diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig.cpu | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/nexgen.c | 59 | ||||
| -rw-r--r-- | arch/x86/mm/init_32.c | 6 |
4 files changed, 5 insertions, 65 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 Here are the settings recommended for greatest speed: - "386" for the AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI - 486DLC/DLC2, UMC 486SX-S and NexGen Nx586. Only "386" kernels - will run on a 386 class machine. + 486DLC/DLC2, and UMC 486SX-S. Only "386" kernels will run on a 386 + class machine. - "486" for the AMD/Cyrix/IBM/Intel 486DX/DX2/DX4 or SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or U5S. - "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-$(CONFIG_X86_32) += cyrix.o obj-$(CONFIG_X86_32) += centaur.o obj-$(CONFIG_X86_32) += transmeta.o obj-$(CONFIG_X86_32) += intel.o -obj-$(CONFIG_X86_32) += nexgen.o obj-$(CONFIG_X86_32) += umc.o obj-$(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 @@ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <asm/processor.h> - -#include "cpu.h" - -/* - * Detect a NexGen CPU running without BIOS hypercode new enough - * to have CPUID. (Thanks to Herbert Oppmann) - */ - -static int __cpuinit deep_magic_nexgen_probe(void) -{ - int ret; - - __asm__ __volatile__ ( - " movw $0x5555, %%ax\n" - " xorw %%dx,%%dx\n" - " movw $2, %%cx\n" - " divw %%cx\n" - " movl $0, %%eax\n" - " jnz 1f\n" - " movl $1, %%eax\n" - "1:\n" - : "=a" (ret) : : "cx", "dx"); - return ret; -} - -static void __cpuinit init_nexgen(struct cpuinfo_x86 *c) -{ - c->x86_cache_size = 256; /* A few had 1 MB... */ -} - -static void __cpuinit nexgen_identify(struct cpuinfo_x86 *c) -{ - /* Detect NexGen with old hypercode */ - if (deep_magic_nexgen_probe()) - strcpy(c->x86_vendor_id, "NexGenDriven"); -} - -static struct cpu_dev nexgen_cpu_dev __cpuinitdata = { - .c_vendor = "Nexgen", - .c_ident = { "NexGenDriven" }, - .c_models = { - { .vendor = X86_VENDOR_NEXGEN, - .family = 5, - .model_names = { [1] = "Nx586" } - }, - }, - .c_init = init_nexgen, - .c_identify = nexgen_identify, -}; - -int __init nexgen_init_cpu(void) -{ - cpu_devs[X86_VENDOR_NEXGEN] = &nexgen_cpu_dev; - return 0; -} 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) /* * Test if the WP bit works in supervisor mode. It isn't supported on 386's - * and also on some strange 486's (NexGen etc.). All 586+'s are OK. This - * used to involve black magic jumps to work around some nasty CPU bugs, - * but fortunately the switch to using exceptions got rid of all that. + * and also on some strange 486's. All 586+'s are OK. This used to involve + * black magic jumps to work around some nasty CPU bugs, but fortunately the + * switch to using exceptions got rid of all that. */ static void __init test_wp_bit(void) { |