#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
+#include <linux/mutex.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include "at93c.h"
/* New model description table */
#include "lasat_models.h"
-#define EEPROM_CRC(data, len) (~0 ^ crc32(~0, data, len))
+static DEFINE_MUTEX(lasat_eeprom_mutex);
-struct lasat_info lasat_board_info;
+#define EEPROM_CRC(data, len) (~crc32(~0, data, len))
-void update_bcastaddr(void);
+struct lasat_info lasat_board_info;
int EEPROMRead(unsigned int pos, unsigned char *data, int len)
{
int i;
- for (i=0; i<len; i++)
+ for (i = 0; i < len; i++)
*data++ = at93c_read(pos++);
return 0;
}
+
int EEPROMWrite(unsigned int pos, unsigned char *data, int len)
{
int i;
- for (i=0; i<len; i++)
+ for (i = 0; i < len; i++)
at93c_write(pos++, *data++);
return 0;
static void init_flash_sizes(void)
{
- int i;
unsigned long *lb = lasat_board_info.li_flashpart_base;
unsigned long *ls = lasat_board_info.li_flashpart_size;
+ int i;
ls[LASAT_MTD_BOOTLOADER] = 0x40000;
ls[LASAT_MTD_SERVICE] = 0xC0000;
if (lasat_board_info.li_flash_size < 0x1000000) {
lb[LASAT_MTD_BOOTLOADER] = 0x10000000;
ls[LASAT_MTD_CONFIG] = 0x100000;
- if (lasat_board_info.li_flash_size >= 0x400000) {
- ls[LASAT_MTD_FS] = lasat_board_info.li_flash_size - 0x300000;
- }
+ if (lasat_board_info.li_flash_size >= 0x400000)
+ ls[LASAT_MTD_FS] =
+ lasat_board_info.li_flash_size - 0x300000;
}
}
int c;
unsigned long crc;
unsigned long cfg0, cfg1;
- const product_info_t *ppi;
+ const struct product_info *ppi;
int i_n_base_models = N_BASE_MODELS;
const char * const * i_txt_base_models = txt_base_models;
int i_n_prids = N_PRIDS;
cfg0 = lasat_board_info.li_eeprom_info.cfg[0];
cfg1 = lasat_board_info.li_eeprom_info.cfg[1];
- if ( LASAT_W0_DSCTYPE(cfg0) != 1) {
+ if (LASAT_W0_DSCTYPE(cfg0) != 1) {
printk(KERN_WARNING "WARNING...\nWARNING...\n"
"Invalid configuration read from EEPROM, attempting to "
"soldier on...");
/* Base model stuff */
if (lasat_board_info.li_bmid > i_n_base_models)
lasat_board_info.li_bmid = i_n_base_models;
- strcpy(lasat_board_info.li_bmstr, i_txt_base_models[lasat_board_info.li_bmid]);
+ strcpy(lasat_board_info.li_bmstr,
+ i_txt_base_models[lasat_board_info.li_bmid]);
/* Product ID dependent values */
c = lasat_board_info.li_prid;
if (ppi->pi_type)
strcpy(lasat_board_info.li_typestr, ppi->pi_type);
else
- sprintf(lasat_board_info.li_typestr, "%d",10*c);
+ sprintf(lasat_board_info.li_typestr, "%d", 10 * c);
}
-#if defined(CONFIG_INET) && defined(CONFIG_SYSCTL)
- update_bcastaddr();
-#endif
-
return 0;
}
{
unsigned long crc;
+ mutex_lock(&lasat_eeprom_mutex);
+
/* Generate the CRC */
crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
sizeof(struct lasat_eeprom_struct) - 4);
/* Write the EEPROM info */
EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
sizeof(struct lasat_eeprom_struct));
-}
+ mutex_unlock(&lasat_eeprom_mutex);
+}