diff options
Diffstat (limited to 'arch/arm/mach-versatile/pci.c')
| -rw-r--r-- | arch/arm/mach-versatile/pci.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index 13bbd08ff84..5cd0b5d9e7e 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -40,14 +40,15 @@ * Cfg 42000000 - 42FFFFFF PCI config * */ -#define SYS_PCICTL IO_ADDRESS(VERSATILE_SYS_PCICTL) -#define PCI_IMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0) -#define PCI_IMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4) -#define PCI_IMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8) -#define PCI_SMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10) -#define PCI_SMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14) -#define PCI_SMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18) -#define PCI_SELFID IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc) +#define __IO_ADDRESS(n) ((void __iomem *)(unsigned long)IO_ADDRESS(n)) +#define SYS_PCICTL __IO_ADDRESS(VERSATILE_SYS_PCICTL) +#define PCI_IMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0) +#define PCI_IMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4) +#define PCI_IMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8) +#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10) +#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14) +#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18) +#define PCI_SELFID __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc) #define DEVICE_ID_OFFSET 0x00 #define CSR_OFFSET 0x04 @@ -76,7 +77,7 @@ static int __init versatile_pci_slot_ignore(char *str) __setup("pci_slot_ignore=", versatile_pci_slot_ignore); -static unsigned long __pci_addr(struct pci_bus *bus, +static void __iomem *__pci_addr(struct pci_bus *bus, unsigned int devfn, int offset) { unsigned int busnr = bus->number; @@ -91,14 +92,14 @@ static unsigned long __pci_addr(struct pci_bus *bus, if (devfn > 255) BUG(); - return (VERSATILE_PCI_CFG_VIRT_BASE | (busnr << 16) | + return VERSATILE_PCI_CFG_VIRT_BASE + ((busnr << 16) | (PCI_SLOT(devfn) << 11) | (PCI_FUNC(devfn) << 8) | offset); } static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) { - unsigned long addr = __pci_addr(bus, devfn, where); + void __iomem *addr = __pci_addr(bus, devfn, where & ~3); u32 v; int slot = PCI_SLOT(devfn); @@ -121,13 +122,12 @@ static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int wh break; case 2: - v = __raw_readl(addr & ~3); - if (addr & 2) v >>= 16; + v = __raw_readl(addr); + if (where & 2) v >>= 16; v &= 0xffff; break; default: - addr &= ~3; v = __raw_readl(addr); break; } @@ -140,7 +140,7 @@ static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int wh static int versatile_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { - unsigned long addr = __pci_addr(bus, devfn, where); + void __iomem *addr = __pci_addr(bus, devfn, where); int slot = PCI_SLOT(devfn); if (pci_slot_ignore & (1 << slot)) { @@ -279,7 +279,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) printk("PCI core found (slot %d)\n",myslot); __raw_writel(myslot, PCI_SELFID); - local_pci_cfg_base = (void *) VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11); + local_pci_cfg_base = VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11); val = __raw_readl(local_pci_cfg_base + CSR_OFFSET); val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE; |