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* [PATCH 0/3] Improvements for ARC simulation platform
@ 2020-01-20 10:46 Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 1/3] ARC: nSIM: switch from ARC UART to DW UART Alexey Brodkin
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Alexey Brodkin @ 2020-01-20 10:46 UTC (permalink / raw)
  To: u-boot; +Cc: linux-snps-arc, Alexey Brodkin, uboot-snps-arc

Along with some clean-up we make 2 important changes:
 1. Switch to more standard 16550 UART instead of our custom "ARC UART".
    This paves the way for using this board in QEMU.

 2. Now when nSIM virtual board is usable in QEMU we add support of Virtio
    NIC & block device similarly as we did that in the Linux kernel [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=94b8beb972c524f42078281c9950ed3a946455fa

Alexey Brodkin (3):
  ARC: nSIM: switch from ARC UART to DW UART
  ARC: nsim_{700|700be|hs38be}_defconfigs: Disable networking
  ARC: nsim_hs38: Add support of Virtio NET & BLK

 arch/arc/Kconfig                  |  4 ++--
 arch/arc/dts/nsim.dts             | 48 +++++++++++++++++++++++++++++++++++----
 board/synopsys/{ => nsim}/Kconfig |  3 +++
 board/synopsys/nsim/MAINTAINERS   |  6 +++++
 board/synopsys/nsim/Makefile      |  7 ++++++
 board/synopsys/nsim/nsim.c        | 26 +++++++++++++++++++++
 configs/nsim_700_defconfig        |  9 ++++----
 configs/nsim_700be_defconfig      |  9 ++++----
 configs/nsim_hs38_defconfig       | 17 ++++++++++----
 configs/nsim_hs38be_defconfig     |  9 ++++----
 10 files changed, 115 insertions(+), 23 deletions(-)
 rename board/synopsys/{ => nsim}/Kconfig (74%)
 create mode 100644 board/synopsys/nsim/MAINTAINERS
 create mode 100644 board/synopsys/nsim/Makefile
 create mode 100644 board/synopsys/nsim/nsim.c

-- 
2.16.2


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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 1/3] ARC: nSIM: switch from ARC UART to DW UART
  2020-01-20 10:46 [PATCH 0/3] Improvements for ARC simulation platform Alexey Brodkin
@ 2020-01-20 10:46 ` Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 2/3] ARC: nsim_{700|700be|hs38be}_defconfigs: Disable networking Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 3/3] ARC: nsim_hs38: Add support of Virtio NET & BLK Alexey Brodkin
  2 siblings, 0 replies; 4+ messages in thread
From: Alexey Brodkin @ 2020-01-20 10:46 UTC (permalink / raw)
  To: u-boot; +Cc: linux-snps-arc, Alexey Brodkin, uboot-snps-arc

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>
---
 arch/arc/dts/nsim.dts         | 12 +++++++-----
 configs/nsim_700_defconfig    |  8 ++++----
 configs/nsim_700be_defconfig  |  8 ++++----
 configs/nsim_hs38_defconfig   |  8 ++++----
 configs/nsim_hs38be_defconfig |  8 ++++----
 5 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/arch/arc/dts/nsim.dts b/arch/arc/dts/nsim.dts
index 243ecb178e..a3f3964d35 100644
--- a/arch/arc/dts/nsim.dts
+++ b/arch/arc/dts/nsim.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
+ * Copyright (C) 2015-2016, 2019 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>;
 	};
 
diff --git a/configs/nsim_700_defconfig b/configs/nsim_700_defconfig
index 5633113b09..2d4a58b178 100644
--- a/configs/nsim_700_defconfig
+++ b/configs/nsim_700_defconfig
@@ -1,13 +1,13 @@
 CONFIG_ARC=y
 CONFIG_TARGET_NSIM=y
 CONFIG_SYS_TEXT_BASE=0x81000000
-CONFIG_DEBUG_UART_BASE=0xc0fc1000
+CONFIG_DEBUG_UART_BASE=0xf0000000
 CONFIG_DEBUG_UART_CLOCK=70000000
 CONFIG_SYS_CLK_FREQ=70000000
 CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyARC0,115200n8"
+CONFIG_BOOTARGS="console=ttyS0,115200n8"
 CONFIG_SYS_PROMPT="nsim# "
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
@@ -16,6 +16,6 @@ CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
-CONFIG_DEBUG_ARC_SERIAL=y
-CONFIG_ARC_SERIAL=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y
diff --git a/configs/nsim_700be_defconfig b/configs/nsim_700be_defconfig
index 40f7ec7e1f..61eea91449 100644
--- a/configs/nsim_700be_defconfig
+++ b/configs/nsim_700be_defconfig
@@ -2,13 +2,13 @@ CONFIG_ARC=y
 CONFIG_CPU_BIG_ENDIAN=y
 CONFIG_TARGET_NSIM=y
 CONFIG_SYS_TEXT_BASE=0x81000000
-CONFIG_DEBUG_UART_BASE=0xc0fc1000
+CONFIG_DEBUG_UART_BASE=0xf0000000
 CONFIG_DEBUG_UART_CLOCK=70000000
 CONFIG_SYS_CLK_FREQ=70000000
 CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyARC0,115200n8"
+CONFIG_BOOTARGS="console=ttyS0,115200n8"
 CONFIG_SYS_PROMPT="nsim# "
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
@@ -17,6 +17,6 @@ CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
-CONFIG_DEBUG_ARC_SERIAL=y
-CONFIG_ARC_SERIAL=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y
diff --git a/configs/nsim_hs38_defconfig b/configs/nsim_hs38_defconfig
index 2820a6fca3..ce68de3251 100644
--- a/configs/nsim_hs38_defconfig
+++ b/configs/nsim_hs38_defconfig
@@ -2,13 +2,13 @@ CONFIG_ARC=y
 CONFIG_ISA_ARCV2=y
 CONFIG_TARGET_NSIM=y
 CONFIG_SYS_TEXT_BASE=0x81000000
-CONFIG_DEBUG_UART_BASE=0xc0fc1000
+CONFIG_DEBUG_UART_BASE=0xf0000000
 CONFIG_DEBUG_UART_CLOCK=70000000
 CONFIG_SYS_CLK_FREQ=70000000
 CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyARC0,115200n8"
+CONFIG_BOOTARGS="console=ttyS0,115200n8"
 CONFIG_SYS_PROMPT="nsim# "
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
@@ -17,6 +17,6 @@ CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
-CONFIG_DEBUG_ARC_SERIAL=y
-CONFIG_ARC_SERIAL=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y
diff --git a/configs/nsim_hs38be_defconfig b/configs/nsim_hs38be_defconfig
index e533fae2b1..5d2ea59d52 100644
--- a/configs/nsim_hs38be_defconfig
+++ b/configs/nsim_hs38be_defconfig
@@ -3,13 +3,13 @@ CONFIG_ISA_ARCV2=y
 CONFIG_CPU_BIG_ENDIAN=y
 CONFIG_TARGET_NSIM=y
 CONFIG_SYS_TEXT_BASE=0x81000000
-CONFIG_DEBUG_UART_BASE=0xc0fc1000
+CONFIG_DEBUG_UART_BASE=0xf0000000
 CONFIG_DEBUG_UART_CLOCK=70000000
 CONFIG_SYS_CLK_FREQ=70000000
 CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyARC0,115200n8"
+CONFIG_BOOTARGS="console=ttyS0,115200n8"
 CONFIG_SYS_PROMPT="nsim# "
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
@@ -18,6 +18,6 @@ CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
-CONFIG_DEBUG_ARC_SERIAL=y
-CONFIG_ARC_SERIAL=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
 CONFIG_USE_PRIVATE_LIBGCC=y
-- 
2.16.2


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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 2/3] ARC: nsim_{700|700be|hs38be}_defconfigs: Disable networking
  2020-01-20 10:46 [PATCH 0/3] Improvements for ARC simulation platform Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 1/3] ARC: nSIM: switch from ARC UART to DW UART Alexey Brodkin
@ 2020-01-20 10:46 ` Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 3/3] ARC: nsim_hs38: Add support of Virtio NET & BLK Alexey Brodkin
  2 siblings, 0 replies; 4+ messages in thread
From: Alexey Brodkin @ 2020-01-20 10:46 UTC (permalink / raw)
  To: u-boot; +Cc: linux-snps-arc, Alexey Brodkin, uboot-snps-arc

We don't have yet any brc700 or big-enadian platforms with networking
support to run this particular configuration.

