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HW info: removed the V2 boot ROM crap, now gives boot ROM CRC or says no boot ROM in case of flash mirror

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3995 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2003-10-29 22:10:13 +00:00
parent bfe9c5b608
commit d8b31814c7
1 changed files with 32 additions and 12 deletions
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44
apps/debug_menu.c
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@ -274,7 +274,8 @@ bool dbg_hw_info(void)
int rom_version = *(unsigned short*)0x20000fe; int rom_version = *(unsigned short*)0x20000fe;
unsigned manu, id; /* flash IDs */ unsigned manu, id; /* flash IDs */
bool got_id; /* flag if we managed to get the flash IDs */ bool got_id; /* flag if we managed to get the flash IDs */
unsigned rom_crc; /* CRC16 of the boot ROM */ unsigned rom_crc = 0xFFFF; /* CRC16 of the boot ROM */
bool has_bootrom; /* flag for boot ROM present */
if(PADR & 0x400) if(PADR & 0x400)
usb_polarity = 0; /* Negative */ usb_polarity = 0; /* Negative */
@ -291,8 +292,13 @@ bool dbg_hw_info(void)
if (!got_id) if (!got_id)
got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */ got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */
/* calculate CRC16 checksum of boot ROM */ /* check if the boot ROM area is a flash mirror */
rom_crc = crc_16((unsigned char*)0x0000, 64*1024); has_bootrom = (memcmp((char*)0, (char*)0x02000000, 64*1024) != 0);
if (has_bootrom) /* if ROM and Flash different */
{
/* calculate CRC16 checksum of boot ROM */
rom_crc = crc_16((unsigned char*)0x0000, 64*1024);
}
lcd_setmargins(0, 0); lcd_setmargins(0, 0);
lcd_setfont(FONT_SYSFIXED); lcd_setfont(FONT_SYSFIXED);
@ -322,11 +328,16 @@ bool dbg_hw_info(void)
snprintf(buf, 32, "Flash: M=?? D=??"); /* unknown, sorry */ snprintf(buf, 32, "Flash: M=?? D=??"); /* unknown, sorry */
lcd_puts(0, 6, buf); lcd_puts(0, 6, buf);
snprintf(buf, 32-3, "ROM CRC: 0x%04x", rom_crc); if (has_bootrom)
if (rom_crc == 0x222F) /* Version 1 */ {
strcat(buf, " V1"); snprintf(buf, 32-3, "ROM CRC: 0x%04x", rom_crc);
else if (rom_crc == 0x8C1E) /* Version 2 */ if (rom_crc == 0x222F) /* known Version 1 */
strcat(buf, " V2"); strcat(buf, " V1");
}
else
{
snprintf(buf, 32, "Boot ROM: none");
}
lcd_puts(0, 7, buf); lcd_puts(0, 7, buf);
lcd_update(); lcd_update();
@ -351,7 +362,8 @@ bool dbg_hw_info(void)
int rom_version = *(unsigned short*)0x20000fe; int rom_version = *(unsigned short*)0x20000fe;
unsigned manu, id; /* flash IDs */ unsigned manu, id; /* flash IDs */
bool got_id; /* flag if we managed to get the flash IDs */ bool got_id; /* flag if we managed to get the flash IDs */
unsigned rom_crc; /* CRC16 of the boot ROM */ unsigned rom_crc = 0xFFFF; /* CRC16 of the boot ROM */
bool has_bootrom; /* flag for boot ROM present */
if(PADR & 0x400) if(PADR & 0x400)
usb_polarity = 0; /* Negative */ usb_polarity = 0; /* Negative */
@ -363,8 +375,13 @@ bool dbg_hw_info(void)
if (!got_id) if (!got_id)
got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */ got_id = dbg_flash_id(&manu, &id, 0x555, 0x2AA); /* try AMD, Macronix */
/* calculate CRC16 checksum of boot ROM */ /* check if the boot ROM area is a flash mirror */
rom_crc = crc_16((unsigned char*)0x0000, 64*1024); has_bootrom = (memcmp((char*)0, (char*)0x02000000, 64*1024) != 0);
if (has_bootrom) /* if ROM and Flash different */
{
/* calculate CRC16 checksum of boot ROM */
rom_crc = crc_16((unsigned char*)0x0000, 64*1024);
}
lcd_clear_display(); lcd_clear_display();
@ -395,7 +412,10 @@ bool dbg_hw_info(void)
snprintf(buf, 32, "Flash:??,??"); /* unknown, sorry */ snprintf(buf, 32, "Flash:??,??"); /* unknown, sorry */
break; break;
case 5: case 5:
snprintf(buf, 32, "ROM CRC:%04x", rom_crc); if (has_bootrom)
snprintf(buf, 32, "RomCRC:%04x", rom_crc);
else
snprintf(buf, 32, "BootROM: no");
} }
lcd_puts(0, 1, buf); lcd_puts(0, 1, buf);