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ramips: add rt2880_pci_get_cfgaddr helper

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17973 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2009-10-07 11:37:07 +00:00
parent f00dfe552e
commit 1493a33c1b
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); 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, static void config_access(unsigned char access_type, struct pci_bus *bus,
unsigned int devfn, unsigned char where, u32 *data) unsigned int devfn, unsigned char where, u32 *data)
{ {
unsigned int slot = PCI_SLOT(devfn);
unsigned int address; unsigned int address;
u8 func = PCI_FUNC(devfn);
address = (bus->number << 16) | (slot << 11) | (func << 8) | address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn),
(where & 0xfc) | 0x80000000; PCI_FUNC(devfn), where);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR);
if (access_type == PCI_ACCESS_WRITE) 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 address;
unsigned long flags; unsigned long flags;
address = (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | address = rt2880_pci_get_cfgaddr(bus, dev, func, reg);
0x80000000;
spin_lock_irqsave(&rt2880_pci_lock, flags); spin_lock_irqsave(&rt2880_pci_lock, flags);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); 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 address;
unsigned long flags; unsigned long flags;
address = (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | address = rt2880_pci_get_cfgaddr(bus, dev, func, reg);
0x80000000;
spin_lock_irqsave(&rt2880_pci_lock, flags); spin_lock_irqsave(&rt2880_pci_lock, flags);
rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR);