diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-04-27 06:56:47 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-04-27 06:56:47 +0000 |
| commit | 14e22779625de673569c7b950ecc2753fb915b31 (patch) | |
| tree | 14a6ed759e116e9e6e9bbd7f499b74b96d6cc072 /src/southbridge/via/vt8231/vt8231_ide.c | |
| parent | 0e1e8065e303030c39c3f2c27e5d32ee58a16c66 (diff) | |
Since some people disapprove of white space cleanups mixed in regular commits
while others dislike them being extra commits, let's clean them up once and
for all for the existing code. If it's ugly, let it only be ugly once :-)
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/via/vt8231/vt8231_ide.c')
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_ide.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/southbridge/via/vt8231/vt8231_ide.c b/src/southbridge/via/vt8231/vt8231_ide.c index c1df5ef5cd..46479c4af3 100644 --- a/src/southbridge/via/vt8231/vt8231_ide.c +++ b/src/southbridge/via/vt8231/vt8231_ide.c @@ -18,7 +18,7 @@ static void ide_init(struct device *dev) * or it is possibly a timing issue. Ben Hewson 29 Apr 2007. */ - /* + /* printk(BIOS_INFO, "%s: enabling compatibility IDE addresses\n", __func__); enables = pci_read_config8(dev, 0x42); printk(BIOS_DEBUG, "enables in reg 0x42 0x%x\n", enables); @@ -28,73 +28,73 @@ static void ide_init(struct device *dev) printk(BIOS_DEBUG, "enables in reg 0x42 read back as 0x%x\n", enables); */ } - + enables = pci_read_config8(dev, 0x40); printk(BIOS_DEBUG, "enables in reg 0x40 0x%x\n", enables); enables |= 3; pci_write_config8(dev, 0x40, enables); enables = pci_read_config8(dev, 0x40); printk(BIOS_DEBUG, "enables in reg 0x40 read back as 0x%x\n", enables); - + // Enable prefetch buffers enables = pci_read_config8(dev, 0x41); enables |= 0xf0; pci_write_config8(dev, 0x41, enables); - + // Lower thresholds (cause award does it) enables = pci_read_config8(dev, 0x43); enables &= ~0x0f; enables |= 0x05; pci_write_config8(dev, 0x43, enables); - + // PIO read prefetch counter (cause award does it) pci_write_config8(dev, 0x44, 0x18); - + // Use memory read multiple pci_write_config8(dev, 0x45, 0x1c); - - // address decoding. + + // address decoding. // we want "flexible", i.e. 1f0-1f7 etc. or native PCI - // kevinh@ispiri.com - the standard linux drivers seem ass slow when + // kevinh@ispiri.com - the standard linux drivers seem ass slow when // used in native mode - I've changed back to classic enables = pci_read_config8(dev, 0x9); printk(BIOS_DEBUG, "enables in reg 0x9 0x%x\n", enables); - // by the book, set the low-order nibble to 0xa. + // by the book, set the low-order nibble to 0xa. if (conf->enable_native_ide) { enables &= ~0xf; - // cf/cg silicon needs an 'f' here. + // cf/cg silicon needs an 'f' here. enables |= 0xf; } else { enables &= ~0x5; } - + pci_write_config8(dev, 0x9, enables); enables = pci_read_config8(dev, 0x9); printk(BIOS_DEBUG, "enables in reg 0x9 read back as 0x%x\n", enables); - - // standard bios sets master bit. + + // standard bios sets master bit. enables = pci_read_config8(dev, 0x4); printk(BIOS_DEBUG, "command in reg 0x4 0x%x\n", enables); enables |= 7; - + // No need for stepping - kevinh@ispiri.com enables &= ~0x80; - + pci_write_config8(dev, 0x4, enables); enables = pci_read_config8(dev, 0x4); printk(BIOS_DEBUG, "command in reg 0x4 reads back as 0x%x\n", enables); - + if (!conf->enable_native_ide) { // Use compatability mode - per award bios pci_write_config32(dev, 0x10, 0x0); pci_write_config32(dev, 0x14, 0x0); pci_write_config32(dev, 0x18, 0x0); pci_write_config32(dev, 0x1c, 0x0); - + // Force interrupts to use compat mode - just like Award bios pci_write_config8(dev, 0x3d, 00); pci_write_config8(dev, 0x3c, 0xff); - } + } } static struct device_operations ide_ops = { |