annotate target-utils/libload/intelflash.c @ 332:ea41b6001848

uptools/libcoding: SC address decoding implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 03 Feb 2018 22:57:45 +0000
parents e7502631a0f9
children
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e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This module implements the INFB and INFW commands for programming
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 * Intel-style flash memories. The syntax and operation are exactly
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 * the same as the AMD flash counterparts AMFB and AMFW.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 *
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 * The intel-rewrite-sector command (erase+program with a minimum of
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * vulnerability for brickable-boot Compal phones) is implemented
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 * here as well.
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Mychaela Falconia <falcon@freecalypso.org>
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9 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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10
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 #include "types.h"
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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13
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 static u32 base_addr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 void
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 cmd_INFB(argbulk)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 char *argbulk;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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19 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 char *argv[2];
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 u_long addr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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22
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (parse_hexarg(argv[0], 8, &addr) < 0) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 printf("ERROR: argument must be a valid 32-bit hex address\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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27 return;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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28 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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29 if (addr & 1) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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30 printf("ERROR: odd address\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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31 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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32 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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33 base_addr = addr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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34 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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35
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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36 void
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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37 cmd_INFW(argbulk)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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38 char *argbulk;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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39 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 char *argv[3], *s;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 u_long offset;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 volatile u16 *flashptr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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43 u32 datum; /* needs to be u32 for decode_hex_digits() */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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44 u16 stat;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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45 int i;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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46
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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47 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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49 if (parse_hexarg(argv[0], 8, &offset) < 0) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 printf("ERROR: offset argument must a valid 32-bit hex value\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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51 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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52 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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53 if (offset & 1) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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54 printf("ERROR: odd offset argument\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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56 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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57 flashptr = (volatile u16 *)(base_addr + offset);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 for (s = argv[1]; *s; flashptr++, s += 4) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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59 if (decode_hex_digits(s, 4, &datum) < 0) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 printf("ERROR: bad INFW hex string argument\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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61 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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62 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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63 *flashptr = 0x40;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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64 *flashptr = datum;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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65 for (i = 10000; i; i--) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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66 stat = *flashptr;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 if (stat & 0x80)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 if (!i) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 printf("ERROR: flash write timeout at %08X\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 (u_long) flashptr);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 if (stat & 0x10) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 printf("ERROR: program operation failed at %08X\n",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 (u_long) flashptr);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 return;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 void
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 cmd_intel_rewrite_sector(argbulk)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 char *argbulk;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 char *argv[4];
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 u_long srcaddr, dstaddr, len;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 const u16 *srcptr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 volatile u16 *flashptr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 u16 stat;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 if (parse_args(argbulk, 3, 3, argv, 0) < 0)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 return;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 if (parse_hexarg(argv[0], 8, &srcaddr) < 0) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 invarg: printf("ERROR: invalid argument(s)\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 return;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 if (parse_hexarg(argv[1], 8, &dstaddr) < 0)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 goto invarg;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 if (parse_hexarg(argv[2], 8, &len) < 0)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 goto invarg;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 if (srcaddr & 1 || dstaddr & 1 || len & 1) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 printf("ERROR: all 3 arguments must be even\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 return;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 srcptr = (const u16 *) srcaddr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 flashptr = (volatile u16 *) dstaddr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 /* unlock the flash sector first */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 *flashptr = 0x60;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 *flashptr = 0xD0;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 /* clear SR */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 *flashptr = 0x50;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 /* erase */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 *flashptr = 0x20;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 *flashptr = 0xD0;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 /* wait for erase completion */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 for (;;) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 stat = *flashptr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 if (stat & 0x80)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 break;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 if (stat & 0x30) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 printf("ERROR: erase operation failed!\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 return;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 /* now program the new content */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 for (; len; len -= 2) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 *flashptr = 0x40;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 *flashptr = *srcptr++;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 for (;;) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 stat = *flashptr;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 if (stat & 0x80)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 break;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 flashptr++;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 printf("Operation complete, final SR: %02X\n", stat & 0xFF);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }