1 /*
2  * Bluewater Systems Snapper 9G45 module
3  *
4  * (C) Copyright 2011 Bluewater Systems
5  *   Author: Andre Renaud <andre@bluewatersys.com>
6  *   Author: Ryan Mallon <ryan@bluewatersys.com>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13 
14 /* SoC type is defined in boards.cfg */
15 #include <asm/hardware.h>
16 #include <linux/sizes.h>
17 
18 #define CONFIG_SYS_TEXT_BASE		0x73f00000
19 
20 /* ARM asynchronous clock */
21 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
22 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768
23 
24 /* CPU */
25 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
26 #define CONFIG_SETUP_MEMORY_TAGS
27 #define CONFIG_INITRD_TAG
28 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY
29 
30 /* SDRAM */
31 #define CONFIG_NR_DRAM_BANKS		1
32 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS6
33 #define CONFIG_SYS_SDRAM_SIZE		(128 * 1024 * 1024) /* 64MB */
34 #define CONFIG_SYS_INIT_SP_ADDR		(ATMEL_BASE_SRAM + 0x1000 - \
35 					 GENERATED_GBL_DATA_SIZE)
36 
37 /* Mem test settings */
38 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
39 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
40 
41 /* NAND Flash */
42 #define CONFIG_NAND_ATMEL
43 #define CONFIG_ATMEL_NAND_HWECC
44 #define CONFIG_SYS_NAND_ECC_BASE	ATMEL_BASE_ECC
45 #define CONFIG_SYS_MAX_NAND_DEVICE	1
46 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
47 #define CONFIG_SYS_NAND_DBW_8
48 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21) /* AD21 */
49 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22) /* AD22 */
50 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
51 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC8
52 
53 /* Ethernet */
54 #define CONFIG_MACB
55 #define CONFIG_RMII
56 #define CONFIG_NET_RETRY_COUNT		20
57 #define CONFIG_RESET_PHY_R
58 #define CONFIG_AT91_WANTS_COMMON_PHY
59 #define CONFIG_TFTP_PORT
60 #define CONFIG_TFTP_TSIZE
61 
62 /* MMC */
63 #define CONFIG_GENERIC_ATMEL_MCI
64 
65 /* LCD */
66 #define CONFIG_ATMEL_LCD
67 #define CONFIG_GURNARD_SPLASH
68 
69 #define CONFIG_ATMEL_SPI
70 
71 /* GPIOs and IO expander */
72 #define CONFIG_ATMEL_LEGACY
73 #define CONFIG_AT91_GPIO
74 #define CONFIG_AT91_GPIO_PULLUP		1
75 
76 /* UARTs/Serial console */
77 #define CONFIG_ATMEL_USART
78 
79 /* Boot options */
80 #define CONFIG_SYS_LOAD_ADDR		0x23000000
81 
82 #define CONFIG_BOOTP_BOOTFILESIZE
83 #define CONFIG_BOOTP_BOOTPATH
84 #define CONFIG_BOOTP_GATEWAY
85 #define CONFIG_BOOTP_HOSTNAME
86 
87 /* Environment settings */
88 #define CONFIG_ENV_OFFSET		(512 << 10)
89 #define CONFIG_ENV_SIZE			(256 << 10)
90 #define CONFIG_ENV_OVERWRITE
91 
92 #define	CONFIG_EXTRA_ENV_SETTINGS	\
93 	"ethaddr=00:00:00:00:00:00\0" \
94 	"serial=0\0" \
95 	"stdout=serial_atmel\0" \
96 	"stderr=serial_atmel\0" \
97 	"stdin=serial_atmel\0" \
98 	"bootlimit=3\0" \
99 	"loadaddr=0x71000000\0" \
100 	"board_rev=2\0" \
101 	"bootfile=/tftpboot/uImage\0" \
102 	"bootargs_def=console=ttyS0,115200 panic=5 quiet lpj=997376\0" \
103 	"nfsroot=/export/root\0" \
104 	"boot_working=setenv bootargs $bootargs_def; nboot $loadaddr 0 0x20c0000 && bootm\0" \
105 	"boot_safe=setenv bootargs $bootargs_def; nboot $loadaddr 0 0xc0000 && bootm\0" \
106 	"boot_tftp=setenv bootargs $bootargs_def ip=any nfsroot=$nfsroot; setenv autoload y && bootp && bootm\0" \
107 	"boot_usb=setenv bootargs $bootargs_def; usb start && usb storage && fatload usb 0:1 $loadaddr dds-xm200.bin && bootm\0" \
108 	"boot_mmc=setenv bootargs $bootargs_def; mmc rescan && fatload mmc 0:1 $loadaddr dds-xm200.bin && bootm\0" \
109 	"bootcmd=run boot_mmc ; run boot_usb ; run boot_working ; run boot_safe\0" \
110 	"altbootcmd=run boot_mmc ; run boot_usb ; run boot_safe ; run boot_working\0"
111 
112 /* Console settings */
113 #define CONFIG_SYS_CBSIZE		256
114 #define CONFIG_SYS_MAXARGS		16
115 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
116 					 sizeof(CONFIG_SYS_PROMPT) + 16)
117 #define CONFIG_SYS_LONGHELP
118 #define CONFIG_CMDLINE_EDITING
119 #define CONFIG_AUTO_COMPLETE
120 
121 /* U-Boot memory settings */
122 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)
123 
124 /* Command line configuration */
125 #define CONFIG_CMD_PING
126 #define CONFIG_CMD_DHCP
127 #define CONFIG_CMD_USB
128 #define CONFIG_CMD_MII
129 #define CONFIG_CMD_MMC
130 #define CONFIG_CMD_CACHE
131 
132 #endif /* __CONFIG_H */
133