diff options
Diffstat (limited to 'drivers/mtd/maps/sbc_gxx.c')
| -rw-r--r-- | drivers/mtd/maps/sbc_gxx.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/mtd/maps/sbc_gxx.c b/drivers/mtd/maps/sbc_gxx.c index 65add28..7cc4041 100644 --- a/drivers/mtd/maps/sbc_gxx.c +++ b/drivers/mtd/maps/sbc_gxx.c @@ -1,35 +1,35 @@ /* sbc_gxx.c -- MTD map driver for Arcom Control Systems SBC-MediaGX, SBC-GXm and SBC-GX1 series boards. - + Copyright (C) 2001 Arcom Control System Ltd - + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - $Id: sbc_gxx.c,v 1.33 2004/11/28 09:40:40 dwmw2 Exp $ + $Id: sbc_gxx.c,v 1.35 2005/11/07 11:14:28 gleixner Exp $ -The SBC-MediaGX / SBC-GXx has up to 16 MiB of -Intel StrataFlash (28F320/28F640) in x8 mode. +The SBC-MediaGX / SBC-GXx has up to 16 MiB of +Intel StrataFlash (28F320/28F640) in x8 mode. This driver uses the CFI probe and Intel Extended Command Set drivers. The flash is accessed as follows: 16 KiB memory window at 0xdc000-0xdffff - + Two IO address locations for paging - + 0x258 bit 0-7: address bit 14-21 0x259 @@ -37,7 +37,7 @@ The flash is accessed as follows: bit 7: 0 - reset/powered down 1 - device enabled -The single flash device is divided into 3 partition which appear as +The single flash device is divided into 3 partition which appear as separate MTD devices. 25/04/2001 AJL (Arcom) Modified signon strings and partition sizes @@ -87,17 +87,17 @@ static volatile int page_in_window = -1; // Current page in window. static void __iomem *iomapadr; static DEFINE_SPINLOCK(sbc_gxx_spin); -/* partition_info gives details on the logical partitions that the split the +/* partition_info gives details on the logical partitions that the split the * single flash device into. If the size if zero we use up to the end of the * device. */ static struct mtd_partition partition_info[]={ - { .name = "SBC-GXx flash boot partition", - .offset = 0, + { .name = "SBC-GXx flash boot partition", + .offset = 0, .size = BOOT_PARTITION_SIZE_KiB*1024 }, - { .name = "SBC-GXx flash data partition", - .offset = BOOT_PARTITION_SIZE_KiB*1024, + { .name = "SBC-GXx flash data partition", + .offset = BOOT_PARTITION_SIZE_KiB*1024, .size = (DATA_PARTITION_SIZE_KiB)*1024 }, - { .name = "SBC-GXx flash application partition", + { .name = "SBC-GXx flash application partition", .offset = (BOOT_PARTITION_SIZE_KiB+DATA_PARTITION_SIZE_KiB)*1024 } }; @@ -130,7 +130,7 @@ static void sbc_gxx_copy_from(struct map_info *map, void *to, unsigned long from unsigned long thislen = len; if (len > (WINDOW_LENGTH - (from & WINDOW_MASK))) thislen = WINDOW_LENGTH-(from & WINDOW_MASK); - + spin_lock(&sbc_gxx_spin); sbc_gxx_page(map, from); memcpy_fromio(to, iomapadr + (from & WINDOW_MASK), thislen); @@ -150,12 +150,12 @@ static void sbc_gxx_write8(struct map_info *map, map_word d, unsigned long adr) } static void sbc_gxx_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) -{ +{ while(len) { unsigned long thislen = len; if (len > (WINDOW_LENGTH - (to & WINDOW_MASK))) thislen = WINDOW_LENGTH-(to & WINDOW_MASK); - + spin_lock(&sbc_gxx_spin); sbc_gxx_page(map, to); memcpy_toio(iomapadr + (to & WINDOW_MASK), from, thislen); @@ -201,7 +201,7 @@ static int __init init_sbc_gxx(void) sbc_gxx_map.name ); return -EIO; } - + if (!request_region( PAGE_IO, PAGE_IO_SIZE, "SBC-GXx flash")) { printk( KERN_ERR"%s: IO ports 0x%x-0x%x in use\n", sbc_gxx_map.name, @@ -209,8 +209,8 @@ static int __init init_sbc_gxx(void) iounmap(iomapadr); return -EAGAIN; } - - + + printk( KERN_INFO"%s: IO:0x%x-0x%x MEM:0x%x-0x%x\n", sbc_gxx_map.name, PAGE_IO, PAGE_IO+PAGE_IO_SIZE-1, @@ -222,7 +222,7 @@ static int __init init_sbc_gxx(void) cleanup_sbc_gxx(); return -ENXIO; } - + all_mtd->owner = THIS_MODULE; /* Create MTD devices for each partition. */ |
