/*
- * $Id: lubbock-flash.c,v 1.9 2003/06/23 11:48:18 dwmw2 Exp $
+ * $Id: lubbock-flash.c,v 1.21 2005/11/07 11:14:27 gleixner Exp $
*
* Map driver for the Lubbock developer platform.
*
* Author: Nicolas Pitre
* Copyright: (C) 2001 MontaVista Software Inc.
- *
+ *
* 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/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <asm/io.h>
+#include <linux/slab.h>
+
+#include <linux/dma-mapping.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
+
+#include <asm/io.h>
#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/lubbock.h>
#define ROM_ADDR 0x00000000
#define WINDOW_SIZE 64*1024*1024
+static void lubbock_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len)
+{
+ consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
+}
+
static struct map_info lubbock_maps[2] = { {
.size = WINDOW_SIZE,
.phys = 0x00000000,
+ .inval_cache = lubbock_map_inval_cache,
}, {
.size = WINDOW_SIZE,
.phys = 0x04000000,
+ .inval_cache = lubbock_map_inval_cache,
} };
static struct mtd_partition lubbock_partitions[] = {
int flashboot = (LUB_CONF_SWITCHES & 1);
int ret = 0, i;
- lubbock_maps[0].buswidth = lubbock_maps[1].buswidth =
+ lubbock_maps[0].bankwidth = lubbock_maps[1].bankwidth =
(BOOT_DEF & 1) ? 2 : 4;
/* Compensate for the nROMBT switch which swaps the flash banks */
lubbock_maps[flashboot].name = "Lubbock Boot ROM";
for (i = 0; i < 2; i++) {
- lubbock_maps[i].virt = (unsigned long)ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
+ lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
if (!lubbock_maps[i].virt) {
printk(KERN_WARNING "Failed to ioremap %s\n", lubbock_maps[i].name);
if (!ret)
ret = -ENOMEM;
continue;
}
+ lubbock_maps[i].cached = ioremap_cached(lubbock_maps[i].phys, WINDOW_SIZE);
+ if (!lubbock_maps[i].cached)
+ printk(KERN_WARNING "Failed to ioremap cached %s\n", lubbock_maps[i].name);
simple_map_init(&lubbock_maps[i]);
- printk(KERN_NOTICE "Probing %s at physical address 0x%08lx (%d-bit buswidth)\n",
- lubbock_maps[i].name, lubbock_maps[i].phys,
- lubbock_maps[i].buswidth * 8);
+ printk(KERN_NOTICE "Probing %s at physical address 0x%08lx (%d-bit bankwidth)\n",
+ lubbock_maps[i].name, lubbock_maps[i].phys,
+ lubbock_maps[i].bankwidth * 8);
mymtds[i] = do_map_probe("cfi_probe", &lubbock_maps[i]);
-
+
if (!mymtds[i]) {
iounmap((void *)lubbock_maps[i].virt);
+ if (lubbock_maps[i].cached)
+ iounmap(lubbock_maps[i].cached);
if (!ret)
ret = -EIO;
continue;
if (!mymtds[0] && !mymtds[1])
return ret;
-
+
for (i = 0; i < 2; i++) {
if (!mymtds[i]) {
printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
if (nr_parsed_parts[i] || !i)
del_mtd_partitions(mymtds[i]);
else
- del_mtd_device(mymtds[i]);
+ del_mtd_device(mymtds[i]);
map_destroy(mymtds[i]);
iounmap((void *)lubbock_maps[i].virt);
+ if (lubbock_maps[i].cached)
+ iounmap(lubbock_maps[i].cached);
- if (parsed_parts[i])
- kfree(parsed_parts[i]);
+ kfree(parsed_parts[i]);
}
}