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uboot-mvebu: add support for espressobin 

This builds two u-boot binaries: one for boards without eMMC and one
with.

Signed-off-by: Andre Heider <a.heider@gmail.com>
master
Andre Heider 2019-11-02 13:14:08 +01:00 committed by Hauke Mehrtens
parent ae2e521b34
commit 72bb66caad
6 changed files with 663 additions and 0 deletions
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17
package/boot/uboot-mvebu/Makefile
View File

@ -36,6 +36,21 @@ define U-Boot/helios4
UBOOT_IMAGE:=u-boot-spl.kwb
endef
define U-Boot/espressobin
NAME:=Marvell ESPRESSObin
BUILD_DEVICES:=globalscale_espressobin globalscale_espressobin-v7
BUILD_SUBTARGET:=cortexa53
UBOOT_CONFIG:=mvebu_espressobin-88f3720
endef
define U-Boot/espressobin-emmc
NAME:=Marvell ESPRESSObin
BUILD_DEVICES:=globalscale_espressobin-emmc globalscale_espressobin-v7-emmc
BUILD_SUBTARGET:=cortexa53
UBOOT_CONFIG:=mvebu_espressobin-88f3720
UBOOT_MAKE_FLAGS+=DEVICE_TREE=armada-3720-espressobin-emmc
endef
define U-Boot/uDPU
NAME:=Methode uDPU
BUILD_DEVICES:=methode_udpu
@ -45,6 +60,8 @@ endef
UBOOT_TARGETS:= \
clearfog \
helios4 \
espressobin \
espressobin-emmc \
uDPU
Build/Exports:=$(Host/Exports)

43
package/boot/uboot-mvebu/patches/130-mmc-xenon_sdhci-Add-missing-common-host-capabilities.patch Normal file
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@ -0,0 +1,43 @@
From 264c45575ec6a3d507dc4e43954b8a78283aca6c Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Thu, 10 Sep 2020 17:58:43 +0200
Subject: [PATCH] mmc: xenon_sdhci: Add missing common host capabilities
Use mmc_of_parse() to set the common host properties. That includes
"bus-width", so parsing it can be removed from the driver.
But more importantly, "non-removable" is now respected, which fixes
the usage of eMMC.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
drivers/mmc/xenon_sdhci.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
--- a/drivers/mmc/xenon_sdhci.c
+++ b/drivers/mmc/xenon_sdhci.c
@@ -485,20 +485,10 @@ static int xenon_sdhci_probe(struct udev
armada_3700_soc_pad_voltage_set(host);
host->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_DDR_52MHz;
- switch (fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "bus-width",
- 1)) {
- case 8:
- host->host_caps |= MMC_MODE_8BIT;
- break;
- case 4:
- host->host_caps |= MMC_MODE_4BIT;
- break;
- case 1:
- break;
- default:
- printf("Invalid \"bus-width\" value\n");
- return -EINVAL;
- }
+
+ ret = mmc_of_parse(dev, &plat->cfg);
+ if (ret)
+ return ret;
host->ops = &xenon_sdhci_ops;

45
package/boot/uboot-mvebu/patches/131-arm64-dts-armada-3720-espressobin-use-Linux-model-co.patch Normal file
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@ -0,0 +1,45 @@
From 753947e2c374820dcbc9c86626812aeb7d460653 Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Fri, 4 Sep 2020 16:34:22 +0200
Subject: [PATCH] arm64: dts: armada-3720-espressobin: use Linux
model/compatible strings
Fix the actual board vendor and ease synching dts files from Linux.
---
arch/arm/dts/armada-3720-espressobin.dts | 4 ++--
board/Marvell/mvebu_armada-37xx/board.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
--- a/arch/arm/dts/armada-3720-espressobin.dts
+++ b/arch/arm/dts/armada-3720-espressobin.dts
@@ -50,8 +50,8 @@
#include "armada-372x.dtsi"
/ {
- model = "Marvell Armada 3720 Community Board ESPRESSOBin";
- compatible = "marvell,armada-3720-espressobin", "marvell,armada3720", "marvell,armada3710";
+ model = "Globalscale Marvell ESPRESSOBin Board";
+ compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
chosen {
stdout-path = "serial0:115200n8";
--- a/board/Marvell/mvebu_armada-37xx/board.c
+++ b/board/Marvell/mvebu_armada-37xx/board.c
@@ -201,7 +201,7 @@ static int mii_multi_chip_mode_write(str
/* Bring-up board-specific network stuff */
int board_network_enable(struct mii_dev *bus)
{
- if (!of_machine_is_compatible("marvell,armada-3720-espressobin"))
+ if (!of_machine_is_compatible("globalscale,espressobin"))
return 0;
/*
@@ -253,7 +253,7 @@ int ft_board_setup(void *blob, struct bd
int part_off;
/* Fill SPI MTD partitions for Linux kernel on Espressobin */
- if (!of_machine_is_compatible("marvell,armada-3720-espressobin"))
+ if (!of_machine_is_compatible("globalscale,espressobin"))
return 0;
spi_off = fdt_node_offset_by_compatible(blob, -1, "jedec,spi-nor");

