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[PATCH 03/05] orinoco: Agere/Lucent firmware download

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Move firmware download functionality from spectrum_cs into
hermes_dld in preparation for making everything more generic.

Signed-off-by: David Kilroy <kilroyd@xxxxxxxxx>
---
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index ef35bc6..2d2ec4f 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -16,7 +16,7 @@ obj-$(CONFIG_WAVELAN)		+= wavelan.o
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave_cs.o
 obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan_cs.o
 
-obj-$(CONFIG_HERMES)		+= orinoco.o hermes.o
+obj-$(CONFIG_HERMES)		+= orinoco.o hermes.o hermes_dld.o
 obj-$(CONFIG_PCMCIA_HERMES)	+= orinoco_cs.o
 obj-$(CONFIG_APPLE_AIRPORT)	+= airport.o
 obj-$(CONFIG_PLX_HERMES)	+= orinoco_plx.o
diff --git a/drivers/net/wireless/hermes_dld.c b/drivers/net/wireless/hermes_dld.c
new file mode 100644
index 0000000..24b471e
--- /dev/null
+++ b/drivers/net/wireless/hermes_dld.c
@@ -0,0 +1,338 @@
+/*
+ * Hermes download helper driver.
+ *
+ * This could be entirely merged into hermes.c.
+ *
+ * I'm keeping it separate to minimise the amount of merging between
+ * kernel upgrades. It also means the memory overhead for drivers that
+ * don't need firmware download low.
+ *
+ * This driver:
+ *  - is capable of writing to the volatile area of the hermes device
+ *  - is currently not capable of writing to non-volatile areas
+ *  - provide helpers to identify and update plugin data
+ *  - is not capable of interpreting a fw image directly. That is up to
+ *    the main card driver.
+ *  - deals with Hermes I devices. It can probably be modified to deal
+ *    with Hermes II devices
+ *
+ * Copyright (C) 2007, David Kilroy
+ *
+ * Plug data code slightly modified from spectrum_cs driver
+ *    Copyright (C) 2002-2005 Pavel Roskin <proski@xxxxxxx>
+ * Portions based on information in wl_lkm_718 Agere driver
+ *    COPYRIGHT (C) 2001-2004 by Agere Systems Inc. All Rights Reserved
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in
+ * which case the provisions of the GPL are applicable instead of the
+ * above.  If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include "hermes.h"
+#include "hermes_dld.h"
+
+MODULE_DESCRIPTION("Download helper for Lucent Hermes chipset");
+MODULE_AUTHOR("David Kilroy <kilroyd@xxxxxxxxx>");
+MODULE_LICENSE("Dual MPL/GPL");
+
+#define PFX "hermes_dld: "
+
+/*
+ * AUX port access.  To unlock the AUX port write the access keys to the
+ * PARAM0-2 registers, then write HERMES_AUX_ENABLE to the HERMES_CONTROL
+ * register.  Then read it and make sure it's HERMES_AUX_ENABLED.
+ */
+#define HERMES_AUX_ENABLE	0x8000	/* Enable auxiliary port access */
+#define HERMES_AUX_DISABLE	0x4000	/* Disable to auxiliary port access */
+#define HERMES_AUX_ENABLED	0xC000	/* Auxiliary port is open */
+
+#define HERMES_AUX_PW0	0xFE01
+#define HERMES_AUX_PW1	0xDC23
+#define HERMES_AUX_PW2	0xBA45
+
+/* End markers */
+#define PDI_END		0x00000000	/* End of PDA */
+#define BLOCK_END	0xFFFFFFFF	/* Last image block */
+
+/*
+ * The following structures have little-endian fields denoted by
+ * the leading underscore.  Don't access them directly - use inline
+ * functions defined below.
+ */
+
+/*
+ * The binary image to be downloaded consists of series of data blocks.
+ * Each block has the following structure.
