diff options
Diffstat (limited to 'roms/u-boot/board/esd/wuh405/wuh405.c')
| -rw-r--r-- | roms/u-boot/board/esd/wuh405/wuh405.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/roms/u-boot/board/esd/wuh405/wuh405.c b/roms/u-boot/board/esd/wuh405/wuh405.c new file mode 100644 index 00000000..71d16e48 --- /dev/null +++ b/roms/u-boot/board/esd/wuh405/wuh405.c @@ -0,0 +1,171 @@ +/* + * (C) Copyright 2001-2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/processor.h> +#include <command.h> +#include <malloc.h> + +/* ------------------------------------------------------------------------- */ + +#if 0 +#define FPGA_DEBUG +#endif + +/* fpga configuration data - gzip compressed and generated by bin2c */ +const unsigned char fpgadata[] = +{ +#include "fpgadata.c" +}; + +/* + * include common fpga code (for esd boards) + */ +#include "../common/fpga.c" + + +int board_early_init_f (void) +{ + /* + * 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) SER0 ; active low; level sensitive + * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive + * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive + * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive + * IRQ 30 (EXT IRQ 5) PCI INTA; 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*/ + mtdcr(UIC0PR, 0xFFFFFF9F); /* set int polarities */ + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us + */ + mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */ + + return 0; +} + +int misc_init_r (void) +{ + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + + 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); + } + + 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 */ + + /* + * Reset external DUARTs + */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) | CONFIG_SYS_DUART_RST); + udelay(10); /* wait 10us */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); + udelay(1000); /* wait 1ms */ + + /* + * Enable interrupts in exar duart mcr[3] + */ + out_8((void *)(DUART0_BA + 4), 0x08); + out_8((void *)(DUART1_BA + 4), 0x08); + out_8((void *)(DUART2_BA + 4), 0x08); + out_8((void *)(DUART3_BA + 4), 0x08); + + return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + char str[64]; + int i = getenv_f("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming WUH405"); + } else { + puts(str); + } + + putc ('\n'); + + return 0; +} |