xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision fea25720)
1 /*
2  * Copyright 2009-2011 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 
24 #ifdef CONFIG_MPC85xx
25 #include <asm/config_mpc85xx.h>
26 #endif
27 
28 #ifdef CONFIG_MPC86xx
29 #include <asm/config_mpc86xx.h>
30 #endif
31 
32 #define CONFIG_LMB
33 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
34 #define CONFIG_SYS_BOOT_GET_CMDLINE
35 #define CONFIG_SYS_BOOT_GET_KBD
36 
37 #ifndef CONFIG_MAX_MEM_MAPPED
38 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
39 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
40 #else
41 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
42 #endif
43 #endif
44 
45 /* Check if boards need to enable FSL DMA engine for SDRAM init */
46 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
47 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
48 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
49 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
50 #define CONFIG_FSL_DMA
51 #endif
52 #endif
53 
54 #ifndef CONFIG_MAX_CPUS
55 #define CONFIG_MAX_CPUS		1
56 #endif
57 
58 /*
59  * Provide a default boot page translation virtual address that lines up with
60  * Freescale's default e500 reset page.
61  */
62 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
63 #ifndef CONFIG_BPTR_VIRT_ADDR
64 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
65 #endif
66 #endif
67 
68 /*
69  * SEC (crypto unit) major compatible version determination
70  */
71 #if defined(CONFIG_MPC83xx)
72 #define CONFIG_SYS_FSL_SEC_COMPAT	2
73 #endif
74 
75 /* Since so many PPC SOCs have a semi-common LBC, define this here */
76 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
77 	defined(CONFIG_MPC83xx)
78 #if !defined(CONFIG_FSL_IFC)
79 #define CONFIG_FSL_LBC
80 #endif
81 #endif
82 
83 /* All PPC boards must swap IDE bytes */
84 #define CONFIG_IDE_SWAP_IO
85 
86 #endif /* _ASM_CONFIG_H_ */
87