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ramips: add rt2880_pci_get_cfgaddr helper

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SVN-Revision: 17973
This commit is contained in:
Gabor Juhos 2009-10-07 11:37:07 +00:00
parent fe360a232b
commit f2470f7590
1 changed files with 11 additions and 8 deletions
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19
target/linux/ramips/files/arch/mips/pci/pci-rt288x.c
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@ -53,15 +53,20 @@ static void rt2880_pci_reg_write(u32 val, u32 reg)
writel(val, rt2880_pci_base + reg);
}
static inline u32 rt2880_pci_get_cfgaddr(unsigned int bus, unsigned int slot,
unsigned int func, unsigned int where)
{
return ((bus << 16) | (slot << 11) | (func << 8) | (where & 0xfc) |
0x80000000);
}
static void config_access(unsigned char access_type, struct pci_bus *bus,
unsigned int devfn, unsigned char where, u32 *data)
{
unsigned int slot = PCI_SLOT(devfn);
unsigned int address;
u8 func = PCI_FUNC(devfn);
address = (bus->number << 16) | (slot << 11) | (func << 8) |
(where & 0xfc) | 0x80000000;
address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR);
if (access_type == PCI_ACCESS_WRITE)
@ -157,8 +162,7 @@ static inline void read_config(unsigned long bus, unsigned long dev,
unsigned long address;
unsigned long flags;
address = (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) |
0x80000000;
address = rt2880_pci_get_cfgaddr(bus, dev, func, reg);
spin_lock_irqsave(&rt2880_pci_lock, flags);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR);
@ -173,8 +177,7 @@ static inline void write_config(unsigned long bus, unsigned long dev,
unsigned long address;
unsigned long flags;
address = (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) |
0x80000000;
address = rt2880_pci_get_cfgaddr(bus, dev, func, reg);
spin_lock_irqsave(&rt2880_pci_lock, flags);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR);