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author | Ronald G. Minnich <rminnich@gmail.com> | 2003-09-30 18:18:22 +0000 |
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committer | Ronald G. Minnich <rminnich@gmail.com> | 2003-09-30 18:18:22 +0000 |
commit | 303349a9d2c266bb342a76f3d55600243ef0b774 (patch) | |
tree | 336def2889c3d6556ede23b4a0bc26e54072f167 /src/southbridge/via/vt8231/vt8231.c | |
parent | 00359e91ec36a52fd99f3ad16ec4125ecc3dfb61 (diff) | |
download | coreboot-303349a9d2c266bb342a76f3d55600243ef0b774.tar.gz coreboot-303349a9d2c266bb342a76f3d55600243ef0b774.tar.bz2 coreboot-303349a9d2c266bb342a76f3d55600243ef0b774.zip |
fix and complaint.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1163 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/via/vt8231/vt8231.c')
-rw-r--r-- | src/southbridge/via/vt8231/vt8231.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/southbridge/via/vt8231/vt8231.c b/src/southbridge/via/vt8231/vt8231.c index 3e6372c64f5e..95e2ca573a8b 100644 --- a/src/southbridge/via/vt8231/vt8231.c +++ b/src/southbridge/via/vt8231/vt8231.c @@ -134,6 +134,24 @@ static void ethernet_fixup() } +/* we need to do things in this function so that PCI scan will find + * them. One problem here is that we can't use ANY of the new device + * stuff. This work here precedes all that. + * Fundamental problem with linuxbios V2 architecture. + * You can't do pci control in the C code without having done a PCI scan. + * But in some cases you need to to pci control in the c code before doing + * a PCI scan. But you can't use arch/romcc_io.h (the code you need) because + * that has functions with the same name but different type signatures + * (e.g. device_t). This needs to get fixed. We need low-level pci scans + * in the C code. + */ +static void vt8231_pci_enable(struct southbridge_via_vt8231_config *conf) { + unsigned long busdevfn = 0x8000; + if (conf->enable_ide) { + printk_spew("%s: enabling IDE function\n", __FUNCTION__); + } + +} static void vt8231_init(struct southbridge_via_vt8231_config *conf) { unsigned char enables; @@ -144,7 +162,7 @@ static void vt8231_init(struct southbridge_via_vt8231_config *conf) // to do: use the pcibios_find function here, instead of // hard coding the devfn. // done - kevinh/Ispiri - + printk_spew("vt8231 init\n"); /* Base 8231 controller */ dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); /* IDE controller */ @@ -262,6 +280,7 @@ static void vt8231_init(struct southbridge_via_vt8231_config *conf) // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI // interrupts. Using PCI ints confuses linux for some reason. + printk_info("%s: enabling native IDE addresses\n", __FUNCTION__); enables = pci_read_config8(dev1, 0x42); printk_debug("enables in reg 0x42 0x%x\n", enables); enables &= ~0xc0; // compatability mode @@ -352,6 +371,10 @@ southbridge_init(struct chip *chip, enum chip_pass pass) (struct southbridge_via_vt8231_config *)chip->chip_info; switch (pass) { + case CONF_PASS_PRE_PCI: + vt8231_pci_enable(conf); + break; + case CONF_PASS_POST_PCI: vt8231_init(conf); break; |