mpc85xx: Add support for SBC8548 (updated)

Add support for Wind River's SBC8548 reference board.

Signed-off by: Joe Hamman <joe.hamman@embeddedspecialties.com>

3 files changed, 752 insertions, 0 deletions

diff --git a/board/sbc8548/u-boot.lds b/board/sbc8548/u-boot.lds
new file mode 100644
index 0000000..4cd177e
--- /dev/null
+++ b/board/sbc8548/u-boot.lds
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2004, 2007 Freescale Semiconductor.
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  .bootpg 0xFFFFF000 :
+  {
+    cpu/mpc85xx/start.o	(.bootpg)
+    board/sbc8548/init.o (.bootpg)
+  } = 0xffff
+
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    cpu/mpc85xx/start.o	(.text)
+    board/sbc8548/init.o (.text)
+    cpu/mpc85xx/traps.o (.text)
+    cpu/mpc85xx/interrupts.o (.text)
+    cpu/mpc85xx/cpu_init.o (.text)
+    cpu/mpc85xx/cpu.o (.text)
+    drivers/net/tsec.o (.text)
+    cpu/mpc85xx/speed.o (.text)
+    common/dlmalloc.o (.text)
+    lib_generic/crc32.o (.text)
+    lib_ppc/extable.o (.text)
+    lib_generic/zlib.o (.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+   }
+    _etext = .;
+    PROVIDE (etext = .);
+    .rodata    :
+   {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/doc/README.sbc8548 b/doc/README.sbc8548
new file mode 100644
index 0000000..b34d040
--- /dev/null
+++ b/doc/README.sbc8548
@@ -0,0 +1,27 @@
+Wind River SBC8548 reference board
+===========================
+
+Copyright 2007, Embedded Specialties, Inc.
+Copyright 2007 Wind River Systemes, Inc.
+-----------------------------
+
+1. Building U-Boot
+------------------
+The SBC8548 code is known to build using ELDK 4.1.
+
+    $ make sbc8548_config
+    Configuring for sbc8548 board...
+
+    $ make
+
+
+2. Switch and Jumper Settings
+-----------------------------
+All Jumpers & Switches are in their default positions.  Please refer to
+the board documentation for details.  Some settings control CPU voltages
+and settings may change with board revisions.
+
+3. Known limitations
+--------------------
+PCI:
+	The code to support PCI is currently disabled and has not been verified.
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
new file mode 100644
index 0000000..30d7b01
--- /dev/null
+++ b/include/configs/sbc8548.h
@@ -0,0 +1,576 @@
+/*
+ * Copyright 2007 Wind River Systems <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ * Copyright 2004, 2007 Freescale Semiconductor.
+ *
+ * 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
+ */
+
+/*
+ * sbc8548 board configuration file
+ *
+ * Please refer to doc/README.sbc85xx for more info.
+ *
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+#define CONFIG_BOOKE		1	/* BOOKE */
+#define CONFIG_E500		1	/* BOOKE e500 family */
+#define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
+#define CONFIG_MPC8548		1	/* MPC8548 specific */
+#define CONFIG_SBC8548		1	/* SBC8548 board specific */
+
+#undef CONFIG_PCI		/* enable any pci type devices */
+#undef CONFIG_PCI1		/* PCI controller 1 */
+#undef CONFIG_PCIE1		/* PCIE controler 1 (slot 1) */
+#undef CONFIG_RIO
+#undef CONFIG_PCI2
+#undef CONFIG_FSL_PCI_INIT		/* Use common FSL init code */
+
+#define CONFIG_TSEC_ENET		/* tsec ethernet support */
+#define CONFIG_ENV_OVERWRITE
+#undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup*/
+#define CONFIG_DDR_DLL			/* possible DLL fix needed */
+#define CONFIG_DDR_2T_TIMING		/* Sets the 2T timing bit */
+
+#undef CONFIG_DDR_ECC			/* only for ECC DDR module */
+#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
+#define CONFIG_MEM_INIT_VALUE		0xDeadBeef
+#define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */
+
+
+#define MPC85xx_DDR_SDRAM_CLK_CNTL	/* 85xx has clock control reg */
+
+#define CONFIG_SYS_CLK_FREQ	66000000 /* SBC8548 default SYSCLK */
+
+/*
+ * These can be toggled for performance analysis, otherwise use default.
