mirror of
https://github.com/AsahiLinux/u-boot
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b87dfd2854
The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module
integrated in a little aluminium case.
Patch by Martin Krause, 8 Jun 2006
Some code cleanup
288 lines
7 KiB
C
288 lines
7 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* hacked for evb440spe
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*/
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#include <common.h>
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#include <command.h>
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#include "yucca.h"
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#include <i2c.h>
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#include <asm/byteorder.h>
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extern void print_evb440spe_info(void);
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static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag,
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int flag, int argc, char *argv[]);
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extern int cmd_get_data_size(char* arg, int default_size);
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/* ------------------------------------------------------------------------- */
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int do_evb440spe(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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return setBootStrapClock (cmdtp, 1, flag, argc, argv);
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}
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/* ------------------------------------------------------------------------- */
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/* Modify memory.
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*
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* Syntax:
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* evb440spe wrclk prom0,prom1
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*/
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static int setBootStrapClock(cmd_tbl_t *cmdtp, int incrflag, int flag,
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int argc, char *argv[])
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{
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uchar chip;
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ulong data;
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int nbytes;
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extern char console_buffer[];
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char sysClock[4];
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char cpuClock[4];
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char plbClock[4];
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char pcixClock[4];
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if (argc < 3) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if (strcmp(argv[2], "prom0") == 0)
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chip = IIC0_BOOTPROM_ADDR;
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else
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chip = IIC0_ALT_BOOTPROM_ADDR;
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do {
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printf("enter sys clock frequency 33 or 66 Mhz or quit to abort\n");
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if ((strcmp(console_buffer, "33") != 0) &
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(strcmp(console_buffer, "66") != 0))
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nbytes=0;
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strcpy(sysClock, console_buffer);
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} while (nbytes == 0);
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do {
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if (strcmp(sysClock, "66") == 0) {
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printf("enter cpu clock frequency 400, 533 Mhz or quit to abort\n");
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} else {
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#ifdef CONFIG_STRESS
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printf("enter cpu clock frequency 400, 500, 533, 667 Mhz or quit to abort\n");
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#else
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printf("enter cpu clock frequency 400, 500, 533 Mhz or quit to abort\n");
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#endif
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}
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if (strcmp(sysClock, "66") == 0) {
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if ((strcmp(console_buffer, "400") != 0) &
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(strcmp(console_buffer, "533") != 0)
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#ifdef CONFIG_STRESS
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& (strcmp(console_buffer, "667") != 0)
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#endif
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) {
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nbytes = 0;
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}
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} else {
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if ((strcmp(console_buffer, "400") != 0) &
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(strcmp(console_buffer, "500") != 0) &
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(strcmp(console_buffer, "533") != 0)
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#ifdef CONFIG_STRESS
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& (strcmp(console_buffer, "667") != 0)
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#endif
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) {
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nbytes = 0;
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}
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}
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strcpy(cpuClock, console_buffer);
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} while (nbytes == 0);
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if (strcmp(cpuClock, "500") == 0){
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strcpy(plbClock, "166");
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} else if (strcmp(cpuClock, "533") == 0){
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strcpy(plbClock, "133");
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} else {
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do {
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if (strcmp(cpuClock, "400") == 0)
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printf("enter plb clock frequency 100, 133 Mhz or quit to abort\n");
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#ifdef CONFIG_STRESS
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if (strcmp(cpuClock, "667") == 0)
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printf("enter plb clock frequency 133, 166 Mhz or quit to abort\n");
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#endif
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if (strcmp(cpuClock, "400") == 0) {
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if ((strcmp(console_buffer, "100") != 0) &
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(strcmp(console_buffer, "133") != 0))
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nbytes = 0;
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}
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#ifdef CONFIG_STRESS
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if (strcmp(cpuClock, "667") == 0) {
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if ((strcmp(console_buffer, "133") != 0) &
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(strcmp(console_buffer, "166") != 0))
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nbytes = 0;
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}
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#endif
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strcpy(plbClock, console_buffer);
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} while (nbytes == 0);
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}
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do {
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printf("enter Pci-X clock frequency 33, 66, 100 or 133 Mhz or quit to abort\n");
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "quit") == 0)
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return 0;
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if ((strcmp(console_buffer, "33") != 0) &
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(strcmp(console_buffer, "66") != 0) &
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(strcmp(console_buffer, "100") != 0) &
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(strcmp(console_buffer, "133") != 0)) {
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nbytes = 0;
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}
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strcpy(pcixClock, console_buffer);
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} while (nbytes == 0);
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printf("\nsys clk = %sMhz\n", sysClock);
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printf("cpu clk = %sMhz\n", cpuClock);
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printf("plb clk = %sMhz\n", plbClock);
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printf("Pci-X clk = %sMhz\n", pcixClock);
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do {
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printf("\npress [y] to write I2C bootstrap \n");
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printf("or [n] to abort. \n");
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printf("Don't forget to set board switches \n");
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printf("according to your choice before re-starting \n");
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printf("(refer to 440spe_uboot_kit_um_1_01.pdf) \n");
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nbytes = readline (" ? ");
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if (strcmp(console_buffer, "n") == 0)
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return 0;
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} while (nbytes == 0);
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if (strcmp(sysClock, "33") == 0) {
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "100") == 0))
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data = 0x8678c206;
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x8678c2c6;
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if ((strcmp(cpuClock, "500") == 0))
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data = 0x8778f2c6;
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if ((strcmp(cpuClock, "533") == 0))
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data = 0x87790252;
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#ifdef CONFIG_STRESS
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x87794256;
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "166") == 0))
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data = 0x87794206;
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#endif
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}
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if (strcmp(sysClock, "66") == 0) {
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "100") == 0))
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data = 0x84706206;
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if ((strcmp(cpuClock, "400") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x847062c6;
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if ((strcmp(cpuClock, "533") == 0))
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data = 0x85708206;
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#ifdef CONFIG_STRESS
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "133") == 0))
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data = 0x8570a256;
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if ((strcmp(cpuClock, "667") == 0) &
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(strcmp(plbClock, "166") == 0))
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data = 0x8570a206;
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#endif
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}
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#ifdef DEBUG
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printf(" pin strap0 to write in i2c = %x\n", data);
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#endif /* DEBUG */
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if (i2c_write(chip, 0, 1, (uchar *)&data, 4) != 0)
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printf("Error writing strap0 in %s\n", argv[2]);
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if (strcmp(pcixClock, "33") == 0)
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data = 0x00000701;
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if (strcmp(pcixClock, "66") == 0)
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data = 0x00000601;
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if (strcmp(pcixClock, "100") == 0)
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data = 0x00000501;
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if (strcmp(pcixClock, "133") == 0)
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data = 0x00000401;
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if (strcmp(plbClock, "166") == 0)
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data = data | 0x05950000;
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else
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data = data | 0x05A50000;
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#ifdef DEBUG
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printf(" pin strap1 to write in i2c = %x\n", data);
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#endif /* DEBUG */
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udelay(1000);
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if (i2c_write(chip, 4, 1, (uchar *)&data, 4) != 0)
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printf("Error writing strap1 in %s\n", argv[2]);
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return 0;
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}
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U_BOOT_CMD(
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evb440spe, 3, 1, do_evb440spe,
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"evb440spe - program the serial device strap\n",
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"wrclk [prom0|prom1] - program the serial device strap\n"
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);
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