From: Tirumala Marri <tma...@apm.com>
Add support code for bluestone board wth APM82XXX processor based.
This patch includes early board init, misc init, configure EBC,
and initializes UIC.
Signed-off-by: Tirumala R Marri <tma...@apm.com>
---
arch/powerpc/include/asm/ppc4xx-ebc.h | 4 +
board/amcc/bluestone/Makefile | 52 ++++++++
board/amcc/bluestone/bluestone.c | 213 ++++++++++++++++++++++++++++++++
board/amcc/bluestone/config.mk | 40 ++++++
board/amcc/bluestone/init.S | 55 ++++++++
include/configs/bluestone.h | 218 +++++++++++++++++++++++++++++++++
6 files changed, 582 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/ppc4xx-ebc.h
b/arch/powerpc/include/asm/ppc4xx-ebc.h
index 9c17e46..245e487 100644
--- a/arch/powerpc/include/asm/ppc4xx-ebc.h
+++ b/arch/powerpc/include/asm/ppc4xx-ebc.h
@@ -73,6 +73,10 @@
#define EBC_NUM_BANKS 3
#endif
+#if defined(CONFIG_APM82XXX)
+#define EBC_NUM_BANKS 3
+#endif
+
/* Bank Configuration Register */
#define EBC_BXCR(n) (n)
#define EBC_BXCR_BANK_SIZE(n) (0x100000 << (((n) & EBC_BXCR_BS_MASK) >> 17))
diff --git a/board/amcc/bluestone/Makefile b/board/amcc/bluestone/Makefile
new file mode 100644
index 0000000..637d20d
--- /dev/null
+++ b/board/amcc/bluestone/Makefile
@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2010, Applied Micro Circuits Corporation
+# All rights reserved. Tirumala R Marri <tma...@apm.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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS-y := $(BOARD).o
+SOBJS := init.o
+
+COBJS := $(COBJS-y)
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/amcc/bluestone/bluestone.c b/board/amcc/bluestone/bluestone.c
new file mode 100644
index 0000000..b13e84a
--- /dev/null
+++ b/board/amcc/bluestone/bluestone.c
@@ -0,0 +1,213 @@
+/*
+ * Bluestone board support
+ *
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * All rights reserved. Tirumala R Marri <tma...@apm.com>
+ *
+ * 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 <ppc440.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define SDR_AHB_CFG 0x370
+
+/* Define Boot devices */
+#define BOOT_FROM_8BIT_SRAM 0x00
+#define BOOT_FROM_8BIT_SRAM_FULL_ADDR 0x01
+#define BOOT_FROM_8BIT_NAND 0x02
+#define BOOT_FROM_8BIT_NOR 0x03
+#define BOOT_FROM_8BIT_NOR_FULL_ADDR 0x04
+#define BOOT_DEVICE_UNKNOWN 0xff
+
+#define APM82161_MASK (u32)(0x1 << 21)
+
+/* NOR Flash */
+#define EBC_BXAP_NOR (EBC_BXAP_BME_DISABLED | \
+ EBC_BXAP_TWT_ENCODE(64) | \
+ EBC_BXAP_BCE_DISABLE | \
+ EBC_BXAP_BCT_2TRANS | \
+ EBC_BXAP_CSN_ENCODE(1) | \
+ EBC_BXAP_OEN_ENCODE(2) | \
+ EBC_BXAP_WBN_ENCODE(2) | \
+ EBC_BXAP_WBF_ENCODE(2) | \
+ EBC_BXAP_TH_ENCODE(7) | \
+ EBC_BXAP_SOR_DELAYED | \
+ EBC_BXAP_BEM_WRITEONLY | \
+ EBC_BXAP_PEN_DISABLED)
+/* Peripheral Bank Configuration Register - EBC_BxCR */
+#define EBC_BXCR_8BIT_NOR \
+ (EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) | \
+ EBC_BXCR_BS_1MB | \
+ EBC_BXCR_BU_RW | \
+ EBC_BXCR_BW_8BIT)
+
+#define EBC_BXCR_8BIT_SRAM \
+ (EBC_BXCR_BAS_ENCODE(CONFIG_SYS_EXTSRAM_BASE) | \
+ EBC_BXCR_BS_1MB | \
+ EBC_BXCR_BU_RW | \
+ EBC_BXCR_BW_8BIT)
+
+/*
+ * Get bootdevice information and
+ * setup EBC configuration
+ * NOTE: Assume that I2C had been initialized
+ */
+int bootdevice_selected(void)
+{
+ unsigned long rl;
+ unsigned long bootstrap_settings;
+ int computed_boot_device = BOOT_DEVICE_UNKNOWN;
+
+ mfsdr(SDR0_SDSTP1, bootstrap_settings);
+ rl = SDR_SDSTP1_RL_DECODE(bootstrap_settings);
+ if (rl == SDR_SDSTP1_RL_EBC) /* Boot device is NOR */
+ computed_boot_device = BOOT_FROM_8BIT_NOR;
+ else if (rl == SDR_SDSTP1_RL_NDFC)
+ computed_boot_device = BOOT_FROM_8BIT_NAND;
+ return computed_boot_device;
+}
+
+void reconfigure_EBC(int computed_boot_device)
+{
+ switch (computed_boot_device) {
+ case BOOT_FROM_8BIT_NOR:
+ /*
+ * CS0: NOR
+ */
+ /* Configure EBC CS0 - Nor Flash 1MBx8 */
+ mtebc(PB0AP, EBC_BXAP_NOR);
+ mtebc(PB0CR, EBC_BXCR_8BIT_NOR);
+ break;
+ case BOOT_FROM_8BIT_NOR_FULL_ADDR:
+ /*
+ * CS0: NOR
+ * CS1: x
+ * CS2: x
+ */
+ /* Configure EBC CS0 - Nor Flash 1MBx8 */
+ mtebc(PB0AP, EBC_BXAP_NOR);
+ mtebc(PB0CR, EBC_BXCR_8BIT_NOR);
+ break;
+ default:
+ break;
+ }
+}
+
+int board_early_init_f(void)
+{
+ /*
+ * Setup the interrupt controller polarities, triggers, etc.
+ */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
+ mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+ mtdcr(UIC2ER, 0x00000000); /* disable all */
+ mtdcr(UIC2CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC3SR, 0xffffffff); /* clear all */
+ mtdcr(UIC3ER, 0x00000000); /* disable all */
+ mtdcr(UIC3CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC3SR, 0xffffffff); /* clear all */
+
+ /*
+ * Configure PFC (Pin Function Control) registers
+ * UART0: 2 pins
+ */
+ mtsdr(SDR0_PFC1, 0x0000000);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+
+ printf("Board: Bluestone Evaluation Board");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ u32 bootdevice;
+
+ /*
+ * Clear potential errors resulting from auto-calibration.
+ * If not done, then we could get an interrupt later on when
+ * exceptions are enabled.
+ */
+ set_mcsr(get_mcsr());
+
+ /* Reconfigure EBC here */
+ bootdevice = bootdevice_selected();
+ reconfigure_EBC(bootdevice);
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ u32 sdr0_srst1 = 0;
+ /* Setup PLB4-AHB bridge based on the system address map */
+ mtdcr(AHB_TOP, 0x8000004B);
+ mtdcr(AHB_BOT, 0x8000004B);
+ /*
+ * The AHB Bridge core is held in reset after power-on or reset
+ * so enable it now
+ */
+ mfsdr(SDR0_SRST1, sdr0_srst1);
+ sdr0_srst1 &= ~SDR0_SRST1_AHB;
+ mtsdr(SDR0_SRST1, sdr0_srst1);
+
+ return 0;
+}
diff --git a/board/amcc/bluestone/config.mk b/board/amcc/bluestone/config.mk
new file mode 100644
index 0000000..dca5a9a
--- /dev/null
+++ b/board/amcc/bluestone/config.mk
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2010, Applied Micro Circuits Corporation
+# All rights reserved. Tirumala R Marri <tma...@apm.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
+#
+# Applied Micro APM82XXX Evaluation board.