Whenever QEMU for ARC supports arc700 or big-endian targets we may revisit
this one.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
 configs/nsim_700_defconfig    | 1 +
 configs/nsim_700be_defconfig  | 1 +
 configs/nsim_hs38be_defconfig | 1 +
 3 files changed, 3 insertions(+)

diff --git a/configs/nsim_700_defconfig b/configs/nsim_700_defconfig
index 2d4a58b178..6a38e2c246 100644
--- a/configs/nsim_700_defconfig
+++ b/configs/nsim_700_defconfig
@@ -14,6 +14,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
diff --git a/configs/nsim_700be_defconfig b/configs/nsim_700be_defconfig
index 61eea91449..d3ed84a415 100644
--- a/configs/nsim_700be_defconfig
+++ b/configs/nsim_700be_defconfig
@@ -15,6 +15,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
diff --git a/configs/nsim_hs38be_defconfig b/configs/nsim_hs38be_defconfig
index 5d2ea59d52..b074b4ca98 100644
--- a/configs/nsim_hs38be_defconfig
+++ b/configs/nsim_hs38be_defconfig
@@ -16,6 +16,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET is not set
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
-- 
2.16.2


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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 3/3] ARC: nsim_hs38: Add support of Virtio NET & BLK
  2020-01-20 10:46 [PATCH 0/3] Improvements for ARC simulation platform Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 1/3] ARC: nSIM: switch from ARC UART to DW UART Alexey Brodkin
  2020-01-20 10:46 ` [PATCH 2/3] ARC: nsim_{700|700be|hs38be}_defconfigs: Disable networking Alexey Brodkin
@ 2020-01-20 10:46 ` Alexey Brodkin
  2 siblings, 0 replies; 4+ messages in thread
From: Alexey Brodkin @ 2020-01-20 10:46 UTC (permalink / raw)
  To: u-boot; +Cc: linux-snps-arc, Alexey Brodkin, uboot-snps-arc

Given now nsim_hs38 configuration is usable on QEMU and in QEMU
we have Virtio working perfectly fine the next logical step
is to add support of supported & known to work net & bkl to this
config.

Note so far we don't have device tree descriptions synced from
the mainline Linux kernel (which we'll need to do anyway at some point)
and as of now we keep U-Boot's device trees as minimalistic as possible
in nSIM description we had to add core's interrupt controller node and
set it as everyone's interrupt-parent. That's required to make buildman
happy. Otherwise it complains like that:
------------------------>8------------------------
w+arch/arc/dts/nsim.dtb: Warning (interrupts_property): /virtio@f0100000: Missing interrupt-parent
------------------------>8------------------------

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
 arch/arc/Kconfig                  |  4 ++--
 arch/arc/dts/nsim.dts             | 36 ++++++++++++++++++++++++++++++++++++
 board/synopsys/{ => nsim}/Kconfig |  3 +++
 board/synopsys/nsim/MAINTAINERS   |  6 ++++++
 board/synopsys/nsim/Makefile      |  7 +++++++
 board/synopsys/nsim/nsim.c        | 26 ++++++++++++++++++++++++++
 configs/nsim_hs38_defconfig       |  9 +++++++++
 7 files changed, 89 insertions(+), 2 deletions(-)
 rename board/synopsys/{ => nsim}/Kconfig (74%)
 create mode 100644 board/synopsys/nsim/MAINTAINERS
 create mode 100644 board/synopsys/nsim/Makefile
 create mode 100644 board/synopsys/nsim/nsim.c

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 0cb97207db..545fc3e243 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -160,7 +160,7 @@ config TARGET_TB100
 	bool "Support tb100"
 
 config TARGET_NSIM
-	bool "Support standalone nSIM & Free nSIM"
+	bool "Support ARC simulation & prototyping platforms"
 
 config TARGET_AXS101
 	bool "Support Synopsys Designware SDP board AXS101"
@@ -184,10 +184,10 @@ config TARGET_IOT_DEVKIT
 endchoice
 
 source "board/abilis/tb100/Kconfig"
-source "board/synopsys/Kconfig"
 source "board/synopsys/axs10x/Kconfig"
 source "board/synopsys/emsdp/Kconfig"
 source "board/synopsys/hsdk/Kconfig"
 source "board/synopsys/iot_devkit/Kconfig"
+source "board/synopsys/nsim/Kconfig"
 
 endmenu
diff --git a/arch/arc/dts/nsim.dts b/arch/arc/dts/nsim.dts
index a3f3964d35..a902c4c4fa 100644
--- a/arch/arc/dts/nsim.dts
+++ b/arch/arc/dts/nsim.dts
@@ -8,6 +8,7 @@
 
 / {
 	model = "snps,nsim";
+	interrupt-parent = <&core_intc>;
 
 	aliases {
 		console = &uart0;
@@ -20,6 +21,12 @@
 			clock-frequency = <70000000>;
 			u-boot,dm-pre-reloc;
 		};
+
+		core_intc: interrupt-controller {
+			compatible = "snps,archs-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
 	};
 
 	uart0: serial@f0000000 {
@@ -30,4 +37,33 @@
 		clock-frequency = <70000000>;
 	};
 
