
40+
41+#include <asm/mach/flash.h>
42+#include <asm/arch/board.h>
43+#include <asm/arch/gpmc.h>
44+#include <asm/arch/nand.h>
45+
46+#define GPMC_CS0_BASE 0x60
47+#define GPMC_CS_SIZE 0x30
48+
49+static struct mtd_partition omap3beagle_nand_partitions[] = {
50+ /* All the partition sizes are listed in terms of NAND block size */
51+ {
52+ .name = "X-Loader",
53+ .offset = 0,
54+ .size = 4*(64 * 2048),
55+ .mask_flags = MTD_WRITEABLE, /* force read-only */
56+ },
57+ {
58+ .name = "U-Boot",
59+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
60+ .size = 15*(64 * 2048),
61+ .mask_flags = MTD_WRITEABLE, /* force read-only */
62+ },
63+ {
64+ .name = "U-Boot Env",
65+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
66+ .size = 1*(64 * 2048),
67+ },
68+ {
69+ .name = "Kernel",
70+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
71+ .size = 32*(64 * 2048),
72+ },
73+ {
74+ .name = "File System",
75+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
76+ .size = MTDPART_SIZ_FULL,
77+ },
78+};
79+
80+static struct omap_nand_platform_data omap3beagle_nand_data = {
81+ .parts = omap3beagle_nand_partitions,
82+ .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
83+ .dma_channel = -1, /* disable DMA in OMAP NAND driver */
84+ .nand_setup = NULL,
85+ .dev_ready = NULL,
86+};
87+
88+static struct resource omap3beagle_nand_resource = {
89+ .flags = IORESOURCE_MEM,
90+};
91+
92+static struct platform_device omap3beagle_nand_device = {
93+ .name = "omap2-nand",
94+ .id = -1,
95+ .dev = {
96+ .platform_data = &omap3beagle_nand_data,
97+ },
98+ .num_resources = 1,
99+ .resource = &omap3beagle_nand_resource,
100+};
101+
102+
103+void __init omap3beagle_flash_init(void)
104+{
105+ u8 cs = 0;
106+ u8 nandcs = GPMC_CS_NUM + 1;
107+
108+ u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
109+
110+ /* find out the chip-select on which NAND exists */
111+ while (cs < GPMC_CS_NUM) {
112+ u32 ret = 0;
113+ ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
114+
115+ if ((ret & 0xC00) == 0x800) {
116+ printk(KERN_INFO "Found NAND on CS%d\n", cs);
117+ if (nandcs > GPMC_CS_NUM)
118+ nandcs = cs;
119+ }
120+ cs++;
121+ }
122+
123+ if (nandcs > GPMC_CS_NUM) {
124+ printk(KERN_INFO "NAND: Unable to find configuration "
125+ "in GPMC\n ");
126+ return;
127+ }
128+
129+ if (nandcs < GPMC_CS_NUM) {
130+ omap3beagle_nand_data.cs = nandcs;
131+ omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)(gpmc_base_add +
132+ GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
133+ omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
134+
135+ printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
136+ if (platform_device_register(&omap3beagle_nand_device) < 0)
137+ printk(KERN_ERR "Unable to register NAND device\n");
138+ }
139+}
140diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
141index c992cc7..99e042e 100644
142--- a/arch/arm/mach-omap2/board-omap3beagle.c
143+++ b/arch/arm/mach-omap2/board-omap3beagle.c
144@@ -94,6 +94,7 @@ static void __init omap3_beagle_init(void)
145 hsmmc_init();
146 usb_musb_init();
147 usb_ehci_init();
148+ omap3beagle_flash_init();
149 }
150
151 arch_initcall(omap3_beagle_i2c_init);
152diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
153index 3d5e432..02b9ced 100644
154--- a/drivers/mtd/nand/Kconfig
155+++ b/drivers/mtd/nand/Kconfig
156@@ -71,7 +71,7 @@ config MTD_NAND_AMS_DELTA
157
158 config MTD_NAND_OMAP2
159 tristate "NAND Flash device on OMAP 2420H4/2430SDP boards"
160- depends on (ARM && ARCH_OMAP2 && MTD_NAND)
161+ depends on ARM && MTD_NAND && (ARCH_OMAP2 || ARCH_OMAP3)
