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-rw-r--r--arch/frv/include/asm/processor.h1
-rw-r--r--arch/x86/Kconfig10
-rw-r--r--arch/x86/include/asm/mca.h43
-rw-r--r--arch/x86/include/asm/mca_dma.h201
-rw-r--r--arch/x86/include/asm/mpspec.h2
-rw-r--r--arch/x86/include/asm/mpspec_def.h3
-rw-r--r--arch/x86/kernel/Makefile1
-rw-r--r--arch/x86/kernel/acpi/boot.c2
-rw-r--r--arch/x86/kernel/apic/io_apic.c17
-rw-r--r--arch/x86/kernel/mca_32.c476
-rw-r--r--arch/x86/kernel/mpparse.c11
-rw-r--r--arch/x86/kernel/nmi.c12
-rw-r--r--arch/x86/kernel/setup.c8
-rw-r--r--arch/x86/kernel/time.c6
-rw-r--r--arch/x86/kernel/traps.c4
15 files changed, 9 insertions, 788 deletions
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index 81c2e271d620..4a53811cd4cd 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -54,7 +54,6 @@ extern struct cpuinfo_frv __nongprelbss boot_cpu_data;
* Bus types
*/
#define EISA_bus 0
-#define MCA_bus 0
struct thread_struct {
struct pt_regs *frame; /* [GR28] exception frame ptr for this thread */
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c9866b0b77d8..9137057152c3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2023,16 +2023,6 @@ config EISA
source "drivers/eisa/Kconfig"
-config MCA
- bool "MCA support"
- ---help---
- MicroChannel Architecture is found in some IBM PS/2 machines and
- laptops. It is a bus system similar to PCI or ISA. See
- <file:Documentation/mca.txt> (and especially the web page given
- there) before attempting to build an MCA bus kernel.
-
-source "drivers/mca/Kconfig"
-
config SCx200
tristate "NatSemi SCx200 support"
---help---
diff --git a/arch/x86/include/asm/mca.h b/arch/x86/include/asm/mca.h
deleted file mode 100644
index eedbb6cc1efb..000000000000
--- a/arch/x86/include/asm/mca.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8 -*- */
-
-/* Platform specific MCA defines */
-#ifndef _ASM_X86_MCA_H
-#define _ASM_X86_MCA_H
-
-/* Maximal number of MCA slots - actually, some machines have less, but
- * they all have sufficient number of POS registers to cover 8.
- */
-#define MCA_MAX_SLOT_NR 8
-
-/* Most machines have only one MCA bus. The only multiple bus machines
- * I know have at most two */
-#define MAX_MCA_BUSSES 2
-
-#define MCA_PRIMARY_BUS 0
-#define MCA_SECONDARY_BUS 1
-
-/* Dummy slot numbers on primary MCA for integrated functions */
-#define MCA_INTEGSCSI (MCA_MAX_SLOT_NR)
-#define MCA_INTEGVIDEO (MCA_MAX_SLOT_NR+1)
-#define MCA_MOTHERBOARD (MCA_MAX_SLOT_NR+2)
-
-/* Dummy POS values for integrated functions */
-#define MCA_DUMMY_POS_START 0x10000
-#define MCA_INTEGSCSI_POS (MCA_DUMMY_POS_START+1)
-#define MCA_INTEGVIDEO_POS (MCA_DUMMY_POS_START+2)
-#define MCA_MOTHERBOARD_POS (MCA_DUMMY_POS_START+3)
-
-/* MCA registers */
-
-#define MCA_MOTHERBOARD_SETUP_REG 0x94
-#define MCA_ADAPTER_SETUP_REG 0x96
-#define MCA_POS_REG(n) (0x100+(n))
-
-#define MCA_ENABLED 0x01 /* POS 2, set if adapter enabled */
-
-/* Max number of adapters, including both slots and various integrated
- * things.
- */
-#define MCA_NUMADAPTERS (MCA_MAX_SLOT_NR+3)
-
-#endif /* _ASM_X86_MCA_H */
diff --git a/arch/x86/include/asm/mca_dma.h b/arch/x86/include/asm/mca_dma.h
deleted file mode 100644
index 45271aef82dd..000000000000
--- a/arch/x86/include/asm/mca_dma.h
+++ /dev/null
@@ -1,201 +0,0 @@
-#ifndef _ASM_X86_MCA_DMA_H
-#define _ASM_X86_MCA_DMA_H
-
-#include <asm/io.h>
-#include <linux/ioport.h>
-
-/*
- * Microchannel specific DMA stuff. DMA on an MCA machine is fairly similar to
- * standard PC dma, but it certainly has its quirks. DMA register addresses
- * are in a different place and there are some added functions. Most of this
- * should be pretty obvious on inspection. Note that the user must divide
- * count by 2 when using 16-bit dma; that is not handled by these functions.
