[people/ms/u-boot.git] / board / amcc / yucca / cmd_yucca.c

/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
 *
 * 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
 *
 * hacked for evb440spe
 */

#include <common.h>
#include <command.h>
#include "yucca.h"
#include <i2c.h>
#include <asm/byteorder.h>

extern void print_evb440spe_info(void);
static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag,
		int flag, int argc, char *argv[]);

/* ------------------------------------------------------------------------- */
int do_evb440spe(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	return setBootStrapClock (cmdtp, 1, flag, argc, argv);
}

/* ------------------------------------------------------------------------- */
/* Modify memory.
 *
 * Syntax:
 *	evb440spe wrclk prom0,prom1
 */
static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
		int argc, char *argv[])
{
	uchar	chip;
	ulong	data;
	int	nbytes;
	extern char console_buffer[];

	char sysClock[4];
	char cpuClock[4];
	char plbClock[4];
	char pcixClock[4];

	if (argc < 3) {
		cmd_usage(cmdtp);
		return 1;
	}

	if (strcmp(argv[2], "prom0") == 0)
		chip = IIC0_BOOTPROM_ADDR;
	else
		chip = IIC0_ALT_BOOTPROM_ADDR;

	do {
		printf("enter sys clock frequency 33 or 66 MHz or quit to abort\n");
		nbytes = readline (" ? ");

		if (strcmp(console_buffer, "quit") == 0)
			return 0;

		if ((strcmp(console_buffer, "33") != 0) &
				(strcmp(console_buffer, "66") != 0))
			nbytes=0;

		strcpy(sysClock, console_buffer);

	} while (nbytes == 0);

	do {
		if (strcmp(sysClock, "66") == 0) {
			printf("enter cpu clock frequency 400, 533 MHz or quit to abort\n");
		} else {
#ifdef	CONFIG_STRESS
			printf("enter cpu clock frequency 400, 500, 533, 667 MHz or quit to abort\n");
#else
			printf("enter cpu clock frequency 400, 500, 533 MHz or quit to abort\n");
#endif
		}
		nbytes = readline (" ? ");

		if (strcmp(console_buffer, "quit") == 0)
			return 0;

		if (strcmp(sysClock, "66") == 0) {
			if ((strcmp(console_buffer, "400") != 0) &
					(strcmp(console_buffer, "533") != 0)
#ifdef	CONFIG_STRESS
					& (strcmp(console_buffer, "667") != 0)
#endif
			   ) {
				nbytes = 0;
			}
		} else {
			if ((strcmp(console_buffer, "400") != 0) &
					(strcmp(console_buffer, "500") != 0) &
					(strcmp(console_buffer, "533") != 0)
#ifdef	CONFIG_STRESS
					& (strcmp(console_buffer, "667") != 0)
#endif
			   ) {
				nbytes = 0;
			}
		}

		strcpy(cpuClock, console_buffer);

	} while (nbytes == 0);

	if (strcmp(cpuClock, "500") == 0){
		strcpy(plbClock, "166");
	} else if (strcmp(cpuClock, "533") == 0){
		strcpy(plbClock, "133");
	} else {
		do {
			if (strcmp(cpuClock, "400") == 0)
				printf("enter plb clock frequency 100, 133 MHz or quit to abort\n");

#ifdef	CONFIG_STRESS
			if (strcmp(cpuClock, "667") == 0)
				printf("enter plb clock frequency 133, 166 MHz or quit to abort\n");

#endif
			nbytes = readline (" ? ");

			if (strcmp(console_buffer, "quit") == 0)
				return 0;

			if (strcmp(cpuClock, "400") == 0) {
				if ((strcmp(console_buffer, "100") != 0) &
						(strcmp(console_buffer, "133") != 0))
					nbytes = 0;
			}
#ifdef	CONFIG_STRESS
			if (strcmp(cpuClock, "667") == 0) {
				if ((strcmp(console_buffer, "133") != 0) &
						(strcmp(console_buffer, "166") != 0))
					nbytes = 0;
			}
#endif
			strcpy(plbClock, console_buffer);

		} while (nbytes == 0);
	}

	do {
		printf("enter Pci-X clock frequency 33, 66, 100 or 133 MHz or quit to abort\n");
		nbytes = readline (" ? ");

		if (strcmp(console_buffer, "quit") == 0)
			return 0;

		if ((strcmp(console_buffer, "33") != 0) &
				(strcmp(console_buffer, "66") != 0) &
				(strcmp(console_buffer, "100") != 0) &
				(strcmp(console_buffer, "133") != 0)) {
			nbytes = 0;
		}
		strcpy(pcixClock, console_buffer);