369
package/boot/uboot-mvebu/patches/132-arm64-dts-armada-3720-espressobin-split-common-parts.patch Normal file
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@ -0,0 +1,369 @@
From ee59573dd531df96de0d9dc8e79b34ed3716c864 Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Fri, 4 Sep 2020 15:38:58 +0200
Subject: [PATCH] arm64: dts: armada-3720-espressobin: split common parts to
.dtsi
Move most of the dts to the new common
arch/arm/dts/armada-3720-espressobin.dtsi file, just like Linux has.
The dts itself is imported from Linux.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
arch/arm/dts/armada-3720-espressobin.dts | 190 ++----------------
...sobin.dts => armada-3720-espressobin.dtsi} | 3 -
2 files changed, 20 insertions(+), 173 deletions(-)
rewrite arch/arm/dts/armada-3720-espressobin.dts (95%)
copy arch/arm/dts/{armada-3720-espressobin.dts => armada-3720-espressobin.dtsi} (96%)
--- a/arch/arm/dts/armada-3720-espressobin.dts
+++ b/arch/arm/dts/armada-3720-espressobin.dts
@@ -1,170 +1,20 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
- * Device Tree file for Marvell Armada 3720 community board
- * (ESPRESSOBin)
+ * Device Tree file for Globalscale Marvell ESPRESSOBin Board
* Copyright (C) 2016 Marvell
*
- * Gregory CLEMENT <gregory.clement@free-electrons.com>
- * Konstantin Porotchkin <kostap@marvell.com>
+ * Romain Perier <romain.perier@free-electrons.com>
*
- * This file is dual-licensed: you can use it either under the terms
- * of the GPL or the X11 license, at your option. Note that this dual
- * licensing only applies to this file, and not this project as a
- * whole.
- *
- * a) This file is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Or, alternatively
- *
- * b) Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
+ */
+/*
+ * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
*/
/dts-v1/;
-#include "armada-372x.dtsi"
+#include "armada-3720-espressobin.dtsi"
/ {
model = "Globalscale Marvell ESPRESSOBin Board";
compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
-
- chosen {
- stdout-path = "serial0:115200n8";
- };
-
- aliases {
- ethernet0 = &eth0;
- i2c0 = &i2c0;
- spi0 = &spi0;
- };
-
- memory {
- device_type = "memory";
- reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
- };
-
- vcc_sd_reg0: regulator@0 {
- compatible = "regulator-gpio";
- regulator-name = "vcc_sd0";
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
- regulator-type = "voltage";
- states = <1800000 0x1
- 3300000 0x0>;
- gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
- };
-};
-
-&comphy {
- max-lanes = <3>;
- phy0 {
- phy-type = <PHY_TYPE_USB3_HOST0>;
- phy-speed = <PHY_SPEED_5G>;
- };
-
- phy1 {
- phy-type = <PHY_TYPE_PEX0>;
- phy-speed = <PHY_SPEED_2_5G>;
- };
-
- phy2 {
- phy-type = <PHY_TYPE_SATA0>;
- phy-speed = <PHY_SPEED_5G>;
- };
-};
-
-&eth0 {
- status = "okay";
- pinctrl-names = "default";
- pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
- phy-mode = "rgmii";
- phy_addr = <0x1>;
- fixed-link {
- speed = <1000>;
- full-duplex;
- };
-};
-
-&i2c0 {
- pinctrl-names = "default";
- pinctrl-0 = <&i2c1_pins>;
- status = "okay";
-};
-
-/* CON3 */
-&sata {
- status = "okay";
-};
-
-&sdhci0 {
- pinctrl-names = "default";
- pinctrl-0 = <&sdio_pins>;
- bus-width = <4>;
- cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
- vqmmc-supply = <&vcc_sd_reg0>;
- status = "okay";
-};
-
-&spi0 {
- status = "okay";
- pinctrl-names = "default";
- pinctrl-0 = <&spi_quad_pins>;
-
- spi-flash@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "st,m25p128", "jedec,spi-nor";
- reg = <0>; /* Chip select 0 */
- spi-max-frequency = <50000000>;
- m25p,fast-read;
- };
-};
-
-/* Exported on the micro USB connector CON32 through an FTDI */
-&uart0 {
- pinctrl-names = "default";
- pinctrl-0 = <&uart1_pins>;
- status = "okay";
-};
-
-/* CON29 */
-&usb2 {
- status = "okay";
-};
-
-/* CON31 */
-&usb3 {
- status = "okay";
-};
-
-&pcie0 {
- pinctrl-names = "default";
- pinctrl-0 = <&pcie_pins>;
- reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
- status = "okay";
};
--- /dev/null
+++ b/arch/arm/dts/armada-3720-espressobin.dtsi
@@ -0,0 +1,167 @@
+/*
+ * Device Tree file for Marvell Armada 3720 community board
+ * (ESPRESSOBin)
+ * Copyright (C) 2016 Marvell
+ *
+ * Gregory CLEMENT <gregory.clement@free-electrons.com>
+ * Konstantin Porotchkin <kostap@marvell.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "armada-372x.dtsi"
+
+/ {
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ aliases {
+ ethernet0 = &eth0;
+ i2c0 = &i2c0;
+ spi0 = &spi0;
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
+ };
+
+ vcc_sd_reg0: regulator@0 {
+ compatible = "regulator-gpio";
+ regulator-name = "vcc_sd0";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-type = "voltage";
+ states = <1800000 0x1
+ 3300000 0x0>;
+ gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&comphy {
+ max-lanes = <3>;
+ phy0 {
+ phy-type = <PHY_TYPE_USB3_HOST0>;
+ phy-speed = <PHY_SPEED_5G>;
+ };
+
+ phy1 {
+ phy-type = <PHY_TYPE_PEX0>;
+ phy-speed = <PHY_SPEED_2_5G>;
+ };
+
+ phy2 {
+ phy-type = <PHY_TYPE_SATA0>;
+ phy-speed = <PHY_SPEED_5G>;
+ };
+};
+
+&eth0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
+ phy-mode = "rgmii";
+ phy_addr = <0x1>;
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+ status = "okay";
+};
+
+/* CON3 */
+&sata {
+ status = "okay";
+};
+
+&sdhci0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdio_pins>;
+ bus-width = <4>;
+ cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
+ vqmmc-supply = <&vcc_sd_reg0>;
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_quad_pins>;
+
+ spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "st,m25p128", "jedec,spi-nor";
+ reg = <0>; /* Chip select 0 */
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ };
+};
+
+/* Exported on the micro USB connector CON32 through an FTDI */
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "okay";
+};
+
+/* CON29 */
+&usb2 {
+ status = "okay";
+};
+
+/* CON31 */
+&usb3 {
+ status = "okay";
+};
+
+&pcie0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+ reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};

