A4M072: Added support for the board.

This patch provides support for the A4M072 board with the following features:
 UART
 NOR flash
 FEC Ethernet
 External SRAM
 I2C EEPROM
 CompactFlash cards on IDE/ATA port
 USB Host
 PCI initialization

The 7-segment LED indicator is not yet supported.

Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>

2 files changed, 379 insertions, 1 deletions

diff --git a/include/configs/a4m072.h b/include/configs/a4m072.h
new file mode 100644
index 0000000..ffa5621
--- /dev/null
+++ b/include/configs/a4m072.h
@@ -0,0 +1,377 @@
+/*
+ * (C) Copyright 2003-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2010
+ * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
+ *
+ * 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
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
+#define CONFIG_MPC5200		1	/* (more precisely a MPC5200 CPU) */
+#define CONFIG_A4M072		1	/* ... on A4M072 board */
+#define CONFIG_MPC5200_DDR	1	/* ... use DDR RAM */
+
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_SYS_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */
+
+#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH  */
+#define BOOTFLAG_WARM		0x02	/* Software reboot	     */
+
+#define CONFIG_HIGH_BATS	1	/* High BATs supported */
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE	1	/* console is on PSC1 */
+#define CONFIG_BAUDRATE		9600	/* ... at 9600 bps */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
+/* define to enable silent console */
+#define CONFIG_SILENT_CONSOLE
+#define CONFIG_SYS_DEVICE_NULLDEV	1	/* include nulldev device */
+
+/*
+ * PCI Mapping:
+ * 0x40000000 - 0x4fffffff - PCI Memory
+ * 0x50000000 - 0x50ffffff - PCI IO Space
+ */
+#define CONFIG_PCI
+
+#if defined(CONFIG_PCI)
+#define CONFIG_PCI_PNP		1
+#define CONFIG_PCI_SCAN_SHOW	1
+#define CONFIG_PCIAUTO_SKIP_HOST_BRIDGE	1
+
+#define CONFIG_PCI_MEM_BUS	0x40000000
+#define CONFIG_PCI_MEM_PHYS	CONFIG_PCI_MEM_BUS
+#define CONFIG_PCI_MEM_SIZE	0x10000000
+
+#define CONFIG_PCI_IO_BUS	0x50000000
+#define CONFIG_PCI_IO_PHYS	CONFIG_PCI_IO_BUS
+#define CONFIG_PCI_IO_SIZE	0x01000000
+#endif
+
+#define CONFIG_SYS_XLB_PIPELINING	1
+
+#undef CONFIG_NET_MULTI
+#undef CONFIG_EEPRO100 
+
+/* Partitions */
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
+/* USB */
+#define CONFIG_USB_OHCI_NEW
+#define CONFIG_USB_STORAGE
+#define CONFIG_SYS_OHCI_BE_CONTROLLER
+#undef CONFIG_SYS_USB_OHCI_BOARD_INIT
+#define CONFIG_SYS_USB_OHCI_CPU_INIT	1
+#define CONFIG_SYS_USB_OHCI_REGS_BASE	MPC5XXX_USB
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME	"mpc5200"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	15
+
+#define	CONFIG_TIMESTAMP		/* Print image info with timestamp */
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_EEPROM
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_NFS
+#define CONFIG_CMD_SNTP
+#define CONFIG_CMD_USB
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+
+#if defined(CONFIG_PCI)
+#define CONFIG_CMD_PCI
+#endif
+
+#if (TEXT_BASE == 0xFE000000)		/* Boot low with 32 MB Flash */
+#define CONFIG_SYS_LOWBOOT		1
+#define CONFIG_SYS_LOWBOOT32		1
+#endif
+
+/*
+ * Autobooting
+ */
+#define CONFIG_BOOTDELAY	2	/* autoboot after 2 seconds */
+
+#define CONFIG_SYS_AUTOLOAD	"n"
+
+#define CONFIG_AUTOBOOT_KEYED
+#define CONFIG_AUTOBOOT_PROMPT		"autoboot in %d seconds\n", bootdelay
+#define CONFIG_AUTOBOOT_DELAY_STR	"asdfg"
+
+#undef	CONFIG_BOOTARGS
+#define CONFIG_PREBOOT				"run try_update"
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"bk=run add_mtd ; run add_consolespec ; bootm 200000\0"	\
+	"cf1=diskboot 200000 0:1\0"	\
+	"bootcmd_cf1=run bcf1\0"	\
+	"bcf=setenv bootargs root=/dev/hda3\0"	\
+	"bootcmd_nfs=run bnfs\0"	\
+	"norargs=setenv bootargs root=/dev/mtdblock3 rootfstype=cramfs\0"	\
+	"bootcmd_nor=cp.b ${kernel_addr} 200000 100000; run norargs addip; run bk\0"	\