- *
- * Ramen Noodles are yummy.
- *
- * 1998 Tymm Twillman <tymm@computer.org>
- */
-
-/*
- * Registers that are used by the DMA controller; FN is the function register
- * (tell the controller what to do) and EXE is the execution register (how
- * to do it)
- */
-
-#define MCA_DMA_REG_FN 0x18
-#define MCA_DMA_REG_EXE 0x1A
-
-/*
- * Functions that the DMA controller can do
- */
-
-#define MCA_DMA_FN_SET_IO 0x00
-#define MCA_DMA_FN_SET_ADDR 0x20
-#define MCA_DMA_FN_GET_ADDR 0x30
-#define MCA_DMA_FN_SET_COUNT 0x40
-#define MCA_DMA_FN_GET_COUNT 0x50
-#define MCA_DMA_FN_GET_STATUS 0x60
-#define MCA_DMA_FN_SET_MODE 0x70
-#define MCA_DMA_FN_SET_ARBUS 0x80
-#define MCA_DMA_FN_MASK 0x90
-#define MCA_DMA_FN_RESET_MASK 0xA0
-#define MCA_DMA_FN_MASTER_CLEAR 0xD0
-
-/*
- * Modes (used by setting MCA_DMA_FN_MODE in the function register)
- *
- * Note that the MODE_READ is read from memory (write to device), and
- * MODE_WRITE is vice-versa.
- */
-
-#define MCA_DMA_MODE_XFER 0x04 /* read by default */
-#define MCA_DMA_MODE_READ 0x04 /* same as XFER */
-#define MCA_DMA_MODE_WRITE 0x08 /* OR with MODE_XFER to use */
-#define MCA_DMA_MODE_IO 0x01 /* DMA from IO register */
-#define MCA_DMA_MODE_16 0x40 /* 16 bit xfers */
-
-
-/**
- * mca_enable_dma - channel to enable DMA on
- * @dmanr: DMA channel
- *
- * Enable the MCA bus DMA on a channel. This can be called from
- * IRQ context.
- */
-
-static inline void mca_enable_dma(unsigned int dmanr)
-{
- outb(MCA_DMA_FN_RESET_MASK | dmanr, MCA_DMA_REG_FN);
-}
-
-/**
- * mca_disble_dma - channel to disable DMA on
- * @dmanr: DMA channel
- *
- * Enable the MCA bus DMA on a channel. This can be called from
- * IRQ context.
- */
-
-static inline void mca_disable_dma(unsigned int dmanr)
-{
- outb(MCA_DMA_FN_MASK | dmanr, MCA_DMA_REG_FN);
-}
-
-/**
- * mca_set_dma_addr - load a 24bit DMA address
- * @dmanr: DMA channel
- * @a: 24bit bus address
- *
- * Load the address register in the DMA controller. This has a 24bit
- * limitation (16Mb).
- */
-
-static inline void mca_set_dma_addr(unsigned int dmanr, unsigned int a)
-{
- outb(MCA_DMA_FN_SET_ADDR | dmanr, MCA_DMA_REG_FN);
- outb(a & 0xff, MCA_DMA_REG_EXE);
- outb((a >> 8) & 0xff, MCA_DMA_REG_EXE);
- outb((a >> 16) & 0xff, MCA_DMA_REG_EXE);
-}
-
-/**
- * mca_get_dma_addr - load a 24bit DMA address
- * @dmanr: DMA channel
- *
- * Read the address register in the DMA controller. This has a 24bit
- * limitation (16Mb). The return is a bus address.
- */
-
-static inline unsigned int mca_get_dma_addr(unsigned int dmanr)
-{
- unsigned int addr;
-
- outb(MCA_DMA_FN_GET_ADDR | dmanr, MCA_DMA_REG_FN);
- addr = inb(MCA_DMA_REG_EXE);
- addr |= inb(MCA_DMA_REG_EXE) << 8;
- addr |= inb(MCA_DMA_REG_EXE) << 16;
-
- return addr;
-}
-
-/**
- * mca_set_dma_count - load a 16bit transfer count
- * @dmanr: DMA channel
- * @count: count
- *
- * Set the DMA count for this channel. This can be up to 64Kbytes.
- * Setting a count of zero will not do what you expect.
