]> git.sur5r.net Git - u-boot/commitdiff
sf: Rename spi_flash files
authorJagannadha Sutradharudu Teki <jaganna@xilinx.com>
Thu, 26 Sep 2013 10:30:15 +0000 (16:00 +0530)
committerJagannadha Sutradharudu Teki <jaganna@xilinx.com>
Mon, 7 Oct 2013 12:25:50 +0000 (17:55 +0530)
Renamed:
spi_flash.c -> sf.c
spi_flash_internal.h -> sf_internal.h
spi_flash_ops.c -> sf_ops.c
spi_flash_probe.c -> sf_probe.c

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
drivers/mtd/spi/Makefile
drivers/mtd/spi/sf.c [new file with mode: 0644]
drivers/mtd/spi/sf_internal.h [new file with mode: 0644]
drivers/mtd/spi/sf_ops.c [new file with mode: 0644]
drivers/mtd/spi/sf_probe.c [new file with mode: 0644]
drivers/mtd/spi/spi_flash.c [deleted file]
drivers/mtd/spi/spi_flash_internal.h [deleted file]
drivers/mtd/spi/spi_flash_ops.c [deleted file]
drivers/mtd/spi/spi_flash_probe.c [deleted file]

index 0fa867db4c2f5fecf2f8c6f2c946d62b35e51bfd..86ffc59d039ecb040eab8c2a2a770c4571cb30f7 100644 (file)
@@ -15,9 +15,9 @@ COBJS-$(CONFIG_SPL_SPI_BOOT)  += fsl_espi_spl.o
 endif
 
 ifdef CONFIG_CMD_SF
-COBJS-y        += spi_flash.o
+COBJS-y        += sf.o
 endif
-COBJS-$(CONFIG_SPI_FLASH) += spi_flash_probe.o spi_flash_ops.o
+COBJS-$(CONFIG_SPI_FLASH) += sf_probe.o sf_ops.o
 COBJS-$(CONFIG_SPI_FRAM_RAMTRON) += ramtron.o
 COBJS-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o
 
diff --git a/drivers/mtd/spi/sf.c b/drivers/mtd/spi/sf.c
new file mode 100644 (file)
index 0000000..ddbdda0
--- /dev/null
@@ -0,0 +1,54 @@
+/*
+ * SPI flash interface
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <spi.h>
+
+static int spi_flash_read_write(struct spi_slave *spi,
+                               const u8 *cmd, size_t cmd_len,
+                               const u8 *data_out, u8 *data_in,
+                               size_t data_len)
+{
+       unsigned long flags = SPI_XFER_BEGIN;
+       int ret;
+
+       if (data_len == 0)
+               flags |= SPI_XFER_END;
+
+       ret = spi_xfer(spi, cmd_len * 8, cmd, NULL, flags);
+       if (ret) {
+               debug("SF: Failed to send command (%zu bytes): %d\n",
+                     cmd_len, ret);
+       } else if (data_len != 0) {
+               ret = spi_xfer(spi, data_len * 8, data_out, data_in,
+                                       SPI_XFER_END);
+               if (ret)
+                       debug("SF: Failed to transfer %zu bytes of data: %d\n",
+                             data_len, ret);
+       }
+
+       return ret;
+}
+
+int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,
+               size_t cmd_len, void *data, size_t data_len)
+{
+       return spi_flash_read_write(spi, cmd, cmd_len, NULL, data, data_len);
+}
+
+int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len)
+{
+       return spi_flash_cmd_read(spi, &cmd, 1, response, len);
+}
+
+int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
+               const void *data, size_t data_len)
+{
+       return spi_flash_read_write(spi, cmd, cmd_len, data, NULL, data_len);
+}
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
new file mode 100644 (file)
index 0000000..29a14f4
--- /dev/null
@@ -0,0 +1,142 @@
+/*
+ * SPI flash internal definitions
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _SPI_FLASH_INTERNAL_H_
+#define _SPI_FLASH_INTERNAL_H_
+
+#define SPI_FLASH_16MB_BOUN            0x1000000
+
+/* SECT flags */
+#define SECT_4K                        (1 << 1)
+#define SECT_32K                       (1 << 2)
+#define E_FSR                          (1 << 3)
+
+/* Erase commands */
+#define CMD_ERASE_4K                   0x20
+#define CMD_ERASE_32K                  0x52
+#define CMD_ERASE_CHIP                 0xc7
+#define CMD_ERASE_64K                  0xd8
+
+/* Write commands */
+#define CMD_WRITE_STATUS               0x01
+#define CMD_PAGE_PROGRAM               0x02
+#define CMD_WRITE_DISABLE              0x04
+#define CMD_READ_STATUS                        0x05
+#define CMD_WRITE_ENABLE               0x06
+#define CMD_READ_CONFIG                0x35
+#define CMD_FLAG_STATUS                0x70
+
+/* Read commands */
+#define CMD_READ_ARRAY_SLOW            0x03
+#define CMD_READ_ARRAY_FAST            0x0b
+#define CMD_READ_ID                    0x9f
+
+/* Bank addr access commands */
+#ifdef CONFIG_SPI_FLASH_BAR
+# define CMD_BANKADDR_BRWR             0x17
+# define CMD_BANKADDR_BRRD             0x16
+# define CMD_EXTNADDR_WREAR            0xC5
+# define CMD_EXTNADDR_RDEAR            0xC8
+#endif
+
+/* Common status */
+#define STATUS_WIP                     0x01
+#define STATUS_PEC                     0x80
+
+/* Flash timeout values */
+#define SPI_FLASH_PROG_TIMEOUT         (2 * CONFIG_SYS_HZ)
+#define SPI_FLASH_PAGE_ERASE_TIMEOUT   (5 * CONFIG_SYS_HZ)
+#define SPI_FLASH_SECTOR_ERASE_TIMEOUT (10 * CONFIG_SYS_HZ)
+
+/* SST specific */
+#ifdef CONFIG_SPI_FLASH_SST
+# define SST_WP                        0x01    /* Supports AAI word program */
+# define CMD_SST_BP                    0x02    /* Byte Program */
+# define CMD_SST_AAI_WP                0xAD    /* Auto Address Incr Word Program */
+
+int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
+               const void *buf);
+#endif
+
+/* Send a single-byte command to the device and read the response */
+int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len);
+
+/*
+ * Send a multi-byte command to the device and read the response. Used
+ * for flash array reads, etc.
+ */
+int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,
+               size_t cmd_len, void *data, size_t data_len);
+
+/*
+ * Send a multi-byte command to the device followed by (optional)
+ * data. Used for programming the flash array, etc.
+ */
+int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
+               const void *data, size_t data_len);
+
+
+/* Flash erase(sectors) operation, support all possible erase commands */
+int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len);
+
+/* Program the status register */
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr);
+
+/* Set quad enbale bit */
+int spi_flash_set_qeb(struct spi_flash *flash);
+
+/* Enable writing on the SPI flash */
+static inline int spi_flash_cmd_write_enable(struct spi_flash *flash)
+{
+       return spi_flash_cmd(flash->spi, CMD_WRITE_ENABLE, NULL, 0);
+}
+
+/* Disable writing on the SPI flash */
+static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
+{
+       return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0);
+}
+
+/*
+ * Send the read status command to the device and wait for the wip
+ * (write-in-progress) bit to clear itself.
+ */
+int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout);
+
+/*
+ * Used for spi_flash write operation
+ * - SPI claim
+ * - spi_flash_cmd_write_enable
+ * - spi_flash_cmd_write
+ * - spi_flash_cmd_wait_ready
+ * - SPI release
+ */
+int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
+               size_t cmd_len, const void *buf, size_t buf_len);
+
+/*
+ * Flash write operation, support all possible write commands.
+ * Write the requested data out breaking it up into multiple write
+ * commands as needed per the write size.
+ */
+int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
+               size_t len, const void *buf);
+
+/*
+ * Same as spi_flash_cmd_read() except it also claims/releases the SPI
+ * bus. Used as common part of the ->read() operation.
