From 6c5879f380be38d85fef0d3aba3353358f4b2ff4 Mon Sep 17 00:00:00 2001 From: Marian Balakowicz Date: Fri, 30 Jun 2006 16:30:46 +0200 Subject: Add support for AMCC 440SPe CPU based eval board (Yucca). --- board/amcc/yucca/cmd_yucca.c | 288 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 288 insertions(+) create mode 100644 board/amcc/yucca/cmd_yucca.c (limited to 'board/amcc/yucca/cmd_yucca.c') diff --git a/board/amcc/yucca/cmd_yucca.c b/board/amcc/yucca/cmd_yucca.c new file mode 100644 index 0000000000..9c7afb263f --- /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 +#include +#include "yucca.h" +#include +#include + +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" +); -- cgit v1.2.3