openrisc: Add openrisc-generic example board

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

board/openrisc/openrisc-generic/Makefile

+#
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS-y	:= $(BOARD).o
+
+SRCS	:= $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

board/openrisc/openrisc-generic/config.mk

+#
+# (C) Copyright 2011, Julius Baxter <julius@opencores.org>
+#
+# 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
+#
+
+PLATFORM_CPPFLAGS += -mhard-mul -mhard-div
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif

board/openrisc/openrisc-generic/openrisc-generic.c

+/*
+ * Based on nios2-generic.c:
+ * (C) Copyright 2005, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ * (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("BOARD: %s\n", CONFIG_BOARD_NAME);
+	return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+	return 0;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+#ifdef CONFIG_ETHOC
+	rc += ethoc_initialize(0, CONFIG_SYS_ETHOC_BASE);
+#endif
+	return rc;
+}
+#endif

board/openrisc/openrisc-generic/u-boot.lds

+#include <config.h>
+OUTPUT_ARCH(or32)
+__DYNAMIC  =  0;
+
+MEMORY
+{
+	vectors	: ORIGIN = 0, LENGTH = 0x2000
+	ram	: ORIGIN = CONFIG_SYS_MONITOR_BASE,
+		  LENGTH = CONFIG_SYS_MONITOR_LEN
+}
+
+SECTIONS
+{
+	.vectors :
+	{
+		*(.vectors)
+	} > vectors
+
+	__start = .;
+	.text : AT (__start) {
+		_stext = .;
+		*(.text)
+		_etext = .;
+		*(.lit)
+		*(.shdata)
+		_endtext = .;
+	}  > ram
+
+	 __u_boot_cmd_start = .;
+	 .u_boot_cmd : { *(.u_boot_cmd) } > ram
+	 __u_boot_cmd_end = .;
+
+	.rodata : {
+		*(.rodata);
+		*(.rodata.*)
+	} > ram
+
+	.shbss :
+	{
+		*(.shbss)
+	} > ram
+
+	.talias :
+	{
+	}  > ram
+
+	.data : {
+		sdata = .;
+		_sdata = .;
+		*(.data)
+		edata = .;
+		_edata = .;
+	} > ram
+
+	.bss :
+	{
+		_bss_start = .;
+		*(.bss)
+		*(COMMON)
+		_bss_end = .;
+	} > ram
+	__end = .;
+
+	/* No stack specification - done manually */
+
+	.stab  0 (NOLOAD) :
+	{
+		[ .stab ]
+	}
+
+	.stabstr  0 (NOLOAD) :
+	{
+		[ .stabstr ]
+	}
+}

boards.cfg

@@ -363,6 +363,7 @@ adp-ag101p                   nds32       n1213       adp-ag101p          AndesTe
 nios2-generic                nios2       nios2       nios2-generic       altera
 PCI5441                      nios2       nios2       pci5441             psyent
 PK1C20                       nios2       nios2       pk1c20              psyent
+openrisc-generic             openrisc    or1200      openrisc-generic    openrisc       -
 EVB64260                     powerpc     74xx_7xx    evb64260            -              -           EVB64260
 EVB64260_750CX               powerpc     74xx_7xx    evb64260            -              -           EVB64260
 P3G4                         powerpc     74xx_7xx    evb64260

include/configs/openrisc-generic.h

+/*
+ * (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 */