diff options
Diffstat (limited to 'arch/avr32/boards/merisc/flash.c')
-rw-r--r-- | arch/avr32/boards/merisc/flash.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/avr32/boards/merisc/flash.c b/arch/avr32/boards/merisc/flash.c deleted file mode 100644 index 8e856fd6f013..000000000000 --- a/arch/avr32/boards/merisc/flash.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Merisc board-specific flash initialization - * - * Copyright (C) 2008 Martinsson Elektronik AB - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <mach/smc.h> - -/* Will be translated to units of 14.3 ns, rounded up */ -static struct smc_timing flash_timing __initdata = { - .ncs_read_setup = 1 * 14, - .nrd_setup = 5 * 14, - .ncs_write_setup = 1 * 14, - .nwe_setup = 2 * 14, - - .ncs_read_pulse = 12 * 14, - .nrd_pulse = 7 * 14, - .ncs_write_pulse = 8 * 14, - .nwe_pulse = 4 * 14, - - .read_cycle = 14 * 14, - .write_cycle = 10 * 14, -}; - -static struct smc_config flash_config __initdata = { - .bus_width = 2, - .nrd_controlled = 1, - .nwe_controlled = 1, - .byte_write = 1, - .tdf_cycles = 3, -}; - -static struct mtd_partition flash_0_parts[] = { - { - .name = "boot", - .offset = 0x00000000, - .size = 0x00060000, - .mask_flags = 0, - }, - { - .name = "kernel", - .offset = 0x00060000, - .size = 0x00200000, - .mask_flags = 0, - }, - { - .name = "root", - .offset = 0x00260000, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0, - }, -}; - -static struct mtd_partition flash_1_parts[] = { - { - .name = "2ndflash", - .offset = 0x00000000, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0, - }, -}; - -static struct physmap_flash_data flash_data[] = { - { - .width = 2, - .nr_parts = ARRAY_SIZE(flash_0_parts), - .parts = flash_0_parts, - }, - { - .width = 2, - .nr_parts = ARRAY_SIZE(flash_1_parts), - .parts = flash_1_parts, - } -}; - -static struct resource flash_resource[] = { - { - .start = 0x00000000, - .end = 0x03ffffff, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x04000000, - .end = 0x07ffffff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device flash_device[] = { - { - .name = "physmap-flash", - .id = 0, - .resource = &flash_resource[0], - .num_resources = 1, - .dev = { - .platform_data = &flash_data[0], - }, - }, - { - .name = "physmap-flash", - .id = 1, - .resource = &flash_resource[1], - .num_resources = 1, - .dev = { - .platform_data = &flash_data[1], - }, - }, -}; - -static int __init merisc_flash_init(void) -{ - int ret; - smc_set_timing(&flash_config, &flash_timing); - - ret = smc_set_configuration(0, &flash_config); - if (ret < 0) { - printk(KERN_ERR "Merisc: failed to set NOR flash timing #0\n"); - return ret; - } - - ret = smc_set_configuration(4, &flash_config); - if (ret < 0) { - printk(KERN_ERR "Merisc: failed to set NOR flash timing #1\n"); - return ret; - } - - platform_device_register(&flash_device[0]); - platform_device_register(&flash_device[1]); - return 0; -} -device_initcall(merisc_flash_init); |