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
Reviewed-by: Bin Meng
---
Changes in V4
- Remove CONFIG_DISTRO_DEFAULTS from microchip_mpfs_icicle_defconfig
Changes in v3
- Fix some typos
- Remove CONFIG_DM, CONFIG_DM_SERIAL, CONFIG_BAUDRATE,
CONFIG_SYS_NS16550, CONFIG_SYS_TEXT_BASE and CONFIG_NR_DRAM_BANKS
from microchip_mpfs_icicle_defconfig
- Add config SYS_TEXT_BASE in board kconfig
- Imply SYS_NS16550 in BOARD_SPECIFIC_OPTIONS
- select BOARD_EARLY_INIT_F in BOARD_SPECIFIC_OPTIONS
Changes in v2
- Fix some typos
- Rename target board to TARGET_MICROCHIP_ICICLE
- select CONFIG_BOARD_EARLY_INIT_F in BOARD_SPECIFIC_OPTIONS
- Remove #ifdef CONFIG_BOARD_EARLY_INIT_F
---
arch/riscv/Kconfig| 4 ++
board/microchip/mpfs_icicle/Kconfig | 26 +
board/microchip/mpfs_icicle/MAINTAINERS | 7
board/microchip/mpfs_icicle/Makefile | 7
board/microchip/mpfs_icicle/mpfs_icicle.c | 30 +++
configs/microchip_mpfs_icicle_defconfig | 8
include/configs/microchip_mpfs_icicle.h | 63 +++
7 files changed, 145 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 0d04d91..8cfc7d0 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -11,6 +11,9 @@ choice
config TARGET_AX25_AE350
bool "Support ax25-ae350"
+config TARGET_MICROCHIP_ICICLE
+ bool "Support Microchip PolarFire-SoC Icicle Board"
+
config TARGET_QEMU_VIRT
bool "Support QEMU Virt Board"
@@ -48,6 +51,7 @@ config SPL_SYS_DCACHE_OFF
# board-specific options below
source "board/AndesTech/ax25-ae350/Kconfig"
source "board/emulation/qemu-riscv/Kconfig"
+source "board/microchip/mpfs_icicle/Kconfig"
source "board/sifive/fu540/Kconfig"
# platform-specific options below
diff --git a/board/microchip/mpfs_icicle/Kconfig
b/board/microchip/mpfs_icicle/Kconfig
new file mode 100644
index 000..bf8e1a1
--- /dev/null
+++ b/board/microchip/mpfs_icicle/Kconfig
@@ -0,0 +1,26 @@
+if TARGET_MICROCHIP_ICICLE
+
+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 SYS_TEXT_BASE
+ default 0x8000 if !RISCV_SMODE
+ default 0x8020 if RISCV_SMODE
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select GENERIC_RISCV
+ select BOARD_EARLY_INIT_F
+ imply SMP
+ imply SYS_NS16550
+
+endif
diff --git a/board/microchip/mpfs_icicle/MAINTAINERS
b/board/microchip/mpfs_icicle/MAINTAINERS
new file mode 100644
index 000..22f3b97
--- /dev/null
+++ b/board/microchip/mpfs_icicle/MAINTAINERS
@@ -0,0 +1,7 @@
+Microchip MPFS icicle
+M: Padmarao Begari
+M: Cyril Jean
+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 000..72b0410
--- /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
+#
+
+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 000..0ef2431
--- /dev/null
+++ b/board/microchip/mpfs_icicle/mpfs_icicle.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Microchip Technology Inc.
+ * Padmarao Begari
+ */
+
+#include
+#include
+#include
+
+#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
+
+int board_init(void)
+{
+ /* For now nothing to do here. */
+
+ return 0;
+}
+
+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;
+}
diff --git a/configs/microchip_mpfs_icicle_defconfig
b/configs/microchip_mpfs_icicle_defconfig
new file mode 100644
index 000..a375546
--- /dev/null
+++ b/configs/microchip_mpfs_icicle_defconfig
@@ -0,0 +1,8 @@
+CONFIG_RISCV=y
+CONFIG_ARCH_RV64I=y
+CONFIG_NR_CPUS=5
+CONFIG_TARGET_MICROCHIP_ICICLE=y
+CONFIG_BOOTDELAY=3
+CONFIG_SYS_PROMPT="RISC-V # "
+CONFIG_FIT=y
+CONFIG_OF
