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ARM: Zynq: Add ZYBO board

PATCH New Peter Crosthwaite 5 participants 13 messages Aug 28, 2014 – Sep 1, 2014 1 message not in the archive

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#0 lore raw

cover ARM: Zynq: Add ZYBO board

Hi Michal, Steven,

This series adds the ZYBO board to u-boot. Some components were originally contributed to the digilent u-boot tree (P2). Thanks to Steven Wang. The original code had a custom u-boot env specific for Zybo but I have dropped that. I have added DTS support - which in general seems to have appeared in u-boot since the original digilent work (P1). The new configury is P3.

Regards,
Peter

Peter Crosthwaite (2):
arm: dts: zynq: Add digilent ZYBO board dts
kconfig: zynq: Add ZYBO board

Tinghui Wang (1):
configs: zynq: Add config support for ZYBO

 arch/arm/Kconfig            |  3 +++
 arch/arm/dts/Makefile       |  1 +
 arch/arm/dts/zynq-zybo.dts  | 23 +++++++++++++++++++++++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 6 files changed, 85 insertions(+)
 create mode 100644 arch/arm/dts/zynq-zybo.dts
 create mode 100644 configs/zynq_zybo_defconfig
 create mode 100644 include/configs/zynq_zybo.h
Signature · 1 line
1.9.1
#1 lore raw

PATCH 1/3 arm: dts: zynq: Add digilent ZYBO board dts

It's a Zynq board similar in design to the currently supported ones. 512MB of RAM and UART1 is used.

---
 arch/arm/dts/Makefile      |  1 +
 arch/arm/dts/zynq-zybo.dts | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 arch/arm/dts/zynq-zybo.dts
arch/arm/dts/Makefile +1 -0
index 6e2e313..6da68ac 100644
@@ -28,6 +28,7 @@ dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 dtb-$(CONFIG_ZYNQ) += zynq-zc702.dtb \
 	zynq-zc706.dtb \
 	zynq-zed.dtb \
+	zynq-zybo.dtb \
 	zynq-microzed.dtb \
 	zynq-zc770-xm010.dtb \
 	zynq-zc770-xm012.dtb \
arch/arm/dts/zynq-zybo.dts new file +23 -0
new file mode 100644
index 0000000..20e0386
@@ -0,0 +1,23 @@
+/*
+ * Digilent ZYBO board DTS
+ *
+ * Copyright (C) 2013 Xilinx, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+	model = "Zynq ZYBO Board";
+	compatible = "xlnx,zynq-zybo", "xlnx,zynq-7000";
+
+	aliases {
+		serial0 = &uart1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0x20000000>;
+	};
+};
Signature · 1 line
1.9.1
#2 lore raw

PATCH 1/3 arm: dts: zynq: Add digilent ZYBO board dts

Quoted 9 lines · Peter Crosthwaite

It's a Zynq board similar in design to the currently supported ones. 512MB of RAM and UART1 is used.

---
 arch/arm/dts/Makefile      |  1 +
 arch/arm/dts/zynq-zybo.dts | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 arch/arm/dts/zynq-zybo.dts
Quoted 43 lines
arch/arm/dts/Makefile +1 -0
index 6e2e313..6da68ac 100644
@@ -28,6 +28,7 @@ dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 dtb-$(CONFIG_ZYNQ) += zynq-zc702.dtb \
        zynq-zc706.dtb \
        zynq-zed.dtb \
+       zynq-zybo.dtb \
        zynq-microzed.dtb \
        zynq-zc770-xm010.dtb \
        zynq-zc770-xm012.dtb \
arch/arm/dts/zynq-zybo.dts new file +23 -1
new file mode 100644
index 0000000..20e0386
@@ -0,0 +1,23 @@
+/*
+ * Digilent ZYBO board DTS
+ *
+ * Copyright (C) 2013 Xilinx, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+       model = "Zynq ZYBO Board";
+       compatible = "xlnx,zynq-zybo", "xlnx,zynq-7000";
+
+       aliases {
+               serial0 = &uart1;
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0 0x20000000>;
+       };
+};
--
Quoted 1 line

1.9.1

thanks!

