* (C) Copyright 2010
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/cache.h>
*/
static void inject_ecc_error(void *ptr, int par)
{
- u32 val;
-
/*
* Taken from PPC460EX/EXr/GT users manual (Rev 1.21)
* 22.2.17.13 ECC Diagnostics
*/
out_be32(ptr, 0x00000000);
- val = in_be32(ptr);
+ in_be32(ptr);
/* 6. Set memory controller to no error checking */
set_mcopt1_mchk(SDRAM_MCOPT1_MCHK_NON);
out_be32(ptr, in_be32(ptr) ^ 0x00000003);
/* 8. Wait for SDRAM idle */
- val = in_be32(ptr);
+ in_be32(ptr);
set_mcopt1_mchk(SDRAM_MCOPT1_MCHK_CHK_REP);
/* Wait for SDRAM idle */
u32 end_address;
u32 address_increment;
u32 mcopt1;
- u32 val;
/*
* Fill ECC parity byte again. Otherwise further accesses to
*/
/* Wait for SDRAM idle */
- val = in_be32(0x00000000);
+ in_be32(0x00000000);
set_mcopt1_mchk(SDRAM_MCOPT1_MCHK_GEN);
/* ECC bit set method for non-cached memory */
int error;
if (argc < 3) {
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
ptr = (u32 *)simple_strtoul(argv[1], NULL, 16);
error = simple_strtoul(argv[2], NULL, 16);
if ((error < 1) || (error > 2)) {
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
printf("Using address %p for %d bit ECC error injection\n",