summaryrefslogtreecommitdiff
path: root/drivers/mtd/nand
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/Kconfig16
-rw-r--r--drivers/mtd/nand/Makefile5
-rw-r--r--drivers/mtd/nand/at91_nand.c223
-rw-r--r--drivers/mtd/nand/cafe.c770
-rw-r--r--drivers/mtd/nand/cafe_ecc.c1381
-rw-r--r--drivers/mtd/nand/cs553x_nand.c4
-rw-r--r--drivers/mtd/nand/diskonchip.c3
-rw-r--r--drivers/mtd/nand/nand_base.c133
-rw-r--r--drivers/mtd/nand/nand_bbt.c11
-rw-r--r--drivers/mtd/nand/nand_ecc.c4
-rw-r--r--drivers/mtd/nand/nandsim.c243
-rw-r--r--drivers/mtd/nand/ndfc.c2
-rw-r--r--drivers/mtd/nand/rtc_from4.c46
-rw-r--r--drivers/mtd/nand/s3c2410.c2
14 files changed, 2657 insertions, 186 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 1831340..358f55a 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -90,6 +90,7 @@ config MTD_NAND_RTC_FROM4
depends on MTD_NAND && SH_SOLUTION_ENGINE
select REED_SOLOMON
select REED_SOLOMON_DEC8
+ select BITREVERSE
help
This enables the driver for the Renesas Technology AG-AND
flash interface board (FROM_BOARD4)
@@ -132,6 +133,7 @@ config MTD_NAND_S3C2410_HWECC
config MTD_NAND_NDFC
tristate "NDFC NanD Flash Controller"
depends on MTD_NAND && 44x
+ select MTD_NAND_ECC_SMC
help
NDFC Nand Flash Controllers are integrated in EP44x SoCs
@@ -219,6 +221,13 @@ config MTD_NAND_SHARPSL
tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)"
depends on MTD_NAND && ARCH_PXA
+config MTD_NAND_CAFE
+ tristate "NAND support for OLPC CAFÉ chip"
+ depends on PCI
+ help
+ Use NAND flash attached to the CAFÉ chip designed for the $100
+ laptop.
+
config MTD_NAND_CS553X
tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)"
depends on MTD_NAND && X86_32 && (X86_PC || X86_GENERICARCH)
@@ -232,6 +241,13 @@ config MTD_NAND_CS553X
If you say "m", the module will be called "cs553x_nand.ko".
+config MTD_NAND_AT91
+ bool "Support for NAND Flash / SmartMedia on AT91"
+ depends on MTD_NAND && ARCH_AT91
+ help
+ Enables support for NAND Flash / Smart Media Card interface
+ on Atmel AT91 processors.
+
config MTD_NAND_NANDSIM
tristate "Support for NAND Flash Simulator"
depends on MTD_NAND && MTD_PARTITIONS
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index f747593..f7a53f0 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -6,6 +6,7 @@
obj-$(CONFIG_MTD_NAND) += nand.o nand_ecc.o
obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o
+obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o
obj-$(CONFIG_MTD_NAND_SPIA) += spia.o
obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o
obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
@@ -22,5 +23,7 @@ obj-$(CONFIG_MTD_NAND_TS7250) += ts7250.o
obj-$(CONFIG_MTD_NAND_NANDSIM) += nandsim.o
obj-$(CONFIG_MTD_NAND_CS553X) += cs553x_nand.o
obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o
+obj-$(CONFIG_MTD_NAND_AT91) += at91_nand.o
-nand-objs = nand_base.o nand_bbt.o
+nand-objs := nand_base.o nand_bbt.o
+cafe_nand-objs := cafe.o cafe_ecc.o
diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c
new file mode 100644
index 0000000..14b80cc
--- /dev/null
+++ b/drivers/mtd/nand/at91_nand.c
@@ -0,0 +1,223 @@
+/*
+ * drivers/mtd/nand/at91_nand.c
+ *
+ * Copyright (C) 2003 Rick Bronson
+ *
+ * Derived from drivers/mtd/nand/autcpu12.c
+ * Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
+ *
+ * Derived from drivers/mtd/spia.c
+ * Copyright (C) 2000 Steven J. Hill (sjhill@cotw.com)
+ *
+ * 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.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
+#include <asm/sizes.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+struct at91_nand_host {
+ struct nand_chip nand_chip;
+ struct mtd_info mtd;
+ void __iomem *io_base;
+ struct at91_nand_data *board;
+};
+
+/*
+ * Hardware specific access to control-lines
+ */
+static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct at91_nand_host *host = nand_chip->priv;
+
+ if (cmd == NAND_CMD_NONE)
+ return;
+
+ if (ctrl & NAND_CLE)
+ writeb(cmd, host->io_base + (1 << host->board->cle));
+ else
+ writeb(cmd, host->io_base + (1 << host->board->ale));
+}
+
+/*
+ * Read the Device Ready pin.
+ */
+static int at91_nand_device_ready(struct mtd_info *mtd)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct at91_nand_host *host = nand_chip->priv;
+
+ return at91_get_gpio_value(host->board->rdy_pin);
+}
+
+/*
+ * Enable NAND.
+ */
+static void at91_nand_enable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 0);
+}
+
+/*
+ * Disable NAND.
+ */
+static void at91_nand_disable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 1);
+}
+
+/*
+ * Probe for the NAND device.
+ */
+static int __init at91_nand_probe(struct platform_device *pdev)
+{
+ struct at91_nand_host *host;
+ struct mtd_info *mtd;
+ struct nand_chip *nand_chip;
+ int res;
+
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *partitions = NULL;
+ int num_partitions = 0;
+#endif
+
+ /* Allocate memory for the device structure (and zero it) */
+ host = kzalloc(sizeof(struct at91_nand_host), GFP_KERNEL);
+ if (!host) {
+ printk(KERN_ERR "at91_nand: failed to allocate device structure.\n");
+ return -ENOMEM;
+ }
+
+ host->io_base = ioremap(pdev->resource[0].start,
+ pdev->resource[0].end - pdev->resource[0].start + 1);
+ if (host->io_base == NULL) {
+ printk(KERN_ERR "at91_nand: ioremap failed\n");
+ kfree(host);
+ return -EIO;
+ }
+
+ mtd = &host->mtd;
+ nand_chip = &host->nand_chip;
+ host->board = pdev->dev.platform_data;
+
+ nand_chip->priv = host; /* link the private data structures */
+ mtd->priv = nand_chip;
+ mtd->owner = THIS_MODULE;
+
+ /* Set address of NAND IO lines */
+ nand_chip->IO_ADDR_R = host->io_base;
+ nand_chip->IO_ADDR_W = host->io_base;
+ nand_chip->cmd_ctrl = at91_nand_cmd_ctrl;
+ nand_chip->dev_ready = at91_nand_device_ready;
+ nand_chip->ecc.mode = NAND_ECC_SOFT; /* enable ECC */
+ nand_chip->chip_delay = 20; /* 20us command delay time */
+
+ if (host->board->bus_width_16) /* 16-bit bus width */
+ nand_chip->options |= NAND_BUSWIDTH_16;
+
+ platform_set_drvdata(pdev, host);
+ at91_nand_enable(host);
+
+ if (host->board->det_pin) {
+ if (at91_get_gpio_value(host->board->det_pin)) {
+ printk ("No SmartMedia card inserted.\n");
+ res = ENXIO;
+ goto out;
+ }
+ }
+
+ /* Scan to find existance of the device */
+ if (nand_scan(mtd, 1)) {
+ res = -ENXIO;
+ goto out;
+ }
+
+#ifdef CONFIG_MTD_PARTITIONS
+ if (host->board->partition_info)
+ partitions = host->board->partition_info(mtd->size, &num_partitions);
+
+ if ((!partitions) || (num_partitions == 0)) {
+ printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n");
+ res = ENXIO;
+ goto release;
+ }
+
+ res = add_mtd_partitions(mtd, partitions, num_partitions);
+#else
+ res = add_mtd_device(mtd);
+#endif
+
+ if (!res)
+ return res;
+
+release:
+ nand_release(mtd);
+out:
+ at91_nand_disable(host);
+ platform_set_drvdata(pdev, NULL);
+ iounmap(host->io_base);
+ kfree(host);
+ return res;
+}
+
+/*
+ * Remove a NAND device.
+ */
+static int __devexit at91_nand_remove(struct platform_device *pdev)
+{
+ struct at91_nand_host *host = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = &host->mtd;
+
+ nand_release(mtd);
+
+ at91_nand_disable(host);
+
+ iounmap(host->io_base);
+ kfree(host);
+
+ return 0;
+}
+
+static struct platform_driver at91_nand_driver = {
+ .probe = at91_nand_probe,
+ .remove = at91_nand_remove,
+ .driver = {
+ .name = "at91_nand",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91_nand_init(void)
+{
+ return platform_driver_register(&at91_nand_driver);
+}
+
+
+static void __exit at91_nand_exit(void)
+{
+ platform_driver_unregister(&at91_nand_driver);
+}
+
+
+module_init(at91_nand_init);
+module_exit(at91_nand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Rick Bronson");
+MODULE_DESCRIPTION("NAND/SmartMedia driver for AT91RM9200");
diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe.c
new file mode 100644
index 0000000..b8d9b64
--- /dev/null
+++ b/drivers/mtd/nand/cafe.c
@@ -0,0 +1,770 @@
+/*
+ * Driver for One Laptop Per Child ‘CAFÉ’ controller, aka Marvell 88ALP01
+ *
+ * Copyright © 2006 Red Hat, Inc.
+ * Copyright © 2006 David Woodhouse <dwmw2@infradead.org>
+ */
+
+#define DEBUG
+
+#include <linux/device.h>
+#undef DEBUG
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+
+#define CAFE_NAND_CTRL1 0x00
+#define CAFE_NAND_CTRL2 0x04
+#define CAFE_NAND_CTRL3 0x08
+#define CAFE_NAND_STATUS 0x0c
+#define CAFE_NAND_IRQ 0x10
+#define CAFE_NAND_IRQ_MASK 0x14
+#define CAFE_NAND_DATA_LEN 0x18
+#define CAFE_NAND_ADDR1 0x1c
+#define CAFE_NAND_ADDR2 0x20
+#define CAFE_NAND_TIMING1 0x24
+#define CAFE_NAND_TIMING2 0x28
+#define CAFE_NAND_TIMING3 0x2c
+#define CAFE_NAND_NONMEM 0x30
+#define CAFE_NAND_ECC_RESULT 0x3C
+#define CAFE_NAND_DMA_CTRL 0x40
+#define CAFE_NAND_DMA_ADDR0 0x44
+#define CAFE_NAND_DMA_ADDR1 0x48
+#define CAFE_NAND_ECC_SYN01 0x50
+#define CAFE_NAND_ECC_SYN23 0x54
+#define CAFE_NAND_ECC_SYN45 0x58
+#define CAFE_NAND_ECC_SYN67 0x5c
+#define CAFE_NAND_READ_DATA 0x1000
+#define CAFE_NAND_WRITE_DATA 0x2000
+
+#define CAFE_GLOBAL_CTRL 0x3004
+#define CAFE_GLOBAL_IRQ 0x3008
+#define CAFE_GLOBAL_IRQ_MASK 0x300c
+#define CAFE_NAND_RESET 0x3034
+
+int cafe_correct_ecc(unsigned char *buf,
+ unsigned short *chk_syndrome_list);
+
+struct cafe_priv {
+ struct nand_chip nand;
+ struct pci_dev *pdev;
+ void __iomem *mmio;
+ uint32_t ctl1;
+ uint32_t ctl2;
+ int datalen;
+ int nr_data;
+ int data_pos;
+ int page_addr;
+ dma_addr_t dmaaddr;
+ unsigned char *dmabuf;
+};
+
+static int usedma = 1;
+module_param(usedma, int, 0644);
+
+static int skipbbt = 0;
+module_param(skipbbt, int, 0644);
+
+static int debug = 0;
+module_param(debug, int, 0644);
+
+static int regdebug = 0;
+module_param(regdebug, int, 0644);
+
+static int checkecc = 1;
+module_param(checkecc, int, 0644);
+
+static int slowtiming = 0;
+module_param(slowtiming, int, 0644);
+
+/* Hrm. Why isn't this already conditional on something in the struct device? */
+#define cafe_dev_dbg(dev, args...) do { if (debug) dev_dbg(dev, ##args); } while(0)
+
+/* Make it easier to switch to PIO if we need to */
+#define cafe_readl(cafe, addr) readl((cafe)->mmio + CAFE_##addr)
+#define cafe_writel(cafe, datum, addr) writel(datum, (cafe)->mmio + CAFE_##addr)
+
+static int cafe_device_ready(struct mtd_info *mtd)
+{
+ struct cafe_priv *cafe = mtd->priv;
+ int result = !!(cafe_readl(cafe, NAND_STATUS) | 0x40000000);
+ uint32_t irqs = cafe_readl(cafe, NAND_IRQ);
+
+ cafe_writel(cafe, irqs, NAND_IRQ);
+
+ cafe_dev_dbg(&cafe->pdev->dev, "NAND device is%s ready, IRQ %x (%x) (%x,%x)\n",
+ result?"":" not", irqs, cafe_readl(cafe, NAND_IRQ),
+ cafe_readl(cafe, GLOBAL_IRQ), cafe_readl(cafe, GLOBAL_IRQ_MASK));
+
+ return result;
+}
+
+
+static void cafe_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+{
+ struct cafe_priv *cafe = mtd->priv;
+
+ if (usedma)
+ memcpy(cafe->dmabuf + cafe->datalen, buf, len);
+ else
+ memcpy_toio(cafe->mmio + CAFE_NAND_WRITE_DATA + cafe->datalen, buf, len);
+
+ cafe->datalen += len;
+
+ cafe_dev_dbg(&cafe->pdev->dev, "Copy 0x%x bytes to write buffer. datalen 0x%x\n",
+ len, cafe->datalen);
+}
+
+static void cafe_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+ struct cafe_priv *cafe = mtd->priv;
+
+ if (usedma)
+ memcpy(buf, cafe->dmabuf + cafe->datalen, len);
+ else
+ memcpy_fromio(buf, cafe->mmio + CAFE_NAND_READ_DATA + cafe->datalen, len);
+
+ cafe_dev_dbg(&cafe->pdev->dev, "Copy 0x%x bytes from position 0x%x in read buffer.\n",
+ len, cafe->datalen);
+ cafe->datalen += len;
+}
+
+static uint8_t cafe_read_byte(struct mtd_info *mtd)
+{
+ struct cafe_priv *cafe = mtd->priv;
+ uint8_t d;
+
+ cafe_read_buf(mtd, &d, 1);
+ cafe_dev_dbg(&cafe->pdev->dev, "Read %02x\n", d);
+
+ return d;
+}
+
+static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
+ int column, int page_addr)
+{
+ struct cafe_priv *cafe = mtd->priv;
+ int adrbytes = 0;
+ uint32_t ctl1;
+ uint32_t doneint = 0x80000000;
+
+ cafe_dev_dbg(&cafe->pdev->dev, "cmdfunc %02x, 0x%x, 0x%x\n",
+ command, column, page_addr);
+
+ if (command == NAND_CMD_ERASE2 || command == NAND_CMD_PAGEPROG) {
+ /* Second half of a command we already calculated */
+ cafe_writel(cafe, cafe->ctl2 | 0x100 | command, NAND_CTRL2);
+ ctl1 = cafe->ctl1;
+ cafe->ctl2 &= ~(1<<30);
+ cafe_dev_dbg(&cafe->pdev->dev, "Continue command, ctl1 %08x, #data %d\n",
+ cafe->ctl1, cafe->nr_data);
+ goto do_command;
+ }
+ /* Reset ECC engine */
+ cafe_writel(cafe, 0, NAND_CTRL2);
+
+ /* Emulate NAND_CMD_READOOB on large-page chips */
+ if (mtd->writesize > 512 &&
+ command == NAND_CMD_READOOB) {
+ column += mtd->writesize;
+ command = NAND_CMD_READ0;
+ }
+
+ /* FIXME: Do we need to send read command before sending data
+ for small-page chips, to position the buffer correctly? */
+
+ if (column != -1) {
+ cafe_writel(cafe, column, NAND_ADDR1);
+ adrbytes = 2;
+ if (page_addr != -1)
+ goto write_adr2;
+ } else if (page_addr != -1) {
+ cafe_writel(cafe, page_addr & 0xffff, NAND_ADDR1);
+ page_addr >>= 16;
+ write_adr2:
+ cafe_writel(cafe, page_addr, NAND_ADDR2);
+ adrbytes += 2;
+ if (mtd->size > mtd->writesize << 16)
+ adrbytes++;
+ }
+
+ cafe->data_pos = cafe->datalen = 0;
+
+ /* Set command valid bit */
+ ctl1 = 0x80000000 | command;
+
+ /* Set RD or WR bits as appropriate */
+ if (command == NAND_CMD_READID || command == NAND_CMD_STATUS) {
+ ctl1 |= (1<<26); /* rd */
+ /* Always 5 bytes, for now */
+ cafe->datalen = 4;
+ /* And one address cycle -- even for STATUS, since the controller doesn't work without */
+ adrbytes = 1;
+ } else if (command == NAND_CMD_READ0 || command == NAND_CMD_READ1 ||
+ command == NAND_CMD_READOOB || command == NAND_CMD_RNDOUT) {
+ ctl1 |= 1<<26; /* rd */
+ /* For now, assume just read to end of page */
+ cafe->datalen = mtd->writesize + mtd->oobsize - column;
+ } else if (command == NAND_CMD_SEQIN)
+ ctl1 |= 1<<25; /* wr */
+
+ /* Set number of address bytes */
+ if (adrbytes)
+ ctl1 |= ((adrbytes-1)|8) << 27;
+
+ if (command == NAND_CMD_SEQIN || command == NAND_CMD_ERASE1) {
+ /* Ignore the first command of a pair; the hardware
+ deals with them both at once, later */
+ cafe->ctl1 = ctl1;
+ cafe_dev_dbg(&cafe->pdev->dev, "Setup for delayed command, ctl1 %08x, dlen %x\n",
+ cafe->ctl1, cafe->datalen);
+ return;
+ }
+ /* RNDOUT and READ0 commands need a following byte */
+ if (command == NAND_CMD_RNDOUT)
+ cafe_writel(cafe, cafe->ctl2 | 0x100 | NAND_CMD_RNDOUTSTART, NAND_CTRL2);
+ else if (command == NAND_CMD_READ0 && mtd->writesize > 512)
+ cafe_writel(cafe, cafe->ctl2 | 0x100 | NAND_CMD_READSTART, NAND_CTRL2);
+
+ do_command:
+ cafe_dev_dbg(&cafe->pdev->dev, "dlen %x, ctl1 %x, ctl2 %x\n",
+ cafe->datalen, ctl1, cafe_readl(cafe, NAND_CTRL2));
+
+ /* NB: The datasheet lies -- we really should be subtracting 1 here */
+ cafe_writel(cafe, cafe->datalen, NAND_DATA_LEN);
+ cafe_writel(cafe, 0x90000000, NAND_IRQ);
+ if (usedma && (ctl1 & (3<<25))) {
+ uint32_t dmactl = 0xc0000000 + cafe->datalen;
+ /* If WR or RD bits set, set up DMA */
+ if (ctl1 & (1<<26)) {
+ /* It's a read */
+ dmactl |= (1<<29);
+ /* ... so it's done when the DMA is done, not just
+ the command. */
+ doneint = 0x10000000;
+ }
+ cafe_writel(cafe, dmactl, NAND_DMA_CTRL);
+ }
+ cafe->datalen = 0;
+
+ if (unlikely(regdebug)) {
+ int i;
+ printk("About to write command %08x to register 0\n", ctl1);
+ for (i=4; i< 0x5c; i+=4)
+ printk("Register %x: %08x\n", i, readl(cafe->mmio + i));
+ }
+
+ cafe_writel(cafe, ctl1, NAND_CTRL1);
+ /* Apply this short delay always to ensure that we do wait tWB in
+ * any case on any machine. */
+ ndelay(100);
+
+ if (1) {
+ int c = 500000;
+ uint32_t irqs;
+
+ while (c--) {
+ irqs = cafe_readl(cafe, NAND_IRQ);
+ if (irqs & doneint)
+ break;
+ udelay(1);
+ if (!(c % 100000))
+ cafe_dev_dbg(&cafe->pdev->dev, "Wait for ready, IRQ %x\n", irqs);
+ cpu_relax();
+ }
+ cafe_writel(cafe, doneint, NAND_IRQ);
+ cafe_dev_dbg(&cafe->pdev->dev, "Command %x completed after %d usec, irqs %x (%x)\n",
+ command, 500000-c, irqs, cafe_readl(cafe, NAND_IRQ));
+ }
+
+ WARN_ON(cafe->ctl2 & (1<<30));
+
+ switch (command) {
+
+ case NAND_CMD_CACHEDPROG:
+ case NAND_CMD_PAGEPROG:
+ case NAND_CMD_ERASE1:
+ case NAND_CMD_ERASE2:
+ case NAND_CMD_SEQIN:
+ case NAND_CMD_RNDIN:
+ case NAND_CMD_STATUS:
+ case NAND_CMD_DEPLETE1:
+ case NAND_CMD_RNDOUT:
+ case NAND_CMD_STATUS_ERROR:
+ case NAND_CMD_STATUS_ERROR0:
+ case NAND_CMD_STATUS_ERROR1:
+ case NAND_CMD_STATUS_ERROR2:
+ case NAND_CMD_STATUS_ERROR3:
+ cafe_writel(cafe, cafe->ctl2, NAND_CTRL2);
+ return;
+ }
+ nand_wait_ready(mtd);
+ cafe_writel(cafe, cafe->ctl2, NAND_CTRL2);
+}
+
+static void cafe_select_chip(struct mtd_info *mtd, int chipnr)
+{
+ //struct cafe_priv *cafe = mtd->priv;
+ // cafe_dev_dbg(&cafe->pdev->dev, "select_chip %d\n", chipnr);
+}
+
+static int cafe_nand_interrupt(int irq, void *id)
+{
+ struct mtd_info *mtd = id;
+ struct cafe_priv *cafe = mtd->priv;
+ uint32_t irqs = cafe_readl(cafe, NAND_IRQ);
+ cafe_writel(cafe, irqs & ~0x90000000, NAND_IRQ);
+ if (!irqs)
+ return IRQ_NONE;
+
+ cafe_dev_dbg(&cafe->pdev->dev, "irq, bits %x (%x)\n", irqs, cafe_readl(cafe, NAND_IRQ));
+ return IRQ_HANDLED;
+}
+
+static void cafe_nand_bug(struct mtd_info *mtd)
+{
+ BUG();
+}
+
+static int cafe_nand_write_oob(struct mtd_info *mtd,
+ struct nand_chip *chip, int page)
+{
+ int status = 0;
+
+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->writesize, page);
+ chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
+
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
+}
+
+/* Don't use -- use nand_read_oob_std for now */
+static int cafe_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
+ int page, int sndcmd)
+{
+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+ chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+ return 1;
+}
+/**
+ * cafe_nand_read_page_syndrome - {REPLACABLE] hardware ecc syndrom based page read
+ * @mtd: mtd info structure
+ * @chip: nand chip info structure
+ * @buf: buffer to store read data
+ *
+ * The hw generator calculates the error syndrome automatically. Therefor
+ * we need a special oob layout and handling.
