xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision 4e3349b6)
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)		|| \
46 	defined(CONFIG_E500)		|| \
47 	defined(CONFIG_MPC86xx)		|| \
48 	defined(CONFIG_E300)
49 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
50 #else
51 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
52 #endif
53 #endif
54 
55 /* Check if boards need to enable FSL DMA engine for SDRAM init */
56 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
57 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
58 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
59 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
60 #define CONFIG_FSL_DMA
61 #endif
62 #endif
63 
64 #ifndef CONFIG_MAX_CPUS
65 #define CONFIG_MAX_CPUS		1
66 #endif
67 
68 /*
69  * Provide a default boot page translation virtual address that lines up with
70  * Freescale's default e500 reset page.
71  */
72 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
73 #ifndef CONFIG_BPTR_VIRT_ADDR
74 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
75 #endif
76 #endif
77 
78 /*
79  * SEC (crypto unit) major compatible version determination
80  */
81 #if defined(CONFIG_MPC83xx)
82 #define CONFIG_SYS_FSL_SEC_COMPAT	2
83 #endif
84 
85 /* Since so many PPC SOCs have a semi-common LBC, define this here */
86 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
87 	defined(CONFIG_MPC83xx)
88 #if !defined(CONFIG_FSL_IFC)
89 #define CONFIG_FSL_LBC
90 #endif
91 #endif
92 
93 /* The TSEC driver uses the PHYLIB infrastructure */
94 #ifndef CONFIG_PHYLIB
95 #if defined(CONFIG_TSEC_ENET)
96 #define CONFIG_PHYLIB
97 
98 #include <config_phylib_all_drivers.h>
99 #endif /* TSEC_ENET */
100 #endif /* !CONFIG_PHYLIB */
101 
102 /* The FMAN driver uses the PHYLIB infrastructure */
103 #if defined(CONFIG_FMAN_ENET)
104 #define CONFIG_PHYLIB
105 #endif
106 
107 /* All PPC boards must swap IDE bytes */
108 #define CONFIG_IDE_SWAP_IO
109 
110 #endif /* _ASM_CONFIG_H_ */
111