openrisc: Add openrisc-generic example board

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>

1 files changed, 158 insertions, 0 deletions

diff --git a/include/configs/openrisc-generic.h b/include/configs/openrisc-generic.h
new file mode 100644
index 0000000..5ff410d
--- /dev/null
+++ b/include/configs/openrisc-generic.h
@@ -0,0 +1,158 @@
+/*
+ * (C) Copyright 2011, Stefan Kristiansson, stefan.kristianssons@saunalahti.fi
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * BOARD/CPU
+ */
+
+#define CONFIG_SYS_CLK_FREQ		50000000
+#define CONFIG_SYS_RESET_ADDR		0x00000100
+
+#define CONFIG_SYS_SDRAM_BASE		0x00000000
+#define CONFIG_SYS_SDRAM_SIZE		0x02000000
+
+#define CONFIG_SYS_CACHELINE_SIZE	16
+
+#define CONFIG_SYS_UART_BASE		0x90000000
+#define CONFIG_SYS_UART_FREQ		CONFIG_SYS_CLK_FREQ
+#define CONFIG_SYS_UART_BAUD		115200
+
+#define CONFIG_BOARD_NAME		"OpenRISC Generic"
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_MAX_FLASH_SECT	0
+
+/*
+ * SERIAL
+ */
+# define CONFIG_SYS_NS16550
+# define CONFIG_SYS_NS16550_SERIAL
+# define CONFIG_SYS_NS16550_REG_SIZE	1
+# define CONFIG_CONS_INDEX		1
+# define CONFIG_SYS_NS16550_COM1	(0x90000000)
+# define CONFIG_SYS_NS16550_CLK		CONFIG_SYS_CLK_FREQ
+
+#define CONFIG_BAUDRATE			CONFIG_SYS_UART_BAUD
+#define CONFIG_SYS_BAUDRATE_TABLE	{CONFIG_BAUDRATE}
+#define CONFIG_SYS_CONSOLE_INFO_QUIET	/* Suppress console info */
+#define CONSOLE_ARG			"console=console=ttyS0,115200\0"
+
+/*
+ * Ethernet
+ */
+#define CONFIG_ETHOC
+#define CONFIG_SYS_ETHOC_BASE		0x92000000
+
+#define CONFIG_BOOTFILE			"boot.img"
+#define CONFIG_LOADADDR			0x100000 /* 1MB mark */
+
+/*
+ * TIMER
+ */
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_SYS_OPENRISC_TMR_HZ	100
+
+/*
+ * Memory organisation:
+ *
+ * RAM start ---------------------------
+ *           | ...                     |
+ *           ---------------------------
+ *           | Stack                   |
+ *           ---------------------------
+ *           | Global data             |
+ *           ---------------------------
+ *           | Environment             |
+ *           ---------------------------
+ *           | Monitor                 |
+ * RAM end   ---------------------------
+ */
+/* We're running in RAM */
+#define CONFIG_MONITOR_IS_IN_RAM
+#define CONFIG_SYS_MONITOR_LEN	0x40000	/* Reserve 256k */
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_SDRAM_BASE + \
+				CONFIG_SYS_SDRAM_SIZE - \
+				CONFIG_SYS_MONITOR_LEN)
+
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE		0x20000 /* Total Size of Environment, 128KB */
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
+
+/*
+ * Global data object and stack pointer
+ */
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_ENV_ADDR \
+					- GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_GBL_DATA_ADDR	CONFIG_SYS_GBL_DATA_OFFSET
+#define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_GBL_DATA_OFFSET
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+#define CONFIG_SYS_STACK_LENGTH		0x10000 /* 64KB */
+#define CONFIG_SYS_MALLOC_LEN		0x400000 /* 4MB */
+#define CONFIG_SYS_MALLOC_BASE		(CONFIG_SYS_INIT_SP_OFFSET \
+					- CONFIG_SYS_STACK_LENGTH \
+					- CONFIG_SYS_MALLOC_LEN)
+/*
+ * MISC
+ */
+#define CONFIG_SYS_LONGHELP		/* Provide extended help */
+#define CONFIG_SYS_PROMPT		"==> "	/* Command prompt	*/
+#define CONFIG_SYS_CBSIZE		256	/* Console I/O buf size */
+#define CONFIG_SYS_MAXARGS		16	/* Max command args	*/
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Bootarg buf size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + \
+					16)	/* Print buf size */
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_START	(CONFIG_SYS_SDRAM_BASE + 0x2000)
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_INIT_SP_ADDR - 0x20000)
+#define CONFIG_CMDLINE_EDITING
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_BSP
+
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+
+#define CONFIG_OF_LIBFDT
+#define CONFIG_LMB
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+
+#endif /* __CONFIG_H */