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ARC: nSIM: switch from ARC UART to DW UART

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Since v2019.06 DesingWare nSIM supports DesignWare UART simulation
and so we may switch from pretty unusual ARC UART to much more standard
DesignWare UART (which in case of U-Boot is just an ordinary 16650 UART).

This among other things makes built dinaries compatible with our other
platforms to name a few: FPGA-based HAPS boards, QEMU and even ZeBU.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin
2019-12-26 13:46:27 +03:00
parent 26d4d77035
commit 9515e41d38
5 changed files with 23 additions and 21 deletions
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12
arch/arc/dts/nsim.dts
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@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
* Copyright (C) 2015-2016, 2020 Synopsys, Inc. (www.synopsys.com)
*/
/dts-v1/;
@@ -10,7 +10,7 @@
model = "snps,nsim";
aliases {
console = &arcuart0;
console = &uart0;
};
cpu_card {
@@ -22,9 +22,11 @@
};
};
arcuart0: serial@0xc0fc1000 {
compatible = "snps,arc-uart";
reg = <0xc0fc1000 0x100>;
uart0: serial@f0000000 {
compatible = "snps,dw-apb-uart";
reg = <0xf0000000 0x1000>;
reg-shift = <2>;
reg-io-width = <4>;
clock-frequency = <70000000>;
};