- */
-
-static inline void mca_set_dma_count(unsigned int dmanr, unsigned int count)
-{
- count--; /* transfers one more than count -- correct for this */
-
- outb(MCA_DMA_FN_SET_COUNT | dmanr, MCA_DMA_REG_FN);
- outb(count & 0xff, MCA_DMA_REG_EXE);
- outb((count >> 8) & 0xff, MCA_DMA_REG_EXE);
-}
-
-/**
- * mca_get_dma_residue - get the remaining bytes to transfer
- * @dmanr: DMA channel
- *
- * This function returns the number of bytes left to transfer
- * on this DMA channel.
- */
-
-static inline unsigned int mca_get_dma_residue(unsigned int dmanr)
-{
- unsigned short count;
-
- outb(MCA_DMA_FN_GET_COUNT | dmanr, MCA_DMA_REG_FN);
- count = 1 + inb(MCA_DMA_REG_EXE);
- count += inb(MCA_DMA_REG_EXE) << 8;
-
- return count;
-}
-
-/**
- * mca_set_dma_io - set the port for an I/O transfer
- * @dmanr: DMA channel
- * @io_addr: an I/O port number
- *
- * Unlike the ISA bus DMA controllers the DMA on MCA bus can transfer
- * with an I/O port target.
- */
-
-static inline void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr)
-{
- /*
- * DMA from a port address -- set the io address
- */
-
- outb(MCA_DMA_FN_SET_IO | dmanr, MCA_DMA_REG_FN);
- outb(io_addr & 0xff, MCA_DMA_REG_EXE);
- outb((io_addr >> 8) & 0xff, MCA_DMA_REG_EXE);
-}
-
-/**
- * mca_set_dma_mode - set the DMA mode
- * @dmanr: DMA channel
- * @mode: mode to set
- *
- * The DMA controller supports several modes. The mode values you can
- * set are-
- *
- * %MCA_DMA_MODE_READ when reading from the DMA device.
- *
- * %MCA_DMA_MODE_WRITE to writing to the DMA device.
- *
- * %MCA_DMA_MODE_IO to do DMA to or from an I/O port.
- *
- * %MCA_DMA_MODE_16 to do 16bit transfers.
- */
-
-static inline void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
-{
- outb(MCA_DMA_FN_SET_MODE | dmanr, MCA_DMA_REG_FN);
- outb(mode, MCA_DMA_REG_EXE);
-}
-
-#endif /* _ASM_X86_MCA_DMA_H */
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 9c7d95f6174b..3e2f42a4b872 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -40,7 +40,7 @@ extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#endif /* CONFIG_X86_64 */
-#if defined(CONFIG_MCA) || defined(CONFIG_EISA)
+#ifdef CONFIG_EISA
extern int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif
diff --git a/arch/x86/include/asm/mpspec_def.h b/arch/x86/include/asm/mpspec_def.h
index c0a955a9a087..b31f8c098271 100644
--- a/arch/x86/include/asm/mpspec_def.h
+++ b/arch/x86/include/asm/mpspec_def.h
@@ -84,7 +84,7 @@ struct mpc_bus {
#define BUSTYPE_EISA "EISA"
#define BUSTYPE_ISA "ISA"
#define BUSTYPE_INTERN "INTERN" /* Internal BUS */
-#define BUSTYPE_MCA "MCA"
+#define BUSTYPE_MCA "MCA" /* Obsolete */
#define BUSTYPE_VL "VL" /* Local bus */
#define BUSTYPE_PCI "PCI"
#define BUSTYPE_PCMCIA "PCMCIA"
@@ -169,6 +169,5 @@ enum mp_bustype {
MP_BUS_ISA = 1,
MP_BUS_EISA,
MP_BUS_PCI,
- MP_BUS_MCA,
};
#endif /* _ASM_X86_MPSPEC_DEF_H */
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 532d2e090e6f..7d1569947204 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -49,7 +49,6 @@ obj-y += cpu/
obj-y += acpi/
obj-y += reboot.o
obj-$(CONFIG_X86_32) += reboot_32.o
-obj-$(CONFIG_MCA) += mca_32.o
obj-$(CONFIG_X86_MSR) += msr.o
obj-$(CONFIG_X86_CPUID) += cpuid.o
obj-$(CONFIG_PCI) += early-quirks.o
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index a415b1f44365..f564b189de1a 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -990,7 +990,7 @@ void __init mp_config_acpi_legacy_irqs(void)
int i;
struct mpc_intsrc mp_irq;
-#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+#ifdef CONFIG_EISA
/*
* Fabricate the legacy ISA bus (bus #31).
