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-rw-r--r--arch/x86/Kconfig.cpu4
-rw-r--r--arch/x86/kernel/cpu/Makefile1
-rw-r--r--arch/x86/kernel/cpu/nexgen.c59
-rw-r--r--arch/x86/mm/init_32.c6
-rw-r--r--include/asm-x86/processor.h1
5 files changed, 5 insertions, 66 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 57072f2716f9..4da3cdb9c1b1 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -21,8 +21,8 @@ config M386
21 21
22 Here are the settings recommended for greatest speed: 22 Here are the settings recommended for greatest speed:
23 - "386" for the AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI 23 - "386" for the AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI
24 486DLC/DLC2, UMC 486SX-S and NexGen Nx586. Only "386" kernels 24 486DLC/DLC2, and UMC 486SX-S. Only "386" kernels will run on a 386
25 will run on a 386 class machine. 25 class machine.
26 - "486" for the AMD/Cyrix/IBM/Intel 486DX/DX2/DX4 or 26 - "486" for the AMD/Cyrix/IBM/Intel 486DX/DX2/DX4 or
27 SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or U5S. 27 SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or U5S.
28 - "586" for generic Pentium CPUs lacking the TSC 28 - "586" for generic Pentium CPUs lacking the TSC
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index ee7c45235e54..a0c6f8190887 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_X86_32) += cyrix.o
11obj-$(CONFIG_X86_32) += centaur.o 11obj-$(CONFIG_X86_32) += centaur.o
12obj-$(CONFIG_X86_32) += transmeta.o 12obj-$(CONFIG_X86_32) += transmeta.o
13obj-$(CONFIG_X86_32) += intel.o 13obj-$(CONFIG_X86_32) += intel.o
14obj-$(CONFIG_X86_32) += nexgen.o
15obj-$(CONFIG_X86_32) += umc.o 14obj-$(CONFIG_X86_32) += umc.o
16 15
17obj-$(CONFIG_X86_MCE) += mcheck/ 16obj-$(CONFIG_X86_MCE) += mcheck/
diff --git a/arch/x86/kernel/cpu/nexgen.c b/arch/x86/kernel/cpu/nexgen.c
deleted file mode 100644
index 5d5e1c134123..000000000000
--- a/arch/x86/kernel/cpu/nexgen.c
+++ /dev/null
@@ -1,59 +0,0 @@
1#include <linux/kernel.h>
2#include <linux/init.h>
3#include <linux/string.h>
4#include <asm/processor.h>
5
6#include "cpu.h"
7
8/*
9 * Detect a NexGen CPU running without BIOS hypercode new enough
10 * to have CPUID. (Thanks to Herbert Oppmann)
11 */
12
13static int __cpuinit deep_magic_nexgen_probe(void)
14{
15 int ret;
16
17 __asm__ __volatile__ (
18 " movw $0x5555, %%ax\n"
19 " xorw %%dx,%%dx\n"
20 " movw $2, %%cx\n"
21 " divw %%cx\n"
22 " movl $0, %%eax\n"
23 " jnz 1f\n"
24 " movl $1, %%eax\n"
25 "1:\n"
26 : "=a" (ret) : : "cx", "dx");
27 return ret;
28}
29
30static void __cpuinit init_nexgen(struct cpuinfo_x86 *c)
31{
32 c->x86_cache_size = 256; /* A few had 1 MB... */
33}
34
35static void __cpuinit nexgen_identify(struct cpuinfo_x86 *c)
36{
37 /* Detect NexGen with old hypercode */
38 if (deep_magic_nexgen_probe())
39 strcpy(c->x86_vendor_id, "NexGenDriven");
40}
41
42static struct cpu_dev nexgen_cpu_dev __cpuinitdata = {
43 .c_vendor = "Nexgen",
44 .c_ident = { "NexGenDriven" },
45 .c_models = {
46 { .vendor = X86_VENDOR_NEXGEN,
47 .family = 5,
48 .model_names = { [1] = "Nx586" }
49 },
50 },
51 .c_init = init_nexgen,
52 .c_identify = nexgen_identify,
53};
54
55int __init nexgen_init_cpu(void)
56{
57 cpu_devs[X86_VENDOR_NEXGEN] = &nexgen_cpu_dev;
58 return 0;
59}
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index baf7c4f643c8..4a4761892951 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -566,9 +566,9 @@ void __init paging_init(void)
566 566
567/* 567/*
568 * Test if the WP bit works in supervisor mode. It isn't supported on 386's 568 * Test if the WP bit works in supervisor mode. It isn't supported on 386's
569 * and also on some strange 486's (NexGen etc.). All 586+'s are OK. This 569 * and also on some strange 486's. All 586+'s are OK. This used to involve
570 * used to involve black magic jumps to work around some nasty CPU bugs, 570 * black magic jumps to work around some nasty CPU bugs, but fortunately the
571 * but fortunately the switch to using exceptions got rid of all that. 571 * switch to using exceptions got rid of all that.
572 */ 572 */
573static void __init test_wp_bit(void) 573static void __init test_wp_bit(void)
574{ 574{
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index e6bf92ddeb21..117343b0c271 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -118,7 +118,6 @@ struct cpuinfo_x86 {
118#define X86_VENDOR_CYRIX 1 118#define X86_VENDOR_CYRIX 1
119#define X86_VENDOR_AMD 2 119#define X86_VENDOR_AMD 2
120#define X86_VENDOR_UMC 3 120#define X86_VENDOR_UMC 3
121#define X86_VENDOR_NEXGEN 4
122#define X86_VENDOR_CENTAUR 5 121#define X86_VENDOR_CENTAUR 5
123#define X86_VENDOR_TRANSMETA 7 122#define X86_VENDOR_TRANSMETA 7
124#define X86_VENDOR_NSC 8 123#define X86_VENDOR_NSC 8