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With this change, we get all the way to stage 2 and this output, at

Browse source 
which point we hang:
Show all devs...
root(Root Device): enabled 1 have_resources 0 initialized 0
cpus: Unknown device path type: 0
cpus(): enabled 1 have_resources 0 initialized 0
apic_0(APIC: 00): enabled 1 have_resources 0 initialized 0
pci_1_0(PCI: 00:01.0): enabled 1 have_resources 0 initialized 0
pci_0_0(PCI: 00:00.0): enabled 1 have_resources 0 initialized 0
pci_4_0(PCI: 00:04.0): enabled 1 have_resources 0 initialized 0
pci_5_0(PCI: 00:05.0): enabled 1 have_resources 0 initialized 0
pci_18_0(PCI: 00:18.0): enabled 1 have_resources 0 initialized 0
ioport_2e(IOPORT: 2e): enabled 1 have_resources 0 initialized 0
domain_0(PCI_DOMAIN: 0000): enabled 1 have_resources 0 initialized 0
Phase 6: Initializing devices...
Phase 6: Root Device init.
Phase 6: PCI: 00:04.0 init.

The dts is quite incomplete and that is part of the problem. Doubtless 
there are other problems :-)

But training is indeed working in simnow, and memory is working, and we 
can return from disable_car as on the geode. 

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://coreboot.org/repository/coreboot-v3@855 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Ronald G. Minnich 2008-09-02 15:25:06 +00:00
commit 72be710b4b
1 changed files with 8 additions and 0 deletions
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8
arch/x86/amd/k8/stage1.c
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@ -38,8 +38,16 @@ void disable_car(void)
* the data back over itself, and the wbinvd should then
* flush to memory. Let's see.
*/
/* nope.
__asm__ __volatile__("cld; rep movsl" ::"D" (CONFIG_CARBASE), "S" (CONFIG_CARBASE), "c" (CONFIG_CARSIZE/4): "memory");
*/
/* call the inlined function */
disable_cache_as_ram();
/* copy it down, wbinvd, copy it back? */
__asm__ __volatile__("cld; rep movsl" ::"D" (0x88000), "S" (CONFIG_CARBASE), "c" (CONFIG_CARSIZE/4): "memory");
__asm__ __volatile__ ("wbinvd\n");
__asm__ __volatile__("cld; rep movsl" ::"D" (CONFIG_CARBASE), "S" (0x88000), "c" (CONFIG_CARSIZE/4): "memory");
banner(BIOS_DEBUG, "Disable_car: done wbinvd");
banner(BIOS_DEBUG, "disable_car: done");
}