mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 11:34:35 +02:00
7bc411c5d9
mtd_speedtest results:
page read speed
old new delta
DB120 929 KiB/s 2597 KiB/s +179.55%
TL-WR1043ND v1 754 KiB/s 2166 KiB/s +187.27%
TL-WR703N v1 745 KiB/s 2176 KiB/s +192.08%
TL-MR3220 v1 752 KiB/s 2154 KiB/s +186.44%
TL-WR2543ND v1 564 KiB/s 2130 KiB/s +277.66%
TL-WR741ND v2 525 KiB/s 1767 KiB/s +236.57%
ALFA-AP96 702 KiB/s 1977 KiB/s +181.62%
WNDR3700 697 KiB/s 1965 KiB/s +181.92%
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31118 3c298f89-4303-0410-b956-a3cf2f4a3e73
118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org>
|
|
*
|
|
* 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/spi/spi.h>
|
|
#include <linux/spi/flash.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/concat.h>
|
|
|
|
#include "dev-spi.h"
|
|
#include "dev-m25p80.h"
|
|
|
|
static struct ath79_spi_controller_data ath79_spi0_cdata =
|
|
{
|
|
.cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
|
|
.cs_line = 0,
|
|
};
|
|
|
|
static struct ath79_spi_controller_data ath79_spi1_cdata =
|
|
{
|
|
.cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
|
|
.cs_line = 1,
|
|
};
|
|
|
|
static struct spi_board_info ath79_spi_info[] = {
|
|
{
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.max_speed_hz = 25000000,
|
|
.modalias = "m25p80",
|
|
.controller_data = &ath79_spi0_cdata,
|
|
},
|
|
{
|
|
.bus_num = 0,
|
|
.chip_select = 1,
|
|
.max_speed_hz = 25000000,
|
|
.modalias = "m25p80",
|
|
.controller_data = &ath79_spi1_cdata,
|
|
}
|
|
};
|
|
|
|
static struct ath79_spi_platform_data ath79_spi_data;
|
|
|
|
void __init ath79_register_m25p80(struct flash_platform_data *pdata)
|
|
{
|
|
ath79_spi_data.bus_num = 0;
|
|
ath79_spi_data.num_chipselect = 1;
|
|
ath79_spi0_cdata.is_flash = true;
|
|
ath79_spi_info[0].platform_data = pdata;
|
|
ath79_register_spi(&ath79_spi_data, ath79_spi_info, 1);
|
|
}
|
|
|
|
static struct flash_platform_data *multi_pdata;
|
|
|
|
static struct mtd_info *concat_devs[2] = { NULL, NULL };
|
|
static struct work_struct mtd_concat_work;
|
|
|
|
static void mtd_concat_add_work(struct work_struct *work)
|
|
{
|
|
struct mtd_info *mtd;
|
|
|
|
mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
|
|
|
|
mtd_device_register(mtd, multi_pdata->parts, multi_pdata->nr_parts);
|
|
}
|
|
|
|
static void mtd_concat_add(struct mtd_info *mtd)
|
|
{
|
|
static bool registered = false;
|
|
|
|
if (registered)
|
|
return;
|
|
|
|
if (!strcmp(mtd->name, "spi0.0"))
|
|
concat_devs[0] = mtd;
|
|
else if (!strcmp(mtd->name, "spi0.1"))
|
|
concat_devs[1] = mtd;
|
|
else
|
|
return;
|
|
|
|
if (!concat_devs[0] || !concat_devs[1])
|
|
return;
|
|
|
|
registered = true;
|
|
INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
|
|
schedule_work(&mtd_concat_work);
|
|
}
|
|
|
|
static void mtd_concat_remove(struct mtd_info *mtd)
|
|
{
|
|
}
|
|
|
|
static void add_mtd_concat_notifier(void)
|
|
{
|
|
static struct mtd_notifier not = {
|
|
.add = mtd_concat_add,
|
|
.remove = mtd_concat_remove,
|
|
};
|
|
|
|
register_mtd_user(¬);
|
|
}
|
|
|
|
|
|
void __init ath79_register_m25p80_multi(struct flash_platform_data *pdata)
|
|
{
|
|
multi_pdata = pdata;
|
|
add_mtd_concat_notifier();
|
|
ath79_spi_data.bus_num = 0;
|
|
ath79_spi_data.num_chipselect = 2;
|
|
ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2);
|
|
}
|