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>
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 */