*
* (C) 2000 Nicolas Pitre <nico@cam.org>
*
- * $Id: sa1100-flash.c,v 1.47 2004/11/01 13:44:36 rmk Exp $
+ * $Id: sa1100-flash.c,v 1.39 2004/07/12 21:59:44 dwmw2 Exp $
*/
+
#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/err.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/concat.h>
+#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/sizes.h>
-#include <asm/mach/flash.h>
-#if 0
+#include <asm/arch/h3600.h>
+
+#ifndef CONFIG_ARCH_SA1100
+#error This is for SA1100 architecture only
+#endif
+
+/*
+ * This isnt complete yet, so...
+ */
+#define CONFIG_MTD_SA1100_STATICMAP 1
+
+#ifdef CONFIG_MTD_SA1100_STATICMAP
/*
- * This is here for documentation purposes only - until these people
- * submit their machine types. It will be gone January 2005.
+ * Here are partition information for all known SA1100-based devices.
+ * See include/linux/mtd/partitions.h for definition of the mtd_partition
+ * structure.
+ *
+ * Please note:
+ * 1. We no longer support static flash mappings via the machine io_desc
+ * structure.
+ * 2. The flash size given should be the largest flash size that can
+ * be accommodated.
+ *
+ * The MTD layer will detect flash chip aliasing and reduce the size of
+ * the map accordingly.
+ *
+ * Please keep these in alphabetical order, and formatted as per existing
+ * entries. Thanks.
*/
+
+#ifdef CONFIG_SA1100_ADSBITSY
+static struct mtd_partition adsbitsy_partitions[] = {
+ {
+ .name = "bootROM",
+ .size = 0x80000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "zImage",
+ .size = 0x100000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "ramdisk.gz",
+ .size = 0x300000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "User FS",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_ASSABET
+/* Phase 4 Assabet has two 28F160B3 flash parts in bank 0: */
+static struct mtd_partition assabet4_partitions[] = {
+ {
+ .name = "bootloader",
+ .size = 0x00020000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "bootloader params",
+ .size = 0x00020000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "jffs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+/* Phase 5 Assabet has two 28F128J3A flash parts in bank 0: */
+static struct mtd_partition assabet5_partitions[] = {
+ {
+ .name = "bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "bootloader params",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "jffs",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+#define assabet_partitions assabet5_partitions
+#endif
+
+#ifdef CONFIG_SA1100_BADGE4
+/*
+ * 1 x Intel 28F320C3 Advanced+ Boot Block Flash (32 Mi bit)
+ * Eight 4 KiW Parameter Bottom Blocks (64 KiB)
+ * Sixty-three 32 KiW Main Blocks (4032 Ki b)
+ *
+ * <or>
+ *
+ * 1 x Intel 28F640C3 Advanced+ Boot Block Flash (64 Mi bit)
+ * Eight 4 KiW Parameter Bottom Blocks (64 KiB)
+ * One-hundred-twenty-seven 32 KiW Main Blocks (8128 Ki b)
+ */
+static struct mtd_partition badge4_partitions[] = {
+ {
+ .name = "BLOB boot loader",
+ .offset = 0,
+ .size = 0x0000A000
+ }, {
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x00006000
+ }, {
+ .name = "root",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL
+ }
+};
+#endif
+
+
+#ifdef CONFIG_SA1100_CERF
+#ifdef CONFIG_SA1100_CERF_FLASH_32MB
+# define CERF_FLASH_SIZE 0x02000000
+#elif defined CONFIG_SA1100_CERF_FLASH_16MB
+# define CERF_FLASH_SIZE 0x01000000
+#elif defined CONFIG_SA1100_CERF_FLASH_8MB
+# define CERF_FLASH_SIZE 0x00800000
+#else
+# error "Undefined flash size for CERF in sa1100-flash.c"
+#endif
+
+static struct mtd_partition cerf_partitions[] = {
+ {
+ .name = "Bootloader",
+ .size = 0x00020000,
+ .offset = 0x00000000,
+ }, {
+ .name = "Params",
+ .size = 0x00040000,
+ .offset = 0x00020000,
+ }, {
+ .name = "Kernel",
+ .size = 0x00100000,
+ .offset = 0x00060000,
+ }, {
+ .name = "Filesystem",
+ .size = CERF_FLASH_SIZE-0x00160000,
+ .offset = 0x00160000,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_CONSUS
static struct mtd_partition consus_partitions[] = {
{
- .name = "Consus boot firmware",
- .offset = 0,
+ .name = "Consus boot firmware",
+ .offset = 0,
+ .size = 0x00040000,
+ .mask_flags = MTD_WRITABLE, /* force read-only */
+ }, {
+ .name = "Consus kernel",
+ .offset = 0x00040000,
+ .size = 0x00100000,
+ .mask_flags = 0,
+ }, {
+ .name = "Consus disk",
+ .offset = 0x00140000,
+ /* The rest (up to 16M) for jffs. We could put 0 and
+ make it find the size automatically, but right now
+ i have 32 megs. jffs will use all 32 megs if given
+ the chance, and this leads to horrible problems
+ when you try to re-flash the image because blob
+ won't erase the whole partition. */
