4 * http://www.dave-tech.it
5 * http://www.wawnet.biz
6 * mailto:info@wawnet.biz
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/processor.h>
32 DECLARE_GLOBAL_DATA_PTR
;
34 /* ------------------------------------------------------------------------- */
37 int gunzip(void *, int, unsigned char *, unsigned long *);
39 int board_early_init_f (void)
41 out32(GPIO0_OR
, CONFIG_SYS_NAND0_CE
); /* set initial outputs */
42 out32(GPIO0_OR
, CONFIG_SYS_NAND1_CE
); /* set initial outputs */
45 * IRQ 0-15 405GP internally generated; active high; level sensitive
46 * IRQ 16 405GP internally generated; active low; level sensitive
56 mtdcr(uicsr
, 0xFFFFFFFF); /* clear all ints */
57 mtdcr(uicer
, 0x00000000); /* disable all ints */
58 mtdcr(uiccr
, 0x00000000); /* set all to be non-critical*/
59 mtdcr(uicpr
, 0xFFFFFF80); /* set int polarities */
60 mtdcr(uictr
, 0x10000000); /* set int trigger levels */
61 mtdcr(uicvcr
, 0x00000001); /* set vect base=0,INT0 highest priority*/
62 mtdcr(uicsr
, 0xFFFFFFFF); /* clear all ints */
65 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
68 mtebc (EBC0_CFG
, 0xa8400000); /* ebc always driven */
70 mtebc (EBC0_CFG
, 0x28400000); /* ebc in high-z */
75 /* ------------------------------------------------------------------------- */
77 int misc_init_f (void)
79 return 0; /* dummy implementation */
82 extern flash_info_t flash_info
[]; /* info for FLASH chips */
84 int misc_init_r (void)
86 /* adjust flash start and size as well as the offset */
87 gd
->bd
->bi_flashstart
= 0 - flash_info
[0].size
;
88 gd
->bd
->bi_flashoffset
= flash_info
[0].size
- CONFIG_SYS_MONITOR_LEN
;
90 volatile unsigned short *fpga_mode
=
91 (unsigned short *)((ulong
)CONFIG_SYS_FPGA_BASE_ADDR
+ CONFIG_SYS_FPGA_CTRL
);
92 volatile unsigned char *duart0_mcr
=
93 (unsigned char *)((ulong
)DUART0_BA
+ 4);
94 volatile unsigned char *duart1_mcr
=
95 (unsigned char *)((ulong
)DUART1_BA
+ 4);
98 char * tmp
; /* Temporary char pointer */
100 ulong len
= sizeof(fpgadata
);
104 unsigned long CPC0_CR0Reg
;
106 dst
= malloc(CONFIG_SYS_FPGA_MAX_SIZE
);
107 if (gunzip (dst
, CONFIG_SYS_FPGA_MAX_SIZE
, (uchar
*)fpgadata
, &len
) != 0) {
108 printf ("GUNZIP ERROR - must RESET board to recover\n");
109 do_reset (NULL
, 0, 0, NULL
);
112 status
= fpga_boot(dst
, len
);
114 printf("\nFPGA: Booting failed ");
116 case ERROR_FPGA_PRG_INIT_LOW
:
117 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
119 case ERROR_FPGA_PRG_INIT_HIGH
:
120 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
122 case ERROR_FPGA_PRG_DONE
:
123 printf("(Timeout: DONE not high after programming FPGA)\n ");
127 /* display infos on fpgaimage */
129 for (i
=0; i
<4; i
++) {
131 printf("FPGA: %s\n", &(dst
[index
+1]));
136 for (i
=20; i
>0; i
--) {
137 printf("Rebooting in %2d seconds \r",i
);
138 for (index
=0;index
<1000;index
++)
142 do_reset(NULL
, 0, 0, NULL
);
147 /* display infos on fpgaimage */
149 for (i
=0; i
<4; i
++) {
151 printf("%s ", &(dst
[index
+1]));
159 * Reset FPGA via FPGA_DATA pin
161 SET_FPGA(FPGA_PRG
| FPGA_CLK
);
162 udelay(1000); /* wait 1ms */
163 SET_FPGA(FPGA_PRG
| FPGA_CLK
| FPGA_DATA
);
164 udelay(1000); /* wait 1ms */
169 * Enable power on PS/2 interface
171 *fpga_mode
|= CONFIG_SYS_FPGA_CTRL_PS2_RESET
;
174 * Enable interrupts in exar duart mcr[3]
183 * Check Board Identity:
186 int checkboard (void)
189 int i
= getenv_r ("serial#", str
, sizeof(str
));
194 puts ("### No HW ID - assuming PPChameleonEVB");
204 /* ------------------------------------------------------------------------- */
208 /* TODO: XXX XXX XXX */
209 printf ("test: 16 MB - ok\n");
214 /* ------------------------------------------------------------------------- */
216 #ifdef CONFIG_CFB_CONSOLE
217 # ifdef CONFIG_CONSOLE_EXTRA_INFO
218 # include <video_fb.h>
219 extern GraphicDevice smi
;
221 void video_get_info_str (int line_number
, char *info
)
223 uint pvr
= get_pvr ();
225 /* init video info strings for graphic console */
226 switch (line_number
) {
230 sprintf (info
, " AMCC PowerPC 405EP Rev. B");
233 sprintf (info
, " AMCC PowerPC 405EP Rev. <unknown>");
238 sprintf (info
, " DAVE Srl PPChameleonEVB - www.dave-tech.it");
241 sprintf (info
, " %s", smi
.modeIdent
);
245 /* no more info lines */
249 # endif /* CONFIG_CONSOLE_EXTRA_INFO */
250 #endif /* CONFIG_CFB_CONSOLE */