diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 15:21:04 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 15:21:04 -0500 |
commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/mtd/nand | |
parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r-- | drivers/mtd/nand/Kconfig | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/au1550nd.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/omap2.c | 35 | ||||
-rw-r--r-- | drivers/mtd/nand/sh_flctl.c | 69 |
4 files changed, 58 insertions, 54 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 4f99274b24c2..1157d5679e66 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig | |||
@@ -457,10 +457,10 @@ config MTD_NAND_NOMADIK | |||
457 | 457 | ||
458 | config MTD_NAND_SH_FLCTL | 458 | config MTD_NAND_SH_FLCTL |
459 | tristate "Support for NAND on Renesas SuperH FLCTL" | 459 | tristate "Support for NAND on Renesas SuperH FLCTL" |
460 | depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723 | 460 | depends on MTD_NAND && SUPERH |
461 | help | 461 | help |
462 | Several Renesas SuperH CPU has FLCTL. This option enables support | 462 | Several Renesas SuperH CPU has FLCTL. This option enables support |
463 | for NAND Flash using FLCTL. This driver support SH7723. | 463 | for NAND Flash using FLCTL. |
464 | 464 | ||
465 | config MTD_NAND_DAVINCI | 465 | config MTD_NAND_DAVINCI |
466 | tristate "Support NAND on DaVinci SoC" | 466 | tristate "Support NAND on DaVinci SoC" |
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 92c334ff4508..43d46e424040 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c | |||
@@ -19,6 +19,7 @@ | |||
19 | #include <asm/io.h> | 19 | #include <asm/io.h> |
20 | 20 | ||
21 | #include <asm/mach-au1x00/au1xxx.h> | 21 | #include <asm/mach-au1x00/au1xxx.h> |
22 | #include <asm/mach-db1x00/bcsr.h> | ||
22 | 23 | ||
23 | /* | 24 | /* |
24 | * MTD structure for NAND controller | 25 | * MTD structure for NAND controller |
@@ -475,7 +476,8 @@ static int __init au1xxx_nand_init(void) | |||
475 | /* set gpio206 high */ | 476 | /* set gpio206 high */ |
476 | au_writel(au_readl(GPIO2_DIR) & ~(1 << 6), GPIO2_DIR); | 477 | au_writel(au_readl(GPIO2_DIR) & ~(1 << 6), GPIO2_DIR); |
477 | 478 | ||
478 | boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | ((bcsr->status >> 6) & 0x1); | 479 | boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | ((bcsr_read(BCSR_STATUS) >> 6) & 0x1); |
480 | |||
479 | switch (boot_swapboot) { | 481 | switch (boot_swapboot) { |
480 | case 0: | 482 | case 0: |
481 | case 2: | 483 | case 2: |
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 1bb799f0125c..26aec0080184 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c | |||
@@ -30,12 +30,8 @@ | |||
30 | 30 | ||
31 | #define DRIVER_NAME "omap2-nand" | 31 | #define DRIVER_NAME "omap2-nand" |
32 | 32 | ||
33 | /* size (4 KiB) for IO mapping */ | ||
34 | #define NAND_IO_SIZE SZ_4K | ||
35 | |||
36 | #define NAND_WP_OFF 0 | 33 | #define NAND_WP_OFF 0 |
37 | #define NAND_WP_BIT 0x00000010 | 34 | #define NAND_WP_BIT 0x00000010 |
38 | #define WR_RD_PIN_MONITORING 0x00600000 | ||
39 | 35 | ||
40 | #define GPMC_BUF_FULL 0x00000001 | 36 | #define GPMC_BUF_FULL 0x00000001 |
41 | #define GPMC_BUF_EMPTY 0x00000000 | 37 | #define GPMC_BUF_EMPTY 0x00000000 |
@@ -882,8 +878,6 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) | |||
882 | struct omap_nand_info *info; | 878 | struct omap_nand_info *info; |
883 | struct omap_nand_platform_data *pdata; | 879 | struct omap_nand_platform_data *pdata; |
884 | int err; | 880 | int err; |
885 | unsigned long val; | ||
886 | |||
887 | 881 | ||
