diff options
author | Eric Biederman <ebiederm@xmission.com> | 2004-11-18 22:38:08 +0000 |
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committer | Eric Biederman <ebiederm@xmission.com> | 2004-11-18 22:38:08 +0000 |
commit | a9e632c2ac29c60872e7e4f9314263b34ce5031d (patch) | |
tree | 2a76647833896d68306553c548a65743c87b417e /src/devices/pci_ops.c | |
parent | bec8acedf18b4d35f95b4a4c254eb925bd4d53bd (diff) |
- First stab at getting the ppc ports building and working.
- The sandpointx3+altimus has been consolidated into one directory for now.
- Added support for having different versions of the pci access functions
on a per bus basis if needed.
Hopefully I have not broken something inadvertently.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1786 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/devices/pci_ops.c')
-rw-r--r-- | src/devices/pci_ops.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/devices/pci_ops.c b/src/devices/pci_ops.c new file mode 100644 index 0000000000..441b328e0f --- /dev/null +++ b/src/devices/pci_ops.c @@ -0,0 +1,55 @@ +#include <console/console.h> +#include <arch/pciconf.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> + +static struct bus *get_pbus(device_t dev) +{ + struct bus *pbus = dev->bus; + while(pbus && pbus->dev && !ops_pci_bus(pbus)) { + pbus = pbus->dev->bus; + } + if (!pbus || !pbus->dev || !pbus->dev->ops || !pbus->dev->ops->ops_pci_bus) { + printk_alert("%s Cannot find pci bus operations", dev_path(dev)); + die(""); + for(;;); + } + return pbus; +} + +uint8_t pci_read_config8(device_t dev, unsigned where) +{ + struct bus *pbus = get_pbus(dev); + return ops_pci_bus(pbus)->read8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where); +} + +uint16_t pci_read_config16(device_t dev, unsigned where) +{ + struct bus *pbus = get_pbus(dev); + return ops_pci_bus(pbus)->read16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where); +} + +uint32_t pci_read_config32(device_t dev, unsigned where) +{ + struct bus *pbus = get_pbus(dev); + return ops_pci_bus(pbus)->read32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where); +} + +void pci_write_config8(device_t dev, unsigned where, uint8_t val) +{ + struct bus *pbus = get_pbus(dev); + ops_pci_bus(pbus)->write8(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val); +} + +void pci_write_config16(device_t dev, unsigned where, uint16_t val) +{ + struct bus *pbus = get_pbus(dev); + ops_pci_bus(pbus)->write16(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val); +} + +void pci_write_config32(device_t dev, unsigned where, uint32_t val) +{ + struct bus *pbus = get_pbus(dev); + ops_pci_bus(pbus)->write32(pbus, dev->bus->secondary, dev->path.u.pci.devfn, where, val); +} |