for S2735 support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1708 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
parent
e99433157b
commit
2560dbdd50
|
@ -1,4 +1,5 @@
|
||||||
dir /cpu/x86/tsc
|
uses CONFIG_UDELAY_TSC
|
||||||
|
|
||||||
dir /cpu/x86/mtrr
|
dir /cpu/x86/mtrr
|
||||||
dir /cpu/x86/fpu
|
dir /cpu/x86/fpu
|
||||||
dir /cpu/x86/mmx
|
dir /cpu/x86/mmx
|
||||||
|
@ -8,3 +9,9 @@ dir /cpu/x86/cache
|
||||||
dir /cpu/intel/microcode
|
dir /cpu/intel/microcode
|
||||||
dir /cpu/intel/hyperthreading
|
dir /cpu/intel/hyperthreading
|
||||||
driver model_f2x_init.o
|
driver model_f2x_init.o
|
||||||
|
|
||||||
|
if CONFIG_UDELAY_TSC
|
||||||
|
dir /cpu/x86/tsc
|
||||||
|
else
|
||||||
|
object apic_timer.o
|
||||||
|
end
|
||||||
|
|
|
@ -0,0 +1,26 @@
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <delay.h>
|
||||||
|
#include <cpu/x86/msr.h>
|
||||||
|
#include <cpu/x86/lapic.h>
|
||||||
|
|
||||||
|
void init_timer(void)
|
||||||
|
{
|
||||||
|
/* Set the apic timer to no interrupts and periodic mode */
|
||||||
|
lapic_write(LAPIC_LVTT, (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0));
|
||||||
|
/* Set the divider to 1, no divider */
|
||||||
|
lapic_write(LAPIC_TDCR, LAPIC_TDR_DIV_1);
|
||||||
|
/* Set the initial counter to 0xffffffff */
|
||||||
|
lapic_write(LAPIC_TMICT, 0xffffffff);
|
||||||
|
}
|
||||||
|
|
||||||
|
void udelay(unsigned usecs)
|
||||||
|
{
|
||||||
|
uint32_t start, value, ticks;
|
||||||
|
/* Calculate the number of ticks to run, our FSB runs a 200Mhz */
|
||||||
|
ticks = usecs * 200;
|
||||||
|
start = lapic_read(LAPIC_TMCCT);
|
||||||
|
do {
|
||||||
|
value = lapic_read(LAPIC_TMCCT);
|
||||||
|
} while((start - value) < ticks);
|
||||||
|
|
||||||
|
}
|
|
@ -14,7 +14,7 @@
|
||||||
#include "ram/ramtest.c"
|
#include "ram/ramtest.c"
|
||||||
#include "southbridge/intel/i82801er/i82801er_early_smbus.c"
|
#include "southbridge/intel/i82801er/i82801er_early_smbus.c"
|
||||||
#include "northbridge/intel/e7501/raminit.h"
|
#include "northbridge/intel/e7501/raminit.h"
|
||||||
#include "cpu/amd/model_fxx/apic_timer.c"
|
#include "cpu/intel/model_f2x/apic_timer.c"
|
||||||
#include "lib/delay.c"
|
#include "lib/delay.c"
|
||||||
#include "cpu/x86/lapic/boot_cpu.c"
|
#include "cpu/x86/lapic/boot_cpu.c"
|
||||||
#include "northbridge/intel/e7501/debug.c"
|
#include "northbridge/intel/e7501/debug.c"
|
||||||
|
|
Loading…
Reference in New Issue