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x86, platforms: Remove NUMAQ

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The NUMAQ support seems to be unmaintained, remove it.

Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: David Rientjes <rientjes@google.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/n/530CFD6C.7040705@zytor.com
This commit is contained in:
H. Peter Anvin
2014-02-25 12:14:06 -08:00
parent c5f9ee3d66
commit b5660ba76b
11 changed files with 9 additions and 908 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
arch/x86/Kconfig
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@@ -346,7 +346,6 @@ config X86_EXTENDED_PLATFORM
for the following (non-PC) 32 bit x86 platforms:
Goldfish (Android emulator)
AMD Elan
NUMAQ (IBM/Sequent)
RDC R-321x SoC
SGI 320/540 (Visual Workstation)
STA2X11-based (e.g. Northville)
@@ -487,32 +486,18 @@ config X86_32_NON_STANDARD
depends on X86_32 && SMP
depends on X86_EXTENDED_PLATFORM
---help---
This option compiles in the NUMAQ, bigsmp, and STA2X11 default
subarchitectures. It is intended for a generic binary kernel. If you
select them all, kernel will probe it one by one and will fallback to
default.
This option compiles in the bigsmp and STA2X11 default
subarchitectures. It is intended for a generic binary
kernel. If you select them all, kernel will probe it one by
one and will fallback to default.
# Alphabetically sorted list of Non standard 32 bit platforms
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
depends on X86_32_NON_STANDARD
depends on PCI
select NUMA
select X86_MPPARSE
---help---
This option is used for getting Linux to run on a NUMAQ (IBM/Sequent)
NUMA multiquad box. This changes the way that processors are
bootstrapped, and uses Clustered Logical APIC addressing mode instead
of Flat Logical. You will need a new lynxer.elf file to flash your
firmware with - send email to <Martin.Bligh@us.ibm.com>.
config X86_SUPPORTS_MEMORY_FAILURE
def_bool y
# MCE code calls memory_failure():
depends on X86_MCE
# On 32-bit this adds too big of NODES_SHIFT and we run out of page flags:
depends on !X86_NUMAQ
# On 32-bit SPARSEMEM adds too big of SECTIONS_WIDTH:
depends on X86_64 || !SPARSEMEM
select ARCH_SUPPORTS_MEMORY_FAILURE
@@ -783,7 +768,7 @@ config NR_CPUS
range 2 8192 if SMP && !MAXSMP && CPUMASK_OFFSTACK && X86_64
default "1" if !SMP
default "8192" if MAXSMP
default "32" if SMP && (X86_NUMAQ || X86_BIGSMP)
default "32" if SMP && X86_BIGSMP
default "8" if SMP
---help---
This allows you to specify the maximum number of CPUs which this
@@ -1064,13 +1049,11 @@ config X86_CPUID
choice
prompt "High Memory Support"
default HIGHMEM64G if X86_NUMAQ
default HIGHMEM4G
depends on X86_32
config NOHIGHMEM
bool "off"
depends on !X86_NUMAQ
---help---
Linux can use up to 64 Gigabytes of physical memory on x86 systems.
However, the address space of 32-bit x86 processors is only 4
@@ -1107,7 +1090,6 @@ config NOHIGHMEM
config HIGHMEM4G
bool "4GB"
depends on !X86_NUMAQ
---help---
Select this if you have a 32-bit processor and between 1 and 4
gigabytes of physical RAM.
@@ -1199,8 +1181,8 @@ config DIRECT_GBPAGES
config NUMA
bool "Numa Memory Allocation and Scheduler Support"
depends on SMP
depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP))
default y if (X86_NUMAQ || X86_BIGSMP)
depends on X86_64 || (X86_32 && HIGHMEM64G && X86_BIGSMP)
default y if X86_BIGSMP
---help---
Enable NUMA (Non Uniform Memory Access) support.
@@ -1211,8 +1193,7 @@ config NUMA
For 64-bit this is recommended if the system is Intel Core i7
(or later), AMD Opteron, or EM64T NUMA.
For 32-bit this is only needed on (rare) 32-bit-only platforms
that support NUMA topologies, such as NUMAQ, or if you boot a 32-bit
For 32-bit this is only needed if you boot a 32-bit
kernel on a 64-bit NUMA platform.
Otherwise, you should say N.
@@ -1258,7 +1239,6 @@ config NODES_SHIFT
range 1 10
default "10" if MAXSMP
default "6" if X86_64
default "4" if X86_NUMAQ
default "3"
depends on NEED_MULTIPLE_NODES
---help---

