static int __init init_hrt_clocksource(void)
{
if (!scx200_cb_present())
return -ENODEV;
if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
SCx200_TIMER_SIZE,
"NatSemi SCx200 High-Resolution Timer")) {
printk(KERN_WARNING NAME ": unable to lock timer region\n");
return -ENODEV;
}
outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
scx200_cb_base + SCx200_TMCNFG_OFFSET);
if (mhz27) {
cs_hrt.shift = HRT_SHIFT_27;
cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27,
cs_hrt.shift);
} else {
cs_hrt.shift = HRT_SHIFT_1;
cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm,
cs_hrt.shift);
}
printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n",
mhz27 ? "27":"1", ppm);
return clocksource_register(&cs_hrt);
}
static int __init init_hrt_clocksource(void)
{
/* Make sure scx200 has initialized the configuration block */
if (!scx200_cb_present())
return -ENODEV;
/* Reserve the timer's ISA io-region for ourselves */
if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
SCx200_TIMER_SIZE,
"NatSemi SCx200 High-Resolution Timer")) {
;
return -ENODEV;
}
/* write timer config */
outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
scx200_cb_base + SCx200_TMCNFG_OFFSET);
if (mhz27) {
cs_hrt.shift = HRT_SHIFT_27;
cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27,
cs_hrt.shift);
} else {
cs_hrt.shift = HRT_SHIFT_1;
cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm,
cs_hrt.shift);
}
// printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n",
;
return clocksource_register(&cs_hrt);
}
static int __init init_hrt_clocksource(void)
{
u32 freq;
if (!scx200_cb_present())
return -ENODEV;
if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET,
SCx200_TIMER_SIZE,
"NatSemi SCx200 High-Resolution Timer")) {
pr_warn("unable to lock timer region\n");
return -ENODEV;
}
outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0),
scx200_cb_base + SCx200_TMCNFG_OFFSET);
freq = (HRT_FREQ + ppm);
if (mhz27)
freq *= 27;
pr_info("enabling scx200 high-res timer (%s MHz +%d ppm)\n", mhz27 ? "27":"1", ppm);
return clocksource_register_hz(&cs_hrt, freq);
}
static int __init init_scx200_docflash(void)
{
unsigned u;
unsigned base;
unsigned ctrl;
unsigned pmr;
struct pci_dev *bridge;
printk(KERN_DEBUG NAME ": NatSemi SCx200 DOCCS Flash Driver\n");
if ((bridge = pci_get_device(PCI_VENDOR_ID_NS,
PCI_DEVICE_ID_NS_SCx200_BRIDGE,
NULL)) == NULL)
return -ENODEV;
/* */
if (!scx200_cb_present()) {
pci_dev_put(bridge);
return -ENODEV;
}
if (probe) {
/* */
pci_read_config_dword(bridge, SCx200_DOCCS_BASE, &base);
pci_read_config_dword(bridge, SCx200_DOCCS_CTRL, &ctrl);
pci_dev_put(bridge);
pmr = inl(scx200_cb_base + SCx200_PMR);
if (base == 0
|| (ctrl & 0x07000000) != 0x07000000
|| (ctrl & 0x0007ffff) == 0)
return -ENODEV;
size = ((ctrl&0x1fff)<<13) + (1<<13);
for (u = size; u > 1; u >>= 1)
;
if (u != 1)
return -ENODEV;
if (pmr & (1<<6))
width = 16;
else
width = 8;
docmem.start = base;
docmem.end = base + size;
if (request_resource(&iomem_resource, &docmem)) {
printk(KERN_ERR NAME ": unable to allocate memory for flash mapping\n");
return -ENOMEM;
}
} else {