+	virtio0: virtio@f0100000 {
+		compatible = "virtio,mmio";
+		reg = <0xf0100000 0x2000>;
+		interrupts = <31>;
+	};
+
+	virtio1: virtio@f0102000 {
+		compatible = "virtio,mmio";
+		reg = <0xf0102000 0x2000>;
+		interrupts = <32>;
+	};
+
+	virtio2: virtio@f0104000 {
+		compatible = "virtio,mmio";
+		reg = <0xf0104000 0x2000>;
+		interrupts = <33>;
+	};
+
+	virtio3: virtio@f0106000 {
+		compatible = "virtio,mmio";
+		reg = <0xf0106000 0x2000>;
+		interrupts = <34>;
+	};
+
+	virtio4: virtio@f0108000 {
+		compatible = "virtio,mmio";
+		reg = <0xf0108000 0x2000>;
+		interrupts = <35>;
+	};
 };
diff --git a/board/synopsys/Kconfig b/board/synopsys/nsim/Kconfig
similarity index 74%
rename from board/synopsys/Kconfig
rename to board/synopsys/nsim/Kconfig
index 27e5509b26..22287032bf 100644
--- a/board/synopsys/Kconfig
+++ b/board/synopsys/nsim/Kconfig
@@ -1,5 +1,8 @@
 if TARGET_NSIM
 
+config SYS_BOARD
+	default "nsim"
+
 config SYS_VENDOR
 	default "synopsys"
 
diff --git a/board/synopsys/nsim/MAINTAINERS b/board/synopsys/nsim/MAINTAINERS
new file mode 100644
index 0000000000..ed4b9a9e78
--- /dev/null
+++ b/board/synopsys/nsim/MAINTAINERS
@@ -0,0 +1,6 @@
+EM DEVELOPMENT KIT BOARD
+M:	Alexey Brodkin <abrodkin@synopsys.com>
+S:	Maintained
+F:	arch/arc/dts/nsim.dts
+F:	board/synopsys/nsim/
+F:	configs/nsim_*_defconfig
diff --git a/board/synopsys/nsim/Makefile b/board/synopsys/nsim/Makefile
new file mode 100644
index 0000000000..6aaffffa73
--- /dev/null
+++ b/board/synopsys/nsim/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2020 Synopsys, Inc. All rights reserved.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	+= nsim.o
diff --git a/board/synopsys/nsim/nsim.c b/board/synopsys/nsim/nsim.c
new file mode 100644
index 0000000000..f384f707f6
--- /dev/null
+++ b/board/synopsys/nsim/nsim.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Synopsys, Inc. All rights reserved.
+ */
+
+#include <common.h>
+#include <dm/device.h>
+#include <virtio_types.h>
+#include <virtio.h>
+
+int board_early_init_r(void)
+{
+	/*
+	 * Make sure virtio bus is enumerated so that peripherals
+	 * on the virtio bus can be discovered by their drivers
+	 */
+	virtio_init();
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("Board: ARC virtual or prototyping platform\n");
+	return 0;
+};
diff --git a/configs/nsim_hs38_defconfig b/configs/nsim_hs38_defconfig
index ce68de3251..6cd01a505b 100644
--- a/configs/nsim_hs38_defconfig
+++ b/configs/nsim_hs38_defconfig
@@ -9,14 +9,23 @@ CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttyS0,115200n8"
+CONFIG_BOARD_EARLY_INIT_R=y
 CONFIG_SYS_PROMPT="nsim# "
+CONFIG_CMD_DM=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
 CONFIG_DEFAULT_DEVICE_TREE="nsim"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
+CONFIG_BLK=y
+CONFIG_HAVE_BLOCK_DEVICE=y
+CONFIG_DM_ETH=y
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_NET=y
+CONFIG_VIRTIO_BLK=y
 CONFIG_USE_PRIVATE_LIBGCC=y
-- 
2.16.2


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http://lists.infradead.org/mailman/listinfo/linux-snps-arc

^ permalink raw reply	[flat|nested] 4+ messages in thread

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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-01-20 10:46 [PATCH 0/3] Improvements for ARC simulation platform Alexey Brodkin
2020-01-20 10:46 ` [PATCH 1/3] ARC: nSIM: switch from ARC UART to DW UART Alexey Brodkin
2020-01-20 10:46 ` [PATCH 2/3] ARC: nsim_{700|700be|hs38be}_defconfigs: Disable networking Alexey Brodkin
2020-01-20 10:46 ` [PATCH 3/3] ARC: nsim_hs38: Add support of Virtio NET & BLK Alexey Brodkin

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