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Diffstat (limited to 'board/mpc8641hpcn/sys_eeprom.c')
-rw-r--r--board/mpc8641hpcn/sys_eeprom.c240
1 files changed, 126 insertions, 114 deletions
diff --git a/board/mpc8641hpcn/sys_eeprom.c b/board/mpc8641hpcn/sys_eeprom.c
index 733a57f..74e2a3d 100644
--- a/board/mpc8641hpcn/sys_eeprom.c
+++ b/board/mpc8641hpcn/sys_eeprom.c
@@ -29,16 +29,16 @@
#ifdef CFG_ID_EEPROM
typedef struct {
- unsigned char id[4]; /* 0x0000 - 0x0003 */
- unsigned char sn[12]; /* 0x0004 - 0x000F */
- unsigned char errata[5];/* 0x0010 - 0x0014 */
- unsigned char date[7]; /* 0x0015 - 0x001a */
- unsigned char res_1[37];/* 0x001b - 0x003f */
- unsigned char tab_size; /* 0x0040 */
- unsigned char tab_flag; /* 0x0041 */
- unsigned char mac[8][6];/* 0x0042 - 0x0071 */
- unsigned char res_2[126];/* 0x0072 - 0x00ef */
- unsigned int crc; /* 0x00f0 - 0x00f3 crc32 checksum */
+ unsigned char id[4]; /* 0x0000 - 0x0003 */
+ unsigned char sn[12]; /* 0x0004 - 0x000F */
+ unsigned char errata[5]; /* 0x0010 - 0x0014 */
+ unsigned char date[7]; /* 0x0015 - 0x001a */
+ unsigned char res_1[37]; /* 0x001b - 0x003f */
+ unsigned char tab_size; /* 0x0040 */
+ unsigned char tab_flag; /* 0x0041 */
+ unsigned char mac[8][6]; /* 0x0042 - 0x0071 */
+ unsigned char res_2[126]; /* 0x0072 - 0x00ef */
+ unsigned int crc; /* 0x00f0 - 0x00f3 crc32 checksum */
} EEPROM_data;
static EEPROM_data mac_data;
@@ -48,30 +48,34 @@ int mac_show(void)
int i;
unsigned char ethaddr[8][18];
- printf("ID %c%c%c%c\n", mac_data.id[0],\
- mac_data.id[1],\
- mac_data.id[2],\
- mac_data.id[3]);
- printf("Errata %c%c%c%c%c\n", mac_data.errata[0],\
- mac_data.errata[1],\
- mac_data.errata[2],\
- mac_data.errata[3],\
- mac_data.errata[4]);
- printf("Date %c%c%c%c%c%c%c\n", mac_data.date[0],\
- mac_data.date[1],\
- mac_data.date[2],\
- mac_data.date[3],\
- mac_data.date[4],\
- mac_data.date[5],\
- mac_data.date[6]);
+ printf("ID %c%c%c%c\n",
+ mac_data.id[0],
+ mac_data.id[1],
+ mac_data.id[2],
+ mac_data.id[3]);
+ printf("Errata %c%c%c%c%c\n",
+ mac_data.errata[0],
+ mac_data.errata[1],
+ mac_data.errata[2],
+ mac_data.errata[3],
+ mac_data.errata[4]);
+ printf("Date %c%c%c%c%c%c%c\n",
+ mac_data.date[0],
+ mac_data.date[1],
+ mac_data.date[2],
+ mac_data.date[3],
+ mac_data.date[4],
+ mac_data.date[5],
+ mac_data.date[6]);
for (i = 0; i < 8; i++) {
- sprintf(ethaddr[i],"%02x:%02x:%02x:%02x:%02x:%02x",\
- mac_data.mac[i][0],\
- mac_data.mac[i][1],\
- mac_data.mac[i][2],\
- mac_data.mac[i][3],\
- mac_data.mac[i][4],\
- mac_data.mac[i][5]);
+ sprintf(ethaddr[i],
+ "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac_data.mac[i][0],
+ mac_data.mac[i][1],
+ mac_data.mac[i][2],
+ mac_data.mac[i][3],
+ mac_data.mac[i][4],
+ mac_data.mac[i][5]);
printf("MAC %d %s\n", i, ethaddr[i]);
}
@@ -85,7 +89,7 @@ int mac_show(void)
int mac_read(void)
{
- int ret,length;
