[people/ms/u-boot.git] / include / asm-ppc / config.h

/*
 * Copyright 2009 Freescale Semiconductor, Inc.
 *
 * 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 _ASM_CONFIG_H_
#define _ASM_CONFIG_H_

#ifndef CONFIG_MAX_MEM_MAPPED
#if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
#define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
#else
#define CONFIG_MAX_MEM_MAPPED	(256 << 20)
#endif
#endif

/* Check if boards need to enable FSL DMA engine for SDRAM init */
#if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
#if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
#define CONFIG_FSL_DMA
#endif
#endif

#if defined(CONFIG_MPC8572) || defined(CONFIG_P2020) \
	|| defined(CONFIG_MPC8641)
#define CONFIG_MAX_CPUS        2
#else
#define CONFIG_MAX_CPUS        1
#endif

#endif /* _ASM_CONFIG_H_ */
Commit	Line	Data
47d41cc3 KG	1	/*
	2	* Copyright 2009 Freescale Semiconductor, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License as
	6	* published by the Free Software Foundation; either version 2 of
	7	* the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	17	* MA 02111-1307 USA
	18	*
	19	*/
	20
	21	#ifndef _ASM_CONFIG_H_
	22	#define _ASM_CONFIG_H_
	23
87c90639	24	#ifndef CONFIG_MAX_MEM_MAPPED
bd76729b	25	#if defined(CONFIG_4xx) \|\| defined(CONFIG_E500) \|\| defined(CONFIG_MPC86xx)
87c90639 KG	26	#define CONFIG_MAX_MEM_MAPPED ((phys_size_t)2 << 30)
87c90639 KG	27	#else
2ede879f	28	#define CONFIG_MAX_MEM_MAPPED (256 << 20)
87c90639 KG	29	#endif
	30	#endif
	31
f732a759 PT	32	/* Check if boards need to enable FSL DMA engine for SDRAM init */
	33	#if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
	34	#if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) \|\| \
	35	((defined(CONFIG_MPC85xx) \|\| defined(CONFIG_MPC86xx)) && \
	36	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
017f11f6	37	#define CONFIG_FSL_DMA
47d41cc3	38	#endif
017f11f6 PT	39	#endif
017f11f6 PT	40
0e870980 PA	41	#if defined(CONFIG_MPC8572) \|\| defined(CONFIG_P2020) \
	42	\|\| defined(CONFIG_MPC8641)
	43	#define CONFIG_MAX_CPUS 2
	44	#else
	45	#define CONFIG_MAX_CPUS 1
	46	#endif
	47
017f11f6	48	#endif /* _ASM_CONFIG_H_ */