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authorDavid S. Miller <davem@davemloft.net>2008-07-18 05:39:39 -0400
committerDavid S. Miller <davem@davemloft.net>2008-07-18 05:39:39 -0400
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /drivers/atm/ambassador.c
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
Diffstat (limited to 'drivers/atm/ambassador.c')
-rw-r--r--drivers/atm/ambassador.c140
1 files changed, 57 insertions, 83 deletions
diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 6adb72a2f876..703364b52170 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -34,6 +34,8 @@
34#include <linux/poison.h> 34#include <linux/poison.h>
35#include <linux/bitrev.h> 35#include <linux/bitrev.h>
36#include <linux/mutex.h> 36#include <linux/mutex.h>
37#include <linux/firmware.h>
38#include <linux/ihex.h>
37 39
38#include <asm/atomic.h> 40#include <asm/atomic.h>
39#include <asm/io.h> 41#include <asm/io.h>
@@ -290,29 +292,6 @@ static inline void __init show_version (void) {
290 292
291*/ 293*/
292 294
293/********** microcode **********/
294
295#ifdef AMB_NEW_MICROCODE
296#define UCODE(x) UCODE2(atmsar12.x)
297#else
298#define UCODE(x) UCODE2(atmsar11.x)
299#endif
300#define UCODE2(x) #x
301
302static u32 __devinitdata ucode_start =
303#include UCODE(start)
304;
305
306static region __devinitdata ucode_regions[] = {
307#include UCODE(regions)
308 { 0, 0 }
309};
310
311static u32 __devinitdata ucode_data[] = {
312#include UCODE(data)
313 0xdeadbeef
314};
315
316static void do_housekeeping (unsigned long arg); 295static void do_housekeeping (unsigned long arg);
317/********** globals **********/ 296/********** globals **********/
318 297
@@ -1841,45 +1820,34 @@ static int __devinit get_loader_version (loader_block * lb,
1841 1820
1842/* loader: write memory data blocks */ 1821/* loader: write memory data blocks */
1843 1822
1844static int __devinit loader_write (loader_block * lb, 1823static int __devinit loader_write (loader_block* lb,
1845 const amb_dev * dev, const u32 * data, 1824 const amb_dev *dev,
1846 u32 address, unsigned int count) { 1825 const struct ihex_binrec *rec) {
1847 unsigned int i;
1848 transfer_block * tb = &lb->payload.transfer; 1826 transfer_block * tb = &lb->payload.transfer;
1849 1827
1850 PRINTD (DBG_FLOW|DBG_LOAD, "loader_write"); 1828 PRINTD (DBG_FLOW|DBG_LOAD, "loader_write");
1851 1829
1852 if (count > MAX_TRANSFER_DATA) 1830 tb->address = rec->addr;
1853 return -EINVAL; 1831 tb->count = cpu_to_be32(be16_to_cpu(rec->len) / 4);
1854 tb->address = cpu_to_be32 (address); 1832 memcpy(tb->data, rec->data, be16_to_cpu(rec->len));
1855 tb->count = cpu_to_be32 (count);
1856 for (i = 0; i < count; ++i)
1857 tb->data[i] = cpu_to_be32 (data[i]);
1858 return do_loader_command (lb, dev, write_adapter_memory); 1833 return do_loader_command (lb, dev, write_adapter_memory);
1859} 1834}
1860 1835
1861/* loader: verify memory data blocks */ 1836/* loader: verify memory data blocks */
1862 1837
1863static int __devinit loader_verify (loader_block * lb, 1838static int __devinit loader_verify (loader_block * lb,
1864 const amb_dev * dev, const u32 * data, 1839 const amb_dev *dev,
1865 u32 address, unsigned int count) { 1840 const struct ihex_binrec *rec) {
1866 unsigned int i;
1867 transfer_block * tb = &lb->payload.transfer; 1841 transfer_block * tb = &lb->payload.transfer;
1868 int res; 1842 int res;
1869 1843
1870 PRINTD (DBG_FLOW|DBG_LOAD, "loader_verify"); 1844 PRINTD (DBG_FLOW|DBG_LOAD, "loader_verify");
1871 1845
1872 if (count > MAX_TRANSFER_DATA) 1846 tb->address = rec->addr;