+ */
+static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+ uint8_t *buf)
+{
+ struct cafe_priv *cafe = mtd->priv;
+
+ cafe_dev_dbg(&cafe->pdev->dev, "ECC result %08x SYN1,2 %08x\n",
+ cafe_readl(cafe, NAND_ECC_RESULT),
+ cafe_readl(cafe, NAND_ECC_SYN01));
+
+ chip->read_buf(mtd, buf, mtd->writesize);
+ chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+ if (checkecc && cafe_readl(cafe, NAND_ECC_RESULT) & (1<<18)) {
+ unsigned short syn[8];
+ int i;
+
+ for (i=0; i<8; i+=2) {
+ uint32_t tmp = cafe_readl(cafe, NAND_ECC_SYN01 + (i*2));
+ syn[i] = tmp & 0xfff;
+ syn[i+1] = (tmp >> 16) & 0xfff;
+ }
+
+ if ((i = cafe_correct_ecc(buf, syn)) < 0) {
+ dev_dbg(&cafe->pdev->dev, "Failed to correct ECC at %08x\n",
+ cafe_readl(cafe, NAND_ADDR2) * 2048);
+ for (i=0; i< 0x5c; i+=4)
+ printk("Register %x: %08x\n", i, readl(cafe->mmio + i));
+ mtd->ecc_stats.failed++;
+ } else {
+ dev_dbg(&cafe->pdev->dev, "Corrected %d symbol errors\n", i);
+ mtd->ecc_stats.corrected += i;
+ }
+ }
+
+
+ return 0;
+}
+
+static struct nand_ecclayout cafe_oobinfo_2048 = {
+ .eccbytes = 14,
+ .eccpos = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13},
+ .oobfree = {{14, 50}}
+};
+
+/* Ick. The BBT code really ought to be able to work this bit out
+ for itself from the above, at least for the 2KiB case */
+static uint8_t cafe_bbt_pattern_2048[] = { 'B', 'b', 't', '0' };
+static uint8_t cafe_mirror_pattern_2048[] = { '1', 't', 'b', 'B' };
+
+static uint8_t cafe_bbt_pattern_512[] = { 0xBB };
+static uint8_t cafe_mirror_pattern_512[] = { 0xBC };
+
+
+static struct nand_bbt_descr cafe_bbt_main_descr_2048 = {
+ .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+ | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+ .offs = 14,
+ .len = 4,
+ .veroffs = 18,
+ .maxblocks = 4,
+ .pattern = cafe_bbt_pattern_2048
+};
+
+static struct nand_bbt_descr cafe_bbt_mirror_descr_2048 = {
+ .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+ | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+ .offs = 14,
+ .len = 4,
+ .veroffs = 18,
+ .maxblocks = 4,
+ .pattern = cafe_mirror_pattern_2048
+};
+
+static struct nand_ecclayout cafe_oobinfo_512 = {
+ .eccbytes = 14,
+ .eccpos = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13},
+ .oobfree = {{14, 2}}
+};
+
+static struct nand_bbt_descr cafe_bbt_main_descr_512 = {
+ .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+ | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+ .offs = 14,
+ .len = 1,
+ .veroffs = 15,
+ .maxblocks = 4,
+ .pattern = cafe_bbt_pattern_512
+};
+
+static struct nand_bbt_descr cafe_bbt_mirror_descr_512 = {
+ .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
+ | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
+ .offs = 14,
+ .len = 1,
+ .veroffs = 15,
+ .maxblocks = 4,
+ .pattern = cafe_mirror_pattern_512
+};
+
+
+static void cafe_nand_write_page_lowlevel(struct mtd_info *mtd,
+ struct nand_chip *chip, const uint8_t *buf)
+{
+ struct cafe_priv *cafe = mtd->priv;
+
+ chip->write_buf(mtd, buf, mtd->writesize);
+ chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+ /* Set up ECC autogeneration */
+ cafe->ctl2 |= (1<<30);
+}
+
+static int cafe_nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+ const uint8_t *buf, int page, int cached, int raw)
+{
+ int status;
+
+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
+
+ if (unlikely(raw))
+ chip->ecc.write_page_raw(mtd, chip, buf);
+ else
+ chip->ecc.write_page(mtd, chip, buf);
+
+ /*
+ * Cached progamming disabled for now, Not sure if its worth the
+ * trouble. The speed gain is not very impressive. (2.3->2.6Mib/s)
+ */
+ cached = 0;
+
+ if (!cached || !(chip->options & NAND_CACHEPRG)) {
+
+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
+ /*
+ * See if operation failed and additional status checks are
+ * available
+ */
+ if ((status & NAND_STATUS_FAIL) && (chip->errstat))
+ status = chip->errstat(mtd, chip, FL_WRITING, status,
+ page);
+
+ if (status & NAND_STATUS_FAIL)
+ return -EIO;
+ } else {
+ chip->cmdfunc(mtd, NAND_CMD_CACHEDPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
+ }
+
+#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
+ /* Send command to read back the data */
+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
+
+ if (chip->verify_buf(mtd, buf, mtd->writesize))
+ return -EIO;
+#endif
+ return 0;
+}
+
+static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+{
+ return 0;
+}
+
+static int __devinit cafe_nand_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct mtd_info *mtd;
+ struct cafe_priv *cafe;
+ uint32_t ctrl;
+ int err = 0;
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ pci_set_master(pdev);
+
+ mtd = kzalloc(sizeof(*mtd) + sizeof(struct cafe_priv), GFP_KERNEL);
+ if (!mtd) {
+ dev_warn(&pdev->dev, "failed to alloc mtd_info\n");
+ return -ENOMEM;
+ }
+ cafe = (void *)(&mtd[1]);
+
+ mtd->priv = cafe;
+ mtd->owner = THIS_MODULE;
+
+ cafe->pdev = pdev;
+ cafe->mmio = pci_iomap(pdev, 0, 0);
+ if (!cafe->mmio) {
+ dev_warn(&pdev->dev, "failed to iomap\n");
+ err = -ENOMEM;
+ goto out_free_mtd;
+ }
+ cafe->dmabuf = dma_alloc_coherent(&cafe->pdev->dev, 2112 + sizeof(struct nand_buffers),
+ &cafe->dmaaddr, GFP_KERNEL);
+ if (!cafe->dmabuf) {
+ err = -ENOMEM;
+ goto out_ior;
+ }
+ cafe->nand.buffers = (void *)cafe->dmabuf + 2112;
+
+ cafe->nand.cmdfunc = cafe_nand_cmdfunc;
+ cafe->nand.dev_ready = cafe_device_ready;
+ cafe->nand.read_byte = cafe_read_byte;
+ cafe->nand.read_buf = cafe_read_buf;
+ cafe->nand.write_buf = cafe_write_buf;
+ cafe->nand.select_chip = cafe_select_chip;
+
+ cafe->nand.chip_delay = 0;
+
+ /* Enable the following for a flash based bad block table */
+ cafe->nand.options = NAND_USE_FLASH_BBT | NAND_NO_AUTOINCR | NAND_OWN_BUFFERS;
+
+ if (skipbbt) {
+ cafe->nand.options |= NAND_SKIP_BBTSCAN;
+ cafe->nand.block_bad = cafe_nand_block_bad;
+ }
+
+ /* Start off by resetting the NAND controller completely */
+ cafe_writel(cafe, 1, NAND_RESET);
+ cafe_writel(cafe, 0, NAND_RESET);
+
+ cafe_writel(cafe, 0xffffffff, NAND_IRQ_MASK);
+
+ /* Timings from Marvell's test code (not verified or calculated by us) */
+ if (!slowtiming) {
+ cafe_writel(cafe, 0x01010a0a, NAND_TIMING1);
+ cafe_writel(cafe, 0x24121212, NAND_TIMING2);
+ cafe_writel(cafe, 0x11000000, NAND_TIMING3);
+ } else {
+ cafe_writel(cafe, 0xffffffff, NAND_TIMING1);
+ cafe_writel(cafe, 0xffffffff, NAND_TIMING2);
+ cafe_writel(cafe, 0xffffffff, NAND_TIMING3);
+ }
+ cafe_writel(cafe, 0xffffffff, NAND_IRQ_MASK);
+ err = request_irq(pdev->irq, &cafe_nand_interrupt, SA_SHIRQ, "CAFE NAND", mtd);
+ if (err) {
+ dev_warn(&pdev->dev, "Could not register IRQ %d\n", pdev->irq);
+
+ goto out_free_dma;
+ }
+#if 1
+ /* Disable master reset, enable NAND clock */
+ ctrl = cafe_readl(cafe, GLOBAL_CTRL);
+ ctrl &= 0xffffeff0;
+ ctrl |= 0x00007000;
+ cafe_writel(cafe, ctrl | 0x05, GLOBAL_CTRL);
+ cafe_writel(cafe, ctrl | 0x0a, GLOBAL_CTRL);
+ cafe_writel(cafe, 0, NAND_DMA_CTRL);
+
+ cafe_writel(cafe, 0x7006, GLOBAL_CTRL);
+ cafe_writel(cafe, 0x700a, GLOBAL_CTRL);
+
+ /* Set up DMA address */
+ cafe_writel(cafe, cafe->dmaaddr & 0xffffffff, NAND_DMA_ADDR0);
+ if (sizeof(cafe->dmaaddr) > 4)
+ /* Shift in two parts to shut the compiler up */
+ cafe_writel(cafe, (cafe->dmaaddr >> 16) >> 16, NAND_DMA_ADDR1);
+ else
+ cafe_writel(cafe, 0, NAND_DMA_ADDR1);
+
+ cafe_dev_dbg(&cafe->pdev->dev, "Set DMA address to %x (virt %p)\n",
+ cafe_readl(cafe, NAND_DMA_ADDR0), cafe->dmabuf);
+
+ /* Enable NAND IRQ in global IRQ mask register */
+ cafe_writel(cafe, 0x80000007, GLOBAL_IRQ_MASK);
+ cafe_dev_dbg(&cafe->pdev->dev, "Control %x, IRQ mask %x\n",
+ cafe_readl(cafe, GLOBAL_CTRL), cafe_readl(cafe, GLOBAL_IRQ_MASK));
+#endif
+#if 1
+ mtd->writesize=2048;
+ mtd->oobsize = 0x40;
+ memset(cafe->dmabuf, 0x5a, 2112);
+ cafe->nand.cmdfunc(mtd, NAND_CMD_READID, 0, -1);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+#endif
+#if 0
+ cafe->nand.cmdfunc(mtd, NAND_CMD_READ0, 0, 0);
+ // nand_wait_ready(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+ cafe->nand.read_byte(mtd);
+#endif
+#if 0
+ writel(0x84600070, cafe->mmio);
+ udelay(10);
+ cafe_dev_dbg(&cafe->pdev->dev, "Status %x\n", cafe_readl(cafe, NAND_NONMEM));
+#endif
+ /* Scan to find existance of the device */
+ if (nand_scan_ident(mtd, 1)) {
+ err = -ENXIO;
+ goto out_irq;
+ }
+
+ cafe->ctl2 = 1<<27; /* Reed-Solomon ECC */
+ if (mtd->writesize == 2048)
+ cafe->ctl2 |= 1<<29; /* 2KiB page size */
+
+ /* Set up ECC according to the type of chip we found */
+ if (mtd->writesize == 2048) {
+ cafe->nand.ecc.layout = &cafe_oobinfo_2048;
+ cafe->nand.bbt_td = &cafe_bbt_main_descr_2048;
+ cafe->nand.bbt_md = &cafe_bbt_mirror_descr_2048;
+ } else if (mtd->writesize == 512) {
+ cafe->nand.ecc.layout = &cafe_oobinfo_512;
+ cafe->nand.bbt_td = &cafe_bbt_main_descr_512;
+ cafe->nand.bbt_md = &cafe_bbt_mirror_descr_512;
+ } else {
+ printk(KERN_WARNING "Unexpected NAND flash writesize %d. Aborting\n",
+ mtd->writesize);
+ goto out_irq;
+ }
+ cafe->nand.ecc.mode = NAND_ECC_HW_SYNDROME;
+ cafe->nand.ecc.size = mtd->writesize;
+ cafe->nand.ecc.bytes = 14;
+ cafe->nand.ecc.hwctl = (void *)cafe_nand_bug;
+ cafe->nand.ecc.calculate = (void *)cafe_nand_bug;
+ cafe->nand.ecc.correct = (void *)cafe_nand_bug;
+ cafe->nand.write_page = cafe_nand_write_page;
+ cafe->nand.ecc.write_page = cafe_nand_write_page_lowlevel;
+ cafe->nand.ecc.write_oob = cafe_nand_write_oob;
+ cafe->nand.ecc.read_page = cafe_nand_read_page;
+ cafe->nand.ecc.read_oob = cafe_nand_read_oob;
+
+ err = nand_scan_tail(mtd);
+ if (err)
+ goto out_irq;
+
+ pci_set_drvdata(pdev, mtd);
+ add_mtd_device(mtd);
+ goto out;
+
+ out_irq:
+ /* Disable NAND IRQ in global IRQ mask register */
+ cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
+ free_irq(pdev->irq, mtd);
+ out_free_dma:
+ dma_free_coherent(&cafe->pdev->dev, 2112, cafe->dmabuf, cafe->dmaaddr);
+ out_ior:
+ pci_iounmap(pdev, cafe->mmio);
+ out_free_mtd:
+ kfree(mtd);
+ out:
+ return err;
+}
+
+static void __devexit cafe_nand_remove(struct pci_dev *pdev)
+{
+ struct mtd_info *mtd = pci_get_drvdata(pdev);
+ struct cafe_priv *cafe = mtd->priv;
+
+ del_mtd_device(mtd);
+ /* Disable NAND IRQ in global IRQ mask register */
+ cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
+ free_irq(pdev->irq, mtd);
+ nand_release(mtd);
+ pci_iounmap(pdev, cafe->mmio);
+ dma_free_coherent(&cafe->pdev->dev, 2112, cafe->dmabuf, cafe->dmaaddr);
+ kfree(mtd);
+}
+
+static struct pci_device_id cafe_nand_tbl[] = {
+ { 0x11ab, 0x4100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MEMORY_FLASH << 8, 0xFFFF0 }
+};
+
+MODULE_DEVICE_TABLE(pci, cafe_nand_tbl);
+
+static struct pci_driver cafe_nand_pci_driver = {
+ .name = "CAFÉ NAND",
+ .id_table = cafe_nand_tbl,
+ .probe = cafe_nand_probe,
+ .remove = __devexit_p(cafe_nand_remove),
+#ifdef CONFIG_PMx
+ .suspend = cafe_nand_suspend,
+ .resume = cafe_nand_resume,
+#endif
+};
+
+static int cafe_nand_init(void)
+{
+ return pci_register_driver(&cafe_nand_pci_driver);
+}
+
+static void cafe_nand_exit(void)
+{
+ pci_unregister_driver(&cafe_nand_pci_driver);
+}
+module_init(cafe_nand_init);
+module_exit(cafe_nand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
+MODULE_DESCRIPTION("NAND flash driver for OLPC CAFE chip");
+
+/* Correct ECC for 2048 bytes of 0xff:
+ 41 a0 71 65 54 27 f3 93 ec a9 be ed 0b a1 */
+
+/* dwmw2's B-test board, in case of completely screwing it:
+Bad eraseblock 2394 at 0x12b40000
+Bad eraseblock 2627 at 0x14860000
+Bad eraseblock 3349 at 0x1a2a0000
+*/
diff --git a/drivers/mtd/nand/cafe_ecc.c b/drivers/mtd/nand/cafe_ecc.c
new file mode 100644
index 0000000..1b9fa05
--- /dev/null
+++ b/drivers/mtd/nand/cafe_ecc.c
@@ -0,0 +1,1381 @@
+/* Error correction for CAFÉ NAND controller
+ *
+ * © 2006 Marvell, Inc.
