[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 <cli.h>
#include <command.h>
#include <console.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 = cli_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 = cli_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 = cli_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 = cli_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 = cli_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>
18d66533	11	#include <cli.h>
6c5879f3	12	#include <command.h>
24b852a7	13	#include <console.h>
6c5879f3 MB	14	#include "yucca.h"
	15	#include <i2c.h>
	16	#include <asm/byteorder.h>
	17
	18	extern void print_evb440spe_info(void);
b87dfd28	19	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag,
54841ab5	20	int flag, int argc, char * const argv[]);
6c5879f3	21
6c5879f3	22	/* ------------------------------------------------------------------------- */
54841ab5	23	int do_evb440spe(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
6c5879f3 MB	24	{
	25	return setBootStrapClock (cmdtp, 1, flag, argc, argv);
	26	}
	27
	28	/* ------------------------------------------------------------------------- */
	29	/* Modify memory.
	30	*
	31	* Syntax:
	32	* evb440spe wrclk prom0,prom1
	33	*/
	34	static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
54841ab5	35	int argc, char * const argv[])
6c5879f3 MB	36	{
	37	uchar chip;
	38	ulong data;
	39	int nbytes;
6c5879f3 MB	40
	41	char sysClock[4];
	42	char cpuClock[4];
	43	char plbClock[4];
	44	char pcixClock[4];
	45
47e26b1b WD	46	if (argc < 3)
47e26b1b WD	47	return cmd_usage(cmdtp);
6c5879f3 MB	48
	49	if (strcmp(argv[2], "prom0") == 0)
	50	chip = IIC0_BOOTPROM_ADDR;
	51	else
	52	chip = IIC0_ALT_BOOTPROM_ADDR;
	53
	54	do {
8ed44d91	55	printf("enter sys clock frequency 33 or 66 MHz or quit to abort\n");
e1bf824d	56	nbytes = cli_readline(" ? ");
6c5879f3 MB	57
	58	if (strcmp(console_buffer, "quit") == 0)
	59	return 0;
	60
	61	if ((strcmp(console_buffer, "33") != 0) &
	62	(strcmp(console_buffer, "66") != 0))
	63	nbytes=0;
	64
	65	strcpy(sysClock, console_buffer);
	66
	67	} while (nbytes == 0);
	68
	69	do {
	70	if (strcmp(sysClock, "66") == 0) {
8ed44d91	71	printf("enter cpu clock frequency 400, 533 MHz or quit to abort\n");
6c5879f3 MB	72	} else {
6c5879f3 MB	73	#ifdef CONFIG_STRESS
8ed44d91	74	printf("enter cpu clock frequency 400, 500, 533, 667 MHz or quit to abort\n");
6c5879f3	75	#else
8ed44d91	76	printf("enter cpu clock frequency 400, 500, 533 MHz or quit to abort\n");
6c5879f3 MB	77	#endif
6c5879f3 MB	78	}
e1bf824d	79	nbytes = cli_readline(" ? ");
6c5879f3 MB	80
	81	if (strcmp(console_buffer, "quit") == 0)
	82	return 0;
	83
	84	if (strcmp(sysClock, "66") == 0) {
	85	if ((strcmp(console_buffer, "400") != 0) &
	86	(strcmp(console_buffer, "533") != 0)
	87	#ifdef CONFIG_STRESS
	88	& (strcmp(console_buffer, "667") != 0)
	89	#endif
	90	) {
	91	nbytes = 0;
	92	}
	93	} else {
	94	if ((strcmp(console_buffer, "400") != 0) &
	95	(strcmp(console_buffer, "500") != 0) &
	96	(strcmp(console_buffer, "533") != 0)
	97	#ifdef CONFIG_STRESS
	98	& (strcmp(console_buffer, "667") != 0)
	99	#endif
	100	) {
	101	nbytes = 0;
	102	}
	103	}
	104
	105	strcpy(cpuClock, console_buffer);
	106
	107	} while (nbytes == 0);
	108
	109	if (strcmp(cpuClock, "500") == 0){
	110	strcpy(plbClock, "166");
	111	} else if (strcmp(cpuClock, "533") == 0){
	112	strcpy(plbClock, "133");
	113	} else {
	114	do {
	115	if (strcmp(cpuClock, "400") == 0)
8ed44d91	116	printf("enter plb clock frequency 100, 133 MHz or quit to abort\n");
6c5879f3 MB	117
	118	#ifdef CONFIG_STRESS
	119	if (strcmp(cpuClock, "667") == 0)
8ed44d91	120	printf("enter plb clock frequency 133, 166 MHz or quit to abort\n");
6c5879f3 MB	121
6c5879f3 MB	122	#endif
e1bf824d	123	nbytes = cli_readline(" ? ");
6c5879f3 MB	124
	125	if (strcmp(console_buffer, "quit") == 0)
	126	return 0;
	127
	128	if (strcmp(cpuClock, "400") == 0) {