888 | pdata = pdev->dev.platform_data; | 882 | pdata = pdev->dev.platform_data; |
889 | if (pdata == NULL) { | 883 | if (pdata == NULL) { |
@@ -905,28 +899,14 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) | |||
905 | info->gpmc_cs = pdata->cs; | 899 | info->gpmc_cs = pdata->cs; |
906 | info->gpmc_baseaddr = pdata->gpmc_baseaddr; | 900 | info->gpmc_baseaddr = pdata->gpmc_baseaddr; |
907 | info->gpmc_cs_baseaddr = pdata->gpmc_cs_baseaddr; | 901 | info->gpmc_cs_baseaddr = pdata->gpmc_cs_baseaddr; |
902 | info->phys_base = pdata->phys_base; | ||
908 | 903 | ||
909 | info->mtd.priv = &info->nand; | 904 | info->mtd.priv = &info->nand; |
910 | info->mtd.name = dev_name(&pdev->dev); | 905 | info->mtd.name = dev_name(&pdev->dev); |
911 | info->mtd.owner = THIS_MODULE; | 906 | info->mtd.owner = THIS_MODULE; |
912 | 907 | ||
913 | err = gpmc_cs_request(info->gpmc_cs, NAND_IO_SIZE, &info->phys_base); | 908 | info->nand.options |= pdata->devsize ? NAND_BUSWIDTH_16 : 0; |
914 | if (err < 0) { | 909 | info->nand.options |= NAND_SKIP_BBTSCAN; |
915 | dev_err(&pdev->dev, "Cannot request GPMC CS\n"); | ||
916 | goto out_free_info; | ||
917 | } | ||
918 | |||
919 | /* Enable RD PIN Monitoring Reg */ | ||
920 | if (pdata->dev_ready) { | ||
921 | val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1); | ||
922 | val |= WR_RD_PIN_MONITORING; | ||
923 | gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG1, val); | ||
924 | } | ||
925 | |||
926 | val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG7); | ||
927 | val &= ~(0xf << 8); | ||
928 | val |= (0xc & 0xf) << 8; | ||
929 | gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG7, val); | ||
930 | 910 | ||
931 | /* NAND write protect off */ | 911 | /* NAND write protect off */ |
932 | omap_nand_wp(&info->mtd, NAND_WP_OFF); | 912 | omap_nand_wp(&info->mtd, NAND_WP_OFF); |
@@ -934,7 +914,7 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) | |||
934 | if (!request_mem_region(info->phys_base, NAND_IO_SIZE, | 914 | if (!request_mem_region(info->phys_base, NAND_IO_SIZE, |
935 | pdev->dev.driver->name)) { | 915 | pdev->dev.driver->name)) { |
936 | err = -EBUSY; | 916 | err = -EBUSY; |
937 | goto out_free_cs; | 917 | goto out_free_info; |
938 | } | 918 | } |
939 | 919 | ||
940 | info->nand.IO_ADDR_R = ioremap(info->phys_base, NAND_IO_SIZE); | 920 | info->nand.IO_ADDR_R = ioremap(info->phys_base, NAND_IO_SIZE); |
@@ -963,11 +943,6 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) | |||
963 | info->nand.chip_delay = 50; | 943 | info->nand.chip_delay = 50; |
964 | } | 944 | } |
965 | 945 | ||
966 | info->nand.options |= NAND_SKIP_BBTSCAN; | ||
967 | if ((gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1) & 0x3000) | ||
968 | == 0x1000) | ||
969 | info->nand.options |= NAND_BUSWIDTH_16; | ||
970 | |||
971 | if (use_prefetch) { | 946 | if (use_prefetch) { |
972 | /* copy the virtual address of nand base for fifo access */ | 947 | /* copy the virtual address of nand base for fifo access */ |
973 | info->nand_pref_fifo_add = info->nand.IO_ADDR_R; | 948 | info->nand_pref_fifo_add = info->nand.IO_ADDR_R; |
@@ -1043,8 +1018,6 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) | |||
1043 | 1018 | ||
1044 | out_release_mem_region: | 1019 | out_release_mem_region: |
1045 | release_mem_region(info->phys_base, NAND_IO_SIZE); | 1020 | release_mem_region(info->phys_base, NAND_IO_SIZE); |
1046 | out_free_cs: | ||
1047 | gpmc_cs_free(info->gpmc_cs); | ||
1048 | out_free_info: | 1021 | out_free_info: |
1049 | kfree(info); | 1022 | kfree(info); |
1050 | 1023 | ||
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 02bef21f2e4b..1842df8bdd93 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c | |||
