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author | Ronald G. Minnich <rminnich@gmail.com> | 2002-09-06 16:58:14 +0000 |
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committer | Ronald G. Minnich <rminnich@gmail.com> | 2002-09-06 16:58:14 +0000 |
commit | 56439427500146bf125b081406275be55fa5d9e3 (patch) | |
tree | 5a0b1c587d80a2fcc65fe89acdaa8f203d0d31b3 /82802ab.h | |
parent | 6041bcda7ac8c8a7470bba58e8b26cdfd5746679 (diff) | |
download | flashrom-56439427500146bf125b081406275be55fa5d9e3.tar.gz flashrom-56439427500146bf125b081406275be55fa5d9e3.tar.bz2 flashrom-56439427500146bf125b081406275be55fa5d9e3.zip |
Can now burn 82802ab
Corresponding to coreboot v1 svn r633.
Diffstat (limited to '82802ab.h')
-rw-r--r-- | 82802ab.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/82802ab.h b/82802ab.h new file mode 100644 index 00000000..3649704c --- /dev/null +++ b/82802ab.h @@ -0,0 +1,44 @@ +extern int probe_82802ab (struct flashchip * flash); +extern int erase_82802ab (struct flashchip * flash); +extern int write_82802ab (struct flashchip * flash, char * buf); + +extern __inline__ void toggle_ready_82802ab (volatile char * dst) +{ + unsigned int i = 0; + char tmp1, tmp2; + + tmp1 = *dst & 0x40; + + while (i++ < 0xFFFFFF) { + tmp2 = *dst & 0x40; + if (tmp1 == tmp2) { + break; + } + tmp1 = tmp2; + } +} + +extern __inline__ void data_polling_82802ab (volatile char * dst, char data) +{ + unsigned int i = 0; + char tmp; + + data &= 0x80; + + while (i++ < 0xFFFFFF) { + tmp = *dst & 0x80; + if (tmp == data) { + break; + } + } +} + +extern __inline__ void protect_82802ab (volatile char * bios) +{ + *(volatile char *) (bios + 0x5555) = 0xAA; + *(volatile char *) (bios + 0x2AAA) = 0x55; + *(volatile char *) (bios + 0x5555) = 0xA0; + + usleep(200); +} + |