[PATCH] arm-versatile iomem annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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fc048b5b0f
Коммит
399ad77b90
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@ -188,12 +188,12 @@ static struct map_desc versatile_io_desc[] __initdata = {
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.length = SZ_4K,
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.type = MT_DEVICE
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}, {
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.virtual = VERSATILE_PCI_VIRT_BASE,
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.virtual = (unsigned long)VERSATILE_PCI_VIRT_BASE,
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.pfn = __phys_to_pfn(VERSATILE_PCI_BASE),
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.length = VERSATILE_PCI_BASE_SIZE,
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.type = MT_DEVICE
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}, {
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.virtual = VERSATILE_PCI_CFG_VIRT_BASE,
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.virtual = (unsigned long)VERSATILE_PCI_CFG_VIRT_BASE,
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.pfn = __phys_to_pfn(VERSATILE_PCI_CFG_BASE),
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.length = VERSATILE_PCI_CFG_BASE_SIZE,
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.type = MT_DEVICE
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@ -40,14 +40,15 @@
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* Cfg 42000000 - 42FFFFFF PCI config
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*
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*/
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#define SYS_PCICTL IO_ADDRESS(VERSATILE_SYS_PCICTL)
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#define PCI_IMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0)
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#define PCI_IMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4)
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#define PCI_IMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8)
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#define PCI_SMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10)
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#define PCI_SMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
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#define PCI_SMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
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#define PCI_SELFID IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc)
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#define __IO_ADDRESS(n) ((void __iomem *)(unsigned long)IO_ADDRESS(n))
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#define SYS_PCICTL __IO_ADDRESS(VERSATILE_SYS_PCICTL)
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#define PCI_IMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0)
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#define PCI_IMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4)
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#define PCI_IMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8)
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#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10)
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#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
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#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
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#define PCI_SELFID __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc)
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#define DEVICE_ID_OFFSET 0x00
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#define CSR_OFFSET 0x04
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@ -76,7 +77,7 @@ static int __init versatile_pci_slot_ignore(char *str)
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__setup("pci_slot_ignore=", versatile_pci_slot_ignore);
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static unsigned long __pci_addr(struct pci_bus *bus,
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static void __iomem *__pci_addr(struct pci_bus *bus,
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unsigned int devfn, int offset)
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{
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unsigned int busnr = bus->number;
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@ -91,14 +92,14 @@ static unsigned long __pci_addr(struct pci_bus *bus,
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if (devfn > 255)
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BUG();
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return (VERSATILE_PCI_CFG_VIRT_BASE | (busnr << 16) |
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return VERSATILE_PCI_CFG_VIRT_BASE + ((busnr << 16) |
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(PCI_SLOT(devfn) << 11) | (PCI_FUNC(devfn) << 8) | offset);
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}
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static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int where,
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int size, u32 *val)
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{
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unsigned long addr = __pci_addr(bus, devfn, where);
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void __iomem *addr = __pci_addr(bus, devfn, where & ~3);
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u32 v;
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int slot = PCI_SLOT(devfn);
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@ -121,13 +122,12 @@ static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int wh
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break;
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case 2:
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v = __raw_readl(addr & ~3);
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if (addr & 2) v >>= 16;
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v = __raw_readl(addr);
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if (where & 2) v >>= 16;
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v &= 0xffff;
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break;
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default:
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addr &= ~3;
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v = __raw_readl(addr);
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break;
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}
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@ -140,7 +140,7 @@ static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int wh
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static int versatile_write_config(struct pci_bus *bus, unsigned int devfn, int where,
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int size, u32 val)
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{
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unsigned long addr = __pci_addr(bus, devfn, where);
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void __iomem *addr = __pci_addr(bus, devfn, where);
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int slot = PCI_SLOT(devfn);
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if (pci_slot_ignore & (1 << slot)) {
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@ -279,7 +279,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
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printk("PCI core found (slot %d)\n",myslot);
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__raw_writel(myslot, PCI_SELFID);
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local_pci_cfg_base = (void *) VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11);
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local_pci_cfg_base = VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11);
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val = __raw_readl(local_pci_cfg_base + CSR_OFFSET);
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val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE;
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@ -28,8 +28,8 @@
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/*
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* PCI space virtual addresses
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*/
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#define VERSATILE_PCI_VIRT_BASE 0xe8000000
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#define VERSATILE_PCI_CFG_VIRT_BASE 0xe9000000
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#define VERSATILE_PCI_VIRT_BASE (void __iomem *)0xe8000000ul
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#define VERSATILE_PCI_CFG_VIRT_BASE (void __iomem *)0xe9000000ul
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#if 0
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#define VERSATILE_PCI_VIRT_MEM_BASE0 0xf4000000
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