[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 * const argv[]);

/* ------------------------------------------------------------------------- */
int do_evb440spe(cmd_tbl_t *cmdtp, int flag, int argc, char * const 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 * const argv[])
{
	uchar	chip;
	ulong	data;
	int	nbytes;

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

	if (argc < 3)
		return cmd_usage(cmdtp);

	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"
);
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,
54841ab5	34	int flag, int argc, char * const argv[]);
6c5879f3	35
6c5879f3	36	/* ------------------------------------------------------------------------- */
54841ab5	37	int do_evb440spe(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
6c5879f3 MB	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,
54841ab5	49	int argc, char * const argv[])
6c5879f3 MB	50	{
	51	uchar chip;
	52	ulong data;
	53	int nbytes;
6c5879f3 MB	54
	55	char sysClock[4];
	56	char cpuClock[4];
	57	char plbClock[4];
	58	char pcixClock[4];
	59
47e26b1b WD	60	if (argc < 3)
47e26b1b WD	61	return cmd_usage(cmdtp);
6c5879f3 MB	62
	63	if (strcmp(argv[2], "prom0") == 0)
	64	chip = IIC0_BOOTPROM_ADDR;
	65	else
	66	chip = IIC0_ALT_BOOTPROM_ADDR;
	67
	68	do {
8ed44d91	69	printf("enter sys clock frequency 33 or 66 MHz or quit to abort\n");
6c5879f3 MB	70	nbytes = readline (" ? ");
	71
	72	if (strcmp(console_buffer, "quit") == 0)
	73	return 0;
	74
	75	if ((strcmp(console_buffer, "33") != 0) &
	76	(strcmp(console_buffer, "66") != 0))
	77	nbytes=0;
	78
	79	strcpy(sysClock, console_buffer);
	80
	81	} while (nbytes == 0);
	82
	83	do {
	84	if (strcmp(sysClock, "66") == 0) {
8ed44d91	85	printf("enter cpu clock frequency 400, 533 MHz or quit to abort\n");
6c5879f3 MB	86	} else {
6c5879f3 MB	87	#ifdef CONFIG_STRESS
8ed44d91	88	printf("enter cpu clock frequency 400, 500, 533, 667 MHz or quit to abort\n");
6c5879f3	89	#else
8ed44d91	90	printf("enter cpu clock frequency 400, 500, 533 MHz or quit to abort\n");
6c5879f3 MB	91	#endif
	92	}
	93	nbytes = readline (" ? ");
	94
	95	if (strcmp(console_buffer, "quit") == 0)
	96	return 0;
	97
	98	if (strcmp(sysClock, "66") == 0) {
	99	if ((strcmp(console_buffer, "400") != 0) &
	100	(strcmp(console_buffer, "533") != 0)
	101	#ifdef CONFIG_STRESS
	102	& (strcmp(console_buffer, "667") != 0)
	103	#endif
	104	) {
	105	nbytes = 0;
	106	}
	107	} else {
	108	if ((strcmp(console_buffer, "400") != 0) &
	109	(strcmp(console_buffer, "500") != 0) &
	110	(strcmp(console_buffer, "533") != 0)
	111	#ifdef CONFIG_STRESS
	112	& (strcmp(console_buffer, "667") != 0)
	113	#endif
	114	) {
	115	nbytes = 0;
	116	}
	117	}
	118
	119	strcpy(cpuClock, console_buffer);
	120
	121	} while (nbytes == 0);
	122
	123	if (strcmp(cpuClock, "500") == 0){
	124	strcpy(plbClock, "166");
	125	} else if (strcmp(cpuClock, "533") == 0){
	126	strcpy(plbClock, "133");
	127	} else {
	128	do {
	129	if (strcmp(cpuClock, "400") == 0)
8ed44d91	130	printf("enter plb clock frequency 100, 133 MHz or quit to abort\n");
6c5879f3 MB	131
	132	#ifdef CONFIG_STRESS
	133	if (strcmp(cpuClock, "667") == 0)
8ed44d91	134	printf("enter plb clock frequency 133, 166 MHz or quit to abort\n");
6c5879f3 MB	135
	136	#endif
	137	nbytes = readline (" ? ");
	138
	139	if (strcmp(console_buffer, "quit") == 0)
	140	return 0;
	141
	142	if (strcmp(cpuClock, "400") == 0) {
	143	if ((strcmp(console_buffer, "100") != 0) &
	144	(strcmp(console_buffer, "133") != 0))
	145	nbytes = 0;
	146	}
	147	#ifdef CONFIG_STRESS
	148	if (strcmp(cpuClock, "667") == 0) {
	149	if ((strcmp(console_buffer, "133") != 0) &
