1 /*
2  * Bluewater Systems Snapper 9260 and 9G20 modules
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		0x21f00000
19 
20 /* ARM asynchronous clock */
21 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000 /* External Crystal, in Hz */
22 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768
23 #define CONFIG_SYS_GENERIC_BOARD
24 #define CONFIG_DM
25 #define CONFIG_CMD_DM
26 #define CONFIG_DM_GPIO
27 #define CONFIG_DM_SERIAL
28 #define CONFIG_SYS_MALLOC_F_LEN		(1 << 10)
29 
30 /* CPU */
31 #define CONFIG_ARCH_CPU_INIT
32 
33 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs	*/
34 #define CONFIG_SETUP_MEMORY_TAGS
35 #define CONFIG_INITRD_TAG
36 #define CONFIG_SKIP_LOWLEVEL_INIT
37 #define CONFIG_SKIP_RELOCATE_UBOOT
38 #define CONFIG_DISPLAY_CPUINFO
39 #define CONFIG_FIT
40 
41 /* SDRAM */
42 #define CONFIG_NR_DRAM_BANKS		1
43 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
44 #define CONFIG_SYS_SDRAM_SIZE		(64 * 1024 * 1024) /* 64MB */
45 #define CONFIG_SYS_INIT_SP_ADDR		(ATMEL_BASE_SRAM1 + 0x1000 - \
46 					 GENERATED_GBL_DATA_SIZE)
47 
48 /* Mem test settings */
49 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
50 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
51 
52 /* NAND Flash */
53 #define CONFIG_NAND_ATMEL
54 #define CONFIG_SYS_NO_FLASH
55 #define CONFIG_SYS_MAX_NAND_DEVICE	1
56 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
57 #define CONFIG_SYS_NAND_DBW_8
58 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21) /* AD21 */
59 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22) /* AD22 */
60 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
61 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
62 
63 /* Ethernet */
64 #define CONFIG_MACB
65 #define CONFIG_RMII
66 #define CONFIG_NET_RETRY_COUNT		20
67 #define CONFIG_RESET_PHY_R
68 #define CONFIG_AT91_WANTS_COMMON_PHY
69 #define CONFIG_TFTP_PORT
70 #define CONFIG_TFTP_TSIZE
71 
72 /* USB */
73 #define CONFIG_USB_ATMEL
74 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
75 #define CONFIG_USB_OHCI_NEW
76 #define CONFIG_DOS_PARTITION
77 #define CONFIG_SYS_USB_OHCI_CPU_INIT
78 #define CONFIG_SYS_USB_OHCI_REGS_BASE	ATMEL_UHP_BASE
79 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"at91sam9260"
80 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
81 #define CONFIG_USB_STORAGE
82 
83 /* GPIOs and IO expander */
84 #define CONFIG_ATMEL_LEGACY
85 #define CONFIG_AT91_GPIO
86 #define CONFIG_AT91_GPIO_PULLUP		1
87 #define CONFIG_PCA953X
88 #define CONFIG_SYS_I2C_PCA953X_ADDR	0x28
89 #define CONFIG_SYS_I2C_PCA953X_WIDTH	{ {0x28, 16} }
90 
91 /* UARTs/Serial console */
92 #define CONFIG_ATMEL_USART
93 #ifndef CONFIG_DM_SERIAL
94 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
95 #define CONFIG_USART_ID			ATMEL_ID_SYS
96 #endif
97 #define CONFIG_BAUDRATE			115200
98 #define CONFIG_SYS_PROMPT		"Snapper> "
99 
100 /* I2C - Bit-bashed */
101 #define CONFIG_SYS_I2C
102 #define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */
103 #define CONFIG_SYS_I2C_SOFT_SPEED	100000
104 #define CONFIG_SYS_I2C_SOFT_SLAVE	0x7F
105 #define CONFIG_SOFT_I2C_READ_REPEATED_START
106 #define I2C_INIT do {							\
107 		at91_set_gpio_output(AT91_PIN_PA23, 1);			\
108 		at91_set_gpio_output(AT91_PIN_PA24, 1);			\
109 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1);	\
110 		at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1);	\
111 	} while (0)
112 #define I2C_SOFT_DECLARATIONS
113 #define I2C_ACTIVE
114 #define I2C_TRISTATE	at91_set_gpio_input(AT91_PIN_PA23, 1);
115 #define I2C_READ	at91_get_gpio_value(AT91_PIN_PA23);
116 #define I2C_SDA(bit) do {						\
117 		if (bit) {						\
118 			at91_set_gpio_input(AT91_PIN_PA23, 1);		\
119 		} else {						\
120 			at91_set_gpio_output(AT91_PIN_PA23, 1);		\
121 			at91_set_gpio_value(AT91_PIN_PA23, bit);	\
122 		}							\
123 	} while (0)
124 #define I2C_SCL(bit)	at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
125 #define I2C_DELAY	udelay(2)
126 
127 /* Boot options */
128 #define CONFIG_SYS_LOAD_ADDR		0x23000000
129 #define CONFIG_BOOTDELAY		3
130 #define CONFIG_ZERO_BOOTDELAY_CHECK
131 
132 #define CONFIG_BOOTP_BOOTFILESIZE
133 #define CONFIG_BOOTP_BOOTPATH
134 #define CONFIG_BOOTP_GATEWAY
135 #define CONFIG_BOOTP_HOSTNAME
136 
137 /* Environment settings */
138 #define CONFIG_ENV_IS_IN_NAND
139 #define CONFIG_ENV_OFFSET		(512 << 10)
140 #define CONFIG_ENV_SIZE			(256 << 10)
141 #define CONFIG_ENV_OVERWRITE
142 #define CONFIG_BOOTARGS			"console=ttyS0,115200 ip=any"
143 
144 /* Console settings */
145 #define CONFIG_SYS_CBSIZE		256
146 #define CONFIG_SYS_MAXARGS		16
147 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
148 					 sizeof(CONFIG_SYS_PROMPT) + 16)
149 #define CONFIG_SYS_LONGHELP
150 #define CONFIG_CMDLINE_EDITING
151 #define CONFIG_AUTO_COMPLETE
152 #define CONFIG_SYS_HUSH_PARSER
153 
154 /* U-Boot memory settings */
155 #define CONFIG_SYS_MALLOC_LEN		(1 << 20)
156 
157 /* Command line configuration */
158 #include <config_cmd_default.h>
159 #undef CONFIG_CMD_BDI
160 #undef CONFIG_CMD_FPGA
161 #undef CONFIG_CMD_IMI
162 #undef CONFIG_CMD_IMLS
163 #undef CONFIG_CMD_LOADS
164 #undef CONFIG_CMD_SOURCE
165 
166 #define CONFIG_CMD_PING
167 #define CONFIG_CMD_DHCP
168 #define CONFIG_CMD_FAT
169 #define CONFIG_CMD_I2C
170 #define CONFIG_CMD_GPIO
171 #define CONFIG_CMD_USB
172 #define CONFIG_CMD_MII
173 #define CONFIG_CMD_NAND
174 #define CONFIG_CMD_PCA953X
175 #define CONFIG_CMD_PCA953X_INFO
176 
177 #endif /* __CONFIG_H */
178