mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
24b852a7a2
The console includes a global variable and several functions that are only used by a small subset of U-Boot files. Before adding more functions, move the definitions into their own header file. Signed-off-by: Simon Glass <sjg@chromium.org>
269 lines
6.2 KiB
C
269 lines
6.2 KiB
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"
|
|
);
|