xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision 150c2493)
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 #ifndef HWCONFIG_BUFFER_SIZE
33   #define HWCONFIG_BUFFER_SIZE 256
34 #endif
35 
36 /* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
37 #if defined(CONFIG_MPC8XXX_SPI) || defined(CONFIG_FSL_ESPI)
38 # ifndef CONFIG_HARD_SPI
39 #  define CONFIG_HARD_SPI
40 # endif
41 #endif
42 
43 #define CONFIG_LMB
44 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
45 #define CONFIG_SYS_BOOT_GET_CMDLINE
46 #define CONFIG_SYS_BOOT_GET_KBD
47 
48 #ifndef CONFIG_MAX_MEM_MAPPED
49 #if	defined(CONFIG_4xx)		|| \
50 	defined(CONFIG_E500)		|| \
51 	defined(CONFIG_MPC86xx)		|| \
52 	defined(CONFIG_E300)
53 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
54 #else
55 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
56 #endif
57 #endif
58 
59 /* Check if boards need to enable FSL DMA engine for SDRAM init */
60 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
61 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
62 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
63 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
64 #define CONFIG_FSL_DMA
65 #endif
66 #endif
67 
68 #ifndef CONFIG_MAX_CPUS
69 #define CONFIG_MAX_CPUS		1
70 #endif
71 
72 /*
73  * Provide a default boot page translation virtual address that lines up with
74  * Freescale's default e500 reset page.
75  */
76 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
77 #ifndef CONFIG_BPTR_VIRT_ADDR
78 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
79 #endif
80 #endif
81 
82 /*
83  * SEC (crypto unit) major compatible version determination
84  */
85 #if defined(CONFIG_MPC83xx)
86 #define CONFIG_SYS_FSL_SEC_COMPAT	2
87 #endif
88 
89 /* Since so many PPC SOCs have a semi-common LBC, define this here */
90 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
91 	defined(CONFIG_MPC83xx)
92 #if !defined(CONFIG_FSL_IFC)
93 #define CONFIG_FSL_LBC
94 #endif
95 #endif
96 
97 /* The TSEC driver uses the PHYLIB infrastructure */
98 #ifndef CONFIG_PHYLIB
99 #if defined(CONFIG_TSEC_ENET)
100 #define CONFIG_PHYLIB
101 
102 #include <config_phylib_all_drivers.h>
103 #endif /* TSEC_ENET */
104 #endif /* !CONFIG_PHYLIB */
105 
106 /* The FMAN driver uses the PHYLIB infrastructure */
107 #if defined(CONFIG_FMAN_ENET)
108 #define CONFIG_PHYLIB
109 #endif
110 
111 /* All PPC boards must swap IDE bytes */
112 #define CONFIG_IDE_SWAP_IO
113 
114 #endif /* _ASM_CONFIG_H_ */
115