[ARM] 5015/1: arm: remove ARCH_CO285

Trying to compile a kerel for ARCH_CO285 fails with the following error:

<--  snip  -->

...
  CC      arch/arm/mach-footbridge/dc21285.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:
In function 'dc21285_base_address':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:54: error: 'PCICFG0_BASE' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:54: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:54: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:57: error: 'PCICFG1_BASE' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:
In function 'dc21285_scan_bus':
/home/bunk/linux/kernel-2.6/git/linux-2.6/arch/arm/mach-footbridge/dc21285.c:286: error: implicit declaration of function 'pci_scan_bus'
...
make[2]: *** [arch/arm/mach-footbridge/dc21285.o] Error 1

<--  snip  -->

This does not seem to be a recent breakage.

The ARCH_CO285 support is old - kernel 2.2.0 contains first traces of
it, an it seems to have been pretty complete in later 2.2 kernels.

Since it seems to be completely dead code now this patch therefore
removes it.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -232,14 +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
-	select HAVE_IDE
-	help
-	  Support for Intel's EBSA285 companion chip.
-
 config ARCH_EBSA110
 	bool "EBSA-110"
 	select ISA
@@ -784,7 +776,7 @@ 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 || \

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)

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

arch/arm/mach-footbridge/co285.c

@@ -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
-

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));
 }

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);

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
 		 */

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)

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.
  */

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