2 * Bluewater Systems Snapper 9260 and 9G20 modules
4 * (C) Copyright 2011 Bluewater Systems
5 * Author: Andre Renaud <andre@bluewatersys.com>
6 * Author: Ryan Mallon <ryan@bluewatersys.com>
8 * SPDX-License-Identifier: GPL-2.0+
14 /* SoC type is defined in boards.cfg */
15 #include <asm/hardware.h>
16 #include <linux/sizes.h>
18 #define CONFIG_SYS_TEXT_BASE 0x21f00000
20 /* ARM asynchronous clock */
21 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */
22 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
25 #define CONFIG_ARCH_CPU_INIT
27 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
28 #define CONFIG_SETUP_MEMORY_TAGS
29 #define CONFIG_INITRD_TAG
30 #define CONFIG_SKIP_LOWLEVEL_INIT
33 #define CONFIG_NR_DRAM_BANKS 1
34 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
35 #define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */
36 #define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \
37 GENERATED_GBL_DATA_SIZE)
39 /* Mem test settings */
40 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
41 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
44 #define CONFIG_NAND_ATMEL
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_PC13
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
63 #define CONFIG_USB_ATMEL
64 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
65 #define CONFIG_USB_OHCI_NEW
66 #define CONFIG_SYS_USB_OHCI_CPU_INIT
67 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
68 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
69 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
71 /* GPIOs and IO expander */
72 #define CONFIG_ATMEL_LEGACY
73 #define CONFIG_AT91_GPIO
74 #define CONFIG_AT91_GPIO_PULLUP 1
75 #define CONFIG_PCA953X
76 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
77 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
79 /* UARTs/Serial console */
80 #define CONFIG_ATMEL_USART
81 #ifndef CONFIG_DM_SERIAL
82 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
83 #define CONFIG_USART_ID ATMEL_ID_SYS
86 /* I2C - Bit-bashed */
87 #define CONFIG_SYS_I2C
88 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
89 #define CONFIG_SYS_I2C_SOFT_SPEED 100000
90 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
91 #define CONFIG_SOFT_I2C_READ_REPEATED_START
92 #define I2C_INIT do { \
93 at91_set_gpio_output(AT91_PIN_PA23, 1); \
94 at91_set_gpio_output(AT91_PIN_PA24, 1); \
95 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
96 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
98 #define I2C_SOFT_DECLARATIONS
100 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
101 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
102 #define I2C_SDA(bit) do { \
104 at91_set_gpio_input(AT91_PIN_PA23, 1); \
106 at91_set_gpio_output(AT91_PIN_PA23, 1); \
107 at91_set_gpio_value(AT91_PIN_PA23, bit); \
110 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
111 #define I2C_DELAY udelay(2)
114 #define CONFIG_SYS_LOAD_ADDR 0x23000000
116 #define CONFIG_BOOTP_BOOTFILESIZE
117 #define CONFIG_BOOTP_BOOTPATH
118 #define CONFIG_BOOTP_GATEWAY
119 #define CONFIG_BOOTP_HOSTNAME
121 /* Environment settings */
122 #define CONFIG_ENV_OFFSET (512 << 10)
123 #define CONFIG_ENV_SIZE (256 << 10)
124 #define CONFIG_ENV_OVERWRITE
125 #define CONFIG_BOOTARGS "console=ttyS0,115200 ip=any"
127 /* Console settings */
128 #define CONFIG_SYS_CBSIZE 256
129 #define CONFIG_SYS_MAXARGS 16
130 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
131 sizeof(CONFIG_SYS_PROMPT) + 16)
132 #define CONFIG_SYS_LONGHELP
133 #define CONFIG_CMDLINE_EDITING
134 #define CONFIG_AUTO_COMPLETE
136 /* U-Boot memory settings */
137 #define CONFIG_SYS_MALLOC_LEN (1 << 20)
139 #endif /* __CONFIG_H */