diff options
Diffstat (limited to 'common/cmd_dcr.c')
| -rw-r--r-- | common/cmd_dcr.c | 116 | 
1 files changed, 59 insertions, 57 deletions
| diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c index 3e4e08f95..5842471df 100644 --- a/common/cmd_dcr.c +++ b/common/cmd_dcr.c @@ -22,7 +22,7 @@   */  /* - * IBM 4XX DCR Functions + * AMCC 4XX DCR Functions   */  #include <common.h> @@ -31,89 +31,91 @@  #if defined(CONFIG_4xx) && (CONFIG_COMMANDS & CFG_CMD_SETGETDCR) -/* ====================================================================== - * Interpreter command to retrieve an IBM PPC 4xx Device Control Register - * ====================================================================== +/* ======================================================================= + * Interpreter command to retrieve an AMCC PPC 4xx Device Control Register + * =======================================================================   */  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 short dcrn;	/* Device Control Register Num */ +	unsigned long value;	/* DCR's value */ -    unsigned long get_dcr(unsigned short); +	unsigned long get_dcr (unsigned short); -    /* Validate arguments */ -    if (argc < 2) { -	printf("Usage:\n%s\n", cmdtp->usage); -	return 1; -    } +	/* Validate arguments */ +	if (argc < 2) { +		printf ("Usage:\n%s\n", cmdtp->usage); +		return 1; +	} -    /* Get a DCR */ -    dcrn = (unsigned short)simple_strtoul(argv[ 1 ], NULL, 16); -    value = get_dcr(dcrn); +	/* Get a DCR */ +	dcrn = (unsigned short) simple_strtoul (argv[1], NULL, 16); +	value = get_dcr (dcrn); -    printf("%04x: %08lx\n", dcrn, value); +	printf ("%04x: %08lx\n", dcrn, value); -    return 0; -} /* do_getdcr */ +	return 0; +}  /* ====================================================================== - * Interpreter command to set an IBM PPC 4xx Device Control Register + * Interpreter command to set an AMCC PPC 4xx Device Control Register   * ======================================================================  */ -int do_setdcr ( 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 */ -    int nbytes; -    extern char console_buffer[]; +	unsigned long get_dcr (unsigned short); +	unsigned long set_dcr (unsigned short, unsigned long); +	unsigned short dcrn;	/* Device Control Register Num */ +	unsigned long value; -    /* Validate arguments */ -    if (argc < 2) { -	printf("Usage:\n%s\n", cmdtp->usage); -	return 1; -    } +	/* DCR's value */ +	int nbytes; +	extern char console_buffer[]; -    /* 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); +	/* Validate arguments */ +	if (argc < 2) { +		printf ("Usage:\n%s\n", cmdtp->usage); +		return 1;  	} -    } while (nbytes); -    return 0; -} /* do_setdcr */ +	/* 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); +		} +	} while (nbytes); + +	return 0; +}  /***************************************************/  U_BOOT_CMD(  	getdcr,	2,	1,	do_getdcr, -	"getdcr  - Get an IBM PPC 4xx DCR's value\n", +	"getdcr  - Get an AMCC PPC 4xx DCR's value\n",  	"dcrn - return a DCR's value.\n"  );  U_BOOT_CMD(  	setdcr,	2,	1,	do_setdcr, -	"setdcr  - Set an IBM PPC 4xx DCR's value\n", +	"setdcr  - Set an AMCC PPC 4xx DCR's value\n",  	"dcrn - set a DCR's value.\n"  ); |