xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision c2012cb4)
1 /*
2  * Copyright 2009-2011 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef _ASM_CONFIG_H_
8 #define _ASM_CONFIG_H_
9 
10 #ifdef CONFIG_MPC85xx
11 #include <asm/config_mpc85xx.h>
12 #endif
13 
14 #ifdef CONFIG_MPC86xx
15 #include <asm/config_mpc86xx.h>
16 #endif
17 
18 #ifdef CONFIG_MPC83xx
19 #endif
20 
21 #ifndef HWCONFIG_BUFFER_SIZE
22   #define HWCONFIG_BUFFER_SIZE 256
23 #endif
24 
25 /* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
26 #if defined(CONFIG_MPC8XXX_SPI) || defined(CONFIG_FSL_ESPI)
27 # ifndef CONFIG_HARD_SPI
28 #  define CONFIG_HARD_SPI
29 # endif
30 #endif
31 
32 #define CONFIG_LMB
33 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
34 #define CONFIG_SYS_BOOT_GET_CMDLINE
35 #define CONFIG_SYS_BOOT_GET_KBD
36 
37 #ifndef CONFIG_MAX_MEM_MAPPED
38 #if	defined(CONFIG_E500)		|| \
39 	defined(CONFIG_MPC86xx)		|| \
40 	defined(CONFIG_E300)
41 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
42 #else
43 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
44 #endif
45 #endif
46 
47 /* Check if boards need to enable FSL DMA engine for SDRAM init */
48 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
49 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
50 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
51 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
52 #define CONFIG_FSL_DMA
53 #endif
54 #endif
55 
56 /*
57  * Provide a default boot page translation virtual address that lines up with
58  * Freescale's default e500 reset page.
59  */
60 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
61 #ifndef CONFIG_BPTR_VIRT_ADDR
62 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
63 #endif
64 #endif
65 
66 /* Since so many PPC SOCs have a semi-common LBC, define this here */
67 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
68 	defined(CONFIG_MPC83xx)
69 #if !defined(CONFIG_FSL_IFC)
70 #define CONFIG_FSL_LBC
71 #endif
72 #endif
73 
74 /* The TSEC driver uses the PHYLIB infrastructure */
75 #ifndef CONFIG_PHYLIB
76 #if defined(CONFIG_TSEC_ENET)
77 #define CONFIG_PHYLIB
78 
79 #include <config_phylib_all_drivers.h>
80 #endif /* TSEC_ENET */
81 #endif /* !CONFIG_PHYLIB */
82 
83 /* The FMAN driver uses the PHYLIB infrastructure */
84 #if defined(CONFIG_FMAN_ENET)
85 #define CONFIG_PHYLIB
86 #endif
87 
88 /* All PPC boards must swap IDE bytes */
89 #define CONFIG_IDE_SWAP_IO
90 
91 #if defined(CONFIG_DM_SERIAL)
92 /*
93  * TODO: Convert this to a clock driver exists that can give us the UART
94  * clock here.
95  */
96 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
97 #endif
98 
99 #endif /* _ASM_CONFIG_H_ */
100