* Patches by Kyle Harris, 13 Mar 2003: - Add FAT partition support - Add command support for FAT - Add command support for MMC ---- - Add Intel PXA support for video - Add Intel PXA support for MMC ---- - Enable MMC and FAT for lubbock board - Other misc changes for lubbock boardmaster
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/*
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* (C) Copyright 2002 |
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* Richard Jones, rjones@nexus-tech.net |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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/*
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* Boot support |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <cmd_boot.h> |
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#include <cmd_autoscript.h> |
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#include <s_record.h> |
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#include <net.h> |
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#include <ata.h> |
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#if (CONFIG_COMMANDS & CFG_CMD_FAT) |
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#undef DEBUG |
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#include <fat.h> |
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extern block_dev_desc_t *ide_get_dev (int dev); |
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int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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long size; |
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unsigned long offset; |
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unsigned long count; |
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if (argc < 3) { |
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printf ("usage:fatload <filename> <addr> [bytes]\n"); |
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return (0); |
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} |
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offset = simple_strtoul (argv[2], NULL, 16); |
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if (argc == 4) |
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count = simple_strtoul (argv[3], NULL, 16); |
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else |
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count = 0; |
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size = file_fat_read (argv[1], (unsigned char *) offset, count); |
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printf ("%ld bytes read\n", size); |
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return size; |
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} |
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int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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char *filename = "/"; |
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int ret; |
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if (argc == 2) |
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ret = file_fat_ls (argv[1]); |
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else |
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ret = file_fat_ls (filename); |
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return (ret); |
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} |
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int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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int ret; |
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ret = 0; |
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printf ("FAT info: %d\n", file_fat_detectfs ()); |
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return (ret); |
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} |
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#ifdef NOT_IMPLEMENTED_YET |
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/* find first device whose first partition is a DOS filesystem */ |
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int find_fat_partition (void) |
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{ |
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int i, j; |
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block_dev_desc_t *dev_desc; |
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unsigned char *part_table; |
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unsigned char buffer[ATA_BLOCKSIZE]; |
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for (i = 0; i < CFG_IDE_MAXDEVICE; i++) { |
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dev_desc = ide_get_dev (i); |
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if (!dev_desc) { |
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debug ("couldn't get ide device!\n"); |
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return (-1); |
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} |
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if (dev_desc->part_type == PART_TYPE_DOS) { |
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if (dev_desc-> |
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block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) { |
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debug ("can't perform block_read!\n"); |
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return (-1); |
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} |
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part_table = &buffer[0x1be]; /* start with partition #4 */ |
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for (j = 0; j < 4; j++) { |
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if ((part_table[4] == 1 || /* 12-bit FAT */ |
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part_table[4] == 4 || /* 16-bit FAT */ |
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part_table[4] == 6) && /* > 32Meg part */ |
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part_table[0] == 0x80) { /* bootable? */ |
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curr_dev = i; |
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part_offset = part_table[11]; |
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part_offset <<= 8; |
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part_offset |= part_table[10]; |
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part_offset <<= 8; |
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part_offset |= part_table[9]; |
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part_offset <<= 8; |
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part_offset |= part_table[8]; |
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debug ("found partition start at %ld\n", part_offset); |
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return (0); |
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} |
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part_table += 16; |
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} |
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} |
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} |
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debug ("no valid devices found!\n"); |
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return (-1); |
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} |
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int |
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do_fat_dump (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) |
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{ |
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__u8 block[1024]; |
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int ret; |
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int bknum; |
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ret = 0; |
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if (argc != 2) { |
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printf ("needs an argument!\n"); |
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return (0); |
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} |
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bknum = simple_strtoul (argv[1], NULL, 10); |
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if (disk_read (0, bknum, block) != 0) { |
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printf ("Error: reading block\n"); |
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return -1; |
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} |
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printf ("FAT dump: %d\n", bknum); |
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hexdump (512, block); |
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return (ret); |
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} |
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int disk_read (__u32 startblock, __u32 getsize, __u8 *bufptr) |
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{ |
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ulong tot; |
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block_dev_desc_t *dev_desc; |
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if (curr_dev < 0) { |
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if (find_fat_partition () != 0) |
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return (-1); |
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} |
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dev_desc = ide_get_dev (curr_dev); |
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if (!dev_desc) { |
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debug ("couldn't get ide device\n"); |
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return (-1); |
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} |
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tot = dev_desc->block_read (0, startblock + part_offset, |
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getsize, (ulong *) bufptr); |
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/* should we do this here?
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flush_cache ((ulong)buf, cnt*ide_dev_desc[device].blksz); |
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*/ |
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if (tot == getsize) |
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return (0); |
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debug ("unable to read from device!\n"); |
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return (-1); |
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} |
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static int isprint (unsigned char ch) |
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{ |
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if (ch >= 32 && ch < 127) |
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return (1); |
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return (0); |
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} |
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void hexdump (int cnt, unsigned char *data) |
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{ |
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int i; |
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int run; |
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int offset; |
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offset = 0; |
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while (cnt) { |
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printf ("%04X : ", offset); |
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if (cnt >= 16) |
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run = 16; |
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else |
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run = cnt; |
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cnt -= run; |
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for (i = 0; i < run; i++) |
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printf ("%02X ", (unsigned int) data[i]); |
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printf (": "); |
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for (i = 0; i < run; i++) |
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printf ("%c", isprint (data[i]) ? data[i] : '.'); |
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printf ("\n"); |
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data = &data[16]; |
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offset += run; |
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} |
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} |
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#endif /* NOT_IMPLEMENTED_YET */ |
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#endif /* CFG_CMD_FAT */ |
@ -0,0 +1,40 @@ |
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/*
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* (C) Copyright 2003 |