	150	(strcmp(console_buffer, "166") != 0))
	151	nbytes = 0;
	152	}
	153	#endif
	154	strcpy(plbClock, console_buffer);
	155
	156	} while (nbytes == 0);
	157	}
	158
	159	do {
8ed44d91	160	printf("enter Pci-X clock frequency 33, 66, 100 or 133 MHz or quit to abort\n");
6c5879f3 MB	161	nbytes = readline (" ? ");
	162
	163	if (strcmp(console_buffer, "quit") == 0)
	164	return 0;
	165
	166	if ((strcmp(console_buffer, "33") != 0) &
	167	(strcmp(console_buffer, "66") != 0) &
	168	(strcmp(console_buffer, "100") != 0) &
	169	(strcmp(console_buffer, "133") != 0)) {
	170	nbytes = 0;
	171	}
	172	strcpy(pcixClock, console_buffer);
	173
	174	} while (nbytes == 0);
	175
8ed44d91 WD	176	printf("\nsys clk = %s MHz\n", sysClock);
	177	printf("cpu clk = %s MHz\n", cpuClock);
	178	printf("plb clk = %s MHz\n", plbClock);
	179	printf("Pci-X clk = %s MHz\n", pcixClock);
6c5879f3 MB	180
	181	do {
	182	printf("\npress [y] to write I2C bootstrap \n");
	183	printf("or [n] to abort. \n");
	184	printf("Don't forget to set board switches \n");
	185	printf("according to your choice before re-starting \n");
	186	printf("(refer to 440spe_uboot_kit_um_1_01.pdf) \n");
	187
	188	nbytes = readline (" ? ");
	189	if (strcmp(console_buffer, "n") == 0)
	190	return 0;
	191
	192	} while (nbytes == 0);
	193
	194	if (strcmp(sysClock, "33") == 0) {
	195	if ((strcmp(cpuClock, "400") == 0) &
	196	(strcmp(plbClock, "100") == 0))
	197	data = 0x8678c206;
	198
	199	if ((strcmp(cpuClock, "400") == 0) &
	200	(strcmp(plbClock, "133") == 0))
	201	data = 0x8678c2c6;
	202
	203	if ((strcmp(cpuClock, "500") == 0))
	204	data = 0x8778f2c6;
	205
	206	if ((strcmp(cpuClock, "533") == 0))
	207	data = 0x87790252;
	208
	209	#ifdef CONFIG_STRESS
	210	if ((strcmp(cpuClock, "667") == 0) &
	211	(strcmp(plbClock, "133") == 0))
	212	data = 0x87794256;
	213
	214	if ((strcmp(cpuClock, "667") == 0) &
	215	(strcmp(plbClock, "166") == 0))
	216	data = 0x87794206;
	217
	218	#endif
	219	}
	220	if (strcmp(sysClock, "66") == 0) {
	221	if ((strcmp(cpuClock, "400") == 0) &
	222	(strcmp(plbClock, "100") == 0))
	223	data = 0x84706206;
	224
	225	if ((strcmp(cpuClock, "400") == 0) &
	226	(strcmp(plbClock, "133") == 0))
	227	data = 0x847062c6;
	228
	229	if ((strcmp(cpuClock, "533") == 0))
	230	data = 0x85708206;
	231
	232	#ifdef CONFIG_STRESS
	233	if ((strcmp(cpuClock, "667") == 0) &
	234	(strcmp(plbClock, "133") == 0))
	235	data = 0x8570a256;
	236
	237	if ((strcmp(cpuClock, "667") == 0) &
	238	(strcmp(plbClock, "166") == 0))
	239	data = 0x8570a206;
	240
	241	#endif
	242	}
	243
244	#ifdef DEBUG
245	printf(" pin strap0 to write in i2c = %x\n", data);
246	#endif /* DEBUG */
247
248	if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
249	printf("Error writing strap0 in %s\n", argv[2]);
250
251	if (strcmp(pcixClock, "33") == 0)
252	data = 0x00000701;
253
254	if (strcmp(pcixClock, "66") == 0)
255	data = 0x00000601;
256
257	if (strcmp(pcixClock, "100") == 0)
258	data = 0x00000501;
259
260	if (strcmp(pcixClock, "133") == 0)
261	data = 0x00000401;
262
263	if (strcmp(plbClock, "166") == 0)
264	data = data \| 0x05950000;
265	else
266	data = data \| 0x05A50000;
267
268	#ifdef DEBUG
269	printf(" pin strap1 to write in i2c = %x\n", data);
270	#endif /* DEBUG */
271
272	udelay(1000);
273	if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
274	printf("Error writing strap1 in %s\n", argv[2]);
275
276	return 0;
277	}
278
279	U_BOOT_CMD(
280	evb440spe, 3, 1, do_evb440spe,
2fb2604d	281	"program the serial device strap",
a89c33db	282	"wrclk [prom0\|prom1] - program the serial device strap"
6c5879f3	283	);