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/*
* (C) Copyright 2001-2003
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <command.h>
#include <malloc.h>
#include <net.h>
#include <pci.h>
DECLARE_GLOBAL_DATA_PTR;
extern void __ft_board_setup(void *blob, bd_t *bd);
#undef FPGA_DEBUG
/* fpga configuration data - generated by bin2cc */
const unsigned char fpgadata[] =
{
#if defined(CONFIG_CPCI405_VER2)
# include "fpgadata_cpci4052.c"
#endif
};
/*
* include common fpga code (for esd boards)
*/
#include "../common/fpga.c"
/* Prototypes */
int cpci405_version(void);
void lxt971_no_sleep(void);
int board_early_init_f(void)
{
#ifndef CONFIG_CPCI405_VER2
int index, len, i;
int status;
#endif
#ifdef FPGA_DEBUG
/* set up serial port with default baudrate */
(void)get_clocks();
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
console_init_f();
#endif
/*
* First pull fpga-prg pin low,
* to disable fpga logic (on version 2 board)
*/
out_be32((void *)GPIO0_ODR, 0x00000000); /* no open drain pins */
out_be32((void *)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */
out_be32((void *)GPIO0_OR, CONFIG_SYS_FPGA_PRG); /* set output pins to high */
out_be32((void *)GPIO0_OR, 0); /* pull prg low */
/*
* Boot onboard FPGA
*/
#ifndef CONFIG_CPCI405_VER2
if (cpci405_version() == 1) {
status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata));
if (status != 0) {
/* booting FPGA failed */
#ifndef FPGA_DEBUG
/* set up serial port with default baudrate */
(void)get_clocks();
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
console_init_f();
#endif
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: INIT not low after "
"asserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: INIT not high after "
"deasserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: DONE not high after "
"programming FPGA)\n ");
break;
}
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
len = fpgadata[index];
printf("FPGA: %s\n", &(fpgadata[index + 1]));
index += len + 3;
}
putc('\n');
/* delayed reboot */
for (i = 20; i > 0; i--) {
printf("Rebooting in %2d seconds \r",i);
for (index = 0; index < 1000; index++)
udelay(1000);
}
putc('\n');
do_reset(NULL, 0, 0, NULL);
}
}
#endif /* !CONFIG_CPCI405_VER2 */
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) CAN1 (+FPGA on CPCI4052); active low; level sens.
* IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
* IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
* IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
#if defined(CONFIG_CPCI405_6U)
if (cpci405_version() == 3) {
mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */
} else {
mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
}
#else
mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */
#endif
mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,
* INT0 highest priority */
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
return 0;
}
int ctermm2(void)
{
#if defined(CONFIG_CPCI405_VER2)
return 0; /* no, board is cpci405 */
#else
if ((in_8((void*)0xf0000400) == 0x00) &&
(in_8((void*)0xf0000401) == 0x01))
return 0; /* no, board is cpci405 */
else
return -1; /* yes, board is cterm-m2 */
#endif
}
int cpci405_host(void)
{
if (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN)
return -1; /* yes, board is cpci405 host */
else
return 0; /* no, board is cpci405 adapter */
}
int cpci405_version(void)
{
unsigned long CPC0_CR0Reg;
unsigned long value;
/*
* Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO)
*/
CPC0_CR0Reg = mfdcr(CPC0_CR0);
mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03000000);
out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x00180000);
out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x00180000);
udelay(1000); /* wait some time before reading input */
value = in_be32((void*)GPIO0_IR) & 0x00180000; /* get config bits */
/*
* Restore GPIO settings
*/
mtdcr(CPC0_CR0, CPC0_CR0Reg);
switch (value) {
case 0x00180000:
/* CS2==1 && CS3==1 -> version 1 */
return 1;
case 0x00080000:
/* CS2==0 && CS3==1 -> version 2 */
return 2;
case 0x00100000:
/* CS2==1 && CS3==0 -> version 3 or 6U board */
return 3;
case 0x00000000:
/* CS2==0 && CS3==0 -> version 4 */
return 4;
default:
/* should not be reached! */
return 2;
}
}
int misc_init_r (void)
{
unsigned long CPC0_CR0Reg;
/* adjust flash start and offset */
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
gd->bd->bi_flashoffset = 0;
#if defined(CONFIG_CPCI405_VER2)
{
unsigned char *dst;
ulong len = sizeof(fpgadata);
int status;
int index;
int i;
/*
* On CPCI-405 version 2 the environment is saved in eeprom!
* FPGA can be gzip compressed (malloc) and booted this late.