*/
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e88300d8e80a..675e9045a3c5 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -142,7 +142,7 @@ int mp_irq_entries;
/* GSI interrupts */
static int nr_irqs_gsi = NR_IRQS_LEGACY;
-#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+#ifdef CONFIG_EISA
int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif
@@ -875,7 +875,7 @@ static int __init find_isa_irq_apic(int irq, int type)
return -1;
}
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+#ifdef CONFIG_EISA
/*
* EISA Edge/Level control register, ELCR
*/
@@ -912,12 +912,6 @@ static int EISA_ELCR(unsigned int irq)
#define default_PCI_trigger(idx) (1)
#define default_PCI_polarity(idx) (1)
-/* MCA interrupts are always polarity zero level triggered,
- * when listed as conforming in the MP table. */
-
-#define default_MCA_trigger(idx) (1)
-#define default_MCA_polarity(idx) default_ISA_polarity(idx)
-
static int irq_polarity(int idx)
{
int bus = mp_irqs[idx].srcbus;
@@ -975,7 +969,7 @@ static int irq_trigger(int idx)
trigger = default_ISA_trigger(idx);
else
trigger = default_PCI_trigger(idx);
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+#ifdef CONFIG_EISA
switch (mp_bus_id_to_type[bus]) {
case MP_BUS_ISA: /* ISA pin */
{
@@ -992,11 +986,6 @@ static int irq_trigger(int idx)
/* set before the switch */
break;
}
- case MP_BUS_MCA: /* MCA pin */
- {
- trigger = default_MCA_trigger(idx);
- break;
- }
default:
{
printk(KERN_WARNING "broken BIOS!!\n");
diff --git a/arch/x86/kernel/mca_32.c b/arch/x86/kernel/mca_32.c
deleted file mode 100644
index 7eb1e2b97827..000000000000
--- a/arch/x86/kernel/mca_32.c
+++ /dev/null
@@ -1,476 +0,0 @@
-/*
- * Written by Martin Kolinek, February 1996
- *
- * Changes:
- *
- * Chris Beauregard July 28th, 1996
- * - Fixed up integrated SCSI detection
- *
- * Chris Beauregard August 3rd, 1996
- * - Made mca_info local
- * - Made integrated registers accessible through standard function calls
- * - Added name field
- * - More sanity checking
- *
- * Chris Beauregard August 9th, 1996
- * - Rewrote /proc/mca
- *
- * Chris Beauregard January 7th, 1997
- * - Added basic NMI-processing
- * - Added more information to mca_info structure
- *
- * David Weinehall October 12th, 1998
- * - Made a lot of cleaning up in the source
- * - Added use of save_flags / restore_flags
- * - Added the 'driver_loaded' flag in MCA_adapter
- * - Added an alternative implemention of ZP Gu's mca_find_unused_adapter
- *
- * David Weinehall March 24th, 1999
- * - Fixed the output of 'Driver Installed' in /proc/mca/pos
- * - Made the Integrated Video & SCSI show up even if they have id 0000
- *
- * Alexander Viro November 9th, 1999
- * - Switched to regular procfs methods
- *
- * Alfred Arnold & David Weinehall August 23rd, 2000
- * - Added support for Planar POS-registers
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/mca.h>
-#include <linux/kprobes.h>
-#include <linux/slab.h>
-#include <asm/io.h>
-#include <linux/proc_fs.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/pagemap.h>
-#include <linux/ioport.h>
-#include <asm/uaccess.h>
-#include <linux/init.h>
-
-static unsigned char which_scsi;
-
-int MCA_bus;
-EXPORT_SYMBOL(MCA_bus);
-
-/*
- * Motherboard register spinlock. Untested on SMP at the moment, but
- * are there any MCA SMP boxes?
- *
- * Yes - Alan
- */
-static DEFINE_SPINLOCK(mca_lock);
-
-/* Build the status info for the adapter */
-
-static void mca_configure_adapter_status(struct mca_device *mca_dev)
-{
- mca_dev->status = MCA_ADAPTER_NONE;
-
- mca_dev->pos_id = mca_dev->pos[0]
- + (mca_dev->pos[1] << 8);
-
- if (!mca_dev->pos_id && mca_dev->slot < MCA_MAX_SLOT_NR) {
-
- /*
- * id = 0x0000 usually indicates hardware failure,
- * however, ZP Gu (zpg@castle.net> reports that his 9556
- * has 0x0000 as id and everything still works. There
- * also seem to be an adapter with id = 0x0000; the
- * NCR Parallel Bus Memory Card. Until this is confirmed,
- * however, this code will stay.
