--- /dev/null
+/*
+ * (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 <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 * 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 = 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 = %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 = 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"
+);
Code Review / kvmfornfv.git / blobdiff