+	"bnfs=nfs 200000 ${rootpath}/boot/uImage ; run nfsargs addip ; run bk\0"	\
+	"nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath}\0"	\
+	"try_update=usb start;sleep 2;usb start;sleep 1;fatload usb 0 2F0000 PCPUUPDT 2FF;usb stop;source 2F0000\0"	\
+	"env_addr=FE060000\0"	\
+	"kernel_addr=FE100000\0"	\
+	"rootfs_addr=FE200000\0"	\
+	"add_mtd=setenv bootargs ${bootargs} mtdparts=phys_mapped_flash:384k(u),640k(e),1m(k),30m(r)\0"	\
+	"bcf1=run cf1; run bcf; run addip; run bk\0"	\
+	"add_consolespec=setenv bootargs ${bootargs} console=/dev/null quiet\0"	\
+	"addip=if test \"${ethaddr}\" != \"00:00:00:00:00:00\" ; then if test -n ${ipaddr}; then setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}:${netdev}:off panic=1; fi ; fi\0"	\
+	"hostname=CPUP0\0"	\
+	"ethaddr=00:00:00:00:00:00\0"	\
+	"netdev=eth0\0"	\
+	"bootcmd=run bootcmd_nor\0" \
+	""
+/*
+ * IPB Bus clocking configuration.
+ */
+#undef CONFIG_SYS_IPBCLK_EQUALS_XLBCLK		/* define for 133MHz speed */
+
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C			1	/* I2C with hardware support */
+#define CONFIG_SYS_I2C_MODULE		2	/* Select I2C module #1 or #2 */
+
+#define CONFIG_SYS_I2C_SPEED		100000 /* 100 kHz */
+#define CONFIG_SYS_I2C_SLAVE		0x7F
+
+/*
+ * EEPROM configuration
+ */
+#define CONFIG_SYS_I2C_EEPROM_ADDR		0x52	/* 1010010x */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		2
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
+#define CONFIG_SYS_EEPROM_WREN			1
+#define CONFIG_SYS_EEPROM_WP			GPIO_PSC2_4
+
+/*
+ * Flash configuration
+ */
+#define CONFIG_SYS_FLASH_BASE		0xFE000000
+#define CONFIG_SYS_FLASH_SIZE		0x02000000
+#if !defined(CONFIG_SYS_LOWBOOT)
+#error "CONFIG_SYS_LOWBOOT not defined?"
+#else	/* CONFIG_SYS_LOWBOOT */
+#if defined(CONFIG_SYS_LOWBOOT32)
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x00060000)
+#endif
+#endif	/* CONFIG_SYS_LOWBOOT */
+
+#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max num of memory banks      */
+#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max num of sects on one chip */
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_CS0_START}
+
+/*
+ * Environment settings
+ */
+#define CONFIG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_SIZE		0x10000
+#define CONFIG_ENV_SECT_SIZE	0x20000
+#define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	CONFIG_ENV_SIZE
+
+#define CONFIG_ENV_OVERWRITE	1
+
+/*
+ * Memory map
+ */
+#define CONFIG_SYS_MBAR		0xF0000000
+#define CONFIG_SYS_SDRAM_BASE	0x00000000
+#define CONFIG_SYS_DEFAULT_MBAR	0x80000000
+
+/* Use SRAM until RAM will be available */
+#define CONFIG_SYS_INIT_RAM_ADDR	MPC5XXX_SRAM
+#define CONFIG_SYS_INIT_RAM_END		MPC5XXX_SRAM_SIZE	/* End of used area in DPRAM */
+
+
+#define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+#define CONFIG_SYS_MONITOR_BASE    TEXT_BASE
+#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
+#   define CONFIG_SYS_RAMBOOT		1
+#endif
+
+#define CONFIG_SYS_MONITOR_LEN		(384 << 10)	/* Reserve 384 kB for Monitor	*/
+#define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
+#define CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC5xxx_FEC	1
+#define CONFIG_MPC5xxx_FEC_MII100
+/*
+ * Define CONFIG_MPC5xxx_FEC_MII10 to force FEC at 10Mb
+ */
+/* #define CONFIG_MPC5xxx_FEC_MII10 */
+#define CONFIG_PHY_ADDR		0x1f
+#define CONFIG_PHY_TYPE		0x79c874		/* AMD Phy Controller */
+
+/*
+ * GPIO configuration
+ */
+#define CONFIG_SYS_GPS_PORT_CONFIG	0x10000004
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_CMDLINE_EDITING	1
+#ifdef CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#endif
+#define CONFIG_SYS_LONGHELP			/* undef to save memory	    */
+#define CONFIG_SYS_PROMPT		"=> "	/* Monitor Command Prompt   */
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_SYS_CBSIZE		1024	/* Console I/O Buffer Size  */
