flash/nor/xmc4xxx: Loosen checks for XMC4500

According to Infineon, XMC4500 EES AA13 with date codes before GE212 -
as seen on an XMC4500 General App Kit - had a zero SCU_IDCHIP register.

Handle this by extending our checks to not error out on zero SCU_IDCHIP
and by printing a useful info string in that case.

Change-Id: Ic2d641a314627dd5a1ff775a0113999191b95e3d
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/2751
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Jeff Ciesielski <jeffciesielski@gmail.com>
This commit is contained in:
Andreas Färber 2015-04-19 21:25:12 +02:00 committed by Freddie Chopin
parent 33b048d456
commit ed54838ea6

View File

@ -341,7 +341,7 @@ static int xmc4xxx_probe(struct flash_bank *bank)
}
/* Make sure this is a XMC4000 family device */
if ((devid & 0xF0000) != 0x40000) {
if ((devid & 0xF0000) != 0x40000 && devid != 0) {
LOG_ERROR("Platform ID doesn't match XMC4xxx: 0x%08" PRIx32, devid);
return ERROR_FAIL;
}
@ -949,6 +949,13 @@ static int xmc4xxx_get_info_command(struct flash_bank *bank, char *buf, int buf_
break;
}
break;
case 0:
/* XMC4500 EES AA13 with date codes before GE212
* had zero SCU_IDCHIP
*/
dev_str = "XMC4500 EES";
rev_str = "AA13";
break;
case 0x500:
dev_str = "XMC4500";