	129	if ((strcmp(console_buffer, "100") != 0) &
	130	(strcmp(console_buffer, "133") != 0))
	131	nbytes = 0;
	132	}
	133	#ifdef CONFIG_STRESS
	134	if (strcmp(cpuClock, "667") == 0) {
	135	if ((strcmp(console_buffer, "133") != 0) &
	136	(strcmp(console_buffer, "166") != 0))
	137	nbytes = 0;
	138	}
	139	#endif
	140	strcpy(plbClock, console_buffer);
	141
	142	} while (nbytes == 0);
	143	}
	144
	145	do {
8ed44d91	146	printf("enter Pci-X clock frequency 33, 66, 100 or 133 MHz or quit to abort\n");
e1bf824d	147	nbytes = cli_readline(" ? ");
6c5879f3 MB	148
	149	if (strcmp(console_buffer, "quit") == 0)
	150	return 0;
	151
	152	if ((strcmp(console_buffer, "33") != 0) &
	153	(strcmp(console_buffer, "66") != 0) &
	154	(strcmp(console_buffer, "100") != 0) &
	155	(strcmp(console_buffer, "133") != 0)) {
	156	nbytes = 0;
	157	}
	158	strcpy(pcixClock, console_buffer);
	159
	160	} while (nbytes == 0);
	161
8ed44d91 WD	162	printf("\nsys clk = %s MHz\n", sysClock);
	163	printf("cpu clk = %s MHz\n", cpuClock);
	164	printf("plb clk = %s MHz\n", plbClock);
	165	printf("Pci-X clk = %s MHz\n", pcixClock);
6c5879f3 MB	166
6c5879f3 MB	167	do {
e1bf824d SG	168	printf("\npress [y] to write I2C bootstrap\n");
	169	printf("or [n] to abort.\n");
	170	printf("Don't forget to set board switches\n");
	171	printf("according to your choice before re-starting\n");
	172	printf("(refer to 440spe_uboot_kit_um_1_01.pdf)\n");
6c5879f3	173
e1bf824d	174	nbytes = cli_readline(" ? ");
6c5879f3 MB	175	if (strcmp(console_buffer, "n") == 0)
	176	return 0;
	177
	178	} while (nbytes == 0);
	179
	180	if (strcmp(sysClock, "33") == 0) {
	181	if ((strcmp(cpuClock, "400") == 0) &
	182	(strcmp(plbClock, "100") == 0))
	183	data = 0x8678c206;
	184
	185	if ((strcmp(cpuClock, "400") == 0) &
	186	(strcmp(plbClock, "133") == 0))
	187	data = 0x8678c2c6;
	188
	189	if ((strcmp(cpuClock, "500") == 0))
	190	data = 0x8778f2c6;
	191
	192	if ((strcmp(cpuClock, "533") == 0))
	193	data = 0x87790252;
	194
	195	#ifdef CONFIG_STRESS
	196	if ((strcmp(cpuClock, "667") == 0) &
	197	(strcmp(plbClock, "133") == 0))
	198	data = 0x87794256;
	199
	200	if ((strcmp(cpuClock, "667") == 0) &
	201	(strcmp(plbClock, "166") == 0))
	202	data = 0x87794206;
	203
	204	#endif
	205	}
	206	if (strcmp(sysClock, "66") == 0) {
	207	if ((strcmp(cpuClock, "400") == 0) &
	208	(strcmp(plbClock, "100") == 0))
	209	data = 0x84706206;
	210
	211	if ((strcmp(cpuClock, "400") == 0) &
	212	(strcmp(plbClock, "133") == 0))
	213	data = 0x847062c6;
	214
	215	if ((strcmp(cpuClock, "533") == 0))
	216	data = 0x85708206;
	217
	218	#ifdef CONFIG_STRESS
	219	if ((strcmp(cpuClock, "667") == 0) &
	220	(strcmp(plbClock, "133") == 0))
	221	data = 0x8570a256;
	222
	223	if ((strcmp(cpuClock, "667") == 0) &
	224	(strcmp(plbClock, "166") == 0))
	225	data = 0x8570a206;
	226
	227	#endif
	228	}
	229
	230	#ifdef DEBUG
	231	printf(" pin strap0 to write in i2c = %x\n", data);
	232	#endif /* DEBUG */
	233
	234	if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
	235	printf("Error writing strap0 in %s\n", argv[2]);
	236
	237	if (strcmp(pcixClock, "33") == 0)
	238	data = 0x00000701;
239
240	if (strcmp(pcixClock, "66") == 0)
241	data = 0x00000601;
242
243	if (strcmp(pcixClock, "100") == 0)
244	data = 0x00000501;
245
246	if (strcmp(pcixClock, "133") == 0)
247	data = 0x00000401;
248
249	if (strcmp(plbClock, "166") == 0)
250	data = data \| 0x05950000;
251	else
252	data = data \| 0x05A50000;
253
254	#ifdef DEBUG
255	printf(" pin strap1 to write in i2c = %x\n", data);
256	#endif /* DEBUG */
257
258	udelay(1000);
259	if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
260	printf("Error writing strap1 in %s\n", argv[2]);
261
262	return 0;
263	}
264
265	U_BOOT_CMD(
266	evb440spe, 3, 1, do_evb440spe,
2fb2604d	267	"program the serial device strap",
a89c33db	268	"wrclk [prom0\|prom1] - program the serial device strap"
6c5879f3	269	);