diff options
author | Stefan Reinauer <stepan@openbios.org> | 2005-12-01 11:01:01 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2005-12-01 11:01:01 +0000 |
commit | f5183cfa19ea4d235ac9e1206c8510c8c83ace0e (patch) | |
tree | a5d408e2f57eeea14a64edab0a25de587e9835aa /src/include/cpu/amd/model_fxx_rev.h | |
parent | 806e146e754a44f96c693cde707065b14f80d8a2 (diff) |
Applying YhLu's patch from issue 37.
a. apic id liftting to way that kernel like and let bsp
to stay with 0
b. hw memhole: solve if hole_startk == some node
basek
This, together with the previous one will break most of
the tree, but Yinghai Lu is really good
at fixing things, so...
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2116 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/cpu/amd/model_fxx_rev.h')
-rw-r--r-- | src/include/cpu/amd/model_fxx_rev.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/include/cpu/amd/model_fxx_rev.h b/src/include/cpu/amd/model_fxx_rev.h new file mode 100644 index 0000000000..4c2a7ce940 --- /dev/null +++ b/src/include/cpu/amd/model_fxx_rev.h @@ -0,0 +1,78 @@ +#include <arch/cpu.h> + +static inline int is_cpu_rev_a0(void) +{ + return (cpuid_eax(1) & 0xfffef) == 0x0f00; +} +static inline int is_cpu_pre_c0(void) +{ + return (cpuid_eax(1) & 0xfffef) < 0x0f48; +} + +static inline int is_cpu_c0(void) +{ + return (cpuid_eax(1) & 0xfffef) == 0x0f48; +} + +static inline int is_cpu_pre_b3(void) +{ + return (cpuid_eax(1) & 0xfffef) < 0x0f41; +} + +static inline int is_cpu_b3(void) +{ + return (cpuid_eax(1) & 0xfffef) == 0x0f41; +} +//AMD_D0_SUPPORT +static inline int is_cpu_pre_d0(void) +{ + return (cpuid_eax(1) & 0xfff0f) < 0x10f00; +} + +static inline int is_cpu_d0(void) +{ + return (cpuid_eax(1) & 0xfff0f) == 0x10f00; +} + +//AMD_E0_SUPPORT +static inline int is_cpu_pre_e0(void) +{ + return (cpuid_eax(1) & 0xfff0f) < 0x20f00; +} + +static inline int is_cpu_e0(void) +{ + return (cpuid_eax(1) & 0xfff00) == 0x20f00; +} + + +#ifdef __ROMCC__ +static int is_e0_later_in_bsp(int nodeid) +{ + uint32_t val; + uint32_t val_old; + int e0_later; + if(nodeid==0) { // we don't need to do that for node 0 in core0/node0 + return !is_cpu_pre_e0(); + } + // d0 will be treated as e0 with this methods, but the d0 nb_cfg_54 always 0 + device_t dev; + dev = PCI_DEV(0, 0x18+nodeid,2); + val_old = pci_read_config32(dev, 0x80); + val = val_old; + val |= (1<<3); + pci_write_config32(dev, 0x80, val); + val = pci_read_config32(dev, 0x80); + e0_later = !!(val & (1<<3)); + if(e0_later) { // pre_e0 bit 3 always be 0 and can not be changed + pci_write_config32(dev, 0x80, val_old); // restore it + } + + return e0_later; +} +#else +int is_e0_later_in_bsp(int nodeid); //defined model_fxx_init.c +#endif + + + |