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* Kyle Harris, kharris@nexus-tech.net |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#if (CONFIG_COMMANDS & CFG_CMD_MMC) |
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#include <mmc.h> |
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int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
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{ |
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if (mmc_init (1) != 0) { |
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printf ("No MMC card found\n"); |
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return 1; |
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} |
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return 0; |
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} |
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#endif /* CFG_CMD_MMC */ |
@ -0,0 +1,483 @@ |
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/*
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* (C) Copyright 2003 |
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* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <config.h> |
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#include <common.h> |
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#include <mmc.h> |
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#include <asm/errno.h> |
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#include <asm/arch/hardware.h> |
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#ifdef CONFIG_MMC |
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extern int |
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fat_register_read(int(*block_read)(int device, ulong blknr, ulong blkcnt, uchar *buffer)); |
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/*
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* FIXME needs to read cid and csd info to determine block size |
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* and other parameters |
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*/ |
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static uchar mmc_buf[MMC_BLOCK_SIZE]; |
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static mmc_csd_t mmc_csd; |
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static int mmc_ready = 0; |
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static uchar *
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/****************************************************/ |
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mmc_cmd(ushort cmd, ushort argh, ushort argl, ushort cmdat) |
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/****************************************************/ |
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{ |
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static uchar resp[20]; |
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ulong status; |
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int words, i; |
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debug("mmc_cmd %x %x %x %x\n", cmd, argh, argl, cmdat); |
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MMC_STRPCL = MMC_STRPCL_STOP_CLK; |
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MMC_I_MASK = ~MMC_I_MASK_CLK_IS_OFF; |
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while (!(MMC_I_REG & MMC_I_REG_CLK_IS_OFF)); |
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MMC_CMD = cmd;
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MMC_ARGH = argh; |
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MMC_ARGL = argl; |
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MMC_CMDAT = cmdat; |
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MMC_I_MASK = ~MMC_I_MASK_END_CMD_RES; |
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MMC_STRPCL = MMC_STRPCL_START_CLK; |
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while (!(MMC_I_REG & MMC_I_REG_END_CMD_RES)); |
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status = MMC_STAT; |
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debug("MMC status %x\n", status); |
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if (status & MMC_STAT_TIME_OUT_RESPONSE) |
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{ |
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return 0; |
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} |
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switch (cmdat & 0x3) |
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{ |
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case MMC_CMDAT_R1: |
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case MMC_CMDAT_R3: |
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words = 3;
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break; |
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case MMC_CMDAT_R2: |
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words = 8;
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break; |
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default: |
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return 0; |
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} |
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for (i = words-1; i >= 0; i--) |
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{ |
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ulong res_fifo = MMC_RES; |
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int offset = i << 1; |
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resp[offset] = ((uchar *)&res_fifo)[0]; |
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resp[offset+1] = ((uchar *)&res_fifo)[1]; |
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} |
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#ifdef MMC_DEBUG |
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for (i=0; i<words*2; i += 2) |
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{ |
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printf("MMC resp[%d] = %02x\n", i, resp[i]); |
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printf("MMC resp[%d] = %02x\n", i+1, resp[i+1]); |
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} |
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#endif |
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return resp; |
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} |
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int |
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/****************************************************/ |
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mmc_block_read(uchar *dst, ulong src, ulong len) |
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/****************************************************/ |
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{ |
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uchar *resp; |
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ushort argh, argl; |
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ulong status; |
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if (len == 0) |
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{ |
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return 0; |
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} |
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debug("mmc_block_rd dst %lx src %lx len %d\n", (ulong)dst, src, len); |
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argh = len >> 16; |
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argl = len & 0xffff; |
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/* set block len */ |
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resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1); |
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/* send read command */ |
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argh = src >> 16; |
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argl = src & 0xffff; |
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MMC_STRPCL = MMC_STRPCL_STOP_CLK; |
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MMC_RDTO = 0xffff; |
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MMC_NOB = 1; |
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MMC_BLKLEN = len; |
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resp = mmc_cmd(MMC_CMD_READ_BLOCK, argh, argl,
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MMC_CMDAT_R1|MMC_CMDAT_READ|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN); |
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MMC_I_MASK = ~MMC_I_MASK_RXFIFO_RD_REQ; |
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while (len) |
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{ |
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if (MMC_I_REG & MMC_I_REG_RXFIFO_RD_REQ) |
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{ |
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*dst++ = MMC_RXFIFO; |
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len--; |
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} |
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status = MMC_STAT; |
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if (status & MMC_STAT_ERRORS) |
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{ |
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printf("MMC_STAT error %lx\n", status); |
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return -1; |
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} |
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} |
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MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE; |
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while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE)); |
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status = MMC_STAT; |
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if (status & MMC_STAT_ERRORS) |
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{ |
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printf("MMC_STAT error %lx\n", status); |
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return -1; |
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} |
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return 0; |
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} |
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int |
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/****************************************************/ |
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mmc_block_write(ulong dst, uchar *src, int len) |
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/****************************************************/ |
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{ |
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uchar *resp; |
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ushort argh, argl; |
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ulong status; |
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if (len == 0) |
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{ |
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return 0; |
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} |
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debug("mmc_block_wr dst %lx src %lx len %d\n", dst, (ulong)src, len); |
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argh = len >> 16; |
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argl = len & 0xffff; |
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/* set block len */ |
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resp = mmc_cmd(MMC_CMD_SET_BLOCKLEN, argh, argl, MMC_CMDAT_R1); |
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/* send write command */ |
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argh = dst >> 16; |
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argl = dst & 0xffff; |
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MMC_STRPCL = MMC_STRPCL_STOP_CLK; |
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MMC_NOB = 1; |
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MMC_BLKLEN = len; |
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resp = mmc_cmd(MMC_CMD_WRITE_BLOCK, argh, argl,
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MMC_CMDAT_R1|MMC_CMDAT_WRITE|MMC_CMDAT_BLOCK|MMC_CMDAT_DATA_EN); |
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MMC_I_MASK = ~MMC_I_MASK_TXFIFO_WR_REQ; |
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while (len) |
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{ |
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if (MMC_I_REG & MMC_I_REG_TXFIFO_WR_REQ) |
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{ |
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int i, bytes = min(32,len); |
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for (i=0; i<bytes; i++) |
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{ |
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MMC_TXFIFO = *src++; |
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} |
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if (bytes < 32) |
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{ |
