diff options
Diffstat (limited to 'target/linux/ramips/files/arch/mips/pci')
| -rw-r--r-- | target/linux/ramips/files/arch/mips/pci/pci-rt288x.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/target/linux/ramips/files/arch/mips/pci/pci-rt288x.c b/target/linux/ramips/files/arch/mips/pci/pci-rt288x.c index 84a973545..475009cdd 100644 --- a/target/linux/ramips/files/arch/mips/pci/pci-rt288x.c +++ b/target/linux/ramips/files/arch/mips/pci/pci-rt288x.c @@ -146,29 +146,28 @@ static struct pci_controller rt2880_pci_controller = { .io_resource = &rt2880_pci_mem_resource, }; -static inline void read_config(unsigned long bus, unsigned long dev, - unsigned long func, unsigned long reg, - unsigned long *val) +static inline u32 rt2880_pci_read_u32(unsigned long reg) { - unsigned long address; unsigned long flags; + u32 address; + u32 ret; - address = rt2880_pci_get_cfgaddr(bus, dev, func, reg); + address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); spin_lock_irqsave(&rt2880_pci_lock, flags); rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); - *val = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); + ret = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); spin_unlock_irqrestore(&rt2880_pci_lock, flags); + + return ret; } -static inline void write_config(unsigned long bus, unsigned long dev, - unsigned long func, unsigned long reg, - unsigned long val) +static inline void rt2880_pci_write_u32(unsigned long reg, u32 val) { - unsigned long address; unsigned long flags; + u32 address; - address = rt2880_pci_get_cfgaddr(bus, dev, func, reg); + address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); spin_lock_irqsave(&rt2880_pci_lock, flags); rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); @@ -179,7 +178,6 @@ static inline void write_config(unsigned long bus, unsigned long dev, int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { u16 cmd; - unsigned long val; int irq = -1; if (dev->bus->number != 0) @@ -187,8 +185,8 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) switch (PCI_SLOT(dev->devfn)) { case 0x00: - write_config(0, 0, 0, PCI_BASE_ADDRESS_0, 0x08000000); - read_config(0, 0, 0, PCI_BASE_ADDRESS_0, &val); + rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); + (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); break; case 0x11: irq = RT288X_CPU_IRQ_PCI; @@ -214,7 +212,6 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static int __init rt2880_pci_init(void) { - unsigned long val = 0; int i; rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE); @@ -231,8 +228,9 @@ static int __init rt2880_pci_init(void) rt2880_pci_reg_write(0x00800001, RT2880_PCI_REG_CLASS); rt2880_pci_reg_write(0x28801814, RT2880_PCI_REG_SUBID); rt2880_pci_reg_write(0x000c0000, RT2880_PCI_REG_PCIMSK_ADDR); - write_config(0, 0, 0, PCI_BASE_ADDRESS_0, 0x08000000); - read_config(0, 0, 0, PCI_BASE_ADDRESS_0, &val); + + rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); + (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); register_pci_controller(&rt2880_pci_controller); return 0; |