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 1.29 2004/07/12 22:38:29 dwmw2 Exp $
+ $Id: sbc_gxx.c,v 1.26 2003/05/26 08:50:36 dwmw2 Exp $
The SBC-MediaGX / SBC-GXx has up to 16 MiB of
Intel StrataFlash (28F320/28F640) in x8 mode.
}
-static map_word sbc_gxx_read8(struct map_info *map, unsigned long ofs)
+static __u8 sbc_gxx_read8(struct map_info *map, unsigned long ofs)
{
- map_word ret;
+ __u8 ret;
spin_lock(&sbc_gxx_spin);
sbc_gxx_page(map, ofs);
- ret.x[0] = readb(iomapadr + (ofs & WINDOW_MASK));
+ ret = readb(iomapadr + (ofs & WINDOW_MASK));
+ spin_unlock(&sbc_gxx_spin);
+ return ret;
+}
+
+static __u16 sbc_gxx_read16(struct map_info *map, unsigned long ofs)
+{
+ __u16 ret;
+ spin_lock(&sbc_gxx_spin);
+ sbc_gxx_page(map, ofs);
+ ret = readw(iomapadr + (ofs & WINDOW_MASK));
+ spin_unlock(&sbc_gxx_spin);
+ return ret;
+}
+
+static __u32 sbc_gxx_read32(struct map_info *map, unsigned long ofs)
+{
+ __u32 ret;
+ spin_lock(&sbc_gxx_spin);
+ sbc_gxx_page(map, ofs);
+ ret = readl(iomapadr + (ofs & WINDOW_MASK));
spin_unlock(&sbc_gxx_spin);
return ret;
}
}
}
-static void sbc_gxx_write8(struct map_info *map, map_word d, unsigned long adr)
+static void sbc_gxx_write8(struct map_info *map, __u8 d, unsigned long adr)
+{
+ spin_lock(&sbc_gxx_spin);
+ sbc_gxx_page(map, adr);
+ writeb(d, iomapadr + (adr & WINDOW_MASK));
+ spin_unlock(&sbc_gxx_spin);
+}
+
+static void sbc_gxx_write16(struct map_info *map, __u16 d, unsigned long adr)
+{
+ spin_lock(&sbc_gxx_spin);
+ sbc_gxx_page(map, adr);
+ writew(d, iomapadr + (adr & WINDOW_MASK));
+ spin_unlock(&sbc_gxx_spin);
+}
+
+static void sbc_gxx_write32(struct map_info *map, __u32 d, unsigned long adr)
{
spin_lock(&sbc_gxx_spin);
sbc_gxx_page(map, adr);
- writeb(d.x[0], iomapadr + (adr & WINDOW_MASK));
+ writel(d, iomapadr + (adr & WINDOW_MASK));
spin_unlock(&sbc_gxx_spin);
}
.size = MAX_SIZE_KiB*1024, /* this must be set to a maximum possible amount
of flash so the cfi probe routines find all
the chips */
- .bankwidth = 1,
- .read = sbc_gxx_read8,
+ .buswidth = 1,
+ .read8 = sbc_gxx_read8,
+ .read16 = sbc_gxx_read16,
+ .read32 = sbc_gxx_read32,
.copy_from = sbc_gxx_copy_from,
- .write = sbc_gxx_write8,
+ .write8 = sbc_gxx_write8,
+ .write16 = sbc_gxx_write16,
+ .write32 = sbc_gxx_write32,
.copy_to = sbc_gxx_copy_to
};