diff options
Diffstat (limited to 'test/tpm_test/ftdi_spi_tpm.c')
| -rw-r--r-- | test/tpm_test/ftdi_spi_tpm.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/tpm_test/ftdi_spi_tpm.c b/test/tpm_test/ftdi_spi_tpm.c index 69b6cf57da..43ca83e3aa 100644 --- a/test/tpm_test/ftdi_spi_tpm.c +++ b/test/tpm_test/ftdi_spi_tpm.c @@ -25,6 +25,7 @@ static int ftdi_trace_enabled; #define TPM_DATA_FIFO_REG (TPM_LOCALITY_0_SPI_BASE + 0x24) #define TPM_DID_VID_REG (TPM_LOCALITY_0_SPI_BASE + 0xf00) #define TPM_RID_REG (TPM_LOCALITY_0_SPI_BASE + 0xf04) +#define TPM_FW_VER (TPM_LOCALITY_0_SPI_BASE + 0xf90) static struct swig_string_data empty_string_data = (struct swig_string_data){ .size = 0, .data = NULL @@ -203,6 +204,35 @@ static uint32_t GetBurstCount(void) return (status >> burstCountShift) & burstCountMask; } +static void GetVersion(void) +{ + int chunk_count = 0; + uint32_t chunk = 0; + char vstr[sizeof(chunk) + 1]; /* room for 4 chars + zero */ + + /* + * Does not really matter what's written, this just makes sure + * the version is reported from the beginning. + */ + FtdiWriteReg(TPM_FW_VER, sizeof(chunk), &chunk); + + /* Print it out in 4 byte chunks. */ + vstr[sizeof(vstr) - 1] = 0; + do { + FtdiReadReg(TPM_FW_VER, sizeof(chunk), vstr); + printf("%s", vstr); + + /* + * While string is not over, and no more than 200 + * characters. + * This is likely result in one extra printk() + * invocation with an empty string, not a big deal. + */ + } while (vstr[0] && (chunk_count++ < (200 / sizeof(chunk)))); + + printf("\n"); +} + int FtdiSpiInit(uint32_t freq, int enable_debug) { uint32_t did_vid, status; @@ -271,6 +301,8 @@ int FtdiSpiInit(uint32_t freq, int enable_debug) printf("Connected to device vid:did:rid of %4.4x:%4.4x:%2.2x\n", did_vid & 0xffff, did_vid >> 16, cmd); + GetVersion(); + return true; } |