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 & CONFIG_SYS_FPGA_DONE)
38 #define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_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
53 /* arch number of PDNB3 */
54 gd
->bd
->bi_arch_number
= MACH_TYPE_PDNB3
;
56 /* adress of boot parameters */
57 gd
->bd
->bi_boot_params
= 0x00000100;
59 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET
);
60 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_FPGA_RESET
);
62 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SYS_RUNNING
);
63 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SYS_RUNNING
);
66 * Setup GPIO's for FPGA programming
68 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG
);
69 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK
);
70 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA
);
71 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PRG
);
72 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK
);
73 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DATA
);
74 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_INIT
);
75 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DONE
);
78 * Setup GPIO's for interrupts
80 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA
);
81 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA
);
82 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB
);
83 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB
);
84 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTORE_INT
);
85 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTORE_INT
);
86 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTART_INT
);
87 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTART_INT
);
90 * Setup GPIO's for 33MHz clock output
92 *IXP425_GPIO_GPCLKR
= 0x01FF0000;
93 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK_33M
);
96 * Setup other chip select's
98 *IXP425_EXP_CS1
= CONFIG_SYS_EXP_CS1
;
104 * Check Board Identity
108 char *s
= getenv("serial#");
110 puts("Board: PDNB3");
123 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
124 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_1_SIZE
;
129 int do_fpga_boot(unsigned char *fpgadata
)
135 ulong len
= CONFIG_SYS_MALLOC_LEN
;
138 * Setup GPIO's for FPGA programming
140 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG
);
141 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK
);
142 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA
);
145 * Save value so no readback is required upon programming
147 old_val
= *IXP425_GPIO_GPOUTR
;
150 * First try to decompress fpga image (gzip compressed?)
152 dst
= malloc(CONFIG_SYS_FPGA_MAX_SIZE
);
153 if (gunzip(dst
, CONFIG_SYS_FPGA_MAX_SIZE
, (uchar
*)fpgadata
, &len
) != 0) {
154 printf("Error: Image has to be gzipp'ed!\n");
158 status
= fpga_boot(dst
, len
);
160 printf("\nFPGA: Booting failed ");
162 case ERROR_FPGA_PRG_INIT_LOW
:
163 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
165 case ERROR_FPGA_PRG_INIT_HIGH
:
166 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
168 case ERROR_FPGA_PRG_DONE
:
169 printf("(Timeout: DONE not high after programming FPGA)\n ");
173 /* display infos on fpgaimage */
175 for (i
=0; i
<4; i
++) {
177 printf("FPGA: %s\n", &(dst
[index
+1]));
182 for (i
=5; i
>0; i
--) {
183 printf("Rebooting in %2d seconds \r",i
);
184 for (index
=0;index
<1000;index
++)
188 do_reset(NULL
, 0, 0, NULL
);
193 /* display infos on fpgaimage */
195 for (i
=0; i
<4; i
++) {
197 printf("%s ", &(dst
[index
+1]));
207 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_FPGA_RESET
);
209 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET
);
214 int do_fpga(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
219 printf ("Usage:\n%s\n", cmdtp
->usage
);
223 addr
= simple_strtoul(argv
[1], NULL
, 16);
225 return do_fpga_boot((unsigned char *)addr
);
230 "fpga - boot FPGA\n",
231 "address size\n - boot FPGA with gzipped image at <address>\n"
234 #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
235 extern struct pci_controller hose
;
236 extern void pci_ixp_init(struct pci_controller
* hose
);
238 void pci_init_board(void)
240 extern void pci_ixp_init (struct pci_controller
*hose
);