+ * Author: Tom Chiou
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+
+static unsigned short gf4096_mul(unsigned short, unsigned short);
+static unsigned short gf64_mul(unsigned short, unsigned short);
+static unsigned short gf4096_inv(unsigned short);
+static unsigned short err_pos(unsigned short);
+static void find_4bit_err_coefs(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short *);
+static void zero_4x5_col3(unsigned short[4][5]);
+static void zero_4x5_col2(unsigned short[4][5]);
+static void zero_4x5_col1(unsigned short[4][5]);
+static void swap_4x5_rows(unsigned short[4][5], int, int, int);
+static void swap_2x3_rows(unsigned short m[2][3]);
+static void solve_4x5(unsigned short m[4][5], unsigned short *, int *);
+static void sort_coefs(int *, unsigned short *, int);
+static void find_4bit_err_pats(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short *);
+static void find_3bit_err_coefs(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short,
+ unsigned short *);
+static void zero_3x4_col2(unsigned short[3][4]);
+static void zero_3x4_col1(unsigned short[3][4]);
+static void swap_3x4_rows(unsigned short[3][4], int, int, int);
+static void solve_3x4(unsigned short[3][4], unsigned short *, int *);
+static void find_3bit_err_pats(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short,
+ unsigned short *);
+
+static void find_2bit_err_pats(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short *);
+static void find_2x2_soln(unsigned short, unsigned short, unsigned short,
+ unsigned short, unsigned short, unsigned short,
+ unsigned short *);
+static void solve_2x3(unsigned short[2][3], unsigned short *);
+static int chk_no_err_only(unsigned short *, unsigned short *);
+static int chk_1_err_only(unsigned short *, unsigned short *);
+static int chk_2_err_only(unsigned short *, unsigned short *);
+static int chk_3_err_only(unsigned short *, unsigned short *);
+static int chk_4_err_only(unsigned short *, unsigned short *);
+
+static unsigned short gf64_mul(unsigned short a, unsigned short b)
+{
+ unsigned short tmp1, tmp2, tmp3, tmp4, tmp5;
+ unsigned short c_bit0, c_bit1, c_bit2, c_bit3, c_bit4, c_bit5, c;
+
+ tmp1 = ((a) ^ (a >> 5));
+ tmp2 = ((a >> 4) ^ (a >> 5));
+ tmp3 = ((a >> 3) ^ (a >> 4));
+ tmp4 = ((a >> 2) ^ (a >> 3));
+ tmp5 = ((a >> 1) ^ (a >> 2));
+
+ c_bit0 = ((a & b) ^ ((a >> 5) & (b >> 1)) ^ ((a >> 4) & (b >> 2)) ^
+ ((a >> 3) & (b >> 3)) ^ ((a >> 2) & (b >> 4)) ^ ((a >> 1) & (b >> 5))) & 0x1;
+
+ c_bit1 = (((a >> 1) & b) ^ (tmp1 & (b >> 1)) ^ (tmp2 & (b >> 2)) ^
+ (tmp3 & (b >> 3)) ^ (tmp4 & (b >> 4)) ^ (tmp5 & (b >> 5))) & 0x1;
+
+ c_bit2 = (((a >> 2) & b) ^ ((a >> 1) & (b >> 1)) ^ (tmp1 & (b >> 2)) ^
+ (tmp2 & (b >> 3)) ^ (tmp3 & (b >> 4)) ^ (tmp4 & (b >> 5))) & 0x1;
+
+ c_bit3 = (((a >> 3) & b) ^ ((a >> 2) & (b >> 1)) ^ ((a >> 1) & (b >> 2)) ^
+ (tmp1 & (b >> 3)) ^ (tmp2 & (b >> 4)) ^ (tmp3 & (b >> 5))) & 0x1;
+
+ c_bit4 = (((a >> 4) & b) ^ ((a >> 3) & (b >> 1)) ^ ((a >> 2) & (b >> 2)) ^
+ ((a >> 1) & (b >> 3)) ^ (tmp1 & (b >> 4)) ^ (tmp2 & (b >> 5))) & 0x1;
+
+ c_bit5 = (((a >> 5) & b) ^ ((a >> 4) & (b >> 1)) ^ ((a >> 3) & (b >> 2)) ^
+ ((a >> 2) & (b >> 3)) ^ ((a >> 1) & (b >> 4)) ^ (tmp1 & (b >> 5))) & 0x1;
+
+ c = c_bit0 | (c_bit1 << 1) | (c_bit2 << 2) | (c_bit3 << 3) | (c_bit4 << 4) | (c_bit5 << 5);
+
+ return c;
+}
+
+static unsigned short gf4096_mul(unsigned short a, unsigned short b)
+{
+ unsigned short ah, al, bh, bl, alxah, blxbh, ablh, albl, ahbh, ahbhB, c;
+
+ ah = (a >> 6) & 0x3f;
+ al = a & 0x3f;
+ bh = (b >> 6) & 0x3f;
+ bl = b & 0x3f;
+ alxah = al ^ ah;
+ blxbh = bl ^ bh;
+
+ ablh = gf64_mul(alxah, blxbh);
+ albl = gf64_mul(al, bl);
+ ahbh = gf64_mul(ah, bh);
+
+ ahbhB = ((ahbh & 0x1) << 5) |
+ ((ahbh & 0x20) >> 1) |
+ ((ahbh & 0x10) >> 1) | ((ahbh & 0x8) >> 1) | ((ahbh & 0x4) >> 1) | (((ahbh >> 1) ^ ahbh) & 0x1);
+
+ c = ((ablh ^ albl) << 6) | (ahbhB ^ albl);
+ return c;
+}
+
+static void find_2bit_err_pats(unsigned short s0, unsigned short s1, unsigned short r0, unsigned short r1, unsigned short *pats)
+{
+ find_2x2_soln(0x1, 0x1, r0, r1, s0, s1, pats);
+}
+
+static void find_3bit_err_coefs(unsigned short s0, unsigned short s1,
+ unsigned short s2, unsigned short s3, unsigned short s4, unsigned short s5, unsigned short *coefs)
+{
+ unsigned short m[3][4];
+ int row_order[3];
+
+ row_order[0] = 0;
+ row_order[1] = 1;
+ row_order[2] = 2;
+ m[0][0] = s2;
+ m[0][1] = s1;
+ m[0][2] = s0;
+ m[0][3] = s3;
+ m[1][0] = s3;
+ m[1][1] = s2;
+ m[1][2] = s1;
+ m[1][3] = s4;
+ m[2][0] = s4;
+ m[2][1] = s3;
+ m[2][2] = s2;
+ m[2][3] = s5;
+
+ if (m[0][2] != 0x0) {
+ zero_3x4_col2(m);
+ } else if (m[1][2] != 0x0) {
+ swap_3x4_rows(m, 0, 1, 4);
+ zero_3x4_col2(m);
+ } else if (m[2][2] != 0x0) {
+ swap_3x4_rows(m, 0, 2, 4);
+ zero_3x4_col2(m);
+ } else {
+ printk(KERN_ERR "Error: find_3bit_err_coefs, s0,s1,s2 all zeros!\n");
+ }
+
+ if (m[1][1] != 0x0) {
+ zero_3x4_col1(m);
+ } else if (m[2][1] != 0x0) {
+ swap_3x4_rows(m, 1, 2, 4);
+ zero_3x4_col1(m);
+ } else {
+ printk(KERN_ERR "Error: find_3bit_err_coefs, cannot resolve col 1!\n");
+ }
+
+ /* solve coefs */
+ solve_3x4(m, coefs, row_order);
+}
+
+static void zero_3x4_col2(unsigned short m[3][4])
+{
+ unsigned short minv1, minv2;
+
+ minv1 = gf4096_mul(m[1][2], gf4096_inv(m[0][2]));
+ minv2 = gf4096_mul(m[2][2], gf4096_inv(m[0][2]));
+ m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv1);
+ m[1][1] = m[1][1] ^ gf4096_mul(m[0][1], minv1);
+ m[1][3] = m[1][3] ^ gf4096_mul(m[0][3], minv1);
+ m[2][0] = m[2][0] ^ gf4096_mul(m[0][0], minv2);
+ m[2][1] = m[2][1] ^ gf4096_mul(m[0][1], minv2);
+ m[2][3] = m[2][3] ^ gf4096_mul(m[0][3], minv2);
+}
+
+static void zero_3x4_col1(unsigned short m[3][4])
+{
+ unsigned short minv;
+ minv = gf4096_mul(m[2][1], gf4096_inv(m[1][1]));
+ m[2][0] = m[2][0] ^ gf4096_mul(m[1][0], minv);
+ m[2][3] = m[2][3] ^ gf4096_mul(m[1][3], minv);
+}
+
+static void swap_3x4_rows(unsigned short m[3][4], int i, int j, int col_width)
+{
+ unsigned short tmp0;
+ int cnt;
+ for (cnt = 0; cnt < col_width; cnt++) {
+ tmp0 = m[i][cnt];
+ m[i][cnt] = m[j][cnt];
+ m[j][cnt] = tmp0;
+ }
+}
+
+static void solve_3x4(unsigned short m[3][4], unsigned short *coefs, int *row_order)
+{
+ unsigned short tmp[3];
+ tmp[0] = gf4096_mul(m[2][3], gf4096_inv(m[2][0]));
+ tmp[1] = gf4096_mul((gf4096_mul(tmp[0], m[1][0]) ^ m[1][3]), gf4096_inv(m[1][1]));
+ tmp[2] = gf4096_mul((gf4096_mul(tmp[0], m[0][0]) ^ gf4096_mul(tmp[1], m[0][1]) ^ m[0][3]), gf4096_inv(m[0][2]));
+ sort_coefs(row_order, tmp, 3);
+ coefs[0] = tmp[0];
+ coefs[1] = tmp[1];
+ coefs[2] = tmp[2];
+}
+
+static void find_3bit_err_pats(unsigned short s0, unsigned short s1,
+ unsigned short s2, unsigned short r0,
+ unsigned short r1, unsigned short r2,
+ unsigned short *pats)
+{
+ find_2x2_soln(r0 ^ r2, r1 ^ r2,
+ gf4096_mul(r0, r0 ^ r2), gf4096_mul(r1, r1 ^ r2),
+ gf4096_mul(s0, r2) ^ s1, gf4096_mul(s1, r2) ^ s2, pats);
+ pats[2] = s0 ^ pats[0] ^ pats[1];
+}
+
+static void find_4bit_err_coefs(unsigned short s0, unsigned short s1,
+ unsigned short s2, unsigned short s3,
+ unsigned short s4, unsigned short s5,
+ unsigned short s6, unsigned short s7,
+ unsigned short *coefs)
+{
+ unsigned short m[4][5];
+ int row_order[4];
+
+ row_order[0] = 0;
+ row_order[1] = 1;
+ row_order[2] = 2;
+ row_order[3] = 3;
+
+ m[0][0] = s3;
+ m[0][1] = s2;
+ m[0][2] = s1;
+ m[0][3] = s0;
+ m[0][4] = s4;
+ m[1][0] = s4;
+ m[1][1] = s3;
+ m[1][2] = s2;
+ m[1][3] = s1;
+ m[1][4] = s5;
+ m[2][0] = s5;
+ m[2][1] = s4;
+ m[2][2] = s3;
+ m[2][3] = s2;
+ m[2][4] = s6;
+ m[3][0] = s6;
+ m[3][1] = s5;
+ m[3][2] = s4;
+ m[3][3] = s3;
+ m[3][4] = s7;
+
+ if (m[0][3] != 0x0) {
+ zero_4x5_col3(m);
+ } else if (m[1][3] != 0x0) {
+ swap_4x5_rows(m, 0, 1, 5);
+ zero_4x5_col3(m);
+ } else if (m[2][3] != 0x0) {
+ swap_4x5_rows(m, 0, 2, 5);
+ zero_4x5_col3(m);
+ } else if (m[3][3] != 0x0) {
+ swap_4x5_rows(m, 0, 3, 5);
+ zero_4x5_col3(m);
+ } else {
+ printk(KERN_ERR "Error: find_4bit_err_coefs, s0,s1,s2,s3 all zeros!\n");
+ }
+
+ if (m[1][2] != 0x0) {
+ zero_4x5_col2(m);
+ } else if (m[2][2] != 0x0) {
+ swap_4x5_rows(m, 1, 2, 5);
+ zero_4x5_col2(m);
+ } else if (m[3][2] != 0x0) {
+ swap_4x5_rows(m, 1, 3, 5);
+ zero_4x5_col2(m);
+ } else {
+ printk(KERN_ERR "Error: find_4bit_err_coefs, cannot resolve col 2!\n");
+ }
+
+ if (m[2][1] != 0x0) {
+ zero_4x5_col1(m);
+ } else if (m[3][1] != 0x0) {
+ swap_4x5_rows(m, 2, 3, 5);
+ zero_4x5_col1(m);
+ } else {
+ printk(KERN_ERR "Error: find_4bit_err_coefs, cannot resolve col 1!\n");
+ }
+
+ solve_4x5(m, coefs, row_order);
+}
+
+static void zero_4x5_col3(unsigned short m[4][5])
+{
+ unsigned short minv1, minv2, minv3;
+
+ minv1 = gf4096_mul(m[1][3], gf4096_inv(m[0][3]));
+ minv2 = gf4096_mul(m[2][3], gf4096_inv(m[0][3]));
+ minv3 = gf4096_mul(m[3][3], gf4096_inv(m[0][3]));
+
+ m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv1);
+ m[1][1] = m[1][1] ^ gf4096_mul(m[0][1], minv1);
+ m[1][2] = m[1][2] ^ gf4096_mul(m[0][2], minv1);
+ m[1][4] = m[1][4] ^ gf4096_mul(m[0][4], minv1);
+ m[2][0] = m[2][0] ^ gf4096_mul(m[0][0], minv2);
+ m[2][1] = m[2][1] ^ gf4096_mul(m[0][1], minv2);
+ m[2][2] = m[2][2] ^ gf4096_mul(m[0][2], minv2);
+ m[2][4] = m[2][4] ^ gf4096_mul(m[0][4], minv2);
+ m[3][0] = m[3][0] ^ gf4096_mul(m[0][0], minv3);
+ m[3][1] = m[3][1] ^ gf4096_mul(m[0][1], minv3);
+ m[3][2] = m[3][2] ^ gf4096_mul(m[0][2], minv3);
+ m[3][4] = m[3][4] ^ gf4096_mul(m[0][4], minv3);
+}
+
+static void zero_4x5_col2(unsigned short m[4][5])
+{
+ unsigned short minv2, minv3;
+
+ minv2 = gf4096_mul(m[2][2], gf4096_inv(m[1][2]));
+ minv3 = gf4096_mul(m[3][2], gf4096_inv(m[1][2]));
+
+ m[2][0] = m[2][0] ^ gf4096_mul(m[1][0], minv2);
+ m[2][1] = m[2][1] ^ gf4096_mul(m[1][1], minv2);
+ m[2][4] = m[2][4] ^ gf4096_mul(m[1][4], minv2);
+ m[3][0] = m[3][0] ^ gf4096_mul(m[1][0], minv3);
+ m[3][1] = m[3][1] ^ gf4096_mul(m[1][1], minv3);
+ m[3][4] = m[3][4] ^ gf4096_mul(m[1][4], minv3);
+}
+
+static void zero_4x5_col1(unsigned short m[4][5])
+{
+ unsigned short minv;
+
+ minv = gf4096_mul(m[3][1], gf4096_inv(m[2][1]));
+
+ m[3][0] = m[3][0] ^ gf4096_mul(m[2][0], minv);
+ m[3][4] = m[3][4] ^ gf4096_mul(m[2][4], minv);
+}
+
+static void swap_4x5_rows(unsigned short m[4][5], int i, int j, int col_width)
+{
+ unsigned short tmp0;
+ int cnt;
+
+ for (cnt = 0; cnt < col_width; cnt++) {
+ tmp0 = m[i][cnt];
+ m[i][cnt] = m[j][cnt];
+ m[j][cnt] = tmp0;
+ }
+}
+
+static void solve_4x5(unsigned short m[4][5], unsigned short *coefs, int *row_order)
+{
+ unsigned short tmp[4];
+
+ tmp[0] = gf4096_mul(m[3][4], gf4096_inv(m[3][0]));
+ tmp[1] = gf4096_mul((gf4096_mul(tmp[0], m[2][0]) ^ m[2][4]), gf4096_inv(m[2][1]));
+ tmp[2] = gf4096_mul((gf4096_mul(tmp[0], m[1][0]) ^ gf4096_mul(tmp[1], m[1][1]) ^ m[1][4]), gf4096_inv(m[1][2]));
+ tmp[3] = gf4096_mul((gf4096_mul(tmp[0], m[0][0]) ^
+ gf4096_mul(tmp[1], m[0][1]) ^ gf4096_mul(tmp[2], m[0][2]) ^ m[0][4]), gf4096_inv(m[0][3]));
+ sort_coefs(row_order, tmp, 4);
+ coefs[0] = tmp[0];
+ coefs[1] = tmp[1];
+ coefs[2] = tmp[2];
+ coefs[3] = tmp[3];
+}
+
+static void sort_coefs(int *order, unsigned short *soln, int len)
+{
+ int cnt, start_cnt, least_ord, least_cnt;
+ unsigned short tmp0;
+ for (start_cnt = 0; start_cnt < len; start_cnt++) {
+ for (cnt = start_cnt; cnt < len; cnt++) {
+ if (cnt == start_cnt) {
+ least_ord = order[cnt];
+ least_cnt = start_cnt;
+ } else {
+ if (least_ord > order[cnt]) {
+ least_ord = order[cnt];
+ least_cnt = cnt;
+ }
+ }
+ }
+ if (least_cnt != start_cnt) {
+ tmp0 = order[least_cnt];
+ order[least_cnt] = order[start_cnt];
+ order[start_cnt] = tmp0;
+ tmp0 = soln[least_cnt];
+ soln[least_cnt] = soln[start_cnt];
+ soln[start_cnt] = tmp0;
+ }
+ }
+}
+
+static void find_4bit_err_pats(unsigned short s0, unsigned short s1,
+ unsigned short s2, unsigned short s3,
+ unsigned short z1, unsigned short z2,
+ unsigned short z3, unsigned short z4,
+ unsigned short *pats)
+{
+ unsigned short z4_z1, z3z4_z3z3, z4_z2, s0z4_s1, z1z4_z1z1,
+ z4_z3, z2z4_z2z2, s1z4_s2, z3z3z4_z3z3z3, z1z1z4_z1z1z1, z2z2z4_z2z2z2, s2z4_s3;
+ unsigned short tmp0, tmp1, tmp2, tmp3;
+
+ z4_z1 = z4 ^ z1;
+ z3z4_z3z3 = gf4096_mul(z3, z4) ^ gf4096_mul(z3, z3);
+ z4_z2 = z4 ^ z2;
+ s0z4_s1 = gf4096_mul(s0, z4) ^ s1;
+ z1z4_z1z1 = gf4096_mul(z1, z4) ^ gf4096_mul(z1, z1);
+ z4_z3 = z4 ^ z3;
+ z2z4_z2z2 = gf4096_mul(z2, z4) ^ gf4096_mul(z2, z2);
+ s1z4_s2 = gf4096_mul(s1, z4) ^ s2;
+ z3z3z4_z3z3z3 = gf4096_mul(gf4096_mul(z3, z3), z4) ^ gf4096_mul(gf4096_mul(z3, z3), z3);
+ z1z1z4_z1z1z1 = gf4096_mul(gf4096_mul(z1, z1), z4) ^ gf4096_mul(gf4096_mul(z1, z1), z1);
+ z2z2z4_z2z2z2 = gf4096_mul(gf4096_mul(z2, z2), z4) ^ gf4096_mul(gf4096_mul(z2, z2), z2);
+ s2z4_s3 = gf4096_mul(s2, z4) ^ s3;
+
+ //find err pat 0,1
+ find_2x2_soln(gf4096_mul(z4_z1, z3z4_z3z3) ^
+ gf4096_mul(z1z4_z1z1, z4_z3), gf4096_mul(z4_z2,
+ z3z4_z3z3) ^
+ gf4096_mul(z2z4_z2z2, z4_z3), gf4096_mul(z1z4_z1z1,
+ z3z3z4_z3z3z3) ^
+ gf4096_mul(z1z1z4_z1z1z1, z3z4_z3z3),
+ gf4096_mul(z2z4_z2z2,
+ z3z3z4_z3z3z3) ^ gf4096_mul(z2z2z4_z2z2z2,
+ z3z4_z3z3),
+ gf4096_mul(s0z4_s1, z3z4_z3z3) ^ gf4096_mul(s1z4_s2,
+ z4_z3),
+ gf4096_mul(s1z4_s2, z3z3z4_z3z3z3) ^ gf4096_mul(s2z4_s3, z3z4_z3z3), pats);
+ tmp0 = pats[0];
+ tmp1 = pats[1];
+ tmp2 = pats[0] ^ pats[1] ^ s0;
+ tmp3 = gf4096_mul(pats[0], z1) ^ gf4096_mul(pats[1], z2) ^ s1;
+
+ //find err pat 2,3
+ find_2x2_soln(0x1, 0x1, z3, z4, tmp2, tmp3, pats);
+ pats[2] = pats[0];
+ pats[3] = pats[1];
+ pats[0] = tmp0;
+ pats[1] = tmp1;
+}
+
+static void find_2x2_soln(unsigned short c00, unsigned short c01,
+ unsigned short c10, unsigned short c11,
+ unsigned short lval0, unsigned short lval1,
+ unsigned short *soln)
+{
+ unsigned short m[2][3];
+ m[0][0] = c00;
+ m[0][1] = c01;
+ m[0][2] = lval0;
+ m[1][0] = c10;
+ m[1][1] = c11;
+ m[1][2] = lval1;
+
+ if (m[0][1] != 0x0) {
+ /* */
+ } else if (m[1][1] != 0x0) {
