diff options
author | Yinghai Lu <yinghailu@gmail.com> | 2005-07-08 02:49:49 +0000 |
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committer | Yinghai Lu <yinghailu@gmail.com> | 2005-07-08 02:49:49 +0000 |
commit | 13f1c2af8be2cd7f7e99a678f5d428a65b771811 (patch) | |
tree | 27cad5581f1fa150f573149d48e82f70ba1b1d9f /src/southbridge/intel/esb6300/esb6300_ide.c | |
parent | 14cde9e96a777f9d75016a13b23fab0480515f58 (diff) |
eric patch
1. x86_setup_mtrr take address bit.
2. generic ht, pcix, pcie beidge...
3. scan bus and reset_bus
4. ht read ctrl to decide if the ht chain
is ready
5. Intel e7520 and e7525 support
6. new ich5r support
7. intel sb 6300 support.
yhlu patch
1. split x86_setup_mtrrs to fixed and var
2. if (resource->flags & IORESOURCE_FIXED ) return; in device.c pick_largest_resource
3. in_conherent.c K8_SCAN_PCI_BUS
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1982 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/intel/esb6300/esb6300_ide.c')
-rw-r--r-- | src/southbridge/intel/esb6300/esb6300_ide.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/southbridge/intel/esb6300/esb6300_ide.c b/src/southbridge/intel/esb6300/esb6300_ide.c new file mode 100644 index 0000000000..bb77ad7726 --- /dev/null +++ b/src/southbridge/intel/esb6300/esb6300_ide.c @@ -0,0 +1,56 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "esb6300.h" + +static void ide_init(struct device *dev) +{ + + /* Enable ide devices so the linux ide driver will work */ + uint16_t word; + + /* Enable IDE devices */ + pci_write_config16(dev, 0x40, 0x0a307); + pci_write_config16(dev, 0x42, 0x0a307); + pci_write_config8(dev, 0x48, 0x05); + pci_write_config16(dev, 0x4a, 0x0101); + pci_write_config16(dev, 0x54, 0x5055); + +#if 0 + word = pci_read_config16(dev, 0x40); + word |= (1 << 15); + pci_write_config16(dev, 0x40, word); + word = pci_read_config16(dev, 0x42); + word |= (1 << 15); + pci_write_config16(dev, 0x42, word); +#endif + printk_debug("IDE Enabled\n"); +} + +static void esb6300_ide_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + /* This value is also visible in uchi[0-2] and smbus functions */ + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct pci_operations lops_pci = { + .set_subsystem = esb6300_ide_set_subsystem, +}; +static struct device_operations ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = ide_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_6300ESB_IDE, +}; + |