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de3387654b
This commit adds support for different iterations of ESPRESSObin.
The added variants are:
ESPRESSObin with soldered eMMC,
ESPRESSObin V7, compared to V5 some passive elements changed and ethernet
ports labels positions have been reversed,
ESPRESSObin V7 with soldered eMMC.
Please refer to:
584d7c5 ("mvebu: new subtarget cortex A53")
for instruction how to boot OpenWrt image placed on SD card. It is
advised for owners of V5 and previous with bootloader based on U-Boot
2015.01, to upgrade the latest version available at:
http://espressobin.net/tech-spec.
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
59 lines
2.0 KiB
Diff
59 lines
2.0 KiB
Diff
From 3217cdfe8a3eae76fafbebbe407be5985a7fd4c2 Mon Sep 17 00:00:00 2001
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From: Tomasz Maciej Nowak <tmn505@gmail.com>
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Date: Mon, 31 Dec 2018 14:18:50 +0100
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Subject: [PATCH] arm64: dts: armada-3720-espressobin: correct spi node
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The manufacturer of this board, ships it with various SPI NOR chips and
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increments U-Boot bootloader version along the time. There is no way to
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tell which is placed on the board since no revision bump takes place.
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This creates two issues.
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The first, cosmetic. Since the SPI chip may differ, there's message on
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boot stating that kernel expected w25q32dw and found different one. To
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correct this, remove optional device-specific compatible string. Being
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here lets replace bogus "spi-flash" string with proper one.
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The second is linked to partitions layout, it changed after commit [1]
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in Marvells downstream U-Boot fork, shifting environment location to the
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end of boot device. Since the new boards can have U-Boot with this
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change it can lead to improper results writing or reading from these
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partitions. We can't tell if users will update bootloader to recent
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version, so let's drop current layout.
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1. https://github.com/MarvellEmbeddedProcessors/u-boot-marvell/commit/81e7251252aefe1a6b829ed05f3586320cb45372
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Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
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---
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.../dts/marvell/armada-3720-espressobin.dts | 18 +-----------------
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1 file changed, 1 insertion(+), 17 deletions(-)
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--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
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+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
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@@ -123,25 +123,9 @@
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flash@0 {
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reg = <0>;
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- compatible = "winbond,w25q32dw", "jedec,spi-flash";
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+ compatible = "jedec,spi-nor";
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spi-max-frequency = <104000000>;
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m25p,fast-read;
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-
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- partitions {
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- compatible = "fixed-partitions";
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- #address-cells = <1>;
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- #size-cells = <1>;
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-
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- partition@0 {
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- label = "uboot";
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- reg = <0 0x180000>;
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- };
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-
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- partition@180000 {
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- label = "ubootenv";
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- reg = <0x180000 0x10000>;
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- };
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- };
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};
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};
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