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MMC_PRTBUF = MMC_PRTBUF_BUF_PART_FULL; |
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} |
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len -= bytes; |
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} |
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status = MMC_STAT; |
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if (status & MMC_STAT_ERRORS) |
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{ |
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printf("MMC_STAT error %lx\n", status); |
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return -1; |
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} |
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} |
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MMC_I_MASK = ~MMC_I_MASK_DATA_TRAN_DONE; |
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while (!(MMC_I_REG & MMC_I_REG_DATA_TRAN_DONE)); |
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MMC_I_MASK = ~MMC_I_MASK_PRG_DONE; |
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while (!(MMC_I_REG & MMC_I_REG_PRG_DONE)); |
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status = MMC_STAT; |
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if (status & MMC_STAT_ERRORS) |
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{ |
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printf("MMC_STAT error %lx\n", status); |
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return -1; |
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} |
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return 0; |
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} |
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int |
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/****************************************************/ |
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mmc_read(ulong src, uchar *dst, int size) |
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/****************************************************/ |
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{ |
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ulong end, part_start, part_end, part_len, aligned_start, aligned_end; |
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ulong mmc_block_size, mmc_block_address; |
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if (size == 0) |
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{ |
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return 0; |
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} |
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if (!mmc_ready) |
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{ |
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printf("Please initial the MMC first\n"); |
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return -1; |
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} |
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mmc_block_size = MMC_BLOCK_SIZE; |
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mmc_block_address = ~(mmc_block_size - 1); |
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src -= CFG_MMC_BASE; |
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end = src + size; |
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part_start = ~mmc_block_address & src; |
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part_end = ~mmc_block_address & end; |
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aligned_start = mmc_block_address & src; |
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aligned_end = mmc_block_address & end; |
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/* all block aligned accesses */ |
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debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
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src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
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if (part_start) |
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{ |
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part_len = mmc_block_size - part_start; |
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debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
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src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
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if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) |
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{ |
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return -1; |
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} |
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memcpy(dst, mmc_buf+part_start, part_len); |
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dst += part_len; |
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src += part_len; |
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} |
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debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
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src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
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for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size) |
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{ |
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debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
} |
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if (part_end && src < end) |
||||
{ |
||||
debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
memcpy(dst, mmc_buf, part_end); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
int |
||||
/****************************************************/ |
||||
mmc_write(uchar *src, ulong dst, int size) |
||||
/****************************************************/ |
||||
{ |
||||
ulong end, part_start, part_end, part_len, aligned_start, aligned_end; |
||||
ulong mmc_block_size, mmc_block_address; |
||||
|
||||
if (size == 0) |
||||
{ |
||||
return 0; |
||||
} |
||||
|
||||
if (!mmc_ready) |
||||
{ |
||||
printf("Please initial the MMC first\n"); |
||||
return -1; |
||||
} |
||||
|
||||
mmc_block_size = MMC_BLOCK_SIZE; |
||||
mmc_block_address = ~(mmc_block_size - 1); |
||||
|
||||
dst -= CFG_MMC_BASE; |
||||
end = dst + size; |
||||
part_start = ~mmc_block_address & dst; |
||||
part_end = ~mmc_block_address & end; |
||||
aligned_start = mmc_block_address & dst; |
||||
aligned_end = mmc_block_address & end; |
||||
|
||||
/* all block aligned accesses */ |
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if (part_start) |
||||
{ |
||||
part_len = mmc_block_size - part_start; |
||||
debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
(ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
memcpy(mmc_buf+part_start, src, part_len); |
||||
if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
dst += part_len; |
||||
src += part_len; |
||||
} |
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size) |
||||
{ |
||||
debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
} |
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if (part_end && dst < end) |
||||
{ |
||||
debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n", |
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end); |
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
memcpy(mmc_buf, src, part_end); |
||||
if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0) |
||||
{ |
||||
return -1; |
||||
} |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
int
|
||||
/****************************************************/ |
||||
mmc_bread(int dev_num, ulong blknr, ulong blkcnt, uchar *dst) |
||||
/****************************************************/ |
||||
{ |
||||
int mmc_block_size = MMC_BLOCK_SIZE; |
||||
ulong src = blknr * mmc_block_size + CFG_MMC_BASE; |
||||
|
||||
mmc_read(src, (uchar *)dst, blkcnt*mmc_block_size); |
||||
return blkcnt; |
||||
} |
||||
|
||||
int |
||||
/****************************************************/ |
||||
mmc_init(int verbose) |
||||
/****************************************************/ |
||||
{ |
||||
int retries, rc = -ENODEV; |
||||
uchar *resp; |
||||
|
||||
#ifdef CONFIG_LUBBOCK |
||||
set_GPIO_mode( GPIO6_MMCCLK_MD ); |
||||
set_GPIO_mode( GPIO8_MMCCS0_MD ); |
||||
#endif |
||||
CKEN |= CKEN12_MMC; /* enable MMC unit clock */ |
||||
|
||||
mmc_csd.c_size = 0; |
||||
|
||||
MMC_CLKRT = MMC_CLKRT_0_3125MHZ; |
||||
MMC_RESTO = MMC_RES_TO_MAX;
|
||||
MMC_SPI = MMC_SPI_DISABLE; |
||||
|
||||
/* reset */ |
||||
retries = 10; |
||||
resp = mmc_cmd(0, 0, 0, 0); |
||||
resp = mmc_cmd(1, 0x00ff, 0xc000, MMC_CMDAT_INIT|MMC_CMDAT_BUSY|MMC_CMDAT_R3); |
||||
while (retries-- && resp && !(resp[4] & 0x80)) |
||||
{ |
||||
debug("resp %x %x\n", resp[0], resp[1]); |
||||
udelay(50); |
||||
resp = mmc_cmd(1, 0x00ff, 0xff00, MMC_CMDAT_BUSY|MMC_CMDAT_R3); |
||||
} |
||||
|
||||
/* try to get card id */ |
||||
resp = mmc_cmd(2, 0, 0, MMC_CMDAT_R2); |
||||
if (resp) |
||||
{ |
||||
/* TODO configure mmc driver depending on card attributes */ |
||||
mmc_cid_t *cid = (mmc_cid_t *)resp; |
||||
if (verbose) |
||||
{ |
||||
printf("MMC found. Card desciption is:\n"); |
||||
printf("Manufacturer ID = %02x%02x%02x\n",
|
||||
cid->id[0], cid->id[1], cid->id[2]); |
||||
printf("HW/FW Revision = %x %x\n",cid->hwrev, cid->fwrev); |
||||
cid->hwrev = cid->fwrev = 0; /* null terminate string */ |
||||
printf("Product Name = %s\n",cid->name); |
||||
printf("Serial Number = %02x%02x%02x\n",
|
||||
cid->sn[0], cid->sn[1], cid->sn[2]); |
||||
printf("Month = %d\n",cid->month); |
||||
printf("Year = %d\n",1997 + cid->year); |
||||
} |
||||
|
||||
/* MMC exists, get CSD too */ |
||||
resp = mmc_cmd(MMC_CMD_SET_RCA, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1); |
||||
resp = mmc_cmd(MMC_CMD_SEND_CSD, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R2); |
||||
if (resp) |
||||
{ |
||||
mmc_csd_t *csd = (mmc_csd_t *)resp; |
||||
memcpy(&mmc_csd, csd, sizeof(csd)); |
||||
rc = 0; |
||||
mmc_ready = 1; |
||||
/* FIXME add verbose printout for csd */ |
||||
} |
||||
} |
||||
|
||||
MMC_CLKRT = 0; /* 20 MHz */ |
||||
resp = mmc_cmd(7, MMC_DEFAULT_RCA, 0, MMC_CMDAT_R1); |
||||
|
||||
fat_register_read(mmc_bread); |
||||
|
||||
return rc; |
||||
} |
||||
|
||||
int |
||||
mmc_ident(block_dev_desc_t *dev) |
||||
{ |
||||
return 0; |
||||
} |
||||
|
||||
int |
||||
mmc2info(ulong addr) |
||||
{ |
||||
/* FIXME hard codes to 32 MB device */ |
||||
if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000) |
||||
{ |
||||
return 1; |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
#endif |
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,46 @@ |
||||
#
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
TOPDIR=../../
|
||||
|
||||
include $(TOPDIR)/config.mk |
||||
|
||||
LIB = libfat.a
|
||||
|
||||
AOBJS =
|
||||
COBJS = fat.o file.o
|
||||
|
||||
OBJS = $(AOBJS) $(COBJS)
|
||||
|
||||
all: $(LIB) $(AOBJS) |
||||
|
||||
$(LIB): .depend $(OBJS) |
||||
$(AR) crv $@ $(OBJS)
|
||||
|
||||
|
||||
#########################################################################
|
||||
|
||||
.depend: Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c) |
||||
$(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@
|
||||
|
||||
sinclude .depend |
||||
|
||||
#########################################################################
|
@ -0,0 +1,901 @@ |
||||
/*
|
||||
* fat.c |
||||
* |
||||
* R/O (V)FAT 12/16/32 filesystem implementation by Marcus Sundberg |
||||
* |
||||
* 2002-07-28 - rjones@nexus-tech.net - ported to ppcboot v1.1.6 |
||||
* 2003-03-10 - kharris@nexus-tech.net - ported to uboot |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <config.h> |
||||
#include <fat.h> |
||||
#include <asm/byteorder.h> |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_FAT) |
||||
|
||||
/*
|
||||
* Convert a string to lowercase. |
||||
*/ |
||||
static void |
||||
downcase(char *str) |
||||
{ |
||||
while (*str != '\0') { |
||||
TOLOWER(*str); |
||||
str++; |
||||
} |
||||
} |
||||
|
||||
int (*dev_block_read)(int device, __u32 blknr, __u32 blkcnt, __u8 *buffer) = 0; |
||||
|
||||
int disk_read (__u32 startblock, __u32 getsize, __u8 * bufptr) |
||||
{ |
||||
/* FIXME we need to determine the start block of the
|
||||
* partition where the DOS FS resides |
||||
*/ |
||||
startblock += 32; |
||||
|
||||
if (dev_block_read) { |
||||
return dev_block_read (0, startblock, getsize, bufptr); |
||||
} |
||||
return -1; |
||||
} |
||||
|
||||
|
||||
int |
||||
fat_register_read (int (*block_read)(int, __u32, __u32, __u8 *)) |
||||
{ |
||||
dev_block_read = block_read; |
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Get the first occurence of a directory delimiter ('/' or '\') in a string. |
||||
* Return index into string if found, -1 otherwise. |
||||
*/ |
||||
static int |
||||
dirdelim(char *str) |
||||
{ |
||||
char *start = str; |
||||
|
||||
while (*str != '\0') { |
||||
if (ISDIRDELIM(*str)) return str - start; |
||||
str++; |
||||
} |
||||
return -1; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Match volume_info fs_type strings. |