+ .size = 0x01000000 - 0x00140000,
+ .mask_flags = 0,
+ }, {
+ /* this disk is a secondary disk, which can be used as
+ needed, for simplicity, make it the size of the other
+ consus partition, although realistically it could be
+ the remainder of the disk (depending on the file
+ system used) */
+ .name = "Consus disk2",
+ .offset = 0x01000000,
+ .size = 0x01000000 - 0x00140000,
+ .mask_flags = 0,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_FLEXANET
+/* Flexanet has two 28F128J3A flash parts in bank 0: */
+#define FLEXANET_FLASH_SIZE 0x02000000
+static struct mtd_partition flexanet_partitions[] = {
+ {
+ .name = "bootloader",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "bootloader params",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "kernel",
+ .size = 0x000C0000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "altkernel",
+ .size = 0x000C0000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "root",
+ .size = 0x00400000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "free1",
+ .size = 0x00300000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "free2",
+ .size = 0x00300000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "free3",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_FREEBIRD
+static struct mtd_partition freebird_partitions[] = {
+#ifdef CONFIG_SA1100_FREEBIRD_NEW
+ {
+ .name = "firmware",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "kernel",
+ .size = 0x00080000,
+ .offset = 0x00040000,
+ }, {
+ .name = "params",
+ .size = 0x00040000,
+ .offset = 0x000C0000,
+ }, {
+ .name = "initrd",
+ .size = 0x00100000,
+ .offset = 0x00100000,
+ }, {
+ .name = "root cramfs",
+ .size = 0x00300000,
+ .offset = 0x00200000,
+ }, {
+ .name = "usr cramfs",
+ .size = 0x00C00000,
+ .offset = 0x00500000,
+ }, {
+ .name = "local",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x01100000,
+ }
+#else
+ {
+ .size = 0x00040000,
+ .offset = 0,
+ }, {
+ .size = 0x000c0000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .size = 0x00400000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+#endif
+};
+#endif
+
+#ifdef CONFIG_SA1100_FRODO
+/* Frodo has 2 x 16M 28F128J3A flash chips in bank 0: */
+static struct mtd_partition frodo_partitions[] =
+{
+ {
+ .name = "bootloader",
+ .size = 0x00040000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "bootloader params",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "ramdisk",
+ .size = 0x00400000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "file system",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_GRAPHICSCLIENT
+static struct mtd_partition graphicsclient_partitions[] = {
+ {
+ .name = "zImage",
+ .size = 0x100000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "ramdisk.gz",
+ .size = 0x300000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "User FS",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_GRAPHICSMASTER
+static struct mtd_partition graphicsmaster_partitions[] = {
+ {
+ .name = "zImage",
+ .size = 0x100000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "ramdisk.gz",
+ .size = 0x300000,
+ .offset = MTDPART_OFS_APPEND,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "User FS",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_H3XXX
+static struct mtd_partition h3xxx_partitions[] = {
+ {
+ .name = "H3XXX boot firmware",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+#ifdef CONFIG_MTD_2PARTS_IPAQ
+ .name = "H3XXX root jffs2",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00040000,
+#else
+ .name = "H3XXX kernel",
+ .size = 0x00080000,
+ .offset = 0x00040000,
+ }, {
+ .name = "H3XXX params",
+ .size = 0x00040000,
+ .offset = 0x000C0000,
+ }, {
+#ifdef CONFIG_JFFS2_FS
+ .name = "H3XXX root jffs2",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00100000,
+#else
+ .name = "H3XXX initrd",
+ .size = 0x00100000,
+ .offset = 0x00100000,
+ }, {
+ .name = "H3XXX root cramfs",
+ .size = 0x00300000,
+ .offset = 0x00200000,
+ }, {
+ .name = "H3XXX usr cramfs",
+ .size = 0x00800000,
+ .offset = 0x00500000,
+ }, {
+ .name = "H3XXX usr local",
+ .size = MTDPART_SIZ_FULL,
+ .offset = 0x00d00000,
+#endif
+#endif
+ }
+};
+
+static void h3xxx_set_vpp(struct map_info *map, int vpp)
+{
+ assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, vpp);
+}
+#else
+#define h3xxx_set_vpp NULL
+#endif
+
+#ifdef CONFIG_SA1100_HACKKIT
+static struct mtd_partition hackkit_partitions[] = {
+ {
+ .name = "BLOB",
+ .size = 0x00040000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "config",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "initrd",
+ .size = 0x00180000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "rootfs",
+ .size = 0x700000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "data",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_HUW_WEBPANEL
+static struct mtd_partition huw_webpanel_partitions[] = {
+ {
+ .name = "Loader",
+ .size = 0x00040000,
+ .offset = 0,
+ }, {
+ .name = "Sector 1",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_JORNADA720
+static struct mtd_partition jornada720_partitions[] = {
+ {
+ .name = "JORNADA720 boot firmware",
+ .size = 0x00040000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "JORNADA720 kernel",
+ .size = 0x000c0000,
+ .offset = 0x00040000,
+ }, {
+ .name = "JORNADA720 params",
+ .size = 0x00040000,
+ .offset = 0x00100000,
+ }, {
+ .name = "JORNADA720 initrd",
+ .size = 0x00100000,
+ .offset = 0x00140000,
+ }, {
+ .name = "JORNADA720 root cramfs",
+ .size = 0x00300000,
+ .offset = 0x00240000,
+ }, {
+ .name = "JORNADA720 usr cramfs",
+ .size = 0x00800000,
+ .offset = 0x00540000,
+ }, {
+ .name = "JORNADA720 usr local",
+ .size = 0, /* will expand to the end of the flash */
+ .offset = 0x00d00000,
+ }
+};
+
+static void jornada720_set_vpp(struct map_info *map, int vpp)
+{
+ if (vpp)
+ PPSR |= 0x80;
+ else
+ PPSR &= ~0x80;
+ PPDR |= 0x80;
+}
+#else
+#define jornada720_set_vpp NULL
+#endif
+
+#ifdef CONFIG_SA1100_PANGOLIN
+static struct mtd_partition pangolin_partitions[] = {
+ {
+ .name = "boot firmware",
+ .size = 0x00080000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = 0x00080000,
+ }, {
+ .name = "initrd",
+ .size = 0x00280000,
+ .offset = 0x00180000,
+ }, {
+ .name = "initrd-test",
+ .size = 0x03C00000,
+ .offset = 0x00400000,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_PT_SYSTEM3
+/* erase size is 0x40000 == 256k partitions have to have this boundary */
+static struct mtd_partition system3_partitions[] = {
+ {
+ .name = "BLOB",
+ .size = 0x00040000,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "config",
+ .size = 0x00040000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "kernel",
+ .size = 0x00100000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "root",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_SHANNON
+static struct mtd_partition shannon_partitions[] = {
+ {
+ .name = "BLOB boot loader",
+ .offset = 0,
+ .size = 0x20000
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0xe0000
+ },
+ {
+ .name = "initrd",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL
+ }
+};
+
+#endif
+
+#ifdef CONFIG_SA1100_SHERMAN
+static struct mtd_partition sherman_partitions[] = {
+ {
+ .size = 0x50000,
+ .offset = 0,
+ }, {
+ .size = 0x70000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .size = 0x600000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .size = 0xA0000,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+#endif
+
+#ifdef CONFIG_SA1100_SIMPAD
+static struct mtd_partition simpad_partitions[] = {
+ {
+ .name = "SIMpad boot firmware",
+ .size = 0x00080000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ .name = "SIMpad kernel",
+ .size = 0x00100000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+#ifdef CONFIG_ROOT_CRAMFS
+ .name = "SIMpad root cramfs",
+ .size =0x00D80000,
+ .offset = MTDPART_OFS_APPEND
+
+ }, {
+ .name = "SIMpad local jffs2",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND
+#else
+ .name = "SIMpad root jffs2",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND
+#endif
+ }
+};
+#endif /* CONFIG_SA1100_SIMPAD */
+
+#ifdef CONFIG_SA1100_STORK
+static struct mtd_partition stork_partitions[] = {
+ {
+ .name = "STORK boot firmware",
.size = 0x00040000,
- .mask_flags = MTD_WRITABLE, /* force read-only */
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
- .name = "Consus kernel",
+ .name = "STORK params",
+ .size = 0x00040000,
.offset = 0x00040000,
+ }, {
+ .name = "STORK kernel",
.size = 0x00100000,
- .mask_flags = 0,
+ .offset = 0x00080000,
}, {
- .name = "Consus disk",
- .offset = 0x00140000,
- /* The rest (up to 16M) for jffs. We could put 0 and
- make it find the size automatically, but right now
- i have 32 megs. jffs will use all 32 megs if given
- the chance, and this leads to horrible problems
- when you try to re-flash the image because blob
- won't erase the whole partition. */
- .size = 0x01000000 - 0x00140000,
- .mask_flags = 0,
+#ifdef CONFIG_JFFS2_FS
+ .name = "STORK root jffs2",
+ .offset = 0x00180000,
+ .size = MTDPART_SIZ_FULL,
+#else
+ .name = "STORK initrd",
+ .size = 0x00100000,
+ .offset = 0x00180000,
}, {
- /* this disk is a secondary disk, which can be used as
- needed, for simplicity, make it the size of the other