+ */
+struct dblock {
+	__le32 addr;		/* adapter address where to write the block */
+	__le16 len;		/* length of the data only, in bytes */
+	char data[0];		/* data to be written */
+} __attribute__ ((packed));
+
+/*
+ * Plug Data References are located in in the image after the last data
+ * block.  They refer to areas in the adapter memory where the plug data
+ * items with matching ID should be written.
+ */
+struct pdr {
+	__le32 id;		/* record ID */
+	__le32 addr;		/* adapter address where to write the data */
+	__le32 len;		/* expected length of the data, in bytes */
+	char next[0];		/* next PDR starts here */
+} __attribute__ ((packed));
+
+/*
+ * Plug Data Items are located in the EEPROM read from the adapter by
+ * primary firmware.  They refer to the device-specific data that should
+ * be plugged into the secondary firmware.
+ */
+struct pdi {
+	__le16 len;		/* length of ID and data, in words */
+	__le16 id;		/* record ID */
+	char data[0];		/* plug data */
+} __attribute__ ((packed));
+
+/* Functions for access to little-endian data */
+static inline u32
+dblock_addr(const struct dblock *blk)
+{
+	return le32_to_cpu(blk->addr);
+}
+
+static inline u32
+dblock_len(const struct dblock *blk)
+{
+	return le16_to_cpu(blk->len);
+}
+
+static inline u32
+pdr_id(const struct pdr *pdr)
+{
+	return le32_to_cpu(pdr->id);
+}
+
+static inline u32
+pdr_addr(const struct pdr *pdr)
+{
+	return le32_to_cpu(pdr->addr);
+}
+
+static inline u32
+pdr_len(const struct pdr *pdr)
+{
+	return le32_to_cpu(pdr->len);
+}
+
+static inline u32
+pdi_id(const struct pdi *pdi)
+{
+	return le16_to_cpu(pdi->id);
+}
+
+/* Return length of the data only, in bytes */
+static inline u32
+pdi_len(const struct pdi *pdi)
+{
+	return 2 * (le16_to_cpu(pdi->len) - 1);
+}
+
+/* Set address of the auxiliary port */
+static inline void
+spectrum_aux_setaddr(hermes_t *hw, u32 addr)
+{
+	hermes_write_reg(hw, HERMES_AUXPAGE, (u16) (addr >> 7));
+	hermes_write_reg(hw, HERMES_AUXOFFSET, (u16) (addr & 0x7F));
+}
+
+/* Open access to the auxiliary port */
+static int
+spectrum_aux_open(hermes_t *hw)
+{
+	int i;
+
+	/* Already open? */
+	if (hermes_read_reg(hw, HERMES_CONTROL) == HERMES_AUX_ENABLED)
+		return 0;
+
+	hermes_write_reg(hw, HERMES_PARAM0, HERMES_AUX_PW0);
+	hermes_write_reg(hw, HERMES_PARAM1, HERMES_AUX_PW1);
+	hermes_write_reg(hw, HERMES_PARAM2, HERMES_AUX_PW2);
+	hermes_write_reg(hw, HERMES_CONTROL, HERMES_AUX_ENABLE);
+
+	for (i = 0; i < 20; i++) {
+		udelay(10);
+		if (hermes_read_reg(hw, HERMES_CONTROL) ==
+		    HERMES_AUX_ENABLED)
+			return 0;
+	}
+
+	return -EBUSY;
+}
+
+/*
+ * Scan PDR for the record with the specified RECORD_ID.
+ * If it's not found, return NULL.
+ */
+static struct pdr *
+spectrum_find_pdr(struct pdr *first_pdr, u32 record_id)
+{
+	struct pdr *pdr = first_pdr;
+
+	while (pdr_id(pdr) != PDI_END) {
+		/*
+		 * PDR area is currently not terminated by PDI_END.
+		 * It's followed by CRC records, which have the type
+		 * field where PDR has length.  The type can be 0 or 1.
