mgcoge, mgsuvd: added support for the IVM EEprom.
The EEprom contains some Manufacturerinformation, which are read from u-boot at boot time, and saved in same hush shell variables. Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
parent
81473f6781
commit
8f64da7f83
@ -25,6 +25,7 @@
|
||||
#include <mpc8260.h>
|
||||
#include <ioports.h>
|
||||
#include <malloc.h>
|
||||
#include <hush.h>
|
||||
|
||||
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
|
||||
#include <libfdt.h>
|
||||
@ -36,6 +37,292 @@
|
||||
|
||||
extern int i2c_soft_read_pin (void);
|
||||
|
||||
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};
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
static int ivm_set_value (char *name, char *value)
|
||||
{
|
||||
char tempbuf[256];
|
||||
|
||||
if (value != NULL) {
|
||||
sprintf (tempbuf, "%s=%s", name, value);
|
||||
return set_local_var (tempbuf, 0);
|
||||
} else {
|
||||
unset_local_var (name);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ivm_get_value (unsigned char *buf, int len, char *name, int off,
|
||||
int check)
|
||||
{
|
||||
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", __FUNCTION__, 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;
|
||||
}
|
||||
|
||||
#define INVENTORYBLOCKSIZE 0x100
|
||||
#define INVENTORYDATAADDRESS 0x21
|
||||
#define INVENTORYDATASIZE (INVENTORYBLOCKSIZE - INVENTORYDATAADDRESS - 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)
|
||||
{
|
||||
return (c < ' ' || c > '~') ? '.' : c;
|
||||
}
|
||||
|
||||
static int ivm_findinventorystring (int type,
|
||||
unsigned char* const string,
|
||||
unsigned long maxlen,
|
||||
unsigned char *buf)
|
||||
{
|
||||
int xcode = 0;
|
||||
unsigned long cr = 0;
|
||||
unsigned long addr = INVENTORYDATAADDRESS;
|
||||
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;
|
||||
}
|
||||
|
||||
#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)
|
||||
{
|
||||
unsigned long crc;
|
||||
unsigned long crceeprom;
|
||||
|
||||
crc = ivm_calc_crc (buf, CFG_IVM_EEPROM_PAGE_LEN - 2);
|
||||
crceeprom = (buf[CFG_IVM_EEPROM_PAGE_LEN - 1] + \
|
||||
buf[CFG_IVM_EEPROM_PAGE_LEN - 2] * 256);
|
||||
if (crc != crceeprom) {
|
||||
printf ("Error CRC Block: %d EEprom: calculated: %lx EEprom: %lx\n",
|
||||
block, crc, crceeprom);
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ivm_analyze_block2 (unsigned char *buf, int len)
|
||||
{
|
||||
unsigned char valbuf[CFG_IVM_EEPROM_PAGE_LEN];
|
||||
unsigned long count;
|
||||
|
||||
/* IVM_MacAddress */
|
||||
sprintf ((char *)valbuf, "%02X:%02X:%02X:%02X:%02X:%02X",
|
||||
buf[1],
|
||||
buf[2],
|
||||
buf[3],
|
||||
buf[4],
|
||||
buf[5],
|
||||
buf[6]);
|
||||
ivm_set_value ("IVM_MacAddress", (char *)valbuf);
|
||||
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[CFG_IVM_EEPROM_PAGE_LEN];
|
||||
unsigned char *tmp;
|
||||
|
||||
if (ivm_check_crc (buf, 0) != 0)
|
||||
return -1;
|
||||
|
||||
ivm_get_value (buf, CFG_IVM_EEPROM_PAGE_LEN, "IVM_BoardId", 0, 1);
|
||||
val = ivm_get_value (buf, CFG_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, CFG_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 {
|
||||
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[CFG_IVM_EEPROM_PAGE_LEN * 2], 2) != 0)
|
||||
return -2;
|
||||
ivm_analyze_block2 (&buf[CFG_IVM_EEPROM_PAGE_LEN * 2], CFG_IVM_EEPROM_PAGE_LEN);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ivm_read_eeprom (void)
|
||||
{
|
