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ARM: integrator: remap PCIv3 base dynamically

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Remove the static mapping for the PCIv3 PCI bridge controller
and do this dynamically when probing instead.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-03-16 21:51:02 +01:00
parent 207bcf4519
commit a5ecbab7d9
3 changed files with 14 additions and 13 deletions
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1
arch/arm/mach-integrator/include/mach/platform.h
View file

@ -325,7 +325,6 @@
#define PCI_MEMORY_VADDR IOMEM(0xe8000000)
#define PCI_CONFIG_VADDR IOMEM(0xec000000)
#define PCI_V3_VADDR IOMEM(0xed000000)
/* ------------------------------------------------------------------------
* Integrator Interrupt Controllers

6
arch/arm/mach-integrator/integrator_ap.c
View file

@ -80,7 +80,6 @@ void __iomem *ap_syscon_base;
* Logical Physical
* e8000000 40000000 PCI memory PHYS_PCI_MEM_BASE (max 512M)
* ec000000 61000000 PCI config space PHYS_PCI_CONFIG_BASE (max 16M)
* ed000000 62000000 PCI V3 regs PHYS_PCI_V3_BASE (max 64k)
* fee00000 60000000 PCI IO PHYS_PCI_IO_BASE (max 16M)
* ef000000 Cache flush
* f1000000 10000000 Core module registers
@ -140,11 +139,6 @@ static struct map_desc ap_io_desc[] __initdata __maybe_unused = {
.pfn = __phys_to_pfn(PHYS_PCI_CONFIG_BASE),
.length = SZ_16M,
.type = MT_DEVICE
}, {
.virtual = (unsigned long)PCI_V3_VADDR,
.pfn = __phys_to_pfn(PHYS_PCI_V3_BASE),
.length = SZ_64K,
.type = MT_DEVICE
}
};

20
arch/arm/mach-integrator/pci_v3.c
View file

@ -260,15 +260,17 @@
* the mappings into PCI memory.
*/
static void __iomem *pci_v3_base;
// V3 access routines
#define v3_writeb(o,v) __raw_writeb(v, PCI_V3_VADDR + (unsigned int)(o))
#define v3_readb(o) (__raw_readb(PCI_V3_VADDR + (unsigned int)(o)))
#define v3_writeb(o,v) __raw_writeb(v, pci_v3_base + (unsigned int)(o))
#define v3_readb(o) (__raw_readb(pci_v3_base + (unsigned int)(o)))
#define v3_writew(o,v) __raw_writew(v, PCI_V3_VADDR + (unsigned int)(o))
#define v3_readw(o) (__raw_readw(PCI_V3_VADDR + (unsigned int)(o)))
#define v3_writew(o,v) __raw_writew(v, pci_v3_base + (unsigned int)(o))
#define v3_readw(o) (__raw_readw(pci_v3_base + (unsigned int)(o)))
#define v3_writel(o,v) __raw_writel(v, PCI_V3_VADDR + (unsigned int)(o))
#define v3_readl(o) (__raw_readl(PCI_V3_VADDR + (unsigned int)(o)))
#define v3_writel(o,v) __raw_writel(v, pci_v3_base + (unsigned int)(o))
#define v3_readl(o) (__raw_readl(pci_v3_base + (unsigned int)(o)))
/*============================================================================
*
@ -835,6 +837,12 @@ static int __init pci_v3_probe(struct platform_device *pdev)
return -ENODEV;
}
pci_v3_base = devm_ioremap(&pdev->dev, PHYS_PCI_V3_BASE, SZ_64K);
if (!pci_v3_base) {
dev_err(&pdev->dev, "unable to remap PCIv3 base\n");
return -ENODEV;
}
ret = devm_request_irq(&pdev->dev, IRQ_AP_V3INT, v3_irq, 0, "V3", NULL);
if (ret) {
dev_err(&pdev->dev, "unable to grab PCI error interrupt: %d\n",