Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (53 commits)
  [MTD] struct device - replace bus_id with dev_name(), dev_set_name()
  [MTD] [NOR] Fixup for Numonyx M29W128 chips
  [MTD] mtdpart: Make ecc_stats more realistic.
  powerpc/85xx: TQM8548: Update DTS file for multi-chip support
  powerpc: NAND: FSL UPM: document new bindings
  [MTD] [NAND] FSL-UPM: Add wait flags to support board/chip specific delays
  [MTD] [NAND] FSL-UPM: add multi chip support
  [MTD] [NOR] Add device parent info to physmap_of
  [MTD] [NAND] Add support for NAND on the Socrates board
  [MTD] [NAND] Add support for 4KiB pages.
  [MTD] sysfs support should not depend on CONFIG_PROC_FS
  [MTD] [NAND] Add parent info for CAFÉ controller
  [MTD] support driver model updates
  [MTD] driver model updates (part 2)
  [MTD] driver model updates
  [MTD] [NAND] move gen_nand's probe function to .devinit.text
  [MTD] [MAPS] move sa1100 flash's probe function to .devinit.text
  [MTD] fix use after free in register_mtd_blktrans
  [MTD] [MAPS] Drop now unused sharpsl-flash map
  [MTD] ofpart: Check name property to determine partition nodes.
  ...

Manually fix trivial conflict in drivers/mtd/maps/Makefile

9 files changed, 264 insertions, 0 deletions

diff --git a/arch/mips/include/asm/txx9/ndfmc.h b/arch/mips/include/asm/txx9/ndfmc.h
new file mode 100644
index 000000000000..fa67f3df78fc
--- /dev/null
+++ b/arch/mips/include/asm/txx9/ndfmc.h
@@ -0,0 +1,30 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * (C) Copyright TOSHIBA CORPORATION 2007
+ */
+#ifndef __ASM_TXX9_NDFMC_H
+#define __ASM_TXX9_NDFMC_H
+
+#define NDFMC_PLAT_FLAG_USE_BSPRT       0x01
+#define NDFMC_PLAT_FLAG_NO_RSTR         0x02
+#define NDFMC_PLAT_FLAG_HOLDADD         0x04
+#define NDFMC_PLAT_FLAG_DUMMYWRITE      0x08
+
+struct txx9ndfmc_platform_data {
+        unsigned int shift;
+        unsigned int gbus_clock;
+        unsigned int hold;              /* hold time in nanosecond */
+        unsigned int spw;               /* strobe pulse width in nanosecond */
+        unsigned int flags;
+        unsigned char ch_mask;          /* available channel bitmask */
+        unsigned char wp_mask;          /* write-protect bitmask */
+        unsigned char wide_mask;        /* 16bit-nand bitmask */
+};
+
+void txx9_ndfmc_init(unsigned long baseaddr,
+                     const struct txx9ndfmc_platform_data *plat_data);
+
+#endif /* __ASM_TXX9_NDFMC_H */
diff --git a/arch/mips/include/asm/txx9/rbtx4939.h b/arch/mips/include/asm/txx9/rbtx4939.h
index 1acf428c0b4f..e517899794a8 100644
--- a/arch/mips/include/asm/txx9/rbtx4939.h
+++ b/arch/mips/include/asm/txx9/rbtx4939.h
@@ -130,4 +130,13 @@
 void rbtx4939_prom_init(void);
 void rbtx4939_irq_setup(void);
 
+struct mtd_partition;
+struct map_info;
+struct rbtx4939_flash_data {
+        unsigned int width;
+        unsigned int nr_parts;
+        struct mtd_partition *parts;
+        void (*map_init)(struct map_info *map);
+};
+
 #endif /* __ASM_TXX9_RBTX4939_H */
diff --git a/arch/mips/include/asm/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h
index 0b068154054c..cd8bc2021755 100644
--- a/arch/mips/include/asm/txx9/tx4938.h
+++ b/arch/mips/include/asm/txx9/tx4938.h
@@ -291,6 +291,7 @@ int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
 void tx4938_setup_pcierr_irq(void);
 void tx4938_irq_init(void);
 void tx4938_mtd_init(int ch);
+void tx4938_ndfmc_init(unsigned int hold, unsigned int spw);
 
 struct tx4938ide_platform_info {
         /*
diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h
index 964ef7ede268..f02c50b3abfb 100644
--- a/arch/mips/include/asm/txx9/tx4939.h
+++ b/arch/mips/include/asm/txx9/tx4939.h
@@ -542,5 +542,7 @@ int tx4939_irq(void);
 void tx4939_mtd_init(int ch);
 void tx4939_ata_init(void);
 void tx4939_rtc_init(void);
+void tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
+                       unsigned char ch_mask, unsigned char wide_mask);
 
