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Diffstat (limited to 'common/cmd_dcr.c')
-rw-r--r--common/cmd_dcr.c65
1 files changed, 41 insertions, 24 deletions
diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c
index 072685e..3ec11b0 100644
--- a/common/cmd_dcr.c
+++ b/common/cmd_dcr.c
@@ -28,7 +28,6 @@
#include <common.h>
#include <config.h>
#include <command.h>
-#include <cmd_dcr.h>
#if defined(CONFIG_4xx) && defined(CFG_CMD_SETGETDCR)
@@ -41,10 +40,12 @@ int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
unsigned short dcrn; /* Device Control Register Num */
unsigned long value; /* DCR's value */
+ unsigned long get_dcr(unsigned short);
+
/* Validate arguments */
if (argc < 2) {
- printf("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
}
/* Get a DCR */
@@ -63,41 +64,57 @@ int do_getdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
*/
int do_setdcr ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
+ unsigned long get_dcr(unsigned short );
+ unsigned long set_dcr(unsigned short , unsigned long );
unsigned short dcrn; /* Device Control Register Num */
- unsigned long value; /* DCR's value */
+ unsigned long value;
+ /* DCR's value */
int nbytes;
extern char console_buffer[];
/* Validate arguments */
if (argc < 2) {
- printf("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
}
/* Set a DCR */
dcrn = (unsigned short)simple_strtoul(argv[1], NULL, 16);
do {
- value = get_dcr(dcrn);
- printf("%04x: %08lx", dcrn, value);
- nbytes = readline(" ? ");
- if (nbytes == 0) {
- /*
- * <CR> pressed as only input, don't modify current
- * location and exit command.
- */
- nbytes = 1;
- return 0;
- } else {
- unsigned long i;
- char *endp;
- i = simple_strtoul(console_buffer, &endp, 16);
- nbytes = endp - console_buffer;
- if (nbytes)
- set_dcr(dcrn, i);
- }
+ value = get_dcr(dcrn);
+ printf("%04x: %08lx", dcrn, value);
+ nbytes = readline(" ? ");
+ if (nbytes == 0) {
+ /*
+ * <CR> pressed as only input, don't modify current
+ * location and exit command.
+ */
+ nbytes = 1;
+ return 0;
+ } else {
+ unsigned long i;
+ char *endp;
+ i = simple_strtoul(console_buffer, &endp, 16);
+ nbytes = endp - console_buffer;
+ if (nbytes)
+ set_dcr(dcrn, i);
+ }
} while (nbytes);
return 0;
} /* do_setdcr */
+/***************************************************/
+
+cmd_tbl_t U_BOOT_CMD(GETDCR) = MK_CMD_ENTRY(
+ "getdcr", 2, 1, do_getdcr,
+ "getdcr - Get an IBM PPC 4xx DCR's value\n",
+ "dcrn - return a DCR's value.\n"
+);
+cmd_tbl_t U_BOOT_CMD(SETDCR) = MK_CMD_ENTRY(
+ "setdcr", 2, 1, do_setdcr,
+ "setdcr - Set an IBM PPC 4xx DCR's value\n",
+ "dcrn - set a DCR's value.\n"
+);
+
#endif /* CONFIG_4xx & CFG_CMD_SETGETDCR */