X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fkeymile%2Fcommon%2Fcommon.c;h=9adfefaf6aac9c89cfec7e86429da150aabace33;hb=a9417ce74a8b79b1a3ab879d05f4f54138422c6e;hp=0f57015a5e52079a40a245607aca818a134f9681;hpb=c24853644ddd2dd2e4246b5854a93e6254a14092;p=u-boot diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 0f57015a5e..9adfefaf6a 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -22,163 +22,582 @@ */ #include +#if defined(CONFIG_KM82XX) #include +#endif #include +#include #include +#include +#include +#include +#include #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) #include #endif +#include "../common/common.h" #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) #include -#endif -extern int i2c_soft_read_pin (void); +static void i2c_write_start_seq(void); +static int i2c_make_abort(void); +DECLARE_GLOBAL_DATA_PTR; -#if defined(CFG_I2C_INIT_BOARD) -#define DELAY_ABORT_SEQ 62 -#define DELAY_HALF_PERIOD (500 / (CFG_I2C_SPEED / 1000)) +int ivm_calc_crc(unsigned char *buf, int len) +{ + const unsigned short crc_tab[16] = { + 0x0000, 0xCC01, 0xD801, 0x1400, + 0xF001, 0x3C00, 0x2800, 0xE401, + 0xA001, 0x6C00, 0x7800, 0xB401, + 0x5000, 0x9C01, 0x8801, 0x4400}; -#if defined(CONFIG_MGCOGE) -#define SDA_MASK 0x00010000 -#define SCL_MASK 0x00020000 -static void set_pin (int state, unsigned long mask) + unsigned short crc = 0; /* final result */ + unsigned short r1 = 0; /* temp */ + unsigned char byte = 0; /* input buffer */ + int i; + + /* calculate CRC from array data */ + for (i = 0; i < len; i++) { + byte = buf[i]; + + /* lower 4 bits */ + r1 = crc_tab[crc & 0xF]; + crc = ((crc) >> 4) & 0x0FFF; + crc = crc ^ r1 ^ crc_tab[byte & 0xF]; + + /* upper 4 bits */ + r1 = crc_tab[crc & 0xF]; + crc = (crc >> 4) & 0x0FFF; + crc = crc ^ r1 ^ crc_tab[(byte >> 4) & 0xF]; + } + return crc; +} + +/* + * Set Keymile specific environment variables + * Currently only some memory layout variables are calculated here + * ... ------------------------------------------------ + * ... |@rootfsaddr |@pnvramaddr |@varaddr |@reserved |@END_OF_RAM + * ... |<------------------- pram ------------------->| + * ... ------------------------------------------------ + * @END_OF_RAM: denotes the RAM size + * @pnvramaddr: Startadress of pseudo non volatile RAM in hex + * @pram : preserved ram size in k + * @varaddr : startadress for /var mounted into RAM + */ +int set_km_env(void) { - volatile ioport_t *iop = ioport_addr ((immap_t *)CFG_IMMR, 3); + uchar buf[32]; + unsigned int pnvramaddr; + unsigned int pram; + unsigned int varaddr; - if (state) - iop->pdat |= (mask); - else - iop->pdat &= ~(mask); + pnvramaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM + - CONFIG_KM_PNVRAM; + sprintf((char *)buf, "0x%x", pnvramaddr); + setenv("pnvramaddr", (char *)buf); - iop->pdir |= (mask); + pram = (CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM + CONFIG_KM_PNVRAM) / + 0x400; + sprintf((char *)buf, "0x%x", pram); + setenv("pram", (char *)buf); + + varaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM; + sprintf((char *)buf, "0x%x", varaddr); + setenv("varaddr", (char *)buf); + return 0; } -static int get_pin (unsigned long mask) +static int ivm_set_value(char *name, char *value) { - volatile ioport_t *iop = ioport_addr ((immap_t *)CFG_IMMR, 3); + char tempbuf[256]; - iop->pdir &= ~(mask); - return (0 != (iop->pdat & (mask))); + if (value != NULL) { + sprintf(tempbuf, "%s=%s", name, value); + return set_local_var(tempbuf, 0); + } else { + unset_local_var(name); + } + return 0; } -static void set_sda (int state) +static int ivm_get_value(unsigned char *buf, int len, char *name, int off, + int check) { - set_pin (state, SDA_MASK); + unsigned short val; + unsigned char valbuf[30]; + + if ((buf[off + 0] != buf[off + 2]) && + (buf[off + 2] != buf[off + 4])) { + printf("%s Error corrupted %s\n", __func__, name); + val = -1; + } else { + val = buf[off + 0] + (buf[off + 1] << 8); + if ((val == 0) && (check == 1)) + val = -1; + } + sprintf((char *)valbuf, "%x", val); + ivm_set_value(name, (char *)valbuf); + return val; } -static void set_scl (int state) +#define INV_BLOCKSIZE 0x100 +#define INV_DATAADDRESS 0x21 +#define INVENTORYDATASIZE (INV_BLOCKSIZE - INV_DATAADDRESS - 3) + +#define IVM_POS_SHORT_TEXT 0 +#define IVM_POS_MANU_ID 1 +#define IVM_POS_MANU_SERIAL 2 +#define IVM_POS_PART_NUMBER 3 +#define IVM_POS_BUILD_STATE 4 +#define IVM_POS_SUPPLIER_PART_NUMBER 5 +#define IVM_POS_DELIVERY_DATE 6 +#define IVM_POS_SUPPLIER_BUILD_STATE 7 +#define IVM_POS_CUSTOMER_ID 8 +#define IVM_POS_CUSTOMER_PROD_ID 9 +#define IVM_POS_HISTORY 10 +#define IVM_POS_SYMBOL_ONLY 11 + +static char convert_char(char c) { - set_pin (state, SCL_MASK); + return (c < ' ' || c > '~') ? '.' : c; } -static int get_sda (void) +static int ivm_findinventorystring(int type, + unsigned char* const string, + unsigned long maxlen, + unsigned char *buf) { - return get_pin (SDA_MASK); + int xcode = 0; + unsigned long cr = 0; + unsigned long addr = INV_DATAADDRESS; + unsigned long size = 0; + unsigned long nr = type; + int stop = 0; /* stop on semicolon */ + + memset(string, '\0', maxlen); + switch (type) { + case IVM_POS_SYMBOL_ONLY: + nr = 0; + stop= 1; + break; + default: + nr = type; + stop = 0; + } + + /* Look for the requested number of CR. */ + while ((cr != nr) && (addr < INVENTORYDATASIZE)) { + if ((buf[addr] == '\r')) { + cr++; + } + addr++; + } + + /* + * the expected number of CR was found until the end of the IVM + * content --> fill string + */ + if (addr < INVENTORYDATASIZE) { + /* Copy the IVM string in the corresponding string */ + for (; (buf[addr] != '\r') && + ((buf[addr] != ';') || (!stop)) && + (size < (maxlen - 1) && + (addr < INVENTORYDATASIZE)); addr++) + { + size += sprintf((char *)string + size, "%c", + convert_char (buf[addr])); + } + + /* + * copy phase is done: check if everything is ok. If not, + * the inventory data is most probably corrupted: tell + * the world there is a problem! + */ + if (addr == INVENTORYDATASIZE) { + xcode = -1; + printf("Error end of string not found\n"); + } else if ((size >= (maxlen - 1)) && + (buf[addr] != '\r')) { + xcode = -1; + printf("string too long till next CR\n"); + } + } else { + /* + * some CR are missing... + * the inventory data is most probably corrupted + */ + xcode = -1; + printf("not enough cr found\n"); + } + return xcode; } -static int get_scl (void) +#define GET_STRING(name, which, len) \ + if (ivm_findinventorystring(which, valbuf, len, buf) == 0) { \ + ivm_set_value(name, (char *)valbuf); \ + } + +static int ivm_check_crc(unsigned char *buf, int block) { - return get_pin (SCL_MASK); + unsigned long crc; + unsigned long crceeprom; + + crc = ivm_calc_crc(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2); + crceeprom = (buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 1] + \ + buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2] * 256); + if (crc != crceeprom) { + if (block == 0) + printf("Error CRC Block: %d EEprom: calculated: \ + %lx EEprom: %lx\n", block, crc, crceeprom); + return -1; + } + return 0; } -#if defined(CONFIG_HARD_I2C) -static void setports (int gpio) +static int ivm_analyze_block2(unsigned char *buf, int len) { - volatile ioport_t *iop = ioport_addr ((immap_t *)CFG_IMMR, 3); + unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN]; + unsigned long count; - if (gpio) { - iop->ppar &= ~(SDA_MASK | SCL_MASK); - iop->podr &= ~(SDA_MASK | SCL_MASK); + /* IVM_MacAddress */ + sprintf((char *)valbuf, "%pM", buf); + ivm_set_value("IVM_MacAddress", (char *)valbuf); + /* if an offset is defined, add it */ +#if defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET) + if (CONFIG_PIGGY_MAC_ADRESS_OFFSET > 0) { + unsigned long val = (buf[4] << 16) + (buf[5] << 8) + buf[6]; + + val += CONFIG_PIGGY_MAC_ADRESS_OFFSET; + buf[4] = (val >> 16) & 0xff; + buf[5] = (val >> 8) & 0xff; + buf[6] = val & 0xff; + sprintf((char *)valbuf, "%pM", buf); + } +#endif + if (getenv("ethaddr") == NULL) + setenv((char *)"ethaddr", (char *)valbuf); + + /* IVM_MacCount */ + count = (buf[10] << 24) + + (buf[11] << 16) + + (buf[12] << 8) + + buf[13]; + if (count == 0xffffffff) + count = 1; + sprintf((char *)valbuf, "%lx", count); + ivm_set_value("IVM_MacCount", (char *)valbuf); + return 0; +} + +int ivm_analyze_eeprom(unsigned char *buf, int len) +{ + unsigned short val; + unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN]; + unsigned char *tmp; + + if (ivm_check_crc(buf, 0) != 0) + return -1; + + ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, + "IVM_BoardId", 0, 1); + val = ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, + "IVM_HWKey", 6, 1); + if (val != 0xffff) { + sprintf((char *)valbuf, "%x", ((val / 100) % 10)); + ivm_set_value("IVM_HWVariant", (char *)valbuf); + sprintf((char *)valbuf, "%x", (val % 100)); + ivm_set_value("IVM_HWVersion", (char *)valbuf); + } + ivm_get_value(buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, + "IVM_Functions", 12, 0); + + GET_STRING("IVM_Symbol", IVM_POS_SYMBOL_ONLY, 8) + GET_STRING("IVM_DeviceName", IVM_POS_SHORT_TEXT, 64) + tmp = (unsigned char *) getenv("IVM_DeviceName"); + if (tmp) { + int len = strlen((char *)tmp); + int i = 0; + + while (i < len) { + if (tmp[i] == ';') { + ivm_set_value("IVM_ShortText", + (char *)&tmp[i + 1]); + break; + } + i++; + } + if (i >= len) + ivm_set_value("IVM_ShortText", NULL); } else { - iop->ppar |= (SDA_MASK | SCL_MASK); - iop->pdir &= ~(SDA_MASK | SCL_MASK); - iop->podr |= (SDA_MASK | SCL_MASK); + ivm_set_value("IVM_ShortText", NULL); } + GET_STRING("IVM_ManufacturerID", IVM_POS_MANU_ID, 32) + GET_STRING("IVM_ManufacturerSerialNumber", IVM_POS_MANU_SERIAL, 20) + GET_STRING("IVM_ManufacturerPartNumber", IVM_POS_PART_NUMBER, 32) + GET_STRING("IVM_ManufacturerBuildState", IVM_POS_BUILD_STATE, 32) + GET_STRING("IVM_SupplierPartNumber", IVM_POS_SUPPLIER_PART_NUMBER, 32) + GET_STRING("IVM_DelieveryDate", IVM_POS_DELIVERY_DATE, 32) + GET_STRING("IVM_SupplierBuildState", IVM_POS_SUPPLIER_BUILD_STATE, 32) + GET_STRING("IVM_CustomerID", IVM_POS_CUSTOMER_ID, 32) + GET_STRING("IVM_CustomerProductID", IVM_POS_CUSTOMER_PROD_ID, 