[U-Boot] [PATCH] riscv:Add Microchip MPFS Icicle Board support
Padmarao Begari
padmarao.begari at microchip.com
Wed Apr 17 17:19:06 UTC 2019
This patch adds Microchip MPFS Icicle Board support.
For now, NS16550 serial driver is only enabled.
The Microchip MPFS Icicle defconfig by default builds
U-Boot for M-Mode with SMP support.
Signed-off-by: Padmarao Begari <padmarao.begari at microchip.com>
---
arch/riscv/Kconfig | 4 ++
board/microchip/mpfs-icicle/Kconfig | 20 ++++++++++
board/microchip/mpfs-icicle/MAINTAINERS | 7 ++++
board/microchip/mpfs-icicle/Makefile | 7 ++++
board/microchip/mpfs-icicle/mpfs-icicle.c | 31 +++++++++++++++
configs/microchip-mpfs-icicle_defconfig | 16 ++++++++
include/configs/microchip-mpfs-icicle.h | 63 +++++++++++++++++++++++++++++++
7 files changed, 148 insertions(+)
create mode 100644 board/microchip/mpfs-icicle/Kconfig
create mode 100644 board/microchip/mpfs-icicle/MAINTAINERS
create mode 100644 board/microchip/mpfs-icicle/Makefile
create mode 100644 board/microchip/mpfs-icicle/mpfs-icicle.c
create mode 100644 configs/microchip-mpfs-icicle_defconfig
create mode 100644 include/configs/microchip-mpfs-icicle.h
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index ae8ff7b..df9b2ea 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -17,12 +17,16 @@ config TARGET_QEMU_VIRT
config TARGET_SIFIVE_FU540
bool "Support SiFive FU540 Board"
+config TARGET_MICROCHIP_MPFS
+ bool "Support Microchip PolarFire-SoC Icicle Board"
+
endchoice
# board-specific options below
source "board/AndesTech/ax25-ae350/Kconfig"
source "board/emulation/qemu-riscv/Kconfig"
source "board/sifive/fu540/Kconfig"
+source "board/microchip/mpfs-icicle/Kconfig"
# platform-specific options below
source "arch/riscv/cpu/ax25/Kconfig"
diff --git a/board/microchip/mpfs-icicle/Kconfig b/board/microchip/mpfs-icicle/Kconfig
new file mode 100644
index 0000000..e17ba78
--- /dev/null
+++ b/board/microchip/mpfs-icicle/Kconfig
@@ -0,0 +1,20 @@
+if TARGET_MICROCHIP_MPFS
+
+config SYS_BOARD
+ default "mpfs-icicle"
+
+config SYS_VENDOR
+ default "microchip"
+
+config SYS_CPU
+ default "generic"
+
+config SYS_CONFIG_NAME
+ default "microchip-mpfs-icicle"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select GENERIC_RISCV
+ imply SMP
+
+endif
diff --git a/board/microchip/mpfs-icicle/MAINTAINERS b/board/microchip/mpfs-icicle/MAINTAINERS
new file mode 100644
index 0000000..9987efe
--- /dev/null
+++ b/board/microchip/mpfs-icicle/MAINTAINERS
@@ -0,0 +1,7 @@
+Microchip MPFS icicle
+M: Padmarao Begari <padmarao.begari at microchip.com>
+M: Cyril Jean <cyril.jean at microchip.com>
+S: Maintained
+F: board/microchip/mpfs-icicle/
+F: include/configs/microchip-mpfs-icicle.h
+F: configs/microchip-mpfs-icicle_defconfig
diff --git a/board/microchip/mpfs-icicle/Makefile b/board/microchip/mpfs-icicle/Makefile
new file mode 100644
index 0000000..4706586
--- /dev/null
+++ b/board/microchip/mpfs-icicle/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2019 Microchip Technology Inc.
+# Padmarao Begari <padmarao.begari at microchip.com>
+#
+
+obj-y += mpfs-icicle.o
diff --git a/board/microchip/mpfs-icicle/mpfs-icicle.c b/board/microchip/mpfs-icicle/mpfs-icicle.c
new file mode 100644
index 0000000..5a23a7d
--- /dev/null
+++ b/board/microchip/mpfs-icicle/mpfs-icicle.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari at microchip.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/io.h>
+
+#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
+
+int board_init(void)
+{
+ /* For now nothing to do here. */
+
+ return 0;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+ unsigned int val;
+ /* Reset uart peripheral */
+ val = readl(MPFS_SYSREG_SOFT_RESET);
+ val = (val & ~(1u << 5u));
+ writel(val, MPFS_SYSREG_SOFT_RESET);
+
+ return 0;
+}
+#endif
diff --git a/configs/microchip-mpfs-icicle_defconfig b/configs/microchip-mpfs-icicle_defconfig
new file mode 100644
index 0000000..2d1bd4a
--- /dev/null
+++ b/configs/microchip-mpfs-icicle_defconfig
@@ -0,0 +1,16 @@
+CONFIG_RISCV=y
+CONFIG_SYS_TEXT_BASE=0x80000000
+CONFIG_ARCH_RV64I=y
+CONFIG_NR_CPUS=5
+CONFIG_TARGET_MICROCHIP_MPFS=y
+CONFIG_BOOTDELAY=3
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_SYS_PROMPT="RISC-V # "
+CONFIG_FIT=y
+CONFIG_DM=y
+CONFIG_BAUDRATE=57600
+CONFIG_DM_SERIAL=y
+CONFIG_SYS_NS16550=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_OF_PRIOR_STAGE=y
+CONFIG_BOARD_EARLY_INIT_F=y
diff --git a/include/configs/microchip-mpfs-icicle.h b/include/configs/microchip-mpfs-icicle.h
new file mode 100644
index 0000000..82c7fbb
--- /dev/null
+++ b/include/configs/microchip-mpfs-icicle.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2019 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari at microchip.com>
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * CPU and Board Configuration Options
+ */
+#define CONFIG_BOOTP_SEND_HOSTNAME
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
+
+/*
+ * Print Buffer Size
+ */
+#define CONFIG_SYS_PBSIZE \
+ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/*
+ * max number of command args
+ */
+#define CONFIG_SYS_MAXARGS 16
+
+/*
+ * Boot Argument Buffer Size
+ */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/*
+ * Size of malloc() pool
+ * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
+ */
+#define CONFIG_SYS_MALLOC_LEN (512 << 10)
+
+/*
+ * Physical Memory Map
+ */
+#define PHYS_SDRAM_0 0x80000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_0_SIZE 0x40000000 /* 1 GB */
+#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
+
+/* Init Stack Pointer */
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x200000)
+
+#define CONFIG_SYS_LOAD_ADDR 0x80000000 /* SDRAM */
+
+/*
+ * memtest works on DRAM
+ */
+#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
+#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
+
+/* When we use RAM as ENV */
+#define CONFIG_ENV_SIZE 0x2000
+
+#endif /* __CONFIG_H */
--
2.7.4
More information about the U-Boot
mailing list