- consus partition, although realistically it could be
- the remainder of the disk (depending on the file
- system used) */
- .name = "Consus disk2",
- .offset = 0x01000000,
- .size = 0x01000000 - 0x00140000,
- .mask_flags = 0,
+ .name = "STORK root cramfs",
+ .size = 0x00300000,
+ .offset = 0x00280000,
+ }, {
+ .name = "STORK usr cramfs",
+ .size = 0x00800000,
+ .offset = 0x00580000,
+ }, {
+ .name = "STORK usr local",
+ .offset = 0x00d80000,
+ .size = MTDPART_SIZ_FULL,
+#endif
}
};
+#endif
-/* Frodo has 2 x 16M 28F128J3A flash chips in bank 0: */
-static struct mtd_partition frodo_partitions[] =
-{
+#ifdef CONFIG_SA1100_TRIZEPS
+static struct mtd_partition trizeps_partitions[] = {
{
- .name = "bootloader",
- .size = 0x00040000,
- .offset = 0x00000000,
- .mask_flags = MTD_WRITEABLE
- }, {
- .name = "bootloader params",
- .size = 0x00040000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
- }, {
- .name = "kernel",
+ .name = "Bootloader",
.size = 0x00100000,
- .offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
+ .offset = 0,
}, {
- .name = "ramdisk",
- .size = 0x00400000,
+ .name = "Kernel",
+ .size = 0x00100000,
.offset = MTDPART_OFS_APPEND,
- .mask_flags = MTD_WRITEABLE
}, {
- .name = "file system",
+ .name = "root",
.size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND
+ .offset = MTDPART_OFS_APPEND,
}
};
+#endif
-static struct mtd_partition jornada56x_partitions[] = {
+#ifdef CONFIG_SA1100_YOPY
+static struct mtd_partition yopy_partitions[] = {
{
- .name = "bootldr",
+ .name = "boot firmware",
.size = 0x00040000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE,
+ .offset = 0x00000000,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
- .name = "rootfs",
- .size = MTDPART_SIZ_FULL,
- .offset = MTDPART_OFS_APPEND,
+ .name = "kernel",
+ .size = 0x00080000,
+ .offset = 0x00080000,
+ }, {
+ .name = "initrd",
+ .size = 0x00300000,
+ .offset = 0x00100000,
+ }, {
+ .name = "root",
+ .size = 0x01000000,
+ .offset = 0x00400000,
}
};
+#endif
-static void jornada56x_set_vpp(int vpp)
+static int __init sa1100_static_partitions(struct mtd_partition **parts)
{
- if (vpp)
- GPSR = GPIO_GPIO26;
- else
- GPCR = GPIO_GPIO26;
- GPDR |= GPIO_GPIO26;
-}
+ int nb_parts = 0;
-/*
- * Machine Phys Size set_vpp
- * Consus : SA1100_CS0_PHYS SZ_32M
- * Frodo : SA1100_CS0_PHYS SZ_32M
- * Jornada56x: SA1100_CS0_PHYS SZ_32M jornada56x_set_vpp
- */
+#ifdef CONFIG_SA1100_ADSBITSY
+ if (machine_is_adsbitsy()) {
+ *parts = adsbitsy_partitions;
+ nb_parts = ARRAY_SIZE(adsbitsy_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_ASSABET
+ if (machine_is_assabet()) {
+ *parts = assabet_partitions;
+ nb_parts = ARRAY_SIZE(assabet_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_BADGE4
+ if (machine_is_badge4()) {
+ *parts = badge4_partitions;
+ nb_parts = ARRAY_SIZE(badge4_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_CERF
+ if (machine_is_cerf()) {
+ *parts = cerf_partitions;
+ nb_parts = ARRAY_SIZE(cerf_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_CONSUS
+ if (machine_is_consus()) {
+ *parts = consus_partitions;
+ nb_parts = ARRAY_SIZE(consus_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_FLEXANET
+ if (machine_is_flexanet()) {
+ *parts = flexanet_partitions;
+ nb_parts = ARRAY_SIZE(flexanet_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_FREEBIRD
+ if (machine_is_freebird()) {
+ *parts = freebird_partitions;
+ nb_parts = ARRAY_SIZE(freebird_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_FRODO
+ if (machine_is_frodo()) {
+ *parts = frodo_partitions;
+ nb_parts = ARRAY_SIZE(frodo_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_GRAPHICSCLIENT
+ if (machine_is_graphicsclient()) {
+ *parts = graphicsclient_partitions;
+ nb_parts = ARRAY_SIZE(graphicsclient_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_GRAPHICSMASTER
+ if (machine_is_graphicsmaster()) {
+ *parts = graphicsmaster_partitions;
+ nb_parts = ARRAY_SIZE(graphicsmaster_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_H3XXX
+ if (machine_is_h3xxx()) {
+ *parts = h3xxx_partitions;
+ nb_parts = ARRAY_SIZE(h3xxx_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_HACKKIT
+ if (machine_is_hackkit()) {
+ *parts = hackkit_partitions;
+ nb_parts = ARRAY_SIZE(hackkit_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_HUW_WEBPANEL
+ if (machine_is_huw_webpanel()) {
+ *parts = huw_webpanel_partitions;
+ nb_parts = ARRAY_SIZE(huw_webpanel_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_JORNADA720
+ if (machine_is_jornada720()) {
+ *parts = jornada720_partitions;
+ nb_parts = ARRAY_SIZE(jornada720_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_PANGOLIN
