diff options
Diffstat (limited to 'arch/ia64/uv/kernel')
| -rw-r--r-- | arch/ia64/uv/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/ia64/uv/kernel/machvec.c | 11 | ||||
| -rw-r--r-- | arch/ia64/uv/kernel/setup.c | 34 |
3 files changed, 34 insertions, 12 deletions
diff --git a/arch/ia64/uv/kernel/Makefile b/arch/ia64/uv/kernel/Makefile index 124e441d383d..297196578d19 100644 --- a/arch/ia64/uv/kernel/Makefile +++ b/arch/ia64/uv/kernel/Makefile @@ -10,4 +10,3 @@ ccflags-y := -Iarch/ia64/sn/include obj-y += setup.o -obj-$(CONFIG_IA64_GENERIC) += machvec.o diff --git a/arch/ia64/uv/kernel/machvec.c b/arch/ia64/uv/kernel/machvec.c deleted file mode 100644 index 50737a9dca74..000000000000 --- a/arch/ia64/uv/kernel/machvec.c +++ /dev/null @@ -1,11 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. - */ - -#define MACHVEC_PLATFORM_NAME uv -#define MACHVEC_PLATFORM_HEADER <asm/machvec_uv.h> -#include <asm/machvec_init.h> diff --git a/arch/ia64/uv/kernel/setup.c b/arch/ia64/uv/kernel/setup.c index b081f5138f5c..bb025486d791 100644 --- a/arch/ia64/uv/kernel/setup.c +++ b/arch/ia64/uv/kernel/setup.c @@ -8,11 +8,17 @@ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. */ +#include <linux/acpi.h> +#include <linux/efi.h> #include <linux/module.h> #include <linux/percpu.h> +#include <asm/uv/uv.h> #include <asm/uv/uv_mmrs.h> #include <asm/uv/uv_hub.h> +bool ia64_is_uv; +EXPORT_SYMBOL_GPL(ia64_is_uv); + DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info); EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info); @@ -47,6 +53,34 @@ static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size) BUG(); } +void __init uv_probe_system_type(void) +{ + struct acpi_table_rsdp *rsdp; + struct acpi_table_xsdt *xsdt; + + if (efi.acpi20 == EFI_INVALID_TABLE_ADDR) { + pr_err("ACPI 2.0 RSDP not found.\n"); + return; + } + + rsdp = (struct acpi_table_rsdp *)__va(efi.acpi20); + if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) { + pr_err("ACPI 2.0 RSDP signature incorrect.\n"); + return; + } + + xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address); + if (strncmp(xsdt->header.signature, ACPI_SIG_XSDT, + sizeof(ACPI_SIG_XSDT) - 1)) { + pr_err("ACPI 2.0 XSDT signature incorrect.\n"); + return; + } + + if (!strcmp(xsdt->header.oem_id, "SGI") && + !strcmp(xsdt->header.oem_table_id + 4, "UV")) + ia64_is_uv = true; +} + void __init uv_setup(char **cmdline_p) { union uvh_si_addr_map_config_u m_n_config; |