riscv: Add Microchip MPFS Icicle board support
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@microchip.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
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@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 */