+ */
+int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
+               size_t cmd_len, void *data, size_t data_len);
+
+/* Flash read operation, support all possible read commands */
+int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
+               size_t len, void *data);
+
+#endif /* _SPI_FLASH_INTERNAL_H_ */
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
new file mode 100644 (file)
index 0000000..c009af5
--- /dev/null
@@ -0,0 +1,403 @@
+/*
+ * SPI flash operations
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
+ * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <spi.h>
+#include <spi_flash.h>
+#include <watchdog.h>
+
+#include "sf_internal.h"
+
+static void spi_flash_addr(u32 addr, u8 *cmd)
+{
+       /* cmd[0] is actual command */
+       cmd[1] = addr >> 16;
+       cmd[2] = addr >> 8;
+       cmd[3] = addr >> 0;
+}
+
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr)
+{
+       u8 cmd;
+       int ret;
+
+       cmd = CMD_WRITE_STATUS;
+       ret = spi_flash_write_common(flash, &cmd, 1, &sr, 1);
+       if (ret < 0) {
+               debug("SF: fail to write status register\n");
+               return ret;
+       }
+
+       return 0;
+}
+
+#ifdef CONFIG_SPI_FLASH_BAR
+static int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel)
+{
+       u8 cmd;
+       int ret;
+
+       if (flash->bank_curr == bank_sel) {
+               debug("SF: not require to enable bank%d\n", bank_sel);
+               return 0;
+       }
+
+       cmd = flash->bank_write_cmd;
+       ret = spi_flash_write_common(flash, &cmd, 1, &bank_sel, 1);
+       if (ret < 0) {
+               debug("SF: fail to write bank register\n");
+               return ret;
+       }
+       flash->bank_curr = bank_sel;
+
+       return 0;
+}
+#endif
+
+int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
+{
+       struct spi_slave *spi = flash->spi;
+       unsigned long timebase;
+       int ret;
+       u8 status;
+       u8 check_status = 0x0;
+       u8 poll_bit = STATUS_WIP;
+       u8 cmd = flash->poll_cmd;
+
+       if (cmd == CMD_FLAG_STATUS) {
+               poll_bit = STATUS_PEC;
+               check_status = poll_bit;
+       }
+
+       ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN);
+       if (ret) {
+               debug("SF: fail to read %s status register\n",
+                     cmd == CMD_READ_STATUS ? "read" : "flag");
+               return ret;
+       }
+
+       timebase = get_timer(0);
+       do {
+               WATCHDOG_RESET();
+
+               ret = spi_xfer(spi, 8, NULL, &status, 0);
+               if (ret)
+                       return -1;
+
+               if ((status & poll_bit) == check_status)
+                       break;
+
+       } while (get_timer(timebase) < timeout);
+
+       spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END);
+
+       if ((status & poll_bit) == check_status)
+               return 0;
+
+       /* Timed out */
+       debug("SF: time out!\n");
+       return -1;
+}
+
+int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
+               size_t cmd_len, const void *buf, size_t buf_len)
+{
+       struct spi_slave *spi = flash->spi;
+       unsigned long timeout = SPI_FLASH_PROG_TIMEOUT;
+       int ret;
+
+       if (buf == NULL)
+               timeout = SPI_FLASH_PAGE_ERASE_TIMEOUT;
+
+       ret = spi_claim_bus(flash->spi);
+       if (ret) {
+               debug("SF: unable to claim SPI bus\n");
+               return ret;
+       }
+
+       ret = spi_flash_cmd_write_enable(flash);
+       if (ret < 0) {
+               debug("SF: enabling write failed\n");
+               return ret;
+       }
+
+       ret = spi_flash_cmd_write(spi, cmd, cmd_len, buf, buf_len);
+       if (ret < 0) {
+               debug("SF: write cmd failed\n");
+               return ret;
+       }
+
+       ret = spi_flash_cmd_wait_ready(flash, timeout);
+       if (ret < 0) {
+               debug("SF: write %s timed out\n",
+                     timeout == SPI_FLASH_PROG_TIMEOUT ?
+                       "program" : "page erase");
+               return ret;
+       }
+
+       spi_release_bus(spi);
+
+       return ret;
+}
+
+int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len)
+{
+       u32 erase_size;
+       u8 cmd[4];
+       int ret = -1;
+
+       erase_size = flash->erase_size;
+       if (offset % erase_size || len % erase_size) {
+               debug("SF: Erase offset/length not multiple of erase size\n");
+               return -1;
+       }
+
+       cmd[0] = flash->erase_cmd;
+       while (len) {
+#ifdef CONFIG_SPI_FLASH_BAR
+               u8 bank_sel;
+
+               bank_sel = offset / SPI_FLASH_16MB_BOUN;
+
+               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
+               if (ret) {
+                       debug("SF: fail to set bank%d\n", bank_sel);
+                       return ret;
+               }
+#endif
+               spi_flash_addr(offset, cmd);
+
+               debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],
+                     cmd[2], cmd[3], offset);
+
+               ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0);
+               if (ret < 0) {
+                       debug("SF: erase failed\n");
+                       break;
+               }
+
+               offset += erase_size;
+               len -= erase_size;
+       }
+
+       return ret;
+}
+
+int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
+               size_t len, const void *buf)
+{
+       unsigned long byte_addr, page_size;
+       size_t chunk_len, actual;
+       u8 cmd[4];
+       int ret = -1;
+
+       page_size = flash->page_size;
+
+       cmd[0] = CMD_PAGE_PROGRAM;
+       for (actual = 0; actual < len; actual += chunk_len) {
+#ifdef CONFIG_SPI_FLASH_BAR
+               u8 bank_sel;
+
+               bank_sel = offset / SPI_FLASH_16MB_BOUN;
+
+               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
+               if (ret) {
+                       debug("SF: fail to set bank%d\n", bank_sel);
+                       return ret;
+               }
+#endif
+               byte_addr = offset % page_size;
+               chunk_len = min(len - actual, page_size - byte_addr);
+
+               if (flash->spi->max_write_size)
+                       chunk_len = min(chunk_len, flash->spi->max_write_size);
+
+               spi_flash_addr(offset, cmd);
+
+               debug("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n",
+                     buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
+
+               ret = spi_flash_write_common(flash, cmd, sizeof(cmd),
+                                       buf + actual, chunk_len);
+               if (ret < 0) {
+                       debug("SF: write failed\n");
+                       break;
+               }
+
+               offset += chunk_len;
+       }
+
+       return ret;
+}
+
+int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
+               size_t cmd_len, void *data, size_t data_len)
+{
+       struct spi_slave *spi = flash->spi;
+       int ret;
+
+       ret = spi_claim_bus(flash->spi);
+       if (ret) {
+               debug("SF: unable to claim SPI bus\n");
+               return ret;
+       }
+
+       ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len);
+       if (ret < 0) {
+               debug("SF: read cmd failed\n");
+               return ret;
+       }
+
+       spi_release_bus(spi);
+
+       return ret;
+}
+
+int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
+               size_t len, void *data)
+{
+       u8 cmd[5], bank_sel = 0;
+       u32 remain_len, read_len;
+       int ret = -1;
+
+       /* Handle memory-mapped SPI */
+       if (flash->memory_map) {
+               memcpy(data, flash->memory_map + offset, len);
+               return 0;
+       }
+
+       cmd[0] = CMD_READ_ARRAY_FAST;
+       cmd[4] = 0x00;
+
+       while (len) {
+#ifdef CONFIG_SPI_FLASH_BAR
+               bank_sel = offset / SPI_FLASH_16MB_BOUN;
+
+               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
+               if (ret) {
+                       debug("SF: fail to set bank%d\n", bank_sel);
+                       return ret;
+               }
+#endif
+               remain_len = (SPI_FLASH_16MB_BOUN * (bank_sel + 1) - offset);
+               if (len < remain_len)
+                       read_len = len;
+               else
+                       read_len = remain_len;
+
+               spi_flash_addr(offset, cmd);
+
+               ret = spi_flash_read_common(flash, cmd, sizeof(cmd),
+                                                       data, read_len);
+               if (ret < 0) {
+                       debug("SF: read failed\n");
+                       break;
+               }
+
+               offset += read_len;
+               len -= read_len;
+               data += read_len;
+       }
+
+       return ret;
+}
+
+#ifdef CONFIG_SPI_FLASH_SST
+static int sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
+{
+       int ret;
+       u8 cmd[4] = {
+               CMD_SST_BP,
+               offset >> 16,
+               offset >> 8,
+               offset,
+       };
+
+       debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
+             spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
+
+       ret = spi_flash_cmd_write_enable(flash);
+       if (ret)
+               return ret;
+
+       ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd), buf, 1);
+       if (ret)
+               return ret;
+
+       return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+}
+
+int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
+               const void *buf)
+{
+       size_t actual, cmd_len;
+       int ret;
+       u8 cmd[4];
+
+       ret = spi_claim_bus(flash->spi);
+       if (ret) {
+               debug("SF: Unable to claim SPI bus\n");
+               return ret;
+       }
+
+       /* If the data is not word aligned, write out leading single byte */
+       actual = offset % 2;
+       if (actual) {
+               ret = sst_byte_write(flash, offset, buf);
+               if (ret)
+                       goto done;
+       }
+       offset += actual;
+
+       ret = spi_flash_cmd_write_enable(flash);