89
package/boot/uboot-mvebu/patches/133-arm64-dts-a3720-add-support-for-boards-with-populate.patch Normal file
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@ -0,0 +1,89 @@
From 83908b6e2e5a7d7b0f4d040ffb4bf3ce6807b8fe Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Fri, 4 Sep 2020 15:44:41 +0200
Subject: [PATCH] arm64: dts: a3720: add support for boards with populated emmc
Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
emmc, since sdhc0 is used for the sd card.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/armada-3720-espressobin-emmc.dts | 44 +++++++++++++++++++
doc/README.marvell | 7 ++-
3 files changed, 50 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harm
dtb-$(CONFIG_ARCH_MVEBU) += \
armada-3720-db.dtb \
armada-3720-espressobin.dtb \
+ armada-3720-espressobin-emmc.dtb \
armada-3720-turris-mox.dtb \
armada-3720-uDPU.dtb \
armada-375-db.dtb \
--- /dev/null
+++ b/arch/arm/dts/armada-3720-espressobin-emmc.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree file for Globalscale Marvell ESPRESSOBin Board with eMMC
+ * Copyright (C) 2018 Marvell
+ *
+ * Romain Perier <romain.perier@free-electrons.com>
+ * Konstantin Porotchkin <kostap@marvell.com>
+ *
+ */
+/*
+ * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
+ */
+
+/dts-v1/;
+
+#include "armada-3720-espressobin.dtsi"
+
+/ {
+ model = "Globalscale Marvell ESPRESSOBin Board (eMMC)";
+ compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
+ "marvell,armada3720", "marvell,armada3710";
+};
+
+/* U11 */
+&sdhci1 {
+ non-removable;
+ bus-width = <8>;
+ mmc-ddr-1_8v;
+ mmc-hs400-1_8v;
+ marvell,xenon-emmc;
+ marvell,xenon-tun-count = <9>;
+ marvell,pad-type = "fixed-1-8v";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc_pins>;
+ status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mmccard: mmccard@0 {
+ compatible = "mmc-card";
+ reg = <0>;
+ };
+};
--- a/doc/README.marvell
+++ b/doc/README.marvell
@@ -43,8 +43,11 @@ Build Procedure
In order to prevent this, the required device-tree MUST be set during compilation.
All device-tree files are located in ./arch/arm/dts/ folder.
- For other DB boards (MacchiatoBin, EspressoBin and 3700 DB board) compile u-boot with
- just default device-tree from defconfig using:
+ For the EspressoBin board with populated eMMC device use
+ # make DEVICE_TREE=armada-3720-espressobin-emmc
+
+ For other DB boards (MacchiatoBin, EspressoBin without soldered eMMC and 3700 DB board)
+ compile u-boot with just default device-tree from defconfig using:
# make