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/amcc/bluestone/init.S b/board/amcc/bluestone/init.S
new file mode 100644
index 0000000..a74d75a
--- /dev/null
+++ b/board/amcc/bluestone/init.S
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * All rights reserved. Tirumala R Marri <tma...@apm.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
+ */
+
+#include <ppc_asm.tmpl>
+#include <config.h>
+#include <asm/mmu.h>
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR,
+ 0, AC_R|AC_W|AC_X|SA_G)
+
+ /* TLB-entry for OCM */
+ tlbentry(CONFIG_SYS_OCM_BASE, SZ_64K, 0x00040000, 4,
+ AC_R|AC_W|AC_X|SA_I)
+
+ /* TLB-entry for Local Configuration registers => peripherals */
+ tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_16K,
+ CONFIG_SYS_PERIPHERAL_BASE, 4, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbtab_end
diff --git a/include/configs/bluestone.h b/include/configs/bluestone.h
new file mode 100644
index 0000000..44b2264
--- /dev/null
+++ b/include/configs/bluestone.h
@@ -0,0 +1,218 @@
+/*
+ * bluestone.h - configuration for Blouestone (APM82XXX)
+ *
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * All rights reserved. Tirumala R Marri <tma...@apm.com>
+ *
+ * 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
+ */
+#define CONFIG_APM82181 1 /* Specific APM82XXX */
+#define CONFIG_APM82XXX 1 /* APM82XXX series */
+#define CONFIG_HOSTNAME bluestone
+
+#define CONFIG_440 1
+#define CONFIG_4xx 1 /* ... PPC4xx family */
+
+/*
+ * Include common defines/options for all AMCC eval boards
+ */
+#include "amcc-common.h"
+#define CONFIG_SYS_CLK_FREQ 50000000
+
+#define CONFIG_BOARD_TYPES 1 /* support board types */
+#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
+#define CONFIG_BOARD_EARLY_INIT_R 1 /* Call board_early_init_r */
+#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */
+
+/*
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ */
+/* EBC stuff */
+#define CONFIG_SYS_EXTSRAM_BASE 0xE1000000 /* 2MB */
+/* later mapped to this addr */
+#define CONFIG_SYS_FLASH_BASE 0xFFF00000
+#define CONFIG_SYS_FLASH_SIZE (1 << 20) /* 1MB usable */
+
+#define CONFIG_SYS_NAND0_ADDR 0xE4000000
+#define CONFIG_SYS_NAND1_ADDR 0xE5000000
+/* EBC Boot Space: 0xFF000000 */
+#define CONFIG_SYS_BOOT_BASE_ADDR 0xFF000000
+#define CONFIG_SYS_OCM_BASE 0xE3000000 /* OCM: 32k */
+#define CONFIG_SYS_SRAM_BASE 0xE8000000 /* SRAM: 256k */
+#define CONFIG_SYS_PERIPHERAL_BASE 0xEF600000 /* internal peripherals */
+#define CONFIG_SYS_AHB_BASE 0xE2000000 /* internal AHB peripherals*/
+
+/*
+ * Initial RAM & stack pointer (placed in OCM)
+ */
+#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_BASE /* OCM */
+#define CONFIG_SYS_INIT_RAM_END (4 << 10)
+#define CONFIG_SYS_GBL_DATA_SIZE 256 /* num bytes 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
+
+/*
+ * Environment
+ */
+/*
+ * Define here the location of the environment variables (FLASH).
+ */
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) \
+ && !defined(CONFIG_SRAM_U_BOOT)
+#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment
vars */
+#define CONFIG_SYS_NOR_CS 0 /* NOR chip connected to CSx */
+#define CONFIG_SYS_NAND_CS 1 /* NAND chip connected to CSx */
+#else
+#define CONFIG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */
+#define CONFIG_SYS_NOR_CS 2 /* NOR chip connected to CSx */
+#define CONFIG_SYS_NAND_CS 0 /* NAND chip connected to CSx */
+#define CONFIG_ENV_IS_EMBEDDED 1 /* use embedded environment */
+#endif
+
+#if !defined(CONFIG_NAND_U_BOOT)
+/* Boot from NOR, store environment to NAND */
+#ifdef CONFIG_ENV_IS_IN_NAND
+
+/*
+ * Too big environment size (512KB) may cause system
+ * hang due to out of malloc space
+ */
+#define CONFIG_ENV_SIZE (64 << 10)
+#define CONFIG_ENV_OFFSET (2 << 20)
+#endif
+#else /* NAND boot */
+#ifdef CONFIG_ENV_IS_IN_NAND
+/*
+ * For NAND booting the environment is embedded in the U-Boot image. Please
take
+ * look at the file board/amcc/canyonlands/u-boot-nand.lds for details.
