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cold-flash: Show OMAP chip revision

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Pali Rohár committed 2016-12-06 23:13:48 +01:00
1 parent 9ea8f2bb38
commit 0650cdf51f
1 file changed
+11 -7
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src/cold-flash.c
+11 -7
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@@ -323,6 +323,7 @@ int init_cold_flash(struct usb_device_info * dev) {
uint8_t asic_buffer[127]; uint8_t asic_buffer[127];
int asic_size = 69; int asic_size = 69;
const char * chip = NULL; const char * chip = NULL;
int revision;
int i; int i;
if ( dev->flash_device->protocol != FLASH_COLD ) if ( dev->flash_device->protocol != FLASH_COLD )
@@ -346,11 +347,11 @@ int init_cold_flash(struct usb_device_info * dev) {
if ( asic_buffer[0] != 0x05 ) if ( asic_buffer[0] != 0x05 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* ID Subblock - header */ /* 1. ID Subblock - header */
if ( memcmp(asic_buffer+1, "\x01\x05\x01", 3) != 0 ) if ( memcmp(asic_buffer+1, "\x01\x05\x01", 3) != 0 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* ID Subblock - OMAP chip version (check for OMAP3430 or 3630) */ /* 1. ID Subblock - OMAP chip version (check for OMAP3430 or 3630) */
if ( memcmp(asic_buffer+4, "\x34\x30\x07", 3) == 0 ) if ( memcmp(asic_buffer+4, "\x34\x30\x07", 3) == 0 )
chip = "OMAP3430"; chip = "OMAP3430";
else if ( memcmp(asic_buffer+4, "\x36\x30\x07", 3) == 0 ) else if ( memcmp(asic_buffer+4, "\x36\x30\x07", 3) == 0 )
@@ -358,23 +359,26 @@ int init_cold_flash(struct usb_device_info * dev) {
else else
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* Reserved1 - header */ /* 1. ID Subblock - OMAP chip revision */
revision = asic_buffer[7];
/* 2. Secure Mode Subblock - header */
if ( memcmp(asic_buffer+8, "\x13\x02\x01", 3) != 0 ) if ( memcmp(asic_buffer+8, "\x13\x02\x01", 3) != 0 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* 2nd ID Subblock - header */ /* 3. 2nd ID Subblock - header */
if ( memcmp(asic_buffer+12, "\x12\x15\x01", 3) != 0 ) if ( memcmp(asic_buffer+12, "\x12\x15\x01", 3) != 0 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* Reserved2 - header */ /* 4. Root Key Hash Subblock - header */
if ( memcmp(asic_buffer+35, "\x14\x15\x01", 3) != 0 ) if ( memcmp(asic_buffer+35, "\x14\x15\x01", 3) != 0 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
/* Checksum subblock - header */ /* 5. Checksum subblock - header */
if ( memcmp(asic_buffer+58, "\x15\x09\x01", 3) != 0 ) if ( memcmp(asic_buffer+58, "\x15\x09\x01", 3) != 0 )
ERROR_RETURN("Invalid ASIC ID", -1); ERROR_RETURN("Invalid ASIC ID", -1);
printf("Detected %s chip\n", chip); printf("Detected %s chip (revision %d)\n", chip, revision);
return 0; return 0;