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arm: a37xx: pci: Increase PCIe MEM size from 16 MiB to 127 MiB

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For some configurations with more PCIe cards and PCIe bridges, 16 MiB of
PCIe MEM space may not be enough. Since TF-A already allocates a 128 MiB
CPU window for PCIe, and since IO port space is only 64 KiB in total,
use all the remaining space (64 + 32 + 16 + 8 + 4 + 2 + 1 = 127 MiB) for
PCIe MEM.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2021-05-26 17:59:39 +02:00 committed by Stefan Roese
parent 4a82fca8e3
commit 079b35a261
1 changed files with 10 additions and 3 deletions
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13
arch/arm/dts/armada-37xx.dtsi
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@ -332,10 +332,17 @@
status = "disabled";
bus-range = <0 0xff>;
/*
* The 128 MiB address range [0xe8000000-0xf0000000] is
* dedicated for PCIe and can be assigned to 8 windows
* with size a power of two. Use one 64 KiB window for
* IO at the end and the remaining seven windows
* (totaling 127 MiB) for MEM.
*/
ranges = <0x82000000 0 0xe8000000
0 0xe8000000 0 0x1000000 /* Port 0 MEM */
0x81000000 0 0xe9000000
0 0xe9000000 0 0x10000>; /* Port 0 IO*/
0 0xe8000000 0 0x7f00000 /* Port 0 MEM */
0x81000000 0 0xefff0000
0 0xefff0000 0 0x10000>; /* Port 0 IO*/
};
};
};