+		 */
+		if (pdr_len(pdr) < 2)
+			return NULL;
+
+		/* If the record ID matches, we are done */
+		if (pdr_id(pdr) == record_id)
+			return pdr;
+
+		pdr = (struct pdr *) pdr->next;
+	}
+	return NULL;
+}
+
+/* Process one Plug Data Item - find corresponding PDR and plug it */
+static int
+spectrum_plug_pdi(hermes_t *hw, struct pdr *first_pdr, struct pdi *pdi)
+{
+	struct pdr *pdr;
+
+	/* Find the PDI corresponding to this PDR */
+	pdr = spectrum_find_pdr(first_pdr, pdi_id(pdi));
+
+	/* No match is found, safe to ignore */
+	if (!pdr)
+		return 0;
+
+	/* Lengths of the data in PDI and PDR must match */
+	if (pdi_len(pdi) != pdr_len(pdr))
+		return -EINVAL;
+
+	/* do the actual plugging */
+	spectrum_aux_setaddr(hw, pdr_addr(pdr));
+	hermes_write_bytes(hw, HERMES_AUXDATA, pdi->data, pdi_len(pdi));
+
+	return 0;
+}
+
+/* Read PDA from the adapter */
+int
+spectrum_read_pda(hermes_t *hw, __le16 *pda, int pda_len)
+{
+	int ret;
+	int pda_size;
+
+	/* Issue command to read EEPROM */
+	ret = hermes_docmd_wait(hw, HERMES_CMD_READMIF, 0, 0, 0, NULL);
+	if (ret)
+		return ret;
+
+	/* Open auxiliary port */
+	ret = spectrum_aux_open(hw);
+	if (ret)
+		return ret;
+
+	/* read PDA from EEPROM */
+	spectrum_aux_setaddr(hw, PDA_ADDR);
+	hermes_read_words(hw, HERMES_AUXDATA, pda, pda_len / 2);
+
+	/* Check PDA length */
+	pda_size = le16_to_cpu(pda[0]);
+	if (pda_size > pda_len)
+		return -EINVAL;
+
+	return 0;
+}
+EXPORT_SYMBOL(spectrum_read_pda);
+
+/* Parse PDA and write the records into the adapter */
+int
+spectrum_apply_pda(hermes_t *hw, const struct dblock *first_block,
+		   __le16 *pda)
+{
+	int ret;
+	struct pdi *pdi;
+	struct pdr *first_pdr;
+	const struct dblock *blk = first_block;
+
+	/* Skip all blocks to locate Plug Data References */
+	while (dblock_addr(blk) != BLOCK_END)
+		blk = (struct dblock *) &blk->data[dblock_len(blk)];
+
+	first_pdr = (struct pdr *) blk;
+
+	/* Go through every PDI and plug them into the adapter */
+	pdi = (struct pdi *) (pda + 2);
+	while (pdi_id(pdi) != PDI_END) {
+		ret = spectrum_plug_pdi(hw, first_pdr, pdi);
+		if (ret)
+			return ret;
+
+		/* Increment to the next PDI */
+		pdi = (struct pdi *) &pdi->data[pdi_len(pdi)];
+	}
+	return 0;
+}
+EXPORT_SYMBOL(spectrum_apply_pda);
+
+/* Load firmware blocks into the adapter */
+int
+spectrum_load_blocks(hermes_t *hw, const struct dblock *first_block)
+{
+	const struct dblock *blk;
+	u32 blkaddr;
+	u32 blklen;
+
+	blk = first_block;
+	blkaddr = dblock_addr(blk);
+	blklen = dblock_len(blk);
+
+	while (dblock_addr(blk) != BLOCK_END) {
+		spectrum_aux_setaddr(hw, blkaddr);
+		hermes_write_bytes(hw, HERMES_AUXDATA, blk->data,
+				   blklen);
+
+		blk = (struct dblock *) &blk->data[blklen];
+		blkaddr = dblock_addr(blk);
+		blklen = dblock_len(blk);
+	}
+	return 0;
+}
+EXPORT_SYMBOL(spectrum_load_blocks);
+
+static int __init init_hermes_dld(void)
+{
+	return 0;
+}
+
+static void __exit exit_hermes_dld(void)
+{
+}
+
+module_init(init_hermes_dld);
+module_exit(exit_hermes_dld);
diff --git a/drivers/net/wireless/hermes_dld.h b/drivers/net/wireless/hermes_dld.h
new file mode 100644
index 0000000..2c8892a
--- /dev/null
+++ b/drivers/net/wireless/hermes_dld.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2007, David Kilroy
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in
+ * which case the provisions of the GPL are applicable instead of the
+ * above.  If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+#ifndef _HERMES_DLD_H
+#define _HERMES_DLD_H
+
+#include "hermes.h"
+
+/* Position of PDA in the adapter memory */
+#define EEPROM_ADDR	0x3000
+#define EEPROM_LEN	0x200
+#define PDA_OFFSET	0x100
+
+#define PDA_ADDR	(EEPROM_ADDR + PDA_OFFSET)
+#define PDA_WORDS	((EEPROM_LEN - PDA_OFFSET) / 2)
+
+struct dblock;
+
+int spectrum_read_pda(hermes_t *hw, __le16 *pda, int pda_len);
+int spectrum_apply_pda(hermes_t *hw, const struct dblock *first_block,
+		       __le16 *pda);
+int spectrum_load_blocks(hermes_t *hw, const struct dblock *first_block);
+
+#endif /* _HERMES_DLD_H */
diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c
index b273362..8b412f7 100644
--- a/drivers/net/wireless/spectrum_cs.c
+++ b/drivers/net/wireless/spectrum_cs.c
@@ -33,6 +33,7 @@
 #include <pcmcia/ds.h>
 
 #include "orinoco.h"
+#include "hermes_dld.h"
 
 static const char primary_fw_name[] = "symbol_sp24t_prim_fw";
 static const char secondary_fw_name[] = "symbol_sp24t_sec_fw";
@@ -88,144 +89,9 @@ static void spectrum_cs_release(struct pcmcia_device *link);
 #define HCR_IDLE	0x0E	/* don't run firmware after reset */
 #define HCR_MEM16	0x10	/* memory width bit, should be preserved */
 
-/*
- * AUX port access.  To unlock the AUX port write the access keys to the
- * PARAM0-2 registers, then write HERMES_AUX_ENABLE to the HERMES_CONTROL
- * register.  Then read it and make sure it's HERMES_AUX_ENABLED.
- */
-#define HERMES_AUX_ENABLE	0x8000	/* Enable auxiliary port access */
-#define HERMES_AUX_DISABLE	0x4000	/* Disable to auxiliary port access */
-#define HERMES_AUX_ENABLED	0xC000	/* Auxiliary port is open */
-
-#define HERMES_AUX_PW0	0xFE01
-#define HERMES_AUX_PW1	0xDC23
-#define HERMES_AUX_PW2	0xBA45
-
 /* End markers */
-#define PDI_END		0x00000000	/* End of PDA */
-#define BLOCK_END	0xFFFFFFFF	/* Last image block */
 #define TEXT_END	0x1A		/* End of text header */
 
-/*
- * The following structures have little-endian fields denoted by
- * the leading underscore.  Don't access them directly - use inline
- * functions defined below.
- */
-
-/*
- * The binary image to be downloaded consists of series of data blocks.
- * Each block has the following structure.
- */
-struct dblock {
-	__le32 addr;		/* adapter address where to write the block */
-	__le16 len;		/* length of the data only, in bytes */
-	char data[0];		/* data to be written */
-} __attribute__ ((packed));
-
-/*
- * Plug Data References are located in in the image after the last data
- * block.  They refer to areas in the adapter memory where the plug data
- * items with matching ID should be written.