162 help
163 Support for NAND flash on Texas Instruments 2430SDP/2420H4 platforms.
164
165diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
166index 3b7307c..3aac1d2 100644
167--- a/drivers/mtd/nand/omap2.c
168+++ b/drivers/mtd/nand/omap2.c
169@@ -111,15 +111,6 @@
170 static const char *part_probes[] = { "cmdlinepart", NULL };
171 #endif
172
173-static int hw_ecc = 1;
174-
175-/* new oob placement block for use with hardware ecc generation */
176-static struct nand_ecclayout omap_hw_eccoob = {
177- .eccbytes = 12,
178- .eccpos = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13},
179- .oobfree = {{16, 32}, {33, 63} },
180-};
181-
182 struct omap_nand_info {
183 struct nand_hw_control controller;
184 struct omap_nand_platform_data *pdata;
185@@ -133,6 +124,13 @@ struct omap_nand_info {
186 void __iomem *gpmc_cs_baseaddr;
187 void __iomem *gpmc_baseaddr;
188 };
189+
190+/*
191+ * omap_nand_wp - This function enable or disable the Write Protect feature on
192+ * NAND device
193+ * @mtd: MTD device structure
194+ * @mode: WP ON/OFF
195+ */
196 static void omap_nand_wp(struct mtd_info *mtd, int mode)
197 {
198 struct omap_nand_info *info = container_of(mtd,
199@@ -189,11 +187,11 @@ static void omap_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
200 }
201
202 /*
203-* omap_read_buf - read data from NAND controller into buffer
204-* @mtd: MTD device structure
205-* @buf: buffer to store date
206-* @len: number of bytes to read
207-*/
208+ * omap_read_buf - read data from NAND controller into buffer
209+ * @mtd: MTD device structure
210+ * @buf: buffer to store date
211+ * @len: number of bytes to read
212+ */
213 static void omap_read_buf(struct mtd_info *mtd, u_char *buf, int len)
214 {
215 struct omap_nand_info *info = container_of(mtd,
216@@ -207,11 +205,11 @@ static void omap_read_buf(struct mtd_info *mtd, u_char *buf, int len)
217 }
218
219 /*
220-* omap_write_buf - write buffer to NAND controller
221-* @mtd: MTD device structure
222-* @buf: data buffer
223-* @len: number of bytes to write
224-*/
225+ * omap_write_buf - write buffer to NAND controller
226+ * @mtd: MTD device structure
227+ * @buf: data buffer
228+ * @len: number of bytes to write
229+ */
230 static void omap_write_buf(struct mtd_info *mtd, const u_char * buf, int len)
231 {
232 struct omap_nand_info *info = container_of(mtd,
233@@ -250,10 +248,16 @@ static int omap_verify_buf(struct mtd_info *mtd, const u_char * buf, int len)
234 return 0;
235 }
236
237+#ifdef CONFIG_MTD_NAND_OMAP_HWECC
238+/*
239+ * omap_hwecc_init-Initialize the Hardware ECC for NAND flash in GPMC controller
240+ * @mtd: MTD device structure
241+ */
242 static void omap_hwecc_init(struct mtd_info *mtd)
243 {
244 struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
245 mtd);
246+ register struct nand_chip *chip = mtd->priv;
247 unsigned long val = 0x0;
248
249 /* Read from ECC Control Register */
250@@ -264,16 +268,15 @@ static void omap_hwecc_init(struct mtd_info *mtd)
251
252 /* Read from ECC Size Config Register */
253 val = __raw_readl(info->gpmc_baseaddr + GPMC_ECC_SIZE_CONFIG);
254- /* ECCSIZE1=512 | ECCSIZE0=8bytes | Select eccResultsize[0123] */
255- val = ((0x000000FF<<22) | (0x00000003<<12) | (0x0000000F));
256+ /* ECCSIZE1=512 | Select eccResultsize[0-3] */
257+ val = ((((chip->ecc.size >> 1) - 1) << 22) | (0x0000000F));
258 __raw_writel(val, info->gpmc_baseaddr + GPMC_ECC_SIZE_CONFIG);
259-
260-
261 }
262
263 /*
264- * This function will generate true ECC value, which can be used
265+ * gen_true_ecc - This function will generate true ECC value, which can be used
266 * when correcting data read from NAND flash memory core
267+ * @ecc_buf: buffer to store ecc code
268 */
269 static void gen_true_ecc(u8 *ecc_buf)
270 {
271@@ -289,8 +292,12 @@ static void gen_true_ecc(u8 *ecc_buf)
272 }
273
274 /*
275- * This function compares two ECC's and indicates if there is an error.