Signature · 1 line
Jagan.
#3 lore raw

PATCH 2/3 configs: zynq: Add config support for ZYBO

In reply to Peter Crosthwaite

From: Tinghui Wang <[email protected]>

This patch adds config support needed for ZYBO target and has been tested on Rev. B ZYBO hardware.

[PC changes:
* Dropped boards.cfg change (rebase conflict)
* Dropped custom u-boot env
* Added DTS
* Misc forward-porting changes
]

---
I have dropped the custom u-boot env from the original patch, as I'm not sure what the purpose was and I didn't need it for ZYBO SPL.

---
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/configs/zynq_zybo.h
include/configs/zynq_zybo.h new file +31 -0
new file mode 100644
index 0000000..c167207
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2012 Xilinx
+ * (C) Copyright 2014 Digilent Inc.
+ *
+ * Configuration for Zynq Development Board - ZYBO
+ * See zynq_common.h for Zynq common configs
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_ZYNQ_ZYBO_H
+#define __CONFIG_ZYNQ_ZYBO_H
+
+#define CONFIG_SYS_SDRAM_SIZE (512 * 1024 * 1024)
+
+#define CONFIG_ZYNQ_SERIAL_UART1
+#define CONFIG_ZYNQ_GEM0
+#define CONFIG_ZYNQ_GEM_PHY_ADDR0	0
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_ZYNQ_SDHCI0
+#define CONFIG_ZYNQ_BOOT_FREEBSD
+#define CONFIG_DEFAULT_DEVICE_TREE	zynq-zybo
+
+/* Define ZYBO PS Clock Frequency to 50MHz */
+#define CONFIG_ZYNQ_PS_CLK_FREQ	50000000UL
+
+#include <configs/zynq-common.h>
+
+#endif /* __CONFIG_ZYNQ_ZYBO_H */
Signature · 1 line
1.9.1
#4 lore raw

PATCH 2/3 configs: zynq: Add config support for ZYBO

Quoted 28 lines · Peter Crosthwaite

From: Tinghui Wang <[email protected]>

This patch adds config support needed for ZYBO target and has been tested on Rev. B ZYBO hardware.

[PC changes:
* Dropped boards.cfg change (rebase conflict)
* Dropped custom u-boot env
* Added DTS
* Misc forward-porting changes
]

---
I have dropped the custom u-boot env from the original patch, as I'm not sure what the purpose was and I didn't need it for ZYBO SPL.

---
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/configs/zynq_zybo.h
include/configs/zynq_zybo.h new file +0 -0
new file mode 100644
index 0000000..c167207

include/configs/zynq_zybo.h line 6

Quoted 6 lines
include/configs/zynq_zybo.h new file +6 -0
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2012 Xilinx
+ * (C) Copyright 2014 Digilent Inc.
+ *
+ * Configuration for Zynq Development Board - ZYBO
+ * See zynq_common.h for Zynq common configs

typo - it's zynq-common.h

Quoted 26 lines
include/configs/zynq_zybo.h new file +25 -1
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __CONFIG_ZYNQ_ZYBO_H
+#define __CONFIG_ZYNQ_ZYBO_H
+
+#define CONFIG_SYS_SDRAM_SIZE (512 * 1024 * 1024)
+
+#define CONFIG_ZYNQ_SERIAL_UART1
+#define CONFIG_ZYNQ_GEM0
+#define CONFIG_ZYNQ_GEM_PHY_ADDR0      0
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_ZYNQ_SDHCI0
+#define CONFIG_ZYNQ_BOOT_FREEBSD
+#define CONFIG_DEFAULT_DEVICE_TREE     zynq-zybo
+
+/* Define ZYBO PS Clock Frequency to 50MHz */
+#define CONFIG_ZYNQ_PS_CLK_FREQ        50000000UL
+
+#include <configs/zynq-common.h>
+
+#endif /* __CONFIG_ZYNQ_ZYBO_H */
--
Quoted 1 line

1.9.1

thanks!

Signature · 1 line
Jagan.
#5 lore raw

PATCH 3/3 kconfig: zynq: Add ZYBO board

In reply to Peter Crosthwaite

Add a defconfig and Kconfigury for the Digilent ZYBO board.

