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@@ -1,35 +1,35 @@
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/* sbc_gxx.c -- MTD map driver for Arcom Control Systems SBC-MediaGX,
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SBC-GXm and SBC-GX1 series boards.
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+
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Copyright (C) 2001 Arcom Control System Ltd
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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+
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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-
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+
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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- $Id: sbc_gxx.c,v 1.33 2004/11/28 09:40:40 dwmw2 Exp $
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+ $Id: sbc_gxx.c,v 1.35 2005/11/07 11:14:28 gleixner Exp $
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-The SBC-MediaGX / SBC-GXx has up to 16 MiB of
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-Intel StrataFlash (28F320/28F640) in x8 mode.
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+The SBC-MediaGX / SBC-GXx has up to 16 MiB of
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+Intel StrataFlash (28F320/28F640) in x8 mode.
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This driver uses the CFI probe and Intel Extended Command Set drivers.
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The flash is accessed as follows:
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16 KiB memory window at 0xdc000-0xdffff
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-
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+
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Two IO address locations for paging
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-
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+
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0x258
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bit 0-7: address bit 14-21
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0x259
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@@ -37,7 +37,7 @@ The flash is accessed as follows:
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bit 7: 0 - reset/powered down
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1 - device enabled
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-The single flash device is divided into 3 partition which appear as
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+The single flash device is divided into 3 partition which appear as
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separate MTD devices.
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25/04/2001 AJL (Arcom) Modified signon strings and partition sizes
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@@ -87,17 +87,17 @@ static volatile int page_in_window = -1; // Current page in window.
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static void __iomem *iomapadr;
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static DEFINE_SPINLOCK(sbc_gxx_spin);
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-/* partition_info gives details on the logical partitions that the split the
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+/* partition_info gives details on the logical partitions that the split the
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* single flash device into. If the size if zero we use up to the end of the
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* device. */
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static struct mtd_partition partition_info[]={
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- { .name = "SBC-GXx flash boot partition",
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- .offset = 0,
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+ { .name = "SBC-GXx flash boot partition",
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+ .offset = 0,
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.size = BOOT_PARTITION_SIZE_KiB*1024 },
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- { .name = "SBC-GXx flash data partition",
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- .offset = BOOT_PARTITION_SIZE_KiB*1024,
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+ { .name = "SBC-GXx flash data partition",
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+ .offset = BOOT_PARTITION_SIZE_KiB*1024,
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.size = (DATA_PARTITION_SIZE_KiB)*1024 },
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- { .name = "SBC-GXx flash application partition",
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+ { .name = "SBC-GXx flash application partition",
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.offset = (BOOT_PARTITION_SIZE_KiB+DATA_PARTITION_SIZE_KiB)*1024 }
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};
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@@ -130,7 +130,7 @@ static void sbc_gxx_copy_from(struct map_info *map, void *to, unsigned long from
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unsigned long thislen = len;
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if (len > (WINDOW_LENGTH - (from & WINDOW_MASK)))
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thislen = WINDOW_LENGTH-(from & WINDOW_MASK);
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-
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+
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spin_lock(&sbc_gxx_spin);
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sbc_gxx_page(map, from);
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memcpy_fromio(to, iomapadr + (from & WINDOW_MASK), thislen);
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@@ -150,12 +150,12 @@ static void sbc_gxx_write8(struct map_info *map, map_word d, unsigned long adr)
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}
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static void sbc_gxx_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
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-{
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+{
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while(len) {
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unsigned long thislen = len;
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if (len > (WINDOW_LENGTH - (to & WINDOW_MASK)))
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thislen = WINDOW_LENGTH-(to & WINDOW_MASK);
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-
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+
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spin_lock(&sbc_gxx_spin);
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sbc_gxx_page(map, to);
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memcpy_toio(iomapadr + (to & WINDOW_MASK), from, thislen);
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@@ -201,7 +201,7 @@ static int __init init_sbc_gxx(void)
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sbc_gxx_map.name );
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return -EIO;
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}
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-
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+
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if (!request_region( PAGE_IO, PAGE_IO_SIZE, "SBC-GXx flash")) {
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printk( KERN_ERR"%s: IO ports 0x%x-0x%x in use\n",
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sbc_gxx_map.name,
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@@ -209,8 +209,8 @@ static int __init init_sbc_gxx(void)
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iounmap(iomapadr);
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return -EAGAIN;
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}
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-
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-
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+
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+
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printk( KERN_INFO"%s: IO:0x%x-0x%x MEM:0x%x-0x%x\n",
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sbc_gxx_map.name,
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PAGE_IO, PAGE_IO+PAGE_IO_SIZE-1,
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@@ -222,7 +222,7 @@ static int __init init_sbc_gxx(void)
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cleanup_sbc_gxx();
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return -ENXIO;
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}
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-
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+
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all_mtd->owner = THIS_MODULE;
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/* Create MTD devices for each partition. */
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