-}
-#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
-
-#if defined(CONFIG_CPCI405AB)
-#define ONE_WIRE_CLEAR out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
- CONFIG_SYS_FPGA_MODE), \
- in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
- CONFIG_SYS_FPGA_MODE)) | \
- CONFIG_SYS_FPGA_MODE_1WIRE_DIR)
-
-#define ONE_WIRE_SET out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
- CONFIG_SYS_FPGA_MODE), \
- in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
- CONFIG_SYS_FPGA_MODE)) & \
- ~CONFIG_SYS_FPGA_MODE_1WIRE_DIR)
-
-#define ONE_WIRE_GET (in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \
- CONFIG_SYS_FPGA_STATUS)) & \
- CONFIG_SYS_FPGA_MODE_1WIRE)
-
-/*
- * Generate a 1-wire reset, return 1 if no presence detect was found,
- * return 0 otherwise.
- * (NOTE: Does not handle alarm presence from DS2404/DS1994)
- */
-int OWTouchReset(void)
-{
- int result;
-
- ONE_WIRE_CLEAR;
- udelay(480);
- ONE_WIRE_SET;
- udelay(70);
-
- result = ONE_WIRE_GET;
-
- udelay(410);
- return result;
-}
-
-/*
- * Send 1 a 1-wire write bit.
- * Provide 10us recovery time.
- */
-void OWWriteBit(int bit)
-{
- if (bit) {
- /*
- * write '1' bit
- */
- ONE_WIRE_CLEAR;
- udelay(6);
- ONE_WIRE_SET;
- udelay(64);
- } else {
- /*
- * write '0' bit
- */
- ONE_WIRE_CLEAR;
- udelay(60);
- ONE_WIRE_SET;
- udelay(10);
- }
-}
-
-/*
- * Read a bit from the 1-wire bus and return it.
- * Provide 10us recovery time.
- */
-int OWReadBit(void)
-{
- int result;
-
- ONE_WIRE_CLEAR;
- udelay(6);
- ONE_WIRE_SET;
- udelay(9);
-
- result = ONE_WIRE_GET;
-
- udelay(55);
- return result;
-}
-
-void OWWriteByte(int data)
-{
- int loop;
-
- for (loop = 0; loop < 8; loop++) {
- OWWriteBit(data & 0x01);
- data >>= 1;
- }
-}
-
-int OWReadByte(void)
-{
- int loop, result = 0;
-
- for (loop = 0; loop < 8; loop++) {
- result >>= 1;
- if (OWReadBit())
- result |= 0x80;
- }
-
- return result;
-}
-
-int do_onewire(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- unsigned short val;
- int result;
- int i;
- unsigned char ow_id[6];
- char str[32];
- unsigned char ow_crc;
-
- /*
- * Clear 1-wire bit (open drain with pull-up)
- */
- val = in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR +
- CONFIG_SYS_FPGA_MODE));
- val &= ~CONFIG_SYS_FPGA_MODE_1WIRE; /* clear 1-wire bit */
- out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR +
- CONFIG_SYS_FPGA_MODE), val);
-
- result = OWTouchReset();
- if (result != 0)
- puts("No 1-wire device detected!\n");
-
- OWWriteByte(0x33); /* send read rom command */
- OWReadByte(); /* skip family code ( == 0x01) */
- for (i = 0; i < 6; i++)
- ow_id[i] = OWReadByte();
- ow_crc = OWReadByte(); /* read crc */
-
- sprintf(str, "%08X%04X",
- *(unsigned int *)&ow_id[0],
- *(unsigned short *)&ow_id[4]);
- printf("Setting environment variable 'ow_id' to %s\n", str);
- setenv("ow_id", str);
-
- return 0;
-}
-U_BOOT_CMD(
- onewire, 1, 1, do_onewire,
- "Read 1-write ID",
- ""
-);
-
-#define CONFIG_SYS_I2C_EEPROM_ADDR_2 0x51 /* EEPROM CAT24WC32 */
-#define CONFIG_ENV_SIZE_2 0x800 /* 2048 bytes may be used for env vars */
-
-/*
- * Write backplane ip-address...
- */
-int do_get_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- bd_t *bd = gd->bd;
- char *buf;
- ulong crc;
- char str[32];
- char *ptr;
- IPaddr_t ipaddr;
-
- buf = malloc(CONFIG_ENV_SIZE_2);
- if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR_2, 0,
- (uchar *)buf, CONFIG_ENV_SIZE_2))
- puts("\nError reading backplane EEPROM!\n");
- else {
- crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4);
- if (crc != *(ulong *)buf) {
- printf("ERROR: crc mismatch %08lx %08lx\n",
- crc, *(ulong *)buf);
- return -1;
- }
-
- /*
- * Find bp_ip
- */
- ptr = strstr(buf+4, "bp_ip=");
- if (ptr == NULL) {
- printf("ERROR: bp_ip not found!\n");
- return -1;
- }
- ptr += 6;
- ipaddr = string_to_ip(ptr);
-
- /*
- * Update whole ip-addr
- */
- bd->bi_ip_addr = ipaddr;
- sprintf(str, "%ld.%ld.%ld.%ld",
- (bd->bi_ip_addr & 0xff000000) >> 24,
- (bd->bi_ip_addr & 0x00ff0000) >> 16,
- (bd->bi_ip_addr & 0x0000ff00) >> 8,
- (bd->bi_ip_addr & 0x000000ff));
- setenv("ipaddr", str);
- printf("Updated ip_addr from bp_eeprom to %s!\n", str);
- }
-
- free(buf);