u-boot-brain/include/configs/tuxa1.h

/*
 * Copyright (C) 2006 Freescale Semiconductor, Inc.
 *                    Dave Liu <daveliu@freescale.com>
 *
 * Copyright (C) 2007 Logic Product Development, Inc.
 *                    Peter Barada <peterb@logicpd.com>
 *
 * Copyright (C) 2007 MontaVista Software, Inc.
 *                    Anton Vorontsov <avorontsov@ru.mvista.com>
 *
 * (C) Copyright 2008
 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
 *
 * (C) Copyright 2010
 * Yan Bin, Lukas Roggli, KEYMILE Ltd, lukas.roggli@keymile.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.
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 */
#define CONFIG_QE		/* Has QE */
#define CONFIG_MPC832x		/* MPC832x CPU specific */
#define CONFIG_TUXA1		/* TUXA1 board specific */
#define CONFIG_HOSTNAME		tuxa1
#define CONFIG_KM_BOARD_NAME   "tuxa1"

#define	CONFIG_SYS_TEXT_BASE	0xF0000000
#define CONFIG_KM_DEF_NETDEV	\
	"netdev=eth0\0"

#define CONFIG_KM_DEF_ROOTPATH		\
	"rootpath=/opt/eldk/ppc_8xx\0"

/* include common defines/options for all 83xx Keymile boards */
#include "km83xx-common.h"

#define CONFIG_MISC_INIT_R

/*
 * System IO Config
 */
#define CONFIG_SYS_SICRL	SICRL_IRQ_CKS

/*
 * Hardware Reset Configuration Word
 */
#define CONFIG_SYS_HRCW_LOW (\
	HRCWL_LCL_BUS_TO_SCB_CLK_1X1 | \
	HRCWL_DDR_TO_SCB_CLK_2X1 | \
	HRCWL_CSB_TO_CLKIN_2X1 | \
	HRCWL_CORE_TO_CSB_2_5X1 | \
	HRCWL_CE_PLL_VCO_DIV_2 | \
	HRCWL_CE_TO_PLL_1X3)

#define CONFIG_SYS_HRCW_HIGH (\
	HRCWH_PCI_AGENT | \
	HRCWH_PCI_ARBITER_DISABLE | \
	HRCWH_CORE_ENABLE | \
	HRCWH_FROM_0X00000100 | \
	HRCWH_BOOTSEQ_DISABLE | \
	HRCWH_SW_WATCHDOG_DISABLE | \
	HRCWH_ROM_LOC_LOCAL_16BIT | \
	HRCWH_BIG_ENDIAN | \
	HRCWH_LALE_NORMAL)

#define CONFIG_SYS_DDR_CS0_BNDS		0x0000007f
#define CONFIG_SYS_DDR_SDRAM_CFG	(SDRAM_CFG_SDRAM_TYPE_DDR2 | \
					 SDRAM_CFG_32_BE | \
					 SDRAM_CFG_2T_EN | \
					 SDRAM_CFG_SREN)
#define CONFIG_SYS_DDR_SDRAM_CFG2	0x00401000
#define CONFIG_SYS_DDR_CLK_CNTL	(DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05)
#define CONFIG_SYS_DDR_INTERVAL	((0x064 << SDRAM_INTERVAL_BSTOPRE_SHIFT) | \
				 (0x200 << SDRAM_INTERVAL_REFINT_SHIFT))

#define CONFIG_SYS_DDR_CS0_CONFIG	(CSCONFIG_EN | CSCONFIG_AP | \
					 CSCONFIG_ODT_WR_CFG | \
					 CSCONFIG_ROW_BIT_13 | \
					 CSCONFIG_COL_BIT_10)

#define CONFIG_SYS_DDR_MODE		0x47860252
#define CONFIG_SYS_DDR_MODE2		0x8080c000

#define CONFIG_SYS_DDR_TIMING_0	((2 << TIMING_CFG0_MRS_CYC_SHIFT) | \
				(8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT) | \
				(2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT) | \
				(2 << TIMING_CFG0_ACT_PD_EXIT_SHIFT) | \
				(0 << TIMING_CFG0_WWT_SHIFT) | \
				(0 << TIMING_CFG0_RRT_SHIFT) | \
				(0 << TIMING_CFG0_WRT_SHIFT) | \
				(0 << TIMING_CFG0_RWT_SHIFT))

#define CONFIG_SYS_DDR_TIMING_1	((TIMING_CFG1_CASLAT_50) | \
				(2 << TIMING_CFG1_WRTORD_SHIFT) | \
				(2 << TIMING_CFG1_ACTTOACT_SHIFT) | \
				(2 << TIMING_CFG1_WRREC_SHIFT) | \
				(6 << TIMING_CFG1_REFREC_SHIFT) | \
				(2 << TIMING_CFG1_ACTTORW_SHIFT) | \
				(6 << TIMING_CFG1_ACTTOPRE_SHIFT) | \
				(2 << TIMING_CFG1_PRETOACT_SHIFT))

#define CONFIG_SYS_DDR_TIMING_2	((8 << TIMING_CFG2_FOUR_ACT_SHIFT) | \
				(3 << TIMING_CFG2_CKE_PLS_SHIFT) | \
				(2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT) | \
				(2 << TIMING_CFG2_RD_TO_PRE_SHIFT) | \
				(4 << TIMING_CFG2_WR_LAT_DELAY_SHIFT) | \
				(0 << TIMING_CFG2_ADD_LAT_SHIFT) | \
				(5 << TIMING_CFG2_CPO_SHIFT))

