xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision d4562e09)
1 /*
2  * Copyright 2009-2010 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 #define CONFIG_LMB
25 
26 #ifndef CONFIG_MAX_MEM_MAPPED
27 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
28 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
29 #else
30 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
31 #endif
32 #endif
33 
34 /* Check if boards need to enable FSL DMA engine for SDRAM init */
35 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
36 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
37 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
38 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
39 #define CONFIG_FSL_DMA
40 #endif
41 #endif
42 
43 #if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \
44 	defined(CONFIG_P1021) || defined(CONFIG_P1022) || \
45 	defined(CONFIG_P2020) || defined(CONFIG_MPC8641)
46 #define CONFIG_MAX_CPUS		2
47 #elif defined(CONFIG_PPC_P3041)
48 #define CONFIG_MAX_CPUS		4
49 #elif defined(CONFIG_PPC_P4080)
50 #define CONFIG_MAX_CPUS		8
51 #elif defined(CONFIG_PPC_P5020)
52 #define CONFIG_MAX_CPUS		2
53 #else
54 #define CONFIG_MAX_CPUS		1
55 #endif
56 
57 /*
58  * Provide a default boot page translation virtual address that lines up with
59  * Freescale's default e500 reset page.
60  */
61 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
62 #ifndef CONFIG_BPTR_VIRT_ADDR
63 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
64 #endif
65 #endif
66 
67 /* Enable TSEC2.0 for the platforms that have it if we are using TSEC */
68 #if defined(CONFIG_TSEC_ENET) && \
69     (defined(CONFIG_P1020) || defined(CONFIG_P1011))
70 #define CONFIG_TSECV2
71 #endif
72 
73 /*
74  * SEC (crypto unit) major compatible version determination
75  */
76 #if defined(CONFIG_FSL_CORENET)
77 #define CONFIG_SYS_FSL_SEC_COMPAT	4
78 #elif defined(CONFIG_MPC85xx) || defined(CONFIG_MPC83xx)
79 #define CONFIG_SYS_FSL_SEC_COMPAT	2
80 #endif
81 
82 /* Number of TLB CAM entries we have on FSL Book-E chips */
83 #if defined(CONFIG_E500MC)
84 #define CONFIG_SYS_NUM_TLBCAMS	64
85 #elif defined(CONFIG_E500)
86 #define CONFIG_SYS_NUM_TLBCAMS	16
87 #endif
88 
89 /* Relocation to SDRAM works on all PPC boards */
90 #define CONFIG_RELOC_FIXUP_WORKS
91 
92 /* Since so many PPC SOCs have a semi-common LBC, define this here */
93 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
94 	defined(CONFIG_MPC83xx)
95 #define CONFIG_FSL_LBC
96 #endif
97 
98 /* All PPC boards must swap IDE bytes */
99 #define CONFIG_IDE_SWAP_IO
100 
101 #endif /* _ASM_CONFIG_H_ */
102