aspeed: Board init functions and common configs for ast2500 based boards
Add configuration file with parameters that are very likely to be shared by
all ast2500-based boards.
Add ast2500-board.c file with the init code that is very likely to be
shared by all ast2500-based boards.
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/aspeed-common.h b/include/configs/aspeed-common.h
new file mode 100644
index 0000000..93b57d4
--- /dev/null
+++ b/include/configs/aspeed-common.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2012-2020 ASPEED Technology Inc.
+ * Ryan Chen <ryan_chen@aspeedtech.com>
+ *
+ * Copyright 2016 IBM Corporation
+ * (C) Copyright 2016 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __AST_COMMON_CONFIG_H
+#define __AST_COMMON_CONFIG_H
+
+/* Misc CPU related */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+#define CONFIG_CMDLINE_EDITING
+
+/* Enable cache controller */
+#define CONFIG_SYS_DCACHE_OFF
+
+#define CONFIG_SYS_SDRAM_BASE 0x80000000
+
+#ifdef CONFIG_PRE_CON_BUF_SZ
+#define CONFIG_SYS_INIT_RAM_ADDR (0x1e720000 + CONFIG_PRE_CON_BUF_SZ)
+#define CONFIG_SYS_INIT_RAM_SIZE (36*1024 - CONFIG_PRE_CON_BUF_SZ)
+#else
+#define CONFIG_SYS_INIT_RAM_ADDR (0x1e720000)
+#define CONFIG_SYS_INIT_RAM_SIZE (36*1024)
+#endif
+
+#define SYS_INIT_RAM_END (CONFIG_SYS_INIT_RAM_ADDR \
+ + CONFIG_SYS_INIT_RAM_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR (SYS_INIT_RAM_END \
+ - GENERATED_GBL_DATA_SIZE)
+
+#define CONFIG_NR_DRAM_BANKS 1
+
+#define CONFIG_SYS_MALLOC_LEN (32 << 20)
+
+/*
+ * NS16550 Configuration
+ */
+#define CONFIG_BAUDRATE 115200
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+#define CONFIG_BOOTP_SUBNETMASK
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_CBSIZE 256
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
+ + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+#define CONFIG_BOOTARGS \
+ "console=ttyS4,115200n8" \
+ " root=/dev/ram rw"
+
+#define CONFIG_BOOTCOMMAND "bootm 20080000 20300000"
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "verify=yes\0" \
+ "spi_dma=yes\0" \
+ ""
+
+#endif /* __AST_COMMON_CONFIG_H */