+ swap_2x3_rows(m);
+ } else {
+ printk(KERN_ERR "Warning: find_2bit_err_coefs, s0,s1 all zeros!\n");
+ }
+
+ solve_2x3(m, soln);
+}
+
+static void swap_2x3_rows(unsigned short m[2][3])
+{
+ unsigned short tmp0;
+ int cnt;
+
+ for (cnt = 0; cnt < 3; cnt++) {
+ tmp0 = m[0][cnt];
+ m[0][cnt] = m[1][cnt];
+ m[1][cnt] = tmp0;
+ }
+}
+
+static void solve_2x3(unsigned short m[2][3], unsigned short *coefs)
+{
+ unsigned short minv;
+
+ minv = gf4096_mul(m[1][1], gf4096_inv(m[0][1]));
+ m[1][0] = m[1][0] ^ gf4096_mul(m[0][0], minv);
+ m[1][2] = m[1][2] ^ gf4096_mul(m[0][2], minv);
+ coefs[0] = gf4096_mul(m[1][2], gf4096_inv(m[1][0]));
+ coefs[1] = gf4096_mul((gf4096_mul(coefs[0], m[0][0]) ^ m[0][2]), gf4096_inv(m[0][1]));
+}
+
+static unsigned char gf64_inv[64] = {
+ 0, 1, 33, 62, 49, 43, 31, 44, 57, 37, 52, 28, 46, 40, 22, 25,
+ 61, 54, 51, 39, 26, 35, 14, 24, 23, 15, 20, 34, 11, 53, 45, 6,
+ 63, 2, 27, 21, 56, 9, 50, 19, 13, 47, 48, 5, 7, 30, 12, 41,
+ 42, 4, 38, 18, 10, 29, 17, 60, 36, 8, 59, 58, 55, 16, 3, 32
+};
+
+static unsigned short gf4096_inv(unsigned short din)
+{
+ unsigned short alahxal, ah2B, deno, inv, bl, bh;
+ unsigned short ah, al, ahxal;
+ unsigned short dout;
+
+ ah = (din >> 6) & 0x3f;
+ al = din & 0x3f;
+ ahxal = ah ^ al;
+ ah2B = (((ah ^ (ah >> 3)) & 0x1) << 5) |
+ ((ah >> 1) & 0x10) |
+ ((((ah >> 5) ^ (ah >> 2)) & 0x1) << 3) |
+ ((ah >> 2) & 0x4) | ((((ah >> 4) ^ (ah >> 1)) & 0x1) << 1) | (ah & 0x1);
+ alahxal = gf64_mul(ahxal, al);
+ deno = alahxal ^ ah2B;
+ inv = gf64_inv[deno];
+ bl = gf64_mul(inv, ahxal);
+ bh = gf64_mul(inv, ah);
+ dout = ((bh & 0x3f) << 6) | (bl & 0x3f);
+ return (((bh & 0x3f) << 6) | (bl & 0x3f));
+}
+
+static unsigned short err_pos_lut[4096] = {
+ 0xfff, 0x000, 0x451, 0xfff, 0xfff, 0x3cf, 0xfff, 0x041,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x28a, 0xfff, 0x492, 0xfff,
+ 0x145, 0xfff, 0xfff, 0x514, 0xfff, 0x082, 0xfff, 0xfff,
+ 0xfff, 0x249, 0x38e, 0x410, 0xfff, 0x104, 0x208, 0x1c7,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x2cb, 0xfff, 0xfff, 0xfff,
+ 0x0c3, 0x34d, 0x4d3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x186, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x30c, 0x555, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x166, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x385, 0x14e, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4e1,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x538, 0xfff, 0x16d, 0xfff,
+ 0xfff, 0xfff, 0x45b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x29c, 0x2cc, 0x30b, 0x2b3, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0b3, 0xfff, 0x2f7,
+ 0xfff, 0x32b, 0xfff, 0xfff, 0xfff, 0xfff, 0x0a7, 0xfff,
+ 0xfff, 0x2da, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x07e, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x11c, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x22f, 0xfff, 0x1f4, 0xfff, 0xfff,
+ 0x2b0, 0x504, 0xfff, 0x114, 0xfff, 0xfff, 0xfff, 0x21d,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x00d, 0x3c4, 0x340, 0x10f,
+ 0xfff, 0xfff, 0x266, 0x02e, 0xfff, 0xfff, 0xfff, 0x4f8,
+ 0x337, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x07b, 0x168, 0xfff, 0xfff, 0x0fe,
+ 0xfff, 0xfff, 0x51a, 0xfff, 0x458, 0xfff, 0x36d, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x073, 0x37d, 0x415, 0x550, 0xfff,
+ 0xfff, 0xfff, 0x23b, 0x4b4, 0xfff, 0xfff, 0xfff, 0x1a1,
+ 0xfff, 0xfff, 0x3aa, 0xfff, 0x117, 0x04d, 0x341, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x518, 0x03e, 0x0f2, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x363, 0xfff, 0x0b9, 0xfff, 0xfff,
+ 0x241, 0xfff, 0xfff, 0x049, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x15f, 0x52d, 0xfff, 0xfff, 0xfff, 0x29e, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x4cf, 0x0fc, 0xfff, 0x36f, 0x3d3, 0xfff,
+ 0x228, 0xfff, 0xfff, 0x45e, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x238, 0xfff, 0xfff, 0xfff, 0xfff, 0x47f, 0xfff, 0xfff,
+ 0x43a, 0x265, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x3e8,
+ 0xfff, 0xfff, 0x01a, 0xfff, 0xfff, 0xfff, 0xfff, 0x21e,
+ 0x1fc, 0x40b, 0xfff, 0xfff, 0xfff, 0x2d0, 0x159, 0xfff,
+ 0xfff, 0x313, 0xfff, 0xfff, 0x05c, 0x4cc, 0xfff, 0xfff,
+ 0x0f6, 0x3d5, 0xfff, 0xfff, 0xfff, 0x54f, 0xfff, 0xfff,
+ 0xfff, 0x172, 0x1e4, 0x07c, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x53c, 0x1ad, 0x535,
+ 0x19b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x092, 0xfff, 0x2be, 0xfff, 0xfff, 0x482,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0e6, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x476, 0xfff, 0x51d, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x342, 0x2b5, 0x22e, 0x09a, 0xfff, 0x08d,
+ 0x44f, 0x3ed, 0xfff, 0xfff, 0xfff, 0xfff, 0x3d1, 0xfff,
+ 0xfff, 0x543, 0xfff, 0x48f, 0xfff, 0x3d2, 0xfff, 0x0d5,
+ 0x113, 0x0ec, 0x427, 0xfff, 0xfff, 0xfff, 0x4c4, 0xfff,
+ 0xfff, 0x50a, 0xfff, 0x144, 0xfff, 0x105, 0x39f, 0x294,
+ 0x164, 0xfff, 0x31a, 0xfff, 0xfff, 0x49a, 0xfff, 0x130,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x1be, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x49e, 0x371, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x0e8, 0x49c, 0x0f4, 0xfff,
+ 0x338, 0x1a7, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x36c, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x1ae, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x31b, 0xfff, 0xfff, 0x2dd, 0x522, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2f4,
+ 0x3c6, 0x30d, 0xfff, 0xfff, 0xfff, 0xfff, 0x34c, 0x18f,
+ 0x30a, 0xfff, 0x01f, 0x079, 0xfff, 0xfff, 0x54d, 0x46b,
+ 0x28c, 0x37f, 0xfff, 0xfff, 0xfff, 0xfff, 0x355, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x14f, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x359, 0x3fe, 0x3c5, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x423, 0xfff, 0xfff, 0x34a, 0x22c, 0xfff,
+ 0x25a, 0xfff, 0xfff, 0x4ad, 0xfff, 0x28d, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x547, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x2e2, 0xfff, 0xfff, 0x1d5, 0xfff, 0x2a8, 0xfff, 0xfff,
+ 0x03f, 0xfff, 0xfff, 0xfff, 0xfff, 0x3eb, 0x0fa, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x55b, 0xfff,
+ 0x08e, 0xfff, 0x3ae, 0xfff, 0x3a4, 0xfff, 0x282, 0x158,
+ 0xfff, 0x382, 0xfff, 0xfff, 0x499, 0xfff, 0xfff, 0x08a,
+ 0xfff, 0xfff, 0xfff, 0x456, 0x3be, 0xfff, 0x1e2, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x559, 0xfff, 0x1a0, 0xfff,
+ 0xfff, 0x0b4, 0xfff, 0xfff, 0xfff, 0x2df, 0xfff, 0xfff,
+ 0xfff, 0x07f, 0x4f5, 0xfff, 0xfff, 0x27c, 0x133, 0x017,
+ 0xfff, 0x3fd, 0xfff, 0xfff, 0xfff, 0x44d, 0x4cd, 0x17a,
+ 0x0d7, 0x537, 0xfff, 0xfff, 0x353, 0xfff, 0xfff, 0x351,
+ 0x366, 0xfff, 0x44a, 0xfff, 0x1a6, 0xfff, 0xfff, 0xfff,
+ 0x291, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1e3,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x389, 0xfff, 0x07a, 0xfff,
+ 0x1b6, 0x2ed, 0xfff, 0xfff, 0xfff, 0xfff, 0x24e, 0x074,
+ 0xfff, 0xfff, 0x3dc, 0xfff, 0x4e3, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x4eb, 0xfff, 0xfff, 0x3b8, 0x4de, 0xfff, 0x19c,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x262,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x076, 0x4e8, 0x3da,
+ 0xfff, 0x531, 0xfff, 0xfff, 0x14a, 0xfff, 0x0a2, 0x433,
+ 0x3df, 0x1e9, 0xfff, 0xfff, 0xfff, 0xfff, 0x3e7, 0x285,
+ 0x2d8, 0xfff, 0xfff, 0xfff, 0x349, 0x18d, 0x098, 0xfff,
+ 0x0df, 0x4bf, 0xfff, 0xfff, 0x0b2, 0xfff, 0x346, 0x24d,
+ 0xfff, 0xfff, 0xfff, 0x24f, 0x4fa, 0x2f9, 0xfff, 0xfff,
+ 0x3c9, 0xfff, 0x2b4, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x056, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x179, 0xfff, 0x0e9, 0x3f0, 0x33d, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x1fd, 0xfff, 0xfff, 0x526, 0xfff,
+ 0xfff, 0xfff, 0x53d, 0xfff, 0xfff, 0xfff, 0x170, 0x331,
+ 0xfff, 0x068, 0xfff, 0xfff, 0xfff, 0x3f7, 0xfff, 0x3d8,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x09f, 0x556, 0xfff, 0xfff, 0x02d, 0xfff, 0xfff,
+ 0x553, 0xfff, 0xfff, 0xfff, 0x1f0, 0xfff, 0xfff, 0x4d6,
+ 0x41e, 0xfff, 0xfff, 0xfff, 0xfff, 0x4d5, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x248, 0xfff, 0xfff, 0xfff, 0x0a3,
+ 0xfff, 0x217, 0xfff, 0xfff, 0xfff, 0x4f1, 0x209, 0xfff,
+ 0xfff, 0x475, 0x234, 0x52b, 0x398, 0xfff, 0x08b, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x2c2, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x268, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x4a3, 0xfff, 0x0aa, 0xfff, 0x1d9, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x155, 0xfff, 0xfff, 0xfff, 0xfff, 0x0bf,
+ 0x539, 0xfff, 0xfff, 0x2f1, 0x545, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x2a7, 0x06f, 0xfff, 0x378, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x25e, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x15d, 0x02a, 0xfff, 0xfff, 0x0bc,
+ 0x235, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x150, 0xfff, 0x1a9, 0xfff, 0xfff, 0xfff, 0xfff, 0x381,
+ 0xfff, 0x04e, 0x270, 0x13f, 0xfff, 0xfff, 0x405, 0xfff,
+ 0x3cd, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x2ef, 0xfff, 0x06a, 0xfff, 0xfff, 0xfff, 0x34f,
+ 0x212, 0xfff, 0xfff, 0x0e2, 0xfff, 0x083, 0x298, 0xfff,
+ 0xfff, 0xfff, 0x0c2, 0xfff, 0xfff, 0x52e, 0xfff, 0x488,
+ 0xfff, 0xfff, 0xfff, 0x36b, 0xfff, 0xfff, 0xfff, 0x442,
+ 0x091, 0xfff, 0x41c, 0xfff, 0xfff, 0x3a5, 0xfff, 0x4e6,
+ 0xfff, 0xfff, 0x40d, 0x31d, 0xfff, 0xfff, 0xfff, 0x4c1,
+ 0x053, 0xfff, 0x418, 0x13c, 0xfff, 0x350, 0xfff, 0x0ae,
+ 0xfff, 0xfff, 0x41f, 0xfff, 0x470, 0xfff, 0x4ca, 0xfff,
+ 0xfff, 0xfff, 0x02b, 0x450, 0xfff, 0x1f8, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x293, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x411, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x0b8, 0xfff, 0xfff, 0xfff,
+ 0x3e1, 0xfff, 0xfff, 0xfff, 0xfff, 0x43c, 0xfff, 0x2b2,
+ 0x2ab, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ec,
+ 0xfff, 0xfff, 0xfff, 0x3f8, 0x034, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x11a, 0xfff, 0x541, 0x45c, 0x134,
+ 0x1cc, 0xfff, 0xfff, 0xfff, 0x469, 0xfff, 0xfff, 0x44b,
+ 0x161, 0xfff, 0xfff, 0xfff, 0x055, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x307, 0xfff, 0xfff, 0xfff, 0xfff, 0x2d1, 0xfff,
+ 0xfff, 0xfff, 0x124, 0x37b, 0x26b, 0x336, 0xfff, 0xfff,
+ 0x2e4, 0x3cb, 0xfff, 0xfff, 0x0f8, 0x3c8, 0xfff, 0xfff,
+ 0xfff, 0x461, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4b5,
+ 0x2cf, 0xfff, 0xfff, 0xfff, 0x20f, 0xfff, 0x35a, 0xfff,
+ 0x490, 0xfff, 0x185, 0xfff, 0xfff, 0xfff, 0xfff, 0x42e,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x54b, 0xfff, 0xfff, 0xfff,
+ 0x146, 0xfff, 0x412, 0xfff, 0xfff, 0xfff, 0x1ff, 0xfff,
+ 0xfff, 0x3e0, 0xfff, 0xfff, 0xfff, 0xfff, 0x2d5, 0xfff,
+ 0x4df, 0x505, 0xfff, 0x413, 0xfff, 0x1a5, 0xfff, 0x3b2,
+ 0xfff, 0xfff, 0xfff, 0x35b, 0xfff, 0x116, 0xfff, 0xfff,
+ 0x171, 0x4d0, 0xfff, 0x154, 0x12d, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x468, 0x4db, 0xfff,
+ 0xfff, 0x1df, 0xfff, 0xfff, 0xfff, 0xfff, 0x05a, 0xfff,
+ 0x0f1, 0x403, 0xfff, 0x22b, 0x2e0, 0xfff, 0xfff, 0xfff,
+ 0x2b7, 0x373, 0xfff, 0xfff, 0xfff, 0xfff, 0x13e, 0xfff,
+ 0xfff, 0xfff, 0x0d0, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x329, 0x1d2, 0x3fa, 0x047, 0xfff, 0x2f2, 0xfff, 0xfff,
+ 0x141, 0x0ac, 0x1d7, 0xfff, 0x07d, 0xfff, 0xfff, 0xfff,
+ 0x1c1, 0xfff, 0x487, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x045, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x288, 0x0cd, 0xfff, 0xfff, 0xfff, 0xfff, 0x226, 0x1d8,
+ 0xfff, 0x153, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4cb,
+ 0x528, 0xfff, 0xfff, 0xfff, 0x20a, 0x343, 0x3a1, 0xfff,
+ 0xfff, 0xfff, 0x2d7, 0x2d3, 0x1aa, 0x4c5, 0xfff, 0xfff,
+ 0xfff, 0x42b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3e9, 0xfff, 0x20b, 0x260,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x37c, 0x2fd,
+ 0xfff, 0xfff, 0x2c8, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x31e, 0xfff, 0x335, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x135, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x35c, 0x4dd, 0x129, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x1ef, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x34e, 0xfff, 0xfff, 0xfff, 0xfff, 0x407, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3ad, 0xfff, 0xfff, 0xfff,
+ 0x379, 0xfff, 0xfff, 0x1d0, 0x38d, 0xfff, 0xfff, 0x1e8,
+ 0x184, 0x3c1, 0x1c4, 0xfff, 0x1f9, 0xfff, 0xfff, 0x424,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x1d3, 0x0d4, 0xfff, 0x4e9,
+ 0xfff, 0xfff, 0xfff, 0x530, 0x107, 0xfff, 0x106, 0x04f,
+ 0xfff, 0xfff, 0x4c7, 0x503, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x15c, 0xfff, 0x23f, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x4f3, 0xfff, 0xfff, 0x3c7,
+ 0xfff, 0x278, 0xfff, 0xfff, 0x0a6, 0xfff, 0xfff, 0xfff,
+ 0x122, 0x1cf, 0xfff, 0x327, 0xfff, 0x2e5, 0xfff, 0x29d,
+ 0xfff, 0xfff, 0x3f1, 0xfff, 0xfff, 0x48d, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x054, 0xfff, 0xfff, 0xfff, 0xfff, 0x178,
+ 0x27e, 0x4e0, 0x352, 0x02f, 0x09c, 0xfff, 0x2a0, 0xfff,
+ 0xfff, 0x46a, 0x457, 0xfff, 0xfff, 0x501, 0xfff, 0x2ba,
+ 0xfff, 0xfff, 0xfff, 0x54e, 0x2e7, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x551, 0xfff, 0xfff, 0x1db, 0x2aa, 0xfff,
+ 0xfff, 0x4bc, 0xfff, 0xfff, 0x395, 0xfff, 0x0de, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x455, 0xfff, 0x17e,
+ 0xfff, 0x221, 0x4a7, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x388, 0xfff, 0xfff, 0xfff, 0x308, 0xfff, 0xfff, 0xfff,
+ 0x20e, 0x4b9, 0xfff, 0x273, 0x20c, 0x09e, 0xfff, 0x057,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3f2, 0xfff, 0x1a8, 0x3a6,
+ 0x14c, 0xfff, 0xfff, 0x071, 0xfff, 0xfff, 0x53a, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x109, 0xfff, 0xfff, 0x399, 0xfff,
+ 0x061, 0x4f0, 0x39e, 0x244, 0xfff, 0x035, 0xfff, 0xfff,
+ 0x305, 0x47e, 0x297, 0xfff, 0xfff, 0x2b8, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1bc, 0xfff, 0x2fc,
+ 0xfff, 0xfff, 0x554, 0xfff, 0xfff, 0xfff, 0xfff, 0x3b6,
+ 0xfff, 0xfff, 0xfff, 0x515, 0x397, 0xfff, 0xfff, 0x12f,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4e5,
+ 0xfff, 0x4fc, 0xfff, 0xfff, 0x05e, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x0a8, 0x3af, 0x015, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x138, 0xfff, 0xfff, 0xfff, 0x540, 0xfff, 0xfff,
+ 0xfff, 0x027, 0x523, 0x2f0, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x16c, 0xfff, 0x27d, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x04c, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4dc,
+ 0xfff, 0xfff, 0x059, 0x301, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x1a3, 0xfff, 0x15a, 0xfff, 0xfff,
+ 0x0a5, 0xfff, 0x435, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x051, 0xfff, 0xfff, 0x131, 0xfff, 0x4f4, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x441, 0xfff, 0x4fb, 0xfff, 0x03b,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ed, 0x274,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0d3, 0x55e, 0x1b3,
+ 0xfff, 0x0bd, 0xfff, 0xfff, 0xfff, 0xfff, 0x225, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x4b7, 0xfff, 0xfff, 0x2ff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4c3, 0xfff,
+ 0x383, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2f6,
+ 0xfff, 0xfff, 0x1ee, 0xfff, 0x03d, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x26f, 0x1dc, 0xfff, 0x0db, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x0ce, 0xfff, 0xfff, 0x127, 0x03a,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x311, 0xfff,
+ 0xfff, 0x13d, 0x09d, 0x47b, 0x2a6, 0x50d, 0x510, 0x19a,
+ 0xfff, 0x354, 0x414, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x44c, 0x3b0, 0xfff, 0x23d, 0x429, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x4c0, 0x416, 0xfff, 0x05b, 0xfff, 0xfff, 0x137, 0xfff,
+ 0x25f, 0x49f, 0xfff, 0x279, 0x013, 0xfff, 0xfff, 0xfff,
+ 0x269, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x3d0, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x077, 0xfff, 0xfff, 0x3fb,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x271, 0x3a0, 0xfff, 0xfff,
+ 0x40f, 0xfff, 0xfff, 0x3de, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ab, 0x26a,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x489, 0xfff, 0xfff,
+ 0x252, 0xfff, 0xfff, 0xfff, 0xfff, 0x1b7, 0x42f, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x3b7,
+ 0xfff, 0x2bb, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x0f7, 0x01d, 0xfff, 0x067, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x4e2, 0xfff, 0xfff, 0x4bb, 0xfff,
+ 0xfff, 0xfff, 0x17b, 0xfff, 0x0ee, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x36e, 0xfff, 0xfff, 0xfff, 0x533, 0xfff,
+ 0xfff, 0xfff, 0x4d4, 0x356, 0xfff, 0xfff, 0x375, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x4a4, 0x513, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4ff, 0xfff, 0x2af,
+ 0xfff, 0xfff, 0x026, 0xfff, 0x0ad, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x26e, 0xfff, 0xfff, 0xfff, 0xfff, 0x493, 0xfff,
+ 0x463, 0x4d2, 0x4be, 0xfff, 0xfff, 0xfff, 0xfff, 0x4f2,
+ 0x0b6, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x32d, 0x315, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x13a, 0x4a1, 0xfff, 0x27a, 0xfff, 0xfff, 0xfff,
+ 0x47a, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x334, 0xfff, 0xfff, 0xfff, 0xfff, 0x54c, 0xfff, 0xfff,
+ 0xfff, 0x0c9, 0x007, 0xfff, 0xfff, 0x12e, 0xfff, 0x0ff,
+ 0xfff, 0xfff, 0x3f5, 0x509, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x1c3, 0x2ad, 0xfff, 0xfff, 0x47c, 0x261, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x152, 0xfff, 0xfff, 0xfff, 0x339,
+ 0xfff, 0x243, 0x1c0, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x063, 0xfff, 0xfff, 0x254, 0xfff, 0xfff, 0x173, 0xfff,
+ 0x0c7, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x362, 0x259, 0x485, 0x374, 0x0dc, 0x3ab, 0xfff,
+ 0x1c5, 0x534, 0x544, 0xfff, 0xfff, 0x508, 0xfff, 0x402,
+ 0x408, 0xfff, 0x0e7, 0xfff, 0xfff, 0x00a, 0x205, 0xfff,
+ 0xfff, 0x2b9, 0xfff, 0xfff, 0xfff, 0x465, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x23a, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x147, 0x19d, 0x115, 0x214, 0xfff, 0x090, 0x368,
+ 0xfff, 0x210, 0xfff, 0xfff, 0x280, 0x52a, 0x163, 0x148,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x326, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x2de, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x206, 0x2c1, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x189, 0xfff, 0xfff, 0xfff, 0xfff, 0x367, 0xfff, 0x1a4,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x443, 0xfff, 0x27b,
+ 0xfff, 0xfff, 0x251, 0x549, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x188, 0x04b, 0xfff, 0xfff, 0xfff, 0x31f,
+ 0x4a6, 0xfff, 0x246, 0x1de, 0x156, 0xfff, 0xfff, 0xfff,
+ 0x3a9, 0xfff, 0xfff, 0xfff, 0x2fa, 0xfff, 0x128, 0x0d1,
+ 0x449, 0x255, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x258, 0xfff, 0xfff, 0xfff,
+ 0x532, 0xfff, 0xfff, 0xfff, 0x303, 0x517, 0xfff, 0xfff,
+ 0x2a9, 0x24a, 0xfff, 0xfff, 0x231, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x4b6, 0x516, 0xfff, 0xfff, 0x0e4, 0x0eb,
+ 0xfff, 0x4e4, 0xfff, 0x275, 0xfff, 0xfff, 0x031, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x025, 0x21a, 0xfff, 0x0cc,
+ 0x45f, 0x3d9, 0x289, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x23e, 0xfff, 0xfff, 0xfff, 0x438, 0x097,
+ 0x419, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x0a9, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x37e, 0x0e0, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x431,
+ 0x372, 0xfff, 0xfff, 0xfff, 0x1ba, 0x06e, 0xfff, 0x1b1,
+ 0xfff, 0xfff, 0x12a, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x193, 0xfff, 0xfff, 0xfff, 0xfff, 0x10a,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x048, 0x1b4,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x295, 0x140, 0x108, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x16f, 0xfff, 0x0a4, 0x37a, 0xfff,
+ 0x29a, 0xfff, 0x284, 0xfff, 0xfff, 0xfff, 0xfff, 0x4c6,
+ 0x2a2, 0x3a3, 0xfff, 0x201, 0xfff, 0xfff, 0xfff, 0x4bd,
+ 0x005, 0x54a, 0x3b5, 0x204, 0x2ee, 0x11d, 0x436, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3ec, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x11f, 0x498, 0x21c, 0xfff,
+ 0xfff, 0xfff, 0x3d6, 0xfff, 0x4ab, 0xfff, 0x432, 0x2eb,
+ 0x542, 0x4fd, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x4ce, 0xfff, 0xfff, 0x2fb, 0xfff,
+ 0xfff, 0x2e1, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x1b9, 0x037, 0x0dd,
+ 0xfff, 0xfff, 0xfff, 0x2bf, 0x521, 0x496, 0x095, 0xfff,
+ 0xfff, 0x328, 0x070, 0x1bf, 0xfff, 0x393, 0xfff, 0xfff,
+ 0x102, 0xfff, 0xfff, 0x21b, 0xfff, 0x142, 0x263, 0x519,
+ 0xfff, 0x2a5, 0x177, 0xfff, 0x14d, 0x471, 0x4ae, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x1f6, 0xfff, 0x481, 0xfff, 0xfff, 0xfff, 0x151, 0xfff,
+ 0xfff, 0xfff, 0x085, 0x33f, 0xfff, 0xfff, 0xfff, 0x084,
+ 0xfff, 0xfff, 0xfff, 0x345, 0x3a2, 0xfff, 0xfff, 0x0a0,
+ 0x0da, 0x024, 0xfff, 0xfff, 0xfff, 0x1bd, 0xfff, 0x55c,
+ 0x467, 0x445, 0xfff, 0xfff, 0xfff, 0x052, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x51e, 0xfff, 0xfff, 0x39d, 0xfff, 0x35f,
+ 0xfff, 0x376, 0x3ee, 0xfff, 0xfff, 0xfff, 0xfff, 0x448,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x16a,
+ 0xfff, 0x036, 0x38f, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x211,
+ 0xfff, 0xfff, 0xfff, 0x230, 0xfff, 0xfff, 0x3ba, 0xfff,
+ 0xfff, 0xfff, 0x3ce, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x229, 0xfff, 0x176, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x00b, 0xfff, 0x162, 0x018, 0xfff,
+ 0xfff, 0x233, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x400, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x12b, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x3f4, 0xfff, 0x0f0, 0xfff, 0x1ac, 0xfff, 0xfff,
+ 0x119, 0xfff, 0x2c0, 0xfff, 0xfff, 0xfff, 0x49b, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x23c, 0xfff,
+ 0x4b3, 0x010, 0x064, 0xfff, 0xfff, 0x4ba, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x3c2, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x006, 0x196, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x100, 0x191, 0xfff,
+ 0x1ea, 0x29f, 0xfff, 0xfff, 0xfff, 0x276, 0xfff, 0xfff,
+ 0x2b1, 0x3b9, 0xfff, 0x03c, 0xfff, 0xfff, 0xfff, 0x180,
+ 0xfff, 0x08f, 0xfff, 0xfff, 0x19e, 0x019, 0xfff, 0x0b0,
+ 0x0fd, 0x332, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x06b, 0x2e8, 0xfff, 0x446, 0xfff, 0xfff, 0x004,
+ 0x247, 0x197, 0xfff, 0x112, 0x169, 0x292, 0xfff, 0x302,
+ 0xfff, 0xfff, 0x33b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x287, 0x21f, 0xfff, 0x3ea, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x4e7, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x3a8, 0xfff, 0xfff, 0x2bc, 0xfff,
+ 0x484, 0x296, 0xfff, 0x1c9, 0x08c, 0x1e5, 0x48a, 0xfff,
+ 0x360, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x1ca, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x10d, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x066, 0x2ea, 0x28b, 0x25b, 0xfff, 0x072,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x2b6, 0xfff, 0xfff, 0x272,
+ 0xfff, 0xfff, 0x525, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x2ca, 0xfff, 0xfff, 0xfff, 0x299, 0xfff, 0xfff, 0xfff,
+ 0x558, 0x41a, 0xfff, 0x4f7, 0x557, 0xfff, 0x4a0, 0x344,
+ 0x12c, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x125,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x40e, 0xfff, 0xfff, 0x502, 0xfff, 0x103, 0x3e6, 0xfff,
+ 0x527, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x45d, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x44e, 0xfff, 0xfff, 0xfff, 0xfff, 0x0d2, 0x4c9, 0x35e,
+ 0x459, 0x2d9, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x17d,
+ 0x0c4, 0xfff, 0xfff, 0xfff, 0x3ac, 0x390, 0x094, 0xfff,
+ 0x483, 0x0ab, 0xfff, 0x253, 0xfff, 0x391, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x123, 0x0ef, 0xfff, 0xfff, 0xfff, 0x330,
+ 0x38c, 0xfff, 0xfff, 0x2ae, 0xfff, 0xfff, 0xfff, 0x042,
+ 0x012, 0x06d, 0xfff, 0xfff, 0xfff, 0x32a, 0x3db, 0x364,
+ 0x2dc, 0xfff, 0x30f, 0x3d7, 0x4a5, 0x050, 0xfff, 0xfff,
+ 0x029, 0xfff, 0xfff, 0xfff, 0xfff, 0x1d1, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x480, 0xfff,
+ 0x4ed, 0x081, 0x0a1, 0xfff, 0xfff, 0xfff, 0x30e, 0x52f,
+ 0x257, 0xfff, 0xfff, 0x447, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x401, 0x3cc, 0xfff, 0xfff, 0x0fb,
+ 0x2c9, 0x42a, 0x314, 0x33e, 0x3bd, 0x318, 0xfff, 0x10e,
+ 0x2a1, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x24c,
+ 0x506, 0xfff, 0x267, 0xfff, 0xfff, 0x219, 0xfff, 0x1eb,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x309, 0x3e2, 0x46c, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x384, 0xfff, 0xfff, 0xfff, 0xfff, 0x50c, 0xfff, 0x24b,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x038,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x194,
+ 0x143, 0x3e3, 0xfff, 0xfff, 0xfff, 0x4c2, 0xfff, 0xfff,
+ 0x0e1, 0x25c, 0xfff, 0x237, 0xfff, 0x1fe, 0xfff, 0xfff,
+ 0xfff, 0x065, 0x2a4, 0xfff, 0x386, 0x55a, 0x11b, 0xfff,
+ 0xfff, 0x192, 0xfff, 0x183, 0x00e, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x4b2, 0x18e, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x486, 0x4ef, 0x0c6, 0x380, 0xfff, 0x4a8, 0xfff,
+ 0x0c5, 0xfff, 0xfff, 0xfff, 0xfff, 0x093, 0x1b8, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2e6,
+ 0xfff, 0x0f3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x28e, 0xfff, 0x53b, 0x420, 0x22a, 0x33a, 0xfff, 0x387,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2a3, 0xfff, 0xfff,
+ 0xfff, 0x428, 0x500, 0xfff, 0xfff, 0x120, 0x2c6, 0x290,
+ 0x2f5, 0x0e3, 0xfff, 0x0b7, 0xfff, 0x319, 0x474, 0xfff,
+ 0xfff, 0xfff, 0x529, 0x014, 0xfff, 0x41b, 0x40a, 0x18b,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x0d9,
+ 0xfff, 0x38a, 0xfff, 0xfff, 0xfff, 0xfff, 0x1ce, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3b1, 0xfff, 0xfff, 0x05d,
+ 0x2c4, 0xfff, 0xfff, 0x4af, 0xfff, 0x030, 0xfff, 0xfff,
+ 0x203, 0xfff, 0x277, 0x256, 0xfff, 0xfff, 0xfff, 0x4f9,
+ 0xfff, 0x2c7, 0xfff, 0x466, 0x016, 0x1cd, 0xfff, 0x167,
+ 0xfff, 0xfff, 0x0c8, 0xfff, 0x43d, 0xfff, 0xfff, 0x020,
+ 0xfff, 0xfff, 0x232, 0x1cb, 0x1e0, 0xfff, 0xfff, 0x347,
+ 0xfff, 0x478, 0xfff, 0x365, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x358, 0xfff, 0x10b, 0xfff, 0x35d, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x452, 0x22d, 0xfff, 0xfff, 0x47d, 0xfff,
+ 0x2f3, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x460, 0xfff,
+ 0xfff, 0xfff, 0x50b, 0xfff, 0xfff, 0xfff, 0x2ec, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x4b1, 0x422, 0xfff, 0xfff,
+ 0xfff, 0x2d4, 0xfff, 0x239, 0xfff, 0xfff, 0xfff, 0x439,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x491, 0x075, 0xfff, 0xfff, 0xfff, 0x06c, 0xfff,
+ 0xfff, 0x0f9, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x139, 0xfff, 0x4f6, 0xfff, 0xfff, 0x409, 0xfff,
+ 0xfff, 0x15b, 0xfff, 0xfff, 0x348, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x4a2, 0x49d, 0xfff, 0x033, 0x175, 0xfff, 0x039,
+ 0xfff, 0x312, 0x40c, 0xfff, 0xfff, 0x325, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x4aa, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0x165, 0x3bc, 0x48c, 0x310, 0x096,
+ 0xfff, 0xfff, 0x250, 0x1a2, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x20d, 0x2ac, 0xfff, 0xfff, 0x39b, 0xfff, 0x377, 0xfff,
+ 0x512, 0x495, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x357, 0x4ea, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x198, 0xfff, 0xfff, 0xfff, 0x434, 0x04a,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x062, 0xfff, 0x1d6, 0x1c8,
+ 0xfff, 0x1f3, 0x281, 0xfff, 0x462, 0xfff, 0xfff, 0xfff,
+ 0x4b0, 0xfff, 0x207, 0xfff, 0xfff, 0xfff, 0xfff, 0x3dd,
+ 0xfff, 0xfff, 0x55d, 0xfff, 0x552, 0x494, 0x1af, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x227, 0xfff, 0xfff, 0x069,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x43e,
+ 0x0b5, 0xfff, 0x524, 0x2d2, 0xfff, 0xfff, 0xfff, 0x28f,
+ 0xfff, 0x01b, 0x50e, 0xfff, 0xfff, 0x1bb, 0xfff, 0xfff,
+ 0x41d, 0xfff, 0x32e, 0x48e, 0xfff, 0x1f7, 0x224, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x394, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x52c, 0xfff, 0xfff, 0xfff, 0x392, 0xfff, 0x1e7,
+ 0xfff, 0xfff, 0x3f9, 0x3a7, 0xfff, 0x51f, 0xfff, 0x0bb,
+ 0x118, 0x3ca, 0xfff, 0x1dd, 0xfff, 0x48b, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x50f, 0xfff, 0x0d6, 0xfff, 0x1fa, 0xfff,
+ 0x11e, 0xfff, 0xfff, 0xfff, 0xfff, 0x4d7, 0xfff, 0x078,
+ 0x008, 0xfff, 0x25d, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x032, 0x33c, 0xfff, 0x4d9, 0x160, 0xfff, 0xfff, 0x300,
+ 0x0b1, 0xfff, 0x322, 0xfff, 0x4ec, 0xfff, 0xfff, 0x200,
+ 0x00c, 0x369, 0x473, 0xfff, 0xfff, 0x32c, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x53e, 0x3d4, 0x417, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x34b, 0x001, 0x39a, 0x02c, 0xfff, 0xfff, 0x2ce, 0x00f,
+ 0xfff, 0x0ba, 0xfff, 0xfff, 0xfff, 0xfff, 0x060, 0xfff,
+ 0x406, 0xfff, 0xfff, 0xfff, 0x4ee, 0x4ac, 0xfff, 0x43f,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x29b, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x216,
+ 0x190, 0xfff, 0x396, 0x464, 0xfff, 0xfff, 0x323, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x2e9, 0xfff, 0x26d,
+ 0x2cd, 0x040, 0xfff, 0xfff, 0xfff, 0xfff, 0x38b, 0x3c0,
+ 0xfff, 0xfff, 0xfff, 0x1f2, 0xfff, 0x0ea, 0xfff, 0xfff,
+ 0x472, 0xfff, 0x1fb, 0xfff, 0xfff, 0x0af, 0x27f, 0xfff,
+ 0xfff, 0xfff, 0x479, 0x023, 0xfff, 0x0d8, 0x3b3, 0xfff,
+ 0xfff, 0xfff, 0x121, 0xfff, 0xfff, 0x3bf, 0xfff, 0xfff,
+ 0x16b, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x45a, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x0be, 0xfff, 0xfff, 0xfff, 0x111, 0xfff, 0x220,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x09b, 0x218, 0xfff, 0x022, 0x202, 0xfff,
+ 0x4c8, 0xfff, 0x0ed, 0xfff, 0xfff, 0x182, 0xfff, 0xfff,
+ 0xfff, 0x17f, 0x213, 0xfff, 0x321, 0x36a, 0xfff, 0x086,
+ 0xfff, 0xfff, 0xfff, 0x43b, 0x088, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x26c, 0xfff, 0x2f8, 0x3b4, 0xfff, 0xfff, 0xfff,
+ 0x132, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x333, 0x444,
+ 0x0c1, 0x4d8, 0x46d, 0x264, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x426, 0xfff, 0xfff, 0xfff, 0xfff, 0x2fe, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x011, 0xfff, 0x05f, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0x10c, 0x101, 0xfff, 0xfff, 0xfff, 0xfff, 0x110,
+ 0xfff, 0x044, 0x304, 0x361, 0x404, 0xfff, 0x51b, 0x099,
+ 0xfff, 0x440, 0xfff, 0xfff, 0xfff, 0x222, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0x1b5, 0xfff, 0x136, 0x430, 0xfff, 0x1da,
+ 0xfff, 0xfff, 0xfff, 0x043, 0xfff, 0x17c, 0xfff, 0xfff,
+ 0xfff, 0x01c, 0xfff, 0xfff, 0xfff, 0x425, 0x236, 0xfff,
+ 0x317, 0xfff, 0xfff, 0x437, 0x3fc, 0xfff, 0x1f1, 0xfff,
+ 0x324, 0xfff, 0xfff, 0x0ca, 0x306, 0xfff, 0x548, 0xfff,
+ 0x46e, 0xfff, 0xfff, 0xfff, 0x4b8, 0x1c2, 0x286, 0xfff,
+ 0xfff, 0x087, 0x18a, 0x19f, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x18c, 0xfff, 0x215, 0xfff, 0xfff, 0xfff, 0xfff, 0x283,
+ 0xfff, 0xfff, 0xfff, 0x126, 0xfff, 0xfff, 0x370, 0xfff,
+ 0x53f, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0x31c, 0xfff,
+ 0x4d1, 0xfff, 0xfff, 0xfff, 0x021, 0xfff, 0x157, 0xfff,
+ 0xfff, 0x028, 0x16e, 0xfff, 0x421, 0xfff, 0x1c6, 0xfff,
+ 0xfff, 0x511, 0xfff, 0xfff, 0x39c, 0x46f, 0x1b2, 0xfff,
+ 0xfff, 0x316, 0xfff, 0xfff, 0x009, 0xfff, 0xfff, 0x195,
+ 0xfff, 0x240, 0x546, 0xfff, 0xfff, 0x520, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x454, 0xfff, 0xfff, 0xfff,
+ 0x3f3, 0xfff, 0xfff, 0x187, 0xfff, 0x4a9, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x51c, 0x453, 0x1e6, 0xfff,
+ 0xfff, 0xfff, 0x1b0, 0xfff, 0x477, 0xfff, 0xfff, 0xfff,
+ 0x4fe, 0xfff, 0x32f, 0xfff, 0xfff, 0x15e, 0x1d4, 0xfff,
+ 0x0e5, 0xfff, 0xfff, 0xfff, 0x242, 0x14b, 0x046, 0xfff,
+ 0x3f6, 0x3bb, 0x3e4, 0xfff, 0xfff, 0x2e3, 0xfff, 0x245,
+ 0xfff, 0x149, 0xfff, 0xfff, 0xfff, 0x2db, 0xfff, 0xfff,
+ 0x181, 0xfff, 0x089, 0x2c5, 0xfff, 0x1f5, 0xfff, 0x2d6,
+ 0x507, 0xfff, 0x42d, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0x080, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff, 0xfff,
+ 0xfff, 0xfff, 0xfff, 0xfff, 0x3c3, 0x320, 0xfff, 0x1e1,
+ 0xfff, 0x0f5, 0x13b, 0xfff, 0xfff, 0xfff, 0x003, 0x4da,
+ 0xfff, 0xfff, 0xfff, 0x42c, 0xfff, 0xfff, 0x0cb, 0xfff,
+ 0x536, 0x2c3, 0xfff, 0xfff, 0xfff, 0xfff, 0x199, 0xfff,
+ 0xfff, 0x0c0, 0xfff, 0x01e, 0x497, 0xfff, 0xfff, 0x3e5,
+ 0xfff, 0xfff, 0xfff, 0x0cf, 0xfff, 0x2bd, 0xfff, 0x223,
+ 0xfff, 0x3ff, 0xfff, 0x058, 0x174, 0x3ef, 0xfff, 0x002
+};
+
+static unsigned short err_pos(unsigned short din)
+{
+ BUG_ON(din > 4096);
+ return err_pos_lut[din];
+}
+static int chk_no_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info)
+{
+ if ((chk_syndrome_list[0] | chk_syndrome_list[1] |
+ chk_syndrome_list[2] | chk_syndrome_list[3] |
+ chk_syndrome_list[4] | chk_syndrome_list[5] |
+ chk_syndrome_list[6] | chk_syndrome_list[7]) != 0x0) {
+ return -EINVAL;
+ } else {
+ err_info[0] = 0x0;
+ return 0;
+ }
+}
+static int chk_1_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info)
+{
+ unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;
+ tmp0 = gf4096_mul(chk_syndrome_list[1], gf4096_inv(chk_syndrome_list[0]));
+ tmp1 = gf4096_mul(chk_syndrome_list[2], gf4096_inv(chk_syndrome_list[1]));
+ tmp2 = gf4096_mul(chk_syndrome_list[3], gf4096_inv(chk_syndrome_list[2]));
+ tmp3 = gf4096_mul(chk_syndrome_list[4], gf4096_inv(chk_syndrome_list[3]));
+ tmp4 = gf4096_mul(chk_syndrome_list[5], gf4096_inv(chk_syndrome_list[4]));
+ tmp5 = gf4096_mul(chk_syndrome_list[6], gf4096_inv(chk_syndrome_list[5]));
+ tmp6 = gf4096_mul(chk_syndrome_list[7], gf4096_inv(chk_syndrome_list[6]));
+ if ((tmp0 == tmp1) & (tmp1 == tmp2) & (tmp2 == tmp3) & (tmp3 == tmp4) & (tmp4 == tmp5) & (tmp5 == tmp6)) {
+ err_info[0] = 0x1; // encode 1-symbol error as 0x1
+ err_info[1] = err_pos(tmp0);
+ err_info[1] = (unsigned short)(0x55e - err_info[1]);
+ err_info[5] = chk_syndrome_list[0];
+ return 0;
+ } else
+ return -EINVAL;
+}
+static int chk_2_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info)
+{
+ unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ unsigned short coefs[4];
+ unsigned short err_pats[4];
+ int found_num_root = 0;
+ unsigned short bit2_root0, bit2_root1;
+ unsigned short bit2_root0_inv, bit2_root1_inv;
+ unsigned short err_loc_eqn, test_root;
+ unsigned short bit2_loc0, bit2_loc1;
+ unsigned short bit2_pat0, bit2_pat1;
+
+ find_2x2_soln(chk_syndrome_list[1],
+ chk_syndrome_list[0],
+ chk_syndrome_list[2], chk_syndrome_list[1], chk_syndrome_list[2], chk_syndrome_list[3], coefs);
+ for (test_root = 0x1; test_root < 0xfff; test_root++) {
+ err_loc_eqn =
+ gf4096_mul(coefs[1], gf4096_mul(test_root, test_root)) ^ gf4096_mul(coefs[0], test_root) ^ 0x1;
+ if (err_loc_eqn == 0x0) {
+ if (found_num_root == 0) {
+ bit2_root0 = test_root;
+ found_num_root = 1;
+ } else if (found_num_root == 1) {
+ bit2_root1 = test_root;
+ found_num_root = 2;
+ break;
+ }
+ }
+ }
+ if (found_num_root != 2)
+ return -EINVAL;
+ else {
+ bit2_root0_inv = gf4096_inv(bit2_root0);
+ bit2_root1_inv = gf4096_inv(bit2_root1);
+ find_2bit_err_pats(chk_syndrome_list[0],
+ chk_syndrome_list[1], bit2_root0_inv, bit2_root1_inv, err_pats);
+ bit2_pat0 = err_pats[0];
+ bit2_pat1 = err_pats[1];
+ //for(x+1)
+ tmp0 = gf4096_mul(gf4096_mul(bit2_root0_inv, bit2_root0_inv), gf4096_mul(bit2_root0_inv, bit2_root0_inv)); //rinv0^4
+ tmp1 = gf4096_mul(bit2_root0_inv, tmp0); //rinv0^5
+ tmp2 = gf4096_mul(bit2_root0_inv, tmp1); //rinv0^6
+ tmp3 = gf4096_mul(bit2_root0_inv, tmp2); //rinv0^7
+ tmp4 = gf4096_mul(gf4096_mul(bit2_root1_inv, bit2_root1_inv), gf4096_mul(bit2_root1_inv, bit2_root1_inv)); //rinv1^4
+ tmp5 = gf4096_mul(bit2_root1_inv, tmp4); //rinv1^5
+ tmp6 = gf4096_mul(bit2_root1_inv, tmp5); //rinv1^6
+ tmp7 = gf4096_mul(bit2_root1_inv, tmp6); //rinv1^7
+ //check if only 2-bit error
+ if ((chk_syndrome_list[4] ==
+ (gf4096_mul(bit2_pat0, tmp0) ^
+ gf4096_mul(bit2_pat1,
+ tmp4))) & (chk_syndrome_list[5] ==
+ (gf4096_mul(bit2_pat0, tmp1) ^
+ gf4096_mul(bit2_pat1,
+ tmp5))) &
+ (chk_syndrome_list[6] ==
+ (gf4096_mul(bit2_pat0, tmp2) ^
+ gf4096_mul(bit2_pat1,
+ tmp6))) & (chk_syndrome_list[7] ==
+ (gf4096_mul(bit2_pat0, tmp3) ^ gf4096_mul(bit2_pat1, tmp7)))) {
+ if ((err_pos(bit2_root0_inv) == 0xfff) | (err_pos(bit2_root1_inv) == 0xfff)) {
+ return -EINVAL;
+ } else {
+ bit2_loc0 = 0x55e - err_pos(bit2_root0_inv);
+ bit2_loc1 = 0x55e - err_pos(bit2_root1_inv);
+ err_info[0] = 0x2; // encode 2-symbol error as 0x2
+ err_info[1] = bit2_loc0;
+ err_info[2] = bit2_loc1;
+ err_info[5] = bit2_pat0;
+ err_info[6] = bit2_pat1;
+ return 0;
+ }
+ } else
+ return -EINVAL;
+ }
+}
+static int chk_3_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info)
+{
+ unsigned short tmp0, tmp1, tmp2, tmp3, tmp4, tmp5;
+ unsigned short coefs[4];
+ unsigned short err_pats[4];
+ int found_num_root = 0;
+ unsigned short bit3_root0, bit3_root1, bit3_root2;
+ unsigned short bit3_root0_inv, bit3_root1_inv, bit3_root2_inv;
+ unsigned short err_loc_eqn, test_root;
+
+ find_3bit_err_coefs(chk_syndrome_list[0], chk_syndrome_list[1],
+ chk_syndrome_list[2], chk_syndrome_list[3],
+ chk_syndrome_list[4], chk_syndrome_list[5], coefs);
+
+ for (test_root = 0x1; test_root < 0xfff; test_root++) {
+ err_loc_eqn = gf4096_mul(coefs[2],
+ gf4096_mul(gf4096_mul(test_root, test_root),
+ test_root)) ^ gf4096_mul(coefs[1], gf4096_mul(test_root, test_root))
+ ^ gf4096_mul(coefs[0], test_root) ^ 0x1;
+
+ if (err_loc_eqn == 0x0) {
+ if (found_num_root == 0) {
+ bit3_root0 = test_root;
+ found_num_root = 1;
+ } else if (found_num_root == 1) {
+ bit3_root1 = test_root;
+ found_num_root = 2;
+ } else if (found_num_root == 2) {
+ bit3_root2 = test_root;
+ found_num_root = 3;
+ break;
+ }
+ }
+ }
+ if (found_num_root != 3)
+ return -EINVAL;
+ else {
+ bit3_root0_inv = gf4096_inv(bit3_root0);
+ bit3_root1_inv = gf4096_inv(bit3_root1);
+ bit3_root2_inv = gf4096_inv(bit3_root2);
+
+ find_3bit_err_pats(chk_syndrome_list[0], chk_syndrome_list[1],
+ chk_syndrome_list[2], bit3_root0_inv,
+ bit3_root1_inv, bit3_root2_inv, err_pats);
+
+ //check if only 3-bit error
+ tmp0 = gf4096_mul(bit3_root0_inv, bit3_root0_inv);
+ tmp0 = gf4096_mul(tmp0, tmp0);
+ tmp0 = gf4096_mul(tmp0, bit3_root0_inv);
+ tmp0 = gf4096_mul(tmp0, bit3_root0_inv); //rinv0^6
+ tmp1 = gf4096_mul(tmp0, bit3_root0_inv); //rinv0^7
+ tmp2 = gf4096_mul(bit3_root1_inv, bit3_root1_inv);
+ tmp2 = gf4096_mul(tmp2, tmp2);
+ tmp2 = gf4096_mul(tmp2, bit3_root1_inv);
+ tmp2 = gf4096_mul(tmp2, bit3_root1_inv); //rinv1^6
+ tmp3 = gf4096_mul(tmp2, bit3_root1_inv); //rinv1^7
+ tmp4 = gf4096_mul(bit3_root2_inv, bit3_root2_inv);
+ tmp4 = gf4096_mul(tmp4, tmp4);
+ tmp4 = gf4096_mul(tmp4, bit3_root2_inv);
+ tmp4 = gf4096_mul(tmp4, bit3_root2_inv); //rinv2^6
+ tmp5 = gf4096_mul(tmp4, bit3_root2_inv); //rinv2^7
+
+ //check if only 3 errors
+ if ((chk_syndrome_list[6] == (gf4096_mul(err_pats[0], tmp0) ^
+ gf4096_mul(err_pats[1], tmp2) ^
+ gf4096_mul(err_pats[2], tmp4))) &
+ (chk_syndrome_list[7] == (gf4096_mul(err_pats[0], tmp1) ^
+ gf4096_mul(err_pats[1], tmp3) ^ gf4096_mul(err_pats[2], tmp5)))) {
+ if ((err_pos(bit3_root0_inv) == 0xfff) |
+ (err_pos(bit3_root1_inv) == 0xfff) | (err_pos(bit3_root2_inv) == 0xfff)) {
+ return -EINVAL;
+ } else {
+ err_info[0] = 0x3;
+ err_info[1] = (0x55e - err_pos(bit3_root0_inv));
+ err_info[2] = (0x55e - err_pos(bit3_root1_inv));
+ err_info[3] = (0x55e - err_pos(bit3_root2_inv));
+ err_info[5] = err_pats[0];
+ err_info[6] = err_pats[1];
+ err_info[7] = err_pats[2];
+ return 0;
+ }
+ } else
+ return -EINVAL;
+ }
+}
+static int chk_4_err_only(unsigned short *chk_syndrome_list, unsigned short *err_info)
+{
+ unsigned short coefs[4];
+ unsigned short err_pats[4];
+ int found_num_root = 0;
+ unsigned short bit4_root0, bit4_root1, bit4_root2, bit4_root3;
+ unsigned short bit4_root0_inv, bit4_root1_inv, bit4_root2_inv, bit4_root3_inv;
+ unsigned short err_loc_eqn, test_root;
+
+ find_4bit_err_coefs(chk_syndrome_list[0],
+ chk_syndrome_list[1],
+ chk_syndrome_list[2],
+ chk_syndrome_list[3],
+ chk_syndrome_list[4],
+ chk_syndrome_list[5], chk_syndrome_list[6], chk_syndrome_list[7], coefs);
+
+ for (test_root = 0x1; test_root < 0xfff; test_root++) {
+ err_loc_eqn =
+ gf4096_mul(coefs[3],
+ gf4096_mul(gf4096_mul
+ (gf4096_mul(test_root, test_root),
+ test_root),
+ test_root)) ^ gf4096_mul(coefs[2],
+ gf4096_mul
+ (gf4096_mul(test_root, test_root), test_root))
+ ^ gf4096_mul(coefs[1], gf4096_mul(test_root, test_root)) ^ gf4096_mul(coefs[0], test_root)
+ ^ 0x1;
+ if (err_loc_eqn == 0x0) {
+ if (found_num_root == 0) {
+ bit4_root0 = test_root;
+ found_num_root = 1;
+ } else if (found_num_root == 1) {
+ bit4_root1 = test_root;
+ found_num_root = 2;
+ } else if (found_num_root == 2) {
+ bit4_root2 = test_root;
+ found_num_root = 3;
+ } else {
+ found_num_root = 4;
+ bit4_root3 = test_root;
+ break;
+ }
+ }
+ }
+ if (found_num_root != 4) {
+ return -EINVAL;
+ } else {
+ bit4_root0_inv = gf4096_inv(bit4_root0);
+ bit4_root1_inv = gf4096_inv(bit4_root1);
+ bit4_root2_inv = gf4096_inv(bit4_root2);
+ bit4_root3_inv = gf4096_inv(bit4_root3);
+ find_4bit_err_pats(chk_syndrome_list[0],
+ chk_syndrome_list[1],
+ chk_syndrome_list[2],
+ chk_syndrome_list[3],
+ bit4_root0_inv, bit4_root1_inv, bit4_root2_inv, bit4_root3_inv, err_pats);
+ err_info[0] = 0x4;
+ err_info[1] = (0x55e - err_pos(bit4_root0_inv));
+ err_info[2] = (0x55e - err_pos(bit4_root1_inv));
+ err_info[3] = (0x55e - err_pos(bit4_root2_inv));
+ err_info[4] = (0x55e - err_pos(bit4_root3_inv));
+ err_info[5] = err_pats[0];
+ err_info[6] = err_pats[1];
+ err_info[7] = err_pats[2];
+ err_info[8] = err_pats[3];
+ return 0;
+ }
+}
+
+void correct_12bit_symbol(unsigned char *buf, unsigned short sym,
+ unsigned short val)
+{
+ if (unlikely(sym > 1366)) {
+ printk(KERN_ERR "Error: symbol %d out of range; cannot correct\n", sym);
+ } else if (sym == 0) {
+ buf[0] ^= val;
+ } else if (sym & 1) {
+ buf[1+(3*(sym-1))/2] ^= (val >> 4);
+ buf[2+(3*(sym-1))/2] ^= ((val & 0xf) << 4);
+ } else {
+ buf[2+(3*(sym-2))/2] ^= (val >> 8);
+ buf[3+(3*(sym-2))/2] ^= (val & 0xff);
+ }
+}
+
+static int debugecc = 0;
+module_param(debugecc, int, 0644);
+
+int cafe_correct_ecc(unsigned char *buf,
+ unsigned short *chk_syndrome_list)
+{
+ unsigned short err_info[9];
+ int i;
+
+ if (debugecc) {
+ printk(KERN_WARNING "cafe_correct_ecc invoked. Syndromes %x %x %x %x %x %x %x %x\n",
+ chk_syndrome_list[0], chk_syndrome_list[1],
+ chk_syndrome_list[2], chk_syndrome_list[3],
+ chk_syndrome_list[4], chk_syndrome_list[5],
+ chk_syndrome_list[6], chk_syndrome_list[7]);
+ for (i=0; i < 2048; i+=16) {
+ printk(KERN_WARNING "D %04x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ i,
+ buf[i], buf[i+1], buf[i+2], buf[i+3],
+ buf[i+4], buf[i+5], buf[i+6], buf[i+7],
+ buf[i+8], buf[i+9], buf[i+10], buf[i+11],
+ buf[i+12], buf[i+13], buf[i+14], buf[i+15]);
+ }
+ for ( ; i < 2112; i+=16) {
+ printk(KERN_WARNING "O %02x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ i - 2048,
+ buf[i], buf[i+1], buf[i+2], buf[i+3],
+ buf[i+4], buf[i+5], buf[i+6], buf[i+7],
+ buf[i+8], buf[i+9], buf[i+10], buf[i+11],
+ buf[i+12], buf[i+13], buf[i+14], buf[i+15]);
+ }
+ }
+
+
+
+ if (chk_no_err_only(chk_syndrome_list, err_info) &&
+ chk_1_err_only(chk_syndrome_list, err_info) &&
+ chk_2_err_only(chk_syndrome_list, err_info) &&
+ chk_3_err_only(chk_syndrome_list, err_info) &&
+ chk_4_err_only(chk_syndrome_list, err_info)) {
+ return -EIO;
+ }
+
+ for (i=0; i < err_info[0]; i++) {
+ if (debugecc)
+ printk(KERN_WARNING "Correct symbol %d with 0x%03x\n",
+ err_info[1+i], err_info[5+i]);
+
+ correct_12bit_symbol(buf, err_info[1+i], err_info[5+i]);
+ }
+
+ return err_info[0];
+}
+
diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index 94924d5..8296305 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -11,7 +11,7 @@
* published by the Free Software Foundation.
*
* Overview:
- * This is a device driver for the NAND flash controller found on
+ * This is a device driver for the NAND flash controller found on
* the AMD CS5535/CS5536 companion chipsets for the Geode processor.
*
*/
@@ -303,7 +303,7 @@ static int __init cs553x_init(void)
err = cs553x_init_one(i, !!(val & FLSH_MEM_IO), val & 0xFFFFFFFF);
}
- /* Register all devices together here. This means we can easily hack it to
+ /* Register all devices together here. This means we can easily hack it to
do mtdconcat etc. if we want to. */
for (i = 0; i < NR_CS553X_CONTROLLERS; i++) {
if (cs553x_mtd[i]) {
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 6107f53..12608c1 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -1635,13 +1635,12 @@ static int __init doc_probe(unsigned long physadr)
len = sizeof(struct mtd_info) +
sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr));
- mtd = kmalloc(len, GFP_KERNEL);
+ mtd = kzalloc(len, GFP_KERNEL);
if (!mtd) {
printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len);
ret = -ENOMEM;
goto fail;
}
- memset(mtd, 0, len);
nand = (struct nand_chip *) (mtd + 1);
doc = (struct doc_priv *) (nand + 1);
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 41bfcae..dfe56e0 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -362,7 +362,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
* access
*/
ofs += mtd->oobsize;
- chip->ops.len = 2;
+ chip->ops.len = chip->ops.ooblen = 2;
chip->ops.datbuf = NULL;
chip->ops.oobbuf = buf;
chip->ops.ooboffs = chip->badblockpos & ~0x01;
@@ -755,7 +755,7 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_read_page_swecc - {REPLACABLE] software ecc based page read function
+ * nand_read_page_swecc - [REPLACABLE] software ecc based page read function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
@@ -795,7 +795,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_read_page_hwecc - {REPLACABLE] hardware ecc based page read function
+ * nand_read_page_hwecc - [REPLACABLE] hardware ecc based page read function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
@@ -839,7 +839,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_read_page_syndrome - {REPLACABLE] hardware ecc syndrom based page read
+ * nand_read_page_syndrome - [REPLACABLE] hardware ecc syndrom based page read
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: buffer to store read data
@@ -897,12 +897,11 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
* @chip: nand chip structure
* @oob: oob destination address
* @ops: oob ops structure
+ * @len: size of oob to transfer
*/
static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
- struct mtd_oob_ops *ops)
+ struct mtd_oob_ops *ops, size_t len)
{
- size_t len = ops->ooblen;
-
switch(ops->mode) {
case MTD_OOB_PLACE:
@@ -960,6 +959,7 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
int sndcmd = 1;
int ret = 0;
uint32_t readlen = ops->len;
+ uint32_t oobreadlen = ops->ooblen;
uint8_t *bufpoi, *oob, *buf;
stats = mtd->ecc_stats;
@@ -971,7 +971,6 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
page = realpage & chip->pagemask;
col = (int)(from & (mtd->writesize - 1));
- chip->oob_poi = chip->buffers->oobrbuf;
buf = ops->datbuf;
oob = ops->oobbuf;
@@ -1007,10 +1006,17 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
if (unlikely(oob)) {
/* Raw mode does data:oob:data:oob */
- if (ops->mode != MTD_OOB_RAW)
- oob = nand_transfer_oob(chip, oob, ops);
- else
- buf = nand_transfer_oob(chip, buf, ops);
+ if (ops->mode != MTD_OOB_RAW) {
+ int toread = min(oobreadlen,
+ chip->ecc.layout->oobavail);
+ if (toread) {
+ oob = nand_transfer_oob(chip,
+ oob, ops, toread);
+ oobreadlen -= toread;
+ }
+ } else
+ buf = nand_transfer_oob(chip,
+ buf, ops, mtd->oobsize);
}
if (!(chip->options & NAND_NO_READRDY)) {
@@ -1057,6 +1063,8 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
}
ops->retlen = ops->len - (size_t) readlen;
+ if (oob)
+ ops->oobretlen = ops->ooblen - oobreadlen;
if (ret)
return ret;
@@ -1257,12 +1265,18 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
int page, realpage, chipnr, sndcmd = 1;
struct nand_chip *chip = mtd->priv;
int blkcheck = (1 << (chip->phys_erase_shift - chip->page_shift)) - 1;
- int readlen = ops->len;
+ int readlen = ops->ooblen;
+ int len;
uint8_t *buf = ops->oobbuf;
DEBUG(MTD_DEBUG_LEVEL3, "nand_read_oob: from = 0x%08Lx, len = %i\n",
(unsigned long long)from, readlen);
+ if (ops->mode == MTD_OOB_RAW)
+ len = mtd->oobsize;
+ else
+ len = chip->ecc.layout->oobavail;
+
chipnr = (int)(from >> chip->chip_shift);
chip->select_chip(mtd, chipnr);
@@ -1270,11 +1284,11 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
realpage = (int)(from >> chip->page_shift);
page = realpage & chip->pagemask;
- chip->oob_poi = chip->buffers->oobrbuf;
-
while(1) {
sndcmd = chip->ecc.read_oob(mtd, chip, page, sndcmd);
- buf = nand_transfer_oob(chip, buf, ops);
+
+ len = min(len, readlen);
+ buf = nand_transfer_oob(chip, buf, ops, len);
if (!(chip->options & NAND_NO_READRDY)) {
/*
@@ -1289,7 +1303,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
nand_wait_ready(mtd);
}
- readlen -= ops->ooblen;
+ readlen -= len;
if (!readlen)
break;
@@ -1311,7 +1325,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
sndcmd = 1;
}
- ops->retlen = ops->len;
+ ops->oobretlen = ops->ooblen;
return 0;
}
@@ -1332,7 +1346,7 @@ static int nand_read_oob(struct mtd_info *mtd, loff_t from,
ops->retlen = 0;
/* Do not allow reads past end of device */
- if ((from + ops->len) > mtd->size) {
+ if (ops->datbuf && (from + ops->len) > mtd->size) {
DEBUG(MTD_DEBUG_LEVEL0, "nand_read_oob: "
"Attempt read beyond end of device\n");
return -EINVAL;
@@ -1375,7 +1389,7 @@ static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_write_page_swecc - {REPLACABLE] software ecc based page write function
+ * nand_write_page_swecc - [REPLACABLE] software ecc based page write function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
@@ -1401,7 +1415,7 @@ static void nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_write_page_hwecc - {REPLACABLE] hardware ecc based page write function
+ * nand_write_page_hwecc - [REPLACABLE] hardware ecc based page write function
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
@@ -1429,7 +1443,7 @@ static void nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
}
/**
- * nand_write_page_syndrome - {REPLACABLE] hardware ecc syndrom based page write
+ * nand_write_page_syndrome - [REPLACABLE] hardware ecc syndrom based page write
* @mtd: mtd info structure
* @chip: nand chip info structure
* @buf: data buffer
@@ -1577,7 +1591,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
return NULL;
}
-#define NOTALIGNED(x) (x & (mtd->writesize-1)) != 0
+#define NOTALIGNED(x) (x & (chip->subpagesize - 1)) != 0
/**
* nand_do_write_ops - [Internal] NAND write with ECC
@@ -1590,15 +1604,16 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob,
static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
struct mtd_oob_ops *ops)
{
- int chipnr, realpage, page, blockmask;
+ int chipnr, realpage, page, blockmask, column;
struct nand_chip *chip = mtd->priv;
uint32_t writelen = ops->len;
uint8_t *oob = ops->oobbuf;
uint8_t *buf = ops->datbuf;
- int bytes = mtd->writesize;
- int ret;
+ int ret, subpage;
ops->retlen = 0;
+ if (!writelen)
+ return 0;
/* reject writes, which are not page aligned */
if (NOTALIGNED(to) || NOTALIGNED(ops->len)) {
@@ -1607,8 +1622,11 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
return -EINVAL;
}
- if (!writelen)
- return 0;
+ column = to & (mtd->writesize - 1);
+ subpage = column || (writelen & (mtd->writesize - 1));
+
+ if (subpage && oob)
+ return -EINVAL;
chipnr = (int)(to >> chip->chip_shift);
chip->select_chip(mtd, chipnr);
@@ -1626,15 +1644,29 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
(chip->pagebuf << chip->page_shift) < (to + ops->len))
chip->pagebuf = -1;
- chip->oob_poi = chip->buffers->oobwbuf;
+ /* If we're not given explicit OOB data, let it be 0xFF */
+ if (likely(!oob))
+ memset(chip->oob_poi, 0xff, mtd->oobsize);
while(1) {
+ int bytes = mtd->writesize;
int cached = writelen > bytes && page != blockmask;
+ uint8_t *wbuf = buf;
+
+ /* Partial page write ? */
+ if (unlikely(column || writelen < (mtd->writesize - 1))) {
+ cached = 0;
+ bytes = min_t(int, bytes - column, (int) writelen);
+ chip->pagebuf = -1;
+ memset(chip->buffers->databuf, 0xff, mtd->writesize);
+ memcpy(&chip->buffers->databuf[column], buf, bytes);
+ wbuf = chip->buffers->databuf;
+ }
if (unlikely(oob))
oob = nand_fill_oob(chip, oob, ops);
- ret = chip->write_page(mtd, chip, buf, page, cached,
+ ret = chip->write_page(mtd, chip, wbuf, page, cached,
(ops->mode == MTD_OOB_RAW));
if (ret)
break;
@@ -1643,6 +1675,7 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
if (!writelen)
break;
+ column = 0;
buf += bytes;
realpage++;
@@ -1655,10 +1688,9 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
}
}
- if (unlikely(oob))
- memset(chip->oob_poi, 0xff, mtd->oobsize);
-
ops->retlen = ops->len - writelen;
+ if (unlikely(oob))
+ ops->oobretlen = ops->ooblen;
return ret;
}
@@ -1714,10 +1746,10 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
struct nand_chip *chip = mtd->priv;
DEBUG(MTD_DEBUG_LEVEL3, "nand_write_oob: to = 0x%08x, len = %i\n",
- (unsigned int)to, (int)ops->len);
+ (unsigned int)to, (int)ops->ooblen);
/* Do not allow write past end of page */
- if ((ops->ooboffs + ops->len) > mtd->oobsize) {
+ if ((ops->ooboffs + ops->ooblen) > mtd->oobsize) {
DEBUG(MTD_DEBUG_LEVEL0, "nand_write_oob: "
"Attempt to write past end of page\n");
return -EINVAL;
@@ -1745,7 +1777,6 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
if (page == chip->pagebuf)
chip->pagebuf = -1;
- chip->oob_poi = chip->buffers->oobwbuf;
memset(chip->oob_poi, 0xff, mtd->oobsize);
nand_fill_oob(chip, ops->oobbuf, ops);
status = chip->ecc.write_oob(mtd, chip, page & chip->pagemask);
@@ -1754,7 +1785,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
if (status)
return status;
- ops->retlen = ops->len;
+ ops->oobretlen = ops->ooblen;
return 0;
}
@@ -1774,7 +1805,7 @@ static int nand_write_oob(struct mtd_info *mtd, loff_t to,
ops->retlen = 0;
/* Do not allow writes past end of device */
- if ((to + ops->len) > mtd->size) {
+ if (ops->datbuf && (to + ops->len) > mtd->size) {
DEBUG(MTD_DEBUG_LEVEL0, "nand_read_oob: "
"Attempt read beyond end of device\n");
return -EINVAL;
@@ -2188,8 +2219,8 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
/* Newer devices have all the information in additional id bytes */
if (!type->pagesize) {
int extid;
- /* The 3rd id byte contains non relevant data ATM */
- extid = chip->read_byte(mtd);
+ /* The 3rd id byte holds MLC / multichip data */
+ chip->cellinfo = chip->read_byte(mtd);
/* The 4th id byte is the important one */
extid = chip->read_byte(mtd);
/* Calc pagesize */
@@ -2349,8 +2380,8 @@ int nand_scan_tail(struct mtd_info *mtd)
if (!chip->buffers)
return -ENOMEM;
- /* Preset the internal oob write buffer */
- memset(chip->buffers->oobwbuf, 0xff, mtd->oobsize);
+ /* Set the internal oob buffer location, just after the page data */
+ chip->oob_poi = chip->buffers->databuf + mtd->writesize;
/*
* If no default placement scheme is given, select an appropriate one
@@ -2469,6 +2500,24 @@ int nand_scan_tail(struct mtd_info *mtd)
}
chip->ecc.total = chip->ecc.steps * chip->ecc.bytes;
+ /*
+ * Allow subpage writes up to ecc.steps. Not possible for MLC
+ * FLASH.
