*/
static const struct pci_device_id pci_tbl[] = {
/* AA
- { 0x8086, 0x2418, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
- { 0x8086, 0x2410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* AA */
+ { PCI_DEVICE(0x8086, 0x2418) }, */
+ { PCI_DEVICE(0x8086, 0x2410) }, /* AA */
/* AB
- { 0x8086, 0x2428, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
- { 0x8086, 0x2420, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* AB */
+ { PCI_DEVICE(0x8086, 0x2428) }, */
+ { PCI_DEVICE(0x8086, 0x2420) }, /* AB */
/* ??
- { 0x8086, 0x2430, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
+ { PCI_DEVICE(0x8086, 0x2430) }, */
/* BAM, CAM, DBM, FBM, GxM
- { 0x8086, 0x2448, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
- { 0x8086, 0x244c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* BAM */
- { 0x8086, 0x248c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CAM */
- { 0x8086, 0x24cc, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* DBM */
- { 0x8086, 0x2641, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* FBM */
- { 0x8086, 0x27b9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* GxM */
- { 0x8086, 0x27bd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* GxM DH */
+ { PCI_DEVICE(0x8086, 0x2448) }, */
+ { PCI_DEVICE(0x8086, 0x244c) }, /* BAM */
+ { PCI_DEVICE(0x8086, 0x248c) }, /* CAM */
+ { PCI_DEVICE(0x8086, 0x24cc) }, /* DBM */
+ { PCI_DEVICE(0x8086, 0x2641) }, /* FBM */
+ { PCI_DEVICE(0x8086, 0x27b9) }, /* GxM */
+ { PCI_DEVICE(0x8086, 0x27bd) }, /* GxM DH */
/* BA, CA, DB, Ex, 6300, Fx, 631x/632x, Gx
- { 0x8086, 0x244e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
- { 0x8086, 0x2440, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* BA */
- { 0x8086, 0x2480, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CA */
- { 0x8086, 0x24c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* DB */
- { 0x8086, 0x24d0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* Ex */
- { 0x8086, 0x25a1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 6300 */
- { 0x8086, 0x2640, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* Fx */
- { 0x8086, 0x2670, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2671, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2672, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2673, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2674, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2675, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2676, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2677, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2678, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x2679, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x267f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* 631x/632x */
- { 0x8086, 0x27b8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* Gx */
+ { PCI_DEVICE(0x8086, 0x244e) }, */
+ { PCI_DEVICE(0x8086, 0x2440) }, /* BA */
+ { PCI_DEVICE(0x8086, 0x2480) }, /* CA */
+ { PCI_DEVICE(0x8086, 0x24c0) }, /* DB */
+ { PCI_DEVICE(0x8086, 0x24d0) }, /* Ex */
+ { PCI_DEVICE(0x8086, 0x25a1) }, /* 6300 */
+ { PCI_DEVICE(0x8086, 0x2640) }, /* Fx */
+ { PCI_DEVICE(0x8086, 0x2670) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2671) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2672) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2673) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2674) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2675) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2676) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2677) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2678) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x2679) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267a) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267b) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267c) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267d) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267e) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x267f) }, /* 631x/632x */
+ { PCI_DEVICE(0x8086, 0x27b8) }, /* Gx */
/* E
- { 0x8086, 0x245e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, */
- { 0x8086, 0x2450, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* E */
+ { PCI_DEVICE(0x8086, 0x245e) }, */
+ { PCI_DEVICE(0x8086, 0x2450) }, /* E */
{ 0, }, /* terminate list */
};
MODULE_DEVICE_TABLE(pci, pci_tbl);
+static __initdata int no_fwh_detect;
+module_param(no_fwh_detect, int, 0);
+MODULE_PARM_DESC(no_fwh_detect, "Skip FWH detection:\n"
+ " positive value - skip if FWH space locked read-only\n"
+ " negative value - skip always");
static inline u8 hwstatus_get(void __iomem *mem)
{
if (!dev)
goto out; /* Device not found. */
+ if (no_fwh_detect < 0) {
+ pci_dev_put(dev);
+ goto fwh_done;
+ }
+
/* Check for Intel 82802 */
if (dev->device < 0x2640) {
fwh_dec_en1_off = FWH_DEC_EN1_REG_OLD;
pci_read_config_byte(dev, fwh_dec_en1_off, &fwh_dec_en1_val);
pci_read_config_byte(dev, bios_cntl_off, &bios_cntl_val);
+ if ((bios_cntl_val &
+ (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK))
+ == BIOS_CNTL_LOCK_ENABLE_MASK) {
+ static __initdata /*const*/ char warning[] =
+ KERN_WARNING PFX "Firmware space is locked read-only. If you can't or\n"
+ KERN_WARNING PFX "don't want to disable this in firmware setup, and if\n"
+ KERN_WARNING PFX "you are certain that your system has a functional\n"
+ KERN_WARNING PFX "RNG, try using the 'no_fwh_detect' option.\n";
+
+ pci_dev_put(dev);
+ if (no_fwh_detect)
+ goto fwh_done;
+ printk(warning);
+ err = -EBUSY;
+ goto out;
+ }
+
mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN);
if (mem == NULL) {
pci_dev_put(dev);
pci_write_config_byte(dev,
fwh_dec_en1_off,
fwh_dec_en1_val | FWH_F8_EN_MASK);
- if (!(bios_cntl_val &
- (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)))
+ if (!(bios_cntl_val & BIOS_CNTL_WRITE_ENABLE_MASK))
pci_write_config_byte(dev,
bios_cntl_off,
bios_cntl_val | BIOS_CNTL_WRITE_ENABLE_MASK);
goto out;
}
+fwh_done:
+
err = -ENOMEM;
mem = ioremap(INTEL_RNG_ADDR, INTEL_RNG_ADDR_LEN);
if (!mem)
iounmap(mem);
}
-subsys_initcall(mod_init);
+module_init(mod_init);
module_exit(mod_exit);
MODULE_DESCRIPTION("H/W RNG driver for Intel chipsets");