+ int ret, length;
unsigned int crc = 0;
unsigned char dev = ID_EEPROM_ADDR, *data;
@@ -98,12 +102,12 @@ int mac_read(void)
data = (unsigned char *)(&mac_data);
printf("Check CRC on reading ...");
- crc = crc32(crc, data, length-4);
+ crc = crc32(crc, data, length - 4);
if (crc != mac_data.crc) {
- printf("CRC checksum is invalid, in EEPROM CRC is %x, calculated CRC is %x\n",mac_data.crc,crc);
+ printf("CRC checksum is invalid, in EEPROM CRC is %x, calculated CRC is %x\n",
+ mac_data.crc, crc);
return -1;
- }
- else {
+ } else {
printf("CRC OK\n");
mac_show();
}
@@ -114,94 +118,97 @@ int mac_prog(void)
{
int ret, i, length;
unsigned int crc = 0;
- unsigned char dev = ID_EEPROM_ADDR,*ptr;
- unsigned char * eeprom_data = (unsigned char *)(&mac_data);
+ unsigned char dev = ID_EEPROM_ADDR, *ptr;
+ unsigned char *eeprom_data = (unsigned char *)(&mac_data);
for (i = 0; i < sizeof(mac_data.res_1); i++)
mac_data.res_1[i] = 0;
- for (i = 0;i < sizeof(mac_data.res_2); i++)
+ for (i = 0; i < sizeof(mac_data.res_2); i++)
mac_data.res_2[i] = 0;
length = sizeof(EEPROM_data);
- crc = crc32 (crc, eeprom_data, length-4);
+ crc = crc32(crc, eeprom_data, length - 4);
mac_data.crc = crc;
for (i = 0, ptr = eeprom_data; i < length; i += 8, ptr += 8) {
- ret = i2c_write(dev, i, 1, ptr, (length-i) <8 ? (length-i) : 8);
- udelay(5000); /* 5ms write cycle timing */
+ ret =
+ i2c_write(dev, i, 1, ptr,
+ (length - i) < 8 ? (length - i) : 8);
+ udelay(5000); /* 5ms write cycle timing */
if (ret)
break;
}
if (ret) {
printf("Programming failed.\n");
return -1;
- }
- else {
- printf("Programming %d bytes. Reading back ...\n",length);
+ } else {
+ printf("Programming %d bytes. Reading back ...\n", length);
mac_read();
}
return 0;
}
-int do_mac (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_mac(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
int i;
char cmd = 's';
unsigned long long mac_val;
- if(i2c_probe(ID_EEPROM_ADDR) != 0)
+ if (i2c_probe(ID_EEPROM_ADDR) != 0)
return -1;
- if(argc>1) {
+ if (argc > 1) {
cmd = argv[1][0];
switch (cmd) {
- case 'r': /* display */
- mac_read();
- break;
- case 's': /* save */
- mac_prog();
- break;
- case 'i': /* id */
- for (i=0; i<4; i++) {
- mac_data.id[i] = argv[2][i];
- }
- break;
- case 'n': /* serial number */
- for (i=0; i<12; i++) {
- mac_data.sn[i] = argv[2][i];
- }
- break;
- case 'e': /* errata */
- for (i=0; i<5; i++) {
- mac_data.errata[i] = argv[2][i];
- }
- break;
- case 'd': /* date */
- for (i=0; i<7; i++) {
- mac_data.date[i] = argv[2][i];
- }
- break;
- case 'p': /* number of ports */
- mac_data.tab_size = (unsigned char)simple_strtoul(argv[2],NULL,16);
- break;
- case '0': /* mac 0 */
- case '1': /* mac 1 */
- case '2': /* mac 2 */
- case '3': /* mac 3 */
- case '4': /* mac 4 */
- case '5': /* mac 5 */
- case '6': /* mac 6 */
- case '7': /* mac 7 */
- mac_val = simple_strtoull(argv[2],NULL,16);
