mpc83xx: Add gazerbeam board

The gdsys gazerbeam board is based on a Freescale MPC8308 SOC.
It boots from NOR-Flash, kernel and rootfs are stored on
SD-Card.

On board peripherals include:
- 2x 10/100 Mbit/s Ethernet (optional)

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Mario Six <mario.six@gdsys.cc>

1 files changed, 137 insertions, 0 deletions

diff --git a/include/configs/gazerbeam.h b/include/configs/gazerbeam.h
new file mode 100644
index 0000000..11d367a
--- /dev/null
+++ b/include/configs/gazerbeam.h
@@ -0,0 +1,137 @@
+/*
+ * (C) Copyright 2015
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * DDR Setup
+ */
+#define CONFIG_SYS_SDRAM_BASE		0x00000000 /* DDR is system memory */
+/* TODO: Check: Can this be unified with CONFIG_SYS_SDRAM_BASE? */
+#define CONFIG_SYS_DDR_SDRAM_BASE	CONFIG_SYS_SDRAM_BASE
+
+/*
+ * Memory test
+ * TODO: Migrate!
+ */
+#define CONFIG_SYS_MEMTEST_START	0x00001000 /* memtest region */
+#define CONFIG_SYS_MEMTEST_END		0x07e00000
+
+/*
+ * The reserved memory
+ */
+#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_TEXT_BASE /* start of monitor */
+
+#define CONFIG_SYS_MONITOR_LEN	(512 * 1024) /* Reserve 512 kB for Mon */
+#define CONFIG_SYS_MALLOC_LEN	(512 * 1024) /* Reserved for malloc */
+
+/*
+ * Initial RAM Base Address Setup
+ */
+#define CONFIG_SYS_INIT_RAM_LOCK
+#define CONFIG_SYS_INIT_RAM_ADDR	0xE6000000 /* Initial RAM address */
+#define CONFIG_SYS_INIT_RAM_SIZE	0x1000 /* Size of used area in RAM */
+#define CONFIG_SYS_GBL_DATA_OFFSET	\
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+
+/*
+ * FLASH on the Local Bus
+ */
+#define CONFIG_SYS_FLASH_BASE		0xFE000000 /* FLASH base address */
+#define CONFIG_SYS_FLASH_SIZE		8 /* FLASH size is up to 8M */
+
+#define CONFIG_SYS_MAX_FLASH_BANKS	1 /* number of banks */
+#define CONFIG_SYS_MAX_FLASH_SECT	135
+
+#define CONFIG_SYS_BAUDRATE_TABLE  \
+	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
+
+/*
+ * Environment
+ */
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + \
+				 CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_ENV_SECT_SIZE	0x10000 /* 64K(one sector) for env */
+#define CONFIG_ENV_SIZE		0x2000
+#define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	CONFIG_ENV_SIZE
+
+#define CONFIG_LOADS_ECHO		/* echo on for serial download */
+#define CONFIG_SYS_LOADS_BAUD_CHANGE	/* allow baudrate change */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LOAD_ADDR		0x2000000 /* default load address */
+#define CONFIG_SYS_HZ		1000	/* decrementer freq: 1ms ticks */
+
+#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)
+#define CONFIG_SYS_MAXARGS	16	/* max number of command args */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 256 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* Initial Memory map for Linux */
+
+/*
+ * Environment Configuration
+ */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_HAS_ETH0
+#define CONFIG_HAS_ETH1
+
+#define CONFIG_LOADADDR	800000	/* default location for tftp and bootm */
+
+/* TODO: Turn into string option and migrate to Kconfig */
+#define CONFIG_HOSTNAME		"gazerbeam"
+#define CONFIG_ROOTPATH		"/opt/nfsroot"
+#define CONFIG_BOOTFILE		"uImage"
+
+#define CONFIG_PREBOOT		/* enable preboot variable */
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"consoledev=ttyS1\0"						\
+	"u-boot=u-boot.bin\0"						\
+	"kernel_addr=1000000\0"					\
+	"fdt_addr=C00000\0"						\
+	"fdtfile=hrcon.dtb\0"				\
+	"load=tftp ${loadaddr} ${u-boot}\0"				\
+	"update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE)	\
+		" +${filesize};era " __stringify(CONFIG_SYS_MONITOR_BASE)\
+		" +${filesize};cp.b ${fileaddr} "			\
+		__stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0"	\
+	"upd=run load update\0"						\
+
+#define CONFIG_NFSBOOTCOMMAND						\
+	"setenv bootargs root=/dev/nfs rw "				\
+	"nfsroot=$serverip:$rootpath "					\
+	"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
+	"console=$consoledev,$baudrate $othbootargs;"			\
+	"tftp ${kernel_addr} $bootfile;"				\
+	"tftp ${fdt_addr} $fdtfile;"					\
+	"bootm ${kernel_addr} - ${fdt_addr}"
+
+#define CONFIG_MMCBOOTCOMMAND						\
+	"setenv bootargs root=/dev/mmcblk0p3 rw rootwait "		\
+	"console=$consoledev,$baudrate $othbootargs;"			\
+	"ext2load mmc 0:2 ${kernel_addr} $bootfile;"			\
+	"ext2load mmc 0:2 ${fdt_addr} $fdtfile;"			\
+	"bootm ${kernel_addr} - ${fdt_addr}"
+
+#define CONFIG_BOOTCOMMAND		CONFIG_MMCBOOTCOMMAND
+
+#endif	/* __CONFIG_H */