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>
34 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
35 extern void lxt971_no_sleep(void);
37 /* fpga configuration data - gzip compressed and generated by bin2c */
38 const unsigned char fpgadata[] =
44 * include common fpga code (for esd boards)
46 #include "../common/fpga.c"
50 * include common auto-update code (for esd boards)
52 #include "../common/auto_update.h"
54 au_image_t au_image[] = {
55 {"plu405/preinst.img", 0, -1, AU_SCRIPT},
56 {"plu405/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE},
57 {"plu405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND},
58 {"plu405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND},
59 {"plu405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND},
60 {"plu405/postinst.img", 0, 0, AU_SCRIPT},
63 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
67 int gunzip(void *, int, unsigned char *, unsigned long *);
70 int board_early_init_f (void)
73 * IRQ 0-15 405GP internally generated; active high; level sensitive
74 * IRQ 16 405GP internally generated; active low; level sensitive
76 * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
77 * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
78 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
79 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
80 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
81 * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
82 * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
84 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
85 mtdcr(uicer, 0x00000000); /* disable all ints */
86 mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
87 mtdcr(uicpr, 0xFFFFFF99); /* set int polarities */
88 mtdcr(uictr, 0x10000000); /* set int trigger levels */
89 mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
90 mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
93 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
95 mtebc (epcr, 0xa8400000); /* ebc always driven */
101 int misc_init_f (void)
103 return 0; /* dummy implementation */
107 int misc_init_r (void)
109 volatile unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4);
110 volatile unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4);
112 ulong len = sizeof(fpgadata);
117 dst = malloc(CFG_FPGA_MAX_SIZE);
118 if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
119 printf ("GUNZIP ERROR - must RESET board to recover\n");
120 do_reset (NULL, 0, 0, NULL);
123 status = fpga_boot(dst, len);
125 printf("\nFPGA: Booting failed ");
127 case ERROR_FPGA_PRG_INIT_LOW:
128 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
130 case ERROR_FPGA_PRG_INIT_HIGH:
131 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
133 case ERROR_FPGA_PRG_DONE:
134 printf("(Timeout: DONE not high after programming FPGA)\n ");
138 /* display infos on fpgaimage */
140 for (i=0; i<4; i++) {
142 printf("FPGA: %s\n", &(dst[index+1]));
147 for (i=20; i>0; i--) {
148 printf("Rebooting in %2d seconds \r",i);
149 for (index=0;index<1000;index++)
153 do_reset(NULL, 0, 0, NULL);
158 /* display infos on fpgaimage */
160 for (i=0; i<4; i++) {
162 printf("%s ", &(dst[index+1]));
170 * Reset FPGA via FPGA_DATA pin
172 SET_FPGA(FPGA_PRG | FPGA_CLK);
173 udelay(1000); /* wait 1ms */
174 SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
175 udelay(1000); /* wait 1ms */
178 * Reset external DUARTs
180 out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */
181 udelay(10); /* wait 10us */
182 out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */
183 udelay(1000); /* wait 1ms */
186 * Set NAND-FLASH GPIO signals to default
188 out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));
189 out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);
192 * Enable interrupts in exar duart mcr[3]
202 * Check Board Identity:
204 int checkboard (void)
207 int i = getenv_r ("serial#", str, sizeof(str));
212 puts ("### No HW ID - assuming PLU405");
220 * Disable sleep mode in LXT971
228 long int initdram (int board_type)
232 mtdcr(memcfga, mem_mb0cf);
233 val = mfdcr(memcfgd);
236 printf("\nmb0cf=%x\n", val); /* test-only */
237 printf("strap=%x\n", mfdcr(strap)); /* test-only */
240 return (4*1024*1024 << ((val & 0x000e0000) >> 17));
246 /* TODO: XXX XXX XXX */
247 printf ("test: 16 MB - ok\n");
253 #ifdef CONFIG_IDE_RESET
254 void ide_set_reset(int on)
256 volatile unsigned short *fpga_mode =
257 (unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
260 * Assert or deassert CompactFlash Reset Pin
262 if (on) { /* assert RESET */
263 *fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);
264 } else { /* release RESET */
265 *fpga_mode |= CFG_FPGA_CTRL_CF_RESET;
268 #endif /* CONFIG_IDE_RESET */
271 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
272 #include <linux/mtd/nand.h>
273 extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
277 nand_probe(CFG_NAND_BASE);
278 if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
279 print_size(nand_dev_desc[0].totlen, "\n");
285 #ifdef CONFIG_AUTO_UPDATE_SHOW
286 void board_auto_update_show(int au_active)
289 printf("\n Dies ist die board-funktion: Updating!!!\n");
291 printf("\n Dies ist die board-funktion: Updating done!!!\n");