||||
* Return 0 on match, -1 otherwise. |
||||
*/ |
||||
static int |
||||
compare_sign(char *str1, char *str2) |
||||
{ |
||||
char *end = str1+SIGNLEN; |
||||
|
||||
while (str1 != end) { |
||||
if (*str1 != *str2) { |
||||
return -1; |
||||
} |
||||
str1++; |
||||
str2++; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Extract zero terminated short name from a directory entry. |
||||
*/ |
||||
static void get_name (dir_entry *dirent, char *s_name) |
||||
{ |
||||
char *ptr; |
||||
|
||||
memcpy (s_name, dirent->name, 8); |
||||
s_name[8] = '\0'; |
||||
ptr = s_name; |
||||
while (*ptr && *ptr != ' ') |
||||
ptr++; |
||||
if (dirent->ext[0] && dirent->ext[0] != ' ') { |
||||
*ptr = '.'; |
||||
ptr++; |
||||
memcpy (ptr, dirent->ext, 3); |
||||
ptr[3] = '\0'; |
||||
while (*ptr && *ptr != ' ') |
||||
ptr++; |
||||
} |
||||
*ptr = '\0'; |
||||
if (*s_name == DELETED_FLAG) |
||||
*s_name = '\0'; |
||||
else if (*s_name == aRING) |
||||
*s_name = 'å'; |
||||
downcase (s_name); |
||||
} |
||||
|
||||
/*
|
||||
* Get the entry at index 'entry' in a FAT (12/16/32) table. |
||||
* On failure 0x00 is returned. |
||||
*/ |
||||
static __u32 |
||||
get_fatent(fsdata *mydata, __u32 entry) |
||||
{ |
||||
__u32 bufnum; |
||||
__u32 offset; |
||||
__u32 ret = 0x00; |
||||
|
||||
switch (mydata->fatsize) { |
||||
case 32: |
||||
bufnum = entry / FAT32BUFSIZE; |
||||
offset = entry - bufnum * FAT32BUFSIZE; |
||||
break; |
||||
case 16: |
||||
bufnum = entry / FAT16BUFSIZE; |
||||
offset = entry - bufnum * FAT16BUFSIZE; |
||||
break; |
||||
case 12: |
||||
bufnum = entry / FAT12BUFSIZE; |
||||
offset = entry - bufnum * FAT12BUFSIZE; |
||||
break; |
||||
|
||||
default: |
||||
/* Unsupported FAT size */ |
||||
return ret; |
||||
} |
||||
|
||||
/* Read a new block of FAT entries into the cache. */ |
||||
if (bufnum != mydata->fatbufnum) { |
||||
int getsize = FATBUFSIZE/FS_BLOCK_SIZE; |
||||
__u8 *bufptr = mydata->fatbuf; |
||||
__u32 fatlength = mydata->fatlength; |
||||
__u32 startblock = bufnum * FATBUFBLOCKS; |
||||
|
||||
fatlength *= SECTOR_SIZE; /* We want it in bytes now */ |
||||
startblock += mydata->fat_sect; /* Offset from start of disk */ |
||||
|
||||
if (getsize > fatlength) getsize = fatlength; |
||||
if (disk_read(startblock, getsize, bufptr) < 0) { |
||||
FAT_DPRINT("Error reading FAT blocks\n"); |
||||
return ret; |
||||
} |
||||
mydata->fatbufnum = bufnum; |
||||
} |
||||
|
||||
/* Get the actual entry from the table */ |
||||
switch (mydata->fatsize) { |
||||
case 32: |
||||
ret = FAT2CPU32(((__u32*)mydata->fatbuf)[offset]); |
||||
break; |
||||
case 16: |
||||
ret = FAT2CPU16(((__u16*)mydata->fatbuf)[offset]); |
||||
break; |
||||
case 12: { |
||||
__u32 off16 = (offset*3)/4; |
||||
__u16 val1, val2; |
||||
|
||||
switch (offset & 0x3) { |
||||
case 0: |
||||
ret = FAT2CPU16(((__u16*)mydata->fatbuf)[off16]); |
||||
ret &= 0xfff; |
||||
break; |
||||
case 1: |
||||
val1 = FAT2CPU16(((__u16*)mydata->fatbuf)[off16]); |
||||
val1 &= 0xf000; |
||||
val2 = FAT2CPU16(((__u16*)mydata->fatbuf)[off16+1]); |
||||
val2 &= 0x00ff; |
||||
ret = (val2 << 4) | (val1 >> 12); |
||||
break; |
||||
case 2: |
||||
val1 = FAT2CPU16(((__u16*)mydata->fatbuf)[off16]); |
||||
val1 &= 0xff00; |
||||
val2 = FAT2CPU16(((__u16*)mydata->fatbuf)[off16+1]); |
||||
val2 &= 0x000f; |
||||
ret = (val2 << 8) | (val1 >> 8); |
||||
break; |
||||
case 3: |
||||
ret = FAT2CPU16(((__u16*)mydata->fatbuf)[off16]);; |
||||
ret = (ret & 0xfff0) >> 4; |
||||
break; |
||||
default: |
||||
break; |
||||
} |
||||
} |
||||
break; |
||||
} |
||||
FAT_DPRINT("ret: %d, offset: %d\n", ret, offset); |
||||
|
||||
return ret; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Read at most 'size' bytes from the specified cluster into 'buffer'. |
||||
* Return 0 on success, -1 otherwise. |
||||
*/ |
||||
static int |
||||
get_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer, unsigned long size) |
||||
{ |
||||
int idx = 0; |
||||
__u32 startsect; |
||||
|
||||
if (clustnum > 0) { |
||||
startsect = mydata->data_begin + clustnum*mydata->clust_size; |
||||
} else { |
||||
startsect = mydata->rootdir_sect; |
||||
} |
||||
|
||||
FAT_DPRINT("gc - clustnum: %d, startsect: %d\n", clustnum, startsect); |
||||
while (size > 0) { |
||||
if (size >= FS_BLOCK_SIZE) { |
||||
if (disk_read(startsect + idx, 1, buffer) < 0) { |
||||
FAT_DPRINT("Error reading data\n"); |
||||
return -1; |
||||
} |
||||
} else { |
||||
__u8 tmpbuf[FS_BLOCK_SIZE]; |
||||
if (disk_read(startsect + idx, 1, tmpbuf) < 0) { |
||||
FAT_DPRINT("Error reading data\n"); |
||||
return -1; |
||||
} |
||||
memcpy(buffer, tmpbuf, size); |
||||
|
||||
return 0; |
||||
} |
||||
buffer += FS_BLOCK_SIZE; |
||||
size -= FS_BLOCK_SIZE; |
||||
idx++; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Read at most 'maxsize' bytes from the file associated with 'dentptr' |
||||
* into 'buffer'. |
||||
* Return the number of bytes read or -1 on fatal errors. |
||||
*/ |
||||
static long |
||||
get_contents(fsdata *mydata, dir_entry *dentptr, __u8 *buffer, |
||||
unsigned long maxsize) |
||||
{ |
||||
unsigned long filesize = FAT2CPU32(dentptr->size), gotsize = 0; |
||||
unsigned int bytesperclust = mydata->clust_size * SECTOR_SIZE; |
||||
__u32 curclust = START(dentptr); |
||||
|
||||
FAT_DPRINT("Filesize: %ld bytes\n", filesize); |
||||
|
||||
if (maxsize > 0 && filesize > maxsize) filesize = maxsize; |
||||
|
||||
FAT_DPRINT("Reading: %ld bytes\n", filesize); |
||||
|
||||
do { |
||||
int getsize = (filesize > bytesperclust) ? bytesperclust : |
||||
filesize; |
||||
|
||||
if (get_cluster(mydata, curclust, buffer, getsize) != 0) { |
||||
FAT_ERROR("Error reading cluster\n"); |
||||
return -1; |
||||
} |
||||
gotsize += getsize; |
||||
filesize -= getsize; |
||||
if (filesize <= 0) return gotsize; |
||||
buffer += getsize; |
||||
|
||||
curclust = get_fatent(mydata, curclust); |
||||
if (curclust <= 0x0001 || curclust >= 0xfff0) { |
||||
FAT_DPRINT("curclust: 0x%x\n", curclust); |
||||
FAT_ERROR("Invalid FAT entry\n"); |
||||
return gotsize; |
||||
} |
||||
} while (1); |
||||
} |
||||
|
||||
|
||||
#ifdef CONFIG_SUPPORT_VFAT |
||||
/*
|
||||
* Extract the file name information from 'slotptr' into 'l_name', |
||||
* starting at l_name[*idx]. |
||||
* Return 1 if terminator (zero byte) is found, 0 otherwise. |
||||
*/ |
||||
static int |
||||
slot2str(dir_slot *slotptr, char *l_name, int *idx) |
||||
{ |
||||
int j; |
||||
|
||||
for (j = 0; j <= 8; j += 2) { |
||||
l_name[*idx] = slotptr->name0_4[j]; |
||||
if (l_name[*idx] == 0x00) return 1; |
||||
(*idx)++; |
||||
} |
||||
for (j = 0; j <= 10; j += 2) { |
||||
l_name[*idx] = slotptr->name5_10[j]; |
||||
if (l_name[*idx] == 0x00) return 1; |
||||
(*idx)++; |
||||
} |
||||
for (j = 0; j <= 2; j += 2) { |
||||
l_name[*idx] = slotptr->name11_12[j]; |
||||
if (l_name[*idx] == 0x00) return 1; |
||||
(*idx)++; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Extract the full long filename starting at 'retdent' (which is really |
||||
* a slot) into 'l_name'. If successful also copy the real directory entry |
||||
* into 'retdent' |
||||
* Return 0 on success, -1 otherwise. |
||||
*/ |
||||
static int |
||||
get_vfatname(fsdata *mydata, int curclust, __u8 *cluster, |
||||
dir_entry *retdent, char *l_name) |
||||
{ |
||||
dir_entry *realdent; |
||||
dir_slot *slotptr = (dir_slot*) retdent; |
||||
__u8 *nextclust = cluster + mydata->clust_size * SECTOR_SIZE; |
||||
__u8 counter = slotptr->id & 0xf; |
||||
int idx = 0; |
||||
|
||||
while ((__u8*)slotptr < nextclust) { |
||||
if (counter == 0) break; |
||||
if ((slotptr->id & 0x0f) != counter) return -1; |
||||
slotptr++; |
||||
counter--; |
||||
} |
||||
|
||||
if ((__u8*)slotptr >= nextclust) { |
||||
__u8 block[MAX_CLUSTSIZE]; |
||||
dir_slot *slotptr2; |
||||
|
||||
slotptr--; |
||||
curclust = get_fatent(mydata, curclust); |
||||
if (curclust <= 0x0001 || curclust >= 0xfff0) { |
||||
FAT_DPRINT("curclust: 0x%x\n", curclust); |
||||
FAT_ERROR("Invalid FAT entry\n"); |
||||
return -1; |
||||
} |
||||
if (get_cluster(mydata, curclust, block, |
||||
mydata->clust_size * SECTOR_SIZE) != 0) { |
||||
FAT_DPRINT("Error: reading directory block\n"); |
||||
return -1; |
||||
} |
||||
slotptr2 = (dir_slot*) block; |
||||
while (slotptr2->id > 0x01) { |
||||
slotptr2++; |
||||
} |
||||
/* Save the real directory entry */ |
||||
realdent = (dir_entry*)slotptr2 + 1; |
||||
while ((__u8*)slotptr2 >= block) { |
||||
slot2str(slotptr2, l_name, &idx); |
||||
slotptr2--; |
||||
} |
||||
} else { |
||||
/* Save the real directory entry */ |
||||
realdent = (dir_entry*)slotptr; |
||||
} |
||||
|
||||
do { |
||||
slotptr--; |
||||
if (slot2str(slotptr, l_name, &idx)) break; |
||||
} while (!(slotptr->id & 0x40)); |
||||
|
||||
l_name[idx] = '\0'; |
||||
if (*l_name == DELETED_FLAG) *l_name = '\0'; |
||||
else if (*l_name == aRING) *l_name = 'å'; |
||||
downcase(l_name); |
||||
|
||||
/* Return the real directory entry */ |
||||
memcpy(retdent, realdent, sizeof(dir_entry)); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
/* Calculate short name checksum */ |
||||
static __u8 |
||||
mkcksum(const char *str) |
||||
{ |
||||
int i; |
||||
__u8 ret = 0; |
||||
|
||||
for (i = 0; i < 11; i++) { |
||||
ret = (((ret&1)<<7)|((ret&0xfe)>>1)) + str[i]; |
||||
} |
||||
|
||||
return ret; |
||||
} |
||||
#endif |
||||
|
||||
|
||||
/*
|
||||
* Get the directory entry associated with 'filename' from the directory |
||||
* starting at 'startsect' |
||||
*/ |
||||
static dir_entry *get_dentfromdir (fsdata * mydata, int startsect, |
||||
char *filename, dir_entry * retdent, |
||||
int dols) |
||||
{ |
||||
__u16 prevcksum = 0xffff; |
||||
__u8 block[MAX_CLUSTSIZE]; |
||||
__u32 curclust = START (retdent); |
||||
int files = 0, dirs = 0; |
||||
|
||||
FAT_DPRINT ("get_dentfromdir: %s\n", filename); |
||||
while (1) { |
||||
dir_entry *dentptr; |
||||
int i; |
||||
|
||||
if (get_cluster (mydata, curclust, block, |
||||
mydata->clust_size * SECTOR_SIZE) != 0) { |
||||
FAT_DPRINT ("Error: reading directory block\n"); |
||||
return NULL; |
||||
} |
||||
dentptr = (dir_entry *) block; |
||||
for (i = 0; i < DIRENTSPERCLUST; i++) { |
||||
char s_name[14], l_name[256]; |
||||
|
||||
l_name[0] = '\0'; |
||||
if ((dentptr->attr & ATTR_VOLUME)) { |
||||
#ifdef CONFIG_SUPPORT_VFAT |
||||
if ((dentptr->attr & ATTR_VFAT) && |
||||
(dentptr->name[0] & 0x40)) { |
||||
prevcksum = ((dir_slot *) dentptr) |
||||
->alias_checksum; |
||||
get_vfatname (mydata, curclust, block, |
||||
dentptr, l_name); |
||||
if (dols) { |
||||
int isdir = (dentptr->attr & ATTR_DIR); |
||||
char dirc; |
||||
int doit = 0; |
||||
|
||||
if (isdir) { |
||||
dirs++; |
||||
dirc = '/'; |
||||
doit = 1; |
||||
} else { |
||||
dirc = ' '; |
||||
if (l_name[0] != 0) { |
||||
files++; |
||||
doit = 1; |
||||
} |
||||
} |
||||
if (doit) { |
||||
if (dirc == ' ') { |
||||
printf (" %8ld %s%c\n", |
||||
(long) FAT2CPU32 (dentptr->size), |
||||
l_name, dirc); |
||||
} else { |
||||
printf (" %s%c\n", l_name, dirc); |
||||
} |
||||
} |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
FAT_DPRINT ("vfatname: |%s|\n", l_name); |
||||
} else |
||||
#endif |
||||
{ |
||||
/* Volume label or VFAT entry */ |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
} |
||||
if (dentptr->name[0] == 0) { |
||||
if (dols) { |
||||
printf ("\n%d file(s), %d dir(s)\n\n", files, dirs); |
||||
} |
||||
FAT_DPRINT ("Dentname == NULL - %d\n", i); |
||||
return NULL; |
||||
} |
||||
#ifdef CONFIG_SUPPORT_VFAT |
||||
if (dols && mkcksum (dentptr->name) == prevcksum) { |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
#endif |
||||
get_name (dentptr, s_name); |
||||
if (dols) { |
||||
int isdir = (dentptr->attr & ATTR_DIR); |
||||
char dirc; |
||||
int doit = 0; |
||||
|
||||
if (isdir) { |
||||
dirs++; |
||||
dirc = '/'; |
||||
doit = 1; |
||||
} else { |
||||
dirc = ' '; |
||||
if (s_name[0] != 0) { |
||||
files++; |
||||
doit = 1; |
||||
} |
||||
} |
||||
if (doit) { |
||||
if (dirc == ' ') { |
||||
printf (" %8ld %s%c\n", |
||||
(long) FAT2CPU32 (dentptr->size), s_name, |
||||
dirc); |
||||
} else { |
||||
printf (" %s%c\n", s_name, dirc); |
||||
} |
||||
} |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
if (strcmp (filename, s_name) && strcmp (filename, l_name)) { |
||||
FAT_DPRINT ("Mismatch: |%s|%s|\n", s_name, l_name); |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
memcpy (retdent, dentptr, sizeof (dir_entry)); |
||||
|
||||
FAT_DPRINT ("DentName: %s", s_name); |
||||
FAT_DPRINT (", start: 0x%x", START (dentptr)); |
||||
FAT_DPRINT (", size: 0x%x %s\n", |
||||
FAT2CPU32 (dentptr->size), |
||||
(dentptr->attr & ATTR_DIR) ? "(DIR)" : ""); |
||||
|
||||
return retdent; |
||||
} |
||||
curclust = get_fatent (mydata, curclust); |
||||
if (curclust <= 0x0001 || curclust >= 0xfff0) { |
||||
FAT_DPRINT ("curclust: 0x%x\n", curclust); |
||||
FAT_ERROR ("Invalid FAT entry\n"); |
||||
return NULL; |
||||
} |
||||
} |
||||
|
||||
return NULL; |
||||
} |
||||
|
||||
|
||||
/*
|
||||
* Read boot sector and volume info from a FAT filesystem |
||||
*/ |
||||
static int |
||||
read_bootsectandvi(boot_sector *bs, volume_info *volinfo, int *fatsize) |
