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

/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
 *
 * SPDX-License-Identifier:	GPL-2.0+
 *
 * 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	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
6c5879f3 MB	6	*
	7	* hacked for evb440spe
	8	*/
	9
	10	#include <common.h>
	11	#include <command.h>
	12	#include "yucca.h"
	13	#include <i2c.h>
	14	#include <asm/byteorder.h>
	15
	16	extern void print_evb440spe_info(void);
b87dfd28	17	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag,
54841ab5	18	int flag, int argc, char * const argv[]);
6c5879f3	19
6c5879f3	20	/* ------------------------------------------------------------------------- */
54841ab5	21	int do_evb440spe(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
6c5879f3 MB	22	{
	23	return setBootStrapClock (cmdtp, 1, flag, argc, argv);
	24	}
	25
	26	/* ------------------------------------------------------------------------- */
	27	/* Modify memory.
	28	*
	29	* Syntax:
	30	* evb440spe wrclk prom0,prom1
	31	*/
	32	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
54841ab5	33	int argc, char * const argv[])
6c5879f3 MB	34	{
	35	uchar chip;
	36	ulong data;
	37	int nbytes;
6c5879f3 MB	38
	39	char sysClock[4];
	40	char cpuClock[4];
	41	char plbClock[4];
	42	char pcixClock[4];
	43
47e26b1b WD	44	if (argc < 3)
47e26b1b WD	45	return cmd_usage(cmdtp);
6c5879f3 MB	46
	47	if (strcmp(argv[2], "prom0") == 0)
	48	chip = IIC0_BOOTPROM_ADDR;
	49	else
	50	chip = IIC0_ALT_BOOTPROM_ADDR;
	51
	52	do {
8ed44d91	53	printf("enter sys clock frequency 33 or 66 MHz or quit to abort\n");
6c5879f3 MB	54	nbytes = readline (" ? ");
	55
	56	if (strcmp(console_buffer, "quit") == 0)
	57	return 0;
	58
	59	if ((strcmp(console_buffer, "33") != 0) &
	60	(strcmp(console_buffer, "66") != 0))
	61	nbytes=0;
	62
	63	strcpy(sysClock, console_buffer);
	64
	65	} while (nbytes == 0);
	66
	67	do {
	68	if (strcmp(sysClock, "66") == 0) {
8ed44d91	69	printf("enter cpu clock frequency 400, 533 MHz or quit to abort\n");
6c5879f3 MB	70	} else {
6c5879f3 MB	71	#ifdef CONFIG_STRESS
8ed44d91	72	printf("enter cpu clock frequency 400, 500, 533, 667 MHz or quit to abort\n");
6c5879f3	73	#else
8ed44d91	74	printf("enter cpu clock frequency 400, 500, 533 MHz or quit to abort\n");
6c5879f3 MB	75	#endif
	76	}
	77	nbytes = readline (" ? ");
	78
	79	if (strcmp(console_buffer, "quit") == 0)
	80	return 0;
	81
	82	if (strcmp(sysClock, "66") == 0) {
	83	if ((strcmp(console_buffer, "400") != 0) &
	84	(strcmp(console_buffer, "533") != 0)
	85	#ifdef CONFIG_STRESS
	86	& (strcmp(console_buffer, "667") != 0)
	87	#endif
	88	) {
	89	nbytes = 0;
	90	}
	91	} else {
	92	if ((strcmp(console_buffer, "400") != 0) &
	93	(strcmp(console_buffer, "500") != 0) &
	94	(strcmp(console_buffer, "533") != 0)
	95	#ifdef CONFIG_STRESS
	96	& (strcmp(console_buffer, "667") != 0)
	97	#endif
	98	) {
	99	nbytes = 0;
	100	}
	101	}
	102
	103	strcpy(cpuClock, console_buffer);
	104
	105	} while (nbytes == 0);
	106
	107	if (strcmp(cpuClock, "500") == 0){
	108	strcpy(plbClock, "166");
	109	} else if (strcmp(cpuClock, "533") == 0){
	110	strcpy(plbClock, "133");
	111	} else {
	112	do {
	113	if (strcmp(cpuClock, "400") == 0)
8ed44d91	114	printf("enter plb clock frequency 100, 133 MHz or quit to abort\n");
6c5879f3 MB	115
	116	#ifdef CONFIG_STRESS
	117	if (strcmp(cpuClock, "667") == 0)
8ed44d91	118	printf("enter plb clock frequency 133, 166 MHz or quit to abort\n");
6c5879f3 MB	119
	120	#endif
	121	nbytes = readline (" ? ");
	122
	123	if (strcmp(console_buffer, "quit") == 0)
	124	return 0;
	125
	126	if (strcmp(cpuClock, "400") == 0) {
	127	if ((strcmp(console_buffer, "100") != 0) &
	128	(strcmp(console_buffer, "133") != 0))