+ */
+#define CONFIG_L2_CACHE			/* toggle L2 cache */
+#define CONFIG_BTB			/* toggle branch predition */
+#define CONFIG_ADDR_STREAMING		/* toggle addr streaming */
+#define CONFIG_CLEAR_LAW0		/* Clear LAW0 in cpu_init_r */
+
+/*
+ * Only possible on E500 Version 2 or newer cores.
+ */
+#define CONFIG_ENABLE_36BIT_PHYS	1
+
+#define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */
+
+#undef	CFG_DRAM_TEST			/* memory test, takes time */
+#define CFG_MEMTEST_START	0x00200000	/* memtest works on */
+#define CFG_MEMTEST_END		0x00400000
+
+/*
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ */
+#define CFG_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
+#define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
+#define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */
+
+#define CFG_PCI1_ADDR	(CFG_CCSRBAR+0x8000)
+#define CFG_PCI2_ADDR	(CFG_CCSRBAR+0x9000)
+#define CFG_PCIE1_ADDR	(CFG_CCSRBAR+0xa000)
+
+/*
+ * DDR Setup
+ */
+#define CFG_DDR_SDRAM_BASE	0x00000000	/* DDR is system memory*/
+#define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE
+
+#define SPD_EEPROM_ADDRESS	0x51		/* DDR DIMM */
+
+/*
+ * Make sure required options are set
+ */
+#ifndef CONFIG_SPD_EEPROM
+	#define CFG_SDRAM_SIZE	256		/* DDR is 256MB */
+#endif
+
+#undef CONFIG_CLOCKS_IN_MHZ
+
+/*
+ * FLASH on the Local Bus
+ * Two banks, one 8MB the other 64MB, using the CFI driver.
+ * Boot from BR0/OR0 bank at 0xff80_0000
+ * Alternate BR6/OR6 bank at 0xfb80_0000
+ *
+ * BR0:
+ *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
+ *    Port Size = 8 bits = BRx[19:20] = 01
+ *    Use GPCM = BRx[24:26] = 000
+ *    Valid = BRx[31] = 1
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0
+ *
+ * BR6:
+ *    Base address 6 = 0xfb80_0000 = BR6[0:16] = 1111 1011 1000 0000 0
+ *    Port Size = 32 bits = BRx[19:20] = 11
+ *    Use GPCM = BRx[24:26] = 000
+ *    Valid = BRx[31] = 1
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 1011 1000 0000 0001 1000 0000 0001 = fb801801    BR6
+ *
+ * OR0:
+ *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
+ *    XAM = OR0[17:18] = 11
+ *    CSNT = OR0[20] = 1
+ *    ACS = half cycle delay = OR0[21:22] = 11
+ *    SCY = 6 = OR0[24:27] = 0110
+ *    TRLX = use relaxed timing = OR0[29] = 1
+ *    EAD = use external address latch delay = OR0[31] = 1
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0
+ *
+ * OR6:
+ *    Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0
+ *    XAM = OR6[17:18] = 11
+ *    CSNT = OR6[20] = 1
+ *    ACS = half cycle delay = OR6[21:22] = 11
+ *    SCY = 6 = OR6[24:27] = 0110
+ *    TRLX = use relaxed timing = OR6[29] = 1
+ *    EAD = use external address latch delay = OR6[31] = 1
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR6
+ */
+
+#define CFG_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
+#define CFG_FLASH_BASE		CFG_BOOT_BLOCK	/* start of FLASH 16M */
+
+#define CFG_BR0_PRELIM		0xff800801
+#define CFG_BR6_PRELIM		0xfb801801
+
+#define	CFG_OR0_PRELIM		0xff806e65
+#define	CFG_OR6_PRELIM		0xfc006e65
+
+#define CFG_FLASH_BANKS_LIST	{0xff800000, CFG_FLASH_BASE}
+#define CFG_MAX_FLASH_BANKS	1		/* number of banks */
+#define CFG_MAX_FLASH_SECT	128		/* sectors per device */
+#undef	CFG_FLASH_CHECKSUM
+#define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
+#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */
+
+#define CFG_MONITOR_BASE    	TEXT_BASE	/* start of monitor */
+
+#define CFG_FLASH_CFI_DRIVER
+#define CFG_FLASH_CFI
+#define CFG_FLASH_EMPTY_INFO
+
+/* CS5 = Local bus peripherals controlled by the EPLD */
+
+#define CFG_BR5_PRELIM		0xf8000801
+#define CFG_OR5_PRELIM		0xff006e65
+#define CFG_EPLD_BASE		0xf8000000
+#define CFG_LED_DISP_BASE	0xf8000000
+#define CFG_USER_SWITCHES_BASE	0xf8100000
+#define CFG_BD_REV		0xf8300000
+#define CFG_EEPROM_BASE		0xf8b00000
+
+/*
+ * SDRAM on the Local Bus
+ */
+#define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
+#define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */
+
+/*
+ * Base Register 3 and Option Register 3 configure SDRAM.
+ * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
+ *
+ * For BR3, need:
+ *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
+ *    port-size = 32-bits = BR2[19:20] = 11
+ *    no parity checking = BR2[21:22] = 00
+ *    SDRAM for MSEL = BR2[24:26] = 011
+ *    Valid = BR[31] = 1
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
+ *
+ */
+
+#define CFG_BR3_PRELIM		0xf0001861
+
+/*
+ * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
+ *
+ * For OR3, need:
+ *    64MB mask for AM, OR3[0:7] = 1111 1100
+ *		   XAM, OR3[17:18] = 11
+ *    10 columns OR3[19-21] = 011
+ *    12 rows   OR3[23-25] = 011
+ *    EAD set for extra time OR[31] = 0
+ *
+ * 0    4    8    12   16   20   24   28
+ * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
+ */
+
+#define CFG_OR3_PRELIM		0xfc006cc0
+
+#define CFG_LBC_LCRR		0x00000002    /* LB clock ratio reg */
+#define CFG_LBC_LBCR		0x00000000    /* LB config reg */
+#define CFG_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
+#define CFG_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/
+
+/*
+ * LSDMR masks
+ */
+#define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
+#define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
+#define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
+#define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
+#define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
+#define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
+#define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
+#define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
+#define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
+#define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))
+
+#define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
+#define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))
+
+/*
+ * Common settings for all Local Bus SDRAM commands.
+ * At run time, either BSMA1516 (for CPU 1.1)
+ *                  or BSMA1617 (for CPU 1.0) (old)
+ * is OR'ed in too.
+ */
+#define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_RFCR16		\
+				| CFG_LBC_LSDMR_PRETOACT7	\
+				| CFG_LBC_LSDMR_ACTTORW7	\
+				| CFG_LBC_LSDMR_BL8		\
+				| CFG_LBC_LSDMR_WRC4		\
+				| CFG_LBC_LSDMR_CL3		\
+				| CFG_LBC_LSDMR_RFEN		\
+				)
+
+#define CONFIG_L1_INIT_RAM
+#define CFG_INIT_RAM_LOCK	1
+#define CFG_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
+#define CFG_INIT_RAM_END	0x4000		/* End of used area in RAM */
+
+#define CFG_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */
+
+#define CFG_GBL_DATA_SIZE	128		/* num bytes initial data */
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+#define CFG_MONITOR_LEN		(256 * 1024) /* Reserve 256 kB for Mon */
+#define CFG_MALLOC_LEN		(128 * 1024)	/* Reserved for malloc */
+
+/* Serial Port */
+#define CONFIG_CONS_INDEX	1
+#undef	CONFIG_SERIAL_SOFTWARE_FIFO
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+#define CFG_NS16550_REG_SIZE	1
+#define CFG_NS16550_CLK		400000000 /* get_bus_freq(0) */
+
+#define CFG_BAUDRATE_TABLE \
+	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
+
+#define CFG_NS16550_COM1	(CFG_CCSRBAR+0x4500)
+#define CFG_NS16550_COM2	(CFG_CCSRBAR+0x4600)
+
+/* Use the HUSH parser */
+#define CFG_HUSH_PARSER
+#ifdef	CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+/* pass open firmware flat tree */
+#define CONFIG_OF_LIBFDT		1
+#define CONFIG_OF_BOARD_SETUP		1
+#define CONFIG_OF_STDOUT_VIA_ALIAS	1
+
+/*
+ * I2C
+ */
+#define CONFIG_FSL_I2C		/* Use FSL common I2C driver */
+#define CONFIG_HARD_I2C		/* I2C with hardware support*/
+#undef	CONFIG_SOFT_I2C		/* I2C bit-banged */
+#define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
+#define CFG_I2C_EEPROM_ADDR	0x50
+#define CFG_I2C_SLAVE		0x7F
+#define CFG_I2C_OFFSET		0x3000
+
+/*
+ * General PCI
+ * Memory space is mapped 1-1, but I/O space must start from 0.