+ */
+ if (!(chip->options & NAND_NO_SUBPAGE_WRITE) &&
+ !(chip->cellinfo & NAND_CI_CELLTYPE_MSK)) {
+ switch(chip->ecc.steps) {
+ case 2:
+ mtd->subpage_sft = 1;
+ break;
+ case 4:
+ case 8:
+ mtd->subpage_sft = 2;
+ break;
+ }
+ }
+ chip->subpagesize = mtd->writesize >> mtd->subpage_sft;
+
/* Initialize state */
chip->state = FL_READY;
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 9402653..5e121ce 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -333,7 +333,6 @@ static int scan_block_fast(struct mtd_info *mtd, struct nand_bbt_descr *bd,
struct mtd_oob_ops ops;
int j, ret;
- ops.len = mtd->oobsize;
ops.ooblen = mtd->oobsize;
ops.oobbuf = buf;
ops.ooboffs = 0;
@@ -676,10 +675,10 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
"bad block table\n");
}
/* Read oob data */
- ops.len = (len >> this->page_shift) * mtd->oobsize;
+ ops.ooblen = (len >> this->page_shift) * mtd->oobsize;
ops.oobbuf = &buf[len];
res = mtd->read_oob(mtd, to + mtd->writesize, &ops);
- if (res < 0 || ops.retlen != ops.len)
+ if (res < 0 || ops.oobretlen != ops.ooblen)
goto outerr;
/* Calc the byte offset in the buffer */
@@ -961,14 +960,12 @@ int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
struct nand_bbt_descr *md = this->bbt_md;
len = mtd->size >> (this->bbt_erase_shift + 2);
- /* Allocate memory (2bit per block) */
- this->bbt = kmalloc(len, GFP_KERNEL);
+ /* Allocate memory (2bit per block) and clear the memory bad block table */
+ this->bbt = kzalloc(len, GFP_KERNEL);
if (!this->bbt) {
printk(KERN_ERR "nand_scan_bbt: Out of memory\n");
return -ENOMEM;
}
- /* Clear the memory bad block table */
- memset(this->bbt, 0x00, len);
/* If no primary table decriptor is given, scan the device
* to build a memory based bad block table
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index dd438ca..fde593e 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -112,7 +112,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */
/* Calculate final ECC code */
-#ifdef CONFIG_NAND_ECC_SMC
+#ifdef CONFIG_MTD_NAND_ECC_SMC
ecc_code[0] = ~tmp2;
ecc_code[1] = ~tmp1;
#else
@@ -148,7 +148,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat,
{
uint8_t s0, s1, s2;
-#ifdef CONFIG_NAND_ECC_SMC
+#ifdef CONFIG_MTD_NAND_ECC_SMC
s0 = calc_ecc[0] ^ read_ecc[0];
s1 = calc_ecc[1] ^ read_ecc[1];
s2 = calc_ecc[2] ^ read_ecc[2];
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 545ff25..c3bca95 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -37,10 +37,6 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
-#ifdef CONFIG_NS_ABS_POS
-#include <asm/io.h>
-#endif
-
/* Default simulator parameters values */
#if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE) || \
@@ -164,7 +160,7 @@ MODULE_PARM_DESC(dbg, "Output debug information if not zero");
/* After a command is input, the simulator goes to one of the following states */
#define STATE_CMD_READ0 0x00000001 /* read data from the beginning of page */
#define STATE_CMD_READ1 0x00000002 /* read data from the second half of page */
-#define STATE_CMD_READSTART 0x00000003 /* read data second command (large page devices) */
+#define STATE_CMD_READSTART 0x00000003 /* read data second command (large page devices) */
#define STATE_CMD_PAGEPROG 0x00000004 /* start page programm */
#define STATE_CMD_READOOB 0x00000005 /* read OOB area */
#define STATE_CMD_ERASE1 0x00000006 /* sector erase first command */
@@ -231,6 +227,14 @@ MODULE_PARM_DESC(dbg, "Output debug information if not zero");
#define NS_MAX_PREVSTATES 1
/*
+ * A union to represent flash memory contents and flash buffer.
+ */
+union ns_mem {
+ u_char *byte; /* for byte access */
+ uint16_t *word; /* for 16-bit word access */
+};
+
+/*
* The structure which describes all the internal simulator data.
*/
struct nandsim {
@@ -247,17 +251,11 @@ struct nandsim {
uint16_t npstates; /* number of previous states saved */
uint16_t stateidx; /* current state index */
- /* The simulated NAND flash image */
- union flash_media {
- u_char *byte;
- uint16_t *word;
- } mem;
+ /* The simulated NAND flash pages array */
+ union ns_mem *pages;
/* Internal buffer of page + OOB size bytes */
- union internal_buffer {
- u_char *byte; /* for byte access */
- uint16_t *word; /* for 16-bit word access */
- } buf;
+ union ns_mem buf;
/* NAND flash "geometry" */
struct nandsin_geometry {
@@ -346,12 +344,49 @@ static struct mtd_info *nsmtd;
static u_char ns_verify_buf[NS_LARGEST_PAGE_SIZE];
/*
+ * Allocate array of page pointers and initialize the array to NULL
+ * pointers.
+ *
+ * RETURNS: 0 if success, -ENOMEM if memory alloc fails.
+ */
+static int alloc_device(struct nandsim *ns)
+{
+ int i;
+
+ ns->pages = vmalloc(ns->geom.pgnum * sizeof(union ns_mem));
+ if (!ns->pages) {
+ NS_ERR("alloc_map: unable to allocate page array\n");
+ return -ENOMEM;
+ }
+ for (i = 0; i < ns->geom.pgnum; i++) {
+ ns->pages[i].byte = NULL;
+ }
+
+ return 0;
+}
+
+/*
+ * Free any allocated pages, and free the array of page pointers.
+ */
+static void free_device(struct nandsim *ns)
+{
+ int i;
+
+ if (ns->pages) {
+ for (i = 0; i < ns->geom.pgnum; i++) {
+ if (ns->pages[i].byte)
+ kfree(ns->pages[i].byte);
+ }
+ vfree(ns->pages);
+ }
+}
+
+/*
* Initialize the nandsim structure.
*
* RETURNS: 0 if success, -ERRNO if failure.
*/
-static int
-init_nandsim(struct mtd_info *mtd)
+static int init_nandsim(struct mtd_info *mtd)
{
struct nand_chip *chip = (struct nand_chip *)mtd->priv;
struct nandsim *ns = (struct nandsim *)(chip->priv);
@@ -405,7 +440,7 @@ init_nandsim(struct mtd_info *mtd)
}
} else {
if (ns->geom.totsz <= (128 << 20)) {
- ns->geom.pgaddrbytes = 5;
+ ns->geom.pgaddrbytes = 4;
ns->geom.secaddrbytes = 2;
} else {
ns->geom.pgaddrbytes = 5;
@@ -439,23 +474,8 @@ init_nandsim(struct mtd_info *mtd)
printk("sector address bytes: %u\n", ns->geom.secaddrbytes);
printk("options: %#x\n", ns->options);
- /* Map / allocate and initialize the flash image */
-#ifdef CONFIG_NS_ABS_POS
- ns->mem.byte = ioremap(CONFIG_NS_ABS_POS, ns->geom.totszoob);
- if (!ns->mem.byte) {
- NS_ERR("init_nandsim: failed to map the NAND flash image at address %p\n",
- (void *)CONFIG_NS_ABS_POS);
- return -ENOMEM;
- }
-#else
- ns->mem.byte = vmalloc(ns->geom.totszoob);
- if (!ns->mem.byte) {
- NS_ERR("init_nandsim: unable to allocate %u bytes for flash image\n",
- ns->geom.totszoob);
- return -ENOMEM;
- }
- memset(ns->mem.byte, 0xFF, ns->geom.totszoob);
-#endif
+ if (alloc_device(ns) != 0)
+ goto error;
/* Allocate / initialize the internal buffer */
ns->buf.byte = kmalloc(ns->geom.pgszoob, GFP_KERNEL);
@@ -474,11 +494,7 @@ init_nandsim(struct mtd_info *mtd)
return 0;
error:
-#ifdef CONFIG_NS_ABS_POS
- iounmap(ns->mem.byte);
-#else
- vfree(ns->mem.byte);
-#endif
+ free_device(ns);
return -ENOMEM;
}
@@ -486,16 +502,10 @@ error:
/*
* Free the nandsim structure.
*/
-static void
-free_nandsim(struct nandsim *ns)
+static void free_nandsim(struct nandsim *ns)
{
kfree(ns->buf.byte);
-
-#ifdef CONFIG_NS_ABS_POS
- iounmap(ns->mem.byte);
-#else
- vfree(ns->mem.byte);
-#endif
+ free_device(ns);
return;
}
@@ -503,8 +513,7 @@ free_nandsim(struct nandsim *ns)
/*
* Returns the string representation of 'state' state.
*/
-static char *
-get_state_name(uint32_t state)
+static char *get_state_name(uint32_t state)
{
switch (NS_STATE(state)) {
case STATE_CMD_READ0:
@@ -562,8 +571,7 @@ get_state_name(uint32_t state)
*
* RETURNS: 1 if wrong command, 0 if right.
*/
-static int
-check_command(int cmd)
+static int check_command(int cmd)
{
switch (cmd) {
@@ -589,8 +597,7 @@ check_command(int cmd)
/*
* Returns state after command is accepted by command number.
*/
-static uint32_t
-get_state_by_command(unsigned command)
+static uint32_t get_state_by_command(unsigned command)
{
switch (command) {
case NAND_CMD_READ0:
@@ -626,8 +633,7 @@ get_state_by_command(unsigned command)
/*
* Move an address byte to the correspondent internal register.
*/
-static inline void
-accept_addr_byte(struct nandsim *ns, u_char bt)
+static inline void accept_addr_byte(struct nandsim *ns, u_char bt)
{
uint byte = (uint)bt;
@@ -645,8 +651,7 @@ accept_addr_byte(struct nandsim *ns, u_char bt)
/*
* Switch to STATE_READY state.
*/
-static inline void
-switch_to_ready_state(struct nandsim *ns, u_char status)
+static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
{
NS_DBG("switch_to_ready_state: switch to %s state\n", get_state_name(STATE_READY));
@@ -705,8 +710,7 @@ switch_to_ready_state(struct nandsim *ns, u_char status)
* -1 - several matches.
* 0 - operation is found.
*/
-static int
-find_operation(struct nandsim *ns, uint32_t flag)
+static int find_operation(struct nandsim *ns, uint32_t flag)
{
int opsfound = 0;
int i, j, idx = 0;
@@ -791,14 +795,93 @@ find_operation(struct nandsim *ns, uint32_t flag)
}
/*
+ * Returns a pointer to the current page.
+ */
+static inline union ns_mem *NS_GET_PAGE(struct nandsim *ns)
+{
+ return &(ns->pages[ns->regs.row]);
+}
+
+/*
+ * Retuns a pointer to the current byte, within the current page.
+ */
+static inline u_char *NS_PAGE_BYTE_OFF(struct nandsim *ns)
+{
+ return NS_GET_PAGE(ns)->byte + ns->regs.column + ns->regs.off;
+}
+
+/*
+ * Fill the NAND buffer with data read from the specified page.
+ */
+static void read_page(struct nandsim *ns, int num)
+{
+ union ns_mem *mypage;
+
+ mypage = NS_GET_PAGE(ns);
+ if (mypage->byte == NULL) {
+ NS_DBG("read_page: page %d not allocated\n", ns->regs.row);
+ memset(ns->buf.byte, 0xFF, num);
+ } else {
+ NS_DBG("read_page: page %d allocated, reading from %d\n",
+ ns->regs.row, ns->regs.column + ns->regs.off);
+ memcpy(ns->buf.byte, NS_PAGE_BYTE_OFF(ns), num);
+ }
+}
+
+/*
+ * Erase all pages in the specified sector.
+ */
+static void erase_sector(struct nandsim *ns)
+{
+ union ns_mem *mypage;
+ int i;
+
+ mypage = NS_GET_PAGE(ns);
+ for (i = 0; i < ns->geom.pgsec; i++) {
+ if (mypage->byte != NULL) {
+ NS_DBG("erase_sector: freeing page %d\n", ns->regs.row+i);
+ kfree(mypage->byte);
+ mypage->byte = NULL;
+ }
+ mypage++;
+ }
+}
+
+/*
+ * Program the specified page with the contents from the NAND buffer.
+ */
+static int prog_page(struct nandsim *ns, int num)
+{
+ int i;
+ union ns_mem *mypage;
+ u_char *pg_off;
+
+ mypage = NS_GET_PAGE(ns);
+ if (mypage->byte == NULL) {
+ NS_DBG("prog_page: allocating page %d\n", ns->regs.row);
+ mypage->byte = kmalloc(ns->geom.pgszoob, GFP_KERNEL);
+ if (mypage->byte == NULL) {
+ NS_ERR("prog_page: error allocating memory for page %d\n", ns->regs.row);
+ return -1;
+ }
+ memset(mypage->byte, 0xFF, ns->geom.pgszoob);
+ }
+
+ pg_off = NS_PAGE_BYTE_OFF(ns);
+ for (i = 0; i < num; i++)
+ pg_off[i] &= ns->buf.byte[i];
+
+ return 0;
+}
+
+/*
* If state has any action bit, perform this action.
*
* RETURNS: 0 if success, -1 if error.
*/
-static int
-do_state_action(struct nandsim *ns, uint32_t action)
+static int do_state_action(struct nandsim *ns, uint32_t action)
{
- int i, num;
+ int num;
int busdiv = ns->busw == 8 ? 1 : 2;
action &= ACTION_MASK;
@@ -822,7 +905,7 @@ do_state_action(struct nandsim *ns, uint32_t action)
break;
}
num = ns->geom.pgszoob - ns->regs.off - ns->regs.column;
- memcpy(ns->buf.byte, ns->mem.byte + NS_RAW_OFFSET(ns) + ns->regs.off, num);
+ read_page(ns, num);
NS_DBG("do_state_action: (ACTION_CPY:) copy %d bytes to int buf, raw offset %d\n",
num, NS_RAW_OFFSET(ns) + ns->regs.off);
@@ -863,7 +946,7 @@ do_state_action(struct nandsim *ns, uint32_t action)
ns->regs.row, NS_RAW_OFFSET(ns));
NS_LOG("erase sector %d\n", ns->regs.row >> (ns->geom.secshift - ns->geom.pgshift));
- memset(ns->mem.byte + NS_RAW_OFFSET(ns), 0xFF, ns->geom.secszoob);
+ erase_sector(ns);
NS_MDELAY(erase_delay);
@@ -886,8 +969,8 @@ do_state_action(struct nandsim *ns, uint32_t action)
return -1;
}
- for (i = 0; i < num; i++)
- ns->mem.byte[NS_RAW_OFFSET(ns) + ns->regs.off + i] &= ns->buf.byte[i];
+ if (prog_page(ns, num) == -1)
+ return -1;
NS_DBG("do_state_action: copy %d bytes from int buf to (%#x, %#x), raw off = %d\n",
num, ns->regs.row, ns->regs.column, NS_RAW_OFFSET(ns) + ns->regs.off);
@@ -928,8 +1011,7 @@ do_state_action(struct nandsim *ns, uint32_t action)
/*
* Switch simulator's state.
*/
-static void
-switch_state(struct nandsim *ns)
+static void switch_state(struct nandsim *ns)
{
if (ns->op) {
/*
@@ -1070,8 +1152,7 @@ switch_state(struct nandsim *ns)
}
}
-static u_char
-ns_nand_read_byte(struct mtd_info *mtd)
+static u_char ns_nand_read_byte(struct mtd_info *mtd)
{
struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
u_char outb = 0x00;
@@ -1144,8 +1225,7 @@ ns_nand_read_byte(struct mtd_info *mtd)
return outb;
}
-static void
-ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
+static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
{
struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
@@ -1308,15 +1388,13 @@ static void ns_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int bitmask)
ns_nand_write_byte(mtd, cmd);
}
-static int
-ns_device_ready(struct mtd_info *mtd)
+static int ns_device_ready(struct mtd_info *mtd)
{
NS_DBG("device_ready\n");
return 1;
}
-static uint16_t
-ns_nand_read_word(struct mtd_info *mtd)
+static uint16_t ns_nand_read_word(struct mtd_info *mtd)
{
struct nand_chip *chip = (struct nand_chip *)mtd->priv;
@@ -1325,8 +1403,7 @@ ns_nand_read_word(struct mtd_info *mtd)
return chip->read_byte(mtd) | (chip->read_byte(mtd) << 8);
}
-static void
-ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
@@ -1353,8 +1430,7 @@ ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
}
}
-static void
-ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
{
struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
@@ -1407,8 +1483,7 @@ ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
return;
}
-static int
-ns_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
+static int ns_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
ns_nand_read_buf(mtd, (u_char *)&ns_verify_buf[0], len);
@@ -1436,14 +1511,12 @@ static int __init ns_init_module(void)
}
/* Allocate and initialize mtd_info, nand_chip and nandsim structures */
- nsmtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
+ nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
+ sizeof(struct nandsim), GFP_KERNEL);
if (!nsmtd) {
NS_ERR("unable to allocate core structures.\n");
return -ENOMEM;
}
- memset(nsmtd, 0, sizeof(struct mtd_info) + sizeof(struct nand_chip) +
- sizeof(struct nandsim));
chip = (struct nand_chip *)(nsmtd + 1);
nsmtd->priv = (void *)chip;
nand = (struct nandsim *)(chip + 1);
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index 039c759..fd7a8d5 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -56,7 +56,7 @@ static void ndfc_select_chip(struct mtd_info *mtd, int chip)
ccr |= NDFC_CCR_BS(chip + pchip->chip_offset);
} else
ccr |= NDFC_CCR_RESET_CE;
- writel(ccr, ndfc->ndfcbase + NDFC_CCR);
+ __raw_writel(ccr, ndfc->ndfcbase + NDFC_CCR);
}
static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index f8c4964..9189ec8 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -24,6 +24,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/rslib.h>
+#include <linux/bitrev.h>
#include <linux/module.h>
#include <linux/mtd/compatmac.h>
#include <linux/mtd/mtd.h>
@@ -152,47 +153,6 @@ static struct nand_ecclayout rtc_from4_nand_oobinfo = {
.oobfree = {{32, 32}}
};
-/* Aargh. I missed the reversed bit order, when I
- * was talking to Renesas about the FPGA.
- *
- * The table is used for bit reordering and inversion
- * of the ecc byte which we get from the FPGA
- */
-static uint8_t revbits[256] = {
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
- 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
- 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
- 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
- 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
- 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
- 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
- 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
- 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
- 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
- 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
- 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
- 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
- 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
- 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
- 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
- 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
-};
-
#endif
/*
@@ -397,7 +357,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
/* Read the syndrom pattern from the FPGA and correct the bitorder */
rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC);
for (i = 0; i < 8; i++) {
- ecc[i] = revbits[(*rs_ecc) & 0xFF];
+ ecc[i] = bitrev8(*rs_ecc);
rs_ecc++;
}
@@ -496,7 +456,7 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this,
rtn = nand_do_read(mtd, page, len, &retlen, buf);
/* if read failed or > 1-bit error corrected */
- if (rtn || (mtd->ecc_stats.corrected - corrected) > 1) {
+ if (rtn || (mtd->ecc_stats.corrected - corrected) > 1)
er_stat |= 1 << 1;
kfree(buf);
}
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index ff5cef2..8b32035 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -283,7 +283,7 @@ static void s3c2410_nand_hwcontrol(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
-
+
if (cmd == NAND_CMD_NONE)
return;
generated by cgit v0.10.2 at 2024-11-12 16:59:19 (GMT)