diff options
| -rw-r--r-- | chipset_enable.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/chipset_enable.c b/chipset_enable.c index b859be8c..2bf92047 100644 --- a/chipset_enable.c +++ b/chipset_enable.c @@ -191,11 +191,47 @@ static int enable_flash_ich(struct pci_dev *dev, const char *name, static int enable_flash_ich_4e(struct pci_dev *dev, const char *name) { + /* + * Note: ICH5 has registers similar to FWH_SEL1, FWH_SEL2 and + * FWH_DEC_EN1, but they are called FB_SEL1, FB_SEL2, FB_DEC_EN1 and + * FB_DEC_EN2. + */ return enable_flash_ich(dev, name, 0x4e); } static int enable_flash_ich_dc(struct pci_dev *dev, const char *name) { + uint32_t fwh_conf; + int i; + + /* Ignore all legacy ranges below 1 MB. */ + /* FWH_SEL1 */ + fwh_conf = pci_read_long(dev, 0xd0); + for (i = 7; i >= 0; i--) + printf_debug("\n0x%08x/0x%08x FWH IDSEL: 0x%x", + (0x1ff8 + i) * 0x80000, + (0x1ff0 + i) * 0x80000, + (fwh_conf >> (i * 4)) & 0xf); + /* FWH_SEL2 */ + fwh_conf = pci_read_word(dev, 0xd4); + for (i = 3; i >= 0; i--) + printf_debug("\n0x%08x/0x%08x FWH IDSEL: 0x%x", + (0xff4 + i) * 0x100000, + (0xff0 + i) * 0x100000, + (fwh_conf >> (i * 4)) & 0xf); + /* FWH_DEC_EN1 */ + fwh_conf = pci_read_word(dev, 0xd8); + for (i = 7; i >= 0; i--) + printf_debug("\n0x%08x/0x%08x FWH decode %sabled", + (0x1ff8 + i) * 0x80000, + (0x1ff0 + i) * 0x80000, + (fwh_conf >> (i + 0x8)) & 0x1 ? "en" : "dis"); + for (i = 3; i >= 0; i--) + printf_debug("\n0x%08x/0x%08x FWH decode %sabled", + (0xff4 + i) * 0x100000, + (0xff0 + i) * 0x100000, + (fwh_conf >> i) & 0x1 ? "en" : "dis"); + return enable_flash_ich(dev, name, 0xdc); } |