 #endif /* __ASM_TXX9_TX4939_H */
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index a13a08b8c9ec..8a266c6a3f58 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -32,6 +32,7 @@
 #include <asm/txx9/generic.h>
 #include <asm/txx9/pci.h>
 #include <asm/txx9tmr.h>
+#include <asm/txx9/ndfmc.h>
 #ifdef CONFIG_CPU_TX49XX
 #include <asm/txx9/tx4938.h>
 #endif
@@ -691,6 +692,26 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr,
 #endif
 }
 
+void __init txx9_ndfmc_init(unsigned long baseaddr,
+                            const struct txx9ndfmc_platform_data *pdata)
+{
+#if defined(CONFIG_MTD_NAND_TXX9NDFMC) || \
+        defined(CONFIG_MTD_NAND_TXX9NDFMC_MODULE)
+        struct resource res = {
+                .start = baseaddr,
+                .end = baseaddr + 0x1000 - 1,
+                .flags = IORESOURCE_MEM,
+        };
+        struct platform_device *pdev = platform_device_alloc("txx9ndfmc", -1);
+
+        if (!pdev ||
+            platform_device_add_resources(pdev, &res, 1) ||
+            platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||
+            platform_device_add(pdev))
+                platform_device_put(pdev);
+#endif
+}
+
 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 static DEFINE_SPINLOCK(txx9_iocled_lock);
 
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index 25819ff1c350..f0844f891f0b 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -23,6 +23,7 @@
 #include <asm/txx9tmr.h>
 #include <asm/txx9pio.h>
 #include <asm/txx9/generic.h>
+#include <asm/txx9/ndfmc.h>
 #include <asm/txx9/tx4938.h>
 
 static void __init tx4938_wdr_init(void)
@@ -382,6 +383,26 @@ void __init tx4938_ata_init(unsigned int irq, unsigned int shift, int tune)
                 platform_device_put(pdev);
 }
 
+void __init tx4938_ndfmc_init(unsigned int hold, unsigned int spw)
+{
+        struct txx9ndfmc_platform_data plat_data = {
+                .shift = 1,
+                .gbus_clock = txx9_gbus_clock,
+                .hold = hold,
+                .spw = spw,
+                .ch_mask = 1,
+        };
+        unsigned long baseaddr = TX4938_NDFMC_REG & 0xfffffffffULL;
+
+#ifdef __BIG_ENDIAN
+        baseaddr += 4;
+#endif
+        if ((__raw_readq(&tx4938_ccfgptr->pcfg) &
+             (TX4938_PCFG_ATA_SEL|TX4938_PCFG_ISA_SEL|TX4938_PCFG_NDF_SEL)) ==
+            TX4938_PCFG_NDF_SEL)
+                txx9_ndfmc_init(baseaddr, &plat_data);
+}
+
 static void __init tx4938_stop_unused_modules(void)
 {
         __u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c
index 55440967b3a8..7a25b573e9b0 100644
--- a/arch/mips/txx9/generic/setup_tx4939.c
+++ b/arch/mips/txx9/generic/setup_tx4939.c
@@ -27,6 +27,7 @@
 #include <asm/txx9irq.h>
 #include <asm/txx9tmr.h>
 #include <asm/txx9/generic.h>
+#include <asm/txx9/ndfmc.h>
 #include <asm/txx9/tx4939.h>
 
 static void __init tx4939_wdr_init(void)
@@ -457,6 +458,22 @@ void __init tx4939_rtc_init(void)
         platform_device_register(&rtc_dev);
 }
 
