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authorKevin2014-11-15 11:48:36 +0800
committerKevin2014-11-15 11:48:36 +0800
commitd04075478d378d9e15f3e1abfd14b0bd124077d4 (patch)
tree733dd964582f388b9e3e367c249946cd32a2851f /board/wmt/env.c
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init commit via android 4.4 uboot
Diffstat (limited to 'board/wmt/env.c')
-rwxr-xr-xboard/wmt/env.c337
1 files changed, 337 insertions, 0 deletions
diff --git a/board/wmt/env.c b/board/wmt/env.c
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+++ b/board/wmt/env.c
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+/*
+ * This file is derived from crc32.c in U-Boot 1.1.4.
+ * For conditions of distribution and use, see copyright in crc32.c
+ */
+
+/*++
+Copyright (c) 2010 WonderMedia Technologies, Inc.
+
+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, see http://www.gnu.org/licenses/>.
+
+WonderMedia Technologies, Inc.
+10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+--*/
+
+//#include <stdio.h>
+//#include <stdarg.h>
+//#include <stdlib.h>
+//#include <string.h>
+#include <malloc.h>
+#include "env.h"
+#ifndef NULL
+#define NULL 0
+#endif
+#define printf(...)
+const unsigned int sf_crc_table[256] = {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
+ 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
+ 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
+ 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
+ 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
+ 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
+ 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
+ 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
+ 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
+ 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
+ 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
+ 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
+ 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
+ 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
+ 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
+ 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
+ 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
+ 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
+ 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
+ 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
+ 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
+ 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
+ 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
+ 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
+ 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
+ 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
+ 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
+ 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
+ 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
+ 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
+ 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
+ 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
+ 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
+ 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
+ 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
+ 0x2d02ef8d
+};
+
+#define DO1(buf) crc = sf_crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
+#define DO2(buf) do { DO1(buf); DO1(buf); } while (0)
+#define DO4(buf) do { DO2(buf); DO2(buf); } while (0)
+#define DO8(buf) do { DO4(buf); DO4(buf); } while (0)
+/* ========================================================================= */
+unsigned int char2int(char c)
+{
+ switch (c) {
+ case '0':
+ return 0;
+ case '1':
+ return 1;
+ case '2':
+ return 2;
+ case '3':
+ return 3;
+ case '4':
+ return 4;
+ case '5':
+ return 5;
+ case '6':
+ return 6;
+ case '7':
+ return 7;
+ case '8':
+ return 8;
+ case '9':
+ return 9;
+ case 'A':
+ case 'a':
+ return 10;
+ case 'B':
+ case 'b':
+ return 11;
+ case 'C':
+ case 'c':
+ return 12;
+ case 'D':
+ case 'd':
+ return 13;
+ case 'E':
+ case 'e':
+ return 14;
+ case 'F':
+ case 'f':
+ return 15;
+ }
+ return c;
+}
+
+int env_find_env(char *name, char *buf, struct env_para_def *para)
+{
+ unsigned int env_name_pos = 0;
+ unsigned int env_para_pos = 0;
+ unsigned int pos = 0;
+
+ if (name == NULL) {
+ printf(" name is NULL\n");
+ return -1;
+ }
+ env_name_pos = 5;
+ while (1) {
+ if (env_cmp_name(env_name_pos, buf, name) == 0) {
+ env_para_pos = env_find_para_pos(env_name_pos, buf);
+ pos = env_para_pos;
+ while (buf[pos])
+ pos++;
+ para->size = pos-env_para_pos;
+ para->npos = env_name_pos;
+ para->ppos = env_para_pos;
+ if (para->size) {
+ para->value = malloc(para->size+1);
+ memset(para->value, 0, para->size+1);
+ memcpy(para->value, &buf[env_para_pos], para->size+1);
+ }
+ return 0;
+ }
+ env_name_pos = env_find_next_pos(env_name_pos, buf);
+ if (!buf[env_name_pos]) {
+ printf(" %s can not found.....\n", name);
+ /* free(buf); */
+ return -1;
+ }
+ }
+}
+
+unsigned int sf_env_crc32(unsigned char *buf)
+{
+ unsigned int crc = 0;
+ unsigned int len = 0xfffb;
+
+ crc = crc ^ 0xffffffff;
+ while (len >= 8) {
+ DO8(buf);
+ len -= 8;
+ }
+ if (len)
+ do {
+ DO1(buf);
+ } while (--len);
+
+ return crc ^ 0xffffffff;
+}
+
+char test_name[100];
+
+int env_cmp_name(unsigned int pos, char *buf, char *name)
+{
+ unsigned int cnt, cnt1;
+ int mach;
+ unsigned int tmppos = 0;
+ unsigned int tmpcnt = 0;
+
+ memset(test_name, 0, 50);
+ tmppos = pos;
+ while (buf[tmppos] != '=') {
+ tmpcnt++;
+ tmppos++;
+ }
+ memcpy(test_name, &buf[pos], tmpcnt);
+ printf(" %s %s ", name, test_name);
+ cnt1 = 0;
+ while (name[cnt1])
+ cnt1++;
+ mach = 1;
+ cnt = 0;
+ while (1) {
+ if (name[cnt] != buf[pos])
+ mach = 0;
+ if (!mach)
+ break;
+ cnt++;
+ pos++;
+ if ((name[cnt] == 0) || (buf[pos] == '=')) {
+ if ((cnt != cnt1) || (buf[pos] != '='))
+ mach = 0;
+ break;
+ }
+ }
+ if (mach) {
+ printf("..... found\n");
+ return 0;
+ }
+ printf("....... not found\n");
+ return -1;
+}
+
+unsigned int env_find_next_pos(unsigned int pos, char *buf)
+{
+ while (buf[pos])
+ pos++;
+ return pos+1;
+}
+
+unsigned int env_find_para_pos(unsigned int pos, char *buf)
+{
+ while (buf[pos] != '=')
+ pos++;
+ return pos+1;
+}
+
+char *sf_env_init(unsigned int *pos)
+{
+ unsigned int start = 0xfffd0000;
+ char env_sel;
+ char *buf;
+
+ env_sel = *(char *)(start+4);
+ if (!env_sel) {
+ start = 0xfffe0000;
+ env_sel = *(char *)(start+4);
+ if (!env_sel) {
+ printf("can not find U-boot env\n");
+ return NULL;
+ }
+ }
+ *pos = start;
+ buf = malloc(0x10000);
+ memset(buf, 0, 0x10000);
+ memcpy(buf, (char *)start, 0x10000);
+
+ return buf;
+}
+
+int env_read_para1(char *name, struct env_para_def *para)
+{
+ char *buf;
+ unsigned int sf_pos = 0;
+
+ if (name == NULL) {
+ printf("name is NULL\n");
+ return -1;
+ }
+ buf = sf_env_init(&sf_pos);
+ if (!buf) {
+ printf("get spi fial\n");
+ free(buf);
+ return -1;
+ }
+ if (env_find_env(name, buf, para)) {
+ free(buf);
+ return -1;
+ }
+ if (!para->size) {
+ printf("value/string is NULL\n");
+ free(buf);
+ return -1;
+ }
+ free(buf);
+ return 0;
+}
+
+unsigned int env_get_para_value(char *buf)
+{
+ unsigned int value, pos;
+ unsigned int cnt = 0, tmp;
+
+ value = 0;
+ pos = 0;
+ while (buf[pos] != 0) {
+ value = value | (char2int(buf[pos]) << (cnt * 4));
+ cnt++;
+ pos++;
+ if (cnt > 8) {
+ printf("can not find para end failed\n");
+ break;
+ }
+ }
+ tmp = value;
+ value = 0;
+ cnt--;
+ while (cnt) {
+ value = value | ((tmp & 0x0f) << (cnt * 4));
+ tmp = tmp >> 4;
+ cnt--;
+ }
+ value = value | tmp;
+ return value;
+}
+
+unsigned int env_get_env_value(char *name)
+{
+ struct env_para_def para;
+
+ if (env_read_para1(name, &para))
+ return 0;
+ else
+ return env_get_para_value(para.value);
+}
+