Merge: Add support for AMCC 440SPe CPU based eval board (Yucca).

1 files changed, 288 insertions, 0 deletions

diff --git a/board/amcc/yucca/cmd_yucca.c b/board/amcc/yucca/cmd_yucca.c
new file mode 100644
index 0000000..9c7afb2
--- /dev/null
+++ b/board/amcc/yucca/cmd_yucca.c
@@ -0,0 +1,288 @@
+/*
+ * (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[]);
+
+extern int cmd_get_data_size(char* arg, int default_size);
+
+/* ------------------------------------------------------------------------- */
+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) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		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   = %sMhz\n", sysClock);
+	printf("cpu clk   = %sMhz\n", cpuClock);
+	printf("plb clk   = %sMhz\n", plbClock);
+	printf("Pci-X clk = %sMhz\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,
+	"evb440spe - program the serial device strap\n",
+	"wrclk [prom0|prom1] - program the serial device strap\n"
+);