+       if (ret)
+               goto done;
+
+       cmd_len = 4;
+       cmd[0] = CMD_SST_AAI_WP;
+       cmd[1] = offset >> 16;
+       cmd[2] = offset >> 8;
+       cmd[3] = offset;
+
+       for (; actual < len - 1; actual += 2) {
+               debug("WP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
+                     spi_w8r8(flash->spi, CMD_READ_STATUS), buf + actual,
+                     cmd[0], offset);
+
+               ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len,
+                                       buf + actual, 2);
+               if (ret) {
+                       debug("SF: sst word program failed\n");
+                       break;
+               }
+
+               ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+               if (ret)
+                       break;
+
+               cmd_len = 1;
+               offset += 2;
+       }
+
+       if (!ret)
+               ret = spi_flash_cmd_write_disable(flash);
+
+       /* If there is a single trailing byte, write it out */
+       if (!ret && actual != len)
+               ret = sst_byte_write(flash, offset, buf + actual);
+
+ done:
+       debug("SF: sst: program %s %zu bytes @ 0x%zx\n",
+             ret ? "failure" : "success", len, offset - actual);
+
+       spi_release_bus(flash->spi);
+       return ret;
+}
+#endif
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
new file mode 100644 (file)
index 0000000..8f56c63
--- /dev/null
@@ -0,0 +1,360 @@
+/*
+ * SPI flash probing
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
+ * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <spi.h>
+#include <spi_flash.h>
+
+#include "sf_internal.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * struct spi_flash_params - SPI/QSPI flash device params structure
+ *
+ * @name:              Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO])
+ * @jedec:             Device jedec ID (0x[1byte_manuf_id][2byte_dev_id])
+ * @ext_jedec:         Device ext_jedec ID
+ * @sector_size:       Sector size of this device
+ * @nr_sectors:        No.of sectors on this device
+ * @flags:             Importent param, for flash specific behaviour
+ */
+struct spi_flash_params {
+       const char *name;
+       u32 jedec;
+       u16 ext_jedec;
+       u32 sector_size;
+       u32 nr_sectors;
+       u16 flags;
+};
+
+static const struct spi_flash_params spi_flash_params_table[] = {
+#ifdef CONFIG_SPI_FLASH_ATMEL          /* ATMEL */
+       {"AT45DB011D",     0x1f2200, 0x0,       64 * 1024,     4,              SECT_4K},
+       {"AT45DB021D",     0x1f2300, 0x0,       64 * 1024,     8,              SECT_4K},
+       {"AT45DB041D",     0x1f2400, 0x0,       64 * 1024,     8,              SECT_4K},
+       {"AT45DB081D",     0x1f2500, 0x0,       64 * 1024,    16,              SECT_4K},
+       {"AT45DB161D",     0x1f2600, 0x0,       64 * 1024,    32,              SECT_4K},
+       {"AT45DB321D",     0x1f2700, 0x0,       64 * 1024,    64,              SECT_4K},
+       {"AT45DB641D",     0x1f2800, 0x0,       64 * 1024,   128,              SECT_4K},
+#endif
+#ifdef CONFIG_SPI_FLASH_EON            /* EON */
+       {"EN25Q32B",       0x1c3016, 0x0,       64 * 1024,    64,                    0},
+       {"EN25Q64",        0x1c3017, 0x0,       64 * 1024,   128,              SECT_4K},
+       {"EN25Q128B",      0x1c3018, 0x0,       64 * 1024,   256,                    0},
+#endif
+#ifdef CONFIG_SPI_FLASH_GIGADEVICE     /* GIGADEVICE */
+       {"GD25Q64B",       0xc84017, 0x0,       64 * 1024,   128,              SECT_4K},
+       {"GD25LQ32",       0xc86016, 0x0,       64 * 1024,    64,              SECT_4K},
+#endif
+#ifdef CONFIG_SPI_FLASH_MACRONIX       /* MACRONIX */
+       {"MX25L4005",      0xc22013, 0x0,       64 * 1024,     8,                    0},
+       {"MX25L8005",      0xc22014, 0x0,       64 * 1024,    16,                    0},
+       {"MX25L1605D",     0xc22015, 0x0,       64 * 1024,    32,                    0},
+       {"MX25L3205D",     0xc22016, 0x0,       64 * 1024,    64,                    0},
+       {"MX25L6405D",     0xc22017, 0x0,       64 * 1024,   128,                    0},
+       {"MX25L12805",     0xc22018, 0x0,       64 * 1024,   256,                    0},
+       {"MX25L25635F",    0xc22019, 0x0,       64 * 1024,   512,                    0},
+       {"MX25L51235F",    0xc2201A, 0x0,       64 * 1024,  1024,                    0},
+       {"MX25L12855E",    0xc22618, 0x0,       64 * 1024,   256,                    0},
+#endif
+#ifdef CONFIG_SPI_FLASH_SPANSION       /* SPANSION */
+       {"S25FL008A",      0x010213, 0x0,       64 * 1024,    16,                    0},
+       {"S25FL016A",      0x010214, 0x0,       64 * 1024,    32,                    0},
+       {"S25FL032A",      0x010215, 0x0,       64 * 1024,    64,                    0},
+       {"S25FL064A",      0x010216, 0x0,       64 * 1024,   128,                    0},
+       {"S25FL128P_256K", 0x012018, 0x0300,   256 * 1024,    64,                    0},
+       {"S25FL128P_64K",  0x012018, 0x0301,    64 * 1024,   256,                    0},
+       {"S25FL032P",      0x010215, 0x4d00,    64 * 1024,    64,                    0},
+       {"S25FL064P",      0x010216, 0x4d00,    64 * 1024,   128,                    0},
+       {"S25FL128S_64K",  0x012018, 0x4d01,    64 * 1024,   256,                    0},
+       {"S25FL256S_256K", 0x010219, 0x4d00,    64 * 1024,   512,                    0},
+       {"S25FL256S_64K",  0x010219, 0x4d01,    64 * 1024,   512,                    0},
+       {"S25FL512S_256K", 0x010220, 0x4d00,    64 * 1024,  1024,                    0},
+       {"S25FL512S_64K",  0x010220, 0x4d01,    64 * 1024,  1024,                    0},
+#endif
+#ifdef CONFIG_SPI_FLASH_STMICRO                /* STMICRO */
+       {"M25P10",         0x202011, 0x0,       32 * 1024,     4,                    0},
+       {"M25P20",         0x202012, 0x0,       64 * 1024,     4,                    0},
+       {"M25P40",         0x202013, 0x0,       64 * 1024,     8,                    0},
+       {"M25P80",         0x202014, 0x0,       64 * 1024,    16,                    0},
+       {"M25P16",         0x202015, 0x0,       64 * 1024,    32,                    0},
+       {"M25P32",         0x202016, 0x0,       64 * 1024,    64,                    0},
+       {"M25P64",         0x202017, 0x0,       64 * 1024,   128,                    0},
+       {"M25P128",        0x202018, 0x0,      256 * 1024,    64,                    0},
+       {"N25Q32",         0x20ba16, 0x0,       64 * 1024,    64,              SECT_4K},
+       {"N25Q32A",        0x20bb16, 0x0,       64 * 1024,    64,              SECT_4K},
+       {"N25Q64",         0x20ba17, 0x0,       64 * 1024,   128,              SECT_4K},
+       {"N25Q64A",        0x20bb17, 0x0,       64 * 1024,   128,              SECT_4K},
+       {"N25Q128",        0x20ba18, 0x0,       64 * 1024,   256,              SECT_4K},
+       {"N25Q128A",       0x20bb18, 0x0,       64 * 1024,   256,              SECT_4K},
+       {"N25Q256",        0x20ba19, 0x0,       64 * 1024,   512,              SECT_4K},
+       {"N25Q256A",       0x20bb19, 0x0,       64 * 1024,   512,              SECT_4K},
+       {"N25Q512",        0x20ba20, 0x0,       64 * 1024,  1024,      E_FSR | SECT_4K},
+       {"N25Q512A",       0x20bb20, 0x0,       64 * 1024,  1024,      E_FSR | SECT_4K},
+       {"N25Q1024",       0x20ba21, 0x0,       64 * 1024,  2048,      E_FSR | SECT_4K},
+       {"N25Q1024A",      0x20bb21, 0x0,       64 * 1024,  2048,      E_FSR | SECT_4K},
+#endif
+#ifdef CONFIG_SPI_FLASH_SST            /* SST */
+       {"SST25VF040B",    0xbf258d, 0x0,       64 * 1024,     8,     SECT_4K | SST_WP},
+       {"SST25VF080B",    0xbf258e, 0x0,       64 * 1024,    16,     SECT_4K | SST_WP},
+       {"SST25VF016B",    0xbf2541, 0x0,       64 * 1024,    32,     SECT_4K | SST_WP},
+       {"SST25VF032B",    0xbf254a, 0x0,       64 * 1024,    64,     SECT_4K | SST_WP},
+       {"SST25VF064C",    0xbf254b, 0x0,       64 * 1024,   128,              SECT_4K},
+       {"SST25WF512",     0xbf2501, 0x0,       64 * 1024,     1,     SECT_4K | SST_WP},
+       {"SST25WF010",     0xbf2502, 0x0,       64 * 1024,     2,     SECT_4K | SST_WP},
+       {"SST25WF020",     0xbf2503, 0x0,       64 * 1024,     4,     SECT_4K | SST_WP},
+       {"SST25WF040",     0xbf2504, 0x0,       64 * 1024,     8,     SECT_4K | SST_WP},
+       {"SST25WF080",     0xbf2505, 0x0,       64 * 1024,    16,     SECT_4K | SST_WP},
+#endif
+#ifdef CONFIG_SPI_FLASH_WINBOND                /* WINBOND */
+       {"W25P80",         0xef2014, 0x0,       64 * 1024,    16,                   0},
+       {"W25P16",         0xef2015, 0x0,       64 * 1024,    32,                   0},
+       {"W25P32",         0xef2016, 0x0,       64 * 1024,    64,                   0},
+       {"W25X40",         0xef3013, 0x0,       64 * 1024,     8,             SECT_4K},
+       {"W25X16",         0xef3015, 0x0,       64 * 1024,    32,             SECT_4K},
+       {"W25X32",         0xef3016, 0x0,       64 * 1024,    64,             SECT_4K},
+       {"W25X64",         0xef3017, 0x0,       64 * 1024,   128,             SECT_4K},
+       {"W25Q80BL",       0xef4014, 0x0,       64 * 1024,    16,             SECT_4K},
+       {"W25Q16CL",       0xef4015, 0x0,       64 * 1024,    32,             SECT_4K},
+       {"W25Q32BV",       0xef4016, 0x0,       64 * 1024,    64,             SECT_4K},
+       {"W25Q64CV",       0xef4017, 0x0,       64 * 1024,   128,             SECT_4K},
+       {"W25Q128BV",      0xef4018, 0x0,       64 * 1024,   256,             SECT_4K},
+       {"W25Q256",        0xef4019, 0x0,       64 * 1024,   512,             SECT_4K},
+       {"W25Q80BW",       0xef5014, 0x0,       64 * 1024,    16,             SECT_4K},
+       {"W25Q16DW",       0xef6015, 0x0,       64 * 1024,    32,             SECT_4K},
+       {"W25Q32DW",       0xef6016, 0x0,       64 * 1024,    64,             SECT_4K},
+       {"W25Q64DW",       0xef6017, 0x0,       64 * 1024,   128,             SECT_4K},
+       {"W25Q128FW",      0xef6018, 0x0,       64 * 1024,   256,             SECT_4K},
+#endif
+       /*
+        * Note:
+        * Below paired flash devices has similar spi_flash_params params.