	129	nbytes = 0;
	130	}
	131	#ifdef CONFIG_STRESS
	132	if (strcmp(cpuClock, "667") == 0) {
	133	if ((strcmp(console_buffer, "133") != 0) &
	134	(strcmp(console_buffer, "166") != 0))
	135	nbytes = 0;
	136	}
	137	#endif
	138	strcpy(plbClock, console_buffer);
	139
	140	} while (nbytes == 0);
	141	}
	142
	143	do {
8ed44d91	144	printf("enter Pci-X clock frequency 33, 66, 100 or 133 MHz or quit to abort\n");
6c5879f3 MB	145	nbytes = readline (" ? ");
	146
	147	if (strcmp(console_buffer, "quit") == 0)
	148	return 0;
	149
	150	if ((strcmp(console_buffer, "33") != 0) &
	151	(strcmp(console_buffer, "66") != 0) &
	152	(strcmp(console_buffer, "100") != 0) &
	153	(strcmp(console_buffer, "133") != 0)) {
	154	nbytes = 0;
	155	}
	156	strcpy(pcixClock, console_buffer);
	157
	158	} while (nbytes == 0);
	159
8ed44d91 WD	160	printf("\nsys clk = %s MHz\n", sysClock);
	161	printf("cpu clk = %s MHz\n", cpuClock);
	162	printf("plb clk = %s MHz\n", plbClock);
	163	printf("Pci-X clk = %s MHz\n", pcixClock);
6c5879f3 MB	164
	165	do {
	166	printf("\npress [y] to write I2C bootstrap \n");
	167	printf("or [n] to abort. \n");
	168	printf("Don't forget to set board switches \n");
	169	printf("according to your choice before re-starting \n");
	170	printf("(refer to 440spe_uboot_kit_um_1_01.pdf) \n");
	171
	172	nbytes = readline (" ? ");
	173	if (strcmp(console_buffer, "n") == 0)
	174	return 0;
	175
	176	} while (nbytes == 0);
	177
	178	if (strcmp(sysClock, "33") == 0) {
	179	if ((strcmp(cpuClock, "400") == 0) &
	180	(strcmp(plbClock, "100") == 0))
	181	data = 0x8678c206;
	182
	183	if ((strcmp(cpuClock, "400") == 0) &
	184	(strcmp(plbClock, "133") == 0))
	185	data = 0x8678c2c6;
	186
	187	if ((strcmp(cpuClock, "500") == 0))
	188	data = 0x8778f2c6;
	189
	190	if ((strcmp(cpuClock, "533") == 0))
	191	data = 0x87790252;
	192
	193	#ifdef CONFIG_STRESS
	194	if ((strcmp(cpuClock, "667") == 0) &
	195	(strcmp(plbClock, "133") == 0))
	196	data = 0x87794256;
	197
	198	if ((strcmp(cpuClock, "667") == 0) &
	199	(strcmp(plbClock, "166") == 0))
	200	data = 0x87794206;
	201
	202	#endif
	203	}
	204	if (strcmp(sysClock, "66") == 0) {
	205	if ((strcmp(cpuClock, "400") == 0) &
	206	(strcmp(plbClock, "100") == 0))
	207	data = 0x84706206;
	208
	209	if ((strcmp(cpuClock, "400") == 0) &
	210	(strcmp(plbClock, "133") == 0))
	211	data = 0x847062c6;
	212
	213	if ((strcmp(cpuClock, "533") == 0))
	214	data = 0x85708206;
	215
	216	#ifdef CONFIG_STRESS
	217	if ((strcmp(cpuClock, "667") == 0) &
	218	(strcmp(plbClock, "133") == 0))
	219	data = 0x8570a256;
	220
	221	if ((strcmp(cpuClock, "667") == 0) &
	222	(strcmp(plbClock, "166") == 0))
	223	data = 0x8570a206;
	224
	225	#endif
	226	}
	227
228	#ifdef DEBUG
229	printf(" pin strap0 to write in i2c = %x\n", data);
230	#endif /* DEBUG */
231
232	if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
233	printf("Error writing strap0 in %s\n", argv[2]);
234
235	if (strcmp(pcixClock, "33") == 0)
236	data = 0x00000701;
237
238	if (strcmp(pcixClock, "66") == 0)
239	data = 0x00000601;
240
241	if (strcmp(pcixClock, "100") == 0)
242	data = 0x00000501;
243
244	if (strcmp(pcixClock, "133") == 0)
245	data = 0x00000401;
246
247	if (strcmp(plbClock, "166") == 0)
248	data = data \| 0x05950000;
249	else
250	data = data \| 0x05A50000;
251
252	#ifdef DEBUG
253	printf(" pin strap1 to write in i2c = %x\n", data);
254	#endif /* DEBUG */
255
256	udelay(1000);
257	if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
258	printf("Error writing strap1 in %s\n", argv[2]);
259
260	return 0;
261	}
262
263	U_BOOT_CMD(
264	evb440spe, 3, 1, do_evb440spe,
2fb2604d	265	"program the serial device strap",
a89c33db	266	"wrclk [prom0\|prom1] - program the serial device strap"
6c5879f3	267	);