2
arch/x86/Kconfig.cpu
View File

@@ -363,7 +363,7 @@ config X86_P6_NOP
config X86_TSC
def_bool y
depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2 || MATOM) && !X86_NUMAQ) || X86_64
depends on (MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2 || MATOM) || X86_64
config X86_CMPXCHG64
def_bool y

3
arch/x86/include/asm/mmzone_32.h
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@@ -11,9 +11,6 @@
#ifdef CONFIG_NUMA
extern struct pglist_data *node_data[];
#define NODE_DATA(nid) (node_data[nid])
#include <asm/numaq.h>
#endif /* CONFIG_NUMA */
#ifdef CONFIG_DISCONTIGMEM

6
arch/x86/include/asm/mpspec.h
View File

@@ -25,12 +25,6 @@ extern int pic_mode;
extern unsigned int def_to_bigsmp;
#ifdef CONFIG_X86_NUMAQ
extern int mp_bus_id_to_node[MAX_MP_BUSSES];
extern int mp_bus_id_to_local[MAX_MP_BUSSES];
extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#endif
#else /* CONFIG_X86_64: */
#define MAX_MP_BUSSES 256

171
arch/x86/include/asm/numaq.h
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@@ -1,171 +0,0 @@
/*
* Written by: Patricia Gaughen, IBM Corporation
*
* Copyright (C) 2002, IBM Corp.
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Send feedback to <gone@us.ibm.com>
*/
#ifndef _ASM_X86_NUMAQ_H
#define _ASM_X86_NUMAQ_H
#ifdef CONFIG_X86_NUMAQ
extern int found_numaq;
extern int numaq_numa_init(void);
extern int pci_numaq_init(void);
extern void *xquad_portio;
#define XQUAD_PORTIO_BASE 0xfe400000
#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
/*
* SYS_CFG_DATA_PRIV_ADDR, struct eachquadmem, and struct sys_cfg_data are the
*/
#define SYS_CFG_DATA_PRIV_ADDR 0x0009d000 /* place for scd in private
quad space */
/*
* Communication area for each processor on lynxer-processor tests.
*
* NOTE: If you change the size of this eachproc structure you need
* to change the definition for EACH_QUAD_SIZE.
*/
struct eachquadmem {
unsigned int priv_mem_start; /* Starting address of this */
/* quad's private memory. */
/* This is always 0. */
/* In MB. */
unsigned int priv_mem_size; /* Size of this quad's */
/* private memory. */
/* In MB. */
unsigned int low_shrd_mem_strp_start;/* Starting address of this */
/* quad's low shared block */
/* (untranslated). */
/* In MB. */
unsigned int low_shrd_mem_start; /* Starting address of this */
/* quad's low shared memory */
/* (untranslated). */
/* In MB. */
unsigned int low_shrd_mem_size; /* Size of this quad's low */
/* shared memory. */
/* In MB. */
unsigned int lmmio_copb_start; /* Starting address of this */
/* quad's local memory */
/* mapped I/O in the */
/* compatibility OPB. */
/* In MB. */
unsigned int lmmio_copb_size; /* Size of this quad's local */
/* memory mapped I/O in the */
/* compatibility OPB. */
/* In MB. */
unsigned int lmmio_nopb_start; /* Starting address of this */
/* quad's local memory */
/* mapped I/O in the */
/* non-compatibility OPB. */
/* In MB. */
unsigned int lmmio_nopb_size; /* Size of this quad's local */
/* memory mapped I/O in the */
/* non-compatibility OPB. */
/* In MB. */
