2 * (C) Copyright 2001-2003
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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,
25 #include <asm/processor.h>
29 /* ------------------------------------------------------------------------- */
33 int gunzip(void *, int, unsigned char *, int *);
36 int board_pre_init (void)
39 * IRQ 0-15 405GP internally generated; active high; level sensitive
40 * IRQ 16 405GP internally generated; active low; level sensitive
42 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
43 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
44 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
45 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
46 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
47 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
48 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
50 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
51 mtdcr(uicer, 0x00000000); /* disable all ints */
52 mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
53 mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */
54 mtdcr(uictr, 0x10000000); /* set int trigger levels */
55 mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
56 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
59 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
61 mtebc (epcr, 0xa8400000);
67 /* ------------------------------------------------------------------------- */
69 int misc_init_f (void)
71 return 0; /* dummy implementation */
75 int misc_init_r (void)
78 DECLARE_GLOBAL_DATA_PTR;
79 volatile unsigned short *fpga_mode =
80 (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
81 volatile unsigned char *duart0_mcr =
82 (unsigned char *)((ulong)DUART0_BA + 4);
83 volatile unsigned char *duart1_mcr =
84 (unsigned char *)((ulong)DUART1_BA + 4);
86 char * tmp; /* Temporary char pointer */
88 ulong len = sizeof(fpgadata);
92 unsigned long cntrl0Reg;
95 * Setup GPIO pins (CS6+CS7 as GPIO)
97 cntrl0Reg = mfdcr(cntrl0);
98 mtdcr(cntrl0, cntrl0Reg | 0x00300000);
100 dst = malloc(CFG_FPGA_MAX_SIZE);
101 if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) {
102 printf ("GUNZIP ERROR - must RESET board to recover\n");
103 do_reset (NULL, 0, 0, NULL);
106 status = fpga_boot(dst, len);
108 printf("\nFPGA: Booting failed ");
110 case ERROR_FPGA_PRG_INIT_LOW:
111 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
113 case ERROR_FPGA_PRG_INIT_HIGH:
114 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
116 case ERROR_FPGA_PRG_DONE:
117 printf("(Timeout: DONE not high after programming FPGA)\n ");
121 /* display infos on fpgaimage */
123 for (i=0; i<4; i++) {
125 printf("FPGA: %s\n", &(dst[index+1]));
130 for (i=20; i>0; i--) {
131 printf("Rebooting in %2d seconds \r",i);
132 for (index=0;index<1000;index++)
136 do_reset(NULL, 0, 0, NULL);
139 /* restore gpio/cs settings */
140 mtdcr(cntrl0, cntrl0Reg);
144 /* display infos on fpgaimage */
146 for (i=0; i<4; i++) {
148 printf("%s ", &(dst[index+1]));
156 * Reset FPGA via FPGA_DATA pin
158 SET_FPGA(FPGA_PRG | FPGA_CLK);
159 udelay(1000); /* wait 1ms */
160 SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
161 udelay(1000); /* wait 1ms */
164 * Enable power on PS/2 interface
166 *fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;
169 * Enable interrupts in exar duart mcr[3]
180 * Check Board Identity:
183 int checkboard (void)
185 unsigned char str[64];
186 int i = getenv_r ("serial#", str, sizeof(str));
191 puts ("### No HW ID - assuming ABG405");
201 /* ------------------------------------------------------------------------- */
203 long int initdram (int board_type)
207 mtdcr(memcfga, mem_mb0cf);
208 val = mfdcr(memcfgd);
211 printf("\nmb0cf=%x\n", val); /* test-only */
212 printf("strap=%x\n", mfdcr(strap)); /* test-only */
215 return (4*1024*1024 << ((val & 0x000e0000) >> 17));
218 /* ------------------------------------------------------------------------- */
222 /* TODO: XXX XXX XXX */
223 printf ("test: 16 MB - ok\n");
228 /* ------------------------------------------------------------------------- */