+        * (S25FL129P_64K, S25FL128S_64K)
+        * (W25Q80BL, W25Q80BV)
+        * (W25Q16CL, W25Q16DV)
+        * (W25Q32BV, W25Q32FV_SPI)
+        * (W25Q64CV, W25Q64FV_SPI)
+        * (W25Q128BV, W25Q128FV_SPI)
+        * (W25Q32DW, W25Q32FV_QPI)
+        * (W25Q64DW, W25Q64FV_QPI)
+        * (W25Q128FW, W25Q128FV_QPI)
+        */
+};
+
+struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, u8 *idcode)
+{
+       const struct spi_flash_params *params;
+       struct spi_flash *flash;
+       int i;
+       u16 jedec = idcode[1] << 8 | idcode[2];
+       u16 ext_jedec = idcode[3] << 8 | idcode[4];
+
+       /* Get the flash id (jedec = manuf_id + dev_id, ext_jedec) */
+       for (i = 0; i < ARRAY_SIZE(spi_flash_params_table); i++) {
+               params = &spi_flash_params_table[i];
+               if ((params->jedec >> 16) == idcode[0]) {
+                       if ((params->jedec & 0xFFFF) == jedec) {
+                               if (params->ext_jedec == 0)
+                                       break;
+                               else if (params->ext_jedec == ext_jedec)
+                                       break;
+                       }
+               }
+       }
+
+       if (i == ARRAY_SIZE(spi_flash_params_table)) {
+               printf("SF: Unsupported flash IDs: ");
+               printf("manuf %02x, jedec %04x, ext_jedec %04x\n",
+                      idcode[0], jedec, ext_jedec);
+               return NULL;
+       }
+
+       flash = malloc(sizeof(*flash));
+       if (!flash) {
+               debug("SF: Failed to allocate spi_flash\n");
+               return NULL;
+       }
+       memset(flash, '\0', sizeof(*flash));
+
+       flash->spi = spi;
+       flash->name = params->name;
+
+       /* Assign spi_flash ops */
+       flash->write = spi_flash_cmd_write_ops;
+#ifdef CONFIG_SPI_FLASH_SST
+       if (params->flags & SST_WP)
+               flash->write = sst_write_wp;
+#endif
+       flash->erase = spi_flash_cmd_erase_ops;
+       flash->read = spi_flash_cmd_read_ops;
+
+       /* Compute the flash size */
+       flash->page_size = (ext_jedec == 0x4d00) ? 512 : 256;
+       flash->sector_size = params->sector_size;
+       flash->size = flash->sector_size * params->nr_sectors;
+
+       /* Compute erase sector and command */
+       if (params->flags & SECT_4K) {
+               flash->erase_cmd = CMD_ERASE_4K;
+               flash->erase_size = 4096;
+       } else if (params->flags & SECT_32K) {
+               flash->erase_cmd = CMD_ERASE_32K;
+               flash->erase_size = 32768;
+       } else {
+               flash->erase_cmd = CMD_ERASE_64K;
+               flash->erase_size = flash->sector_size;
+       }
+
+       /* Poll cmd seclection */
+       flash->poll_cmd = CMD_READ_STATUS;
+#ifdef CONFIG_SPI_FLASH_STMICRO
+       if (params->flags & E_FSR)
+               flash->poll_cmd = CMD_FLAG_STATUS;
+#endif
+
+#ifdef CONFIG_SPI_FLASH_BAR
+       /* Configure the BAR - discover bank cmds and read current bank  */
+       u8 curr_bank = 0;
+       if (flash->size > SPI_FLASH_16MB_BOUN) {
+               flash->bank_read_cmd = (idcode[0] == 0x01) ?
+                                       CMD_BANKADDR_BRRD : CMD_EXTNADDR_RDEAR;
+               flash->bank_write_cmd = (idcode[0] == 0x01) ?
+                                       CMD_BANKADDR_BRWR : CMD_EXTNADDR_WREAR;
+
+               if (spi_flash_read_common(flash, &flash->bank_read_cmd, 1,
+                                         &curr_bank, 1)) {
+                       debug("SF: fail to read bank addr register\n");
+                       return NULL;
+               }
+               flash->bank_curr = curr_bank;
+       } else {
+               flash->bank_curr = curr_bank;
+       }
+#endif
+
+       /* Flash powers up read-only, so clear BP# bits */
+#if defined(CONFIG_SPI_FLASH_ATMEL) || \
+       defined(CONFIG_SPI_FLASH_MACRONIX) || \
+       defined(CONFIG_SPI_FLASH_SST)
+               spi_flash_cmd_write_status(flash, 0);
+#endif
+
+       return flash;
+}
+
+#ifdef CONFIG_OF_CONTROL
+int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
+{
+       fdt_addr_t addr;
+       fdt_size_t size;
+       int node;
+
+       /* If there is no node, do nothing */
+       node = fdtdec_next_compatible(blob, 0, COMPAT_GENERIC_SPI_FLASH);
+       if (node < 0)
+               return 0;
+
+       addr = fdtdec_get_addr_size(blob, node, "memory-map", &size);
+       if (addr == FDT_ADDR_T_NONE) {
+               debug("%s: Cannot decode address\n", __func__);
+               return 0;
+       }
+
+       if (flash->size != size) {
+               debug("%s: Memory map must cover entire device\n", __func__);
+               return -1;
+       }
+       flash->memory_map = (void *)addr;
+
+       return 0;
+}
+#endif /* CONFIG_OF_CONTROL */
+
+struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
+               unsigned int max_hz, unsigned int spi_mode)
+{
+       struct spi_slave *spi;
+       struct spi_flash *flash = NULL;
+       u8 idcode[5];
+       int ret;
+
+       /* Setup spi_slave */
+       spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
+       if (!spi) {
+               printf("SF: Failed to set up slave\n");
+               return NULL;
+       }
+
+       /* Claim spi bus */
+       ret = spi_claim_bus(spi);
+       if (ret) {
+               debug("SF: Failed to claim SPI bus: %d\n", ret);
+               goto err_claim_bus;
+       }
+
+       /* Read the ID codes */
+       ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
+       if (ret) {
+               printf("SF: Failed to get idcodes\n");
+               goto err_read_id;
+       }
+
+#ifdef DEBUG
+       printf("SF: Got idcodes\n");
+       print_buffer(0, idcode, 1, sizeof(idcode), 0);
+#endif
+
+       /* Validate params from spi_flash_params table */
+       flash = spi_flash_validate_params(spi, idcode);
+       if (!flash)
+               goto err_read_id;
+
+#ifdef CONFIG_OF_CONTROL
+       if (spi_flash_decode_fdt(gd->fdt_blob, flash)) {
+               debug("SF: FDT decode error\n");
+               goto err_read_id;
+       }
+#endif
+#ifndef CONFIG_SPL_BUILD
+       printf("SF: Detected %s with page size ", flash->name);
+       print_size(flash->page_size, ", erase size ");
+       print_size(flash->erase_size, ", total ");
+       print_size(flash->size, "");
+       if (flash->memory_map)
+               printf(", mapped at %p", flash->memory_map);
+       puts("\n");
+#endif
+#ifndef CONFIG_SPI_FLASH_BAR
+       if (flash->size > SPI_FLASH_16MB_BOUN) {
+               puts("SF: Warning - Only lower 16MiB accessible,");
+               puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
+       }
+#endif
+
+       /* Release spi bus */
+       spi_release_bus(spi);
+
+       return flash;
+
+err_read_id:
+       spi_release_bus(spi);
+err_claim_bus:
+       spi_free_slave(spi);
+       return NULL;
+}
+
+void spi_flash_free(struct spi_flash *flash)
+{
+       spi_free_slave(flash->spi);
+       free(flash);
+}
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
deleted file mode 100644 (file)
index ddbdda0..0000000
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * SPI flash interface
- *
- * Copyright (C) 2008 Atmel Corporation
- * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <spi.h>
-
-static int spi_flash_read_write(struct spi_slave *spi,
-                               const u8 *cmd, size_t cmd_len,
-                               const u8 *data_out, u8 *data_in,
-                               size_t data_len)
-{
-       unsigned long flags = SPI_XFER_BEGIN;
-       int ret;
-
-       if (data_len == 0)
-               flags |= SPI_XFER_END;
-
-       ret = spi_xfer(spi, cmd_len * 8, cmd, NULL, flags);
-       if (ret) {
-               debug("SF: Failed to send command (%zu bytes): %d\n",
-                     cmd_len, ret);
-       } else if (data_len != 0) {
-               ret = spi_xfer(spi, data_len * 8, data_out, data_in,
-                                       SPI_XFER_END);
-               if (ret)
-                       debug("SF: Failed to transfer %zu bytes of data: %d\n",
-                             data_len, ret);
-       }
-
-       return ret;
-}
-
-int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,
-               size_t cmd_len, void *data, size_t data_len)
-{
-       return spi_flash_read_write(spi, cmd, cmd_len, NULL, data, data_len);
-}
-
-int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len)
-{
-       return spi_flash_cmd_read(spi, &cmd, 1, response, len);
-}
-
-int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