unsigned int io_apic_0_start; /* Starting address of I/O */
/* APIC 0. */
unsigned int io_apic_0_sz; /* Size I/O APIC 0. */
unsigned int io_apic_1_start; /* Starting address of I/O */
/* APIC 1. */
unsigned int io_apic_1_sz; /* Size I/O APIC 1. */
unsigned int hi_shrd_mem_start; /* Starting address of this */
/* quad's high shared memory.*/
/* In MB. */
unsigned int hi_shrd_mem_size; /* Size of this quad's high */
/* shared memory. */
/* In MB. */
unsigned int mps_table_addr; /* Address of this quad's */
/* MPS tables from BIOS, */
/* in system space.*/
unsigned int lcl_MDC_pio_addr; /* Port-I/O address for */
/* local access of MDC. */
unsigned int rmt_MDC_mmpio_addr; /* MM-Port-I/O address for */
/* remote access of MDC. */
unsigned int mm_port_io_start; /* Starting address of this */
/* quad's memory mapped Port */
/* I/O space. */
unsigned int mm_port_io_size; /* Size of this quad's memory*/
/* mapped Port I/O space. */
unsigned int mm_rmt_io_apic_start; /* Starting address of this */
/* quad's memory mapped */
/* remote I/O APIC space. */
unsigned int mm_rmt_io_apic_size; /* Size of this quad's memory*/
/* mapped remote I/O APIC */
/* space. */
unsigned int mm_isa_start; /* Starting address of this */
/* quad's memory mapped ISA */
/* space (contains MDC */
/* memory space). */
unsigned int mm_isa_size; /* Size of this quad's memory*/
/* mapped ISA space (contains*/
/* MDC memory space). */
unsigned int rmt_qmi_addr; /* Remote addr to access QMI.*/
unsigned int lcl_qmi_addr; /* Local addr to access QMI. */
};
/*
* Note: This structure must be NOT be changed unless the multiproc and
* OS are changed to reflect the new structure.
*/
struct sys_cfg_data {
unsigned int quad_id;
unsigned int bsp_proc_id; /* Boot Strap Processor in this quad. */
unsigned int scd_version; /* Version number of this table. */
unsigned int first_quad_id;
unsigned int quads_present31_0; /* 1 bit for each quad */
unsigned int quads_present63_32; /* 1 bit for each quad */
unsigned int config_flags;
unsigned int boot_flags;
unsigned int csr_start_addr; /* Absolute value (not in MB) */
unsigned int csr_size; /* Absolute value (not in MB) */
unsigned int lcl_apic_start_addr; /* Absolute value (not in MB) */
unsigned int lcl_apic_size; /* Absolute value (not in MB) */
unsigned int low_shrd_mem_base; /* 0 or 512MB or 1GB */
unsigned int low_shrd_mem_quad_offset; /* 0,128M,256M,512M,1G */
/* may not be totally populated */
unsigned int split_mem_enbl; /* 0 for no low shared memory */
unsigned int mmio_sz; /* Size of total system memory mapped I/O */
/* (in MB). */
unsigned int quad_spin_lock; /* Spare location used for quad */
/* bringup. */
unsigned int nonzero55; /* For checksumming. */
unsigned int nonzeroaa; /* For checksumming. */
unsigned int scd_magic_number;
unsigned int system_type;
unsigned int checksum;
/*
* memory configuration area for each quad
*/
struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */
};
void numaq_tsc_disable(void);
#endif /* CONFIG_X86_NUMAQ */
#endif /* _ASM_X86_NUMAQ_H */

