diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci_sh7751.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/pci/pci_sh7751.c b/drivers/pci/pci_sh7751.c index e110550..d514c04 100644 --- a/drivers/pci/pci_sh7751.c +++ b/drivers/pci/pci_sh7751.c @@ -74,33 +74,13 @@ #define p4_in(addr) (*addr) #define p4_out(data, addr) (*addr) = (data) -static int sh7751_pci_addr_valid(pci_dev_t d, uint offset) -{ - if (PCI_FUNC(d)) - return -EINVAL; - - return 0; -} - -static u32 get_bus_address(const struct udevice *dev, pci_dev_t bdf, u32 offset) -{ - return BIT(31) | (PCI_DEV(bdf) << 8) | (offset & ~3); -} - static int sh7751_pci_read_config(const struct udevice *dev, pci_dev_t bdf, uint offset, ulong *value, enum pci_size_t size) { u32 addr, reg; - int ret; - ret = sh7751_pci_addr_valid(bdf, offset); - if (ret) { - *value = pci_get_ff(size); - return 0; - } - - addr = get_bus_address(dev, bdf, offset); + addr = PCI_CONF1_ADDRESS(PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf), offset); p4_out(addr, SH7751_PCIPAR); reg = p4_in(SH7751_PCIPDR); *value = pci_conv_32_to_size(reg, offset, size); @@ -113,13 +93,8 @@ static int sh7751_pci_write_config(struct udevice *dev, pci_dev_t bdf, enum pci_size_t size) { u32 addr, reg, old; - int ret; - - ret = sh7751_pci_addr_valid(bdf, offset); - if (ret) - return ret; - addr = get_bus_address(dev, bdf, offset); + addr = PCI_CONF1_ADDRESS(PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf), offset); p4_out(addr, SH7751_PCIPAR); old = p4_in(SH7751_PCIPDR); reg = pci_conv_size_to_32(old, value, offset, size); |