+void __init tx4939_ndfmc_init(unsigned int hold, unsigned int spw,
+                              unsigned char ch_mask, unsigned char wide_mask)
+{
+        struct txx9ndfmc_platform_data plat_data = {
+                .shift = 1,
+                .gbus_clock = txx9_gbus_clock,
+                .hold = hold,
+                .spw = spw,
+                .flags = NDFMC_PLAT_FLAG_NO_RSTR | NDFMC_PLAT_FLAG_HOLDADD |
+                         NDFMC_PLAT_FLAG_DUMMYWRITE,
+                .ch_mask = ch_mask,
+                .wide_mask = wide_mask,
+        };
+        txx9_ndfmc_init(TX4939_NDFMC_REG & 0xfffffffffULL, &plat_data);
+}
+
 static void __init tx4939_stop_unused_modules(void)
 {
         __u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index 547ff2920bf0..65d13df8878a 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -352,6 +352,8 @@ static void __init rbtx4938_device_init(void)
         rbtx4938_ne_init();
         tx4938_wdt_init();
         rbtx4938_mtd_init();
+        /* TC58DVM82A1FT: tDH=10ns, tWP=tRP=tREADID=35ns */
+        tx4938_ndfmc_init(10, 35);
         tx4938_ata_init(RBTX4938_IRQ_IOC_ATA, 0, 1);
         txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL);
 }
diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c
index 656603b85b71..011e1e332f47 100644
--- a/arch/mips/txx9/rbtx4939/setup.c
+++ b/arch/mips/txx9/rbtx4939/setup.c
@@ -16,6 +16,9 @@
 #include <linux/leds.h>
 #include <linux/interrupt.h>
 #include <linux/smc91x.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/map.h>
 #include <asm/reboot.h>
 #include <asm/txx9/generic.h>
 #include <asm/txx9/pci.h>
@@ -282,6 +285,159 @@ static void rbtx4939_7segled_putc(unsigned int pos, unsigned char val)
         __rbtx4939_7segled_putc(pos, val);
 }
 
