Commit fbf4e262 authored by Kevin Cernekee's avatar Kevin Cernekee Committed by Florian Fainelli

bus: brcmstb_gisb: Honor the "big-endian" and "native-endian" DT properties

On chips strapped for BE, we'll need to use ioread32be/iowrite32be instead of
ioread32/iowrite32.
Signed-off-by: default avatarKevin Cernekee <cernekee@gmail.com>
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent 7dc95b40
......@@ -91,6 +91,7 @@ static const int gisb_offsets_bcm7445[] = {
struct brcmstb_gisb_arb_device {
void __iomem *base;
const int *gisb_offsets;
bool big_endian;
struct mutex lock;
struct list_head next;
u32 valid_mask;
......@@ -108,6 +109,9 @@ static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg)
if (offset == -1)
return 1;
if (gdev->big_endian)
return ioread32be(gdev->base + offset);
else
return ioread32(gdev->base + offset);
}
......@@ -117,6 +121,10 @@ static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg)
if (offset == -1)
return;
if (gdev->big_endian)
iowrite32be(val, gdev->base + reg);
else
iowrite32(val, gdev->base + reg);
}
......@@ -296,6 +304,7 @@ static int __init brcmstb_gisb_arb_probe(struct platform_device *pdev)
return -EINVAL;
}
gdev->gisb_offsets = of_id->data;
gdev->big_endian = of_device_is_big_endian(dn);
err = devm_request_irq(&pdev->dev, timeout_irq,
brcmstb_gisb_timeout_handler, 0, pdev->name,
......
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