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 do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
34 /* predefine these here for FPGA programming (before including fpga.c) */
35 #define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data)
36 #define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_DONE)
37 #define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_INIT)
38 #define OLD_VAL old_val
40 static unsigned long old_val = 0;
43 * include common fpga code (for prodrive boards)
45 #include "../common/fpga.c"
48 * Miscelaneous platform dependent initialisations
52 /* arch number of PDNB3 */
53 gd->bd->bi_arch_number = MACH_TYPE_PDNB3;
55 /* adress of boot parameters */
56 gd->bd->bi_boot_params = 0x00000100;
58 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
59 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_FPGA_RESET);
61 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SYS_RUNNING);
62 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SYS_RUNNING);
65 * Setup GPIO's for FPGA programming
67 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG);
68 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK);
69 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA);
70 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PRG);
71 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK);
72 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DATA);
73 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_INIT);
74 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DONE);
77 * Setup GPIO's for interrupts
79 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA);
80 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA);
81 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB);
82 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB);
83 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTORE_INT);
84 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTORE_INT);
85 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTART_INT);
86 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTART_INT);
89 * Setup GPIO's for 33MHz clock output
91 *IXP425_GPIO_GPCLKR = 0x01FF0000;
92 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK_33M);
95 * Setup other chip select's
97 *IXP425_EXP_CS1 = CONFIG_SYS_EXP_CS1;
103 * Check Board Identity
107 char *s = getenv("serial#");
109 puts("Board: PDNB3");
122 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
123 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
128 int do_fpga_boot(unsigned char *fpgadata)
134 ulong len = CONFIG_SYS_MALLOC_LEN;
137 * Setup GPIO's for FPGA programming
139 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG);
140 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK);
141 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA);
144 * Save value so no readback is required upon programming
146 old_val = *IXP425_GPIO_GPOUTR;
149 * First try to decompress fpga image (gzip compressed?)
151 dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
152 if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
153 printf("Error: Image has to be gzipp'ed!\n");
157 status = fpga_boot(dst, len);
159 printf("\nFPGA: Booting failed ");
161 case ERROR_FPGA_PRG_INIT_LOW:
162 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
164 case ERROR_FPGA_PRG_INIT_HIGH:
165 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
167 case ERROR_FPGA_PRG_DONE:
168 printf("(Timeout: DONE not high after programming FPGA)\n ");
172 /* display infos on fpgaimage */
174 for (i=0; i<4; i++) {
176 printf("FPGA: %s\n", &(dst[index+1]));
181 for (i=5; i>0; i--) {
182 printf("Rebooting in %2d seconds \r",i);
183 for (index=0;index<1000;index++)
187 do_reset(NULL, 0, 0, NULL);
192 /* display infos on fpgaimage */
194 for (i=0; i<4; i++) {
196 printf("%s ", &(dst[index+1]));
206 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_FPGA_RESET);
208 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
213 int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
222 addr = simple_strtoul(argv[1], NULL, 16);
224 return do_fpga_boot((unsigned char *)addr);
230 "address size\n - boot FPGA with gzipped image at <address>"
233 #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
234 extern struct pci_controller hose;
235 extern void pci_ixp_init(struct pci_controller * hose);
237 void pci_init_board(void)
239 extern void pci_ixp_init (struct pci_controller *hose);