---
 arch/arm/Kconfig            |  3 +++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 3 files changed, 30 insertions(+)
 create mode 100644 configs/zynq_zybo_defconfig
arch/arm/Kconfig +3 -0
index e385eda..e04a2b9 100644
@@ -671,6 +671,9 @@ config TARGET_ZYNQ_ZC770
 config TARGET_ZYNQ_ZED
 	bool "Support zynq_zed"
 
+config TARGET_ZYNQ_ZYBO
+	bool "Support zynq_zybo"
+
 config TARGET_MEDCOM_WIDE
 	bool "Support medcom-wide"
 
board/xilinx/zynq/Kconfig +24 -0
index 3b72a5f..151279c 100644
@@ -93,3 +93,27 @@ config SYS_CONFIG_NAME
 	default "zynq_zed"
 
 endif
+
+if TARGET_ZYNQ_ZYBO
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "zynq"
+
+config SYS_VENDOR
+	string
+	default "xilinx"
+
+config SYS_SOC
+	string
+	default "zynq"
+
+config SYS_CONFIG_NAME
+	string
+	default "zynq_zybo"
+
+endif
configs/zynq_zybo_defconfig new file +3 -0
new file mode 100644
index 0000000..973ebc1
@@ -0,0 +1,3 @@
+CONFIG_SPL=y
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_ZYNQ_ZYBO=y
Signature · 1 line
1.9.1
#6 lore raw

PATCH 3/3 kconfig: zynq: Add ZYBO board

Quoted 9 lines · Peter Crosthwaite

Add a defconfig and Kconfigury for the Digilent ZYBO board.

---
 arch/arm/Kconfig            |  3 +++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 3 files changed, 30 insertions(+)
 create mode 100644 configs/zynq_zybo_defconfig
Quoted 53 lines
arch/arm/Kconfig +3 -0
index e385eda..e04a2b9 100644
@@ -671,6 +671,9 @@ config TARGET_ZYNQ_ZC770
 config TARGET_ZYNQ_ZED
        bool "Support zynq_zed"
 
+config TARGET_ZYNQ_ZYBO
+       bool "Support zynq_zybo"
+
 config TARGET_MEDCOM_WIDE
        bool "Support medcom-wide"
 
board/xilinx/zynq/Kconfig +24 -0
index 3b72a5f..151279c 100644
@@ -93,3 +93,27 @@ config SYS_CONFIG_NAME
        default "zynq_zed"
 
 endif
+
+if TARGET_ZYNQ_ZYBO
+
+config SYS_CPU
+       string
+       default "armv7"
+
+config SYS_BOARD
+       string
+       default "zynq"
+
+config SYS_VENDOR
+       string
+       default "xilinx"
+
+config SYS_SOC
+       string
+       default "zynq"
+
+config SYS_CONFIG_NAME
+       string
+       default "zynq_zybo"
+
+endif
configs/zynq_zybo_defconfig new file +0 -0
new file mode 100644
index 0000000..973ebc1

configs/zynq_zybo_defconfig

Quoted 4 lines
configs/zynq_zybo_defconfig new file +3 -1
@@ -0,0 +1,3 @@
+CONFIG_SPL=y
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_ZYNQ_ZYBO=y
--

thanks!

Signature · 1 line
Jagan.
#7 lore raw

PATCH 3/3 kconfig: zynq: Add ZYBO board

In reply to Peter Crosthwaite

Hi Peter,

Sorry, this patch no longer applies on the mainline. Could you rebase and repost this patch, please?

(You need to touch arch/arm/cpu/armv7/zynq/Kconfig, intead of arch/arm/Kconfig, board/xilinx/zynq/Kconfig)

Best Regards
Masahiro Yamada

Quoted 72 lines · On Thu, 28 Aug 2014 21:16:41 +1000 Peter Crosthwaite…

Add a defconfig and Kconfigury for the Digilent ZYBO board.