-               const void *data, size_t data_len)
-{
-       return spi_flash_read_write(spi, cmd, cmd_len, data, NULL, data_len);
-}
diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h
deleted file mode 100644 (file)
index 29a14f4..0000000
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * SPI flash internal definitions
- *
- * Copyright (C) 2008 Atmel Corporation
- * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef _SPI_FLASH_INTERNAL_H_
-#define _SPI_FLASH_INTERNAL_H_
-
-#define SPI_FLASH_16MB_BOUN            0x1000000
-
-/* SECT flags */
-#define SECT_4K                        (1 << 1)
-#define SECT_32K                       (1 << 2)
-#define E_FSR                          (1 << 3)
-
-/* Erase commands */
-#define CMD_ERASE_4K                   0x20
-#define CMD_ERASE_32K                  0x52
-#define CMD_ERASE_CHIP                 0xc7
-#define CMD_ERASE_64K                  0xd8
-
-/* Write commands */
-#define CMD_WRITE_STATUS               0x01
-#define CMD_PAGE_PROGRAM               0x02
-#define CMD_WRITE_DISABLE              0x04
-#define CMD_READ_STATUS                        0x05
-#define CMD_WRITE_ENABLE               0x06
-#define CMD_READ_CONFIG                0x35
-#define CMD_FLAG_STATUS                0x70
-
-/* Read commands */
-#define CMD_READ_ARRAY_SLOW            0x03
-#define CMD_READ_ARRAY_FAST            0x0b
-#define CMD_READ_ID                    0x9f
-
-/* Bank addr access commands */
-#ifdef CONFIG_SPI_FLASH_BAR
-# define CMD_BANKADDR_BRWR             0x17
-# define CMD_BANKADDR_BRRD             0x16
-# define CMD_EXTNADDR_WREAR            0xC5
-# define CMD_EXTNADDR_RDEAR            0xC8
-#endif
-
-/* Common status */
-#define STATUS_WIP                     0x01
-#define STATUS_PEC                     0x80
-
-/* Flash timeout values */
-#define SPI_FLASH_PROG_TIMEOUT         (2 * CONFIG_SYS_HZ)
-#define SPI_FLASH_PAGE_ERASE_TIMEOUT   (5 * CONFIG_SYS_HZ)
-#define SPI_FLASH_SECTOR_ERASE_TIMEOUT (10 * CONFIG_SYS_HZ)
-
-/* SST specific */
-#ifdef CONFIG_SPI_FLASH_SST
-# define SST_WP                        0x01    /* Supports AAI word program */
-# define CMD_SST_BP                    0x02    /* Byte Program */
-# define CMD_SST_AAI_WP                0xAD    /* Auto Address Incr Word Program */
-
-int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
-               const void *buf);
-#endif
-
-/* Send a single-byte command to the device and read the response */
-int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len);
-
-/*
- * Send a multi-byte command to the device and read the response. Used
- * for flash array reads, etc.
- */
-int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,
-               size_t cmd_len, void *data, size_t data_len);
-
-/*
- * Send a multi-byte command to the device followed by (optional)
- * data. Used for programming the flash array, etc.
- */
-int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
-               const void *data, size_t data_len);
-
-
-/* Flash erase(sectors) operation, support all possible erase commands */
-int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len);
-
-/* Program the status register */
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr);
-
-/* Set quad enbale bit */
-int spi_flash_set_qeb(struct spi_flash *flash);
-
-/* Enable writing on the SPI flash */
-static inline int spi_flash_cmd_write_enable(struct spi_flash *flash)
-{
-       return spi_flash_cmd(flash->spi, CMD_WRITE_ENABLE, NULL, 0);
-}
-
-/* Disable writing on the SPI flash */
-static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
-{
-       return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0);
-}
-
-/*
- * Send the read status command to the device and wait for the wip
- * (write-in-progress) bit to clear itself.
- */
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout);
-
-/*
- * Used for spi_flash write operation
- * - SPI claim
- * - spi_flash_cmd_write_enable
- * - spi_flash_cmd_write
- * - spi_flash_cmd_wait_ready
- * - SPI release
- */
-int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
-               size_t cmd_len, const void *buf, size_t buf_len);
-
-/*
- * Flash write operation, support all possible write commands.
- * Write the requested data out breaking it up into multiple write
- * commands as needed per the write size.
- */
-int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
-               size_t len, const void *buf);
-
-/*
- * Same as spi_flash_cmd_read() except it also claims/releases the SPI
- * bus. Used as common part of the ->read() operation.
- */
-int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
-               size_t cmd_len, void *data, size_t data_len);
-
-/* Flash read operation, support all possible read commands */
-int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
-               size_t len, void *data);
-
-#endif /* _SPI_FLASH_INTERNAL_H_ */
diff --git a/drivers/mtd/spi/spi_flash_ops.c b/drivers/mtd/spi/spi_flash_ops.c
deleted file mode 100644 (file)
index 882c8f5..0000000
+++ /dev/null
@@ -1,403 +0,0 @@
-/*
- * SPI flash operations
- *
- * Copyright (C) 2008 Atmel Corporation
- * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
- * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <spi.h>
-#include <spi_flash.h>
-#include <watchdog.h>
-
-#include "spi_flash_internal.h"
-
-static void spi_flash_addr(u32 addr, u8 *cmd)
-{
-       /* cmd[0] is actual command */
-       cmd[1] = addr >> 16;
-       cmd[2] = addr >> 8;
-       cmd[3] = addr >> 0;
-}
-
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr)
-{
-       u8 cmd;
-       int ret;
-
-       cmd = CMD_WRITE_STATUS;
-       ret = spi_flash_write_common(flash, &cmd, 1, &sr, 1);
-       if (ret < 0) {
-               debug("SF: fail to write status register\n");
-               return ret;
-       }
-
-       return 0;
-}
-
-#ifdef CONFIG_SPI_FLASH_BAR
-static int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel)
-{
-       u8 cmd;
-       int ret;
-
-       if (flash->bank_curr == bank_sel) {
-               debug("SF: not require to enable bank%d\n", bank_sel);
-               return 0;
-       }
-
-       cmd = flash->bank_write_cmd;
-       ret = spi_flash_write_common(flash, &cmd, 1, &bank_sel, 1);
-       if (ret < 0) {
-               debug("SF: fail to write bank register\n");
-               return ret;
-       }
-       flash->bank_curr = bank_sel;
-
-       return 0;
-}
-#endif
-
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
-{
-       struct spi_slave *spi = flash->spi;
-       unsigned long timebase;
-       int ret;
-       u8 status;
-       u8 check_status = 0x0;
-       u8 poll_bit = STATUS_WIP;
-       u8 cmd = flash->poll_cmd;
-
-       if (cmd == CMD_FLAG_STATUS) {
-               poll_bit = STATUS_PEC;
-               check_status = poll_bit;
-       }
-
-       ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN);
-       if (ret) {
-               debug("SF: fail to read %s status register\n",
-                     cmd == CMD_READ_STATUS ? "read" : "flag");
-               return ret;
-       }
-
-       timebase = get_timer(0);
-       do {
-               WATCHDOG_RESET();
-
-               ret = spi_xfer(spi, 8, NULL, &status, 0);
-               if (ret)
-                       return -1;
-
-               if ((status & poll_bit) == check_status)
-                       break;
-
-       } while (get_timer(timebase) < timeout);
-
-       spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END);
-
-       if ((status & poll_bit) == check_status)
-               return 0;
-
-       /* Timed out */
-       debug("SF: time out!\n");
-       return -1;
-}
-
-int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
-               size_t cmd_len, const void *buf, size_t buf_len)
-{
-       struct spi_slave *spi = flash->spi;
-       unsigned long timeout = SPI_FLASH_PROG_TIMEOUT;
-       int ret;
-
-       if (buf == NULL)
-               timeout = SPI_FLASH_PAGE_ERASE_TIMEOUT;
-
-       ret = spi_claim_bus(flash->spi);
-       if (ret) {
-               debug("SF: unable to claim SPI bus\n");
-               return ret;
-       }
-
-       ret = spi_flash_cmd_write_enable(flash);
-       if (ret < 0) {
-               debug("SF: enabling write failed\n");
-               return ret;
-       }
-
-       ret = spi_flash_cmd_write(spi, cmd, cmd_len, buf, buf_len);
-       if (ret < 0) {
-               debug("SF: write cmd failed\n");
-               return ret;
-       }
-
-       ret = spi_flash_cmd_wait_ready(flash, timeout);
-       if (ret < 0) {
-               debug("SF: write %s timed out\n",
-                     timeout == SPI_FLASH_PROG_TIMEOUT ?