	} while (nbytes == 0);

	printf("\nsys clk   = %s MHz\n", sysClock);
	printf("cpu clk   = %s MHz\n", cpuClock);
	printf("plb clk   = %s MHz\n", plbClock);
	printf("Pci-X clk = %s MHz\n", pcixClock);

	do {
		printf("\npress [y] to write I2C bootstrap \n");
		printf("or [n] to abort.  \n");
		printf("Don't forget to set board switches \n");
		printf("according to your choice before re-starting \n");
		printf("(refer to 440spe_uboot_kit_um_1_01.pdf) \n");

		nbytes = readline (" ? ");
		if (strcmp(console_buffer, "n") == 0)
			return 0;

	} while (nbytes == 0);

	if (strcmp(sysClock, "33") == 0) {
		if ((strcmp(cpuClock, "400") == 0) &
				(strcmp(plbClock, "100") == 0))
			data = 0x8678c206;

		if ((strcmp(cpuClock, "400") == 0) &
				(strcmp(plbClock, "133") == 0))
			data = 0x8678c2c6;

		if ((strcmp(cpuClock, "500") == 0))
			data = 0x8778f2c6;

		if ((strcmp(cpuClock, "533") == 0))
			data = 0x87790252;

#ifdef	CONFIG_STRESS
		if ((strcmp(cpuClock, "667") == 0) &
				(strcmp(plbClock, "133") == 0))
			data = 0x87794256;

		if ((strcmp(cpuClock, "667") == 0) &
				(strcmp(plbClock, "166") == 0))
			data = 0x87794206;

#endif
	}
	if (strcmp(sysClock, "66") == 0) {
		if ((strcmp(cpuClock, "400") == 0) &
				(strcmp(plbClock, "100") == 0))
			data = 0x84706206;

		if ((strcmp(cpuClock, "400") == 0) &
				(strcmp(plbClock, "133") == 0))
			data = 0x847062c6;

		if ((strcmp(cpuClock, "533") == 0))
			data = 0x85708206;

#ifdef	CONFIG_STRESS
		if ((strcmp(cpuClock, "667") == 0) &
				(strcmp(plbClock, "133") == 0))
			data = 0x8570a256;

		if ((strcmp(cpuClock, "667") == 0) &
				(strcmp(plbClock, "166") == 0))
			data = 0x8570a206;

#endif
	}

#ifdef	DEBUG
	printf(" pin strap0 to write in i2c  = %x\n", data);
#endif	/* DEBUG */

	if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
		printf("Error writing strap0 in %s\n", argv[2]);

	if (strcmp(pcixClock, "33") == 0)
		data = 0x00000701;

	if (strcmp(pcixClock, "66") == 0)
		data = 0x00000601;

	if (strcmp(pcixClock, "100") == 0)
		data = 0x00000501;

	if (strcmp(pcixClock, "133") == 0)
		data = 0x00000401;

	if (strcmp(plbClock, "166") == 0)
		data = data | 0x05950000;
	else
		data = data | 0x05A50000;

#ifdef	DEBUG
	printf(" pin strap1 to write in i2c  = %x\n", data);
#endif	/* DEBUG */

	udelay(1000);
	if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
		printf("Error writing strap1 in %s\n", argv[2]);