||||
{ |
||||
__u8 block[FS_BLOCK_SIZE]; |
||||
volume_info *vistart; |
||||
|
||||
if (disk_read(0, 1, block) < 0) { |
||||
FAT_DPRINT("Error: reading block\n"); |
||||
return -1; |
||||
} |
||||
|
||||
memcpy(bs, block, sizeof(boot_sector)); |
||||
bs->reserved = FAT2CPU16(bs->reserved); |
||||
bs->fat_length = FAT2CPU16(bs->fat_length); |
||||
bs->secs_track = FAT2CPU16(bs->secs_track); |
||||
bs->heads = FAT2CPU16(bs->heads); |
||||
#if 0 /* UNUSED */
|
||||
bs->hidden = FAT2CPU32(bs->hidden); |
||||
#endif |
||||
bs->total_sect = FAT2CPU32(bs->total_sect); |
||||
|
||||
/* FAT32 entries */ |
||||
if (bs->fat_length == 0) { |
||||
/* Assume FAT32 */ |
||||
bs->fat32_length = FAT2CPU32(bs->fat32_length); |
||||
bs->flags = FAT2CPU16(bs->flags); |
||||
bs->root_cluster = FAT2CPU32(bs->root_cluster); |
||||
bs->info_sector = FAT2CPU16(bs->info_sector); |
||||
bs->backup_boot = FAT2CPU16(bs->backup_boot); |
||||
vistart = (volume_info*) (block + sizeof(boot_sector)); |
||||
*fatsize = 32; |
||||
} else { |
||||
vistart = (volume_info*) &(bs->fat32_length); |
||||
*fatsize = 0; |
||||
} |
||||
memcpy(volinfo, vistart, sizeof(volume_info)); |
||||
|
||||
/* Terminate fs_type string. Writing past the end of vistart
|
||||
is ok - it's just the buffer. */ |
||||
vistart->fs_type[8] = '\0'; |
||||
|
||||
if (*fatsize == 32) { |
||||
if (compare_sign(FAT32_SIGN, vistart->fs_type) == 0) { |
||||
return 0; |
||||
} |
||||
} else { |
||||
if (compare_sign(FAT12_SIGN, vistart->fs_type) == 0) { |
||||
*fatsize = 12; |
||||
return 0; |
||||
} |
||||
if (compare_sign(FAT16_SIGN, vistart->fs_type) == 0) { |
||||
*fatsize = 16; |
||||
return 0; |
||||
} |
||||
} |
||||
|
||||
FAT_DPRINT("Error: broken fs_type sign\n"); |
||||
return -1; |
||||
} |
||||
|
||||
|
||||
static long |
||||
do_fat_read (const char *filename, void *buffer, unsigned long maxsize, |
||||
int dols) |
||||
{ |
||||
__u8 block[FS_BLOCK_SIZE]; /* Block buffer */ |
||||
char fnamecopy[2048]; |
||||
boot_sector bs; |
||||
volume_info volinfo; |
||||
fsdata datablock; |
||||
fsdata *mydata = &datablock; |
||||
dir_entry *dentptr; |
||||
__u16 prevcksum = 0xffff; |
||||
char *subname = ""; |
||||
int rootdir_size, cursect; |
||||
int idx, isdir = 0; |
||||
int files = 0, dirs = 0; |
||||
long ret = 0; |
||||
int firsttime; |
||||
|
||||
if (read_bootsectandvi (&bs, &volinfo, &mydata->fatsize)) { |
||||
FAT_DPRINT ("Error: reading boot sector\n"); |
||||
return -1; |
||||
} |
||||
if (mydata->fatsize == 32) { |
||||
mydata->fatlength = bs.fat32_length; |
||||
} else { |
||||
mydata->fatlength = bs.fat_length; |
||||
} |
||||
mydata->fat_sect = bs.reserved; |
||||
cursect = mydata->rootdir_sect |
||||
= mydata->fat_sect + mydata->fatlength * bs.fats; |
||||
mydata->clust_size = bs.cluster_size; |
||||
if (mydata->fatsize == 32) { |
||||
rootdir_size = mydata->clust_size; |
||||
mydata->data_begin = mydata->rootdir_sect /* + rootdir_size */ |
||||
- (mydata->clust_size * 2); |
||||
} else { |
||||
rootdir_size = ((bs.dir_entries[1] * (int) 256 + bs.dir_entries[0]) |
||||
* sizeof (dir_entry)) / SECTOR_SIZE; |
||||
mydata->data_begin = mydata->rootdir_sect + rootdir_size |
||||
- (mydata->clust_size * 2); |
||||
} |
||||
mydata->fatbufnum = -1; |
||||
|
||||
FAT_DPRINT ("FAT%d, fatlength: %d\n", mydata->fatsize, |
||||
mydata->fatlength); |
||||
FAT_DPRINT ("Rootdir begins at sector: %d, offset: %x, size: %d\n" |
||||
"Data begins at: %d\n", |
||||
mydata->rootdir_sect, mydata->rootdir_sect * SECTOR_SIZE, |
||||
rootdir_size, mydata->data_begin); |
||||
FAT_DPRINT ("Cluster size: %d\n", mydata->clust_size); |
||||
|
||||
/* "cwd" is always the root... */ |
||||
while (ISDIRDELIM (*filename)) |
||||
filename++; |
||||
/* Make a copy of the filename and convert it to lowercase */ |
||||
strcpy (fnamecopy, filename); |
||||
downcase (fnamecopy); |
||||
if (*fnamecopy == '\0') { |
||||
if (!dols) |
||||
return -1; |
||||
dols = LS_ROOT; |
||||
} else if ((idx = dirdelim (fnamecopy)) >= 0) { |
||||
isdir = 1; |
||||
fnamecopy[idx] = '\0'; |
||||
subname = fnamecopy + idx + 1; |
||||
/* Handle multiple delimiters */ |
||||
while (ISDIRDELIM (*subname)) |
||||
subname++; |
||||
} else if (dols) { |
||||
isdir = 1; |
||||
} |
||||
|
||||
while (1) { |
||||
int i; |
||||
|
||||
if (disk_read (cursect, 1, block) < 0) { |
||||
FAT_DPRINT ("Error: reading rootdir block\n"); |
||||
return -1; |
||||
} |
||||
dentptr = (dir_entry *) block; |
||||
for (i = 0; i < DIRENTSPERBLOCK; i++) { |
||||
char s_name[14], l_name[256]; |
||||
|
||||
l_name[0] = '\0'; |
||||
if ((dentptr->attr & ATTR_VOLUME)) { |
||||
#ifdef CONFIG_SUPPORT_VFAT |
||||
if ((dentptr->attr & ATTR_VFAT) && |
||||
(dentptr->name[0] & 0x40)) { |
||||
prevcksum = ((dir_slot *) dentptr)->alias_checksum; |
||||
get_vfatname (mydata, 0, block, dentptr, l_name); |
||||
if (dols == LS_ROOT) { |
||||
int isdir = (dentptr->attr & ATTR_DIR); |
||||
char dirc; |
||||
int doit = 0; |
||||
|
||||
if (isdir) { |
||||
dirs++; |
||||
dirc = '/'; |
||||
doit = 1; |
||||
} else { |
||||
dirc = ' '; |
||||
if (l_name[0] != 0) { |
||||
files++; |
||||
doit = 1; |
||||
} |
||||
} |
||||
if (doit) { |
||||
if (dirc == ' ') { |
||||
printf (" %8ld %s%c\n", |
||||
(long) FAT2CPU32 (dentptr->size), |
||||
l_name, dirc); |
||||
} else { |
||||
printf (" %s%c\n", l_name, dirc); |
||||
} |
||||
} |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
FAT_DPRINT ("Rootvfatname: |%s|\n", l_name); |
||||
} else |
||||
#endif |
||||
{ |
||||
/* Volume label or VFAT entry */ |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
} else if (dentptr->name[0] == 0) { |
||||
FAT_DPRINT ("RootDentname == NULL - %d\n", i); |
||||
if (dols == LS_ROOT) { |
||||
printf ("\n%d file(s), %d dir(s)\n\n", files, dirs); |
||||
return 0; |
||||
} |
||||
return -1; |
||||
} |
||||
#ifdef CONFIG_SUPPORT_VFAT |
||||
else if (dols == LS_ROOT |
||||
&& mkcksum (dentptr->name) == prevcksum) { |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
#endif |
||||
get_name (dentptr, s_name); |
||||
if (dols == LS_ROOT) { |
||||
int isdir = (dentptr->attr & ATTR_DIR); |
||||
char dirc; |
||||
int doit = 0; |
||||
|
||||
if (isdir) { |
||||
dirs++; |
||||
dirc = '/'; |
||||
doit = 1; |
||||
} else { |
||||
dirc = ' '; |
||||
if (s_name[0] != 0) { |
||||
files++; |
||||
doit = 1; |
||||
} |
||||
} |
||||
if (doit) { |
||||
if (dirc == ' ') { |
||||
printf (" %8ld %s%c\n", |
||||
(long) FAT2CPU32 (dentptr->size), s_name, |
||||
dirc); |
||||
} else { |
||||
printf (" %s%c\n", s_name, dirc); |
||||
} |
||||
} |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
if (strcmp (fnamecopy, s_name) && strcmp (fnamecopy, l_name)) { |
||||
FAT_DPRINT ("RootMismatch: |%s|%s|\n", s_name, l_name); |
||||
dentptr++; |
||||
continue; |
||||
} |
||||
if (isdir && !(dentptr->attr & ATTR_DIR)) |
||||
return -1; |
||||
|
||||
FAT_DPRINT ("RootName: %s", s_name); |
||||
FAT_DPRINT (", start: 0x%x", START (dentptr)); |
||||
FAT_DPRINT (", size: 0x%x %s\n", |
||||
FAT2CPU32 (dentptr->size), isdir ? "(DIR)" : ""); |
||||
|
||||
goto rootdir_done; /* We got a match */ |
||||
} |
||||
cursect++; |
||||
} |
||||
rootdir_done: |
||||
|
||||
firsttime = 1; |
||||
while (isdir) { |
||||
int startsect = mydata->data_begin |
||||
+ START (dentptr) * mydata->clust_size; |
||||
dir_entry dent; |
||||
char *nextname = NULL; |
||||
|
||||
dent = *dentptr; |
||||
dentptr = &dent; |
||||
|
||||
idx = dirdelim (subname); |
||||
if (idx >= 0) { |
||||
subname[idx] = '\0'; |
||||
nextname = subname + idx + 1; |
||||
/* Handle multiple delimiters */ |
||||
while (ISDIRDELIM (*nextname)) |
||||
nextname++; |
||||
if (dols && *nextname == '\0') |
||||
firsttime = 0; |
||||
} else { |
||||
if (dols && firsttime) { |
||||
firsttime = 0; |
||||
} else { |
||||
isdir = 0; |
||||
} |
||||
} |
||||
|
||||
if (get_dentfromdir (mydata, startsect, subname, dentptr, |
||||
isdir ? 0 : dols) == NULL) { |
||||
if (dols && !isdir) |
||||
return 0; |
||||
return -1; |
||||
} |
||||
|
||||
if (idx >= 0) { |
||||
if (!(dentptr->attr & ATTR_DIR)) |
||||
return -1; |
||||
subname = nextname; |
||||
} |
||||
} |
||||
ret = get_contents (mydata, dentptr, buffer, maxsize); |
||||
FAT_DPRINT ("Size: %d, got: %ld\n", FAT2CPU32 (dentptr->size), ret); |
||||
|
||||
return ret; |
||||
} |
||||
|
||||
|
||||
int |
||||
file_fat_detectfs(void) |
||||
{ |
||||
boot_sector bs; |
||||
volume_info volinfo; |
||||
int fatsize; |
||||
|
||||
return read_bootsectandvi(&bs, &volinfo, &fatsize); |
||||
} |
||||
|
||||
|
||||
int |
||||
file_fat_ls(const char *dir) |
||||
{ |
||||
return do_fat_read(dir, NULL, 0, LS_YES); |
||||
} |
||||
|
||||
|
||||
long |
||||
file_fat_read(const char *filename, void *buffer, unsigned long maxsize) |
||||
{ |
||||
return do_fat_read(filename, buffer, maxsize, LS_NO); |
||||
} |
||||
|
||||
#endif /* #if (CONFIG_COMMANDS & CFG_CMD_FAT) */ |
@ -0,0 +1,208 @@ |
||||
/*
|
||||
* file.c
|
||||
* |
||||
* Mini "VFS" by Marcus Sundberg |
||||
* |
||||
* 2002-07-28 - rjones@nexus-tech.net - ported to ppcboot v1.1.6 |
||||
* 2003-03-10 - kharris@nexus-tech.net - ported to uboot |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <config.h> |
||||
#include <malloc.h> |
||||
#include <fat.h> |
||||
#include <linux/stat.h> |
||||
#include <linux/time.h> |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_FAT) |
||||
|
||||
/* Supported filesystems */ |
||||
static const struct filesystem filesystems[] = { |
||||
{ file_fat_detectfs, file_fat_ls, file_fat_read, "FAT" }, |
||||
}; |
||||
#define NUM_FILESYS (sizeof(filesystems)/sizeof(struct filesystem)) |
||||
|
||||
/* The filesystem which was last detected */ |
||||
static int current_filesystem = FSTYPE_NONE; |
||||
|
||||
/* The current working directory */ |
||||
#define CWD_LEN 511 |
||||
char file_cwd[CWD_LEN+1] = "/"; |
||||
|
||||
const char * |
||||
file_getfsname(int idx) |
||||
{ |
||||
if (idx < 0 || idx >= NUM_FILESYS) return NULL; |
||||
|
||||
return filesystems[idx].name; |
||||
} |
||||
|
||||
|
||||
static void |
||||
pathcpy(char *dest, const char *src) |
||||
{ |
||||
char *origdest = dest; |
||||
|
||||
do { |
||||
if (dest-file_cwd >= CWD_LEN) { |
||||
*dest = '\0'; |
||||
return; |
||||
} |
||||
*(dest) = *(src); |
||||
if (*src == '\0') { |
||||
if (dest-- != origdest && ISDIRDELIM(*dest)) { |
||||
*dest = '\0'; |
||||
} |
||||
return; |
||||
} |
||||
++dest; |
||||
if (ISDIRDELIM(*src)) { |
||||
while (ISDIRDELIM(*src)) src++; |
||||
} else { |
||||
src++; |
||||
} |
||||
} while (1); |
||||
} |
||||
|
||||
|
||||
int |
||||
file_cd(const char *path) |
||||
{ |
||||
if (ISDIRDELIM(*path)) { |
||||
while (ISDIRDELIM(*path)) path++; |
||||
strncpy(file_cwd+1, path, CWD_LEN-1); |
||||
} else { |
||||
const char *origpath = path; |
||||
char *tmpstr = file_cwd; |
||||
int back = 0; |
||||
|
||||
while (*tmpstr != '\0') tmpstr++; |
||||
do { |
||||
tmpstr--; |
||||
} while (ISDIRDELIM(*tmpstr)); |
||||
|
||||
while (*path == '.') { |
||||
path++; |
||||
while (*path == '.') { |
||||
path++; |
||||
back++; |
||||
} |
||||
if (*path != '\0' && !ISDIRDELIM(*path)) { |
||||
path = origpath; |
||||
back = 0; |
||||
break; |
||||
} |
||||
while (ISDIRDELIM(*path)) path++; |
||||
origpath = path; |
||||
} |
||||
|
||||
while (back--) { |
||||
/* Strip off path component */ |
||||
while (!ISDIRDELIM(*tmpstr)) { |
||||
tmpstr--; |
||||
} |
||||
if (tmpstr == file_cwd) { |
||||
/* Incremented again right after the loop. */ |
||||
tmpstr--; |
||||
break; |
||||
} |
||||
/* Skip delimiters */ |
||||
while (ISDIRDELIM(*tmpstr)) tmpstr--; |
||||
} |
||||
tmpstr++; |
||||
if (*path == '\0') { |
||||
if (tmpstr == file_cwd) { |
||||
*tmpstr = '/'; |
||||
tmpstr++; |
||||
} |
||||
*tmpstr = '\0'; |
||||
return 0; |
||||
} |
||||
*tmpstr = '/'; |
||||
pathcpy(tmpstr+1, path); |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
|
||||
int |
||||
file_detectfs(void) |
||||
{ |
||||
int i; |
||||
|
||||
current_filesystem = FSTYPE_NONE; |
||||
|
||||
for (i = 0; i < NUM_FILESYS; i++) { |
||||
if (filesystems[i].detect() == 0) { |
||||
strcpy(file_cwd, "/"); |
||||
current_filesystem = i; |
||||
break; |
||||
} |
||||
} |
||||
|
||||
return current_filesystem; |
||||
} |
||||
|
||||
|
||||
int |
||||
file_ls(const char *dir) |
||||
{ |
||||
char fullpath[1024]; |
||||
const char *arg; |
||||
|
||||
if (current_filesystem == FSTYPE_NONE) { |
||||
printf("Can't list files without a filesystem!\n"); |
||||
return -1; |
||||
} |
||||
|
||||
if (ISDIRDELIM(*dir)) { |
||||
arg = dir; |
||||
} else { |
||||
sprintf(fullpath, "%s/%s", file_cwd, dir); |
||||
arg = fullpath; |
||||
} |
||||
return filesystems[current_filesystem].ls(arg); |
||||
} |
||||
|
||||
|
||||
long |
||||
file_read(const char *filename, void *buffer, unsigned long maxsize) |
||||
{ |
||||
char fullpath[1024]; |
||||
const char *arg; |
||||
|
||||
if (current_filesystem == FSTYPE_NONE) { |
||||
printf("Can't load file without a filesystem!\n"); |
||||
return -1; |
||||
} |
||||
|
||||
if (ISDIRDELIM(*filename)) { |
||||
arg = filename; |
||||
} else { |
||||
sprintf(fullpath, "%s/%s", file_cwd, filename); |
||||
arg = fullpath; |
||||
} |
||||
|
||||
