13 files changed, 45 insertions, 171 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b786e68914d4..9773a3f730f3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -232,13 +232,6 @@ config ARCH_CLPS711X
         help
           Support for Cirrus Logic 711x/721x based boards.
 
-config ARCH_CO285
-        bool "Co-EBSA285"
-        select FOOTBRIDGE
-        select FOOTBRIDGE_ADDIN
-        help
-          Support for Intel's EBSA285 companion chip.
-
 config ARCH_EBSA110
         bool "EBSA-110"
         select ISA
@@ -789,7 +782,7 @@ source "mm/Kconfig"
 
 config LEDS
         bool "Timer and CPU usage LEDs"
-        depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \
+        depends on ARCH_CDB89712 || ARCH_EBSA110 || \
                    ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \
                    ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
                    ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e72db27e0ba0..1c840639f828 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -100,8 +100,6 @@ textofs-y	:= 0x00008000
   incdir-$(CONFIG_ARCH_CLPS7500)   := cl7500
  machine-$(CONFIG_FOOTBRIDGE)      := footbridge
   incdir-$(CONFIG_FOOTBRIDGE)      := ebsa285
- machine-$(CONFIG_ARCH_CO285)      := footbridge
-  incdir-$(CONFIG_ARCH_CO285)      := ebsa285
  machine-$(CONFIG_ARCH_SHARK)      := shark
  machine-$(CONFIG_ARCH_SA1100)     := sa1100
 ifeq ($(CONFIG_ARCH_SA1100),y)
diff --git a/arch/arm/kernel/atags.c b/arch/arm/kernel/atags.c
index 64c420805e6f..42a1a1415fa6 100644
--- a/arch/arm/kernel/atags.c
+++ b/arch/arm/kernel/atags.c
@@ -1,5 +1,4 @@
 #include <linux/slab.h>
-#include <linux/kexec.h>
 #include <linux/proc_fs.h>
 #include <asm/setup.h>
 #include <asm/types.h>
@@ -7,9 +6,8 @@
 
 struct buffer {
         size_t size;
-        char *data;
+        char data[];
 };
-static struct buffer tags_buffer;
 
 static int
 read_buffer(char* page, char** start, off_t off, int count,
@@ -29,58 +27,57 @@ read_buffer(char* page, char** start, off_t off, int count,
         return count;
 }
 
-
-static int
-create_proc_entries(void)
-{
-        struct proc_dir_entry* tags_entry;
-
-        tags_entry = create_proc_read_entry("atags", 0400, NULL, read_buffer, &tags_buffer);
-        if (!tags_entry)
-                return -ENOMEM;
-
-        return 0;
-}
-
-
-static char __initdata atags_copy_buf[KEXEC_BOOT_PARAMS_SIZE];
-static char __initdata *atags_copy;
+#define BOOT_PARAMS_SIZE 1536
+static char __initdata atags_copy[BOOT_PARAMS_SIZE];
 
 void __init save_atags(const struct tag *tags)
 {
-        atags_copy = atags_copy_buf;
-        memcpy(atags_copy, tags, KEXEC_BOOT_PARAMS_SIZE);
+        memcpy(atags_copy, tags, sizeof(atags_copy));
 }
 
-
 static int __init init_atags_procfs(void)
 {
-        struct tag *tag;
-        int error;
+        /*
+         * This cannot go into save_atags() because kmalloc and proc don't work
+         * yet when it is called.
+         */
+        struct proc_dir_entry *tags_entry;
+        struct tag *tag = (struct tag *)atags_copy;
+        struct buffer *b;
+        size_t size;
 
-        if (!atags_copy) {
-                printk(KERN_WARNING "Exporting ATAGs: No saved tags found\n");
-                return -EIO;
+        if (tag->hdr.tag != ATAG_CORE) {
+                printk(KERN_INFO "No ATAGs?");
+                return -EINVAL;
         }
 
-        for (tag = (struct tag *) atags_copy; tag->hdr.size; tag = tag_next(tag))
+        for (; tag->hdr.size; tag = tag_next(tag))
                 ;
 