- */
-struct pdr {
-	__le32 id;		/* record ID */
-	__le32 addr;		/* adapter address where to write the data */
-	__le32 len;		/* expected length of the data, in bytes */
-	char next[0];		/* next PDR starts here */
-} __attribute__ ((packed));
-
-
-/*
- * Plug Data Items are located in the EEPROM read from the adapter by
- * primary firmware.  They refer to the device-specific data that should
- * be plugged into the secondary firmware.
- */
-struct pdi {
-	__le16 len;		/* length of ID and data, in words */
-	__le16 id;		/* record ID */
-	char data[0];		/* plug data */
-} __attribute__ ((packed));
-
-
-/* Functions for access to little-endian data */
-static inline u32
-dblock_addr(const struct dblock *blk)
-{
-	return le32_to_cpu(blk->addr);
-}
-
-static inline u32
-dblock_len(const struct dblock *blk)
-{
-	return le16_to_cpu(blk->len);
-}
-
-static inline u32
-pdr_id(const struct pdr *pdr)
-{
-	return le32_to_cpu(pdr->id);
-}
-
-static inline u32
-pdr_addr(const struct pdr *pdr)
-{
-	return le32_to_cpu(pdr->addr);
-}
-
-static inline u32
-pdr_len(const struct pdr *pdr)
-{
-	return le32_to_cpu(pdr->len);
-}
-
-static inline u32
-pdi_id(const struct pdi *pdi)
-{
-	return le16_to_cpu(pdi->id);
-}
-
-/* Return length of the data only, in bytes */
-static inline u32
-pdi_len(const struct pdi *pdi)
-{
-	return 2 * (le16_to_cpu(pdi->len) - 1);
-}
-
-
-/* Set address of the auxiliary port */
-static inline void
-spectrum_aux_setaddr(hermes_t *hw, u32 addr)
-{
-	hermes_write_reg(hw, HERMES_AUXPAGE, (u16) (addr >> 7));
-	hermes_write_reg(hw, HERMES_AUXOFFSET, (u16) (addr & 0x7F));
-}
-
-
-/* Open access to the auxiliary port */
-static int
-spectrum_aux_open(hermes_t *hw)
-{
-	int i;
-
-	/* Already open? */
-	if (hermes_read_reg(hw, HERMES_CONTROL) == HERMES_AUX_ENABLED)
-		return 0;
-
-	hermes_write_reg(hw, HERMES_PARAM0, HERMES_AUX_PW0);
-	hermes_write_reg(hw, HERMES_PARAM1, HERMES_AUX_PW1);
-	hermes_write_reg(hw, HERMES_PARAM2, HERMES_AUX_PW2);
-	hermes_write_reg(hw, HERMES_CONTROL, HERMES_AUX_ENABLE);
-
-	for (i = 0; i < 20; i++) {
-		udelay(10);
-		if (hermes_read_reg(hw, HERMES_CONTROL) ==
-		    HERMES_AUX_ENABLED)
-			return 0;
-	}
-
-	return -EBUSY;
-}
-
 
 #define CS_CHECK(fn, ret) \
   do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
@@ -294,144 +160,6 @@ spectrum_reset(struct pcmcia_device *link, int idle)
 
 
 /*
- * Scan PDR for the record with the specified RECORD_ID.
- * If it's not found, return NULL.
- */
-static struct pdr *
-spectrum_find_pdr(struct pdr *first_pdr, u32 record_id)
-{
-	struct pdr *pdr = first_pdr;
-
-	while (pdr_id(pdr) != PDI_END) {
-		/*
-		 * PDR area is currently not terminated by PDI_END.
-		 * It's followed by CRC records, which have the type
-		 * field where PDR has length.  The type can be 0 or 1.
