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Fix decoding of SB600 LPC ROM protection registers

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The address part was using a bit of the size, the size was missing the
upper bit, was off by 1023 bytes and included the protection bits.

Corresponding to flashrom svn r1250.

Signed-off-by: Mathias Krause <mathias.krause@secunet.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Mathias Krause 2011-01-01 10:54:09 +00:00
parent 1a6162ed8d
commit 9fbdc03d9f
1 changed files with 6 additions and 6 deletions
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12
chipset_enable.c
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@ -691,20 +691,20 @@ static int enable_flash_sb600(struct pci_dev *dev, const char *name)
/* No protection flags for this region?*/
if ((prot & 0x3) == 0)
continue;
msg_pinfo("SB600 %s%sprotected from %u to %u\n",
msg_pinfo("SB600 %s%sprotected from 0x%08x to 0x%08x\n",
(prot & 0x1) ? "write " : "",
(prot & 0x2) ? "read " : "",
(prot & 0xfffffc00),
(prot & 0xfffffc00) + ((prot & 0x3ff) << 8));
(prot & 0xfffff800),
(prot & 0xfffff800) + (((prot & 0x7fc) << 8) | 0x3ff));
prot &= 0xfffffffc;
rpci_write_byte(dev, reg, prot);
prot = pci_read_long(dev, reg);
if (prot & 0x3)
msg_perr("SB600 %s%sunprotect failed from %u to %u\n",
msg_perr("SB600 %s%sunprotect failed from 0x%08x to 0x%08x\n",
(prot & 0x1) ? "write " : "",
(prot & 0x2) ? "read " : "",
(prot & 0xfffffc00),
(prot & 0xfffffc00) + ((prot & 0x3ff) << 8));
(prot & 0xfffff800),
(prot & 0xfffff800) + (((prot & 0x7fc) << 8) | 0x3ff));
}
buses_supported = CHIP_BUSTYPE_LPC | CHIP_BUSTYPE_FWH;