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tricorder: rewrite tricordereeprom command

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This rewrite uses lately promoted eeprom_init(int) function to choose the
right I2C bus when writing data to the EEPROM.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Heiko Schocher <hs@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Andreas Bießmann 2015-11-10 20:53:17 +01:00 • committed by Tom Rini
parent 7ec2328d9e
commit 8961dac970
1 changed files with 10 additions and 28 deletions
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38
board/corscience/tricorder/tricorder-eeprom.c
View file

@ -77,17 +77,13 @@ static int handle_eeprom_v1(struct tricorder_eeprom *eeprom)
int tricorder_get_eeprom(int addr, struct tricorder_eeprom *eeprom) int tricorder_get_eeprom(int addr, struct tricorder_eeprom *eeprom)
{ {
#ifdef CONFIG_SYS_EEPROM_BUS_NUM
unsigned int bus = i2c_get_bus_num(); unsigned int bus = i2c_get_bus_num();
i2c_set_bus_num(CONFIG_SYS_EEPROM_BUS_NUM); i2c_set_bus_num(CONFIG_SYS_EEPROM_BUS_NUM);
#endif
memset(eeprom, 0, TRICORDER_EEPROM_SIZE); memset(eeprom, 0, TRICORDER_EEPROM_SIZE);
i2c_read(addr, 0, 2, (unsigned char *)eeprom, TRICORDER_EEPROM_SIZE); i2c_read(addr, 0, 2, (unsigned char *)eeprom, TRICORDER_EEPROM_SIZE);
#ifdef CONFIG_SYS_EEPROM_BUS_NUM
i2c_set_bus_num(bus); i2c_set_bus_num(bus);
#endif
if (be32_to_cpu(eeprom->magic) != TRICORDER_EEPROM_MAGIC) { if (be32_to_cpu(eeprom->magic) != TRICORDER_EEPROM_MAGIC) {
warn_wrong_value("magic", TRICORDER_EEPROM_MAGIC, warn_wrong_value("magic", TRICORDER_EEPROM_MAGIC,
@ -138,9 +134,6 @@ int tricorder_eeprom_write(unsigned devaddr, const char *name,
int ret; int ret;
unsigned char *p; unsigned char *p;
int i; int i;
#ifdef CONFIG_SYS_EEPROM_BUS_NUM
unsigned int bus;
#endif
memset(eeprom, 0, TRICORDER_EEPROM_SIZE); memset(eeprom, 0, TRICORDER_EEPROM_SIZE);
memset(eeprom_verify, 0, TRICORDER_EEPROM_SIZE); memset(eeprom_verify, 0, TRICORDER_EEPROM_SIZE);
@ -172,33 +165,23 @@ int tricorder_eeprom_write(unsigned devaddr, const char *name,
print_buffer(0, &eeprom, 1, sizeof(eeprom), 16); print_buffer(0, &eeprom, 1, sizeof(eeprom), 16);
#endif #endif
#ifdef CONFIG_SYS_EEPROM_BUS_NUM eeprom_init(CONFIG_SYS_EEPROM_BUS_NUM);
bus = i2c_get_bus_num();
i2c_set_bus_num(CONFIG_SYS_EEPROM_BUS_NUM);
#endif
/* do page write to the eeprom */ ret = eeprom_write(devaddr, 0, (unsigned char *)&eeprom,
for (i = 0, p = (unsigned char *)&eeprom;
i < sizeof(eeprom);
i += 32, p += 32) {
ret = i2c_write(devaddr, i, CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
p, min(sizeof(eeprom) - i, 32));
if (ret)
break;
udelay(5000); /* 5ms write cycle timing */
}
ret = i2c_read(devaddr, 0, 2, (unsigned char *)&eeprom_verify,
TRICORDER_EEPROM_SIZE); TRICORDER_EEPROM_SIZE);
if (ret)
printf("Tricorder: Could not write EEPROM content!\n");
ret = eeprom_read(devaddr, 0, (unsigned char *)&eeprom_verify,
TRICORDER_EEPROM_SIZE);
if (ret)
printf("Tricorder: Could not read EEPROM content!\n");
if (memcmp(&eeprom, &eeprom_verify, sizeof(eeprom)) != 0) { if (memcmp(&eeprom, &eeprom_verify, sizeof(eeprom)) != 0) {
printf("Tricorder: Could not verify EEPROM content!\n"); printf("Tricorder: Could not verify EEPROM content!\n");
ret = 1; ret = 1;
} }
#ifdef CONFIG_SYS_EEPROM_BUS_NUM
i2c_set_bus_num(bus);
#endif
return ret; return ret;
} }
@ -206,7 +189,7 @@ int do_tricorder_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{ {
if (argc == 3) { if (argc == 3) {
ulong dev_addr = simple_strtoul(argv[2], NULL, 16); ulong dev_addr = simple_strtoul(argv[2], NULL, 16);
eeprom_init();
if (strcmp(argv[1], "read") == 0) { if (strcmp(argv[1], "read") == 0) {
int rcode; int rcode;
@ -220,7 +203,6 @@ int do_tricorder_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
char *version = argv[4]; char *version = argv[4];
char *serial = argv[5]; char *serial = argv[5];
char *interface = NULL; char *interface = NULL;
eeprom_init();
if (argc == 7) if (argc == 7)
interface = argv[6]; interface = argv[6];