1 /*
2  * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
3  *
4  * Configuration settings for the MX31ADS Freescale board.
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef __CONFIG_H
10 #define __CONFIG_H
11 
12 #include <asm/arch/imx-regs.h>
13 
14  /* High Level Configuration Options */
15 #define CONFIG_MX31		1		/* This is a mx31 */
16 
17 #define CONFIG_SYS_GENERIC_BOARD
18 
19 #define CONFIG_DISPLAY_CPUINFO
20 #define CONFIG_DISPLAY_BOARDINFO
21 
22 #define CONFIG_SYS_TEXT_BASE		0xA0000000
23 
24 #define CONFIG_MACH_TYPE	MACH_TYPE_MX31ADS
25 
26 /*
27  * Disabled for now due to build problems under Debian and a significant increase
28  * in the final file size: 144260 vs. 109536 Bytes.
29  */
30 #if 0
31 #define CONFIG_OF_LIBFDT		1
32 #define CONFIG_FIT			1
33 #define CONFIG_FIT_VERBOSE		1
34 #endif
35 
36 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
37 #define CONFIG_SETUP_MEMORY_TAGS	1
38 #define CONFIG_INITRD_TAG		1
39 
40 /*
41  * Size of malloc() pool
42  */
43 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
44 
45 /*
46  * Hardware drivers
47  */
48 
49 #define CONFIG_MXC_UART
50 #define CONFIG_MXC_UART_BASE	UART1_BASE
51 
52 #define CONFIG_HARD_SPI		1
53 #define CONFIG_MXC_SPI		1
54 #define CONFIG_DEFAULT_SPI_BUS	1
55 #define CONFIG_DEFAULT_SPI_MODE	(SPI_MODE_0 | SPI_CS_HIGH)
56 #define CONFIG_MXC_GPIO
57 
58 /* PMIC Controller */
59 #define CONFIG_POWER
60 #define CONFIG_POWER_SPI
61 #define CONFIG_POWER_FSL
62 #define CONFIG_FSL_PMIC_BUS	1
63 #define CONFIG_FSL_PMIC_CS	0
64 #define CONFIG_FSL_PMIC_CLK	1000000
65 #define CONFIG_FSL_PMIC_MODE	(SPI_MODE_0 | SPI_CS_HIGH)
66 #define CONFIG_FSL_PMIC_BITLEN	32
67 #define CONFIG_RTC_MC13XXX
68 
69 /* allow to overwrite serial and ethaddr */
70 #define CONFIG_ENV_OVERWRITE
71 #define CONFIG_CONS_INDEX	1
72 #define CONFIG_BAUDRATE		115200
73 
74 /***********************************************************
75  * Command definition
76  ***********************************************************/
77 #define CONFIG_CMD_PING
78 #define CONFIG_CMD_DHCP
79 #define CONFIG_CMD_SPI
80 #define CONFIG_CMD_DATE
81 
82 #define CONFIG_BOOTDELAY	3
83 
84 #define CONFIG_LOADADDR		0x80800000	/* loadaddr env var */
85 
86 #define	CONFIG_EXTRA_ENV_SETTINGS					\
87 	"netdev=eth0\0"							\
88 	"uboot_addr=0xa0000000\0"					\
89 	"uboot=mx31ads/u-boot.bin\0"					\
90 	"kernel=mx31ads/uImage\0"					\
91 	"nfsroot=/opt/eldk/arm\0"					\
92 	"bootargs_base=setenv bootargs console=ttymxc0,115200\0"	\
93 	"bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs "	\
94 		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0"	\
95 	"bootcmd=run bootcmd_net\0"					\
96 	"bootcmd_net=run bootargs_base bootargs_nfs; "			\
97 		"tftpboot ${loadaddr} ${kernel}; bootm\0"		\
98 	"prg_uboot=tftpboot ${loadaddr} ${uboot}; "			\
99 		"protect off ${uboot_addr} 0xa003ffff; "		\
100 		"erase ${uboot_addr} 0xa003ffff; "			\
101 		"cp.b ${loadaddr} ${uboot_addr} ${filesize}; "		\
102 		"setenv filesize; saveenv\0"
103 
104 #define CONFIG_CS8900
105 #define CONFIG_CS8900_BASE	0xb4020300
106 #define CONFIG_CS8900_BUS16		1	/* follow the Linux driver */
107 
108 /*
109  * The MX31ADS board seems to have a hardware "peculiarity" confirmed under
110  * U-Boot, RedBoot and Linux: the ethernet Rx signal is reaching the CS8900A
111  * controller inverted. The controller is capable of detecting and correcting
112  * this, but it needs 4 network packets for that. Which means, at startup, you
113  * will not receive answers to the first 4 packest, unless there have been some
114  * broadcasts on the network, or your board is on a hub. Reducing the ARP
115  * timeout from default 5 seconds to 200ms we speed up the initial TFTP
116  * transfer, should the user wish one, significantly.
