[PATCH] tpm: Support new National TPMs
This patch is work to support new National TPMs that problems were reported
with on Thinkpad T43 and Thinkcentre S51. Thanks to Jens and Gang for
their debugging work on these issues.
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 10cb450..373b41f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -31,8 +31,8 @@
/* TPM addresses */
enum tpm_addr {
+ TPM_SUPERIO_ADDR = 0x2E,
TPM_ADDR = 0x4E,
- TPM_DATA = 0x4F
};
extern ssize_t tpm_show_pubek(struct device *, struct device_attribute *attr,
@@ -79,16 +79,16 @@
struct list_head list;
};
-static inline int tpm_read_index(int index)
+static inline int tpm_read_index(int base, int index)
{
- outb(index, TPM_ADDR);
- return inb(TPM_DATA) & 0xFF;
+ outb(index, base);
+ return inb(base+1) & 0xFF;
}
-static inline void tpm_write_index(int index, int value)
+static inline void tpm_write_index(int base, int index, int value)
{
- outb(index, TPM_ADDR);
- outb(value & 0xFF, TPM_DATA);
+ outb(index, base);
+ outb(value & 0xFF, base+1);
}
extern int tpm_register_hardware(struct pci_dev *,