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ARC: nsim_hs38: Add support of Virtio NET & BLK

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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.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2019-12-26 14:47:42 +03:00
parent 1a1383f367
commit 95f7103f94
7 changed files with 77 additions and 2 deletions
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4
arch/arc/Kconfig
View file

@ -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

24
arch/arc/dts/nsim.dts
View file

@ -30,4 +30,28 @@
clock-frequency = <70000000>;
};
virtio0: virtio@f0100000 {
compatible = "virtio,mmio";
reg = <0xf0100000 0x2000>;
};
virtio1: virtio@f0102000 {
compatible = "virtio,mmio";
reg = <0xf0102000 0x2000>;
};
virtio2: virtio@f0104000 {
compatible = "virtio,mmio";
reg = <0xf0104000 0x2000>;
};
virtio3: virtio@f0106000 {
compatible = "virtio,mmio";
reg = <0xf0106000 0x2000>;
};
virtio4: virtio@f0108000 {
compatible = "virtio,mmio";
reg = <0xf0108000 0x2000>;
};
};

3
board/synopsys/Kconfig → board/synopsys/nsim/Kconfig
View file

@ -1,5 +1,8 @@
if TARGET_NSIM
config SYS_BOARD
default "nsim"
config SYS_VENDOR
default "synopsys"

6
board/synopsys/nsim/MAINTAINERS Normal file
View file

@ -0,0 +1,6 @@
ARC SIMULATION & PROTOTYPING PLATFORMS
M: Alexey Brodkin <abrodkin@synopsys.com>
S: Maintained
F: arch/arc/dts/nsim.dts
F: board/synopsys/nsim/
F: configs/nsim_*_defconfig

7
board/synopsys/nsim/Makefile Normal file
View file

@ -0,0 +1,7 @@
#
# Copyright (C) 2020 Synopsys, Inc. All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += nsim.o

26
board/synopsys/nsim/nsim.c Normal file
View file

@ -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;
};

9
configs/nsim_hs38_defconfig
View file

@ -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