+ */
+#define CFG_PCI_PHYS		0x80000000	/* 1G PCI TLB */
+
+#define CFG_PCI1_MEM_BASE	0x80000000
+#define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
+#define CFG_PCI1_MEM_SIZE	0x20000000	/* 512M */
+#define CFG_PCI1_IO_BASE	0x00000000
+#define CFG_PCI1_IO_PHYS	0xe2000000
+#define CFG_PCI1_IO_SIZE	0x00100000	/* 1M */
+
+#ifdef CONFIG_PCI2
+#define CFG_PCI2_MEM_BASE	0xa0000000
+#define CFG_PCI2_MEM_PHYS	CFG_PCI2_MEM_BASE
+#define CFG_PCI2_MEM_SIZE	0x20000000	/* 512M */
+#define CFG_PCI2_IO_BASE	0x00000000
+#define CFG_PCI2_IO_PHYS	0xe2800000
+#define CFG_PCI2_IO_SIZE	0x00100000	/* 1M */
+#endif
+
+#ifdef CONFIG_PCIE1
+#define CFG_PCIE1_MEM_BASE	0xa0000000
+#define CFG_PCIE1_MEM_PHYS	CFG_PCIE1_MEM_BASE
+#define CFG_PCIE1_MEM_SIZE	0x20000000	/* 512M */
+#define CFG_PCIE1_IO_BASE	0x00000000
+#define CFG_PCIE1_IO_PHYS	0xe3000000
+#define CFG_PCIE1_IO_SIZE	0x00100000	/*   1M */
+#endif
+
+#ifdef CONFIG_RIO
+/*
+ * RapidIO MMU
+ */
+#define CFG_RIO_MEM_BASE	0xC0000000
+#define CFG_RIO_MEM_SIZE	0x20000000	/* 512M */
+#endif
+
+#ifdef CONFIG_LEGACY
+#define BRIDGE_ID 17
+#define VIA_ID 2
+#else
+#define BRIDGE_ID 28
+#define VIA_ID 4
+#endif
+
+#if defined(CONFIG_PCI)
+
+#define CONFIG_NET_MULTI
+#define CONFIG_PCI_PNP			/* do pci plug-and-play */
+
+#undef CONFIG_EEPRO100
+#undef CONFIG_TULIP
+
+#undef CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup */
+
+/* PCI view of System Memory */
+#define CFG_PCI_MEMORY_BUS	0x00000000
+#define CFG_PCI_MEMORY_PHYS	0x00000000
+#define CFG_PCI_MEMORY_SIZE	0x80000000
+
+#endif	/* CONFIG_PCI */
+
+
+#if defined(CONFIG_TSEC_ENET)
+
+#ifndef CONFIG_NET_MULTI
+#define CONFIG_NET_MULTI	1
+#endif
+
+#define CONFIG_MII		1	/* MII PHY management */
+#define CONFIG_TSEC1	1
+#define CONFIG_TSEC1_NAME	"eTSEC0"
+#define CONFIG_TSEC2	1
+#define CONFIG_TSEC2_NAME	"eTSEC1"
+#define CONFIG_TSEC3	1
+#define CONFIG_TSEC3_NAME	"eTSEC2"
+#define CONFIG_TSEC4
+#define CONFIG_TSEC4_NAME	"eTSEC3"
+#undef CONFIG_MPC85XX_FEC
+
+#define TSEC1_PHY_ADDR		0
+#define TSEC2_PHY_ADDR		1
+#define TSEC3_PHY_ADDR		2
+#define TSEC4_PHY_ADDR		3
+
+#define TSEC1_PHYIDX		0
+#define TSEC2_PHYIDX		0
+#define TSEC3_PHYIDX		0
+#define TSEC4_PHYIDX		0
+#define TSEC1_FLAGS		TSEC_GIGABIT
+#define TSEC2_FLAGS		TSEC_GIGABIT
+#define TSEC3_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+#define TSEC4_FLAGS		(TSEC_GIGABIT | TSEC_REDUCED)
+
+/* Options are: eTSEC[0-3] */
+#define CONFIG_ETHPRIME		"eTSEC0"
+#define CONFIG_PHY_GIGE		1	/* Include GbE speed/duplex detection */
+#endif	/* CONFIG_TSEC_ENET */
+
+/*
+ * Environment
+ */
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
+#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
+#define CFG_ENV_SIZE		0x2000
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
+#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
+
+/*
+ * 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_PING
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_ELF
+
+#if defined(CONFIG_PCI)
+    #define CONFIG_CMD_PCI
+#endif
+
+
+#undef CONFIG_WATCHDOG			/* watchdog disabled */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP			/* undef to save memory	*/
