xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision 660da094)
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 /* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
33 #if defined(CONFIG_MPC8XXX_SPI) || defined(CONFIG_FSL_ESPI)
34 # ifndef CONFIG_HARD_SPI
35 #  define CONFIG_HARD_SPI
36 # endif
37 #endif
38 
39 #define CONFIG_LMB
40 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
41 #define CONFIG_SYS_BOOT_GET_CMDLINE
42 #define CONFIG_SYS_BOOT_GET_KBD
43 
44 #ifndef CONFIG_MAX_MEM_MAPPED
45 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
46 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
47 #else
48 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
49 #endif
50 #endif
51 
52 /* Check if boards need to enable FSL DMA engine for SDRAM init */
53 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
54 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
55 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
56 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
57 #define CONFIG_FSL_DMA
58 #endif
59 #endif
60 
61 #ifndef CONFIG_MAX_CPUS
62 #define CONFIG_MAX_CPUS		1
63 #endif
64 
65 /*
66  * Provide a default boot page translation virtual address that lines up with
67  * Freescale's default e500 reset page.
68  */
69 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
70 #ifndef CONFIG_BPTR_VIRT_ADDR
71 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
72 #endif
73 #endif
74 
75 /*
76  * SEC (crypto unit) major compatible version determination
77  */
78 #if defined(CONFIG_MPC83xx)
79 #define CONFIG_SYS_FSL_SEC_COMPAT	2
80 #endif
81 
82 /* Since so many PPC SOCs have a semi-common LBC, define this here */
83 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
84 	defined(CONFIG_MPC83xx)
85 #if !defined(CONFIG_FSL_IFC)
86 #define CONFIG_FSL_LBC
87 #endif
88 #endif
89 
90 /* The TSEC driver uses the PHYLIB infrastructure */
91 #ifndef CONFIG_PHYLIB
92 #if defined(CONFIG_TSEC_ENET)
93 #define CONFIG_PHYLIB
94 
95 #include <config_phylib_all_drivers.h>
96 #endif /* TSEC_ENET */
97 #endif /* !CONFIG_PHYLIB */
98 
99 /* All PPC boards must swap IDE bytes */
100 #define CONFIG_IDE_SWAP_IO
101 
102 #endif /* _ASM_CONFIG_H_ */
103