-        tags_buffer.size = ((char *) tag - atags_copy) + sizeof(tag->hdr);
-        tags_buffer.data = kmalloc(tags_buffer.size, GFP_KERNEL);
-        if (tags_buffer.data == NULL)
-                return -ENOMEM;
-        memcpy(tags_buffer.data, atags_copy, tags_buffer.size);
-
-        error = create_proc_entries();
-        if (error) {
-                printk(KERN_ERR "Exporting ATAGs: not enough memory\n");
-                kfree(tags_buffer.data);
-                tags_buffer.size = 0;
-                tags_buffer.data = NULL;
-        }
+        /* include the terminating ATAG_NONE */
+        size = (char *)tag - atags_copy + sizeof(struct tag_header);
 
-        return error;
-}
+        WARN_ON(tag->hdr.tag != ATAG_NONE);
+
+        b = kmalloc(sizeof(*b) + size, GFP_KERNEL);
+        if (!b)
+                goto nomem;
 
+        b->size = size;
+        memcpy(b->data, atags_copy, size);
+
+        tags_entry = create_proc_read_entry("atags", 0400,
+                        NULL, read_buffer, b);
+
+        if (!tags_entry)
+                goto nomem;
+
+        return 0;
+
+nomem:
+        kfree(b);
+        printk(KERN_ERR "Exporting ATAGs: not enough memory\n");
+
+        return -ENOMEM;
+}
 arch_initcall(init_atags_procfs);
diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile
index 0694ad6b6476..32f8609e4f85 100644
--- a/arch/arm/mach-footbridge/Makefile
+++ b/arch/arm/mach-footbridge/Makefile
@@ -14,12 +14,10 @@ pci-$(CONFIG_ARCH_EBSA285_HOST) += ebsa285-pci.o
 pci-$(CONFIG_ARCH_NETWINDER) += netwinder-pci.o
 pci-$(CONFIG_ARCH_PERSONAL_SERVER) += personal-pci.o
 
-leds-$(CONFIG_ARCH_CO285) += ebsa285-leds.o
 leds-$(CONFIG_ARCH_EBSA285) += ebsa285-leds.o
 leds-$(CONFIG_ARCH_NETWINDER) += netwinder-leds.o
 
 obj-$(CONFIG_ARCH_CATS) += cats-hw.o isa-timer.o
-obj-$(CONFIG_ARCH_CO285) += co285.o dc21285-timer.o
 obj-$(CONFIG_ARCH_EBSA285) += ebsa285.o dc21285-timer.o
 obj-$(CONFIG_ARCH_NETWINDER) += netwinder-hw.o isa-timer.o
 obj-$(CONFIG_ARCH_PERSONAL_SERVER) += personal.o dc21285-timer.o
diff --git a/arch/arm/mach-footbridge/co285.c b/arch/arm/mach-footbridge/co285.c
deleted file mode 100644
index 4545576ad8d9..000000000000
--- a/arch/arm/mach-footbridge/co285.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * linux/arch/arm/mach-footbridge/co285.c
- *
- * CO285 machine fixup
- */
-#include <linux/init.h>
-
-#include <asm/hardware/dec21285.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-
-#include "common.h"
-
-static void __init
-fixup_coebsa285(struct machine_desc *desc, struct tag *tags,
-                char **cmdline, struct meminfo *mi)
-{
-        extern unsigned long boot_memory_end;
-        extern char boot_command_line[];
-
-        mi->nr_banks      = 1;
-        mi->bank[0].start = PHYS_OFFSET;
-        mi->bank[0].size  = boot_memory_end;
-        mi->bank[0].node  = 0;
-
-        *cmdline = boot_command_line;
-}
-
-MACHINE_START(CO285, "co-EBSA285")
-        /* Maintainer: Mark van Doesburg */
-        .phys_io        = DC21285_ARMCSR_BASE,
-        .io_pg_offst    = ((0x7cf00000) >> 18) & 0xfffc,
-        .fixup          = fixup_coebsa285,
-        .map_io         = footbridge_map_io,
-        .init_irq       = footbridge_init_irq,
-        .timer          = &footbridge_timer,
-MACHINE_END
-
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index ef29fc34ce65..b08ab507c052 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -177,25 +177,6 @@ static struct map_desc ebsa285_host_io_desc[] __initdata = {
 #endif
 };
 