return filesystems[current_filesystem].read(arg, buffer, maxsize); |
||||
} |
||||
|
||||
#endif /* #if (CONFIG_COMMANDS & CFG_CMD_FAT) */ |
@ -0,0 +1,200 @@ |
||||
/*
|
||||
* linux/drivers/mmc/mmc_pxa.h
|
||||
* |
||||
* Author: Vladimir Shebordaev, Igor Oblakov
|
||||
* Copyright: MontaVista Software Inc. |
||||
* |
||||
* $Id: mmc_pxa.h,v 0.3.1.6 2002/09/25 19:25:48 ted Exp ted $ |
||||
* |
||||
* This program is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License version 2 as |
||||
* published by the Free Software Foundation. |
||||
*/ |
||||
#ifndef __MMC_PXA_P_H__ |
||||
#define __MMC_PXA_P_H__ |
||||
|
||||
/* PXA-250 MMC controller registers */ |
||||
|
||||
/* MMC_STRPCL */ |
||||
#define MMC_STRPCL_STOP_CLK (0x0001UL) |
||||
#define MMC_STRPCL_START_CLK (0x0002UL) |
||||
|
||||
/* MMC_STAT */ |
||||
#define MMC_STAT_END_CMD_RES (0x0001UL << 13) |
||||
#define MMC_STAT_PRG_DONE (0x0001UL << 12) |
||||
#define MMC_STAT_DATA_TRAN_DONE (0x0001UL << 11) |
||||
#define MMC_STAT_CLK_EN (0x0001UL << 8) |
||||
#define MMC_STAT_RECV_FIFO_FULL (0x0001UL << 7) |
||||
#define MMC_STAT_XMIT_FIFO_EMPTY (0x0001UL << 6) |
||||
#define MMC_STAT_RES_CRC_ERROR (0x0001UL << 5) |
||||
#define MMC_STAT_SPI_READ_ERROR_TOKEN (0x0001UL << 4) |
||||
#define MMC_STAT_CRC_READ_ERROR (0x0001UL << 3) |
||||
#define MMC_STAT_CRC_WRITE_ERROR (0x0001UL << 2) |
||||
#define MMC_STAT_TIME_OUT_RESPONSE (0x0001UL << 1) |
||||
#define MMC_STAT_READ_TIME_OUT (0x0001UL) |
||||
|
||||
#define MMC_STAT_ERRORS (MMC_STAT_RES_CRC_ERROR|MMC_STAT_SPI_READ_ERROR_TOKEN\ |
||||
|MMC_STAT_CRC_READ_ERROR|MMC_STAT_TIME_OUT_RESPONSE\
|
||||
|MMC_STAT_READ_TIME_OUT|MMC_STAT_CRC_WRITE_ERROR) |
||||
|
||||
/* MMC_CLKRT */ |
||||
#define MMC_CLKRT_20MHZ (0x0000UL) |
||||
#define MMC_CLKRT_10MHZ (0x0001UL) |
||||
#define MMC_CLKRT_5MHZ (0x0002UL) |
||||
#define MMC_CLKRT_2_5MHZ (0x0003UL) |
||||
#define MMC_CLKRT_1_25MHZ (0x0004UL) |
||||
#define MMC_CLKRT_0_625MHZ (0x0005UL) |
||||
#define MMC_CLKRT_0_3125MHZ (0x0006UL) |
||||
|
||||
/* MMC_SPI */ |
||||
#define MMC_SPI_DISABLE (0x00UL) |
||||
#define MMC_SPI_EN (0x01UL) |
||||
#define MMC_SPI_CS_EN (0x01UL << 2) |
||||
#define MMC_SPI_CS_ADDRESS (0x01UL << 3) |
||||
#define MMC_SPI_CRC_ON (0x01UL << 1) |
||||
|
||||
/* MMC_CMDAT */ |
||||
#define MMC_CMDAT_MMC_DMA_EN (0x0001UL << 7) |
||||
#define MMC_CMDAT_INIT (0x0001UL << 6) |
||||
#define MMC_CMDAT_BUSY (0x0001UL << 5) |
||||
#define MMC_CMDAT_STREAM (0x0001UL << 4) |
||||
#define MMC_CMDAT_BLOCK (0x0000UL << 4) |
||||
#define MMC_CMDAT_WRITE (0x0001UL << 3) |
||||
#define MMC_CMDAT_READ (0x0000UL << 3) |
||||
#define MMC_CMDAT_DATA_EN (0x0001UL << 2) |
||||
#define MMC_CMDAT_R1 (0x0001UL) |
||||
#define MMC_CMDAT_R2 (0x0002UL) |
||||
#define MMC_CMDAT_R3 (0x0003UL) |
||||
|
||||
/* MMC_RESTO */ |
||||
#define MMC_RES_TO_MAX (0x007fUL) /* [6:0] */ |
||||
|
||||
/* MMC_RDTO */ |
||||
#define MMC_READ_TO_MAX (0x0ffffUL) /* [15:0] */ |
||||
|
||||
/* MMC_BLKLEN */ |
||||
#define MMC_BLK_LEN_MAX (0x03ffUL) /* [9:0] */ |
||||
|
||||
/* MMC_PRTBUF */ |
||||
#define MMC_PRTBUF_BUF_PART_FULL (0x01UL) |
||||
#define MMC_PRTBUF_BUF_FULL (0x00UL ) |
||||
|
||||
/* MMC_I_MASK */ |
||||
#define MMC_I_MASK_TXFIFO_WR_REQ (0x01UL << 6) |
||||
#define MMC_I_MASK_RXFIFO_RD_REQ (0x01UL << 5) |
||||
#define MMC_I_MASK_CLK_IS_OFF (0x01UL << 4) |
||||
#define MMC_I_MASK_STOP_CMD (0x01UL << 3) |
||||
#define MMC_I_MASK_END_CMD_RES (0x01UL << 2) |
||||
#define MMC_I_MASK_PRG_DONE (0x01UL << 1) |
||||
#define MMC_I_MASK_DATA_TRAN_DONE (0x01UL) |
||||
#define MMC_I_MASK_ALL (0x07fUL) |
||||
|
||||
|
||||
/* MMC_I_REG */ |
||||
#define MMC_I_REG_TXFIFO_WR_REQ (0x01UL << 6) |
||||
#define MMC_I_REG_RXFIFO_RD_REQ (0x01UL << 5) |
||||
#define MMC_I_REG_CLK_IS_OFF (0x01UL << 4) |
||||
#define MMC_I_REG_STOP_CMD (0x01UL << 3) |
||||
#define MMC_I_REG_END_CMD_RES (0x01UL << 2) |
||||
#define MMC_I_REG_PRG_DONE (0x01UL << 1) |
||||
#define MMC_I_REG_DATA_TRAN_DONE (0x01UL) |
||||
#define MMC_I_REG_ALL (0x007fUL) |
||||
|
||||
/* MMC_CMD */ |
||||
#define MMC_CMD_INDEX_MAX (0x006fUL) /* [5:0] */ |
||||
#define CMD(x) (x) |
||||
|
||||
#define MMC_DEFAULT_RCA 1 |
||||
|
||||
#define MMC_BLOCK_SIZE 512 |
||||
#define MMC_CMD_RESET 0 |
||||
#define MMC_CMD_SEND_OP_COND 1 |
||||
#define MMC_CMD_ALL_SEND_CID 2 |
||||
#define MMC_CMD_SET_RCA 3 |
||||
#define MMC_CMD_SEND_CSD 9 |
||||
#define MMC_CMD_SEND_CID 10 |
||||
#define MMC_CMD_SEND_STATUS 13 |
||||
#define MMC_CMD_SET_BLOCKLEN 16 |
||||
#define MMC_CMD_READ_BLOCK 17 |
||||
#define MMC_CMD_RD_BLK_MULTI 18 |
||||
#define MMC_CMD_WRITE_BLOCK 24 |
||||
|
||||
#define MMC_MAX_BLOCK_SIZE 512 |
||||
|
||||
#define MMC_R1_IDLE_STATE 0x01 |
||||
#define MMC_R1_ERASE_STATE 0x02 |
||||
#define MMC_R1_ILLEGAL_CMD 0x04 |
||||
#define MMC_R1_COM_CRC_ERR 0x08 |
||||
#define MMC_R1_ERASE_SEQ_ERR 0x01 |
||||
#define MMC_R1_ADDR_ERR 0x02 |
||||
#define MMC_R1_PARAM_ERR 0x04 |
||||
|
||||
#define MMC_R1B_WP_ERASE_SKIP 0x0002 |
||||
#define MMC_R1B_ERR 0x0004 |
||||
#define MMC_R1B_CC_ERR 0x0008 |
||||
#define MMC_R1B_CARD_ECC_ERR 0x0010 |
||||
#define MMC_R1B_WP_VIOLATION 0x0020 |
||||
#define MMC_R1B_ERASE_PARAM 0x0040 |
||||
#define MMC_R1B_OOR 0x0080 |
||||
#define MMC_R1B_IDLE_STATE 0x0100 |
||||
#define MMC_R1B_ERASE_RESET 0x0200 |
||||
#define MMC_R1B_ILLEGAL_CMD 0x0400 |
||||
#define MMC_R1B_COM_CRC_ERR 0x0800 |
||||
#define MMC_R1B_ERASE_SEQ_ERR 0x1000 |
||||
#define MMC_R1B_ADDR_ERR 0x2000 |
||||
#define MMC_R1B_PARAM_ERR 0x4000 |
||||
|
||||
typedef struct mmc_cid |
||||
{ |
||||
/* FIXME: BYTE_ORDER */ |
||||
uchar year:4, |
||||
month:4; |
||||
uchar sn[3]; |
||||
uchar fwrev:4, |
||||
hwrev:4; |
||||
uchar name[6]; |
||||
uchar id[3]; |
||||
} mmc_cid_t; |
||||
|
||||
typedef struct mmc_csd |
||||
{ |
||||
uchar ecc:2, |
||||
file_format:2, |
||||
tmp_write_protect:1, |
||||
perm_write_protect:1, |
||||
copy:1, |
||||
file_format_grp:1; |
||||
uint64_t content_prot_app:1, |
||||
rsvd3:4, |
||||
write_bl_partial:1, |
||||
write_bl_len:4, |
||||
r2w_factor:3, |
||||
default_ecc:2, |
||||
wp_grp_enable:1, |
||||
wp_grp_size:5, |
||||
erase_grp_mult:5, |
||||
erase_grp_size:5, |
||||
c_size_mult1:3, |
||||
vdd_w_curr_max:3, |
||||
vdd_w_curr_min:3, |
||||
vdd_r_curr_max:3, |
||||
vdd_r_curr_min:3, |
||||
c_size:12, |
||||
rsvd2:2, |
||||
dsr_imp:1, |
||||
read_blk_misalign:1, |
||||
write_blk_misalign:1, |
||||
read_bl_partial:1; |
||||
|
||||
ushort read_bl_len:4, |
||||
ccc:12; |
||||
uchar tran_speed; |
||||
uchar nsac; |
||||
uchar taac; |
||||
uchar rsvd1:2, |
||||
spec_vers:4, |
||||
csd_structure:2; |
||||
} mmc_csd_t; |
||||
|
||||
|
||||
#endif /* __MMC_PXA_P_H__ */ |
@ -0,0 +1,138 @@ |
||||
#ifndef _ARM_ERRNO_H |
||||
#define _ARM_ERRNO_H |
||||
|
||||
#define EPERM 1 /* Operation not permitted */ |
||||
#define ENOENT 2 /* No such file or directory */ |
||||
#define ESRCH 3 /* No such process */ |
||||
#define EINTR 4 /* Interrupted system call */ |
||||
#define EIO 5 /* I/O error */ |
||||
#define ENXIO 6 /* No such device or address */ |
||||
#define E2BIG 7 /* Arg list too long */ |
||||
#define ENOEXEC 8 /* Exec format error */ |
||||
#define EBADF 9 /* Bad file number */ |
||||
#define ECHILD 10 /* No child processes */ |
||||
#define EAGAIN 11 /* Try again */ |
||||
#define ENOMEM 12 /* Out of memory */ |
||||
#define EACCES 13 /* Permission denied */ |
||||
#define EFAULT 14 /* Bad address */ |
||||
#define ENOTBLK 15 /* Block device required */ |
||||
#define EBUSY 16 /* Device or resource busy */ |
||||
#define EEXIST 17 /* File exists */ |
||||
#define EXDEV 18 /* Cross-device link */ |
||||
#define ENODEV 19 /* No such device */ |
||||
#define ENOTDIR 20 /* Not a directory */ |
||||
#define EISDIR 21 /* Is a directory */ |
||||
#define EINVAL 22 /* Invalid argument */ |
||||
#define ENFILE 23 /* File table overflow */ |
||||
#define EMFILE 24 /* Too many open files */ |
||||
#define ENOTTY 25 /* Not a typewriter */ |
||||
#define ETXTBSY 26 /* Text file busy */ |
||||
#define EFBIG 27 /* File too large */ |
||||
#define ENOSPC 28 /* No space left on device */ |
||||
#define ESPIPE 29 /* Illegal seek */ |
||||
#define EROFS 30 /* Read-only file system */ |
||||
#define EMLINK 31 /* Too many links */ |
||||
#define EPIPE 32 /* Broken pipe */ |
||||
#define EDOM 33 /* Math argument out of domain of func */ |
||||
#define ERANGE 34 /* Math result not representable */ |
||||
#define EDEADLK 35 /* Resource deadlock would occur */ |
||||
#define ENAMETOOLONG 36 /* File name too long */ |
||||
#define ENOLCK 37 /* No record locks available */ |
||||
#define ENOSYS 38 /* Function not implemented */ |
||||
#define ENOTEMPTY 39 /* Directory not empty */ |
||||
#define ELOOP 40 /* Too many symbolic links encountered */ |
||||
#define EWOULDBLOCK EAGAIN /* Operation would block */ |
||||
#define ENOMSG 42 /* No message of desired type */ |
||||
#define EIDRM 43 /* Identifier removed */ |
||||
#define ECHRNG 44 /* Channel number out of range */ |
||||
#define EL2NSYNC 45 /* Level 2 not synchronized */ |
||||
#define EL3HLT 46 /* Level 3 halted */ |
||||
#define EL3RST 47 /* Level 3 reset */ |
||||
#define ELNRNG 48 /* Link number out of range */ |
||||
#define EUNATCH 49 /* Protocol driver not attached */ |
||||
#define ENOCSI 50 /* No CSI structure available */ |
||||
#define EL2HLT 51 /* Level 2 halted */ |
||||
#define EBADE 52 /* Invalid exchange */ |
||||
#define EBADR 53 /* Invalid request descriptor */ |
||||
#define EXFULL 54 /* Exchange full */ |
||||
#define ENOANO 55 /* No anode */ |
||||
#define EBADRQC 56 /* Invalid request code */ |
||||
#define EBADSLT 57 /* Invalid slot */ |
||||
#define EDEADLOCK 58 /* File locking deadlock error */ |
||||
#define EBFONT 59 /* Bad font file format */ |
||||
#define ENOSTR 60 /* Device not a stream */ |
||||
#define ENODATA 61 /* No data available */ |
||||
#define ETIME 62 /* Timer expired */ |
||||
#define ENOSR 63 /* Out of streams resources */ |
||||
#define ENONET 64 /* Machine is not on the network */ |
||||
#define ENOPKG 65 /* Package not installed */ |
||||
#define EREMOTE 66 /* Object is remote */ |
||||
#define ENOLINK 67 /* Link has been severed */ |
||||
#define EADV 68 /* Advertise error */ |
||||
#define ESRMNT 69 /* Srmount error */ |
||||
#define ECOMM 70 /* Communication error on send */ |
||||
#define EPROTO 71 /* Protocol error */ |
||||
#define EMULTIHOP 72 /* Multihop attempted */ |
||||
#define EDOTDOT 73 /* RFS specific error */ |
||||
#define EBADMSG 74 /* Not a data message */ |
||||
#define EOVERFLOW 75 /* Value too large for defined data type */ |
||||
#define ENOTUNIQ 76 /* Name not unique on network */ |
||||
#define EBADFD 77 /* File descriptor in bad state */ |
||||
#define EREMCHG 78 /* Remote address changed */ |
||||
#define ELIBACC 79 /* Can not access a needed shared library */ |
||||
#define ELIBBAD 80 /* Accessing a corrupted shared library */ |
||||
#define ELIBSCN 81 /* .lib section in a.out corrupted */ |
||||
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ |
||||
#define ELIBEXEC 83 /* Cannot exec a shared library directly */ |
||||
#define EILSEQ 84 /* Illegal byte sequence */ |
||||
#define ERESTART 85 /* Interrupted system call should be restarted */ |
||||
#define ESTRPIPE 86 /* Streams pipe error */ |
||||
#define EUSERS 87 /* Too many users */ |
||||
#define ENOTSOCK 88 /* Socket operation on non-socket */ |
||||
#define EDESTADDRREQ 89 /* Destination address required */ |
||||
#define EMSGSIZE 90 /* Message too long */ |
||||
#define EPROTOTYPE 91 /* Protocol wrong type for socket */ |
||||
#define ENOPROTOOPT 92 /* Protocol not available */ |
||||
#define EPROTONOSUPPORT 93 /* Protocol not supported */ |
||||
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ |
||||
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ |
||||
#define EPFNOSUPPORT 96 /* Protocol family not supported */ |
||||
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ |
||||
#define EADDRINUSE 98 /* Address already in use */ |
||||
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ |
||||
#define ENETDOWN 100 /* Network is down */ |
||||
#define ENETUNREACH 101 /* Network is unreachable */ |
||||
#define ENETRESET 102 /* Network dropped connection because of reset */ |
||||
#define ECONNABORTED 103 /* Software caused connection abort */ |
||||
#define ECONNRESET 104 /* Connection reset by peer */ |
||||
#define ENOBUFS 105 /* No buffer space available */ |
||||
#define EISCONN 106 /* Transport endpoint is already connected */ |
||||
#define ENOTCONN 107 /* Transport endpoint is not connected */ |
||||
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ |
||||
#define ETOOMANYREFS 109 /* Too many references: cannot splice */ |
||||
#define ETIMEDOUT 110 /* Connection timed out */ |
||||
#define ECONNREFUSED 111 /* Connection refused */ |
||||
#define EHOSTDOWN 112 /* Host is down */ |
||||
#define EHOSTUNREACH 113 /* No route to host */ |
||||
#define EALREADY 114 /* Operation already in progress */ |
||||
#define EINPROGRESS 115 /* Operation now in progress */ |
||||
#define ESTALE 116 /* Stale NFS file handle */ |
||||
#define EUCLEAN 117 /* Structure needs cleaning */ |
||||
