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git.ipfire.org Git - people/ms/u-boot.git/blob - board/prodrive/pdnb3/pdnb3.c
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
);