parent
4674fd1eae
commit
6ceea98b0a
@ -1,19 +0,0 @@ |
||||
|
||||
#ifdef CONFIG_PCI |
||||
|
||||
#define RT2880_PCI_SLOT1_BASE 0x20000000 |
||||
#define RALINK_PCI_BASE 0xA0440000 |
||||
#define RT2880_PCI_PCICFG_ADDR ((unsigned long*)(RALINK_PCI_BASE + 0x0000)) |
||||
#define RT2880_PCI_ARBCTL ((unsigned long*)(RALINK_PCI_BASE + 0x0080)) |
||||
#define RT2880_PCI_BAR0SETUP_ADDR ((unsigned long*)(RALINK_PCI_BASE + 0x0010)) |
||||
#define RT2880_PCI_CONFIG_ADDR ((unsigned long*)(RALINK_PCI_BASE + 0x0020)) |
||||
#define RT2880_PCI_CONFIG_DATA ((unsigned long*)(RALINK_PCI_BASE + 0x0024)) |
||||
#define RT2880_PCI_MEMBASE ((unsigned long*)(RALINK_PCI_BASE + 0x0028)) |
||||
#define RT2880_PCI_IOBASE ((unsigned long*)(RALINK_PCI_BASE + 0x002C)) |
||||
#define RT2880_PCI_IMBASEBAR0_ADDR ((unsigned long*)(RALINK_PCI_BASE + 0x0018)) |
||||
#define RT2880_PCI_ID ((unsigned long*)(RALINK_PCI_BASE + 0x0030)) |
||||
#define RT2880_PCI_CLASS ((unsigned long*)(RALINK_PCI_BASE + 0x0034)) |
||||
#define RT2880_PCI_SUBID ((unsigned long*)(RALINK_PCI_BASE + 0x0038)) |
||||
#define RT2880_PCI_PCIMSK_ADDR ((unsigned long*)(RALINK_PCI_BASE + 0x000C)) |
||||
|
||||
#endif |
@ -1,62 +0,0 @@ |
||||
#include <linux/types.h> |
||||
#include <linux/pci.h> |
||||
#include <linux/io.h> |
||||
|
||||
#include <asm/mach-ralink/rt288x.h> |
||||
#include <asm/mach-ralink/rt288x_pci.h> |
||||
|
||||
#define PCI_ACCESS_READ 0 |
||||
#define PCI_ACCESS_WRITE 1 |
||||
|
||||
static int 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; |
||||
writel(address, RT2880_PCI_CONFIG_ADDR); |
||||
if (access_type == PCI_ACCESS_WRITE) |
||||
writel(*data, RT2880_PCI_CONFIG_DATA); |
||||
else |
||||
*data = readl(RT2880_PCI_CONFIG_DATA); |
||||
return 0; |
||||
} |
||||
|
||||
int |
||||
pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) |
||||
{ |
||||
u32 data = 0; |
||||
if(config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) |
||||
return PCIBIOS_DEVICE_NOT_FOUND; |
||||
if(size == 1) |
||||
*val = (data >> ((where & 3) << 3)) & 0xff; |
||||
else if(size == 2) |
||||
*val = (data >> ((where & 3) << 3)) & 0xffff; |
||||
else |
||||
*val = data; |
||||
return PCIBIOS_SUCCESSFUL; |
||||
} |
||||
|
||||
int |
||||
pci_config_write(struct pci_bus *bus, unsigned int devfn, |
||||
int where, int size, u32 val) |
||||
{ |
||||
u32 data = 0; |
||||
if(size == 4) |
||||
{ |
||||
data = val; |
||||
} else { |
||||
if(config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) |
||||
return PCIBIOS_DEVICE_NOT_FOUND; |
||||
if(size == 1) |
||||
data = (data & ~(0xff << ((where & 3) << 3))) | |
||||
(val << ((where & 3) << 3)); |
||||
else if(size == 2) |
||||
data = (data & ~(0xffff << ((where & 3) << 3))) | |
||||
(val << ((where & 3) << 3)); |
||||
} |
||||
if(config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) |
||||
return PCIBIOS_DEVICE_NOT_FOUND; |
||||
return PCIBIOS_SUCCESSFUL; |
||||
} |
Loading…
Reference in new issue