-                       "program" : "page erase");
-               return ret;
-       }
-
-       spi_release_bus(spi);
-
-       return ret;
-}
-
-int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len)
-{
-       u32 erase_size;
-       u8 cmd[4];
-       int ret = -1;
-
-       erase_size = flash->erase_size;
-       if (offset % erase_size || len % erase_size) {
-               debug("SF: Erase offset/length not multiple of erase size\n");
-               return -1;
-       }
-
-       cmd[0] = flash->erase_cmd;
-       while (len) {
-#ifdef CONFIG_SPI_FLASH_BAR
-               u8 bank_sel;
-
-               bank_sel = offset / SPI_FLASH_16MB_BOUN;
-
-               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
-               if (ret) {
-                       debug("SF: fail to set bank%d\n", bank_sel);
-                       return ret;
-               }
-#endif
-               spi_flash_addr(offset, cmd);
-
-               debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],
-                     cmd[2], cmd[3], offset);
-
-               ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0);
-               if (ret < 0) {
-                       debug("SF: erase failed\n");
-                       break;
-               }
-
-               offset += erase_size;
-               len -= erase_size;
-       }
-
-       return ret;
-}
-
-int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
-               size_t len, const void *buf)
-{
-       unsigned long byte_addr, page_size;
-       size_t chunk_len, actual;
-       u8 cmd[4];
-       int ret = -1;
-
-       page_size = flash->page_size;
-
-       cmd[0] = CMD_PAGE_PROGRAM;
-       for (actual = 0; actual < len; actual += chunk_len) {
-#ifdef CONFIG_SPI_FLASH_BAR
-               u8 bank_sel;
-
-               bank_sel = offset / SPI_FLASH_16MB_BOUN;
-
-               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
-               if (ret) {
-                       debug("SF: fail to set bank%d\n", bank_sel);
-                       return ret;
-               }
-#endif
-               byte_addr = offset % page_size;
-               chunk_len = min(len - actual, page_size - byte_addr);
-
-               if (flash->spi->max_write_size)
-                       chunk_len = min(chunk_len, flash->spi->max_write_size);
-
-               spi_flash_addr(offset, cmd);
-
-               debug("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n",
-                     buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
-
-               ret = spi_flash_write_common(flash, cmd, sizeof(cmd),
-                                       buf + actual, chunk_len);
-               if (ret < 0) {
-                       debug("SF: write failed\n");
-                       break;
-               }
-
-               offset += chunk_len;
-       }
-
-       return ret;
-}
-
-int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
-               size_t cmd_len, void *data, size_t data_len)
-{
-       struct spi_slave *spi = flash->spi;
-       int ret;
-
-       ret = spi_claim_bus(flash->spi);
-       if (ret) {
-               debug("SF: unable to claim SPI bus\n");
-               return ret;
-       }
-
-       ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len);
-       if (ret < 0) {
-               debug("SF: read cmd failed\n");
-               return ret;
-       }
-
-       spi_release_bus(spi);
-
-       return ret;
-}
-
-int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
-               size_t len, void *data)
-{
-       u8 cmd[5], bank_sel = 0;
-       u32 remain_len, read_len;
-       int ret = -1;
-
-       /* Handle memory-mapped SPI */
-       if (flash->memory_map) {
-               memcpy(data, flash->memory_map + offset, len);
-               return 0;
-       }
-
-       cmd[0] = CMD_READ_ARRAY_FAST;
-       cmd[4] = 0x00;
-
-       while (len) {
-#ifdef CONFIG_SPI_FLASH_BAR
-               bank_sel = offset / SPI_FLASH_16MB_BOUN;
-
-               ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
-               if (ret) {
-                       debug("SF: fail to set bank%d\n", bank_sel);
-                       return ret;
-               }
-#endif
-               remain_len = (SPI_FLASH_16MB_BOUN * (bank_sel + 1) - offset);
-               if (len < remain_len)
-                       read_len = len;
-               else
-                       read_len = remain_len;
-
-               spi_flash_addr(offset, cmd);
-
-               ret = spi_flash_read_common(flash, cmd, sizeof(cmd),
-                                                       data, read_len);
-               if (ret < 0) {
-                       debug("SF: read failed\n");
-                       break;
-               }
-
-               offset += read_len;
-               len -= read_len;
-               data += read_len;
-       }
-
-       return ret;
-}
-
-#ifdef CONFIG_SPI_FLASH_SST
-static int sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
-{
-       int ret;
-       u8 cmd[4] = {
-               CMD_SST_BP,
-               offset >> 16,
-               offset >> 8,
-               offset,
-       };
-
-       debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-             spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
-
-       ret = spi_flash_cmd_write_enable(flash);
-       if (ret)
-               return ret;
-
-       ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd), buf, 1);
-       if (ret)
-               return ret;
-
-       return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-}
-
-int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
-               const void *buf)
-{
-       size_t actual, cmd_len;
-       int ret;
-       u8 cmd[4];
-
-       ret = spi_claim_bus(flash->spi);
-       if (ret) {
-               debug("SF: Unable to claim SPI bus\n");
-               return ret;
-       }
-
-       /* If the data is not word aligned, write out leading single byte */
-       actual = offset % 2;
-       if (actual) {
-               ret = sst_byte_write(flash, offset, buf);
-               if (ret)
-                       goto done;
-       }
-       offset += actual;
-
-       ret = spi_flash_cmd_write_enable(flash);
-       if (ret)
-               goto done;
-
-       cmd_len = 4;
-       cmd[0] = CMD_SST_AAI_WP;
-       cmd[1] = offset >> 16;
-       cmd[2] = offset >> 8;
-       cmd[3] = offset;
-
-       for (; actual < len - 1; actual += 2) {
-               debug("WP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-                     spi_w8r8(flash->spi, CMD_READ_STATUS), buf + actual,
-                     cmd[0], offset);
-
-               ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len,
-                                       buf + actual, 2);
-               if (ret) {
-                       debug("SF: sst word program failed\n");
-                       break;
-               }
-
-               ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-               if (ret)
-                       break;
-
-               cmd_len = 1;
-               offset += 2;
-       }
-
-       if (!ret)
-               ret = spi_flash_cmd_write_disable(flash);
-
-       /* If there is a single trailing byte, write it out */
-       if (!ret && actual != len)
-               ret = sst_byte_write(flash, offset, buf + actual);
-
- done:
-       debug("SF: sst: program %s %zu bytes @ 0x%zx\n",
-             ret ? "failure" : "success", len, offset - actual);
-
-       spi_release_bus(flash->spi);
-       return ret;
-}
-#endif
diff --git a/drivers/mtd/spi/spi_flash_probe.c b/drivers/mtd/spi/spi_flash_probe.c
deleted file mode 100644 (file)
index e9fd013..0000000
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- * SPI flash probing
- *
- * Copyright (C) 2008 Atmel Corporation
- * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
- * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <fdtdec.h>
-#include <malloc.h>
-#include <spi.h>
-#include <spi_flash.h>
-
-#include "spi_flash_internal.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/**
- * struct spi_flash_params - SPI/QSPI flash device params structure
- *
- * @name:              Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO])
- * @jedec:             Device jedec ID (0x[1byte_manuf_id][2byte_dev_id])
- * @ext_jedec:         Device ext_jedec ID
- * @sector_size:       Sector size of this device
- * @nr_sectors:        No.of sectors on this device
- * @flags:             Importent param, for flash specific behaviour
- */
-struct spi_flash_params {
-       const char *name;
-       u32 jedec;
-       u16 ext_jedec;
-       u32 sector_size;
-       u32 nr_sectors;
-       u16 flags;
-};
-
-static const struct spi_flash_params spi_flash_params_table[] = {
-#ifdef CONFIG_SPI_FLASH_ATMEL          /* ATMEL */
-       {"AT45DB011D",     0x1f2200, 0x0,       64 * 1024,     4,              SECT_4K},
-       {"AT45DB021D",     0x1f2300, 0x0,       64 * 1024,     8,              SECT_4K},
-       {"AT45DB041D",     0x1f2400, 0x0,       64 * 1024,     8,              SECT_4K},
-       {"AT45DB081D",     0x1f2500, 0x0,       64 * 1024,    16,              SECT_4K},
-       {"AT45DB161D",     0x1f2600, 0x0,       64 * 1024,    32,              SECT_4K},
-       {"AT45DB321D",     0x1f2700, 0x0,       64 * 1024,    64,              SECT_4K},
-       {"AT45DB641D",     0x1f2800, 0x0,       64 * 1024,   128,              SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_EON            /* EON */
-       {"EN25Q32B",       0x1c3016, 0x0,       64 * 1024,    64,                    0},
-       {"EN25Q64",        0x1c3017, 0x0,       64 * 1024,   128,              SECT_4K},
-       {"EN25Q128B",      0x1c3018, 0x0,       64 * 1024,   256,                    0},
-#endif
-#ifdef CONFIG_SPI_FLASH_GIGADEVICE     /* GIGADEVICE */
-       {"GD25Q64B",       0xc84017, 0x0,       64 * 1024,   128,              SECT_4K},
-       {"GD25LQ32",       0xc86016, 0x0,       64 * 1024,    64,              SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_MACRONIX       /* MACRONIX */
-       {"MX25L4005",      0xc22013, 0x0,       64 * 1024,     8,                    0},
-       {"MX25L8005",      0xc22014, 0x0,       64 * 1024,    16,                    0},
-       {"MX25L1605D",     0xc22015, 0x0,       64 * 1024,    32,                    0},
-       {"MX25L3205D",     0xc22016, 0x0,       64 * 1024,    64,                    0},
-       {"MX25L6405D",     0xc22017, 0x0,       64 * 1024,   128,                    0},
-       {"MX25L12805",     0xc22018, 0x0,       64 * 1024,   256,                    0},
-       {"MX25L25635F",    0xc22019, 0x0,       64 * 1024,   512,                    0},
-       {"MX25L51235F",    0xc2201A, 0x0,       64 * 1024,  1024,                    0},
-       {"MX25L12855E",    0xc22618, 0x0,       64 * 1024,   256,                    0},
-#endif
-#ifdef CONFIG_SPI_FLASH_SPANSION       /* SPANSION */
-       {"S25FL008A",      0x010213, 0x0,       64 * 1024,    16,                    0},
-       {"S25FL016A",      0x010214, 0x0,       64 * 1024,    32,                    0},
-       {"S25FL032A",      0x010215, 0x0,       64 * 1024,    64,                    0},
-       {"S25FL064A",      0x010216, 0x0,       64 * 1024,   128,                    0},
-       {"S25FL128P_256K", 0x012018, 0x0300,   256 * 1024,    64,                    0},
-       {"S25FL128P_64K",  0x012018, 0x0301,    64 * 1024,   256,                    0},
-       {"S25FL032P",      0x010215, 0x4d00,    64 * 1024,    64,                    0},
-       {"S25FL064P",      0x010216, 0x4d00,    64 * 1024,   128,                    0},
-       {"S25FL128S_64K",  0x012018, 0x4d01,    64 * 1024,   256,                    0},
-       {"S25FL256S_256K", 0x010219, 0x4d00,    64 * 1024,   512,                    0},
-       {"S25FL256S_64K",  0x010219, 0x4d01,    64 * 1024,   512,                    0},
-       {"S25FL512S_256K", 0x010220, 0x4d00,    64 * 1024,  1024,                    0},
-       {"S25FL512S_64K",  0x010220, 0x4d01,    64 * 1024,  1024,                    0},
-#endif
-#ifdef CONFIG_SPI_FLASH_STMICRO                /* STMICRO */
-       {"M25P10",         0x202011, 0x0,       32 * 1024,     4,                    0},
-       {"M25P20",         0x202012, 0x0,       64 * 1024,     4,                    0},
-       {"M25P40",         0x202013, 0x0,       64 * 1024,     8,                    0},
-       {"M25P80",         0x202014, 0x0,       64 * 1024,    16,                    0},
-       {"M25P16",         0x202015, 0x0,       64 * 1024,    32,                    0},
-       {"M25P32",         0x202016, 0x0,       64 * 1024,    64,                    0},
-       {"M25P64",         0x202017, 0x0,       64 * 1024,   128,                    0},
-       {"M25P128",        0x202018, 0x0,      256 * 1024,    64,                    0},
-       {"N25Q32",         0x20ba16, 0x0,       64 * 1024,    64,              SECT_4K},
-       {"N25Q32A",        0x20bb16, 0x0,       64 * 1024,    64,              SECT_4K},
-       {"N25Q64",         0x20ba17, 0x0,       64 * 1024,   128,              SECT_4K},
-       {"N25Q64A",        0x20bb17, 0x0,       64 * 1024,   128,              SECT_4K},
-       {"N25Q128",        0x20ba18, 0x0,       64 * 1024,   256,              SECT_4K},
-       {"N25Q128A",       0x20bb18, 0x0,       64 * 1024,   256,              SECT_4K},
-       {"N25Q256",        0x20ba19, 0x0,       64 * 1024,   512,              SECT_4K},
-       {"N25Q256A",       0x20bb19, 0x0,       64 * 1024,   512,              SECT_4K},
-       {"N25Q512",        0x20ba20, 0x0,       64 * 1024,  1024,      E_FSR | SECT_4K},
-       {"N25Q512A",       0x20bb20, 0x0,       64 * 1024,  1024,      E_FSR | SECT_4K},
-       {"N25Q1024",       0x20ba21, 0x0,       64 * 1024,  2048,      E_FSR | SECT_4K},
-       {"N25Q1024A",      0x20bb21, 0x0,       64 * 1024,  2048,      E_FSR | SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_SST            /* SST */
-       {"SST25VF040B",    0xbf258d, 0x0,       64 * 1024,     8,     SECT_4K | SST_WP},
-       {"SST25VF080B",    0xbf258e, 0x0,       64 * 1024,    16,     SECT_4K | SST_WP},
-       {"SST25VF016B",    0xbf2541, 0x0,       64 * 1024,    32,     SECT_4K | SST_WP},
-       {"SST25VF032B",    0xbf254a, 0x0,       64 * 1024,    64,     SECT_4K | SST_WP},
-       {"SST25VF064C",    0xbf254b, 0x0,       64 * 1024,   128,              SECT_4K},
-       {"SST25WF512",     0xbf2501, 0x0,       64 * 1024,     1,     SECT_4K | SST_WP},
-       {"SST25WF010",     0xbf2502, 0x0,       64 * 1024,     2,     SECT_4K | SST_WP},
-       {"SST25WF020",     0xbf2503, 0x0,       64 * 1024,     4,     SECT_4K | SST_WP},
-       {"SST25WF040",     0xbf2504, 0x0,       64 * 1024,     8,     SECT_4K | SST_WP},
-       {"SST25WF080",     0xbf2505, 0x0,       64 * 1024,    16,     SECT_4K | SST_WP},
-#endif
-#ifdef CONFIG_SPI_FLASH_WINBOND                /* WINBOND */
-       {"W25P80",         0xef2014, 0x0,       64 * 1024,    16,                   0},
-       {"W25P16",         0xef2015, 0x0,       64 * 1024,    32,                   0},
-       {"W25P32",         0xef2016, 0x0,       64 * 1024,    64,                   0},
-       {"W25X40",         0xef3013, 0x0,       64 * 1024,     8,             SECT_4K},
-       {"W25X16",         0xef3015, 0x0,       64 * 1024,    32,             SECT_4K},
-       {"W25X32",         0xef3016, 0x0,       64 * 1024,    64,             SECT_4K},
-       {"W25X64",         0xef3017, 0x0,       64 * 1024,   128,             SECT_4K},
-       {"W25Q80BL",       0xef4014, 0x0,       64 * 1024,    16,             SECT_4K},
-       {"W25Q16CL",       0xef4015, 0x0,       64 * 1024,    32,             SECT_4K},
-       {"W25Q32BV",       0xef4016, 0x0,       64 * 1024,    64,             SECT_4K},
-       {"W25Q64CV",       0xef4017, 0x0,       64 * 1024,   128,             SECT_4K},
-       {"W25Q128BV",      0xef4018, 0x0,       64 * 1024,   256,             SECT_4K},
-       {"W25Q256",        0xef4019, 0x0,       64 * 1024,   512,             SECT_4K},
-       {"W25Q80BW",       0xef5014, 0x0,       64 * 1024,    16,             SECT_4K},
-       {"W25Q16DW",       0xef6015, 0x0,       64 * 1024,    32,             SECT_4K},
-       {"W25Q32DW",       0xef6016, 0x0,       64 * 1024,    64,             SECT_4K},
-       {"W25Q64DW",       0xef6017, 0x0,       64 * 1024,   128,             SECT_4K},
-       {"W25Q128FW",      0xef6018, 0x0,       64 * 1024,   256,             SECT_4K},
-#endif
-       /*
-        * Note:
-        * Below paired flash devices has similar spi_flash_params params.