---
 arch/arm/Kconfig            |  3 +++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 3 files changed, 30 insertions(+)
 create mode 100644 configs/zynq_zybo_defconfig
arch/arm/Kconfig +3 -0
index e385eda..e04a2b9 100644
@@ -671,6 +671,9 @@ config TARGET_ZYNQ_ZC770
 config TARGET_ZYNQ_ZED
 	bool "Support zynq_zed"
 
+config TARGET_ZYNQ_ZYBO
+	bool "Support zynq_zybo"
+
 config TARGET_MEDCOM_WIDE
 	bool "Support medcom-wide"
 
board/xilinx/zynq/Kconfig +24 -0
index 3b72a5f..151279c 100644
@@ -93,3 +93,27 @@ config SYS_CONFIG_NAME
 	default "zynq_zed"
 
 endif
+
+if TARGET_ZYNQ_ZYBO
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "zynq"
+
+config SYS_VENDOR
+	string
+	default "xilinx"
+
+config SYS_SOC
+	string
+	default "zynq"
+
+config SYS_CONFIG_NAME
+	string
+	default "zynq_zybo"
+
+endif
configs/zynq_zybo_defconfig new file +3 -0
new file mode 100644
index 0000000..973ebc1
@@ -0,0 +1,3 @@
+CONFIG_SPL=y
++S:CONFIG_ARM=y
++S:CONFIG_TARGET_ZYNQ_ZYBO=y
Signature · 6 lines
1.9.1

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#8 lore raw

PATCH 3/3 kconfig: zynq: Add ZYBO board

Hi Peter and Masahiro,

Quoted 8 lines · Masahiro Yamada

Hi Peter,

Sorry, this patch no longer applies on the mainline. Could you rebase and repost this patch, please?

(You need to touch arch/arm/cpu/armv7/zynq/Kconfig, intead of arch/arm/Kconfig, board/xilinx/zynq/Kconfig)

I have rebased that patches on the top of Tom's tree. Here is v2 patch:
https://patchwork.ozlabs.org/patch/384762/

Thanks,
Michal

Signature · 14 lines
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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A message that is not in the archive (sent off-list or not yet received): [email protected]

#10 lore raw

PATCH 2/3 configs: zynq: Add config support for ZYBO

Hi,

Quoted 10 lines · Steve Wang

Hi, Peter,

In ZYBO, there is an on-board eeprom that contains a unique MAC address for each board.
In FSBL (before u-boot), the MAC address is read out from EEPROM and write to the corresponding registers in ETH controller.
So, in u-boot env, mac-skip should be defined so that it will not over-write the unique MAC address.

So, I wonder if it should be done in dts file or there is other ways to do that.

It can be done in as follow up patch.
U-Boot also supports SPL. It means if you want to read this address from EEPROM you should solve it just in u-boot. There should be some ways how to do it.

Thanks,
Michal

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#11 lore raw

PATCH 2/3 configs: zynq: Add config support for ZYBO

In reply to a message not in the archive
Quoted 9 lines · Steve Wang

Hi, Peter,

In ZYBO, there is an on-board eeprom that contains a unique MAC address for each board.
In FSBL (before u-boot), the MAC address is read out from EEPROM and write to the corresponding registers in ETH controller.
So, in u-boot env, mac-skip should be defined so that it will not over-write the unique MAC address.

Is this condition auto-detectable? If an earlier boot stage has set the MAC address that should be visible to the driver. Then the env is given the concept of a "weak" mac address - one that is set if the hardware is not initialised already.

This EEPROM MAC pre-init concept is also applicable to other Zynq boards that contain EEPROM such as 70x so I think its more general than ZYBO.

Quoted 3 lines

So, I wonder if it should be done in dts file or there is other ways to do that.

DTS might work, is it a "chosen" perhaps? If the value is absent, then u-boot will do nothing and assume other boot stages will do MAC addr init.

Regards,
Peter

Quoted 75 lines

Thanks indeed!
Regards,
Steve

-----Peter Crosthwaite <[email protected]> wrote: -----
To: u-boot at lists.denx.de
From: Peter Crosthwaite <[email protected]>
Date: 08/28/2014 04:16AM
Cc: michals at xilinx.com, steven.wang at digilentinc.com
Subject: [PATCH 2/3] configs: zynq: Add config support for ZYBO

From: Tinghui Wang <[email protected]>

This patch adds config support needed for ZYBO target and has been tested on Rev. B ZYBO hardware.

[PC changes:
* Dropped boards.cfg change (rebase conflict)
* Dropped custom u-boot env
* Added DTS
* Misc forward-porting changes
]

---
I have dropped the custom u-boot env from the original patch, as I'm not sure what the purpose was and I didn't need it for ZYBO SPL.