+ if (machine_is_pangolin()) {
+ *parts = pangolin_partitions;
+ nb_parts = ARRAY_SIZE(pangolin_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_PT_SYSTEM3
+ if (machine_is_pt_system3()) {
+ *parts = system3_partitions;
+ nb_parts = ARRAY_SIZE(system3_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_SHANNON
+ if (machine_is_shannon()) {
+ *parts = shannon_partitions;
+ nb_parts = ARRAY_SIZE(shannon_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_SHERMAN
+ if (machine_is_sherman()) {
+ *parts = sherman_partitions;
+ nb_parts = ARRAY_SIZE(sherman_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_SIMPAD
+ if (machine_is_simpad()) {
+ *parts = simpad_partitions;
+ nb_parts = ARRAY_SIZE(simpad_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_STORK
+ if (machine_is_stork()) {
+ *parts = stork_partitions;
+ nb_parts = ARRAY_SIZE(stork_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_TRIZEPS
+ if (machine_is_trizeps()) {
+ *parts = trizeps_partitions;
+ nb_parts = ARRAY_SIZE(trizeps_partitions);
+ }
+#endif
+#ifdef CONFIG_SA1100_YOPY
+ if (machine_is_yopy()) {
+ *parts = yopy_partitions;
+ nb_parts = ARRAY_SIZE(yopy_partitions);
+ }
#endif
-struct sa_subdev_info {
- char name[16];
- struct map_info map;
- struct mtd_info *mtd;
- struct flash_platform_data *data;
-};
+ return nb_parts;
+}
+#endif
struct sa_info {
- struct mtd_partition *parts;
- struct mtd_info *mtd;
- int num_subdev;
- struct sa_subdev_info subdev[0];
+ unsigned long base;
+ unsigned long size;
+ int width;
+ void __iomem *vbase;
+ void (*set_vpp)(struct map_info *, int);
+ struct map_info *map;
+ struct mtd_info *mtd;
+ struct resource *res;
};
-static void sa1100_set_vpp(struct map_info *map, int on)
-{
- struct sa_subdev_info *subdev = container_of(map, struct sa_subdev_info, map);
- subdev->data->set_vpp(on);
-}
+#define NR_SUBMTD 4
-static void sa1100_destroy_subdev(struct sa_subdev_info *subdev)
-{
- if (subdev->mtd)
- map_destroy(subdev->mtd);
- if (subdev->map.virt)
- iounmap(subdev->map.virt);
- release_mem_region(subdev->map.phys, subdev->map.size);
-}
+static struct sa_info info[NR_SUBMTD];
-static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *res)
+static int __init sa1100_setup_mtd(struct sa_info *sa, int nr, struct mtd_info **rmtd)
{
- unsigned long phys;
- unsigned int size;
- int ret;
+ struct mtd_info *subdev[nr];
+ struct map_info *maps;
+ int i, found = 0, ret = 0;
+
+ /*
+ * Allocate the map_info structs in one go.
+ */
+ maps = kmalloc(sizeof(struct map_info) * nr, GFP_KERNEL);
+ if (!maps)
+ return -ENOMEM;
- phys = res->start;
- size = res->end - phys + 1;
+ memset(maps, 0, sizeof(struct map_info) * nr);
/*
- * Retrieve the bankwidth from the MSC registers.
- * We currently only implement CS0 and CS1 here.
+ * Claim and then map the memory regions.
*/
- switch (phys) {
- default:
- printk(KERN_WARNING "SA1100 flash: unknown base address "
- "0x%08lx, assuming CS0\n", phys);
+ for (i = 0; i < nr; i++) {
+ if (sa[i].base == (unsigned long)-1)
+ break;
- case SA1100_CS0_PHYS:
- subdev->map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4;
- break;
+ sa[i].res = request_mem_region(sa[i].base, sa[i].size, "sa1100 flash");
+ if (!sa[i].res) {
+ ret = -EBUSY;
+ break;
+ }
- case SA1100_CS1_PHYS:
- subdev->map.bankwidth = ((MSC0 >> 16) & MSC_RBW) ? 2 : 4;
- break;
- }
+ sa[i].map = maps + i;
- if (!request_mem_region(phys, size, subdev->name)) {
- ret = -EBUSY;
- goto out;
- }
+ sa[i].vbase = ioremap(sa[i].base, sa[i].size);
+ if (!sa[i].vbase) {
+ ret = -ENOMEM;
+ break;
+ }
+
+ sa[i].map->virt = sa[i].vbase;
+ sa[i].map->phys = sa[i].base;
+ sa[i].map->set_vpp = sa[i].set_vpp;
+ sa[i].map->bankwidth = sa[i].width;
+ sa[i].map->size = sa[i].size;
+
+ simple_map_init(sa[i].map);
- if (subdev->data->set_vpp)
- subdev->map.set_vpp = sa1100_set_vpp;
+ /*
+ * Now let's probe for the actual flash. Do it here since
+ * specific machine settings might have been set above.
+ */
+ sa[i].mtd = do_map_probe("cfi_probe", sa[i].map);
+ if (sa[i].mtd == NULL) {
+ ret = -ENXIO;
+ break;
+ }
+ sa[i].mtd->owner = THIS_MODULE;
+ subdev[i] = sa[i].mtd;
- subdev->map.phys = phys;
- subdev->map.size = size;
- subdev->map.virt = ioremap(phys, size);
- if (!subdev->map.virt) {
- ret = -ENOMEM;
- goto err;
+ printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, "
+ "%d-bit\n", sa[i].base, sa[i].mtd->size >> 20,
+ sa[i].width * 8);
+ found += 1;
}
- simple_map_init(&subdev->map);
+ /*
+ * ENXIO is special. It means we didn't find a chip when
+ * we probed. We need to tear down the mapping, free the
+ * resource and mark it as such.
+ */
+ if (ret == -ENXIO) {
+ iounmap(sa[i].vbase);
+ sa[i].vbase = NULL;
+ release_resource(sa[i].res);
+ sa[i].res = NULL;
+ }
/*
- * Now let's probe for the actual flash. Do it here since
- * specific machine settings might have been set above.
+ * If we found one device, don't bother with concat support.
+ * If we found multiple devices, use concat if we have it
+ * available, otherwise fail.
*/
- subdev->mtd = do_map_probe(subdev->data->map_name, &subdev->map);
- if (subdev->mtd == NULL) {
- ret = -ENXIO;
- goto err;
+ if (ret == 0 || ret == -ENXIO) {
+ if (found == 1) {
+ *rmtd = subdev[0];
+ ret = 0;
+ } else if (found > 1) {
+ /*
+ * We detected multiple devices. Concatenate
+ * them together.
+ */
+#ifdef CONFIG_MTD_CONCAT
+ *rmtd = mtd_concat_create(subdev, found,
+ "sa1100 flash");
+ if (*rmtd == NULL)
+ ret = -ENXIO;
+#else
+ printk(KERN_ERR "SA1100 flash: multiple devices "
+ "found but MTD concat support disabled.\n");
+ ret = -ENXIO;
+#endif
+ }
}
- subdev->mtd->owner = THIS_MODULE;
- printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, "
- "%d-bit\n", phys, subdev->mtd->size >> 20,
- subdev->map.bankwidth * 8);
+ /*
+ * If we failed, clean up.
+ */
+ if (ret) {
+ do {
+ if (sa[i].mtd)
+ map_destroy(sa[i].mtd);
+ if (sa[i].vbase)
+ iounmap(sa[i].vbase);
+ if (sa[i].res)
+ release_resource(sa[i].res);
+ } while (i--);
- return 0;
+ kfree(maps);
+ }
- err:
- sa1100_destroy_subdev(subdev);
- out:
return ret;
}
-static void sa1100_destroy(struct sa_info *info)
+static void __exit sa1100_destroy_mtd(struct sa_info *sa, struct mtd_info *mtd)
{
int i;
- if (info->mtd) {
- del_mtd_partitions(info->mtd);
+ del_mtd_partitions(mtd);
#ifdef CONFIG_MTD_CONCAT
- if (info->mtd != info->subdev[0].mtd)
- mtd_concat_destroy(info->mtd);
+ if (mtd != sa[0].mtd)
+ mtd_concat_destroy(mtd);
#endif
+
+ for (i = NR_SUBMTD; i >= 0; i--) {
+ if (sa[i].mtd)
+ map_destroy(sa[i].mtd);
+ if (sa[i].vbase)
+ iounmap(sa[i].vbase);
+ if (sa[i].res)
+ release_resource(sa[i].res);
}
+ kfree(sa[0].map);
+}
- if (info->parts)
- kfree(info->parts);
+/*
+ * A Thought: can we automatically detect the flash?
+ * - Check to see if the region is busy (yes -> failure)
+ * - Is the MSC setup for flash (no -> failure)
+ * - Probe for flash
+ */
- for (i = info->num_subdev - 1; i >= 0; i--)
- sa1100_destroy_subdev(&info->subdev[i]);
- kfree(info);
-}
+static struct map_info sa1100_probe_map __initdata = {
+ .name = "SA1100-flash",
+};
-static struct sa_info *__init
-sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *flash)
+static void __init sa1100_probe_one_cs(unsigned int msc, unsigned long phys)
{
- struct sa_info *info;
- int nr, size, i, ret = 0;
+ struct mtd_info *mtd;
- /*
- * Count number of devices.
- */
- for (nr = 0; ; nr++)
- if (!platform_get_resource(pdev, IORESOURCE_MEM, nr))
- break;
+ printk(KERN_INFO "* Probing 0x%08lx: MSC = 0x%04x %d bit ",
+ phys, msc & 0xffff, msc & MSC_RBW ? 16 : 32);
- if (nr == 0) {
- ret = -ENODEV;
- goto out;
+ if (check_mem_region(phys, 0x08000000)) {
+ printk("busy\n");
+ return;
}
- size = sizeof(struct sa_info) + sizeof(struct sa_subdev_info) * nr;
-
- /*
- * Allocate the map_info structs in one go.
- */
- info = kmalloc(size, GFP_KERNEL);
- if (!info) {
- ret = -ENOMEM;
- goto out;
+ if ((msc & 3) == 1) {
+ printk("wrong type\n");
+ return;
}
- memset(info, 0, size);
+ sa1100_probe_map.bankwidth = msc & MSC_RBW ? 2 : 4;
+ sa1100_probe_map.size = SZ_1M;
+ sa1100_probe_map.phys = phys;
+ sa1100_probe_map.virt = (unsigned long)ioremap(phys, SZ_1M);
+ if (sa1100_probe_map.virt == 0)
+ goto fail;
+ simple_map_init(&sa1100_probe_map);
- /*
- * Claim and then map the memory regions.