-        * (S25FL129P_64K, S25FL128S_64K)
-        * (W25Q80BL, W25Q80BV)
-        * (W25Q16CL, W25Q16DV)
-        * (W25Q32BV, W25Q32FV_SPI)
-        * (W25Q64CV, W25Q64FV_SPI)
-        * (W25Q128BV, W25Q128FV_SPI)
-        * (W25Q32DW, W25Q32FV_QPI)
-        * (W25Q64DW, W25Q64FV_QPI)
-        * (W25Q128FW, W25Q128FV_QPI)
-        */
-};
-
-struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, u8 *idcode)
-{
-       const struct spi_flash_params *params;
-       struct spi_flash *flash;
-       int i;
-       u16 jedec = idcode[1] << 8 | idcode[2];
-       u16 ext_jedec = idcode[3] << 8 | idcode[4];
-
-       /* Get the flash id (jedec = manuf_id + dev_id, ext_jedec) */
-       for (i = 0; i < ARRAY_SIZE(spi_flash_params_table); i++) {
-               params = &spi_flash_params_table[i];
-               if ((params->jedec >> 16) == idcode[0]) {
-                       if ((params->jedec & 0xFFFF) == jedec) {
-                               if (params->ext_jedec == 0)
-                                       break;
-                               else if (params->ext_jedec == ext_jedec)
-                                       break;
-                       }
-               }
-       }
-
-       if (i == ARRAY_SIZE(spi_flash_params_table)) {
-               printf("SF: Unsupported flash IDs: ");
-               printf("manuf %02x, jedec %04x, ext_jedec %04x\n",
-                      idcode[0], jedec, ext_jedec);
-               return NULL;
-       }
-
-       flash = malloc(sizeof(*flash));
-       if (!flash) {
-               debug("SF: Failed to allocate spi_flash\n");
-               return NULL;
-       }
-       memset(flash, '\0', sizeof(*flash));
-
-       flash->spi = spi;
-       flash->name = params->name;
-
-       /* Assign spi_flash ops */
-       flash->write = spi_flash_cmd_write_ops;
-#ifdef CONFIG_SPI_FLASH_SST
-       if (params->flags & SST_WP)
-               flash->write = sst_write_wp;
-#endif
-       flash->erase = spi_flash_cmd_erase_ops;
-       flash->read = spi_flash_cmd_read_ops;
-
-       /* Compute the flash size */
-       flash->page_size = (ext_jedec == 0x4d00) ? 512 : 256;
-       flash->sector_size = params->sector_size;
-       flash->size = flash->sector_size * params->nr_sectors;
-
-       /* Compute erase sector and command */
-       if (params->flags & SECT_4K) {
-               flash->erase_cmd = CMD_ERASE_4K;
-               flash->erase_size = 4096;
-       } else if (params->flags & SECT_32K) {
-               flash->erase_cmd = CMD_ERASE_32K;
-               flash->erase_size = 32768;
-       } else {
-               flash->erase_cmd = CMD_ERASE_64K;
-               flash->erase_size = flash->sector_size;
-       }
-
-       /* Poll cmd seclection */
-       flash->poll_cmd = CMD_READ_STATUS;
-#ifdef CONFIG_SPI_FLASH_STMICRO
-       if (params->flags & E_FSR)
-               flash->poll_cmd = CMD_FLAG_STATUS;
-#endif
-
-#ifdef CONFIG_SPI_FLASH_BAR
-       /* Configure the BAR - discover bank cmds and read current bank  */
-       u8 curr_bank = 0;
-       if (flash->size > SPI_FLASH_16MB_BOUN) {
-               flash->bank_read_cmd = (idcode[0] == 0x01) ?
-                                       CMD_BANKADDR_BRRD : CMD_EXTNADDR_RDEAR;
-               flash->bank_write_cmd = (idcode[0] == 0x01) ?
-                                       CMD_BANKADDR_BRWR : CMD_EXTNADDR_WREAR;
-
-               if (spi_flash_read_common(flash, &flash->bank_read_cmd, 1,
-                                         &curr_bank, 1)) {
-                       debug("SF: fail to read bank addr register\n");
-                       return NULL;
-               }
-               flash->bank_curr = curr_bank;
-       } else {
-               flash->bank_curr = curr_bank;
-       }
-#endif
-
-       /* Flash powers up read-only, so clear BP# bits */
-#if defined(CONFIG_SPI_FLASH_ATMEL) || \
-       defined(CONFIG_SPI_FLASH_MACRONIX) || \
-       defined(CONFIG_SPI_FLASH_SST)
-               spi_flash_cmd_write_status(flash, 0);
-#endif
-
-       return flash;
-}
-
-#ifdef CONFIG_OF_CONTROL
-int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
-{
-       fdt_addr_t addr;
-       fdt_size_t size;
-       int node;
-
-       /* If there is no node, do nothing */
-       node = fdtdec_next_compatible(blob, 0, COMPAT_GENERIC_SPI_FLASH);
-       if (node < 0)
-               return 0;
-
-       addr = fdtdec_get_addr_size(blob, node, "memory-map", &size);
-       if (addr == FDT_ADDR_T_NONE) {
-               debug("%s: Cannot decode address\n", __func__);
-               return 0;
-       }
-
-       if (flash->size != size) {
-               debug("%s: Memory map must cover entire device\n", __func__);
-               return -1;
-       }
-       flash->memory_map = (void *)addr;
-
-       return 0;
-}
-#endif /* CONFIG_OF_CONTROL */
-
-struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
-               unsigned int max_hz, unsigned int spi_mode)
-{
-       struct spi_slave *spi;
-       struct spi_flash *flash = NULL;
-       u8 idcode[5];
-       int ret;
-
-       /* Setup spi_slave */
-       spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
-       if (!spi) {
-               printf("SF: Failed to set up slave\n");
-               return NULL;
-       }
-
-       /* Claim spi bus */
-       ret = spi_claim_bus(spi);
-       if (ret) {
-               debug("SF: Failed to claim SPI bus: %d\n", ret);
-               goto err_claim_bus;
-       }
-
-       /* Read the ID codes */
-       ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
-       if (ret) {
-               printf("SF: Failed to get idcodes\n");
-               goto err_read_id;
-       }
-
-#ifdef DEBUG
-       printf("SF: Got idcodes\n");
-       print_buffer(0, idcode, 1, sizeof(idcode), 0);
-#endif
-
-       /* Validate params from spi_flash_params table */
-       flash = spi_flash_validate_params(spi, idcode);
-       if (!flash)
-               goto err_read_id;
-
-#ifdef CONFIG_OF_CONTROL
-       if (spi_flash_decode_fdt(gd->fdt_blob, flash)) {
-               debug("SF: FDT decode error\n");
-               goto err_read_id;
-       }
-#endif
-#ifndef CONFIG_SPL_BUILD
-       printf("SF: Detected %s with page size ", flash->name);
-       print_size(flash->page_size, ", erase size ");
-       print_size(flash->erase_size, ", total ");
-       print_size(flash->size, "");
-       if (flash->memory_map)
-               printf(", mapped at %p", flash->memory_map);
-       puts("\n");
-#endif
-#ifndef CONFIG_SPI_FLASH_BAR
-       if (flash->size > SPI_FLASH_16MB_BOUN) {
-               puts("SF: Warning - Only lower 16MiB accessible,");
-               puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
-       }
-#endif
-
-       /* Release spi bus */
-       spi_release_bus(spi);
-
-       return flash;
-
-err_read_id:
-       spi_release_bus(spi);
-err_claim_bus:
-       spi_free_slave(spi);
-       return NULL;
-}
-
-void spi_flash_free(struct spi_flash *flash)
-{
-       spi_free_slave(flash->spi);
-       free(flash);
-}