1
arch/x86/kernel/apic/Makefile
View File

@@ -18,7 +18,6 @@ obj-y += apic_flat_64.o
endif
# APIC probe will depend on the listing order here
obj-$(CONFIG_X86_NUMAQ) += numaq_32.o
obj-$(CONFIG_X86_BIGSMP) += bigsmp_32.o
# For 32bit, probe_32 need to be listed last

524
arch/x86/kernel/apic/numaq_32.c
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File diff suppressed because it is too large Load Diff

4
arch/x86/kernel/cpu/intel.c
View File

@@ -267,10 +267,6 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
}
#endif
#ifdef CONFIG_X86_NUMAQ
numaq_tsc_disable();
#endif
intel_smp_check(c);
}
#else

4
arch/x86/mm/numa.c
View File

@@ -687,10 +687,6 @@ static int __init dummy_numa_init(void)
void __init x86_numa_init(void)
{
if (!numa_off) {
#ifdef CONFIG_X86_NUMAQ
if (!numa_init(numaq_numa_init))
return;
#endif
#ifdef CONFIG_ACPI_NUMA
if (!numa_init(x86_acpi_numa_init))
return;

1
arch/x86/pci/Makefile
View File

@@ -13,7 +13,6 @@ obj-y += legacy.o irq.o
obj-$(CONFIG_STA2X11) += sta2x11-fixup.o
obj-$(CONFIG_X86_NUMAQ) += numaq_32.o
obj-$(CONFIG_X86_NUMACHIP) += numachip.o
obj-$(CONFIG_X86_INTEL_MID) += intel_mid_pci.o

165
arch/x86/pci/numaq_32.c
View File

@@ -1,165 +0,0 @@
/*
* numaq_32.c - Low-level PCI access for NUMA-Q machines
*/
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/nodemask.h>
#include <asm/apic.h>
#include <asm/mpspec.h>
#include <asm/pci_x86.h>
#include <asm/numaq.h>
#define BUS2QUAD(global) (mp_bus_id_to_node[global])
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
#define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \
(0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3))
static void write_cf8(unsigned bus, unsigned devfn, unsigned reg)
{
unsigned val = PCI_CONF1_MQ_ADDRESS(bus, devfn, reg);
if (xquad_portio)
writel(val, XQUAD_PORT_ADDR(0xcf8, BUS2QUAD(bus)));
else
outl(val, 0xCF8);
}
static int pci_conf1_mq_read(unsigned int seg, unsigned int bus,
unsigned int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus));
WARN_ON(seg);
if (!value || (bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
return -EINVAL;
raw_spin_lock_irqsave(&pci_config_lock, flags);
write_cf8(bus, devfn, reg);
switch (len) {
case 1:
if (xquad_portio)
*value = readb(adr + (reg & 3));
else
*value = inb(0xCFC + (reg & 3));
break;
case 2:
if (xquad_portio)
*value = readw(adr + (reg & 2));
else
*value = inw(0xCFC + (reg & 2));
break;
case 4:
if (xquad_portio)
*value = readl(adr);
else
*value = inl(0xCFC);
break;
}
raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return 0;
}
static int pci_conf1_mq_write(unsigned int seg, unsigned int bus,
unsigned int devfn, int reg, int len, u32 value)
{
unsigned long flags;
void *adr __iomem = XQUAD_PORT_ADDR(0xcfc, BUS2QUAD(bus));
WARN_ON(seg);
if ((bus >= MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
return -EINVAL;
raw_spin_lock_irqsave(&pci_config_lock, flags);
write_cf8(bus, devfn, reg);
switch (len) {
case 1:
if (xquad_portio)
writeb(value, adr + (reg & 3));
else
outb((u8)value, 0xCFC + (reg & 3));
break;
case 2:
if (xquad_portio)
writew(value, adr + (reg & 2));
else
outw((u16)value, 0xCFC + (reg & 2));
break;
case 4:
if (xquad_portio)
writel(value, adr + reg);
else
outl((u32)value, 0xCFC);
break;
}
raw_spin_unlock_irqrestore(&pci_config_lock, flags);
return 0;
}
#undef PCI_CONF1_MQ_ADDRESS
static const struct pci_raw_ops pci_direct_conf1_mq = {
.read = pci_conf1_mq_read,
.write = pci_conf1_mq_write
};
static void pci_fixup_i450nx(struct pci_dev *d)
{
/*
* i450NX -- Find and scan all secondary buses on all PXB's.
*/
int pxb, reg;
u8 busno, suba, subb;
int quad = BUS2QUAD(d->bus->number);
dev_info(&d->dev, "searching for i450NX host bridges\n");
reg = 0xd0;
for(pxb=0; pxb<2; pxb++) {
pci_read_config_byte(d, reg++, &busno);
pci_read_config_byte(d, reg++, &suba);
pci_read_config_byte(d, reg++, &subb);
dev_dbg(&d->dev, "i450NX PXB %d: %02x/%02x/%02x\n",
pxb, busno, suba, subb);
if (busno) {
/* Bus A */
pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, busno));
}
if (suba < subb) {
/* Bus B */
pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, suba+1));
}
}
pcibios_last_bus = -1;
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, pci_fixup_i450nx);
int __init pci_numaq_init(void)
{
int quad;
raw_pci_ops = &pci_direct_conf1_mq;
pcibios_scan_root(0);
if (num_online_nodes() > 1)
for_each_online_node(quad) {
if (quad == 0)
continue;
printk("Scanning PCI bus %d for quad %d\n",
QUADLOCAL2BUS(quad,0), quad);
pci_scan_bus_with_sysdata(QUADLOCAL2BUS(quad, 0));
}
return 0;
}