* [PATCH 0/2] ARM: dts: aspeed: Add XDMA to Rainier
@ 2020-03-30 4:47 Joel Stanley
2020-03-30 4:47 ` [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region Joel Stanley
2020-03-30 4:47 ` [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA Joel Stanley
0 siblings, 2 replies; 5+ messages in thread
From: Joel Stanley @ 2020-03-30 4:47 UTC (permalink / raw)
To: Eddie James, openbmc
Joel Stanley (2):
ARM: dts: aspeed: rainier: Add VGA reserved memory region
ARM: dts: aspeed: raininer: Enable XDMA
arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
--
2.25.1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region
2020-03-30 4:47 [PATCH 0/2] ARM: dts: aspeed: Add XDMA to Rainier Joel Stanley
@ 2020-03-30 4:47 ` Joel Stanley
2020-03-30 14:21 ` Eddie James
2020-03-30 4:47 ` [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA Joel Stanley
1 sibling, 1 reply; 5+ messages in thread
From: Joel Stanley @ 2020-03-30 4:47 UTC (permalink / raw)
To: Eddie James, openbmc
The BMC uses reserves the top 16MB of memory for the host to use for VGA
or PCIe communication.
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 4920ee384078..708924fe42cb 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -33,6 +33,11 @@
no-map;
reg = <0xB8000000 0x04000000>; /* 64M */
};
+
+ vga_memory: region@bf000000 {
+ no-map;
+ reg = <0xbf000000 0x01000000>; /* 16M */
+ };
};
gpio-keys {
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA
2020-03-30 4:47 [PATCH 0/2] ARM: dts: aspeed: Add XDMA to Rainier Joel Stanley
2020-03-30 4:47 ` [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region Joel Stanley
@ 2020-03-30 4:47 ` Joel Stanley
2020-03-30 14:22 ` Eddie James
1 sibling, 1 reply; 5+ messages in thread
From: Joel Stanley @ 2020-03-30 4:47 UTC (permalink / raw)
To: Eddie James, openbmc
The XDMA device uses the VGA reserved memory region.
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 708924fe42cb..a8095aa88dbe 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -748,3 +748,8 @@
spi-max-frequency = <100000000>;
};
};
+
+&xdma {
+ status = "okay";
+ memory-region = <&vga_memory>;
+};
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region
2020-03-30 4:47 ` [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region Joel Stanley
@ 2020-03-30 14:21 ` Eddie James
0 siblings, 0 replies; 5+ messages in thread
From: Eddie James @ 2020-03-30 14:21 UTC (permalink / raw)
To: Joel Stanley, openbmc
On 3/29/20 11:47 PM, Joel Stanley wrote:
> The BMC uses reserves the top 16MB of memory for the host to use for VGA
> or PCIe communication.
Reviewed-by: Eddie James <eajames@linux.ibm.com>
>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
> arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> index 4920ee384078..708924fe42cb 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> @@ -33,6 +33,11 @@
> no-map;
> reg = <0xB8000000 0x04000000>; /* 64M */
> };
> +
> + vga_memory: region@bf000000 {
> + no-map;
> + reg = <0xbf000000 0x01000000>; /* 16M */
> + };
> };
>
> gpio-keys {
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA
2020-03-30 4:47 ` [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA Joel Stanley
@ 2020-03-30 14:22 ` Eddie James
0 siblings, 0 replies; 5+ messages in thread
From: Eddie James @ 2020-03-30 14:22 UTC (permalink / raw)
To: Joel Stanley, openbmc
On 3/29/20 11:47 PM, Joel Stanley wrote:
> The XDMA device uses the VGA reserved memory region.
Reviewed-by: Eddie James <eajames@linux.ibm.com>
>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
> arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> index 708924fe42cb..a8095aa88dbe 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> @@ -748,3 +748,8 @@
> spi-max-frequency = <100000000>;
> };
> };
> +
> +&xdma {
> + status = "okay";
> + memory-region = <&vga_memory>;
> +};
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-03-30 14:22 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-30 4:47 [PATCH 0/2] ARM: dts: aspeed: Add XDMA to Rainier Joel Stanley
2020-03-30 4:47 ` [PATCH 1/2] ARM: dts: aspeed: rainier: Add VGA reserved memory region Joel Stanley
2020-03-30 14:21 ` Eddie James
2020-03-30 4:47 ` [PATCH 2/2] ARM: dts: aspeed: raininer: Enable XDMA Joel Stanley
2020-03-30 14:22 ` Eddie James
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