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yaml
---
r: 100994
b: refs/heads/master
c: 27d202f
h: refs/heads/master
v: v3
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David Woodhouse authored and David Woodhouse committed Jul 10, 2008
1 parent 14fec5a commit 41cd3b7
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Showing 9 changed files with 266 additions and 2,171 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ec6752f5afce659025962e25fb2f42b3911254a1
refs/heads/master: 27d202fff1555f5b0eb16a5aedc452566f9ab8bb
6 changes: 3 additions & 3 deletions trunk/drivers/atm/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,9 @@ fore_200e-objs := fore200e.o
hostprogs-y := fore200e_mkfirm

# Files generated that shall be removed upon make clean
clean-files := atmsar11.bin atmsar11.bin1 atmsar11.bin2 pca200e.bin \
pca200e.bin1 pca200e.bin2 pca200e_ecd.bin pca200e_ecd.bin1 \
pca200e_ecd.bin2 sba200e_ecd.bin sba200e_ecd.bin1 sba200e_ecd.bin2
clean-files := pca200e.bin pca200e.bin1 pca200e.bin2 pca200e_ecd.bin \
pca200e_ecd.bin1 pca200e_ecd.bin2 sba200e_ecd.bin sba200e_ecd.bin1 \
sba200e_ecd.bin2
# Firmware generated that shall be removed upon make clean
clean-files += fore200e_pca_fw.c fore200e_sba_fw.c

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140 changes: 57 additions & 83 deletions trunk/drivers/atm/ambassador.c
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@
#include <linux/poison.h>
#include <linux/bitrev.h>
#include <linux/mutex.h>
#include <linux/firmware.h>
#include <linux/ihex.h>

#include <asm/atomic.h>
#include <asm/io.h>
Expand Down Expand Up @@ -290,29 +292,6 @@ static inline void __init show_version (void) {
*/

/********** microcode **********/

#ifdef AMB_NEW_MICROCODE
#define UCODE(x) UCODE2(atmsar12.x)
#else
#define UCODE(x) UCODE2(atmsar11.x)
#endif
#define UCODE2(x) #x

static u32 __devinitdata ucode_start =
#include UCODE(start)
;

static region __devinitdata ucode_regions[] = {
#include UCODE(regions)
{ 0, 0 }
};

static u32 __devinitdata ucode_data[] = {
#include UCODE(data)
0xdeadbeef
};

static void do_housekeeping (unsigned long arg);
/********** globals **********/

Expand Down Expand Up @@ -1841,45 +1820,34 @@ static int __devinit get_loader_version (loader_block * lb,

/* loader: write memory data blocks */

static int __devinit loader_write (loader_block * lb,
const amb_dev * dev, const u32 * data,
u32 address, unsigned int count) {
unsigned int i;
static int __devinit loader_write (loader_block* lb,
const amb_dev *dev,
const struct ihex_binrec *rec) {
transfer_block * tb = &lb->payload.transfer;

PRINTD (DBG_FLOW|DBG_LOAD, "loader_write");

if (count > MAX_TRANSFER_DATA)
return -EINVAL;
tb->address = cpu_to_be32 (address);
tb->count = cpu_to_be32 (count);
for (i = 0; i < count; ++i)
tb->data[i] = cpu_to_be32 (data[i]);

tb->address = rec->addr;
tb->count = cpu_to_be32(be16_to_cpu(rec->len) / 4);
memcpy(tb->data, rec->data, be16_to_cpu(rec->len));
return do_loader_command (lb, dev, write_adapter_memory);
}

/* loader: verify memory data blocks */

static int __devinit loader_verify (loader_block * lb,
const amb_dev * dev, const u32 * data,
u32 address, unsigned int count) {
unsigned int i;
const amb_dev *dev,
const struct ihex_binrec *rec) {
transfer_block * tb = &lb->payload.transfer;
int res;