#define ENOTNAM 118 /* Not a XENIX named type file */ |
||||
#define ENAVAIL 119 /* No XENIX semaphores available */ |
||||
#define EISNAM 120 /* Is a named type file */ |
||||
#define EREMOTEIO 121 /* Remote I/O error */ |
||||
#define EDQUOT 122 /* Quota exceeded */ |
||||
|
||||
#define ENOMEDIUM 123 /* No medium found */ |
||||
#define EMEDIUMTYPE 124 /* Wrong medium type */ |
||||
|
||||
/* Should never be seen by user programs */ |
||||
#define ERESTARTSYS 512 |
||||
#define ERESTARTNOINTR 513 |
||||
#define ERESTARTNOHAND 514 /* restart if no handler.. */ |
||||
#define ENOIOCTLCMD 515 /* No ioctl command */ |
||||
|
||||
#define _LAST_ERRNO 515 |
||||
|
||||
#endif |
@ -0,0 +1,61 @@ |
||||
/*
|
||||
* (C) Copyright 2002 |
||||
* Richard Jones, rjones@nexus-tech.net |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
/*
|
||||
* FAT support |
||||
*/ |
||||
#ifndef _CMD_FAT_H |
||||
#define _CMD_FAT_H |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_FAT) |
||||
|
||||
int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
||||
int do_fat_fsinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
||||
int do_fat_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
||||
int do_fat_dump (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
||||
|
||||
#define CMD_TBL_FAT MK_CMD_TBL_ENTRY( \ |
||||
"fatload", 5, 4, 0, do_fat_fsload, \
|
||||
"fatload - load binary file from a dos filesystem\n", \
|
||||
"[ off ] [ filename ]\n" \
|
||||
" - load binary file from dos filesystem\n" \
|
||||
" with offset 'off'\n" \
|
||||
), \
|
||||
MK_CMD_TBL_ENTRY( \
|
||||
"fatinfo", 5, 1, 1, do_fat_fsinfo, \
|
||||
"fatinfo - print information about filesystem\n", \
|
||||
"\n" \
|
||||
" - print information about filesystem\n" \
|
||||
), \
|
||||
MK_CMD_TBL_ENTRY( \
|
||||
"fatls", 2, 2, 1, do_fat_ls, \
|
||||
"fatls - list files in a directory (default /)\n", \
|
||||
"[ directory ]\n" \
|
||||
" - list files in a directory.\n" \
|
||||
), |
||||
|
||||
#else |
||||
#define CMD_TBL_FAT |
||||
#endif /* CFG_CMD_FAT */ |
||||
|
||||
#endif /* _CMD_FAT_H */ |
@ -0,0 +1,41 @@ |
||||
/*
|
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#ifndef _CMD_MMC_H_ |
||||
#define _CMD_MMC_H_ |
||||
|
||||
#include <command.h> |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_MMC) |
||||
|
||||
#define CMD_TBL_MMC MK_CMD_TBL_ENTRY( \ |
||||
"mmcinit", 4, 1, 0, do_mmc, \
|
||||
"mmcinit - init mmc card\n", \
|
||||
), |
||||
#else |
||||
|
||||
#define CMD_TBL_MMC |
||||
|
||||
#endif |
||||
|
||||
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
||||
|
||||
#endif /* _CMD_MMC_H_ */ |
@ -0,0 +1,484 @@ |
||||
/*
|
||||
* (C) Copyright 2000, 2001, 2002 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
/*
|
||||
* board/config.h - configuration options, board specific |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
|
||||
#define CONFIG_MPC860 1 |
||||
#define CONFIG_MPC860T 1 |
||||
#define CONFIG_MPC862 1 |
||||
|
||||
#define CONFIG_TQM862M 1 /* ...on a TQM8xxM module */ |
||||
|
||||
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
||||
#undef CONFIG_8xx_CONS_SMC2 |
||||
#undef CONFIG_8xx_CONS_NONE |
||||
|
||||
#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ |
||||
|
||||
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
||||
|
||||
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
||||
|
||||
#define CONFIG_BOARD_TYPES 1 /* support board types */ |
||||
|
||||
#define CONFIG_PREBOOT "echo;" \ |
||||
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
|
||||
"echo" |
||||
|
||||
#undef CONFIG_BOOTARGS |
||||
|
||||
#define CONFIG_EXTRA_ENV_SETTINGS \ |
||||
"netdev=eth0\0" \
|
||||
"nfsargs=setenv bootargs root=/dev/nfs rw " \
|
||||
"nfsroot=$(serverip):$(rootpath)\0" \
|
||||
"ramargs=setenv bootargs root=/dev/ram rw\0" \
|
||||
"addip=setenv bootargs $(bootargs) " \
|
||||
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
|
||||
":$(hostname):$(netdev):off panic=1\0" \
|
||||
"flash_nfs=run nfsargs addip;" \
|
||||
"bootm $(kernel_addr)\0" \
|
||||
"flash_self=run ramargs addip;" \
|
||||
"bootm $(kernel_addr) $(ramdisk_addr)\0" \
|
||||
"net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
|
||||
"rootpath=/opt/eldk/ppc_8xx\0" \
|
||||
"bootfile=/tftpboot/TQM862M/uImage\0" \
|
||||
"kernel_addr=40080000\0" \
|
||||
"ramdisk_addr=40180000\0" \
|
||||
"" |
||||
#define CONFIG_BOOTCOMMAND "run flash_self" |
||||
|
||||
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
||||
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
||||
|
||||
#undef CONFIG_WATCHDOG /* watchdog disabled */ |
||||
|
||||
#define CONFIG_STATUS_LED 1 /* Status LED enabled */ |
||||
|
||||
#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ |
||||
|
||||
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
||||
|
||||
#define CONFIG_MAC_PARTITION |
||||
#define CONFIG_DOS_PARTITION |
||||
|
||||
#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ |
||||
|
||||
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
||||
CFG_CMD_ASKENV | \
|
||||
CFG_CMD_DHCP | \
|
||||
CFG_CMD_IDE | \
|
||||
CFG_CMD_DATE ) |
||||
|
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
||||
#include <cmd_confdefs.h> |
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CFG_LONGHELP /* undef to save memory */ |
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
||||
|
||||
#if 0 |
||||
#define CFG_HUSH_PARSER 1 /* use "hush" command parser */ |
||||
#endif |
||||
#ifdef CFG_HUSH_PARSER |
||||
#define CFG_PROMPT_HUSH_PS2 "> " |
||||
#endif |
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
||||
#else |
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
||||
#endif |
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
||||
#define CFG_MAXARGS 16 /* max number of command args */ |
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
||||
|
||||
#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ |
||||
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
||||
|
||||
#define CFG_LOAD_ADDR 0x100000 /* default load address */ |
||||
|
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
||||
|
||||
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
|
||||
/*
|
||||
* Low Level Configuration Settings |
||||
* (address mappings, register initial values, etc.) |
||||
* You should know what you are doing if you make changes here. |
||||
*/ |
||||
/*-----------------------------------------------------------------------
|
||||
* Internal Memory Mapped Register |
||||
*/ |
||||
#define CFG_IMMR 0xFFF00000 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for initial stack pointer and data area (in DPRAM) |
||||
*/ |
||||
#define CFG_INIT_RAM_ADDR CFG_IMMR |
||||
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
||||
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
||||
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Start addresses for the final memory configuration |
||||
* (Set up by the startup code) |
||||
* Please note that CFG_SDRAM_BASE _must_ start at 0 |
||||
*/ |
||||
#define CFG_SDRAM_BASE 0x00000000 |
||||
#define CFG_FLASH_BASE 0x40000000 |
||||
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
||||
#define CFG_MONITOR_BASE CFG_FLASH_BASE |
||||
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
||||
|
||||
/*
|
||||
* For booting Linux, the board info and command line data |
||||
* have to be in the first 8 MB of memory, since this is |
||||
* the maximum mapped by the Linux kernel during initialization. |
||||
*/ |
||||
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH organization |
||||
*/ |
||||
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
||||
#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ |
||||
|
||||
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
||||
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
||||
|
||||
#define CFG_ENV_IS_IN_FLASH 1 |
||||
|
||||
#define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */ |
||||
#define CFG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */ |
||||
#define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */ |
||||
|
||||
/* Address and size of Redundant Environment Sector */ |
||||
#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE) |
||||
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Hardware Information Block |
||||
*/ |
||||
#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ |
||||
#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ |
||||
#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Cache Configuration |
||||
*/ |
||||
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
||||
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SYPCR - System Protection Control 11-9 |
||||
* SYPCR can only be written once after reset! |
||||
*----------------------------------------------------------------------- |
||||
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
||||
*/ |
||||
#if defined(CONFIG_WATCHDOG) |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
||||
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
||||
#else |
||||
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SIUMCR - SIU Module Configuration 11-6 |
||||
*----------------------------------------------------------------------- |
||||
* PCMCIA config., multi-function pin tri-state |
||||
*/ |
||||
#ifndef CONFIG_CAN_DRIVER |
||||
#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
||||
#else /* we must activate GPL5 in the SIUMCR for CAN */ |
||||
#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
||||
#endif /* CONFIG_CAN_DRIVER */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* TBSCR - Time Base Status and Control 11-26 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Reference Interrupt Status, Timebase freezing enabled |
||||
*/ |
||||
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* RTCSC - Real-Time Clock Status and Control Register 11-27 |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PISCR - Periodic Interrupt Status and Control 11-31 |
||||
*----------------------------------------------------------------------- |
||||
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
||||
*/ |
||||
#define CFG_PISCR (PISCR_PS | PISCR_PITF) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
||||
*----------------------------------------------------------------------- |
||||
* Reset PLL lock status sticky bit, timer expired status bit and timer |
||||
* interrupt status bit |
||||
* |
||||
* If this is a 80 MHz or 100 MHz CPU, |
||||
* set PLL multiplication factor to 5 (5 * 16 = 80, 5 * 20 = 100) |
||||
*/ |
||||
#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz) |
||||
#define CFG_PLPRCR \ |
||||
( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST ) |
||||
#else /* up to 50 MHz we use a 1:1 clock */ |
||||
#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
||||
#endif /* CONFIG_80MHz | CONFIG_100MHz */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* SCCR - System Clock and reset Control Register 15-27 |
||||
*----------------------------------------------------------------------- |
||||
* Set clock output, timebase and RTC source and divider, |
||||
* power management and some other internal clocks |
||||
*/ |
||||
#define SCCR_MASK SCCR_EBDF11 |
||||
#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz) /* use 16/20 MHz * 5 */ |
||||
#define CFG_SCCR (/* SCCR_TBS | */ \ |
||||
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
|
||||
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
|
||||
SCCR_DFALCD00) |
||||
#else /* up to 50 MHz we use a 1:1 clock */ |
||||
#define CFG_SCCR (SCCR_TBS | \ |
||||
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
|
||||
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
|
||||
SCCR_DFALCD00) |
||||
#endif /* CONFIG_80MHz | CONFIG_100MHz */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* PCMCIA stuff |
||||
*----------------------------------------------------------------------- |
||||
* |
||||
*/ |
||||
#define CFG_PCMCIA_MEM_ADDR (0xE0000000) |
||||
#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_DMA_ADDR (0xE4000000) |
||||
#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) |
||||
#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
||||
#define CFG_PCMCIA_IO_ADDR (0xEC000000) |
||||
#define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) |
||||
*----------------------------------------------------------------------- |
||||
*/ |
||||
|
||||
#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
||||
|
||||
#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ |
||||
#undef CONFIG_IDE_LED /* LED for ide not supported */ |
||||
#undef CONFIG_IDE_RESET /* reset for ide not supported */ |
||||
|
||||
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ |
||||
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ |
||||
|
||||
#define CFG_ATA_IDE0_OFFSET 0x0000 |
||||
|
||||
#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR |
||||
|
||||
/* Offset for data I/O */ |
||||
#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) |
||||
|
||||
/* Offset for normal register accesses */ |
||||
#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) |
||||
|
||||
/* Offset for alternate registers */ |
||||
