diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-03-16 20:51:02 (GMT) |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-03 06:04:39 (GMT) |
| commit | a5ecbab7d9b606bdfbec67ccda0fde0f82e1e70e (patch) | |
| tree | 7decba401fec83ec57759db7d069b41ff26cd981 /arch/arm | |
| parent | 207bcf45193bd6b847373246b37a3b673b1c81ca (diff) | |
| download | linux-fsl-qoriq-a5ecbab7d9b606bdfbec67ccda0fde0f82e1e70e.tar.xz | |
ARM: integrator: remap PCIv3 base dynamically
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-integrator/include/mach/platform.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/pci_v3.c | 20 |
3 files changed, 14 insertions, 13 deletions
diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h index be5859e..62fa119 100644 --- a/arch/arm/mach-integrator/include/mach/platform.h +++ b/arch/arm/mach-integrator/include/mach/platform.h @@ -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 diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 0fff21c..8db3799 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -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 } }; diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index 604064b..9dd7125 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -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", |