Hi,
On 23/06/2015 10:44, David Vrabel wrote:
On 23/06/15 00:02, Chris (Christopher) Brand wrote:
I’ve been trying to figure out why Xen only reports 2GB on my ARM
platform that actually has 3GB, and I think I’ve found a bug, but I’m
not familiar enough with the Xen code to fix it.
The relevant parts of my dts are:
/dts-v1/;
/ {
model = "Broadcom STB (7445d0)";
compatible = "brcm,bcm7445d0", "brcm,brcmstb";
#address-cells = <0x2>;
#size-cells = <0x2>;
interrupt-parent = <0x1>;
memory {
#address-cells = <0x1>;
#size-cells = <0x1>;
device_type = "memory";
reg = <0x0 0x0 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>;
It's been a while since I've looked at device tree stuff but I think you
need 64-bit values for this reg property because the parent node has
#address-cells == 0x2 and #size-cells == 0x2.
I think they are already on 64-bit values, otherwise you would have a
bank starting at 0 of a size 0 which seems odd.
Anyway, the format of this memory node is not supported on Xen and I
wasn't able to find a bindings somewhere. Will extend my point by
answering to his mail.
Cheers,
--
Julien Grall
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