@@ -1,10 +1,10 @@ | |||
1 | /* | 1 | /* |
2 | * SuperH FLCTL nand controller | 2 | * SuperH FLCTL nand controller |
3 | * | 3 | * |
4 | * Copyright © 2008 Renesas Solutions Corp. | 4 | * Copyright (c) 2008 Renesas Solutions Corp. |
5 | * Copyright © 2008 Atom Create Engineering Co., Ltd. | 5 | * Copyright (c) 2008 Atom Create Engineering Co., Ltd. |
6 | * | 6 | * |
7 | * Based on fsl_elbc_nand.c, Copyright © 2006-2007 Freescale Semiconductor | 7 | * Based on fsl_elbc_nand.c, Copyright (c) 2006-2007 Freescale Semiconductor |
8 | * | 8 | * |
9 | * This program is free software; you can redistribute it and/or modify | 9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by | 10 | * it under the terms of the GNU General Public License as published by |
@@ -75,6 +75,11 @@ static void start_translation(struct sh_flctl *flctl) | |||
75 | writeb(TRSTRT, FLTRCR(flctl)); | 75 | writeb(TRSTRT, FLTRCR(flctl)); |
76 | } | 76 | } |
77 | 77 | ||
78 | static void timeout_error(struct sh_flctl *flctl, const char *str) | ||
79 | { | ||
80 | dev_err(&flctl->pdev->dev, "Timeout occured in %s\n", str); | ||
81 | } | ||
82 | |||
78 | static void wait_completion(struct sh_flctl *flctl) | 83 | static void wait_completion(struct sh_flctl *flctl) |
79 | { | 84 | { |
80 | uint32_t timeout = LOOP_TIMEOUT_MAX; | 85 | uint32_t timeout = LOOP_TIMEOUT_MAX; |
@@ -87,7 +92,7 @@ static void wait_completion(struct sh_flctl *flctl) | |||
87 | udelay(1); | 92 | udelay(1); |
88 | } | 93 | } |
89 | 94 | ||
90 | printk(KERN_ERR "wait_completion(): Timeout occured \n"); | 95 | timeout_error(flctl, __func__); |
91 | writeb(0x0, FLTRCR(flctl)); | 96 | writeb(0x0, FLTRCR(flctl)); |
92 | } | 97 | } |
93 | 98 | ||
@@ -100,6 +105,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr) | |||
100 | addr = page_addr; /* ERASE1 */ | 105 | addr = page_addr; /* ERASE1 */ |
101 | } else if (page_addr != -1) { | 106 | } else if (page_addr != -1) { |
102 | /* SEQIN, READ0, etc.. */ | 107 | /* SEQIN, READ0, etc.. */ |
108 | if (flctl->chip.options & NAND_BUSWIDTH_16) | ||
109 | column >>= 1; | ||
103 | if (flctl->page_size) { | 110 | if (flctl->page_size) { |
104 | addr = column & 0x0FFF; | 111 | addr = column & 0x0FFF; |
105 | addr |= (page_addr & 0xff) << 16; | 112 | addr |= (page_addr & 0xff) << 16; |
@@ -132,7 +139,7 @@ static void wait_rfifo_ready(struct sh_flctl *flctl) | |||
132 | return; | 139 | return; |
133 | udelay(1); | 140 | udelay(1); |
134 | } | 141 | } |
135 | printk(KERN_ERR "wait_rfifo_ready(): Timeout occured \n"); | 142 | timeout_error(flctl, __func__); |
136 | } | 143 | } |
137 | 144 | ||
138 | static void wait_wfifo_ready(struct sh_flctl *flctl) | 145 | static void wait_wfifo_ready(struct sh_flctl *flctl) |
@@ -146,7 +153,7 @@ static void wait_wfifo_ready(struct sh_flctl *flctl) | |||
146 | return; | 153 | return; |
147 | udelay(1); | 154 | udelay(1); |
148 | } | 155 | } |
149 | printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n"); | 156 | timeout_error(flctl, __func__); |
150 | } | 157 | } |
151 | 158 | ||
152 | static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number) | 159 | static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number) |
@@ -198,7 +205,7 @@ static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number) | |||
198 | writel(0, FL4ECCCR(flctl)); | 205 | writel(0, FL4ECCCR(flctl)); |
199 | } | 206 | } |
200 | 207 | ||
201 | printk(KERN_ERR "wait_recfifo_ready(): Timeout occured \n"); | 208 | timeout_error(flctl, __func__); |
202 | return 1; /* timeout */ | 209 | return 1; /* timeout */ |
203 | } | 210 | } |
204 | 211 | ||
@@ -214,7 +221,7 @@ static void wait_wecfifo_ready(struct sh_flctl *flctl) | |||
214 | return; | 221 | return; |
215 | udelay(1); | 222 | udelay(1); |
216 | } | 223 | } |
217 | printk(KERN_ERR "wait_wecfifo_ready(): Timeout occured \n"); | 224 | timeout_error(flctl, __func__); |
218 | } | 225 | } |
219 | 226 | ||
220 | static void read_datareg(struct sh_flctl *flctl, int offset) | 227 | static void read_datareg(struct sh_flctl *flctl, int offset) |
@@ -275,7 +282,7 @@ static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset) | |||
275 | static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val) | 282 | static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val) |
276 | { | 283 | { |
277 | struct sh_flctl *flctl = mtd_to_flctl(mtd); | 284 | struct sh_flctl *flctl = mtd_to_flctl(mtd); |
278 | uint32_t flcmncr_val = readl(FLCMNCR(flctl)); | 285 | uint32_t flcmncr_val = readl(FLCMNCR(flctl)) & ~SEL_16BIT; |
279 | uint32_t flcmdcr_val, addr_len_bytes = 0; | 286 | uint32_t flcmdcr_val, addr_len_bytes = 0; |
280 | 287 | ||
281 | /* Set SNAND bit if page size is 2048byte */ | 288 | /* Set SNAND bit if page size is 2048byte */ |
@@ -297,6 +304,8 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va | |||
297 | case NAND_CMD_READOOB: | 304 | case NAND_CMD_READOOB: |
298 | addr_len_bytes = flctl->rw_ADRCNT; | 305 | addr_len_bytes = flctl->rw_ADRCNT; |
299 | flcmdcr_val |= CDSRC_E; | 306 | flcmdcr_val |= CDSRC_E; |
307 | if (flctl->chip.options & NAND_BUSWIDTH_16) | ||
308 | flcmncr_val |= SEL_16BIT; | ||
300 | break; | 309 | break; |
301 | case NAND_CMD_SEQIN: | 310 | case NAND_CMD_SEQIN: |
302 | /* This case is that cmd is READ0 or READ1 or READ00 */ | 311 | /* This case is that cmd is READ0 or READ1 or READ00 */ |
@@ -305,6 +314,8 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va | |||
305 | case NAND_CMD_PAGEPROG: | 314 | case NAND_CMD_PAGEPROG: |
306 | addr_len_bytes = flctl->rw_ADRCNT; | 315 | addr_len_bytes = flctl->rw_ADRCNT; |
307 | flcmdcr_val |= DOCMD2_E | CDSRC_E | SELRW; | 316 | flcmdcr_val |= DOCMD2_E | CDSRC_E | SELRW; |
317 | if (flctl->chip.options & NAND_BUSWIDTH_16) | ||
318 | flcmncr_val |= SEL_16BIT; | ||
308 | break; | 319 | break; |
309 | case NAND_CMD_READID: | 320 | case NAND_CMD_READID: |
310 | flcmncr_val &= ~SNAND_E; | 321 | flcmncr_val &= ~SNAND_E; |
@@ -523,6 +534,8 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command, | |||
523 | set_addr(mtd, 0, page_addr); | 534 | set_addr(mtd, 0, page_addr); |
524 | 535 | ||
525 | flctl->read_bytes = mtd->writesize + mtd->oobsize; | 536 | flctl->read_bytes = mtd->writesize + mtd->oobsize; |
537 | if (flctl->chip.options & NAND_BUSWIDTH_16) | ||
538 | column >>= 1; | ||
526 | flctl->index += column; | 539 | flctl->index += column; |
527 | goto read_normal_exit; | 540 | goto read_normal_exit; |
528 | 541 | ||
@@ -686,6 +699,18 @@ static uint8_t flctl_read_byte(struct mtd_info *mtd) | |||
686 | return data; | 699 | return data; |
687 | } | 700 | } |
688 | 701 | ||
702 | static uint16_t flctl_read_word(struct mtd_info *mtd) | ||
703 | { | ||
704 | struct sh_flctl *flctl = mtd_to_flctl(mtd); | ||
705 | int index = flctl->index; | ||
706 | uint16_t data; | ||
707 | uint16_t *buf = (uint16_t *)&flctl->done_buff[index]; | ||
708 | |||
709 | data = *buf; | ||
710 | flctl->index += 2; | ||
711 | return data; | ||
712 | } | ||
713 | |||
689 | static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) | 714 | static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) |
690 | { | 715 | { |
691 | int i; | 716 | int i; |
@@ -769,38 +794,36 @@ static int flctl_chip_init_tail(struct mtd_info *mtd) | |||
769 | return 0; | 794 | return 0; |
770 | } | 795 | } |
771 | 796 | ||
772 | static int __init flctl_probe(struct platform_device *pdev) | 797 | static int __devinit flctl_probe(struct platform_device *pdev) |
773 | { | 798 | { |
774 | struct resource *res; | 799 | struct resource *res; |
775 | struct sh_flctl *flctl; | 800 | struct sh_flctl *flctl; |
776 | struct mtd_info *flctl_mtd; | 801 | struct mtd_info *flctl_mtd; |
777 | struct nand_chip *nand; | 802 | struct nand_chip *nand; |
778 | struct sh_flctl_platform_data *pdata; | 803 | struct sh_flctl_platform_data *pdata; |
779 | int ret; | 804 | int ret = -ENXIO; |
780 | 805 | ||
781 | pdata = pdev->dev.platform_data; | 806 | pdata = pdev->dev.platform_data; |
782 | if (pdata == NULL) { | 807 | if (pdata == NULL) { |
783 | printk(KERN_ERR "sh_flctl platform_data not found.\n"); | 808 | dev_err(&pdev->dev, "no platform data defined\n"); |
784 | return -ENODEV; | 809 | return -EINVAL; |
785 | } | 810 | } |
786 | 811 | ||
787 | flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL); | 812 | flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL); |
788 | if (!flctl) { | 813 | if (!flctl) { |
789 | printk(KERN_ERR "Unable to allocate NAND MTD dev structure.\n"); | 814 | dev_err(&pdev->dev, "failed to allocate driver data\n"); |
790 | return -ENOMEM; | 815 | return -ENOMEM; |
791 | } | 816 | } |
792 | 817 | ||
793 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 818 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
794 | if (!res) { | 819 | if (!res) { |
795 | printk(KERN_ERR "%s: resource not found.\n", __func__); | 820 | dev_err(&pdev->dev, "failed to get I/O memory\n"); |
796 | ret = -ENODEV; | ||
797 | goto err; | 821 | goto err; |
798 | } | 822 | } |
799 | 823 | ||
800 | flctl->reg = ioremap(res->start, res->end - res->start + 1); | 824 | flctl->reg = ioremap(res->start, resource_size(res)); |
801 | if (flctl->reg == NULL) { | 825 | if (flctl->reg == NULL) { |
802 | printk(KERN_ERR "%s: ioremap error.\n", __func__); | 826 | dev_err(&pdev->dev, "failed to remap I/O memory\n"); |
803 | ret = -ENOMEM; | ||
804 | goto err; | 827 | goto err; |
805 | } | 828 | } |
806 | 829 | ||
@@ -808,6 +831,7 @@ static int __init flctl_probe(struct platform_device *pdev) | |||
808 | flctl_mtd = &flctl->mtd; | 831 | flctl_mtd = &flctl->mtd; |
809 | nand = &flctl->chip; | 832 | nand = &flctl->chip; |
810 | flctl_mtd->priv = nand; | 833 | flctl_mtd->priv = nand; |
834 | flctl->pdev = pdev; | ||
811 | flctl->hwecc = pdata->has_hwecc; | 835 | flctl->hwecc = pdata->has_hwecc; |
812 | 836 | ||
813 | flctl_register_init(flctl, pdata->flcmncr_val); | 837 | flctl_register_init(flctl, pdata->flcmncr_val); |
@@ -825,6 +849,11 @@ static int __init flctl_probe(struct platform_device *pdev) | |||
825 | nand->select_chip = flctl_select_chip; | 849 | nand->select_chip = flctl_select_chip; |
826 | nand->cmdfunc = flctl_cmdfunc; | 850 | nand->cmdfunc = flctl_cmdfunc; |
827 | 851 | ||
852 | if (pdata->flcmncr_val & SEL_16BIT) { | ||
853 | nand->options |= NAND_BUSWIDTH_16; | ||
854 | nand->read_word = flctl_read_word; | ||
855 | } | ||
856 | |||
828 | ret = nand_scan_ident(flctl_mtd, 1); | 857 | ret = nand_scan_ident(flctl_mtd, 1); |
829 | if (ret) | 858 | if (ret) |
830 | goto err; | 859 | goto err; |
@@ -846,7 +875,7 @@ err: | |||
846 | return ret; | 875 | return ret; |
847 | } | 876 | } |
848 | 877 | ||
849 | static int __exit flctl_remove(struct platform_device *pdev) | 878 | static int __devexit flctl_remove(struct platform_device *pdev) |
850 | { | 879 | { |
851 | struct sh_flctl *flctl = platform_get_drvdata(pdev); | 880 | struct sh_flctl *flctl = platform_get_drvdata(pdev); |
852 | 881 | ||