#define CONFIG_SYS_DDR_TIMING_3	0x00000000

#define	CONFIG_SYS_PIGGY_BASE		0xE8000000
#define	CONFIG_SYS_PIGGY_SIZE		128
#define	CONFIG_SYS_LPXF_BASE		0xA0000000    /* LPXF */
#define	CONFIG_SYS_LPXF_SIZE		256 /* Megabytes */
#define	CONFIG_SYS_PINC2_BASE		0xB0000000    /* PINC2 */
#define	CONFIG_SYS_PINC2_SIZE		256 /* Megabytes */


/* EEprom support */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1

/*
 * Local Bus Configuration & Clock Setup
 */
#define CONFIG_SYS_LCRR		(LCRR_DBYP | LCRR_EADC_1 | LCRR_CLKDIV_2)
#define CONFIG_SYS_LBC_LBCR	0x00000000

/*
 * Init Local Bus Memory Controller:
 *
 * Bank Bus     Machine PortSz  Size  Device
 * ---- ---     ------- ------  -----  ------
 *  2   Local   GPCM    8 bit  256MB	LPXF
 *  3   Local   GPCM    8 bit  256MB	PINC2
 *
 */

/*
 * LPXF on the local bus CS2
 * Window base at flash base
 * Window size: 256 MB
 */
#define CONFIG_SYS_LBLAWBAR2_PRELIM	CONFIG_SYS_LPXF_BASE
#define CONFIG_SYS_LBLAWAR2_PRELIM	(LBLAWAR_EN | LBLAWAR_256MB)

#define CONFIG_SYS_BR2_PRELIM       (CONFIG_SYS_LPXF_BASE | \
				BR_PS_8 | \
				BR_MS_GPCM | \
				BR_V)

#define CONFIG_SYS_OR2_PRELIM	(MEG_TO_AM(CONFIG_SYS_LPXF_SIZE) | \
				 OR_GPCM_CSNT | \
				 OR_GPCM_ACS_DIV4 | \
				 OR_GPCM_SCY_2 | \
				 (OR_GPCM_TRLX & \
				 (~OR_GPCM_EHTR)) |  /* EHTR = 0 */ \
				 OR_GPCM_EAD)
/*
 * PINC2 on the local bus CS3
 * Access window base at PINC2 base
 * Window size: 256 MB
 */
#define CONFIG_SYS_LBLAWBAR3_PRELIM	CONFIG_SYS_PINC2_BASE
#define CONFIG_SYS_LBLAWAR3_PRELIM	(LBLAWAR_EN | LBLAWAR_256MB)

#define CONFIG_SYS_BR3_PRELIM	(CONFIG_SYS_PINC2_BASE | \
				 BR_PS_8 | \
				 BR_MS_GPCM | \
				 BR_V)

#define CONFIG_SYS_OR3_PRELIM	(MEG_TO_AM(CONFIG_SYS_PINC2_SIZE) | \
				 OR_GPCM_CSNT | \
				 (OR_GPCM_ACS_DIV2 & /* ACS = 11 */ \
				 (~OR_GPCM_XACS)) |  /* XACS = 0 */ \
				 (OR_GPCM_SCY_2 & \
				 (~OR_GPCM_EHTR)) |  /* EHTR = 0 */ \
				 OR_GPCM_TRLX)

#define CONFIG_SYS_MAMR		(MxMR_GPL_x4DIS | \
				 0x0000c000 | \
				 MxMR_WLFx_2X)

/*
 * MMU Setup
 */
/* LPXF:  icache cacheable, but dcache-inhibit and guarded */
#define CONFIG_SYS_IBAT5L	(CONFIG_SYS_LPXF_BASE | BATL_PP_10 | \
				 BATL_MEMCOHERENCE)
#define CONFIG_SYS_IBAT5U	(CONFIG_SYS_LPXF_BASE | BATU_BL_256M | \
				 BATU_VS | BATU_VP)
#define CONFIG_SYS_DBAT5L	(CONFIG_SYS_LPXF_BASE | BATL_PP_10 | \
				 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CONFIG_SYS_DBAT5U	CONFIG_SYS_IBAT5U

#ifdef CONFIG_PCI
/* PCI MEM space: cacheable */
#define CFG_IBAT6L	(CFG_PCI1_MEM_PHYS | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT6U	(CFG_PCI1_MEM_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT6L	CFG_IBAT6L
#define CFG_DBAT6U	CFG_IBAT6U
/* PCI MMIO space: cache-inhibit and guarded */
#define CFG_IBAT7L	(CFG_PCI1_MMIO_PHYS | BATL_PP_10 | \
			 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CFG_IBAT7U	(CFG_PCI1_MMIO_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
#define CFG_DBAT7L	CFG_IBAT7L
#define CFG_DBAT7U	CFG_IBAT7U
#else /* CONFIG_PCI */

/* PINC2:  icache cacheable, but dcache-inhibit and guarded */
#define CONFIG_SYS_IBAT6L	(CONFIG_SYS_PINC2_BASE | BATL_PP_10 | \
				 BATL_MEMCOHERENCE)
#define CONFIG_SYS_IBAT6U	(CONFIG_SYS_PINC2_BASE | BATU_BL_256M | \
				 BATU_VS | BATU_VP)
#define CONFIG_SYS_DBAT6L	(CONFIG_SYS_PINC2_BASE | BATL_PP_10 | \
				 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CONFIG_SYS_DBAT6U	CONFIG_SYS_IBAT6U

#define CONFIG_SYS_IBAT7L	(0)
#define CONFIG_SYS_IBAT7U	(0)
#define CONFIG_SYS_DBAT7L	CONFIG_SYS_IBAT7L
#define CONFIG_SYS_DBAT7U	CONFIG_SYS_IBAT7U
#endif /* CONFIG_PCI */

#endif /* __CONFIG_H */