#define CFG_ATA_ALT_OFFSET 0x0100 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* |
||||
*----------------------------------------------------------------------- |
||||
* |
||||
*/ |
||||
#define CFG_DER 0 |
||||
|
||||
/*
|
||||
* Init Memory Controller: |
||||
* |
||||
* BR0/1 and OR0/1 (FLASH) |
||||
*/ |
||||
|
||||
#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
||||
#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #1 */ |
||||
|
||||
/* used to re-map FLASH both when starting from SRAM or FLASH:
|
||||
* restrict access enough to keep SRAM working (if any) |
||||
* but not too much to meddle with FLASH accesses |
||||
*/ |
||||
#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
||||
#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ |
||||
|
||||
/*
|
||||
* FLASH timing: |
||||
*/ |
||||
#if defined(CONFIG_100MHz) |
||||
/* 100 MHz CPU - 50 MHz bus:
|
||||
* ACS = 01, TRLX = 0, CSNT = 0, SCY = 7, EHTR = 0 */ |
||||
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV4 | OR_SCY_7_CLK | OR_BI) |
||||
#elif defined(CONFIG_80MHz) |
||||
/* 80 MHz CPU - 40 MHz bus:
|
||||
* ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */ |
||||
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | 0 | OR_CSNT_SAM | \ |
||||
OR_SCY_3_CLK | OR_EHTR | OR_BI) |
||||
#elif defined(CONFIG_66MHz) |
||||
/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ |
||||
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ |
||||
OR_SCY_3_CLK | OR_EHTR | OR_BI) |
||||
#else /* 50 MHz */ |
||||
/* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */ |
||||
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ |
||||
OR_SCY_2_CLK | OR_EHTR | OR_BI) |
||||
#endif /*CONFIG_??MHz */ |
||||
|
||||
#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
||||
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
||||
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) |
||||
|
||||
#define CFG_OR1_REMAP CFG_OR0_REMAP |
||||
#define CFG_OR1_PRELIM CFG_OR0_PRELIM |
||||
#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V ) |
||||
|
||||
/*
|
||||
* BR2/3 and OR2/3 (SDRAM) |
||||
* |
||||
*/ |
||||
#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ |
||||
#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ |
||||
#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ |
||||
|
||||
/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
||||
#define CFG_OR_TIMING_SDRAM 0x00000A00 |
||||
|
||||
#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
||||
#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
||||
|
||||
#ifndef CONFIG_CAN_DRIVER |
||||
#define CFG_OR3_PRELIM CFG_OR2_PRELIM |
||||
#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
||||
#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */ |
||||
#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ |
||||
#define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ |
||||
#define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI) |
||||
#define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \ |
||||
BR_PS_8 | BR_MS_UPMB | BR_V ) |
||||
#endif /* CONFIG_CAN_DRIVER */ |
||||
|
||||
/*
|
||||
* Memory Periodic Timer Prescaler |
||||
* |
||||
* The Divider for PTA (refresh timer) configuration is based on an |
||||
* example SDRAM configuration (64 MBit, one bank). The adjustment to |
||||
* the number of chip selects (NCS) and the actually needed refresh |
||||
* rate is done by setting MPTPR. |
||||
* |
||||
* PTA is calculated from |
||||
* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) |
||||
* |
||||
* gclk CPU clock (not bus clock!) |
||||
* Trefresh Refresh cycle * 4 (four word bursts used) |
||||
* |
||||
* 4096 Rows from SDRAM example configuration |
||||
* 1000 factor s -> ms |
||||
* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration |
||||
* 4 Number of refresh cycles per period |
||||
* 64 Refresh cycle in ms per number of rows |
||||
* -------------------------------------------- |
||||
* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 |
||||
* |
||||
* 50 MHz => 50.000.000 / Divider = 98 |
||||
* 66 Mhz => 66.000.000 / Divider = 129 |
||||
* 80 Mhz => 80.000.000 / Divider = 156 |
||||
* 100 Mhz => 100.000.000 / Divider = 195 |
||||
*/ |
||||
#if defined(CONFIG_100MHz) |
||||
#define CFG_MAMR_PTA 195 |
||||
#elif defined(CONFIG_80MHz) |
||||
#define CFG_MAMR_PTA 156 |
||||
#elif defined(CONFIG_66MHz) |
||||
#define CFG_MAMR_PTA 129 |
||||
#else /* 50 MHz */ |
||||
#define CFG_MAMR_PTA 98 |
||||
#endif /*CONFIG_??MHz */ |
||||
|
||||
/*
|
||||
* For 16 MBit, refresh rates could be 31.3 us |
||||
* (= 64 ms / 2K = 125 / quad bursts). |
||||
* For a simpler initialization, 15.6 us is used instead. |
||||
* |
||||
* #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks |
||||
* #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank |
||||
*/ |
||||
#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
||||
|
||||
/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
||||
#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
||||
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
||||
|
||||
/*
|
||||
* MAMR settings for SDRAM |
||||
*/ |
||||
|
||||
/* 8 column SDRAM */ |
||||
#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
/* 9 column SDRAM */ |
||||
#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
||||
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
|
||||
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
||||
|
||||
|
||||
/*
|
||||
* Internal Definitions |
||||
* |
||||
* Boot Flags |
||||
*/ |
||||
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
||||
#define BOOTFLAG_WARM 0x02 /* Software reboot */ |
||||
|
||||
#define CONFIG_NET_MULTI |
||||
#define CONFIG_SCC1_ENET |
||||
#define CONFIG_FEC_ENET |
||||
#define CONFIG_ETHPRIME "SCC ETHERNET" |
||||
|
||||
#endif /* __CONFIG_H */ |
@ -0,0 +1,208 @@ |
||||
/*
|
||||
* R/O (V)FAT 12/16/32 filesystem implementation by Marcus Sundberg |
||||
* |
||||
* 2002-07-28 - rjones@nexus-tech.net - ported to ppcboot v1.1.6 |
||||
* 2003-03-10 - kharris@nexus-tech.net - ported to u-boot |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
* |
||||
*/ |
||||
|
||||
#ifndef _FAT_H_ |
||||
#define _FAT_H_ |
||||
|
||||
#define CONFIG_SUPPORT_VFAT |
||||
|
||||
#define SECTOR_SIZE FS_BLOCK_SIZE |
||||
|
||||
#define FS_BLOCK_SIZE 512 |
||||
|
||||
#if FS_BLOCK_SIZE != SECTOR_SIZE |
||||
#error FS_BLOCK_SIZE != SECTOR_SIZE - This code needs to be fixed! |
||||
#endif |
||||
|
||||
#define MAX_CLUSTSIZE 65536 |
||||
#define DIRENTSPERBLOCK (FS_BLOCK_SIZE/sizeof(dir_entry)) |
||||
#define DIRENTSPERCLUST ((mydata->clust_size*SECTOR_SIZE)/sizeof(dir_entry)) |
||||
|
||||
#define FATBUFBLOCKS 6 |
||||
#define FATBUFSIZE (FS_BLOCK_SIZE*FATBUFBLOCKS) |
||||
#define FAT12BUFSIZE ((FATBUFSIZE*3)/2) |
||||
#define FAT16BUFSIZE (FATBUFSIZE/2) |
||||
#define FAT32BUFSIZE (FATBUFSIZE/4) |
||||
|
||||
|
||||
/* Filesystem identifiers */ |
||||
#define FAT12_SIGN "FAT12 " |
||||
#define FAT16_SIGN "FAT16 " |
||||
#define FAT32_SIGN "FAT32 " |
||||
#define SIGNLEN 8 |
||||
|
||||
/* File attributes */ |
||||
#define ATTR_RO 1 |
||||
#define ATTR_HIDDEN 2 |
||||
#define ATTR_SYS 4 |
||||
#define ATTR_VOLUME 8 |
||||
#define ATTR_DIR 16 |
||||
#define ATTR_ARCH 32 |
||||
|
||||
#define ATTR_VFAT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) |
||||
|
||||
#define DELETED_FLAG ((char)0xe5) /* Marks deleted files when in name[0] */ |
||||
#define aRING 0x05 /* Used to represent 'å' in name[0] */ |
||||
|
||||
|
||||
/* Flags telling whether we should read a file or list a directory */ |
||||
#define LS_NO 0 |
||||
#define LS_YES 1 |
||||
#define LS_DIR 1 |
||||
#define LS_ROOT 2 |
||||
|
||||
#ifdef DEBUG |
||||
#define FAT_DPRINT(args...) printf(args) |
||||
#else |
||||
#define FAT_DPRINT(args...) |
||||
#endif |
||||
#define FAT_ERROR(arg) printf(arg) |
||||
|
||||
#define ISDIRDELIM(c) ((c) == '/' || (c) == '\\') |
||||
|
||||
#define FSTYPE_NONE (-1) |
||||
|
||||
#if defined(__linux__) && defined(__KERNEL__) |
||||
#define FAT2CPU16 le16_to_cpu |
||||
#define FAT2CPU32 le32_to_cpu |
||||
#else |
||||
#if 1 |
||||
#define FAT2CPU16(x) (x) |
||||
#define FAT2CPU32(x) (x) |
||||
#else |
||||
#define FAT2CPU16(x) ((((x) & 0x00ff) << 8) | (((x) & 0xff00) >> 8)) |
||||
#define FAT2CPU32(x) ((((x) & 0x000000ff) << 24) | \ |
||||
(((x) & 0x0000ff00) << 8) | \
|
||||
(((x) & 0x00ff0000) >> 8) | \
|
||||
(((x) & 0xff000000) >> 24)) |
||||
#endif |
||||
#endif |
||||
|
||||
#define TOLOWER(c) if((c) >= 'A' && (c) <= 'Z'){(c)+=('a' - 'A');} |
||||
#define START(dent) (FAT2CPU16((dent)->start) \ |
||||
+ (mydata->fatsize != 32 ? 0 : \
|
||||
(FAT2CPU16((dent)->starthi) << 16))) |
||||
|
||||
|
||||
typedef struct boot_sector { |
||||
__u8 ignored[3]; /* Bootstrap code */ |
||||
char system_id[8]; /* Name of fs */ |
||||
__u8 sector_size[2]; /* Bytes/sector */ |
||||
__u8 cluster_size; /* Sectors/cluster */ |
||||
__u16 reserved; /* Number of reserved sectors */ |
||||
__u8 fats; /* Number of FATs */ |
||||
__u8 dir_entries[2]; /* Number of root directory entries */ |
||||
__u8 sectors[2]; /* Number of sectors */ |
||||
__u8 media; /* Media code */ |
||||
__u16 fat_length; /* Sectors/FAT */ |
||||
__u16 secs_track; /* Sectors/track */ |
||||
__u16 heads; /* Number of heads */ |
||||
__u32 hidden; /* Number of hidden sectors */ |
||||
__u32 total_sect; /* Number of sectors (if sectors == 0) */ |
||||
|
||||
/* FAT32 only */ |
||||
__u32 fat32_length; /* Sectors/FAT */ |
||||
__u16 flags; /* Bit 8: fat mirroring, low 4: active fat */ |
||||
__u8 version[2]; /* Filesystem version */ |
||||
__u32 root_cluster; /* First cluster in root directory */ |
||||
__u16 info_sector; /* Filesystem info sector */ |
||||
__u16 backup_boot; /* Backup boot sector */ |
||||
__u16 reserved2[6]; /* Unused */ |
||||
} boot_sector; |
||||
|
||||
typedef struct volume_info |
||||
{ |
||||
__u8 drive_number; /* BIOS drive number */ |
||||
__u8 reserved; /* Unused */ |
||||
__u8 ext_boot_sign; /* 0x29 if fields below exist (DOS 3.3+) */ |
||||
__u8 volume_id[4]; /* Volume ID number */ |
||||
char volume_label[11]; /* Volume label */ |
||||
char fs_type[8]; /* Typically FAT12, FAT16, or FAT32 */ |
||||
/* Boot code comes next, all but 2 bytes to fill up sector */ |
||||
/* Boot sign comes last, 2 bytes */ |
||||
} volume_info; |
||||
|
||||
typedef struct dir_entry { |
||||
char name[8],ext[3]; /* Name and extension */ |
||||
__u8 attr; /* Attribute bits */ |
||||
__u8 lcase; /* Case for base and extension */ |
||||
__u8 ctime_ms; /* Creation time, milliseconds */ |
||||
__u16 ctime; /* Creation time */ |
||||
__u16 cdate; /* Creation date */ |
||||
__u16 adate; /* Last access date */ |
||||
__u16 starthi; /* High 16 bits of cluster in FAT32 */ |
||||
__u16 time,date,start;/* Time, date and first cluster */ |
||||
__u32 size; /* File size in bytes */ |
||||
} dir_entry; |
||||
|
||||
typedef struct dir_slot { |
||||
__u8 id; /* Sequence number for slot */ |
||||
__u8 name0_4[10]; /* First 5 characters in name */ |
||||
__u8 attr; /* Attribute byte */ |
||||
__u8 reserved; /* Unused */ |
||||
__u8 alias_checksum;/* Checksum for 8.3 alias */ |
||||
__u8 name5_10[12]; /* 6 more characters in name */ |
||||
__u16 start; /* Unused */ |
||||
__u8 name11_12[4]; /* Last 2 characters in name */ |
||||
} dir_slot; |
||||
|
||||
/* Private filesystem parameters */ |
||||
typedef struct { |
||||
int fatsize; /* Size of FAT in bits */ |
||||
__u16 fatlength; /* Length of FAT in sectors */ |
||||
__u16 fat_sect; /* Starting sector of the FAT */ |
||||
__u16 rootdir_sect; /* Start sector of root directory */ |
||||
__u16 clust_size; /* Size of clusters in sectors */ |
||||
__u16 data_begin; /* The sector of the first cluster */ |
||||
__u8 fatbuf[FATBUFSIZE]; /* Current FAT buffer */ |
||||
int fatbufnum; /* Used by get_fatent, init to -1 */ |
||||
} fsdata; |
||||
|
||||
typedef int (file_detectfs_func)(void); |
||||
typedef int (file_ls_func)(const char *dir); |
||||
typedef long (file_read_func)(const char *filename, void *buffer, |
||||
unsigned long maxsize); |
||||
|
||||
struct filesystem { |
||||
file_detectfs_func *detect; |
||||
file_ls_func *ls; |
||||
file_read_func *read; |
||||
const char name[12]; |
||||
}; |
||||
|
||||
/* FAT tables */ |
||||
file_detectfs_func file_fat_detectfs; |
||||
file_ls_func file_fat_ls; |
||||
file_read_func file_fat_read; |
||||
|
||||
/* Currently this doesn't check if the dir exists or is valid... */ |
||||
int file_cd(const char *path); |
||||
int file_fat_detectfs(void); |
||||
int file_fat_ls(const char *dir); |
||||
long file_fat_read(const char *filename, void *buffer, unsigned long maxsize); |
||||
const char *file_getfsname(int idx); |
||||
|
||||
#endif /* _FAT_H_ */ |
@ -0,0 +1,33 @@ |
||||
/*
|
||||
* (C) Copyright 2000-2003 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#ifndef _MMC_H_ |
||||
#define _MMC_H_ |
||||
#include <asm/arch/mmc.h> |
||||
|
||||
int mmc_init(int verbose); |
||||
int mmc_read(ulong src, uchar *dst, int size); |
||||
int mmc_write(uchar *src, ulong dst, int size); |
||||
int mmc2info(ulong addr); |
||||
|
||||
#endif /* _MMC_H_ */ |
Loading…
Reference in new issue