-		 */
-		if (pdr_len(pdr) < 2)
-			return NULL;
-
-		/* If the record ID matches, we are done */
-		if (pdr_id(pdr) == record_id)
-			return pdr;
-
-		pdr = (struct pdr *) pdr->next;
-	}
-	return NULL;
-}
-
-
-/* Process one Plug Data Item - find corresponding PDR and plug it */
-static int
-spectrum_plug_pdi(hermes_t *hw, struct pdr *first_pdr, struct pdi *pdi)
-{
-	struct pdr *pdr;
-
-	/* Find the PDI corresponding to this PDR */
-	pdr = spectrum_find_pdr(first_pdr, pdi_id(pdi));
-
-	/* No match is found, safe to ignore */
-	if (!pdr)
-		return 0;
-
-	/* Lengths of the data in PDI and PDR must match */
-	if (pdi_len(pdi) != pdr_len(pdr))
-		return -EINVAL;
-
-	/* do the actual plugging */
-	spectrum_aux_setaddr(hw, pdr_addr(pdr));
-	hermes_write_bytes(hw, HERMES_AUXDATA, pdi->data, pdi_len(pdi));
-
-	return 0;
-}
-
-
-/* Read PDA from the adapter */
-static int
-spectrum_read_pda(hermes_t *hw, __le16 *pda, int pda_len)
-{
-	int ret;
-	int pda_size;
-
-	/* Issue command to read EEPROM */
-	ret = hermes_docmd_wait(hw, HERMES_CMD_READMIF, 0, 0, 0, NULL);
-	if (ret)
-		return ret;
-
-	/* Open auxiliary port */
-	ret = spectrum_aux_open(hw);
-	if (ret)
-		return ret;
-
-	/* read PDA from EEPROM */
-	spectrum_aux_setaddr(hw, PDA_ADDR);
-	hermes_read_words(hw, HERMES_AUXDATA, pda, pda_len / 2);
-
-	/* Check PDA length */
-	pda_size = le16_to_cpu(pda[0]);
-	if (pda_size > pda_len)
-		return -EINVAL;
-
-	return 0;
-}
-
-
-/* Parse PDA and write the records into the adapter */
-static int
-spectrum_apply_pda(hermes_t *hw, const struct dblock *first_block,
-		   __le16 *pda)
-{
-	int ret;
-	struct pdi *pdi;
-	struct pdr *first_pdr;
-	const struct dblock *blk = first_block;
-
-	/* Skip all blocks to locate Plug Data References */
-	while (dblock_addr(blk) != BLOCK_END)
-		blk = (struct dblock *) &blk->data[dblock_len(blk)];
-
-	first_pdr = (struct pdr *) blk;
-
-	/* Go through every PDI and plug them into the adapter */
-	pdi = (struct pdi *) (pda + 2);
-	while (pdi_id(pdi) != PDI_END) {
-		ret = spectrum_plug_pdi(hw, first_pdr, pdi);
-		if (ret)
-			return ret;
-
-		/* Increment to the next PDI */
-		pdi = (struct pdi *) &pdi->data[pdi_len(pdi)];
-	}
-	return 0;
-}
-
-
-/* Load firmware blocks into the adapter */
-static int
-spectrum_load_blocks(hermes_t *hw, const struct dblock *first_block)
-{
-	const struct dblock *blk;
-	u32 blkaddr;
-	u32 blklen;
-
-	blk = first_block;
-	blkaddr = dblock_addr(blk);
-	blklen = dblock_len(blk);
-
-	while (dblock_addr(blk) != BLOCK_END) {
-		spectrum_aux_setaddr(hw, blkaddr);
-		hermes_write_bytes(hw, HERMES_AUXDATA, blk->data,
-				   blklen);
-
-		blk = (struct dblock *) &blk->data[blklen];
-		blkaddr = dblock_addr(blk);
-		blklen = dblock_len(blk);
-	}
-	return 0;
-}
-
-
-/*
  * Process a firmware image - stop the card, load the firmware, reset
  * the card and make sure it responds.  For the secondary firmware take
  * care of the PDA - read it and then write it on top of the firmware.
-
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