+#define CFG_LOAD_ADDR	0x2000000	/* default load address */
+#define CFG_PROMPT	"=> "		/* Monitor Command Prompt */
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CBSIZE	1024		/* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE	256		/* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS	16		/* max number of command args */
+#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size */
+#define CFG_HZ		1000		/* decrementer freq: 1ms ticks */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux*/
+
+/* Cache Configuration */
+#define CFG_DCACHE_SIZE	32768
+#define CFG_CACHELINE_SIZE	32
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT	5	/*log base 2 of the above value*/
+#endif
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM	0x02		/* Software reboot */
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
+#endif
+
+/*
+ * Environment Configuration
+ */
+
+/* The mac addresses for all ethernet interface */
+#if defined(CONFIG_TSEC_ENET)
+#define CONFIG_HAS_ETH0
+#define CONFIG_ETHADDR	 02:E0:0C:00:00:FD
+#define CONFIG_HAS_ETH1
+#define CONFIG_ETH1ADDR	 02:E0:0C:00:01:FD
+#define CONFIG_HAS_ETH2
+#define CONFIG_ETH2ADDR	 02:E0:0C:00:02:FD
+#define CONFIG_HAS_ETH3
+#define CONFIG_ETH3ADDR	 02:E0:0C:00:03:FD
+#endif
+
+#define CONFIG_IPADDR	 192.168.0.55
+
+#define CONFIG_HOSTNAME	 sbc8548
+#define CONFIG_ROOTPATH	 /opt/eldk/ppc_85xx
+#define CONFIG_BOOTFILE	 /uImage
+#define CONFIG_UBOOTPATH /u-boot.bin	/* TFTP server */
+
+#define CONFIG_SERVERIP	 192.168.0.2
+#define CONFIG_GATEWAYIP 192.168.0.1
+#define CONFIG_NETMASK	 255.255.255.0
+
+#define CONFIG_LOADADDR	1000000	/*default location for tftp and bootm*/
+
+#define CONFIG_BOOTDELAY 10	/* -1 disables auto-boot */
+#undef	CONFIG_BOOTARGS		/* the boot command will set bootargs*/
+
+#define CONFIG_BAUDRATE	115200
+
+#define	CONFIG_EXTRA_ENV_SETTINGS				\
+ "netdev=eth0\0"						\
+ "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0"				\
+ "tftpflash=tftpboot $loadaddr $uboot; "			\
+	"protect off " MK_STR(TEXT_BASE) " +$filesize; "	\
+	"erase " MK_STR(TEXT_BASE) " +$filesize; "		\
+	"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; "	\
+	"protect on " MK_STR(TEXT_BASE) " +$filesize; "		\
+	"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0"	\
+ "consoledev=ttyS0\0"				\
+ "ramdiskaddr=2000000\0"			\
+ "ramdiskfile=uRamdisk\0"			\
+ "fdtaddr=c00000\0"				\
+ "fdtfile=sbc8548.dtb\0"
+
+#define CONFIG_NFSBOOTCOMMAND						\
+   "setenv bootargs root=/dev/nfs rw "					\
+      "nfsroot=$serverip:$rootpath "					\
+      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
+      "console=$consoledev,$baudrate $othbootargs;"			\
+   "tftp $loadaddr $bootfile;"						\
+   "tftp $fdtaddr $fdtfile;"						\
+   "bootm $loadaddr - $fdtaddr"
+
+
+#define CONFIG_RAMBOOTCOMMAND \
+   "setenv bootargs root=/dev/ram rw "					\
+      "console=$consoledev,$baudrate $othbootargs;"			\
+   "tftp $ramdiskaddr $ramdiskfile;"					\
+   "tftp $loadaddr $bootfile;"						\
+   "tftp $fdtaddr $fdtfile;"						\
+   "bootm $loadaddr $ramdiskaddr $fdtaddr"
+
+#define CONFIG_BOOTCOMMAND	CONFIG_RAMBOOTCOMMAND
+
+#endif	/* __CONFIG_H */