*/
if (cpci405_version() >= 2) {
/*
* Setup GPIO pins (CS6+CS7 as GPIO)
*/
CPC0_CR0Reg = mfdcr(CPC0_CR0);
mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000);
dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE,
(uchar *)fpgadata, &len) != 0) {
printf("GUNZIP ERROR - must RESET board to recover\n");
do_reset(NULL, 0, 0, NULL);
}
status = fpga_boot(dst, len);
if (status != 0) {
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: INIT not low after "
"asserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: INIT not high after "
"deasserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: DONE not high after "
"programming FPGA)\n ");
break;
}
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
len = dst[index];
printf("FPGA: %s\n", &(dst[index + 1]));
index += len + 3;
}
putc('\n');
/* delayed reboot */
for (i = 20; i > 0; i--) {
printf("Rebooting in %2d seconds \r", i);
for (index = 0; index < 1000; index++)
udelay(1000);
}
putc('\n');
do_reset(NULL, 0, 0, NULL);
}
/* restore gpio/cs settings */
mtdcr(CPC0_CR0, CPC0_CR0Reg);
puts("FPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
len = dst[index];
printf("%s ", &(dst[index + 1]));
index += len + 3;
}
putc('\n');
free(dst);
/*
* Reset FPGA via FPGA_DATA pin
*/
SET_FPGA(FPGA_PRG | FPGA_CLK);
udelay(1000); /* wait 1ms */
SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
udelay(1000); /* wait 1ms */
#if defined(CONFIG_CPCI405_6U)
#error HIER GETH ES WEITER MIT IO ACCESSORS
if (cpci405_version() == 3) {
/*
* Enable outputs in fpga on version 3 board
*/
out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
CONFIG_SYS_FPGA_MODE_ENABLE_OUTPUT);
/*
* Set outputs to 0
*/
out_8((void*)CONFIG_SYS_LED_ADDR, 0x00);
/*
* Reset external DUART
*/
out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
CONFIG_SYS_FPGA_MODE_DUART_RESET);
udelay(100);
out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) &
~CONFIG_SYS_FPGA_MODE_DUART_RESET);
}
#endif
}
else {
puts("\n*** U-Boot Version does not match Board Version!\n");
puts("*** CPCI-405 Version 1.x detected!\n");
puts("*** Please use correct U-Boot version "
"(CPCI405 instead of CPCI4052)!\n\n");
}
}
#else /* CONFIG_CPCI405_VER2 */
if (cpci405_version() >= 2) {
puts("\n*** U-Boot Version does not match Board Version!\n");
puts("*** CPCI-405 Board Version 2.x detected!\n");
puts("*** Please use correct U-Boot version "
"(CPCI4052 instead of CPCI405)!\n\n");
}
#endif /* CONFIG_CPCI405_VER2 */
/*
* Select cts (and not dsr) on uart1
*/
CPC0_CR0Reg = mfdcr(CPC0_CR0);
mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00001000);
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
#ifndef CONFIG_CPCI405_VER2
int index;
int len;
#endif
char str[64];
int i = getenv_f("serial#", str, sizeof(str));
unsigned short ver;
puts("Board: ");
if (i == -1)
puts("### No HW ID - assuming CPCI405");
else
puts(str);
ver = cpci405_version();
printf(" (Ver %d.x, ", ver);
if (ctermm2()) {
char str[4];
/*
* Read board-id and save in env-variable
*/
sprintf(str, "%d", *(unsigned char *)0xf0000400);
setenv("boardid", str);
printf("CTERM-M2 - Id=%s)", str);
} else {
if (cpci405_host())
puts("PCI Host Version)");
else
puts("PCI Adapter Version)");
}
#ifndef CONFIG_CPCI405_VER2
puts("\nFPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i = 0; i < 4; i++) {
len = fpgadata[index];
printf("%s ", &(fpgadata[index + 1]));
index += len + 3;
}
#endif
putc('\n');
return 0;
}
void reset_phy(void)
{
#if defined(CONFIG_LXT971_NO_SLEEP)
/*
* Disable sleep mode in LXT971
*/
lxt971_no_sleep();
#endif
}
#if defined(CONFIG_CPCI405_VER2) && defined (CONFIG_IDE_RESET)
void ide_set_reset(int on)
{
/*
* Assert or deassert CompactFlash Reset Pin
*/
if (on) { /* assert RESET */
out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) &
~CONFIG_SYS_FPGA_MODE_CF_RESET);
} else { /* release RESET */
out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR,
in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) |
CONFIG_SYS_FPGA_MODE_CF_RESET);
}
}
#endif /* CONFIG_IDE_RESET && CONFIG_CPCI405_VER2 */
#if defined(CONFIG_PCI)
void cpci405_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
unsigned char int_line = 0xff;
/*
* Write pci interrupt line register (cpci405 specific)
*/
switch (PCI_DEV(dev) & 0x03) {
case 0:
int_line = 27 + 2;
break;
case 1:
int_line = 27 + 3;
break;
case 2:
int_line = 27 + 0;
break;
case 3:
int_line = 27 + 1;
break;
}
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line);
}
int pci_pre_init(struct pci_controller *hose)
{
hose->fixup_irq = cpci405_pci_fixup_irq;
return 1;
}
#endif /* defined(CONFIG_PCI) */
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, bd_t *bd)
{
int rc;
__ft_board_setup(blob, bd);
/*
* Disable PCI in adapter mode.
*/
if (!cpci405_host()) {
rc = fdt_find_and_setprop(blob, "/plb/pci@ec000000", "status",
"disabled", sizeof("disabled"), 1);
if (rc) {
printf("Unable to update property status in PCI node, "
"err=%s\n",
fdt_strerror(rc));
}
}
return 0;
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */