diff options
Diffstat (limited to 'drivers/char/tpm/tpm_atmel.c')
| -rw-r--r-- | drivers/char/tpm/tpm_atmel.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index 13248400b9c3..61fe14a77124 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -22,8 +22,9 @@ #include "tpm.h" /* Atmel definitions */ -enum tpm_atmel_addr{ - TPM_ATML_BASE = 0x400 +enum tpm_atmel_addr { + TPM_ATMEL_BASE_ADDR_LO = 0x08, + TPM_ATMEL_BASE_ADDR_HI = 0x09 }; /* write status bits */ @@ -148,7 +149,6 @@ static struct tpm_vendor_specific tpm_atmel = { .req_complete_mask = ATML_STATUS_BUSY | ATML_STATUS_DATA_AVAIL, .req_complete_val = ATML_STATUS_DATA_AVAIL, .req_canceled = ATML_STATUS_READY, - .base = TPM_ATML_BASE, .attr_group = &atmel_attr_grp, .miscdev = { .fops = &atmel_ops, }, }; @@ -158,14 +158,16 @@ static int __devinit tpm_atml_init(struct pci_dev *pci_dev, { u8 version[4]; int rc = 0; + int lo, hi; if (pci_enable_device(pci_dev)) return -EIO; - if (tpm_lpc_bus_init(pci_dev, TPM_ATML_BASE)) { - rc = -ENODEV; - goto out_err; - } + lo = tpm_read_index( TPM_ATMEL_BASE_ADDR_LO ); + hi = tpm_read_index( TPM_ATMEL_BASE_ADDR_HI ); + + tpm_atmel.base = (hi<<8)|lo; + dev_dbg( &pci_dev->dev, "Operating with base: 0x%x\n", tpm_atmel.base); /* verify that it is an Atmel part */ if (tpm_read_index(4) != 'A' || tpm_read_index(5) != 'T' |