	return 0;
}

U_BOOT_CMD(
	evb440spe,	3,	1,	do_evb440spe,
	"program the serial device strap",
	"wrclk [prom0|prom1] - program the serial device strap\n"
);
Commit	Line	Data
6c5879f3 MB	1	/*
	2	* (C) Copyright 2001
	3	* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*
	23	* hacked for evb440spe
	24	*/
	25
	26	#include <common.h>
	27	#include <command.h>
	28	#include "yucca.h"
	29	#include <i2c.h>
	30	#include <asm/byteorder.h>
	31
	32	extern void print_evb440spe_info(void);
b87dfd28	33	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag,
6c5879f3 MB	34	int flag, int argc, char *argv[]);
6c5879f3 MB	35
6c5879f3 MB	36	/* ------------------------------------------------------------------------- */
	37	int do_evb440spe(cmd_tbl_t cmdtp, int flag, int argc, char argv[])
	38	{
	39	return setBootStrapClock (cmdtp, 1, flag, argc, argv);
	40	}
	41
	42	/* ------------------------------------------------------------------------- */
	43	/* Modify memory.
	44	*
	45	* Syntax:
	46	* evb440spe wrclk prom0,prom1
	47	*/
	48	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
	49	int argc, char *argv[])
	50	{
	51	uchar chip;
	52	ulong data;
	53	int nbytes;
	54	extern char console_buffer[];
	55
	56	char sysClock[4];
	57	char cpuClock[4];
	58	char plbClock[4];
	59	char pcixClock[4];
	60
	61	if (argc < 3) {
62c3ae7c	62	cmd_usage(cmdtp);
6c5879f3 MB	63	return 1;
	64	}
	65
	66	if (strcmp(argv[2], "prom0") == 0)
	67	chip = IIC0_BOOTPROM_ADDR;
	68	else
	69	chip = IIC0_ALT_BOOTPROM_ADDR;
	70
	71	do {
8ed44d91	72	printf("enter sys clock frequency 33 or 66 MHz or quit to abort\n");
6c5879f3 MB	73	nbytes = readline (" ? ");
	74
	75	if (strcmp(console_buffer, "quit") == 0)
	76	return 0;
	77
	78	if ((strcmp(console_buffer, "33") != 0) &
	79	(strcmp(console_buffer, "66") != 0))
	80	nbytes=0;
	81
	82	strcpy(sysClock, console_buffer);
	83
	84	} while (nbytes == 0);
	85
	86	do {
	87	if (strcmp(sysClock, "66") == 0) {
8ed44d91	88	printf("enter cpu clock frequency 400, 533 MHz or quit to abort\n");
6c5879f3 MB	89	} else {
6c5879f3 MB	90	#ifdef CONFIG_STRESS
8ed44d91	91	printf("enter cpu clock frequency 400, 500, 533, 667 MHz or quit to abort\n");
6c5879f3	92	#else
8ed44d91	93	printf("enter cpu clock frequency 400, 500, 533 MHz or quit to abort\n");
6c5879f3 MB	94	#endif
	95	}
	96	nbytes = readline (" ? ");
	97
	98	if (strcmp(console_buffer, "quit") == 0)
	99	return 0;
	100
	101	if (strcmp(sysClock, "66") == 0) {
	102	if ((strcmp(console_buffer, "400") != 0) &
	103	(strcmp(console_buffer, "533") != 0)
	104	#ifdef CONFIG_STRESS
	105	& (strcmp(console_buffer, "667") != 0)
	106	#endif
	107	) {
	108	nbytes = 0;
	109	}
	110	} else {
	111	if ((strcmp(console_buffer, "400") != 0) &
	112	(strcmp(console_buffer, "500") != 0) &
	113	(strcmp(console_buffer, "533") != 0)
	114	#ifdef CONFIG_STRESS
	115	& (strcmp(console_buffer, "667") != 0)
	116	#endif
	117	) {
	118	nbytes = 0;
	119	}
	120	}
	121
	122	strcpy(cpuClock, console_buffer);
	123
	124	} while (nbytes == 0);
	125
	126	if (strcmp(cpuClock, "500") == 0){
	127	strcpy(plbClock, "166");
	128	} else if (strcmp(cpuClock, "533") == 0){
	129	strcpy(plbClock, "133");
	130	} else {
	131	do {
	132	if (strcmp(cpuClock, "400") == 0)
8ed44d91	133	printf("enter plb clock frequency 100, 133 MHz or quit to abort\n");
6c5879f3 MB	134
	135	#ifdef CONFIG_STRESS
	136	if (strcmp(cpuClock, "667") == 0)
8ed44d91	137	printf("enter plb clock frequency 133, 166 MHz or quit to abort\n");
6c5879f3 MB	138
	139	#endif
	140	nbytes = readline (" ? ");
	141
	142	if (strcmp(console_buffer, "quit") == 0)
	143	return 0;
	144
	145	if (strcmp(cpuClock, "400") == 0) {
	146	if ((strcmp(console_buffer, "100") != 0) &
	147	(strcmp(console_buffer, "133") != 0))
