xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision a47a12becf66f02a56da91c161e2edb625e9f20c)
1*a47a12beSStefan Roese /*
2*a47a12beSStefan Roese  * Copyright 2009-2010 Freescale Semiconductor, Inc.
3*a47a12beSStefan Roese  *
4*a47a12beSStefan Roese  * This program is free software; you can redistribute it and/or
5*a47a12beSStefan Roese  * modify it under the terms of the GNU General Public License as
6*a47a12beSStefan Roese  * published by the Free Software Foundation; either version 2 of
7*a47a12beSStefan Roese  * the License, or (at your option) any later version.
8*a47a12beSStefan Roese  *
9*a47a12beSStefan Roese  * This program is distributed in the hope that it will be useful,
10*a47a12beSStefan Roese  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11*a47a12beSStefan Roese  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12*a47a12beSStefan Roese  * GNU General Public License for more details.
13*a47a12beSStefan Roese  *
14*a47a12beSStefan Roese  * You should have received a copy of the GNU General Public License
15*a47a12beSStefan Roese  * along with this program; if not, write to the Free Software
16*a47a12beSStefan Roese  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17*a47a12beSStefan Roese  * MA 02111-1307 USA
18*a47a12beSStefan Roese  *
19*a47a12beSStefan Roese  */
20*a47a12beSStefan Roese 
21*a47a12beSStefan Roese #ifndef _ASM_CONFIG_H_
22*a47a12beSStefan Roese #define _ASM_CONFIG_H_
23*a47a12beSStefan Roese 
24*a47a12beSStefan Roese #define CONFIG_LMB
25*a47a12beSStefan Roese 
26*a47a12beSStefan Roese #ifndef CONFIG_MAX_MEM_MAPPED
27*a47a12beSStefan Roese #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
28*a47a12beSStefan Roese #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
29*a47a12beSStefan Roese #else
30*a47a12beSStefan Roese #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
31*a47a12beSStefan Roese #endif
32*a47a12beSStefan Roese #endif
33*a47a12beSStefan Roese 
34*a47a12beSStefan Roese /* Check if boards need to enable FSL DMA engine for SDRAM init */
35*a47a12beSStefan Roese #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
36*a47a12beSStefan Roese #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
37*a47a12beSStefan Roese 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
38*a47a12beSStefan Roese 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
39*a47a12beSStefan Roese #define CONFIG_FSL_DMA
40*a47a12beSStefan Roese #endif
41*a47a12beSStefan Roese #endif
42*a47a12beSStefan Roese 
43*a47a12beSStefan Roese #if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \
44*a47a12beSStefan Roese 	defined(CONFIG_P1021) || defined(CONFIG_P1022) || \
45*a47a12beSStefan Roese 	defined(CONFIG_P2020) || defined(CONFIG_MPC8641)
46*a47a12beSStefan Roese #define CONFIG_MAX_CPUS		2
47*a47a12beSStefan Roese #elif defined(CONFIG_PPC_P4080)
48*a47a12beSStefan Roese #define CONFIG_MAX_CPUS		8
49*a47a12beSStefan Roese #else
50*a47a12beSStefan Roese #define CONFIG_MAX_CPUS		1
51*a47a12beSStefan Roese #endif
52*a47a12beSStefan Roese 
53*a47a12beSStefan Roese /*
54*a47a12beSStefan Roese  * Provide a default boot page translation virtual address that lines up with
55*a47a12beSStefan Roese  * Freescale's default e500 reset page.
56*a47a12beSStefan Roese  */
57*a47a12beSStefan Roese #if (defined(CONFIG_E500) && defined(CONFIG_MP))
58*a47a12beSStefan Roese #ifndef CONFIG_BPTR_VIRT_ADDR
59*a47a12beSStefan Roese #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
60*a47a12beSStefan Roese #endif
61*a47a12beSStefan Roese #endif
62*a47a12beSStefan Roese 
63*a47a12beSStefan Roese /* Enable TSEC2.0 for the platforms that have it if we are using TSEC */
64*a47a12beSStefan Roese #if defined(CONFIG_TSEC_ENET) && \
65*a47a12beSStefan Roese     (defined(CONFIG_P1020) || defined(CONFIG_P1011))
66*a47a12beSStefan Roese #define CONFIG_TSECV2
67*a47a12beSStefan Roese #endif
68*a47a12beSStefan Roese 
69*a47a12beSStefan Roese /* Number of TLB CAM entries we have on FSL Book-E chips */
70*a47a12beSStefan Roese #if defined(CONFIG_E500MC)
71*a47a12beSStefan Roese #define CONFIG_SYS_NUM_TLBCAMS	64
72*a47a12beSStefan Roese #elif defined(CONFIG_E500)
73*a47a12beSStefan Roese #define CONFIG_SYS_NUM_TLBCAMS	16
74*a47a12beSStefan Roese #endif
75*a47a12beSStefan Roese 
76*a47a12beSStefan Roese /* Relocation to SDRAM works on all PPC boards */
77*a47a12beSStefan Roese #define CONFIG_RELOC_FIXUP_WORKS
78*a47a12beSStefan Roese 
79*a47a12beSStefan Roese #endif /* _ASM_CONFIG_H_ */
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