Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[powerpc.git] / drivers / char / tpm / tpm_nsc.c
index 37bea14..b412734 100644 (file)
 #include "tpm.h"
 
 /* National definitions */
-enum tpm_nsc_addr {
-       TPM_NSC_BASE = 0x360,
-       TPM_NSC_IRQ = 0x07
+enum tpm_nsc_addr{
+       TPM_NSC_IRQ = 0x07,
+       TPM_NSC_BASE0_HI = 0x60,
+       TPM_NSC_BASE0_LO = 0x61,
+       TPM_NSC_BASE1_HI = 0x62,
+       TPM_NSC_BASE1_LO = 0x63
 };
 
 enum tpm_nsc_index {
@@ -44,7 +47,7 @@ enum tpm_nsc_status_loc {
 };
 
 /* status bits */
-enum tpm_nsc_status{
+enum tpm_nsc_status {
        NSC_STATUS_OBF = 0x01,  /* output buffer full */
        NSC_STATUS_IBF = 0x02,  /* input buffer full */
        NSC_STATUS_F0 = 0x04,   /* F0 */
@@ -52,6 +55,7 @@ enum tpm_nsc_status{
        NSC_STATUS_RDY = 0x10,  /* ready to receive command */
        NSC_STATUS_IBR = 0x20   /* ready to receive data */
 };
+
 /* command bits */
 enum tpm_nsc_cmd_mode {
        NSC_COMMAND_NORMAL = 0x01,      /* normal mode */
@@ -146,7 +150,8 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
                *p = inb(chip->vendor->base + NSC_DATA);
        }
 
-       if ((data & NSC_STATUS_F0) == 0) {
+       if ((data & NSC_STATUS_F0) == 0 &&
+       (wait_for_stat(chip, NSC_STATUS_F0, NSC_STATUS_F0, &data) < 0)) {
                dev_err(&chip->pci_dev->dev, "F0 not set\n");
                return -EIO;
        }
@@ -246,7 +251,6 @@ static struct tpm_vendor_specific tpm_nsc = {
        .req_complete_mask = NSC_STATUS_OBF,
        .req_complete_val = NSC_STATUS_OBF,
        .req_canceled = NSC_STATUS_RDY,
-       .base = TPM_NSC_BASE,
        .attr_group = &nsc_attr_grp,
        .miscdev = { .fops = &nsc_ops, },
 };
@@ -255,85 +259,65 @@ static int __devinit tpm_nsc_init(struct pci_dev *pci_dev,
                                  const struct pci_device_id *pci_id)
 {
        int rc = 0;
+       int lo, hi;
+       int nscAddrBase = TPM_ADDR;
+
 
        if (pci_enable_device(pci_dev))
                return -EIO;
 
-       if (tpm_lpc_bus_init(pci_dev, TPM_NSC_BASE)) {
-               rc = -ENODEV;
-               goto out_err;
-       }
+       /* select PM channel 1 */
+       tpm_write_index(nscAddrBase,NSC_LDN_INDEX, 0x12);
 
        /* verify that it is a National part (SID) */
-       if (tpm_read_index(NSC_SID_INDEX) != 0xEF) {
-               rc = -ENODEV;
-               goto out_err;
+       if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) {
+               nscAddrBase = (tpm_read_index(TPM_SUPERIO_ADDR, 0x2C)<<8)|
+                       (tpm_read_index(TPM_SUPERIO_ADDR, 0x2B)&0xFE);
+               if (tpm_read_index(nscAddrBase, NSC_SID_INDEX) != 0xF6) {
+                       rc = -ENODEV;
+                       goto out_err;
+               }
        }
 
