enable USB root hub transaction translators

[openwrt.git] / target / linux / adm5120 / files / drivers / mtd / maps / adm5120-flash.c

diff --git a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
index e07fb96..8bd7ae1 100644 (file)
--- a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
+++ b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
@@ -1,29 +1,15 @@
 /*
- *  $Id$
- *
  *  Platform driver for NOR flash devices on ADM5120 based boards
  *
- *  Copyright (C) 2007 OpenWrt.org
- *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
  *
  *  This file was derived from: drivers/mtd/map/physmap.c
  *     Copyright (C) 2003 MontaVista Software Inc.
  *     Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
  *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version 2
- *  of the License, or (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the
- *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA  02110-1301, USA.
+ *  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.
  *
  */
 
@@ -40,10 +26,10 @@
 #include <linux/mtd/map.h>
 #include <linux/mtd/partitions.h>
 
-#include <adm5120_defs.h>
-#include <adm5120_switch.h>
-#include <adm5120_mpmc.h>
-#include <adm5120_platform.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_switch.h>
+#include <asm/mach-adm5120/adm5120_mpmc.h>
+#include <asm/mach-adm5120/adm5120_platform.h>
 
 #define DRV_NAME       "adm5120-flash"
 #define DRV_DESC       "ADM5120 flash MAP driver"
@@ -220,14 +206,15 @@ static int adm5120_flash_initres(struct adm5120_flash_info *info)
        struct map_info *map = &info->amap.map;
        int err = 0;
 
-       info->res = request_mem_region(map->phys, map->size, map->name);
+       info->res = request_mem_region(map->phys, info->amap.window_size,
+                       map->name);
        if (info->res == NULL) {
                MAP_ERR(map, "could not reserve memory region\n");
                err = -ENOMEM;
                goto out;
        }
 
-       map->virt = ioremap_nocache(map->phys, map->size);
+       map->virt = ioremap_nocache(map->phys, info->amap.window_size);
        if (map->virt == NULL) {
                MAP_ERR(map, "failed to ioremap flash region\n");
                err = -ENOMEM;
@@ -244,7 +231,7 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
        struct map_info *map = &info->amap.map;
        struct adm5120_flash_platform_data *pdata = dev->dev.platform_data;
        struct flash_desc *fdesc;
-       u32 t;
+       u32 t = 0;
 
        map->name = dev->dev.bus_id;
 
@@ -255,12 +242,18 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
 
        fdesc = &flash_descs[dev->id];
 
-       /* get memory window size */
-       t = SW_READ_REG(MEMCTRL) >> fdesc->srs_shift;
-       t &= MEMCTRL_SRS_MASK;
-       info->amap.window_size = flash_sizes[t];
+       if (pdata)
+               info->amap.window_size = pdata->window_size;
+
+       if (info->amap.window_size == 0) {
+               /* get memory window size */
+               t = SW_READ_REG(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift;
+               t &= MEMCTRL_SRS_MASK;
+               info->amap.window_size = flash_sizes[t];
+       }
+
        if (info->amap.window_size == 0) {
-               MAP_ERR(map, "invalid flash size detected\n");
+               MAP_ERR(map, "unable to determine window size\n");
                goto err_out;
        }
 
@@ -570,6 +563,6 @@ static void __exit adm5120_flash_exit(void)
 module_init(adm5120_flash_init);
 module_exit(adm5120_flash_exit);
 
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
 MODULE_DESCRIPTION(DRV_DESC);