- */
-
- mca_dev->status = MCA_ADAPTER_ERROR;
-
- return;
- } else if (mca_dev->pos_id != 0xffff) {
-
- /*
- * 0xffff usually indicates that there's no adapter,
- * however, some integrated adapters may have 0xffff as
- * their id and still be valid. Examples are on-board
- * VGA of the 55sx, the integrated SCSI of the 56 & 57,
- * and possibly also the 95 ULTIMEDIA.
- */
-
- mca_dev->status = MCA_ADAPTER_NORMAL;
- }
-
- if ((mca_dev->pos_id == 0xffff ||
- mca_dev->pos_id == 0x0000) && mca_dev->slot >= MCA_MAX_SLOT_NR) {
- int j;
-
- for (j = 2; j < 8; j++) {
- if (mca_dev->pos[j] != 0xff) {
- mca_dev->status = MCA_ADAPTER_NORMAL;
- break;
- }
- }
- }
-
- if (!(mca_dev->pos[2] & MCA_ENABLED)) {
-
- /* enabled bit is in POS 2 */
-
- mca_dev->status = MCA_ADAPTER_DISABLED;
- }
-} /* mca_configure_adapter_status */
-
-/*--------------------------------------------------------------------*/
-
-static struct resource mca_standard_resources[] = {
- { .start = 0x60, .end = 0x60, .name = "system control port B (MCA)" },
- { .start = 0x90, .end = 0x90, .name = "arbitration (MCA)" },
- { .start = 0x91, .end = 0x91, .name = "card Select Feedback (MCA)" },
- { .start = 0x92, .end = 0x92, .name = "system Control port A (MCA)" },
- { .start = 0x94, .end = 0x94, .name = "system board setup (MCA)" },
- { .start = 0x96, .end = 0x97, .name = "POS (MCA)" },
- { .start = 0x100, .end = 0x107, .name = "POS (MCA)" }
-};
-
-#define MCA_STANDARD_RESOURCES ARRAY_SIZE(mca_standard_resources)
-
-/*
- * mca_read_and_store_pos - read the POS registers into a memory buffer
- * @pos: a char pointer to 8 bytes, contains the POS register value on
- * successful return
- *
- * Returns 1 if a card actually exists (i.e. the pos isn't
- * all 0xff) or 0 otherwise
- */
-static int mca_read_and_store_pos(unsigned char *pos)
-{
- int j;
- int found = 0;
-
- for (j = 0; j < 8; j++) {
- pos[j] = inb_p(MCA_POS_REG(j));
- if (pos[j] != 0xff) {
- /* 0xff all across means no device. 0x00 means
- * something's broken, but a device is
- * probably there. However, if you get 0x00
- * from a motherboard register it won't matter
- * what we find. For the record, on the
- * 57SLC, the integrated SCSI adapter has
- * 0xffff for the adapter ID, but nonzero for
- * other registers. */
-
- found = 1;
- }
- }
- return found;
-}
-
-static unsigned char mca_pc_read_pos(struct mca_device *mca_dev, int reg)
-{
- unsigned char byte;
- unsigned long flags;
-
- if (reg < 0 || reg >= 8)
- return 0;
-
- spin_lock_irqsave(&mca_lock, flags);
- if (mca_dev->pos_register) {
- /* Disable adapter setup, enable motherboard setup */
-
- outb_p(0, MCA_ADAPTER_SETUP_REG);
- outb_p(mca_dev->pos_register, MCA_MOTHERBOARD_SETUP_REG);
-
- byte = inb_p(MCA_POS_REG(reg));
- outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
- } else {
-
- /* Make sure motherboard setup is off */
-
- outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
-
- /* Read the appropriate register */
-
- outb_p(0x8|(mca_dev->slot & 0xf), MCA_ADAPTER_SETUP_REG);
- byte = inb_p(MCA_POS_REG(reg));
- outb_p(0, MCA_ADAPTER_SETUP_REG);
- }
- spin_unlock_irqrestore(&mca_lock, flags);
-
- mca_dev->pos[reg] = byte;
-
- return byte;
-}
-
-static void mca_pc_write_pos(struct mca_device *mca_dev, int reg,
- unsigned char byte)
-{
- unsigned long flags;
-
- if (reg < 0 || reg >= 8)
- return;
-
- spin_lock_irqsave(&mca_lock, flags);
-
- /* Make sure motherboard setup is off */
-
- outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
-
- /* Read in the appropriate register */
-
- outb_p(0x8|(mca_dev->slot&0xf), MCA_ADAPTER_SETUP_REG);
- outb_p(byte, MCA_POS_REG(reg));