32) + + if (ivm_check_crc(&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], 2) != 0) + return 0; + ivm_analyze_block2(&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], + CONFIG_SYS_IVM_EEPROM_PAGE_LEN); + + return 0; } + +int ivm_read_eeprom(void) +{ +#if defined(CONFIG_I2C_MUX) + I2C_MUX_DEVICE *dev = NULL; #endif + uchar i2c_buffer[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; + uchar *buf; + unsigned dev_addr = CONFIG_SYS_IVM_EEPROM_ADR; + int ret; + +#if defined(CONFIG_I2C_MUX) + /* First init the Bus, select the Bus */ +#if defined(CONFIG_SYS_I2C_IVM_BUS) + dev = i2c_mux_ident_muxstring((uchar *)CONFIG_SYS_I2C_IVM_BUS); +#else + buf = (unsigned char *) getenv("EEprom_ivm"); + if (buf != NULL) + dev = i2c_mux_ident_muxstring(buf); +#endif + if (dev == NULL) { + printf("Error couldnt add Bus for IVM\n"); + return -1; + } + i2c_set_bus_num(dev->busid); #endif -#if defined(CONFIG_MGSUVD) -static void set_sda (int state) + buf = (unsigned char *) getenv("EEprom_ivm_addr"); + if (buf != NULL) + dev_addr = simple_strtoul((char *)buf, NULL, 16); + + /* add deblocking here */ + i2c_make_abort(); + + ret = i2c_read(dev_addr, 0, 1, i2c_buffer, + CONFIG_SYS_IVM_EEPROM_MAX_LEN); + if (ret != 0) { + printf ("Error reading EEprom\n"); + return -2; + } + + return ivm_analyze_eeprom(i2c_buffer, CONFIG_SYS_IVM_EEPROM_MAX_LEN); +} + +#if defined(CONFIG_SYS_I2C_INIT_BOARD) +#define DELAY_ABORT_SEQ 62 /* @200kHz 9 clocks = 44us, 62us is ok */ +#define DELAY_HALF_PERIOD (500 / (CONFIG_SYS_I2C_SPEED / 1000)) + +#if defined(CONFIG_KM_82XX) +#define SDA_MASK 0x00010000 +#define SCL_MASK 0x00020000 +void set_pin(int state, unsigned long mask) { - I2C_SDA(state); + ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); + + if (state) + setbits_be32(&iop->pdat, mask); + else + clrbits_be32(&iop->pdat, mask); + + setbits_be32(&iop->pdir, mask); } -static void set_scl (int state) +static int get_pin(unsigned long mask) { - I2C_SCL(state); + ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); + + clrbits_be32(&iop->pdir, mask); + return 0 != (in_be32(&iop->pdat) & mask); } -static int get_sda (void) +static void set_sda(int state) { - return i2c_soft_read_pin (); + set_pin(state, SDA_MASK); } -static int get_scl (void) +static void set_scl(int state) { - int val; + set_pin(state, SCL_MASK); +} - *(unsigned short *)(I2C_BASE_DIR) &= ~SCL_CONF; - udelay (1); - val = *(unsigned char *)(I2C_BASE_PORT); +static int get_sda(void) +{ + return get_pin(SDA_MASK); +} - return ((val & SCL_BIT) == SCL_BIT); +static int get_scl(void) +{ + return get_pin(SCL_MASK); } +#if defined(CONFIG_HARD_I2C) +static void setports(int gpio) +{ + ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 3); + + if (gpio) { + clrbits_be32(&iop->ppar, (SDA_MASK | SCL_MASK)); + clrbits_be32(&iop->podr, (SDA_MASK | SCL_MASK)); + } else { + setbits_be32(&iop->ppar, (SDA_MASK | SCL_MASK)); + clrbits_be32(&iop->pdir, (SDA_MASK | SCL_MASK)); + setbits_be32(&iop->podr, (SDA_MASK | SCL_MASK)); + } +} +#endif #endif -static void writeStartSeq (void) +#if !defined(CONFIG_MPC83xx) +static void i2c_write_start_seq(void) { - set_sda (1); - udelay (DELAY_HALF_PERIOD); - set_scl (1); - udelay (DELAY_HALF_PERIOD); - set_sda (0); - udelay (DELAY_HALF_PERIOD); - set_scl (0); - udelay (DELAY_HALF_PERIOD); + set_sda(1); + udelay(DELAY_HALF_PERIOD); + set_scl(1); + udelay(DELAY_HALF_PERIOD); + set_sda(0); + udelay(DELAY_HALF_PERIOD); + set_scl(0); + udelay(DELAY_HALF_PERIOD); } -/* I2C is a synchronous protocol and resets of the processor in the middle - of an access can block the I2C Bus until a powerdown of the full unit is - done. This function toggles the SCL until the SCL and SCA line are - released, but max. 16 times, after this a I2C start-sequence is sent. - This I2C Deblocking mechanism was developed by Keymile in association - with Anatech and Atmel in 1998. +/* + * I2C is a synchronous protocol and resets of the processor in the middle + * of an access can block the I2C Bus until a powerdown of the full unit is + * done. This function toggles the SCL until the SCL and SCA line are + * released, but max. 16 times, after this a I2C start-sequence is sent. + * This I2C Deblocking mechanism was developed by Keymile in association + * with Anatech and Atmel in 1998. */ -static int i2c_make_abort (void) +static int i2c_make_abort(void) { + +#if defined(CONFIG_HARD_I2C) && !defined(MACH_TYPE_KM_KIRKWOOD) + immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ; + i2c8260_t *i2c = (i2c8260_t *)&immap->im_i2c; + + /* + * disable I2C controller first, otherwhise it thinks we want to + * talk to the slave port... + */ + clrbits_8(&i2c->i2c_i2mod, 0x01); + + /* Set the PortPins to GPIO */ + setports(1); +#endif + int scl_state = 0; int sda_state = 0; int i = 0; int ret = 0; - if (!get_sda ()) { + if (!get_sda()) { ret = -1; while (i < 16) { i++; - set_scl (0); - udelay (DELAY_ABORT_SEQ); - set_scl (1); - udelay (DELAY_ABORT_SEQ); - scl_state = get_scl (); - sda_state = get_sda (); + set_scl(0); + udelay(DELAY_ABORT_SEQ); + set_scl(1); + udelay(DELAY_ABORT_SEQ); + scl_state = get_scl(); + sda_state = get_sda(); if (scl_state && sda_state) { ret = 0; break; } } } - if (ret == 0) { - for (i =0; i < 5; i++) { - writeStartSeq (); - } + if (ret == 0) + for (i = 0; i < 5; i++) + i2c_write_start_seq(); + + /* respect stop setup time */ + udelay(DELAY_ABORT_SEQ); + set_scl(1); + udelay(DELAY_ABORT_SEQ); + set_sda(1); + get_sda(); + +#if defined(CONFIG_HARD_I2C) + /* Set the PortPins back to use for I2C */ + setports(0); +#endif + return ret; +} +#endif + +#if defined(CONFIG_MPC83xx) +static void i2c_write_start_seq(void) +{ + struct fsl_i2c *dev; + dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); + udelay(DELAY_ABORT_SEQ); + out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA)); + udelay(DELAY_ABORT_SEQ); + out_8(&dev->cr, (I2C_CR_MEN)); +} + +static int i2c_make_abort(void) +{ + struct fsl_i2c *dev; + dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); + uchar dummy; + uchar last; + int nbr_read = 0; + int i = 0; + int ret = 0; + + /* wait after each operation to finsh with a delay */ + out_8(&dev->cr, (I2C_CR_MSTA)); + udelay(DELAY_ABORT_SEQ); + out_8(&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA)); + udelay(DELAY_ABORT_SEQ); + dummy = in_8(&dev->dr); + udelay(DELAY_ABORT_SEQ); + last = in_8(&dev->dr); + nbr_read++; + + /* + * do read until the last bit is 1, but stop if the full eeprom is + * read. + */ + while (((last & 0x01) != 0x01) && + (nbr_read < CONFIG_SYS_IVM_EEPROM_MAX_LEN)) { + udelay(DELAY_ABORT_SEQ); + last = in_8(&dev->dr); + nbr_read++; } - get_sda (); + if ((last & 0x01) != 0x01) + ret = -2; + if ((last != 0xff) || (nbr_read > 1)) + printf("[INFO] i2c