/*
- * Copyright (c) 2001 Maciej W. Rozycki
+ * Copyright (c) 2001 Maciej W. Rozycki
*
- * 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 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.
*
- * $Id: ms02-nv.c,v 1.4 2003/05/20 21:03:07 dwmw2 Exp $
+ * $Id: ms02-nv.c,v 1.11 2005/11/14 13:41:47 macro Exp $
*/
#include <linux/init.h>
static char version[] __initdata =
- "ms02-nv.c: v.1.0.0 13 Aug 2001 Maciej W. Rozycki.\n";
+ "ms02-nv.c: v.1.0.0 13 Aug 2001 Maciej W. Rozycki.\n";
-MODULE_AUTHOR("Maciej W. Rozycki <macro@ds2.pg.gda.pl>");
+MODULE_AUTHOR("Maciej W. Rozycki <macro@linux-mips.org>");
MODULE_DESCRIPTION("DEC MS02-NV NVRAM module driver");
MODULE_LICENSE("GPL");
/*
* Addresses we probe for an MS02-NV at. Modules may be located
- * at any 8MB boundary within a 0MB up to 112MB range or at any 32MB
- * boundary within a 0MB up to 448MB range. We don't support a module
- * at 0MB, though.
+ * at any 8MiB boundary within a 0MiB up to 112MiB range or at any 32MiB
+ * boundary within a 0MiB up to 448MiB range. We don't support a module
+ * at 0MiB, though.
*/
static ulong ms02nv_addrs[] __initdata = {
0x07000000, 0x06800000, 0x06000000, 0x05800000, 0x05000000,
static int ms02nv_read(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
- struct ms02nv_private *mp = (struct ms02nv_private *)mtd->priv;
+ struct ms02nv_private *mp = mtd->priv;
if (from + len > mtd->size)
return -EINVAL;
static int ms02nv_write(struct mtd_info *mtd, loff_t to,
size_t len, size_t *retlen, const u_char *buf)
{
- struct ms02nv_private *mp = (struct ms02nv_private *)mtd->priv;
+ struct ms02nv_private *mp = mtd->priv;
if (to + len > mtd->size)
return -EINVAL;
* The firmware writes MS02NV_ID at MS02NV_MAGIC and also
* a diagnostic status at MS02NV_DIAG.
*/
- ms02nv_diagp = (ms02nv_uint *)(KSEG1ADDR(addr + MS02NV_DIAG));
- ms02nv_magicp = (ms02nv_uint *)(KSEG1ADDR(addr + MS02NV_MAGIC));
+ ms02nv_diagp = (ms02nv_uint *)(CKSEG1ADDR(addr + MS02NV_DIAG));
+ ms02nv_magicp = (ms02nv_uint *)(CKSEG1ADDR(addr + MS02NV_MAGIC));
err = get_dbe(ms02nv_magic, ms02nv_magicp);
if (err)
return 0;
int ret = -ENODEV;
- /* The module decodes 8MB of address space. */
- mod_res = kmalloc(sizeof(*mod_res), GFP_KERNEL);
+ /* The module decodes 8MiB of address space. */
+ mod_res = kzalloc(sizeof(*mod_res), GFP_KERNEL);
if (!mod_res)
return -ENOMEM;
- memset(mod_res, 0, sizeof(*mod_res));
mod_res->name = ms02nv_name;
mod_res->start = addr;
mod_res->end = addr + MS02NV_SLOT_SIZE - 1;
}
ret = -ENOMEM;
- mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+ mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
if (!mtd)
goto err_out_mod_res_rel;
- memset(mtd, 0, sizeof(*mtd));
- mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+ mp = kzalloc(sizeof(*mp), GFP_KERNEL);
if (!mp)
goto err_out_mtd;
- memset(mp, 0, sizeof(*mp));
mtd->priv = mp;
mp->resource.module = mod_res;
/* Firmware's diagnostic NVRAM area. */
- diag_res = kmalloc(sizeof(*diag_res), GFP_KERNEL);
+ diag_res = kzalloc(sizeof(*diag_res), GFP_KERNEL);
if (!diag_res)
goto err_out_mp;
- memset(diag_res, 0, sizeof(*diag_res));
diag_res->name = ms02nv_res_diag_ram;
diag_res->start = addr;
diag_res->end = addr + MS02NV_RAM - 1;
mp->resource.diag_ram = diag_res;
/* User-available general-purpose NVRAM area. */
- user_res = kmalloc(sizeof(*user_res), GFP_KERNEL);
+ user_res = kzalloc(sizeof(*user_res), GFP_KERNEL);
if (!user_res)
goto err_out_diag_res;
- memset(user_res, 0, sizeof(*user_res));
user_res->name = ms02nv_res_user_ram;
user_res->start = addr + MS02NV_RAM;
user_res->end = addr + size - 1;
mp->resource.user_ram = user_res;
/* Control and status register. */
- csr_res = kmalloc(sizeof(*csr_res), GFP_KERNEL);
+ csr_res = kzalloc(sizeof(*csr_res), GFP_KERNEL);
if (!csr_res)
goto err_out_user_res;
- memset(csr_res, 0, sizeof(*csr_res));
csr_res->name = ms02nv_res_csr;
csr_res->start = addr + MS02NV_CSR;
csr_res->end = addr + MS02NV_CSR + 3;
mp->uaddr = phys_to_virt(fixaddr);
mtd->type = MTD_RAM;
- mtd->flags = MTD_CAP_RAM | MTD_XIP;
+ mtd->flags = MTD_CAP_RAM;
mtd->size = fixsize;
mtd->name = (char *)ms02nv_name;
mtd->owner = THIS_MODULE;
mtd->read = ms02nv_read;
mtd->write = ms02nv_write;
+ mtd->writesize = 1;
ret = -EIO;
if (add_mtd_device(mtd)) {
goto err_out_csr_res;
}
- printk(KERN_INFO "mtd%d: %s at 0x%08lx, size %uMB.\n",
+ printk(KERN_INFO "mtd%d: %s at 0x%08lx, size %zuMiB.\n",
mtd->index, ms02nv_name, addr, size >> 20);
mp->next = root_ms02nv_mtd;
static void __exit ms02nv_remove_one(void)
{
struct mtd_info *mtd = root_ms02nv_mtd;
- struct ms02nv_private *mp = (struct ms02nv_private *)mtd->priv;
+ struct ms02nv_private *mp = mtd->priv;
root_ms02nv_mtd = mp->next;
switch (mips_machtype) {
case MACH_DS5000_200:
- csr = (volatile u32 *)KN02_CSR_ADDR;
+ csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR);
if (*csr & KN02_CSR_BNK32M)
stride = 2;
break;
case MACH_DS5000_2X0:
- case MACH_DS5000:
- csr = (volatile u32 *)KN03_MCR_BASE;
+ case MACH_DS5900:
+ csr = (volatile u32 *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_MCR);
if (*csr & KN03_MCR_BNK32M)
stride = 2;
break;
break;
}
- for (i = 0; i < (sizeof(ms02nv_addrs) / sizeof(*ms02nv_addrs)); i++)
+ for (i = 0; i < ARRAY_SIZE(ms02nv_addrs); i++)
if (!ms02nv_init_one(ms02nv_addrs[i] << stride))
count++;
git://git.onelab.eu / linux-2.6.git / blobdiff