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/*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/arch/ixp425.h>
DECLARE_GLOBAL_DATA_PTR;
/* predefine these here for FPGA programming (before including fpga.c) */
#define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data)
#define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_DONE)
#define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_INIT)
#define OLD_VAL old_val
static unsigned long old_val = 0;
/*
* include common fpga code (for prodrive boards)
*/
#include "../common/fpga.c"
/*
* Miscelaneous platform dependent initialisations
*/
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_FPGA_RESET);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SYS_RUNNING);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SYS_RUNNING);
/*
* Setup GPIO's for FPGA programming
*/
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PRG);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DATA);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_INIT);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DONE);
/*
* Setup GPIO's for interrupts
*/
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTORE_INT);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTORE_INT);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTART_INT);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTART_INT);
/*
* Setup GPIO's for 33MHz clock output
*/
*IXP425_GPIO_GPCLKR = 0x01FF0000;
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK_33M);
/*
* Setup other chip select's
*/
*IXP425_EXP_CS1 = CONFIG_SYS_EXP_CS1;
return 0;
}
/*
* Check Board Identity
*/
int checkboard(void)
{
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
puts("Board: PDNB3");
if (i > 0) {
puts(", serial# ");
puts(buf);
}
putc('\n');
return (0);
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return (0);
}
int do_fpga_boot(unsigned char *fpgadata)
{
unsigned char *dst;
int status;
int index;
int i;
ulong len = CONFIG_SYS_MALLOC_LEN;
/*
* Setup GPIO's for FPGA programming
*/
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA);
/*
* Save value so no readback is required upon programming
*/
old_val = *IXP425_GPIO_GPOUTR;
/*
* First try to decompress fpga image (gzip compressed?)
*/
dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
printf("Error: Image has to be gzipp'ed!\n");
return -1;
}
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=5; 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);
}
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
*/
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_FPGA_RESET);
udelay(10);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
return (0);
}
int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong addr;
if (argc < 2)
return cmd_usage(cmdtp);
addr = simple_strtoul(argv[1], NULL, 16);
return do_fpga_boot((unsigned char *)addr);
}
U_BOOT_CMD(
fpga, 2, 0, do_fpga,
"boot FPGA",
"address size\n - boot FPGA with gzipped image at <address>"
);
#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
extern struct pci_controller hose;
extern void pci_ixp_init(struct pci_controller * hose);
void pci_init_board(void)
{
extern void pci_ixp_init (struct pci_controller *hose);
pci_ixp_init(&hose);
}
#endif
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