- */
- for (i = 0; i < nr; i++) {
- struct sa_subdev_info *subdev = &info->subdev[i];
- struct resource *res;
+ /* Shame cfi_probe blurts out kernel messages... */
+ mtd = do_map_probe("cfi_probe", &sa1100_probe_map);
+ if (mtd)
+ map_destroy(mtd);
+ iounmap((void *)sa1100_probe_map.virt);
- res = platform_get_resource(pdev, IORESOURCE_MEM, i);
- if (!res)
- break;
+ if (!mtd)
+ goto fail;
- subdev->map.name = subdev->name;
- sprintf(subdev->name, "sa1100-%d", i);
- subdev->data = flash;
+ printk("pass\n");
+ return;
- ret = sa1100_probe_subdev(subdev, res);
- if (ret)
- break;
- }
+ fail:
+ printk("failed\n");
+}
- info->num_subdev = i;
+static void __init sa1100_probe_flash(void)
+{
+ printk(KERN_INFO "-- SA11xx Flash probe. Please report results.\n");
+ sa1100_probe_one_cs(MSC0, SA1100_CS0_PHYS);
+ sa1100_probe_one_cs(MSC0 >> 16, SA1100_CS1_PHYS);
+ sa1100_probe_one_cs(MSC1, SA1100_CS2_PHYS);
+ sa1100_probe_one_cs(MSC1 >> 16, SA1100_CS3_PHYS);
+ sa1100_probe_one_cs(MSC2, SA1100_CS4_PHYS);
+ sa1100_probe_one_cs(MSC2 >> 16, SA1100_CS5_PHYS);
+ printk(KERN_INFO "-- SA11xx Flash probe complete.\n");
+}
- /*
- * ENXIO is special. It means we didn't find a chip when we probed.
- */
- if (ret != 0 && !(ret == -ENXIO && info->num_subdev > 0))
- goto err;
+static int __init sa1100_locate_flash(void)
+{
+ int i, nr = -ENODEV;
+
+ sa1100_probe_flash();
+
+ if (machine_is_adsbitsy()) {
+ info[0].base = SA1100_CS1_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_assabet()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ info[1].base = SA1100_CS1_PHYS; /* neponset */
+ info[1].size = SZ_32M;
+ nr = 2;
+ }
+ if (machine_is_badge4()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_64M;
+ nr = 1;
+ }
+ if (machine_is_cerf()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_consus()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_flexanet()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_freebird()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_frodo()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_graphicsclient()) {
+ info[0].base = SA1100_CS1_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_graphicsmaster()) {
+ info[0].base = SA1100_CS1_PHYS;
+ info[0].size = SZ_16M;
+ nr = 1;
+ }
+ if (machine_is_h3xxx()) {
+ info[0].set_vpp = h3xxx_set_vpp;
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_huw_webpanel()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_16M;
+ nr = 1;
+ }
+ if (machine_is_itsy()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_jornada720()) {
+ info[0].set_vpp = jornada720_set_vpp;
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_nanoengine()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[1].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_pangolin()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_64M;
+ nr = 1;
+ }
+ if (machine_is_pfs168()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_pleb()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_4M;
+ info[1].base = SA1100_CS1_PHYS;
+ info[1].size = SZ_4M;
+ nr = 2;
+ }
+ if (machine_is_pt_system3()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_16M;
+ nr = 1;
+ }
+ if (machine_is_shannon()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_4M;
+ nr = 1;
+ }
+ if (machine_is_sherman()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_simpad()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_16M;
+ info[1].base = SA1100_CS1_PHYS;
+ info[1].size = SZ_16M;
+ nr = 2;
+ }
+ if (machine_is_stork()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_32M;
+ nr = 1;
+ }
+ if (machine_is_trizeps()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_16M;
+ nr = 1;
+ }
+ if (machine_is_victor()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_2M;
+ nr = 1;
+ }
+ if (machine_is_yopy()) {
+ info[0].base = SA1100_CS0_PHYS;
+ info[0].size = SZ_64M;
+ info[1].base = SA1100_CS1_PHYS;
+ info[1].size = SZ_64M;
+ nr = 2;
+ }
+
+ if (nr < 0)
+ return nr;
/*
- * If we found one device, don't bother with concat support. If
- * we found multiple devices, use concat if we have it available,
- * otherwise fail. Either way, it'll be called "sa1100".
+ * Retrieve the bankwidth from the MSC registers.
+ * We currently only implement CS0 and CS1 here.
*/
- if (info->num_subdev == 1) {
- strcpy(info->subdev[0].name, "sa1100");
- info->mtd = info->subdev[0].mtd;
- ret = 0;
- } else if (info->num_subdev > 1) {
-#ifdef CONFIG_MTD_CONCAT
- struct mtd_info *cdev[nr];
- /*
- * We detected multiple devices. Concatenate them together.