1873 return -EINVAL; 1847 tb->count = cpu_to_be32(be16_to_cpu(rec->len) / 4);
1874 tb->address = cpu_to_be32 (address);
1875 tb->count = cpu_to_be32 (count);
1876 res = do_loader_command (lb, dev, read_adapter_memory); 1848 res = do_loader_command (lb, dev, read_adapter_memory);
1877 if (!res) 1849 if (!res && memcmp(tb->data, rec->data, be16_to_cpu(rec->len)))
1878 for (i = 0; i < count; ++i) 1850 res = -EINVAL;
1879 if (tb->data[i] != cpu_to_be32 (data[i])) {
1880 res = -EINVAL;
1881 break;
1882 }
1883 return res; 1851 return res;
1884} 1852}
1885 1853
@@ -1962,47 +1930,53 @@ static int amb_reset (amb_dev * dev, int diags) {
1962/********** transfer and start the microcode **********/ 1930/********** transfer and start the microcode **********/
1963 1931
1964static int __devinit ucode_init (loader_block * lb, amb_dev * dev) { 1932static int __devinit ucode_init (loader_block * lb, amb_dev * dev) {
1965 unsigned int i = 0; 1933 const struct firmware *fw;
1966 unsigned int total = 0; 1934 unsigned long start_address;
1967 const u32 * pointer = ucode_data; 1935 const struct ihex_binrec *rec;
1968 u32 address;
1969 unsigned int count;
1970 int res; 1936 int res;
1971 1937
1938 res = request_ihex_firmware(&fw, "atmsar11.fw", &dev->pci_dev->dev);
1939 if (res) {
1940 PRINTK (KERN_ERR, "Cannot load microcode data");
1941 return res;
1942 }
1943
1944 /* First record contains just the start address */
1945 rec = (const struct ihex_binrec *)fw->data;
1946 if (be16_to_cpu(rec->len) != sizeof(__be32) || be32_to_cpu(rec->addr)) {
1947 PRINTK (KERN_ERR, "Bad microcode data (no start record)");
1948 return -EINVAL;
1949 }
1950 start_address = be32_to_cpup((__be32 *)rec->data);
1951
1952 rec = ihex_next_binrec(rec);
1953
1972 PRINTD (DBG_FLOW|DBG_LOAD, "ucode_init"); 1954 PRINTD (DBG_FLOW|DBG_LOAD, "ucode_init");
1973 1955
1974 while (address = ucode_regions[i].start, 1956 while (rec) {
1975 count = ucode_regions[i].count) { 1957 PRINTD (DBG_LOAD, "starting region (%x, %u)", be32_to_cpu(rec->addr),
1976 PRINTD (DBG_LOAD, "starting region (%x, %u)", address, count); 1958 be16_to_cpu(rec->len));
1977 while (count) { 1959 if (be16_to_cpu(rec->len) > 4 * MAX_TRANSFER_DATA) {
1978 unsigned int words; 1960 PRINTK (KERN_ERR, "Bad microcode data (record too long)");
1979 if (count <= MAX_TRANSFER_DATA) 1961 return -EINVAL;
1980 words = count;
1981 else
1982 words = MAX_TRANSFER_DATA;
1983 total += words;
1984 res = loader_write (lb, dev, pointer, address, words);
1985 if (res)
1986 return res;
1987 res = loader_verify (lb, dev, pointer, address, words);
1988 if (res)
1989 return res;
1990 count -= words;
1991 address += sizeof(u32) * words;
1992 pointer += words;
1993 } 1962 }
1994 i += 1; 1963 if (be16_to_cpu(rec->len) & 3) {
1995 } 1964 PRINTK (KERN_ERR, "Bad microcode data (odd number of bytes)");
1996 if (*pointer == ATM_POISON) { 1965 return -EINVAL;
1997 return loader_start (lb, dev, ucode_start); 1966 }
1998 } else { 1967 res = loader_write(lb, dev, rec);
1999 // cast needed as there is no %? for pointer differnces 1968 if (res)
2000 PRINTD (DBG_LOAD|DBG_ERR, 1969 break;
2001 "offset=%li, *pointer=%x, address=%x, total=%u", 1970
2002 (long) (pointer - ucode_data), *pointer, address, total); 1971 res = loader_verify(lb, dev, rec);
2003 PRINTK (KERN_ERR, "incorrect microcode data"); 1972 if (res)
2004 return -ENOMEM; 1973 break;
2005 } 1974 }
1975 release_firmware(fw);
1976 if (!res)
1977 res = loader_start(lb, dev, start_address);
1978
1979 return res;
2006} 1980}
2007 1981
2008/********** give adapter parameters **********/ 1982/********** give adapter parameters **********/