xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision b254c529)
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 
35 #ifndef CONFIG_MAX_MEM_MAPPED
36 #if	defined(CONFIG_E500)		|| \
37 	defined(CONFIG_MPC86xx)		|| \
38 	defined(CONFIG_E300)
39 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
40 #else
41 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
42 #endif
43 #endif
44 
45 /* Check if boards need to enable FSL DMA engine for SDRAM init */
46 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
47 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
48 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
49 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
50 #define CONFIG_FSL_DMA
51 #endif
52 #endif
53 
54 /*
55  * Provide a default boot page translation virtual address that lines up with
56  * Freescale's default e500 reset page.
57  */
58 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
59 #ifndef CONFIG_BPTR_VIRT_ADDR
60 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
61 #endif
62 #endif
63 
64 /* Since so many PPC SOCs have a semi-common LBC, define this here */
65 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
66 	defined(CONFIG_MPC83xx)
67 #if !defined(CONFIG_FSL_IFC)
68 #define CONFIG_FSL_LBC
69 #endif
70 #endif
71 
72 /* The TSEC driver uses the PHYLIB infrastructure */
73 #if defined(CONFIG_TSEC_ENET) && defined(CONFIG_PHYLIB)
74 #include <config_phylib_all_drivers.h>
75 #endif /* TSEC_ENET */
76 
77 /* The FMAN driver uses the PHYLIB infrastructure */
78 
79 /* All PPC boards must swap IDE bytes */
80 #define CONFIG_IDE_SWAP_IO
81 
82 #if defined(CONFIG_DM_SERIAL)
83 /*
84  * TODO: Convert this to a clock driver exists that can give us the UART
85  * clock here.
86  */
87 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
88 #endif
89 
90 #endif /* _ASM_CONFIG_H_ */
91