-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 35652 b: refs/heads/master c: 2514183 h: refs/heads/master v: v3
- Loading branch information
Haavard Skinnemoen
authored and
Linus Torvalds
committed
Sep 26, 2006
1 parent
7999729
commit e3aad6a
Showing
3 changed files
with
97 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
--- | ||
refs/heads/master: bc157b75960f1f33566074e820342690216629b9 | ||
refs/heads/master: 2514183dff2d5282cb745af34f56d1b98e5b2df8 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
obj-y += setup.o spi.o | ||
obj-y += setup.o spi.o flash.o | ||
obj-$(CONFIG_BOARD_ATSTK1002) += atstk1002.o |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,95 @@ | ||
/* | ||
* ATSTK1000 board-specific flash initialization | ||
* | ||
* Copyright (C) 2005-2006 Atmel Corporation | ||
* | ||
* 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 <asm/arch/smc.h> | ||
|
||
static struct smc_config flash_config __initdata = { | ||
.ncs_read_setup = 0, | ||
.nrd_setup = 40, | ||
.ncs_write_setup = 0, | ||
.nwe_setup = 10, | ||
|
||
.ncs_read_pulse = 80, | ||
.nrd_pulse = 40, | ||
.ncs_write_pulse = 65, | ||
.nwe_pulse = 55, | ||
|
||
.read_cycle = 120, | ||
.write_cycle = 120, | ||
|
||
.bus_width = 2, | ||
.nrd_controlled = 1, | ||
.nwe_controlled = 1, | ||
.byte_write = 1, | ||
}; | ||
|
||
static struct mtd_partition flash_parts[] = { | ||
{ | ||
.name = "u-boot", | ||
.offset = 0x00000000, | ||
.size = 0x00020000, /* 128 KiB */ | ||
.mask_flags = MTD_WRITEABLE, | ||
}, | ||
{ | ||
.name = "root", | ||
.offset = 0x00020000, | ||
.size = 0x007d0000, | ||
}, | ||
{ | ||
.name = "env", | ||
.offset = 0x007f0000, | ||
.size = 0x00010000, | ||
.mask_flags = MTD_WRITEABLE, | ||
}, | ||
}; | ||
|
||
static struct physmap_flash_data flash_data = { | ||
.width = 2, | ||
.nr_parts = ARRAY_SIZE(flash_parts), | ||
.parts = flash_parts, | ||
}; | ||
|
||
static struct resource flash_resource = { | ||
.start = 0x00000000, | ||
.end = 0x007fffff, | ||
.flags = IORESOURCE_MEM, | ||
}; | ||
|
||
static struct platform_device flash_device = { | ||
.name = "physmap-flash", | ||
.id = 0, | ||
.resource = &flash_resource, | ||
.num_resources = 1, | ||
.dev = { | ||
.platform_data = &flash_data, | ||
}, | ||
}; | ||
|
||
/* This needs to be called after the SMC has been initialized */ | ||
static int __init atstk1000_flash_init(void) | ||
{ | ||
int ret; | ||
|
||
ret = smc_set_configuration(0, &flash_config); | ||
if (ret < 0) { | ||
printk(KERN_ERR "atstk1000: failed to set NOR flash timing\n"); | ||
return ret; | ||
} | ||
|
||
platform_device_register(&flash_device); | ||
|
||
return 0; | ||
} | ||
device_initcall(atstk1000_flash_init); |