-/*
- * The CO-ebsa285 mapping.
- */
-static struct map_desc co285_io_desc[] __initdata = {
-#ifdef CONFIG_ARCH_CO285
-        {
-                .virtual        = PCIO_BASE,
-                .pfn            = __phys_to_pfn(DC21285_PCI_IO),
-                .length         = PCIO_SIZE,
-                .type           = MT_DEVICE,
-        }, {
-                .virtual        = PCIMEM_BASE,
-                .pfn            = __phys_to_pfn(DC21285_PCI_MEM),
-                .length         = PCIMEM_SIZE,
-                .type           = MT_DEVICE,
-        },
-#endif
-};
-
 void __init footbridge_map_io(void)
 {
         /*
@@ -208,8 +189,6 @@ void __init footbridge_map_io(void)
          * Now, work out what we've got to map in addition on this
          * platform.
          */
-        if (machine_is_co285())
-                iotable_init(co285_io_desc, ARRAY_SIZE(co285_io_desc));
         if (footbridge_cfn_mode())
                 iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc));
 }
diff --git a/arch/arm/mach-footbridge/ebsa285-leds.c b/arch/arm/mach-footbridge/ebsa285-leds.c
index a64e22226515..09c1fbc51876 100644
--- a/arch/arm/mach-footbridge/ebsa285-leds.c
+++ b/arch/arm/mach-footbridge/ebsa285-leds.c
@@ -128,7 +128,7 @@ static void ebsa285_leds_event(led_event_t evt)
 
 static int __init leds_init(void)
 {
-        if (machine_is_ebsa285() || machine_is_co285())
+        if (machine_is_ebsa285())
                 leds_event = ebsa285_leds_event;
 
         leds_event(led_start);
diff --git a/arch/arm/mach-footbridge/time.c b/arch/arm/mach-footbridge/time.c
index 5d02e95dede3..d5cfcda385d6 100644
--- a/arch/arm/mach-footbridge/time.c
+++ b/arch/arm/mach-footbridge/time.c
@@ -115,8 +115,7 @@ static int set_isa_cmos_time(void)
 
 void __init isa_rtc_init(void)
 {
-        if (machine_is_co285() ||
-            machine_is_personal_server())
+        if (machine_is_personal_server())
                 /*
                  * Add-in 21285s shouldn't access the RTC
                  */
diff --git a/include/asm-arm/arch-ebsa285/hardware.h b/include/asm-arm/arch-ebsa285/hardware.h
index daad8ee2d194..74610c2c63d4 100644
--- a/include/asm-arm/arch-ebsa285/hardware.h
+++ b/include/asm-arm/arch-ebsa285/hardware.h
@@ -14,7 +14,6 @@
 
 #include <asm/arch/memory.h>
 
-#ifdef CONFIG_ARCH_FOOTBRIDGE
 /*   Virtual      Physical      Size
  * 0xff800000   0x40000000      1MB     X-Bus
  * 0xff000000   0x7c000000      1MB     PCI I/O space
@@ -50,31 +49,6 @@
 #define PCIMEM_SIZE             0x01000000
 #define PCIMEM_BASE             0xf0000000
 