- */
- for (i = 0; i < info->num_subdev; i++)
- cdev[i] = info->subdev[i].mtd;
+ for (i = 0; i < nr; i++) {
+ switch (info[i].base) {
+ default:
+ printk(KERN_WARNING "SA1100 flash: unknown base address "
+ "0x%08lx, assuming CS0\n", info[i].base);
+ case SA1100_CS0_PHYS:
+ info[i].width = (MSC0 & MSC_RBW) ? 2 : 4;
+ break;
- info->mtd = mtd_concat_create(cdev, info->num_subdev,
- "sa1100");
- if (info->mtd == NULL)
- ret = -ENXIO;
-#else
- printk(KERN_ERR "SA1100 flash: multiple devices "
- "found but MTD concat support disabled.\n");
- ret = -ENXIO;
-#endif
+ case SA1100_CS1_PHYS:
+ info[i].width = ((MSC0 >> 16) & MSC_RBW) ? 2 : 4;
+ break;
+ }
}
- if (ret == 0)
- return info;
-
- err:
- sa1100_destroy(info);
- out:
- return ERR_PTR(ret);
+ return nr;
}
-static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
+static struct mtd_partition *parsed_parts;
+const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
-static int __init sa1100_mtd_probe(struct device *dev)
+static void __init sa1100_locate_partitions(struct mtd_info *mtd)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct flash_platform_data *flash = pdev->dev.platform_data;
- struct mtd_partition *parts;
const char *part_type = NULL;
- struct sa_info *info;
- int err, nr_parts = 0;
-
- if (!flash)
- return -ENODEV;
+ int nr_parts = 0;
- info = sa1100_setup_mtd(pdev, flash);
- if (IS_ERR(info)) {
- err = PTR_ERR(info);
- goto out;
- }
-
- /*
- * Partition selection stuff.
- */
+ do {
+ /*
+ * Partition selection stuff.
+ */
#ifdef CONFIG_MTD_PARTITIONS
- nr_parts = parse_mtd_partitions(info->mtd, part_probes, &parts, 0);
- if (nr_parts > 0) {
- info->parts = parts;
- part_type = "dynamic";
- } else
+ nr_parts = parse_mtd_partitions(mtd, part_probes, &parsed_parts, 0);
+ if (nr_parts > 0) {
+ part_type = "dynamic";
+ break;
+ }
#endif
- {
- parts = flash->parts;
- nr_parts = flash->nr_parts;
- part_type = "static";
- }
+#ifdef CONFIG_MTD_SA1100_STATICMAP
+ nr_parts = sa1100_static_partitions(&parsed_parts);
+ if (nr_parts > 0) {
+ part_type = "static";
+ break;
+ }
+#endif
+ } while (0);
if (nr_parts == 0) {
printk(KERN_NOTICE "SA1100 flash: no partition info "
"available, registering whole flash\n");
- add_mtd_device(info->mtd);
+ add_mtd_device(mtd);
} else {
printk(KERN_NOTICE "SA1100 flash: using %s partition "
"definition\n", part_type);
- add_mtd_partitions(info->mtd, parts, nr_parts);
+ add_mtd_partitions(mtd, parsed_parts, nr_parts);
}
- dev_set_drvdata(dev, info);
- err = 0;
-
- out:
- return err;
+ /* Always succeeds. */
}
-static int __exit sa1100_mtd_remove(struct device *dev)
+static void __exit sa1100_destroy_partitions(void)
{
- struct sa_info *info = dev_get_drvdata(dev);
- dev_set_drvdata(dev, NULL);
- sa1100_destroy(info);
- return 0;
+ if (parsed_parts)
+ kfree(parsed_parts);
}
-#ifdef CONFIG_PM
-static int sa1100_mtd_suspend(struct device *dev, u32 state, u32 level)
-{
- struct sa_info *info = dev_get_drvdata(dev);
- int ret = 0;
-
- if (info && level == SUSPEND_SAVE_STATE)
- ret = info->mtd->suspend(info->mtd);
-
- return ret;
-}
+static struct mtd_info *mymtd;
-static int sa1100_mtd_resume(struct device *dev, u32 level)
+static int __init sa1100_mtd_init(void)
{
- struct sa_info *info = dev_get_drvdata(dev);
- if (info && level == RESUME_RESTORE_STATE)
- info->mtd->resume(info->mtd);
- return 0;
-}
-#else
-#define sa1100_mtd_suspend NULL
-#define sa1100_mtd_resume NULL
-#endif
+ int ret;
+ int nr;
-static struct device_driver sa1100_mtd_driver = {
- .name = "flash",
- .bus = &platform_bus_type,
- .probe = sa1100_mtd_probe,
- .remove = __exit_p(sa1100_mtd_remove),
- .suspend = sa1100_mtd_suspend,
- .resume = sa1100_mtd_resume,
-};
+ nr = sa1100_locate_flash();
+ if (nr < 0)
+ return nr;
-static int __init sa1100_mtd_init(void)
-{
- return driver_register(&sa1100_mtd_driver);
+ ret = sa1100_setup_mtd(info, nr, &mymtd);
+ if (ret == 0)
+ sa1100_locate_partitions(mymtd);
+
+ return ret;
}
-static void __exit sa1100_mtd_exit(void)
+static void __exit sa1100_mtd_cleanup(void)
{
- driver_unregister(&sa1100_mtd_driver);
+ sa1100_destroy_mtd(info, mymtd);
+ sa1100_destroy_partitions();
}
module_init(sa1100_mtd_init);
-module_exit(sa1100_mtd_exit);
+module_exit(sa1100_mtd_cleanup);
MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("SA1100 CFI map driver");
git://git.onelab.eu / linux-2.6.git / blobdiff