117  */
118 #define CONFIG_ARP_TIMEOUT	200UL
119 
120 /*
121  * Miscellaneous configurable options
122  */
123 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
124 #define CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size */
125 /* Print Buffer Size */
126 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
127 #define CONFIG_SYS_MAXARGS		16		/* max number of command args */
128 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
129 
130 #define CONFIG_SYS_MEMTEST_START	0		/* memtest works on */
131 #define CONFIG_SYS_MEMTEST_END		0x10000
132 
133 #define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
134 
135 #define CONFIG_CMDLINE_EDITING	1
136 
137 /*-----------------------------------------------------------------------
138  * Physical Memory Map
139  */
140 #define CONFIG_NR_DRAM_BANKS	1
141 #define PHYS_SDRAM_1		CSD0_BASE
142 #define PHYS_SDRAM_1_SIZE	(128 * 1024 * 1024)
143 #define CONFIG_BOARD_EARLY_INIT_F
144 
145 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
146 #define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
147 #define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
148 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
149 						GENERATED_GBL_DATA_SIZE)
150 #define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_INIT_RAM_ADDR + \
151 						CONFIG_SYS_GBL_DATA_OFFSET)
152 
153 /*-----------------------------------------------------------------------
154  * FLASH and environment organization
155  */
156 #define CONFIG_SYS_FLASH_BASE		CS0_BASE
157 #define CONFIG_SYS_MAX_FLASH_BANKS	1		/* max number of memory banks */
158 #define CONFIG_SYS_MAX_FLASH_SECT	262		/* max number of sectors on one chip */
159 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE	/* Monitor at beginning of flash */
160 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024)	/* Reserve 256KiB */
161 
162 #define	CONFIG_ENV_IS_IN_FLASH	1
163 #define CONFIG_ENV_SECT_SIZE	(128 * 1024)
164 #define CONFIG_ENV_SIZE		CONFIG_ENV_SECT_SIZE
165 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
166 
167 /* Address and size of Redundant Environment Sector	*/
168 #define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR + CONFIG_ENV_SIZE)
169 #define CONFIG_ENV_SIZE_REDUND	CONFIG_ENV_SIZE
170 
171 
172 /*-----------------------------------------------------------------------
173  * CFI FLASH driver setup
174  */
175 #define CONFIG_SYS_FLASH_CFI			1 /* Flash memory is CFI compliant */
176 #define CONFIG_FLASH_CFI_DRIVER		1 /* Use drivers/cfi_flash.c */
177 #define CONFIG_FLASH_SPANSION_S29WS_N	1 /* A non-standard buffered write algorithm */
178 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1 /* Use buffered writes (~10x faster) */
179 #define CONFIG_SYS_FLASH_PROTECTION		1 /* Use hardware sector protection */
180 
181 /*
182  * JFFS2 partitions
183  */
184 #undef CONFIG_CMD_MTDPARTS
185 #define CONFIG_JFFS2_DEV	"nor0"
186 
187 #endif /* __CONFIG_H */
188