From c26e454dfc6650428854fa2db3b1ed7f19e0ba0e Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 18 Apr 2004 10:13:26 +0000
Subject: Patches by Pantelis Antoniou, 16 Apr 2004: - add support for a new
 version of an Intracom board and fix   various other things on others. - add
 verify support to the crc32 command (define   CONFIG_CRC32_VERIFY to enable
 it) - fix FEC driver for MPC8xx systems:   1. fix compilation problems for
 boards that use dynamic      allocation of DPRAM   2. shut down FEC after
 network transfers - HUSH parser fixes:   1. A new test command was added.
 This is a simplified version of      the one in the bourne shell.   2. A new
 exit command was added which terminates the current      executing script.  
 3. Fixed handing of $? (exit code of last executed command)

---
 common/cmd_mem.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

(limited to 'common/cmd_mem.c')

diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index f18bfde3ae..8430298a34 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -963,6 +963,8 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[])
 	return 0;
 }
 
+#ifndef CONFIG_CRC32_VERIFY
+
 int do_mem_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
 	ulong addr, length;
@@ -992,6 +994,62 @@ int do_mem_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	return 0;
 }
 
+#else	/* CONFIG_CRC32_VERIFY */
+
+int do_mem_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	ulong addr, length;
+	ulong crc;
+	ulong *ptr;
+	ulong vcrc; 
+	int verify;
+	int ac;
+	char **av;
+
+	if (argc < 3) {
+  usage:
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	av = argv + 1;
+	ac = argc - 1;
+	if (strcmp(*av, "-v") == 0) {
+		verify = 1;
+		av++;
+		ac--;
+		if (ac < 3)
+			goto usage;
+	} else
+		verify = 0;
+
+	addr = simple_strtoul(*av++, NULL, 16);
+	addr += base_address;
+	length = simple_strtoul(*av++, NULL, 16);
+
+	crc = crc32(0, (const uchar *) addr, length);
+
+	if (!verify) {
+		printf ("CRC32 for %08lx ... %08lx ==> %08lx\n",
+				addr, addr + length - 1, crc);
+		if (ac > 2) {
+			ptr = (ulong *) simple_strtoul (*av++, NULL, 16);
+			*ptr = crc;
+		}
+	} else {
+		vcrc = simple_strtoul(*av++, NULL, 16);
+		if (vcrc != crc) {
+			printf ("CRC32 for %08lx ... %08lx ==> %08lx != %08lx ** ERROR **\n",
+					addr, addr + length - 1, crc, vcrc);
+			return 1;
+		}
+	}
+
+	return 0;
+
+}
+#endif	/* CONFIG_CRC32_VERIFY */
+
 /**************************************************/
 #if (CONFIG_COMMANDS & CFG_CMD_MEMORY)
 U_BOOT_CMD(
@@ -1032,12 +1090,25 @@ U_BOOT_CMD(
 	"[.b, .w, .l] addr1 addr2 count\n    - compare memory\n"
 );
 
+#ifndef CONFIG_CRC32_VERIFY
+
 U_BOOT_CMD(
 	crc32,    4,    1,     do_mem_crc,
 	"crc32   - checksum calculation\n",
 	"address count [addr]\n    - compute CRC32 checksum [save at addr]\n"
 );
 
+#else	/* CONFIG_CRC32_VERIFY */
+
+U_BOOT_CMD(
+	crc32,    5,    1,     do_mem_crc,
+	"crc32   - checksum calculation\n",
+	"address count [addr]\n    - compute CRC32 checksum [save at addr]\n"
+	"-v address count crc\n    - verify crc of memory area\n"
+);
+
+#endif	/* CONFIG_CRC32_VERIFY */
+
 U_BOOT_CMD(
 	base,    2,    1,     do_mem_base,
 	"base    - print or set address offset\n",
-- 
cgit v1.2.3