xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision be059e88)
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_4xx)		|| \
39 	defined(CONFIG_E500)		|| \
40 	defined(CONFIG_MPC86xx)		|| \
41 	defined(CONFIG_E300)
42 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
43 #else
44 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
45 #endif
46 #endif
47 
48 /* Check if boards need to enable FSL DMA engine for SDRAM init */
49 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
50 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
51 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
52 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
53 #define CONFIG_FSL_DMA
54 #endif
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 /* Since so many PPC SOCs have a semi-common LBC, define this here */
68 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
69 	defined(CONFIG_MPC83xx)
70 #if !defined(CONFIG_FSL_IFC)
71 #define CONFIG_FSL_LBC
72 #endif
73 #endif
74 
75 /* The TSEC driver uses the PHYLIB infrastructure */
76 #ifndef CONFIG_PHYLIB
77 #if defined(CONFIG_TSEC_ENET)
78 #define CONFIG_PHYLIB
79 
80 #include <config_phylib_all_drivers.h>
81 #endif /* TSEC_ENET */
82 #endif /* !CONFIG_PHYLIB */
83 
84 /* The FMAN driver uses the PHYLIB infrastructure */
85 #if defined(CONFIG_FMAN_ENET)
86 #define CONFIG_PHYLIB
87 #endif
88 
89 /* All PPC boards must swap IDE bytes */
90 #define CONFIG_IDE_SWAP_IO
91 
92 #if defined(CONFIG_DM_SERIAL)
93 /*
94  * TODO: Convert this to a clock driver exists that can give us the UART
95  * clock here.
96  */
97 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
98 #endif
99 
100 #endif /* _ASM_CONFIG_H_ */
101