+       hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
+       lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
+       tpm_nsc.base = (hi<<8) | lo;
+
        dev_dbg(&pci_dev->dev, "NSC TPM detected\n");
        dev_dbg(&pci_dev->dev,
                "NSC LDN 0x%x, SID 0x%x, SRID 0x%x\n",
-               tpm_read_index(0x07), tpm_read_index(0x20),
-               tpm_read_index(0x27));
+               tpm_read_index(nscAddrBase,0x07), tpm_read_index(nscAddrBase,0x20),
+               tpm_read_index(nscAddrBase,0x27));
        dev_dbg(&pci_dev->dev,
                "NSC SIOCF1 0x%x SIOCF5 0x%x SIOCF6 0x%x SIOCF8 0x%x\n",
-               tpm_read_index(0x21), tpm_read_index(0x25),
-               tpm_read_index(0x26), tpm_read_index(0x28));
+               tpm_read_index(nscAddrBase,0x21), tpm_read_index(nscAddrBase,0x25),
+               tpm_read_index(nscAddrBase,0x26), tpm_read_index(nscAddrBase,0x28));
        dev_dbg(&pci_dev->dev, "NSC IO Base0 0x%x\n",
-               (tpm_read_index(0x60) << 8) | tpm_read_index(0x61));
+               (tpm_read_index(nscAddrBase,0x60) << 8) | tpm_read_index(nscAddrBase,0x61));
        dev_dbg(&pci_dev->dev, "NSC IO Base1 0x%x\n",
-               (tpm_read_index(0x62) << 8) | tpm_read_index(0x63));
+               (tpm_read_index(nscAddrBase,0x62) << 8) | tpm_read_index(nscAddrBase,0x63));
        dev_dbg(&pci_dev->dev, "NSC Interrupt number and wakeup 0x%x\n",
-               tpm_read_index(0x70));
+               tpm_read_index(nscAddrBase,0x70));
        dev_dbg(&pci_dev->dev, "NSC IRQ type select 0x%x\n",
-               tpm_read_index(0x71));
+               tpm_read_index(nscAddrBase,0x71));
        dev_dbg(&pci_dev->dev,
                "NSC DMA channel select0 0x%x, select1 0x%x\n",
-               tpm_read_index(0x74), tpm_read_index(0x75));
+               tpm_read_index(nscAddrBase,0x74), tpm_read_index(nscAddrBase,0x75));
        dev_dbg(&pci_dev->dev,
                "NSC Config "
                "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
-               tpm_read_index(0xF0), tpm_read_index(0xF1),
-               tpm_read_index(0xF2), tpm_read_index(0xF3),
-               tpm_read_index(0xF4), tpm_read_index(0xF5),
-               tpm_read_index(0xF6), tpm_read_index(0xF7),
-               tpm_read_index(0xF8), tpm_read_index(0xF9));
+               tpm_read_index(nscAddrBase,0xF0), tpm_read_index(nscAddrBase,0xF1),
+               tpm_read_index(nscAddrBase,0xF2), tpm_read_index(nscAddrBase,0xF3),
+               tpm_read_index(nscAddrBase,0xF4), tpm_read_index(nscAddrBase,0xF5),
+               tpm_read_index(nscAddrBase,0xF6), tpm_read_index(nscAddrBase,0xF7),
+               tpm_read_index(nscAddrBase,0xF8), tpm_read_index(nscAddrBase,0xF9));
 
        dev_info(&pci_dev->dev,
-                "NSC PC21100 TPM revision %d\n",
-                tpm_read_index(0x27) & 0x1F);
-
-       if (tpm_read_index(NSC_LDC_INDEX) == 0)
-               dev_info(&pci_dev->dev, ": NSC TPM not active\n");
-
-       /* select PM channel 1 */
-       tpm_write_index(NSC_LDN_INDEX, 0x12);
-       tpm_read_index(NSC_LDN_INDEX);
-
-       /* disable the DPM module */
-       tpm_write_index(NSC_LDC_INDEX, 0);
-       tpm_read_index(NSC_LDC_INDEX);
-
-       /* set the data register base addresses */
-       tpm_write_index(NSC_DIO_INDEX, TPM_NSC_BASE >> 8);
-       tpm_write_index(NSC_DIO_INDEX + 1, TPM_NSC_BASE);
-       tpm_read_index(NSC_DIO_INDEX);
-       tpm_read_index(NSC_DIO_INDEX + 1);
-
-       /* set the command register base addresses */
-       tpm_write_index(NSC_CIO_INDEX, (TPM_NSC_BASE + 1) >> 8);
-       tpm_write_index(NSC_CIO_INDEX + 1, (TPM_NSC_BASE + 1));
-       tpm_read_index(NSC_DIO_INDEX);
-       tpm_read_index(NSC_DIO_INDEX + 1);
-
-       /* set the interrupt number to be used for the host interface */
-       tpm_write_index(NSC_IRQ_INDEX, TPM_NSC_IRQ);
-       tpm_write_index(NSC_ITS_INDEX, 0x00);
-       tpm_read_index(NSC_IRQ_INDEX);
+                "NSC TPM revision %d\n",
+                tpm_read_index(nscAddrBase, 0x27) & 0x1F);
 
        /* enable the DPM module */
-       tpm_write_index(NSC_LDC_INDEX, 0x01);
-       tpm_read_index(NSC_LDC_INDEX);
+       tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01);
 
        if ((rc = tpm_register_hardware(pci_dev, &tpm_nsc)) < 0)
                goto out_err;
@@ -351,6 +335,9 @@ static struct pci_device_id tpm_pci_tbl[] __devinitdata = {
        {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0)},
        {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12)},
        {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0)},
+       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0)},
+       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1)},
+       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0)},
        {PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_LPC)},
        {0,}
 };