100
package/boot/uboot-mvebu/patches/134-arm-mvebu-Espressobin-Set-environment-variable-fdtfi.patch Normal file
View File

@ -0,0 +1,100 @@
From d59406482c1847959305a986376b35e57da28e69 Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Sat, 5 Sep 2020 12:45:59 +0200
Subject: [PATCH] arm: mvebu: Espressobin: Set environment variable fdtfile
Required for the generic distro mechanism.
Linux ships with 4 variants:
marvell/armada-3720-espressobin-v7-emmc.dtb
marvell/armada-3720-espressobin-v7.dtb
marvell/armada-3720-espressobin-emmc.dtb
marvell/armada-3720-espressobin.dtb
Use available information to determine the appropriate filename.
Tested on a v5 board without eMMC.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
board/Marvell/mvebu_armada-37xx/board.c | 47 +++++++++++++++++++++
configs/mvebu_espressobin-88f3720_defconfig | 1 +
2 files changed, 48 insertions(+)
--- a/board/Marvell/mvebu_armada-37xx/board.c
+++ b/board/Marvell/mvebu_armada-37xx/board.c
@@ -5,6 +5,7 @@
#include <common.h>
#include <dm.h>
+#include <env.h>
#include <i2c.h>
#include <init.h>
#include <phy.h>
@@ -50,6 +51,22 @@ DECLARE_GLOBAL_DATA_PTR;
#define MVEBU_G2_SMI_PHY_CMD_REG (24)
#define MVEBU_G2_SMI_PHY_DATA_REG (25)
+/*
+ * Memory Controller Registers
+ *
+ * Assembled based on public information:
+ * https://gitlab.nic.cz/turris/mox-boot-builder/-/blob/master/wtmi/main.c#L332-336
+ * https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/blob/mv_ddr-armada-18.12/drivers/mv_ddr_mc6.h#L309-L332
+ *
+ * And checked against the written register values for the various topologies:
+ * https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/blob/mv_ddr-armada-atf-mainline/a3700/mv_ddr_tim.h
+ */
+#define A3700_CH0_MC_CTRL2_REG MVEBU_REGISTER(0x002c4)
+#define A3700_MC_CTRL2_SDRAM_TYPE_MASK 0xf
+#define A3700_MC_CTRL2_SDRAM_TYPE_OFFS 4
+#define A3700_MC_CTRL2_SDRAM_TYPE_DDR3 2
+#define A3700_MC_CTRL2_SDRAM_TYPE_DDR4 3
+
int board_early_init_f(void)
{
return 0;
@@ -63,6 +80,36 @@ int board_init(void)
return 0;
}
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ bool ddr4, emmc;
+
+ if (env_get("fdtfile"))
+ return 0;
+
+ if (!of_machine_is_compatible("globalscale,espressobin"))
+ return 0;
+
+ /* If the memory controller has been configured for DDR4, we're running on v7 */
+ ddr4 = ((readl(A3700_CH0_MC_CTRL2_REG) >> A3700_MC_CTRL2_SDRAM_TYPE_OFFS)
+ & A3700_MC_CTRL2_SDRAM_TYPE_MASK) == A3700_MC_CTRL2_SDRAM_TYPE_DDR4;
+
+ emmc = of_machine_is_compatible("globalscale,espressobin-emmc");
+
+ if (ddr4 && emmc)
+ env_set("fdtfile", "marvell/armada-3720-espressobin-v7-emmc.dtb");
+ else if (ddr4)
+ env_set("fdtfile", "marvell/armada-3720-espressobin-v7.dtb");
+ else if (emmc)
+ env_set("fdtfile", "marvell/armada-3720-espressobin-emmc.dtb");
+ else
+ env_set("fdtfile", "marvell/armada-3720-espressobin.dtb");
+
+ return 0;
+}
+#endif
+
/* Board specific AHCI / SATA enable code */
int board_ahci_enable(void)
{
--- a/configs/mvebu_espressobin-88f3720_defconfig
+++ b/configs/mvebu_espressobin-88f3720_defconfig
@@ -84,3 +84,4 @@ CONFIG_USB_ETHER_RTL8152=y
CONFIG_USB_ETHER_SMSC95XX=y
CONFIG_SHA1=y
CONFIG_SHA256=y
+CONFIG_BOARD_LATE_INIT=y