3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/arch/ixp425.h>
29 DECLARE_GLOBAL_DATA_PTR;
32 int gunzip(void *, int, unsigned char *, unsigned long *);
33 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
35 /* predefine these here for FPGA programming (before including fpga.c) */
36 #define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data)
37 #define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CFG_FPGA_DONE)
38 #define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CFG_FPGA_INIT)
39 #define OLD_VAL old_val
41 static unsigned long old_val = 0;
44 * include common fpga code (for prodrive boards)
46 #include "../common/fpga.c"
49 * Miscelaneous platform dependent initialisations
51 int board_post_init(void)
58 /* arch number of PDNB3 */
59 gd->bd->bi_arch_number = MACH_TYPE_PDNB3;
61 /* adress of boot parameters */
62 gd->bd->bi_boot_params = 0x00000100;
64 GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET);
65 GPIO_OUTPUT_ENABLE(CFG_GPIO_FPGA_RESET);
67 GPIO_OUTPUT_SET(CFG_GPIO_SYS_RUNNING);
68 GPIO_OUTPUT_ENABLE(CFG_GPIO_SYS_RUNNING);
71 * Setup GPIO's for FPGA programming
73 GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG);
74 GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK);
75 GPIO_OUTPUT_CLEAR(CFG_GPIO_DATA);
76 GPIO_OUTPUT_ENABLE(CFG_GPIO_PRG);
77 GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK);
78 GPIO_OUTPUT_ENABLE(CFG_GPIO_DATA);
79 GPIO_OUTPUT_DISABLE(CFG_GPIO_INIT);
80 GPIO_OUTPUT_DISABLE(CFG_GPIO_DONE);
83 * Setup GPIO's for interrupts
85 GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA);
86 GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA);
87 GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB);
88 GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB);
89 GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTORE_INT);
90 GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTORE_INT);
91 GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTART_INT);
92 GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTART_INT);
95 * Setup GPIO's for 33MHz clock output
97 *IXP425_GPIO_GPCLKR = 0x01FF0000;
98 GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK_33M);
101 * Setup other chip select's
103 *IXP425_EXP_CS1 = CFG_EXP_CS1;
109 * Check Board Identity
113 char *s = getenv("serial#");
115 puts("Board: PDNB3");
128 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
129 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
134 int do_fpga_boot(unsigned char *fpgadata)
140 ulong len = CFG_MALLOC_LEN;
143 * Setup GPIO's for FPGA programming
145 GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG);
146 GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK);
147 GPIO_OUTPUT_CLEAR(CFG_GPIO_DATA);
150 * Save value so no readback is required upon programming
152 old_val = *IXP425_GPIO_GPOUTR;
155 * First try to decompress fpga image (gzip compressed?)
157 dst = malloc(CFG_FPGA_MAX_SIZE);
158 if (gunzip(dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
159 printf("Error: Image has to be gzipp'ed!\n");
163 status = fpga_boot(dst, len);
165 printf("\nFPGA: Booting failed ");
167 case ERROR_FPGA_PRG_INIT_LOW:
168 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
170 case ERROR_FPGA_PRG_INIT_HIGH:
171 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
173 case ERROR_FPGA_PRG_DONE:
174 printf("(Timeout: DONE not high after programming FPGA)\n ");
178 /* display infos on fpgaimage */
180 for (i=0; i<4; i++) {
182 printf("FPGA: %s\n", &(dst[index+1]));
187 for (i=5; i>0; i--) {
188 printf("Rebooting in %2d seconds \r",i);
189 for (index=0;index<1000;index++)
193 do_reset(NULL, 0, 0, NULL);
198 /* display infos on fpgaimage */
200 for (i=0; i<4; i++) {
202 printf("%s ", &(dst[index+1]));
212 GPIO_OUTPUT_CLEAR(CFG_GPIO_FPGA_RESET);
214 GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET);
219 int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
224 printf ("Usage:\n%s\n", cmdtp->usage);
228 addr = simple_strtoul(argv[1], NULL, 16);
230 return do_fpga_boot((unsigned char *)addr);
235 "fpga - boot FPGA\n",
236 "address size\n - boot FPGA with gzipped image at <address>\n"
239 #if (CONFIG_COMMANDS & CFG_CMD_PCI) || defined(CONFIG_PCI)
240 extern struct pci_controller hose;
241 extern void pci_ixp_init(struct pci_controller * hose);
243 void pci_init_board(void)
245 extern void pci_ixp_init (struct pci_controller *hose);