xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision 3ebd892f)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2009-2011 Freescale Semiconductor, Inc.
4  */
5 
6 #ifndef _ASM_CONFIG_H_
7 #define _ASM_CONFIG_H_
8 
9 #ifdef CONFIG_MPC85xx
10 #include <asm/config_mpc85xx.h>
11 #endif
12 
13 #ifdef CONFIG_MPC86xx
14 #include <asm/config_mpc86xx.h>
15 #endif
16 
17 #ifdef CONFIG_MPC83xx
18 #endif
19 
20 #ifndef HWCONFIG_BUFFER_SIZE
21   #define HWCONFIG_BUFFER_SIZE 256
22 #endif
23 
24 /* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
25 #if defined(CONFIG_MPC8XXX_SPI) || defined(CONFIG_FSL_ESPI)
26 # ifndef CONFIG_HARD_SPI
27 #  define CONFIG_HARD_SPI
28 # endif
29 #endif
30 
31 #define CONFIG_LMB
32 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
33 
34 #ifndef CONFIG_MAX_MEM_MAPPED
35 #if	defined(CONFIG_E500)		|| \
36 	defined(CONFIG_MPC86xx)		|| \
37 	defined(CONFIG_E300)
38 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
39 #else
40 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
41 #endif
42 #endif
43 
44 /* Check if boards need to enable FSL DMA engine for SDRAM init */
45 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
46 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
47 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
48 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
49 #define CONFIG_FSL_DMA
50 #endif
51 #endif
52 
53 /*
54  * Provide a default boot page translation virtual address that lines up with
55  * Freescale's default e500 reset page.
56  */
57 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
58 #ifndef CONFIG_BPTR_VIRT_ADDR
59 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
60 #endif
61 #endif
62 
63 /* Since so many PPC SOCs have a semi-common LBC, define this here */
64 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
65 	defined(CONFIG_MPC83xx)
66 #if !defined(CONFIG_FSL_IFC)
67 #define CONFIG_FSL_LBC
68 #endif
69 #endif
70 
71 /* The TSEC driver uses the PHYLIB infrastructure */
72 #if defined(CONFIG_TSEC_ENET) && defined(CONFIG_PHYLIB)
73 #include <config_phylib_all_drivers.h>
74 #endif /* TSEC_ENET */
75 
76 /* The FMAN driver uses the PHYLIB infrastructure */
77 
78 /* All PPC boards must swap IDE bytes */
79 #define CONFIG_IDE_SWAP_IO
80 
81 #if defined(CONFIG_DM_SERIAL)
82 /*
83  * TODO: Convert this to a clock driver exists that can give us the UART
84  * clock here.
85  */
86 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
87 #endif
88 
89 #endif /* _ASM_CONFIG_H_ */
90