abort after %d bytes (0x%02x)\n", + nbr_read, last); + udelay(DELAY_ABORT_SEQ); + out_8(&dev->cr, (I2C_CR_MEN)); + udelay(DELAY_ABORT_SEQ); + /* clear status reg */ + out_8(&dev->sr, 0); + + for (i = 0; i < 5; i++) + i2c_write_start_seq(); + if (ret != 0) + printf("[ERROR] i2c abort failed after %d bytes (0x%02x)\n", + nbr_read, last); + return ret; } +#endif /** * i2c_init_board - reset i2c bus. When the board is powercycled during a @@ -186,24 +605,114 @@ static int i2c_make_abort (void) */ void i2c_init_board(void) { -#if defined(CONFIG_HARD_I2C) - volatile immap_t *immap = (immap_t *)CFG_IMMR ; - volatile i2c8260_t *i2c = (i2c8260_t *)&immap->im_i2c; + /* Now run the AbortSequence() */ + i2c_make_abort(); +} +#endif +#endif - /* disable I2C controller first, otherwhise it thinks we want to */ - /* talk to the slave port... */ - i2c->i2c_i2mod &= ~0x01; +#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) +int fdt_set_node_and_value(void *blob, + char *nodename, + char *regname, + void *var, + int size) +{ + int ret = 0; + int nodeoffset = 0; - /* Set the PortPins to GPIO */ - setports (1); -#endif + nodeoffset = fdt_path_offset(blob, nodename); + if (nodeoffset >= 0) { + ret = fdt_setprop(blob, nodeoffset, regname, var, + size); + if (ret < 0) + printf("ft_blob_update(): cannot set %s/%s " + "property err:%s\n", nodename, regname, + fdt_strerror(ret)); + } else { + printf("ft_blob_update(): cannot find %s node " + "err:%s\n", nodename, fdt_strerror(nodeoffset)); + } + return ret; +} - /* Now run the AbortSequence() */ - i2c_make_abort (); +int fdt_get_node_and_value(void *blob, + char *nodename, + char *propname, + void **var) +{ + int len; + int nodeoffset = 0; -#if defined(CONFIG_HARD_I2C) - /* Set the PortPins back to use for I2C */ - setports (0); + nodeoffset = fdt_path_offset(blob, nodename); + if (nodeoffset >= 0) { + *var = (void *)fdt_getprop(blob, nodeoffset, propname, &len); + if (len == 0) { + /* no value */ + printf("%s no value\n", __func__); + return -1; + } else if (len > 0) { + return len; + } else { + printf("libfdt fdt_getprop(): %s\n", + fdt_strerror(len)); + return -2; + } + } else { + printf("%s: cannot find %s node err:%s\n", __func__, + nodename, fdt_strerror(nodeoffset)); + return -3; + } +} #endif + +#if !defined(MACH_TYPE_KM_KIRKWOOD) +int ethernet_present(void) +{ + struct km_bec_fpga *base = + (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE; + + return in_8(&base->bprth) & PIGGY_PRESENT; } #endif + +int board_eth_init(bd_t *bis) +{ + if (ethernet_present()) + return cpu_eth_init(bis); + + return -1; +} + +/* + * do_setboardid command + * read out the board id and the hw key from the intventory EEPROM and set + * this values as environment variables. + */ +static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc, + char *const argv[]) +{ + unsigned char buf[32]; + char *p; + + p = get_local_var("IVM_BoardId"); + if (p == NULL) { + printf("can't get the IVM_Boardid\n"); + return 1; + } + sprintf((char *)buf, "%s", p); + setenv("boardid", (char *)buf); + + p = get_local_var("IVM_HWKey"); + if (p == NULL) { + printf("can't get the IVM_HWKey\n"); + return 1; + } + sprintf((char *)buf, "%s", p); + setenv("hwkey", (char *)buf); + + return 0; +} + +U_BOOT_CMD(km_setboardid, 1, 0, do_setboardid, "setboardid", "read out bid and " + "hwkey from IVM and set in environment");