GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

to give ollie a look. 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2276 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2006-04-25 19:40:20 +00:00
parent 5ee2bbb90c
commit 1c2f49e74a
2 changed files with 35 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/southbridge/amd/cs5536/chip.h
View File

@ -4,7 +4,10 @@
extern struct chip_operations southbridge_amd_cs5536_ops;
struct southbridge_amd_cs5536_config {
int none;
/* interrupt enable for LPC bus */
int lpc_serirq_enable; /* how to enable, e.g. 0x80 */
int lpc_irq; /* what to enable, e.g. 0x18 */
int enable_gpio0_inta; /* almost always will be true */
};
#endif /* _SOUTHBRIDGE_AMD_CS5536 */

32
src/southbridge/amd/cs5536/cs5536.c
View File

@ -15,7 +15,37 @@ static void southbridge_init(struct device *dev)
static void southbridge_enable(struct device *dev)
{
struct southbridge_amd_cs5536_config *sb = (struct southbridge_amd_cs5536_config *)dev->chip_info;
msr_t msr;
struct device *gpiodev;
unsigned short gpiobase = MDD_GPIO;
printk_err("%s: dev is %p\n", __FUNCTION__, dev);
if (chip_info->lpc_serirq_enable) {
msr.lo = chip_info->lpc_serirq_enable;
msr.hi = 0;
wrmsr(MDD_LPC_SIRQ, msr);
}
if (chip_info->lpc_irq) {
msr.lo = chip_info->lpc_irq;
msr.hi = 0;
wrmsr(MDD_IRQM_LPC, msr);
}
if (chip_info->enable_gpio0_inta){
rdmsr(MDD_IRQM_ZHIGH, msr);
msr.lo |= 0x10;
wrmsr(MDD_IRQM_ZHIGH, msr);
/* todo: look the device up. But we know that gpiobase is 0x6100 */
/* oh gosh, all the defines from AMD assume 6100. Don't bother looking up! */
outl(GPIOL_0_SET|GPIOL_1_SET|GPIOL_3_SET, GPIOL_INPUT_ENABLE);
outl(GPIOL_0_SET,GPIOL_EVENTS_ENABLE);
/* magic stuff */
outl(0x3081, GPIOL_INPUT_INVERT_ENABLE);
outl(GPIOL_0_SET, GPIO_MAPPER_X);
}
}
static void cs5536_pci_dev_enable_resources(device_t dev)
@ -34,7 +64,7 @@ static struct device_operations southbridge_ops = {
.scan_bus = scan_static_bus,
};
static struct pci_driver cs5535_pci_driver __pci_driver = {
static struct pci_driver cs5536_pci_driver __pci_driver = {
.ops = &southbridge_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_CS5536_ISA