+#else
+#define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size  */
+#endif
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)	/* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
+
+#define CONFIG_SYS_MEMTEST_START	0x00100000	/* memtest works on */
+#define CONFIG_SYS_MEMTEST_END		0x00f00000	/* 1 ... 15 MB in DRAM	*/
+
+#define CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address */
+
+#define CONFIG_SYS_HZ			1000	/* decrementer freq: 1 ms ticks */
+
+#define CONFIG_SYS_CACHELINE_SIZE	32	/* For MPC5xxx CPUs */
+#if defined(CONFIG_CMD_KGDB)
+#  define CONFIG_SYS_CACHELINE_SHIFT	5	/* log base 2 of the above value */
+#endif
+
+
+/*
+ * Various low-level settings
+ */
+#define CONFIG_SYS_HID0_INIT		HID0_ICE | HID0_ICFI
+#define CONFIG_SYS_HID0_FINAL		HID0_ICE
+/* Flash at CSBoot, CS0 */
+#define CONFIG_SYS_BOOTCS_START		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_BOOTCS_SIZE		CONFIG_SYS_FLASH_SIZE
+#define CONFIG_SYS_BOOTCS_CFG		0x0002DD00
+#define CONFIG_SYS_CS0_START		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_CS0_SIZE		CONFIG_SYS_FLASH_SIZE
+/* External SRAM at CS1 */
+#define CONFIG_SYS_CS1_START		0x62000000
+#define CONFIG_SYS_CS1_SIZE		0x00400000
+#define CONFIG_SYS_CS1_CFG		0x00009930
+#define CONFIG_SYS_SRAM_BASE		CONFIG_SYS_CS1_START
+#define CONFIG_SYS_SRAM_SIZE		CONFIG_SYS_CS1_SIZE
+
+
+#define CONFIG_SYS_CS_BURST		0x00000000
+#define CONFIG_SYS_CS_DEADCYCLE		0x33333003
+
+#define CONFIG_SYS_RESET_ADDRESS	0xff000000
+
+/*-----------------------------------------------------------------------
+ * USB stuff
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_USB_CLOCK	0x0001BBBB
+#define CONFIG_USB_CONFIG	0x00001000 /* 0x4000 for SE mode */
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff Supports IDE harddisk
+ *-----------------------------------------------------------------------
+ */
+
+#undef  CONFIG_IDE_8xx_PCCARD		/* Use IDE with PC Card	Adapter	*/
+
+#undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
+#undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
+
+#define CONFIG_IDE_PREINIT
+
+#define CONFIG_SYS_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
+#define CONFIG_SYS_IDE_MAXDEVICE	1	/* max. 2 drives per IDE bus	*/
+
+#define CONFIG_SYS_ATA_IDE0_OFFSET	0x0000
+
+#define CONFIG_SYS_ATA_BASE_ADDR	MPC5XXX_ATA
+
+/* Offset for data I/O			*/
+#define CONFIG_SYS_ATA_DATA_OFFSET	(0x0060)
+
+/* Offset for normal register accesses	*/
+#define CONFIG_SYS_ATA_REG_OFFSET	(CONFIG_SYS_ATA_DATA_OFFSET)
+
+/* Offset for alternate registers	*/
+#define CONFIG_SYS_ATA_ALT_OFFSET	(0x005C)
+
+/* Interval between registers                                                */
+#define CONFIG_SYS_ATA_STRIDE          4
+
+#define CONFIG_ATAPI                   1
+
+/*-----------------------------------------------------------------------
+ * Open firmware flat tree support
+ *-----------------------------------------------------------------------
+ */
+#define CONFIG_OF_LIBFDT	1
+#define CONFIG_OF_BOARD_SETUP	1
+
+#define OF_CPU			"PowerPC,5200@0"
+#define OF_SOC			"soc5200@f0000000"
+#define OF_TBCLK		(bd->bi_busfreq / 4)
+#define OF_STDOUT_PATH		"/soc5200@f0000000/serial@2000"
+
+#endif /* __CONFIG_H */
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h
index 2d343c7..859d696 100644
--- a/include/mpc5xxx.h
+++ b/include/mpc5xxx.h
@@ -160,11 +160,12 @@
 #define MPC5XXX_WU_GPIO_DATA_O  (MPC5XXX_WU_GPIO + 0x000c)
 #define MPC5XXX_WU_GPIO_DATA_I  (MPC5XXX_WU_GPIO + 0x0020)
 
-/* GPIO pins */
+/* GPIO pins, for Rev.B chip */
 #define GPIO_WKUP_7		0x80000000UL
 #define GPIO_PSC6_0		0x10000000UL
 #define GPIO_PSC3_9		0x04000000UL
 #define GPIO_PSC1_4		0x01000000UL
+#define GPIO_PSC2_4		0x02000000UL
 
 #define MPC5XXX_GPIO_SIMPLE_PSC6_3   0x20000000UL
 #define MPC5XXX_GPIO_SIMPLE_PSC6_2   0x10000000UL