- outb_p(0, MCA_ADAPTER_SETUP_REG);
-
- spin_unlock_irqrestore(&mca_lock, flags);
-
- /* Update the global register list, while we have the byte */
-
- mca_dev->pos[reg] = byte;
-
-}
-
-/* for the primary MCA bus, we have identity transforms */
-static int mca_dummy_transform_irq(struct mca_device *mca_dev, int irq)
-{
- return irq;
-}
-
-static int mca_dummy_transform_ioport(struct mca_device *mca_dev, int port)
-{
- return port;
-}
-
-static void *mca_dummy_transform_memory(struct mca_device *mca_dev, void *mem)
-{
- return mem;
-}
-
-
-static int __init mca_init(void)
-{
- unsigned int i, j;
- struct mca_device *mca_dev;
- unsigned char pos[8];
- short mca_builtin_scsi_ports[] = {0xf7, 0xfd, 0x00};
- struct mca_bus *bus;
-
- /*
- * WARNING: Be careful when making changes here. Putting an adapter
- * and the motherboard simultaneously into setup mode may result in
- * damage to chips (according to The Indispensable PC Hardware Book
- * by Hans-Peter Messmer). Also, we disable system interrupts (so
- * that we are not disturbed in the middle of this).
- */
-
- /* Make sure the MCA bus is present */
-
- if (mca_system_init()) {
- printk(KERN_ERR "MCA bus system initialisation failed\n");
- return -ENODEV;
- }
-
- if (!MCA_bus)
- return -ENODEV;
-
- printk(KERN_INFO "Micro Channel bus detected.\n");
-
- /* All MCA systems have at least a primary bus */
- bus = mca_attach_bus(MCA_PRIMARY_BUS);
- if (!bus)
- goto out_nomem;
- bus->default_dma_mask = 0xffffffffLL;
- bus->f.mca_write_pos = mca_pc_write_pos;
- bus->f.mca_read_pos = mca_pc_read_pos;
- bus->f.mca_transform_irq = mca_dummy_transform_irq;
- bus->f.mca_transform_ioport = mca_dummy_transform_ioport;
- bus->f.mca_transform_memory = mca_dummy_transform_memory;
-
- /* get the motherboard device */
- mca_dev = kzalloc(sizeof(struct mca_device), GFP_KERNEL);
- if (unlikely(!mca_dev))
- goto out_nomem;
-
- /*
- * We do not expect many MCA interrupts during initialization,
- * but let us be safe:
- */
- spin_lock_irq(&mca_lock);
-
- /* Make sure adapter setup is off */
-
- outb_p(0, MCA_ADAPTER_SETUP_REG);
-
- /* Read motherboard POS registers */
-
- mca_dev->pos_register = 0x7f;
- outb_p(mca_dev->pos_register, MCA_MOTHERBOARD_SETUP_REG);
- mca_dev->name[0] = 0;
- mca_read_and_store_pos(mca_dev->pos);
- mca_configure_adapter_status(mca_dev);
- /* fake POS and slot for a motherboard */
- mca_dev->pos_id = MCA_MOTHERBOARD_POS;
- mca_dev->slot = MCA_MOTHERBOARD;
- mca_register_device(MCA_PRIMARY_BUS, mca_dev);
-
- mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
- if (unlikely(!mca_dev))
- goto out_unlock_nomem;
-
- /* Put motherboard into video setup mode, read integrated video
- * POS registers, and turn motherboard setup off.
- */
-
- mca_dev->pos_register = 0xdf;
- outb_p(mca_dev->pos_register, MCA_MOTHERBOARD_SETUP_REG);
- mca_dev->name[0] = 0;
- mca_read_and_store_pos(mca_dev->pos);
- mca_configure_adapter_status(mca_dev);
- /* fake POS and slot for the integrated video */
- mca_dev->pos_id = MCA_INTEGVIDEO_POS;
- mca_dev->slot = MCA_INTEGVIDEO;
- mca_register_device(MCA_PRIMARY_BUS, mca_dev);
-
- /*
- * Put motherboard into scsi setup mode, read integrated scsi
- * POS registers, and turn motherboard setup off.
- *
- * It seems there are two possible SCSI registers. Martin says that
- * for the 56,57, 0xf7 is the one, but fails on the 76.
- * Alfredo (apena@vnet.ibm.com) says
- * 0xfd works on his machine. We'll try both of them. I figure it's
- * a good bet that only one could be valid at a time. This could
- * screw up though if one is used for something else on the other
- * machine.
- */
-
- for (i = 0; (which_scsi = mca_builtin_scsi_ports[i]) != 0; i++) {
- outb_p(which_scsi, MCA_MOTHERBOARD_SETUP_REG);
- if (mca_read_and_store_pos(pos))
- break;
- }
- if (which_scsi) {
- /* found a scsi card */
- mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
- if (unlikely(!mca_dev))
- goto out_unlock_nomem;
-
- for (j = 0; j < 8; j++)
- mca_dev->pos[j] = pos[j];
-
- mca_configure_adapter_status(mca_dev);
- /* fake POS and slot for integrated SCSI controller */
- mca_dev->pos_id = MCA_INTEGSCSI_POS;
- mca_dev->slot = MCA_INTEGSCSI;
- mca_dev->pos_register = which_scsi;
- mca_register_device(MCA_PRIMARY_BUS, mca_dev);
- }
-
- /* Turn off motherboard setup */
-
- outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
-
- /*
- * Now loop over MCA slots: put each adapter into setup mode, and
- * read its POS registers. Then put adapter setup off.
- */
-
- for (i = 0; i < MCA_MAX_SLOT_NR; i++) {
- outb_p(0x8|(i&0xf), MCA_ADAPTER_SETUP_REG);
- if (!mca_read_and_store_pos(pos))
- continue;
-
- mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
- if (unlikely(!mca_dev))
- goto out_unlock_nomem;
-
- for (j = 0; j < 8; j++)
- mca_dev->pos[j] = pos[j];
-
- mca_dev->driver_loaded = 0;
- mca_dev->slot = i;
- mca_dev->pos_register = 0;
- mca_configure_adapter_status(mca_dev);
- mca_register_device(MCA_PRIMARY_BUS, mca_dev);
- }
- outb_p(0, MCA_ADAPTER_SETUP_REG);
-
- /* Enable interrupts and return memory start */
- spin_unlock_irq(&mca_lock);
-
- for (i = 0; i < MCA_STANDARD_RESOURCES; i++)
- request_resource(&ioport_resource, mca_standard_resources + i);
-
- mca_do_proc_init();
-
- return 0;
-
- out_unlock_nomem:
- spin_unlock_irq(&mca_lock);
- out_nomem:
- printk(KERN_EMERG "Failed memory allocation in MCA setup!\n");
- return -ENOMEM;
-}
-
-subsys_initcall(mca_init);
-
-/*--------------------------------------------------------------------*/
-
-static __kprobes void
-mca_handle_nmi_device(struct mca_device *mca_dev, int check_flag)
-{
- int slot = mca_dev->slot;
-
- if (slot == MCA_INTEGSCSI) {
- printk(KERN_CRIT "NMI: caused by MCA integrated SCSI adapter (%s)\n",
- mca_dev->name);
- } else if (slot == MCA_INTEGVIDEO) {
- printk(KERN_CRIT "NMI: caused by MCA integrated video adapter (%s)\n",
- mca_dev->name);
- } else if (slot == MCA_MOTHERBOARD) {
- printk(KERN_CRIT "NMI: caused by motherboard (%s)\n",
- mca_dev->name);
- }
-
- /* More info available in POS 6 and 7? */
-
- if (check_flag) {
- unsigned char pos6, pos7;
-
- pos6 = mca_device_read_pos(mca_dev, 6);
- pos7 = mca_device_read_pos(mca_dev, 7);
-
- printk(KERN_CRIT "NMI: POS 6 = 0x%x, POS 7 = 0x%x\n", pos6, pos7);
- }
-
-} /* mca_handle_nmi_slot */
-
-/*--------------------------------------------------------------------*/
-
-static int __kprobes mca_handle_nmi_callback(struct device *dev, void *data)
-{
- struct mca_device *mca_dev = to_mca_device(dev);
- unsigned char pos5;
-
- pos5 = mca_device_read_pos(mca_dev, 5);
-
- if (!(pos5 & 0x80)) {
- /*
- * Bit 7 of POS 5 is reset when this adapter has a hardware
- * error. Bit 7 it reset if there's error information
- * available in POS 6 and 7.
- */
- mca_handle_nmi_device(mca_dev, !(pos5 & 0x40));
- return 1;
- }
- return 0;
-}
-
-void __kprobes mca_handle_nmi(void)
-{
- /*
- * First try - scan the various adapters and see if a specific
- * adapter was responsible for the error.
