]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/esd/pci405/cmd_pci405.c
1d14611293e9c7dbc93abd72e2006f8be3cb2819
2 * (C) Copyright 2002-2004
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,
30 #include <asm/4xx_pci.h>
31 #include <asm/processor.h>
35 #if defined(CONFIG_CMD_BSP)
37 extern int do_bootm (cmd_tbl_t
*, int, int, char *[]);
40 * Command loadpci: wait for signal from host and boot image.
42 int do_loadpci(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
44 unsigned int *ptr
= 0;
58 puts("\nWaiting for image from pci host -");
61 * Wait for host to write the start address
63 while (*ptr
== 0xffffffff) {
67 putc(0x08); /* backspace */
68 putc(str
[count2
% 4]);
71 /* Abort if ctrl-c was pressed */
80 if (*ptr
== PCI_RECONFIG_MAGIC
) {
82 * Save own pci configuration in PRAM
84 memset((char *)PCI_REGS_ADDR
, 0, PCI_REGS_LEN
);
85 ptr
= (unsigned int *)PCI_REGS_ADDR
+ 1;
86 for (i
=0; i
<0x40; i
+=4) {
87 pci_read_config_dword(PCIDEVID_405GP
, i
, ptr
++);
89 ptr
= (unsigned int *)PCI_REGS_ADDR
;
90 *ptr
= crc32(0, (uchar
*)PCI_REGS_ADDR
+4, PCI_REGS_LEN
-4);
92 printf("\nStoring PCI Configuration Regs...\n");
94 sprintf(addr
, "%08x", *ptr
);
97 * Boot image via bootm
99 printf("\nBooting Image at addr 0x%s ...\n", addr
);
100 setenv("loadaddr", addr
);
102 local_args
[0] = argv
[0];
103 local_args
[1] = NULL
;
104 status
= do_bootm (cmdtp
, 0, 1, local_args
);
110 loadpci
, 1, 1, do_loadpci
,
111 "Wait for pci-image and boot it",