PRINTD (DBG_FLOW|DBG_LOAD, "loader_verify");

if (count > MAX_TRANSFER_DATA)
return -EINVAL;
tb->address = cpu_to_be32 (address);
tb->count = cpu_to_be32 (count);
tb->address = rec->addr;
tb->count = cpu_to_be32(be16_to_cpu(rec->len) / 4);
res = do_loader_command (lb, dev, read_adapter_memory);
if (!res)
for (i = 0; i < count; ++i)
if (tb->data[i] != cpu_to_be32 (data[i])) {
res = -EINVAL;
break;
}
if (!res && memcmp(tb->data, rec->data, be16_to_cpu(rec->len)))
res = -EINVAL;
return res;
}

Expand Down Expand Up @@ -1962,47 +1930,53 @@ static int amb_reset (amb_dev * dev, int diags) {
/********** transfer and start the microcode **********/

static int __devinit ucode_init (loader_block * lb, amb_dev * dev) {
unsigned int i = 0;
unsigned int total = 0;
const u32 * pointer = ucode_data;
u32 address;
unsigned int count;
const struct firmware *fw;
unsigned long start_address;
const struct ihex_binrec *rec;
int res;

res = request_ihex_firmware(&fw, "atmsar11.fw", &dev->pci_dev->dev);
if (res) {
PRINTK (KERN_ERR, "Cannot load microcode data");
return res;
}

/* First record contains just the start address */
rec = (const struct ihex_binrec *)fw->data;
if (be16_to_cpu(rec->len) != sizeof(__be32) || be32_to_cpu(rec->addr)) {
PRINTK (KERN_ERR, "Bad microcode data (no start record)");
return -EINVAL;
}
start_address = be32_to_cpup((__be32 *)rec->data);

rec = ihex_next_binrec(rec);

PRINTD (DBG_FLOW|DBG_LOAD, "ucode_init");

while (address = ucode_regions[i].start,
count = ucode_regions[i].count) {
PRINTD (DBG_LOAD, "starting region (%x, %u)", address, count);
while (count) {
unsigned int words;
if (count <= MAX_TRANSFER_DATA)
words = count;
else
words = MAX_TRANSFER_DATA;
total += words;
res = loader_write (lb, dev, pointer, address, words);
if (res)
return res;
res = loader_verify (lb, dev, pointer, address, words);
if (res)
return res;
count -= words;
address += sizeof(u32) * words;
pointer += words;

while (rec) {
PRINTD (DBG_LOAD, "starting region (%x, %u)", be32_to_cpu(rec->addr),
be16_to_cpu(rec->len));
if (be16_to_cpu(rec->len) > 4 * MAX_TRANSFER_DATA) {
PRINTK (KERN_ERR, "Bad microcode data (record too long)");
return -EINVAL;
}
i += 1;
}
if (*pointer == ATM_POISON) {
return loader_start (lb, dev, ucode_start);
} else {
// cast needed as there is no %? for pointer differnces
PRINTD (DBG_LOAD|DBG_ERR,
"offset=%li, *pointer=%x, address=%x, total=%u",
(long) (pointer - ucode_data), *pointer, address, total);
PRINTK (KERN_ERR, "incorrect microcode data");
return -ENOMEM;
if (be16_to_cpu(rec->len) & 3) {
PRINTK (KERN_ERR, "Bad microcode data (odd number of bytes)");
return -EINVAL;
}
res = loader_write(lb, dev, rec);
if (res)
break;

res = loader_verify(lb, dev, rec);
if (res)
break;
}
release_firmware(fw);
if (!res)
res = loader_start(lb, dev, start_address);

return res;
}

/********** give adapter parameters **********/
Expand Down
11 changes: 0 additions & 11 deletions trunk/drivers/atm/ambassador.h
Original file line number Diff line number Diff line change
Expand Up @@ -656,17 +656,6 @@ typedef struct amb_dev amb_dev;
#define AMB_DEV(atm_dev) ((amb_dev *) (atm_dev)->dev_data)
#define AMB_VCC(atm_vcc) ((amb_vcc *) (atm_vcc)->dev_data)

/* the microcode */

typedef struct {
u32 start;
unsigned int count;
} region;

static region ucode_regions[];
static u32 ucode_data[];
static u32 ucode_start;

/* rate rounding */

typedef enum {
Expand Down
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