This patch adds support for the Geode LX processor, including CPU
identification, config options, and PCI IDs. Please apply against
linux-2.4.15-rc2-mm2.
Signed off by: Jordan Crouse ([email protected])
Index: linux-2.6.14-rc2-mm2/arch/i386/Kconfig
===================================================================
--- linux-2.6.14-rc2-mm2.orig/arch/i386/Kconfig
+++ linux-2.6.14-rc2-mm2/arch/i386/Kconfig
@@ -189,7 +189,7 @@ config M386
- "Pentium-4" for the Intel Pentium 4 or P4-based Celeron.
- "K6" for the AMD K6, K6-II and K6-III (aka K6-3D).
- "Athlon" for the AMD K7 family (Athlon/Duron/Thunderbird).
- - "Geode GX" for AMD Geode GX processors
+ - "Geode GX/LX" for AMD Geode GX and LX processors
- "Crusoe" for the Transmeta Crusoe series.
- "Efficeon" for the Transmeta Efficeon series.
- "Winchip-C6" for original IDT Winchip.
@@ -291,8 +291,17 @@ config MK8
config MGEODE_GX
bool "Geode GX"
help
- Select this for AMD Geode GX processors. Enables use of some extended
- instructions, and passes appropriate optimization flags to GCC.
+ Select this for AMD Geode GX and LX processors.
+ Enables use of some extended instructions, and
+ passes appropriate optimization flags to GCC.
+
+config MGEODE_LX
+ bool "Geode LX"
+ help
+ Select this for AMD Geode LX processors.
+ Enables use of some extended instructions, allows
+ you to use various on-chip devices, and passes appropriate
+ optimization flags to GCC.
config MCRUSOE
bool "Crusoe"
@@ -384,7 +393,7 @@ config X86_L1_CACHE_SHIFT
int
default "7" if MPENTIUM4 || X86_GENERIC
default "4" if X86_ELAN || M486 || M386
- default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODEGX1 || MGEODE_GX
+ default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODEGX1 || MGEODE_GX || MGEODE_LX
default "6" if MK7 || MK8 || MPENTIUMM
config RWSEM_GENERIC_SPINLOCK
@@ -453,12 +462,12 @@ config X86_INTEL_USERCOPY
config X86_USE_PPRO_CHECKSUM
bool
- depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_GX
+ depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_GX || MGEODE_LX
default y
config X86_USE_3DNOW
bool
- depends on MCYRIXIII || MK7 || MGEODE_GX
+ depends on MCYRIXIII || MK7 || MGEODE_GX || MGEODE_LX
default y
config X86_OOSTORE
@@ -539,7 +548,7 @@ source "kernel/Kconfig.preempt"
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on !SMP && !(X86_VISWS || X86_VOYAGER || MGEODE_GX)
+ depends on !SMP && !(X86_VISWS || X86_VOYAGER || MGEODE_GX || MGEODE_LX)
help
A local APIC (Advanced Programmable Interrupt Controller) is an
integrated interrupt controller in the CPU. If you have a single-CPU
@@ -756,7 +765,7 @@ config HIGHMEM4G
config HIGHMEM64G
bool "64GB"
- depends on !MGEODE_GX
+ depends on !MGEODE_GX && !MGEODE_LX
help
Select this if you have a 32-bit processor and more than 4
gigabytes of physical RAM.
Index: linux-2.6.14-rc2-mm2/arch/i386/kernel/cpu/amd.c
===================================================================
--- linux-2.6.14-rc2-mm2.orig/arch/i386/kernel/cpu/amd.c
+++ linux-2.6.14-rc2-mm2/arch/i386/kernel/cpu/amd.c
@@ -145,6 +145,13 @@ static void __init init_amd(struct cpuin
set_bit(X86_FEATURE_K6_MTRR, c->x86_capability);
break;
}
+
+ if ( c->x86_model == 10 ) {
+ /* AMD Geode LX is model 10 */
+ /* placeholder for any needed mods */
+ break;
+ }
+
break;
case 6: /* An Athlon/Duron */
Index: linux-2.6.14-rc2-mm2/include/asm-i386/module.h
===================================================================
--- linux-2.6.14-rc2-mm2.orig/include/asm-i386/module.h
+++ linux-2.6.14-rc2-mm2/include/asm-i386/module.h
@@ -38,6 +38,8 @@ struct mod_arch_specific
#define MODULE_PROC_FAMILY "K8 "
#elif defined CONFIG_MGEODE_GX
#define MODULE_PROC_FAMILY "GEODE_GX "
+#elif defined CONFIG_MGEODE_LX
+#define MODULE_PROC_FAMILY "GEODE_GX "
#elif defined CONFIG_X86_ELAN
#define MODULE_PROC_FAMILY "ELAN "
#elif defined CONFIG_MCRUSOE
Index: linux-2.6.14-rc2-mm2/include/linux/pci_ids.h
===================================================================
--- linux-2.6.14-rc2-mm2.orig/include/linux/pci_ids.h
+++ linux-2.6.14-rc2-mm2/include/linux/pci_ids.h
@@ -546,6 +546,9 @@
#define PCI_DEVICE_ID_AMD_8151_0 0x7454
#define PCI_DEVICE_ID_AMD_8131_APIC 0x7450
+#define PCI_DEVICE_ID_AMD_LX_VIDEO 0x2081
+#define PCI_DEVICE_ID_AMD_LX_AES 0x2082
+
#define PCI_VENDOR_ID_TRIDENT 0x1023
#define PCI_DEVICE_ID_TRIDENT_4DWAVE_DX 0x2000
#define PCI_DEVICE_ID_TRIDENT_4DWAVE_NX 0x2001
-
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