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Diffstat (limited to 'board/prodrive/pdnb3/pdnb3.c')
| -rw-r--r-- | board/prodrive/pdnb3/pdnb3.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/board/prodrive/pdnb3/pdnb3.c b/board/prodrive/pdnb3/pdnb3.c new file mode 100644 index 0000000..e2fed5d --- /dev/null +++ b/board/prodrive/pdnb3/pdnb3.c @@ -0,0 +1,249 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <malloc.h> +#include <asm/arch/ixp425.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Prototypes */ +int gunzip(void *, int, unsigned char *, unsigned long *); +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +/* 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 & CFG_FPGA_DONE) +#define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CFG_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_post_init(void) +{ + return (0); +} + +int board_init(void) +{ + /* arch number of PDNB3 */ + gd->bd->bi_arch_number = MACH_TYPE_PDNB3; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x00000100; + + GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET); + GPIO_OUTPUT_ENABLE(CFG_GPIO_FPGA_RESET); + + GPIO_OUTPUT_SET(CFG_GPIO_SYS_RUNNING); + GPIO_OUTPUT_ENABLE(CFG_GPIO_SYS_RUNNING); + + /* + * Setup GPIO's for FPGA programming + */ + GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG); + GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK); + GPIO_OUTPUT_CLEAR(CFG_GPIO_DATA); + GPIO_OUTPUT_ENABLE(CFG_GPIO_PRG); + GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK); + GPIO_OUTPUT_ENABLE(CFG_GPIO_DATA); + GPIO_OUTPUT_DISABLE(CFG_GPIO_INIT); + GPIO_OUTPUT_DISABLE(CFG_GPIO_DONE); + + /* + * Setup GPIO's for interrupts + */ + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA); + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB); + GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTORE_INT); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTORE_INT); + GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTART_INT); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTART_INT); + + /* + * Setup GPIO's for 33MHz clock output + */ + *IXP425_GPIO_GPCLKR = 0x01FF0000; + GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK_33M); + + /* + * Setup other chip select's + */ + *IXP425_EXP_CS1 = CFG_EXP_CS1; + + return 0; +} + +/* + * Check Board Identity + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: PDNB3"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + 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 = CFG_MALLOC_LEN; + + /* + * Setup GPIO's for FPGA programming + */ + GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG); + GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK); + GPIO_OUTPUT_CLEAR(CFG_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(CFG_FPGA_MAX_SIZE); + if (gunzip(dst, CFG_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(CFG_GPIO_FPGA_RESET); + udelay(10); + GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET); + + return (0); +} + +int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + ulong addr; + + if (argc < 2) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + addr = simple_strtoul(argv[1], NULL, 16); + + return do_fpga_boot((unsigned char *)addr); +} + +U_BOOT_CMD( + fpga, 2, 0, do_fpga, + "fpga - boot FPGA\n", + "address size\n - boot FPGA with gzipped image at <address>\n" +); + +#if (CONFIG_COMMANDS & CFG_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 |