can't read PDA or update firmware
Andy Lutomirski
luto
Fri Dec 5 01:45:05 PST 2003
Jouni Malinen wrote:
> On Thu, Dec 04, 2003 at 10:20:34PM -0800, Andy Lutomirski wrote:
>
>
>>>>wifi0: trying to read PDA from 0x007f0000: failed
>>>>wifi0: trying to read PDA from 0x003f0000: failed
>>>>wifi0: trying to read PDA from 0x00390000: failed
>
>
>># dd if=$AUXF of=aux-007F0000 bs=1k count=1 skip=8128
>
>
> Thanks. That sure looked odd.. Have you upgraded the card firmware or
> changed PDA before? It looks like 0x007f0000 (and 0x003f0000 probably
> giving the same memory area) contains a valid PDA; however, start offset
> is off by two bytes.. The first two bytes (zeroes) should not really be
> there..
No. This is straight out of the retail box two days ago.
>
> A quick test would be to change pda_addr addresses in the beginning of
> prism2_read_pda() in driver/modules/hostap_download.c so that read would
> start at 0x7f0002, not 0x7f0000.. This change might be enough to make
> the driver able to read the PDA. prism2_srec should also work, because
> it just reads PDA from the proc file. You might consider trying a RAM
> download first before writing anything to flash, though.
I changed the driver, but I can't find a RAM image to download, and I'm
a bit afraid to download into flash. Do you know where I can find RAM
firmware for 8013?
BTW, would a patch like this be likely to be accepted (not tested but
obviously correct, for some odd definition of correct)?
--- ./hostap_download.c.orig 2003-11-02 19:00:44.000000000 -0800
+++ ./hostap_download.c 2003-12-05 01:42:10.505702845 -0800
@@ -182,11 +182,12 @@
{
u8 *buf;
int res, i, found = 0;
-#define NUM_PDA_ADDRS 3
+#define NUM_PDA_ADDRS 4
unsigned int pda_addr[NUM_PDA_ADDRS] = {
0x7f0000 /* others than HFA3841 */,
0x3f0000 /* HFA3841 */,
- 0x390000 /* apparently used in older cards */
+ 0x390000 /* apparently used in older cards */,
+ 0x7f0002 /* strange Intel card */
};
buf = (u8 *) kmalloc(PRISM2_PDA_SIZE, GFP_KERNEL);
I wonder if anyone else has seen this...
Thanks,
Andy
More information about the Hostap
mailing list