- */
- bus_for_each_dev(&mca_bus_type, NULL, NULL, mca_handle_nmi_callback);
-}
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index ca470e4c92dc..b02d4dd6b8a3 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -97,7 +97,7 @@ static void __init MP_bus_info(struct mpc_bus *m)
set_bit(m->busid, mp_bus_not_pci);
if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA) - 1) == 0) {
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+#ifdef CONFIG_EISA
mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
#endif
} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
@@ -105,12 +105,10 @@ static void __init MP_bus_info(struct mpc_bus *m)
x86_init.mpparse.mpc_oem_pci_bus(m);
clear_bit(m->busid, mp_bus_not_pci);
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+#ifdef CONFIG_EISA
mp_bus_id_to_type[m->busid] = MP_BUS_PCI;
} else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA) - 1) == 0) {
mp_bus_id_to_type[m->busid] = MP_BUS_EISA;
- } else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA) - 1) == 0) {
- mp_bus_id_to_type[m->busid] = MP_BUS_MCA;
#endif
} else
printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
@@ -368,9 +366,6 @@ static void __init construct_ioapic_table(int mpc_default_type)
case 3:
memcpy(bus.bustype, "EISA ", 6);
break;
- case 4:
- case 7:
- memcpy(bus.bustype, "MCA ", 6);
}
MP_bus_info(&bus);
if (mpc_default_type > 4) {
@@ -623,7 +618,7 @@ void __init default_find_smp_config(void)
return;
/*
* If it is an SMP machine we should know now, unless the
- * configuration is in an EISA/MCA bus machine with an
+ * configuration is in an EISA bus machine with an
* extended bios data area.
*
* there is a real-mode segmented pointer pointing to the
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 47acaf319165..7b3fdfdabf94 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -19,8 +19,6 @@
#include <linux/slab.h>
#include <linux/export.h>
-#include <linux/mca.h>
-
#if defined(CONFIG_EDAC)
#include <linux/edac.h>
#endif
@@ -282,16 +280,6 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs)
__this_cpu_add(nmi_stats.unknown, 1);
-#ifdef CONFIG_MCA
- /*
- * Might actually be able to figure out what the guilty party
- * is:
- */
- if (MCA_bus) {
- mca_handle_nmi();
- return;
- }
-#endif
pr_emerg("Uhhuh. NMI received for unknown reason %02x on CPU %d.\n",
reason, smp_processor_id());
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 1a2901562059..879166402bf9 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -34,7 +34,6 @@
#include <linux/memblock.h>
#include <linux/seq_file.h>
#include <linux/console.h>
-#include <linux/mca.h>
#include <linux/root_dev.h>
#include <linux/highmem.h>
#include <linux/module.h>
@@ -179,12 +178,6 @@ struct cpuinfo_x86 new_cpu_data __cpuinitdata = {0, 0, 0, 0, -1, 1, 0, 0, -1};
/* common cpu data for all cpus */
struct cpuinfo_x86 boot_cpu_data __read_mostly = {0, 0, 0, 0, -1, 1, 0, 0, -1};
EXPORT_SYMBOL(boot_cpu_data);
-static void set_mca_bus(int x)
-{
-#ifdef CONFIG_MCA
- MCA_bus = x;
-#endif
-}
unsigned int def_to_bigsmp;
@@ -717,7 +710,6 @@ void __init setup_arch(char **cmdline_p)
apm_info.bios = boot_params.apm_bios_info;
ist_info = boot_params.ist_info;
if (boot_params.sys_desc_table.length != 0) {
- set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
machine_id = boot_params.sys_desc_table.table[0];
machine_submodel_id = boot_params.sys_desc_table.table[1];
BIOS_revision = boot_params.sys_desc_table.table[2];
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index c6eba2b42673..24d3c91e9812 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -14,7 +14,6 @@
#include <linux/i8253.h>
#include <linux/time.h>
#include <linux/export.h>
-#include <linux/mca.h>
#include <asm/vsyscall.h>
#include <asm/x86_init.h>
@@ -58,11 +57,6 @@ EXPORT_SYMBOL(profile_pc);
static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
global_clock_event->event_handler(global_clock_event);
-
- /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */
- if (MCA_bus)
- outb_p(inb_p(0x61)| 0x80, 0x61);
-
return IRQ_HANDLED;
}
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index ff9281f16029..4754f510b360 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -37,10 +37,6 @@
#include <linux/eisa.h>
#endif
-#ifdef CONFIG_MCA
-#include <linux/mca.h>
-#endif
-
#if defined(CONFIG_EDAC)
#include <linux/edac.h>
#endif