+ */
+#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET \
+ (CONFIG_SYS_NAND_U_BOOT_OFFS + CONFIG_ENV_SIZE)
+#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#endif
+#endif /* !defined(CONFIG_NAND_U_BOOT) */
+/*
+ * FLASH related
+ */
+#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
+#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
+#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
+/* Reduce the actual size of the flash */
+#define CONFIG_SIZE_REDUCE (3 << 20)
+/* Reduce the actual sectors of the flash */
+#define CONFIG_SECTOR_REDUCE 48
+#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE}
+/* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
+/* max number of sectors on one chip */
+#define CONFIG_SYS_MAX_FLASH_SECT 80
+/* Timeout for Flash Erase (in ms) */
+#define CONFIG_SYS_FLASH_ERASE_TOUT 120000
+/* Timeout for Flash Write (in ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT 500
+/* use buffered writes (20x faster) */
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
+/* print 'E' for empty sector on flinfo */
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#ifdef CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE -
CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment
Sector */
+/* Address and size of Redundant Environment Sector */
+#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR - CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
+#endif /* CONFIG_ENV_IS_IN_FLASH */
+/*
+ * NAND-FLASH related
+ */
+#if !defined(CONFIG_NAND_U_BOOT)
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE \
+ (CONFIG_SYS_NAND_ADDR + CONFIG_SYS_NAND_CS)
+#define CONFIG_SYS_NAND_MAX_CHIPS 1
+#else /* NAND boot */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE \
+ {CONFIG_SYS_NAND0_ADDR + 0/*, CONFIG_SYS_NAND1_ADDR + 1*/}
+#define CONFIG_SYS_NAND_MAX_CHIPS 1
+#define NOT_USE_FLASH
+#endif
+/* nand driver supports mutipl. chips */
+#define CONFIG_SYS_NAND_SELECT_DEVICE 1
+/*
+ * Use 1 byte of I2C EEPROM as a flag to force SDRAM controller
+ * to be configured as 16-bit
+ */
+#define CONFIG_SDRAM_INFO_EEPROM_ADDR 0x54 /* Board specific */
+#define CONFIG_SDRAM16BIT_OFFSET 0x20 /* Board specific */
+
+#if !defined(CONFIG_NAND_U_BOOT)
+/*
+ * NAND booting U-Boot version uses a fixed initialization, since the whole
+ * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot
+ * code.
+ */
+#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
+#define SPD_EEPROM_ADDRESS {0x53, 0x51} /* SPD i2c spd addresses */
+#define CONFIG_PPC4xx_DDR_AUTOCALIBRATION /* IBM DDR autocalibration */
+#define CONFIG_AUTOCALIB "silent\0" /* default is non-verbose */
+#define CONFIG_DDR_ECC 1 /* with ECC support */
+#endif /* !defined(CONFIG_NAND_U_BOOT) */
+/*
+ * I2C
+ */
+#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed */
+
+#define CONFIG_SYS_I2C_MULTI_EEPROMS
+#define CONFIG_SYS_I2C_EEPROM_ADDR (0xa8>>1)
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 /* Data sheet */
+/* I2C bootstrap EEPROM */
+#define CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR 0x52
+#define CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET 0
+#define CONFIG_4xx_CONFIG_BLOCKSIZE 16
+/*
+ * Ethernet
+ */
+#define CONFIG_IBM_EMAC4_V4 1
+#define CONFIG_EMAC_PHY_MODE EMAC_PHY_MODE_NONE_RGMII
+#define CONFIG_HAS_ETH0
+#define CONFIG_M88E1111_PHY
+/* PHY address, See schematics */
+#define CONFIG_PHY_ADDR 0x1f
+/* reset phy upon startup */
+#define CONFIG_PHY_RESET 1
+#define CONFIG_PHY_RESET_R
+/* Include GbE speed/duplex detection */
+#define CONFIG_PHY_GIGE 1
+#define CONFIG_PHY_DYNAMIC_ANEG 1
+/*
+ * External Bus Controller (EBC) Setup
+ **/
+#define CONFIG_SYS_EBC_CFG 0xB8400000 /* EBC0_CFG */
+
+#endif /* __CONFIG_H */
--
1.6.1.rc3
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