xref: /openbmc/u-boot/arch/powerpc/include/asm/config.h (revision bf494d7e)
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 #ifndef HWCONFIG_BUFFER_SIZE
18   #define HWCONFIG_BUFFER_SIZE 256
19 #endif
20 
21 /* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
22 #if defined(CONFIG_MPC8XXX_SPI) || defined(CONFIG_FSL_ESPI)
23 # ifndef CONFIG_HARD_SPI
24 #  define CONFIG_HARD_SPI
25 # endif
26 #endif
27 
28 #define CONFIG_LMB
29 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
30 
31 #ifndef CONFIG_MAX_MEM_MAPPED
32 #if	defined(CONFIG_E500)		|| \
33 	defined(CONFIG_MPC86xx)		|| \
34 	defined(CONFIG_E300)
35 #define CONFIG_MAX_MEM_MAPPED	((phys_size_t)2 << 30)
36 #else
37 #define CONFIG_MAX_MEM_MAPPED	(256 << 20)
38 #endif
39 #endif
40 
41 /* Check if boards need to enable FSL DMA engine for SDRAM init */
42 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
43 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
44 	((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
45 	!defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
46 #define CONFIG_FSL_DMA
47 #endif
48 #endif
49 
50 /*
51  * Provide a default boot page translation virtual address that lines up with
52  * Freescale's default e500 reset page.
53  */
54 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
55 #ifndef CONFIG_BPTR_VIRT_ADDR
56 #define CONFIG_BPTR_VIRT_ADDR	0xfffff000
57 #endif
58 #endif
59 
60 /* Since so many PPC SOCs have a semi-common LBC, define this here */
61 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
62 	defined(CONFIG_MPC83xx)
63 #if !defined(CONFIG_FSL_IFC)
64 #define CONFIG_FSL_LBC
65 #endif
66 #endif
67 
68 /* The TSEC driver uses the PHYLIB infrastructure */
69 #if defined(CONFIG_TSEC_ENET) && defined(CONFIG_PHYLIB)
70 #include <config_phylib_all_drivers.h>
71 #endif /* TSEC_ENET */
72 
73 /* The FMAN driver uses the PHYLIB infrastructure */
74 
75 /* All PPC boards must swap IDE bytes */
76 #define CONFIG_IDE_SWAP_IO
77 
78 #if defined(CONFIG_DM_SERIAL) && !defined(CONFIG_CLK_MPC83XX)
79 /*
80  * TODO: Convert this to a clock driver exists that can give us the UART
81  * clock here.
82  */
83 #define CONFIG_SYS_NS16550_CLK		get_serial_clock()
84 #endif
85 
86 #endif /* _ASM_CONFIG_H_ */
87