+#if defined(CONFIG_MTD_RBTX4939) || defined(CONFIG_MTD_RBTX4939_MODULE)
+/* special mapping for boot rom */
+static unsigned long rbtx4939_flash_fixup_ofs(unsigned long ofs)
+{
+        u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f;
+        unsigned char shift;
+
+        if (bdipsw & 8) {
+                /* BOOT Mode: USER ROM1 / USER ROM2 */
+                shift = bdipsw & 3;
+                /* rotate A[23:22] */
+                return (ofs & ~0xc00000) | ((((ofs >> 22) + shift) & 3) << 22);
+        }
+#ifdef __BIG_ENDIAN
+        if (bdipsw == 0)
+                /* BOOT Mode: Monitor ROM */
+                ofs ^= 0x400000;        /* swap A[22] */
+#endif
+        return ofs;
+}
+
+static map_word rbtx4939_flash_read16(struct map_info *map, unsigned long ofs)
+{
+        map_word r;
+
+        ofs = rbtx4939_flash_fixup_ofs(ofs);
+        r.x[0] = __raw_readw(map->virt + ofs);
+        return r;
+}
+
+static void rbtx4939_flash_write16(struct map_info *map, const map_word datum,
+                                   unsigned long ofs)
+{
+        ofs = rbtx4939_flash_fixup_ofs(ofs);
+        __raw_writew(datum.x[0], map->virt + ofs);
+        mb();   /* see inline_map_write() in mtd/map.h */
+}
+
+static void rbtx4939_flash_copy_from(struct map_info *map, void *to,
+                                     unsigned long from, ssize_t len)
+{
+        u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f;
+        unsigned char shift;
+        ssize_t curlen;
+
+        from += (unsigned long)map->virt;
+        if (bdipsw & 8) {
+                /* BOOT Mode: USER ROM1 / USER ROM2 */
+                shift = bdipsw & 3;
+                while (len) {
+                        curlen = min_t(unsigned long, len,
+                                     0x400000 - (from & (0x400000 - 1)));
+                        memcpy(to,
+                               (void *)((from & ~0xc00000) |
+                                        ((((from >> 22) + shift) & 3) << 22)),
+                               curlen);
+                        len -= curlen;
+                        from += curlen;
+                        to += curlen;
+                }
+                return;
+        }
+#ifdef __BIG_ENDIAN
+        if (bdipsw == 0) {
+                /* BOOT Mode: Monitor ROM */
+                while (len) {
+                        curlen = min_t(unsigned long, len,
+                                     0x400000 - (from & (0x400000 - 1)));
+                        memcpy(to, (void *)(from ^ 0x400000), curlen);
+                        len -= curlen;
+                        from += curlen;
+                        to += curlen;
+                }
+                return;
+        }
+#endif
+        memcpy(to, (void *)from, len);
+}
+
+static void rbtx4939_flash_map_init(struct map_info *map)
+{
+        map->read = rbtx4939_flash_read16;
+        map->write = rbtx4939_flash_write16;
+        map->copy_from = rbtx4939_flash_copy_from;
+}
+
+static void __init rbtx4939_mtd_init(void)
+{
+        static struct {
+                struct platform_device dev;
+                struct resource res;
+                struct rbtx4939_flash_data data;
+        } pdevs[4];
+        int i;
+        static char names[4][8];
+        static struct mtd_partition parts[4];
+        struct rbtx4939_flash_data *boot_pdata = &pdevs[0].data;
+        u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f;
+
+        if (bdipsw & 8) {
+                /* BOOT Mode: USER ROM1 / USER ROM2 */
+                boot_pdata->nr_parts = 4;
+                for (i = 0; i < boot_pdata->nr_parts; i++) {
+                        sprintf(names[i], "img%d", 4 - i);
+                        parts[i].name = names[i];
+                        parts[i].size = 0x400000;
+                        parts[i].offset = MTDPART_OFS_NXTBLK;
+                }
+        } else if (bdipsw == 0) {
+                /* BOOT Mode: Monitor ROM */
+                boot_pdata->nr_parts = 2;
+                strcpy(names[0], "big");
+                strcpy(names[1], "little");
+                for (i = 0; i < boot_pdata->nr_parts; i++) {
+                        parts[i].name = names[i];
+                        parts[i].size = 0x400000;
+                        parts[i].offset = MTDPART_OFS_NXTBLK;
+                }
+        } else {
+                /* BOOT Mode: ROM Emulator */
+                boot_pdata->nr_parts = 2;
+                parts[0].name = "boot";
+                parts[0].offset = 0xc00000;
+                parts[0].size = 0x400000;
+                parts[1].name = "user";
+                parts[1].offset = 0;
+                parts[1].size = 0xc00000;
+        }
+        boot_pdata->parts = parts;
+        boot_pdata->map_init = rbtx4939_flash_map_init;
+
+        for (i = 0; i < ARRAY_SIZE(pdevs); i++) {
+                struct resource *r = &pdevs[i].res;
+                struct platform_device *dev = &pdevs[i].dev;
+
+                r->start = 0x1f000000 - i * 0x1000000;
+                r->end = r->start + 0x1000000 - 1;
+                r->flags = IORESOURCE_MEM;
+                pdevs[i].data.width = 2;
+                dev->num_resources = 1;
+                dev->resource = r;
+                dev->id = i;
+                dev->name = "rbtx4939-flash";
+                dev->dev.platform_data = &pdevs[i].data;
+                platform_device_register(dev);
+        }
+}
+#else
+static void __init rbtx4939_mtd_init(void)
+{
+}
+#endif
+
 static void __init rbtx4939_arch_init(void)
 {
         rbtx4939_pci_setup();
@@ -333,6 +489,11 @@ static void __init rbtx4939_device_init(void)
             platform_device_add_data(pdev, &smc_pdata, sizeof(smc_pdata)) ||
             platform_device_add(pdev))
                 platform_device_put(pdev);
+        rbtx4939_mtd_init();
+        /* TC58DVM82A1FT: tDH=10ns, tWP=tRP=tREADID=35ns */
+        tx4939_ndfmc_init(10, 35,
+                          (1 << 1) | (1 << 2),
+                          (1 << 2)); /* ch1:8bit, ch2:16bit */
         rbtx4939_led_setup();
         tx4939_wdt_init();
         tx4939_ata_init();