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
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 || \
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)
#include <linux/slab.h>
-#include <linux/kexec.h>
#include <linux/proc_fs.h>
#include <asm/setup.h>
#include <asm/types.h>
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,
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);
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
+++ /dev/null
-/*
- * 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
-
#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)
{
/*
* 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));
}
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);
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/arch/memory.h>
-#ifdef CONFIG_ARCH_FOOTBRIDGE
/* Virtual Physical Size
* 0xff800000 0x40000000 1MB X-Bus
* 0xff000000 0x7c000000 1MB PCI I/O space
#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)
#endif
-#if defined(CONFIG_ARCH_FOOTBRIDGE)
-
/* Task size and page offset at 3GB */
#define TASK_SIZE UL(0xbf000000)
#define PAGE_OFFSET UL(0xc0000000)
*/
#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.
*/
*/
-#ifdef CONFIG_ARCH_FOOTBRIDGE
#define VMALLOC_END (PAGE_OFFSET + 0x30000000)
-#else
-#define VMALLOC_END (PAGE_OFFSET + 0x20000000)
-#endif
__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
#define KEXEC_ARCH KEXEC_ARCH_ARM
-#define KEXEC_BOOT_PARAMS_SIZE 1536
-
#define KEXEC_ARM_ATAGS_OFFSET 0x1000
#define KEXEC_ARM_ZIMAGE_OFFSET 0x8000
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