-#elif defined(CONFIG_ARCH_CO285)
-/*
- * This is the COEBSA285 cut-down mapping
- */
-#define PCIMEM_SIZE             0x80000000
-#define PCIMEM_BASE             0x80000000
-
-#define WFLUSH_SIZE             0x01000000
-#define WFLUSH_BASE             0x7d000000
-
-#define ARMCSR_SIZE             0x00100000
-#define ARMCSR_BASE             0x7cf00000
-
-#define XBUS_SIZE               0x00020000
-#define XBUS_BASE               0x7cee0000
-
-#define PCIO_SIZE               0x00010000
-#define PCIO_BASE               0x7ced0000
-
-#else
-
-#error "Undefined footbridge architecture"
-
-#endif
-
 #define XBUS_LEDS               ((volatile unsigned char *)(XBUS_BASE + 0x12000))
 #define XBUS_LED_AMBER          (1 << 0)
 #define XBUS_LED_GREEN          (1 << 1)
diff --git a/include/asm-arm/arch-ebsa285/memory.h b/include/asm-arm/arch-ebsa285/memory.h
index cbd7ae64bcc9..9019a3bf5ab9 100644
--- a/include/asm-arm/arch-ebsa285/memory.h
+++ b/include/asm-arm/arch-ebsa285/memory.h
@@ -42,8 +42,6 @@ extern unsigned long __bus_to_virt(unsigned long);
 
 #endif
 
-#if defined(CONFIG_ARCH_FOOTBRIDGE)
-
 /* Task size and page offset at 3GB */
 #define TASK_SIZE               UL(0xbf000000)
 #define PAGE_OFFSET             UL(0xc0000000)
@@ -53,23 +51,6 @@ extern unsigned long __bus_to_virt(unsigned long);
  */
 #define FLUSH_BASE              0xf9000000
 
-#elif defined(CONFIG_ARCH_CO285)
-
-/* Task size and page offset at 1.5GB */
-#define TASK_SIZE               UL(0x5f000000)
-#define PAGE_OFFSET             UL(0x60000000)
-
-/*
- * Cache flushing area.
- */
-#define FLUSH_BASE              0x7e000000
-
-#else
-
-#error "Undefined footbridge architecture"
-
-#endif
-
 /*
  * Physical DRAM offset.
  */
diff --git a/include/asm-arm/arch-ebsa285/vmalloc.h b/include/asm-arm/arch-ebsa285/vmalloc.h
index 02598200997d..e487d7e8c8a6 100644
--- a/include/asm-arm/arch-ebsa285/vmalloc.h
+++ b/include/asm-arm/arch-ebsa285/vmalloc.h
@@ -7,8 +7,4 @@
  */
 
 
-#ifdef CONFIG_ARCH_FOOTBRIDGE
 #define VMALLOC_END       (PAGE_OFFSET + 0x30000000)
-#else
-#define VMALLOC_END       (PAGE_OFFSET + 0x20000000)
-#endif
diff --git a/include/asm-arm/arch-ns9xxx/hardware.h b/include/asm-arm/arch-ns9xxx/hardware.h
index 0b7b34603f1c..0dca11ce21fc 100644
--- a/include/asm-arm/arch-ns9xxx/hardware.h
+++ b/include/asm-arm/arch-ns9xxx/hardware.h
@@ -66,13 +66,13 @@
          __REGGET(var, reg ## _ ## field) / __REGSHIFT(reg ## _ ## field)
 
 #  define REGGETIM_IDX(var, reg, field, idx)                            \
-         __REGGET(var, reg ## _ ## field((idx))) /                      \
+         __REGGET(var, reg ## _ ## field((idx))) /                      \
          __REGSHIFT(reg ## _ ## field((idx)))
 
 #else
 
 #  define __REG(x)      io_p2v(x)
-#  define __REG2(x, y)  io_p2v((x) + (y))
+#  define __REG2(x, y)  io_p2v((x) + 4 * (y))
 
 #endif
 
diff --git a/include/asm-arm/kexec.h b/include/asm-arm/kexec.h
index 47fe34d692da..c8986bb99ed5 100644
--- a/include/asm-arm/kexec.h
+++ b/include/asm-arm/kexec.h
@@ -14,8 +14,6 @@
 
 #define KEXEC_ARCH KEXEC_ARCH_ARM
 
-#define KEXEC_BOOT_PARAMS_SIZE 1536
-
 #define KEXEC_ARM_ATAGS_OFFSET  0x1000
 #define KEXEC_ARM_ZIMAGE_OFFSET 0x8000