erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Made changes that allow for one cpu to be plugged into a SMP board.

Browse source
This commit is contained in:
Tom Zimmerman 2003-10-03 15:46:08 +00:00
commit 8cdc0de093
4 changed files with 24 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/mainboard/tyan/s2466/mainboard.c
View file

@ -90,16 +90,23 @@ static void print_whami(void)
static void check_cpus(void)
{
struct pci_dev *dev;
u32 biu1;
u32 biu0,biu1;
/* Find out which processor I'm running on, and if it was the boot
* procesor so I can verify everything was setup correctly
*/
dev = pci_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C,0);
if (dev != NULL) {
pci_read_config_dword(dev, 0x60, &biu0);
if( !(biu0 & 0x80000000)) {
initial_apicid[0] = -1;
}
pci_read_config_dword(dev, 0x68, &biu1);
if( !(biu1 & 0x80000000)) {
initial_apicid[1] = -1;
}
printk_debug("biu0 = 0x%08lx, apicid[0] = %d\n", biu0,
initial_apicid[0]);
printk_debug("biu1 = 0x%08lx, apicid[1] = %d\n", biu1,
initial_apicid[1]);
}
@ -234,14 +241,6 @@ static void hide_devices(void)
void mainboard_cpu_fixup(int cpu)
{
if(cpu == 1) {
check_cpus();
if(initial_apicid[1] == -1) {
printk_err("Only one CPU installed. Linux Bios requires 2\n");
while(1); /* print error and spin */
return; /* no apic because no cpu */
}
}
/* This is an error, something is locked up */
full_reset();
}

6
src/mainboard/tyan/s2466/mptable.c
View file

@ -42,12 +42,16 @@ void *smp_write_config_table(void *v, unsigned long * processor_map)
smp_write_bus(mc, 1, "PCI ");
smp_write_bus(mc, 2, "PCI ");
smp_write_bus(mc, 3, "ISA ");
#if 0
for(i=apic=0;i<MAX_CPUS;i++)
if(processor_map[i])
apic++;
#endif
apic=2;
smp_write_ioapic(mc, apic, 0x11, 0xfec00000);
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
0x03, 0x00, apic, 0x00);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,

17
src/mainboard/tyan/s2469/mainboard.c
View file

@ -90,16 +90,23 @@ static void print_whami(void)
static void check_cpus(void)
{
struct pci_dev *dev;
u32 biu1;
u32 biu0, biu1;
/* Find out which processor I'm running on, and if it was the boot
* procesor so I can verify everything was setup correctly
*/
dev = pci_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C,0);
if (dev != NULL) {
pci_read_config_dword(dev, 0x60, &biu0);
if( !(biu0 & 0x80000000)) {
initial_apicid[0] = -1;
}
pci_read_config_dword(dev, 0x68, &biu1);
if( !(biu1 & 0x80000000)) {
initial_apicid[1] = -1;
}
printk_debug("biu0 = 0x%08lx, apicid[0] = %d\n", biu0,
initial_apicid[0]);
printk_debug("biu1 = 0x%08lx, apicid[1] = %d\n", biu1,
initial_apicid[1]);
}
@ -234,14 +241,6 @@ static void hide_devices(void)
void mainboard_cpu_fixup(int cpu)
{
if(cpu == 1) {
check_cpus();
if(initial_apicid[1] == -1) {
printk_err("Only one CPU installed, Linux Bios requires 2\n");
while(1); /* print error and spin */
return; /* no apic because no cpu */
}
}
/* This is an error, something is locked up */
full_reset();
}

4
src/mainboard/tyan/s2469/mptable.c
View file

@ -42,10 +42,12 @@ void *smp_write_config_table(void *v, unsigned long * processor_map)
smp_write_bus(mc, 1, "PCI ");
smp_write_bus(mc, 2, "PCI ");
smp_write_bus(mc, 3, "ISA ");
#if 0
for(i=apic=0;i<MAX_CPUS;i++)
if(processor_map[i])
apic++;
#endif
apic=2;
smp_write_ioapic(mc, apic, 0x11, 0xfec00000);