276- * If the error can be corrected it will be corrected to the buffer
277+ * omap_compare_ecc - This function compares two ECC's and indicates if there
278+ * is an error. If the error can be corrected it will be corrected to the
279+ * buffer
280+ * @ecc_data1: ecc code from nand spare area
281+ * @ecc_data2: ecc code from hardware register obtained from hardware ecc
282+ * @page_data: page data
283 */
284 static int omap_compare_ecc(u8 *ecc_data1, /* read from NAND memory */
285 u8 *ecc_data2, /* read from register */
286@@ -409,6 +416,14 @@ static int omap_compare_ecc(u8 *ecc_data1, /* read from NAND memory */
287 }
288 }
289
290+/*
291+ * omap_correct_data - Compares the ecc read from nand spare area with ECC
292+ * registers values and corrects one bit error if it has occured
293+ * @mtd: MTD device structure
294+ * @dat: page data
295+ * @read_ecc: ecc read from nand flash
296+ * @calc_ecc: ecc read from ECC registers
297+ */
298 static int omap_correct_data(struct mtd_info *mtd, u_char * dat,
299 u_char * read_ecc, u_char * calc_ecc)
300 {
301@@ -436,65 +451,64 @@ static int omap_correct_data(struct mtd_info *mtd, u_char * dat,
302 }
303
304 /*
305-** Generate non-inverted ECC bytes.
306-**
307-** Using noninverted ECC can be considered ugly since writing a blank
308-** page ie. padding will clear the ECC bytes. This is no problem as long
309-** nobody is trying to write data on the seemingly unused page.
310-**
311-** Reading an erased page will produce an ECC mismatch between
312-** generated and read ECC bytes that has to be dealt with separately.
313-*/
314+ * omap_calcuate_ecc - Generate non-inverted ECC bytes.
315+ * Using noninverted ECC can be considered ugly since writing a blank
316+ * page ie. padding will clear the ECC bytes. This is no problem as long
317+ * nobody is trying to write data on the seemingly unused page. Reading
318+ * an erased page will produce an ECC mismatch between generated and read
319+ * ECC bytes that has to be dealt with separately.
320+ * @mtd: MTD device structure
321+ * @dat: The pointer to data on which ecc is computed
322+ * @ecc_code: The ecc_code buffer
323+ */
324 static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
325 u_char *ecc_code)
326 {
327 struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
328 mtd);
329 unsigned long val = 0x0;
330- unsigned long reg, n;
331-
332- /* Ex NAND_ECC_HW12_2048 */
333- if ((info->nand.ecc.mode == NAND_ECC_HW) &&
334- (info->nand.ecc.size == 2048))
335- n = 4;
336- else
337- n = 1;
338+ unsigned long reg;
339
340 /* Start Reading from HW ECC1_Result = 0x200 */
341 reg = (unsigned long)(info->gpmc_baseaddr + GPMC_ECC1_RESULT);
342- while (n--) {
343- val = __raw_readl(reg);
344- *ecc_code++ = val; /* P128e, ..., P1e */
345- *ecc_code++ = val >> 16; /* P128o, ..., P1o */
346- /* P2048o, P1024o, P512o, P256o, P2048e, P1024e, P512e, P256e */
347- *ecc_code++ = ((val >> 8) & 0x0f) | ((val >> 20) & 0xf0);
348- reg += 4;
349- }
350+ val = __raw_readl(reg);
351+ *ecc_code++ = val; /* P128e, ..., P1e */
352+ *ecc_code++ = val >> 16; /* P128o, ..., P1o */
353+ /* P2048o, P1024o, P512o, P256o, P2048e, P1024e, P512e, P256e */
354+ *ecc_code++ = ((val >> 8) & 0x0f) | ((val >> 20) & 0xf0);
355+ reg += 4;
356
357 return 0;
358-} /* omap_calculate_ecc */
359+}
360
361+/*
362+ * omap_enable_hwecc - This function enables the hardware ecc functionality
363+ * @mtd: MTD device structure
364+ * @mode: Read/Write mode
365+ */
366 static void omap_enable_hwecc(struct mtd_info *mtd, int mode)
