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cmd_usage(): simplify return code handling
[people/ms/u-boot.git] / board / prodrive / pdnb3 / pdnb3.c
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1/*
2 * (C) Copyright 2006
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <malloc.h>
27#include <asm/arch/ixp425.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
31/* Prototypes */
54841ab5 32int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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33
34/* predefine these here for FPGA programming (before including fpga.c) */
35#define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data)
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36#define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_DONE)
37#define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_INIT)
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38#define OLD_VAL old_val
39
40static unsigned long old_val = 0;
41
42/*
43 * include common fpga code (for prodrive boards)
44 */
45#include "../common/fpga.c"
46
47/*
48 * Miscelaneous platform dependent initialisations
49 */
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50int board_init(void)
51{
52 /* arch number of PDNB3 */
53 gd->bd->bi_arch_number = MACH_TYPE_PDNB3;
54
55 /* adress of boot parameters */
56 gd->bd->bi_boot_params = 0x00000100;
57
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58 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
59 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_FPGA_RESET);
ba94a1bb 60
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JCPV
61 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SYS_RUNNING);
62 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SYS_RUNNING);
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63
64 /*
65 * Setup GPIO's for FPGA programming
66 */
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JCPV
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);
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75
76 /*
77 * Setup GPIO's for interrupts
78 */
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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);
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87
88 /*
89 * Setup GPIO's for 33MHz clock output
90 */
91 *IXP425_GPIO_GPCLKR = 0x01FF0000;
6d0f6bcf 92 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK_33M);
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93
94 /*
95 * Setup other chip select's
96 */
6d0f6bcf 97 *IXP425_EXP_CS1 = CONFIG_SYS_EXP_CS1;
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98
99 return 0;
100}
101
102/*
103 * Check Board Identity
104 */
105int checkboard(void)
106{
107 char *s = getenv("serial#");
108
109 puts("Board: PDNB3");
110
111 if (s != NULL) {
112 puts(", serial# ");
113 puts(s);
114 }
115 putc('\n');
116
117 return (0);
118}
119
120int dram_init(void)
121{
122 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
123 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
124
125 return (0);
126}
127
128int do_fpga_boot(unsigned char *fpgadata)
129{
130 unsigned char *dst;
131 int status;
132 int index;
133 int i;
6d0f6bcf 134 ulong len = CONFIG_SYS_MALLOC_LEN;
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135
136 /*
137 * Setup GPIO's for FPGA programming
138 */
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JCPV
139 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG);
140 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK);
141 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA);
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142
143 /*
144 * Save value so no readback is required upon programming
145 */
146 old_val = *IXP425_GPIO_GPOUTR;
147
148 /*
149 * First try to decompress fpga image (gzip compressed?)
150 */
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JCPV
151 dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
152 if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
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153 printf("Error: Image has to be gzipp'ed!\n");
154 return -1;
155 }
156
157 status = fpga_boot(dst, len);
158 if (status != 0) {
159 printf("\nFPGA: Booting failed ");
160 switch (status) {
161 case ERROR_FPGA_PRG_INIT_LOW:
162 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
163 break;
164 case ERROR_FPGA_PRG_INIT_HIGH:
165 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
166 break;
167 case ERROR_FPGA_PRG_DONE:
168 printf("(Timeout: DONE not high after programming FPGA)\n ");
169 break;
170 }
171
172 /* display infos on fpgaimage */
173 index = 15;
174 for (i=0; i<4; i++) {
175 len = dst[index];
176 printf("FPGA: %s\n", &(dst[index+1]));
177 index += len+3;
178 }
179 putc ('\n');
180 /* delayed reboot */
181 for (i=5; i>0; i--) {
182 printf("Rebooting in %2d seconds \r",i);
183 for (index=0;index<1000;index++)
184 udelay(1000);
185 }
186 putc('\n');
187 do_reset(NULL, 0, 0, NULL);
188 }
189
190 puts("FPGA: ");
191
192 /* display infos on fpgaimage */
193 index = 15;
194 for (i=0; i<4; i++) {
195 len = dst[index];
196 printf("%s ", &(dst[index+1]));
197 index += len+3;
198 }
199 putc('\n');
200
201 free(dst);
202
203 /*
204 * Reset FPGA
205 */
6d0f6bcf 206 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_FPGA_RESET);
ba94a1bb 207 udelay(10);
6d0f6bcf 208 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET);
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209
210 return (0);
211}
212
54841ab5 213int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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214{
215 ulong addr;
216
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217 if (argc < 2)
218 return cmd_usage(cmdtp);
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219
220 addr = simple_strtoul(argv[1], NULL, 16);
221
222 return do_fpga_boot((unsigned char *)addr);
223}
224
225U_BOOT_CMD(
226 fpga, 2, 0, do_fpga,
2fb2604d 227 "boot FPGA",
a89c33db 228 "address size\n - boot FPGA with gzipped image at <address>"
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229);
230
3fe00109 231#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
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232extern struct pci_controller hose;
233extern void pci_ixp_init(struct pci_controller * hose);
234
235void pci_init_board(void)
236{
237 extern void pci_ixp_init (struct pci_controller *hose);
238
239 pci_ixp_init(&hose);
240}
241#endif