- for (i=0; i<6; i++) {
- mac_data.mac[cmd-'0'][i] = *((unsigned char *)(((unsigned int)(&mac_val))+i+2));
- }
- break;
- case 'h': /* help */
- default:
- printf ("Usage:\n%s\n", cmdtp->usage);
- break;
+ case 'r': /* display */
+ mac_read();
+ break;
+ case 's': /* save */
+ mac_prog();
+ break;
+ case 'i': /* id */
+ for (i = 0; i < 4; i++) {
+ mac_data.id[i] = argv[2][i];
+ }
+ break;
+ case 'n': /* serial number */
+ for (i = 0; i < 12; i++) {
+ mac_data.sn[i] = argv[2][i];
+ }
+ break;
+ case 'e': /* errata */
+ for (i = 0; i < 5; i++) {
+ mac_data.errata[i] = argv[2][i];
+ }
+ break;
+ case 'd': /* date */
+ for (i = 0; i < 7; i++) {
+ mac_data.date[i] = argv[2][i];
+ }
+ break;
+ case 'p': /* number of ports */
+ mac_data.tab_size =
+ (unsigned char)simple_strtoul(argv[2], NULL, 16);
+ break;
+ case '0': /* mac 0 */
+ case '1': /* mac 1 */
+ case '2': /* mac 2 */
+ case '3': /* mac 3 */
+ case '4': /* mac 4 */
+ case '5': /* mac 5 */
+ case '6': /* mac 6 */
+ case '7': /* mac 7 */
+ mac_val = simple_strtoull(argv[2], NULL, 16);
+ for (i = 0; i < 6; i++) {
+ mac_data.mac[cmd - '0'][i] =
+ *((unsigned char *)
+ (((unsigned int)(&mac_val)) + i + 2));
+ }
+ break;
+ case 'h': /* help */
+ default:
+ printf("Usage:\n%s\n", cmdtp->usage);
+ break;
}
- }
- else {
+ } else {
mac_show();
}
return 0;
@@ -209,36 +216,41 @@ int do_mac (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
int mac_read_from_eeprom(void)
{
- int length,i;
- unsigned char dev = ID_EEPROM_ADDR, *data, ethaddr[4][18], enetvar[32];
+ int length, i;
+ unsigned char dev = ID_EEPROM_ADDR;
+ unsigned char *data;
+ unsigned char ethaddr[4][18];
+ unsigned char enetvar[32];
unsigned int crc = 0;
length = sizeof(EEPROM_data);
- if(i2c_read (dev, 0, 1, (unsigned char *)(&mac_data), length)) {
+ if (i2c_read(dev, 0, 1, (unsigned char *)(&mac_data), length)) {
printf("Read failed.\n");
return -1;
}
data = (unsigned char *)(&mac_data);
- crc = crc32(crc, data, length-4);
+ crc = crc32(crc, data, length - 4);
if (crc != mac_data.crc) {
return -1;
- }
- else {
- for(i=0; i<4; i++) {
- if(memcmp(&mac_data.mac[i], "\0\0\0\0\0\0", 6)) {
- sprintf(ethaddr[i], "%02x:%02x:%02x:%02x:%02x:%02x", \
- mac_data.mac[i][0], \
- mac_data.mac[i][1], \
- mac_data.mac[i][2], \
- mac_data.mac[i][3], \
- mac_data.mac[i][4], \
+ } else {
+ for (i = 0; i < 4; i++) {
+ if (memcmp(&mac_data.mac[i], "\0\0\0\0\0\0", 6)) {
+ sprintf(ethaddr[i],
+ "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac_data.mac[i][0],
+ mac_data.mac[i][1],
+ mac_data.mac[i][2],
+ mac_data.mac[i][3],
+ mac_data.mac[i][4],
mac_data.mac[i][5]);
- sprintf(enetvar, i ? "eth%daddr" : "ethaddr", i);
+ sprintf(enetvar,
+ i ? "eth%daddr" : "ethaddr",
+ i);
setenv(enetvar, ethaddr[i]);
}
}
}
return 0;
}
-#endif /* CFG_ID_EEPROM */
+#endif /* CFG_ID_EEPROM */
generated by cgit v1.1 at 2024-12-03 22:43:37 +0000