367 {
368 struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
369 mtd);
370+ register struct nand_chip *chip = mtd->priv;
371+ unsigned int dev_width = (chip->options & NAND_BUSWIDTH_16) ? 1 : 0;
372 unsigned long val = __raw_readl(info->gpmc_baseaddr + GPMC_ECC_CONFIG);
373
374 switch (mode) {
375 case NAND_ECC_READ :
376 __raw_writel(0x101, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
377- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
378- val = (1 << 7) | (0x0) | (0x1) ;
379+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
380+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
381 break;
382 case NAND_ECC_READSYN :
383- __raw_writel(0x100, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
384- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
385- val = (1 << 7) | (0x0) | (0x1) ;
386+ __raw_writel(0x100, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
387+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
388+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
389 break;
390 case NAND_ECC_WRITE :
391 __raw_writel(0x101, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
392- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
393- val = (1 << 7) | (0x0) | (0x1) ;
394+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
395+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
396 break;
397 default:
398 DEBUG(MTD_DEBUG_LEVEL0, "Error: Unrecognized Mode[%d]!\n",
399@@ -504,7 +518,38 @@ static void omap_enable_hwecc(struct mtd_info *mtd, int mode)
400
401 __raw_writel(val, info->gpmc_baseaddr + GPMC_ECC_CONFIG);
402 }
403+#endif
404
405+/*
406+ * omap_wait - Wait function is called during Program and erase
407+ * operations and the way it is called from MTD layer, we should wait
408+ * till the NAND chip is ready after the programming/erase operation
409+ * has completed.
410+ * @mtd: MTD device structure
411+ * @chip: NAND Chip structure
412+ */
413+static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
414+{
415+ register struct nand_chip *this = mtd->priv;
416+ struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
417+ mtd);
418+ int status = 0;
419+
420+ this->IO_ADDR_W = (void *) info->gpmc_cs_baseaddr +
421+ GPMC_CS_NAND_COMMAND;
422+ this->IO_ADDR_R = (void *) info->gpmc_cs_baseaddr + GPMC_CS_NAND_DATA;
423+
424+ while (!(status & 0x40)) {
425+ __raw_writeb(NAND_CMD_STATUS & 0xFF, this->IO_ADDR_W);
426+ status = __raw_readb(this->IO_ADDR_R);
427+ }
428+ return status;
429+}
430+
431+/*
432+ * omap_dev_ready - calls the platform specific dev_ready function
433+ * @mtd: MTD device structure
434+ */
435 static int omap_dev_ready(struct mtd_info *mtd)
436 {
437 struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
438@@ -534,7 +579,7 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
439 struct omap_nand_info *info;
440 struct omap_nand_platform_data *pdata;
441 int err;
442- unsigned long val;
443+ unsigned long val;
444
445
446 pdata = pdev->dev.platform_data;
447@@ -568,15 +613,20 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
448 }
449
450 /* Enable RD PIN Monitoring Reg */
451- val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1);
452- val |= WR_RD_PIN_MONITORING;
453- gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG1, val);
454+ if (pdata->dev_ready) {
455+ val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1);
456+ val |= WR_RD_PIN_MONITORING;
457+ gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG1, val);
458+ }
459
460 val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG7);
461 val &= ~(0xf << 8);
462 val |= (0xc & 0xf) << 8;
463 gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG7, val);
464
465+ /* NAND write protect off */
466+ omap_nand_wp(&info->mtd, NAND_WP_OFF);
467+
468 if (!request_mem_region(info->phys_base, NAND_IO_SIZE,
469 pdev->dev.driver->name)) {
470 err = -EBUSY;
471@@ -597,29 +647,39 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
472 info->nand.write_buf = omap_write_buf;
473 info->nand.verify_buf = omap_verify_buf;
474
475- info->nand.dev_ready = omap_dev_ready;
476- info->nand.chip_delay = 0;
477-
478- /* Options */
479- info->nand.options = NAND_BUSWIDTH_16;
480- info->nand.options |= NAND_SKIP_BBTSCAN;
481-
482- if (hw_ecc) {
483- /* init HW ECC */
484- omap_hwecc_init(&info->mtd);
485-
486- info->nand.ecc.calculate = omap_calculate_ecc;
487- info->nand.ecc.hwctl = omap_enable_hwecc;
488- info->nand.ecc.correct = omap_correct_data;
489- info->nand.ecc.mode = NAND_ECC_HW;
490- info->nand.ecc.bytes = 12;
491- info->nand.ecc.size = 2048;
492- info->nand.ecc.layout = &omap_hw_eccoob;
493-
494+ /*
495+ * If RDY/BSY line is connected to OMAP then use the omap ready funcrtion
496+ * and the generic nand_wait function which reads the status register
497+ * after monitoring the RDY/BSY line.Otherwise use a standard chip delay
498+ * which is slightly more than tR (AC Timing) of the NAND device and read
499+ * status register until you get a failure or success
500+ */
501+ if (pdata->dev_ready) {
502+ info->nand.dev_ready = omap_dev_ready;
503+ info->nand.chip_delay = 0;
504 } else {
505- info->nand.ecc.mode = NAND_ECC_SOFT;
506+ info->nand.waitfunc = omap_wait;
507+ info->nand.chip_delay = 50;
508 }
509
510+ info->nand.options |= NAND_SKIP_BBTSCAN;
511+ if ((gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1) & 0x3000)
512+ == 0x1000)
513+ info->nand.options |= NAND_BUSWIDTH_16;
514+
515+#ifdef CONFIG_MTD_NAND_OMAP_HWECC
516+ info->nand.ecc.bytes = 3;
517+ info->nand.ecc.size = 512;
518+ info->nand.ecc.calculate = omap_calculate_ecc;
519+ info->nand.ecc.hwctl = omap_enable_hwecc;
520+ info->nand.ecc.correct = omap_correct_data;
521+ info->nand.ecc.mode = NAND_ECC_HW;
522+
523+ /* init HW ECC */
524+ omap_hwecc_init(&info->mtd);
525+#else
526+ info->nand.ecc.mode = NAND_ECC_SOFT;
527+#endif
528
529 /* DIP switches on some boards change between 8 and 16 bit
530 * bus widths for flash. Try the other width if the first try fails.
531@@ -636,14 +696,12 @@ static int __devinit omap_nand_probe(struct platform_device *pdev)
532 err = parse_mtd_partitions(&info->mtd, part_probes, &info->parts, 0);
533 if (err > 0)
534 add_mtd_partitions(&info->mtd, info->parts, err);
535- else if (err < 0 && pdata->parts)
536+ else if (err <= 0 && pdata->parts)
537 add_mtd_partitions(&info->mtd, pdata->parts, pdata->nr_parts);
538 else
539 #endif
540 add_mtd_device(&info->mtd);
541
542- omap_nand_wp(&info->mtd, NAND_WP_OFF);
543-
544 platform_set_drvdata(pdev, &info->mtd);
545
546 return 0;
547diff --git a/include/asm-arm/arch-omap/board-omap3beagle.h b/include/asm-arm/arch-omap/board-omap3beagle.h
548index 46dff31..26ecfb8 100644
549--- a/include/asm-arm/arch-omap/board-omap3beagle.h
550+++ b/include/asm-arm/arch-omap/board-omap3beagle.h
551@@ -29,5 +29,7 @@
552 #ifndef __ASM_ARCH_OMAP3_BEAGLE_H
553 #define __ASM_ARCH_OMAP3_BEAGLE_H
554
555+extern void omap3beagle_flash_init(void);
556+
557 #endif /* __ASM_ARCH_OMAP3_BEAGLE_H */
558