||||
I2C_MUX_DEVICE *dev = NULL;
|
||||
uchar i2c_buffer[CFG_IVM_EEPROM_MAX_LEN];
|
||||
uchar *buf;
|
||||
unsigned dev_addr = CFG_IVM_EEPROM_ADR;
|
||||
|
||||
/* First init the Bus, select the Bus */
|
||||
#if defined(CFG_I2C_IVM_BUS)
|
||||
dev = i2c_mux_ident_muxstring ((uchar *)CFG_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);
|
||||
|
||||
buf = (unsigned char *) getenv ("EEprom_ivm_addr");
|
||||
if (buf != NULL)
|
||||
dev_addr = simple_strtoul ((char *)buf, NULL, 16);
|
||||
|
||||
if (eeprom_read (dev_addr, 0, i2c_buffer, CFG_IVM_EEPROM_MAX_LEN) != 0) {
|
||||
printf ("Error reading EEprom\n");
|
||||
return -2;
|
||||
}
|
||||
|
||||
return ivm_analyze_eeprom (i2c_buffer, CFG_IVM_EEPROM_MAX_LEN);
|
||||
}
|
||||
|
||||
#if defined(CFG_I2C_INIT_BOARD)
|
||||
#define DELAY_ABORT_SEQ 62
|
||||
#define DELAY_HALF_PERIOD (500 / (CFG_I2C_SPEED / 1000))
|
||||
|
@ -34,6 +34,7 @@
|
||||
#include <i2c.h>
|
||||
#endif
|
||||
|
||||
extern int ivm_read_eeprom (void);
|
||||
/*
|
||||
* I/O Port configuration table
|
||||
*
|
||||
@ -299,6 +300,12 @@ int board_early_init_r (void)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hush_init_var (void)
|
||||
{
|
||||
ivm_read_eeprom ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
|
||||
/*
|
||||
* update "memory" property in the blob
|
||||
|
@ -32,6 +32,8 @@
|
||||
#include <libfdt.h>
|
||||
#endif
|
||||
|
||||
extern int ivm_read_eeprom (void);
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
const uint sdram_table[] =
|
||||
@ -145,6 +147,12 @@ int board_early_init_r(void)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hush_init_var (void)
|
||||
{
|
||||
ivm_read_eeprom ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
|
||||
/*
|
||||
* update "memory" property in the blob
|
||||
|
@ -134,6 +134,7 @@
|
||||
#define CFG_PROMPT_HUSH_PS2 "> "
|
||||
#define CFG_LONGHELP /* undef to save memory */
|
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
|
||||
#define CONFIG_HUSH_INIT_VAR 1
|
||||
#if defined(CONFIG_CMD_KGDB)
|
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
|
||||
#else
|
||||
@ -212,6 +213,11 @@
|
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 3
|
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
|
||||
|
||||
/* Support the IVM EEprom */
|
||||
#define CFG_IVM_EEPROM_ADR 0x50
|
||||
#define CFG_IVM_EEPROM_MAX_LEN 0x400
|
||||
#define CFG_IVM_EEPROM_PAGE_LEN 0x100
|
||||
|
||||
/* I2C SYSMON (LM75, AD7414 is almost compatible) */
|
||||
#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
|
||||
#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
|
||||
|
@ -129,6 +129,7 @@
|
||||
#define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
|
||||
#ifdef CFG_HUSH_PARSER
|
||||
#define CFG_PROMPT_HUSH_PS2 "> "
|
||||
#define CONFIG_HUSH_INIT_VAR 1
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_CMD_KGDB)
|
||||
@ -383,6 +384,11 @@
|
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 3
|
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
|
||||
|
||||
/* Support the IVM EEprom */
|
||||
#define CFG_IVM_EEPROM_ADR 0x50
|
||||
#define CFG_IVM_EEPROM_MAX_LEN 0x400
|
||||
#define CFG_IVM_EEPROM_PAGE_LEN 0x100
|
||||
|
||||
/* I2C SYSMON (LM75, AD7414 is almost compatible) */
|
||||
#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
|
||||
#define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */
|
||||
|
Loading…
Reference in New Issue
Block a user