diff options
Diffstat (limited to 'drivers/tpm/tpm_atmel_twi.c')
| -rw-r--r-- | drivers/tpm/tpm_atmel_twi.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/tpm/tpm_atmel_twi.c b/drivers/tpm/tpm_atmel_twi.c index 2dcc2af67f..fa4fbec6bb 100644 --- a/drivers/tpm/tpm_atmel_twi.c +++ b/drivers/tpm/tpm_atmel_twi.c @@ -52,7 +52,10 @@ static int tpm_atmel_twi_close(struct udevice *dev) */ static int tpm_atmel_twi_get_desc(struct udevice *dev, char *buf, int size) { - return 0; + if (size < 50) + return -ENOSPC; + + return snprintf(buf, size, "Atmel AT97SC3204T I2C 1.2 TPM (%s)", dev->name); } /* @@ -81,22 +84,15 @@ static int tpm_atmel_twi_xfer(struct udevice *dev, print_buffer(0, (void *)sendbuf, 1, send_size, 0); #endif -#if !CONFIG_IS_ENABLED(DM_I2C) - res = i2c_write(0x29, 0, 0, (uchar *)sendbuf, send_size); -#else res = dm_i2c_write(dev, 0, sendbuf, send_size); -#endif if (res) { printf("i2c_write returned %d\n", res); return -1; } start = get_timer(0); -#if !CONFIG_IS_ENABLED(DM_I2C) - while ((res = i2c_read(0x29, 0, 0, recvbuf, 10))) -#else + while ((res = dm_i2c_read(dev, 0, recvbuf, 10))) -#endif { /* TODO Use TIS_TIMEOUT from tpm_tis_infineon.h */ if (get_timer(start) > ATMEL_TPM_TIMEOUT_MS) { @@ -116,16 +112,11 @@ static int tpm_atmel_twi_xfer(struct udevice *dev, return -1; } else { *recv_len = hdr_recv_len; -#if !CONFIG_IS_ENABLED(DM_I2C) - res = i2c_read(0x29, 0, 0, recvbuf, *recv_len); -#else res = dm_i2c_read(dev, 0, recvbuf, *recv_len); -#endif - } } if (res) { - printf("i2c_read returned %d (rlen=%d)\n", res, *recv_len); + printf("i2c_read returned %d (rlen=%zu)\n", res, *recv_len); #ifdef DEBUG print_buffer(0, recvbuf, 1, *recv_len, 0); #endif @@ -143,6 +134,7 @@ static int tpm_atmel_twi_xfer(struct udevice *dev, static int tpm_atmel_twi_probe(struct udevice *dev) { + i2c_set_chip_offset_len(dev, 0); return 0; } |