---
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 include/configs/zynq_zybo.h
include/configs/zynq_zybo.h new file +31 -1
new file mode 100644
index 0000000..c167207
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2012 Xilinx
+ * (C) Copyright 2014 Digilent Inc.
+ *
+ * Configuration for Zynq Development Board - ZYBO
+ * See zynq_common.h for Zynq common configs
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_ZYNQ_ZYBO_H
+#define __CONFIG_ZYNQ_ZYBO_H
+
+#define CONFIG_SYS_SDRAM_SIZE (512 * 1024 * 1024)
+
+#define CONFIG_ZYNQ_SERIAL_UART1
+#define CONFIG_ZYNQ_GEM0
+#define CONFIG_ZYNQ_GEM_PHY_ADDR0 0
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_ZYNQ_SDHCI0
+#define CONFIG_ZYNQ_BOOT_FREEBSD
+#define CONFIG_DEFAULT_DEVICE_TREE zynq-zybo
+
+/* Define ZYBO PS Clock Frequency to 50MHz */
+#define CONFIG_ZYNQ_PS_CLK_FREQ 50000000UL
+
+#include <configs/zynq-common.h>
+
+#endif /* __CONFIG_ZYNQ_ZYBO_H */
--

1.9.1

#12 lore raw

cover ARM: Zynq: Add ZYBO board

In reply to Peter Crosthwaite
Quoted 18 lines · Peter Crosthwaite

Hi Michal, Steven,

This series adds the ZYBO board to u-boot. Some components were originally contributed to the digilent u-boot tree (P2). Thanks to Steven Wang. The original code had a custom u-boot env specific for Zybo but I have dropped that. I have added DTS support - which in general seems to have appeared in u-boot since the original digilent work (P1). The new configury is P3.

Regards,
Peter

Peter Crosthwaite (2):
arm: dts: zynq: Add digilent ZYBO board dts
kconfig: zynq: Add ZYBO board

Tinghui Wang (1):
configs: zynq: Add config support for ZYBO

Quoted 11 lines
 arch/arm/Kconfig            |  3 +++
 arch/arm/dts/Makefile       |  1 +
 arch/arm/dts/zynq-zybo.dts  | 23 +++++++++++++++++++++++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 6 files changed, 85 insertions(+)
 create mode 100644 arch/arm/dts/zynq-zybo.dts
 create mode 100644 configs/zynq_zybo_defconfig
 create mode 100644 include/configs/zynq_zybo.h

Applied all with that small fix in 2/3 reported by Jagan. I have also tested it on real HW.

Thanks,
Michal

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#13 lore raw

cover ARM: Zynq: Add ZYBO board

Quoted 31 lines · Michal Simek
Quoted 18 lines · Peter Crosthwaite

Hi Michal, Steven,

This series adds the ZYBO board to u-boot. Some components were originally contributed to the digilent u-boot tree (P2). Thanks to Steven Wang. The original code had a custom u-boot env specific for Zybo but I have dropped that. I have added DTS support - which in general seems to have appeared in u-boot since the original digilent work (P1). The new configury is P3.

Regards,
Peter

Peter Crosthwaite (2):
arm: dts: zynq: Add digilent ZYBO board dts
kconfig: zynq: Add ZYBO board

Tinghui Wang (1):
configs: zynq: Add config support for ZYBO

Quoted 11 lines
 arch/arm/Kconfig            |  3 +++
 arch/arm/dts/Makefile       |  1 +
 arch/arm/dts/zynq-zybo.dts  | 23 +++++++++++++++++++++++
 board/xilinx/zynq/Kconfig   | 24 ++++++++++++++++++++++++
 configs/zynq_zybo_defconfig |  3 +++
 include/configs/zynq_zybo.h | 31 +++++++++++++++++++++++++++++++
 6 files changed, 85 insertions(+)
 create mode 100644 arch/arm/dts/zynq-zybo.dts
 create mode 100644 configs/zynq_zybo_defconfig
 create mode 100644 include/configs/zynq_zybo.h
Quoted 1 line

Applied all with that small fix in 2/3 reported by Jagan.

Thanks,

Regards,
Peter

Quoted 5 lines

I have also tested it on real HW.

Thanks,
Michal