	148	nbytes = 0;
	149	}
	150	#ifdef CONFIG_STRESS
	151	if (strcmp(cpuClock, "667") == 0) {
	152	if ((strcmp(console_buffer, "133") != 0) &
	153	(strcmp(console_buffer, "166") != 0))
	154	nbytes = 0;
	155	}
	156	#endif
	157	strcpy(plbClock, console_buffer);
	158
	159	} while (nbytes == 0);
	160	}
	161
	162	do {
8ed44d91	163	printf("enter Pci-X clock frequency 33, 66, 100 or 133 MHz or quit to abort\n");
6c5879f3 MB	164	nbytes = readline (" ? ");
	165
	166	if (strcmp(console_buffer, "quit") == 0)
	167	return 0;
	168
	169	if ((strcmp(console_buffer, "33") != 0) &
	170	(strcmp(console_buffer, "66") != 0) &
	171	(strcmp(console_buffer, "100") != 0) &
	172	(strcmp(console_buffer, "133") != 0)) {
	173	nbytes = 0;
	174	}
	175	strcpy(pcixClock, console_buffer);
	176
	177	} while (nbytes == 0);
	178
8ed44d91 WD	179	printf("\nsys clk = %s MHz\n", sysClock);
	180	printf("cpu clk = %s MHz\n", cpuClock);
	181	printf("plb clk = %s MHz\n", plbClock);
	182	printf("Pci-X clk = %s MHz\n", pcixClock);
6c5879f3 MB	183
	184	do {
	185	printf("\npress [y] to write I2C bootstrap \n");
	186	printf("or [n] to abort. \n");
	187	printf("Don't forget to set board switches \n");
	188	printf("according to your choice before re-starting \n");
	189	printf("(refer to 440spe_uboot_kit_um_1_01.pdf) \n");
	190
	191	nbytes = readline (" ? ");
	192	if (strcmp(console_buffer, "n") == 0)
	193	return 0;
	194
	195	} while (nbytes == 0);
	196
	197	if (strcmp(sysClock, "33") == 0) {
	198	if ((strcmp(cpuClock, "400") == 0) &
	199	(strcmp(plbClock, "100") == 0))
	200	data = 0x8678c206;
	201
	202	if ((strcmp(cpuClock, "400") == 0) &
	203	(strcmp(plbClock, "133") == 0))
	204	data = 0x8678c2c6;
	205
	206	if ((strcmp(cpuClock, "500") == 0))
	207	data = 0x8778f2c6;
	208
	209	if ((strcmp(cpuClock, "533") == 0))
	210	data = 0x87790252;
	211
	212	#ifdef CONFIG_STRESS
	213	if ((strcmp(cpuClock, "667") == 0) &
	214	(strcmp(plbClock, "133") == 0))
	215	data = 0x87794256;
	216
	217	if ((strcmp(cpuClock, "667") == 0) &
	218	(strcmp(plbClock, "166") == 0))
	219	data = 0x87794206;
	220
	221	#endif
	222	}
	223	if (strcmp(sysClock, "66") == 0) {
	224	if ((strcmp(cpuClock, "400") == 0) &
	225	(strcmp(plbClock, "100") == 0))
	226	data = 0x84706206;
	227
	228	if ((strcmp(cpuClock, "400") == 0) &
	229	(strcmp(plbClock, "133") == 0))
	230	data = 0x847062c6;
	231
	232	if ((strcmp(cpuClock, "533") == 0))
	233	data = 0x85708206;
	234
	235	#ifdef CONFIG_STRESS
	236	if ((strcmp(cpuClock, "667") == 0) &
	237	(strcmp(plbClock, "133") == 0))
	238	data = 0x8570a256;
	239
	240	if ((strcmp(cpuClock, "667") == 0) &
	241	(strcmp(plbClock, "166") == 0))
	242	data = 0x8570a206;
	243
	244	#endif
	245	}
	246
247	#ifdef DEBUG
248	printf(" pin strap0 to write in i2c = %x\n", data);
249	#endif /* DEBUG */
250
251	if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
252	printf("Error writing strap0 in %s\n", argv[2]);
253
254	if (strcmp(pcixClock, "33") == 0)
255	data = 0x00000701;
256
257	if (strcmp(pcixClock, "66") == 0)
258	data = 0x00000601;
259
260	if (strcmp(pcixClock, "100") == 0)
261	data = 0x00000501;
262
263	if (strcmp(pcixClock, "133") == 0)
264	data = 0x00000401;
265
266	if (strcmp(plbClock, "166") == 0)
267	data = data \| 0x05950000;
268	else
269	data = data \| 0x05A50000;
270
271	#ifdef DEBUG
272	printf(" pin strap1 to write in i2c = %x\n", data);
273	#endif /* DEBUG */
274
275	udelay(1000);
276	if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
277	printf("Error writing strap1 in %s\n", argv[2]);
278
279	return 0;
280	}
281
282	U_BOOT_CMD(
283	evb440spe, 3, 1, do_evb440spe,
2fb2604d	284	"program the serial device strap",
6c5879f3 MB	285	"wrclk [prom0\|prom1] - program the serial device strap\n"
6c5879f3 MB	286	);