1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Bluewater Systems Snapper 9260 and 9G20 modules
5 * (C) Copyright 2011 Bluewater Systems
6 * Author: Andre Renaud <andre@bluewatersys.com>
7 * Author: Ryan Mallon <ryan@bluewatersys.com>
13 /* SoC type is defined in boards.cfg */
14 #include <asm/hardware.h>
15 #include <linux/sizes.h>
17 /* ARM asynchronous clock */
18 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */
19 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
24 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
25 #define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */
26 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
27 #define CONFIG_SYS_INIT_RAM_ADDR ATMEL_BASE_SRAM1
29 /* Mem test settings */
32 #define CONFIG_SYS_MAX_NAND_DEVICE 1
33 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
34 #define CONFIG_SYS_NAND_DBW_8
35 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */
36 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */
37 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
38 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
40 /* GPIOs and IO expander */
41 #define CONFIG_PCA953X
42 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
43 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
45 /* UARTs/Serial console */
46 #ifndef CONFIG_DM_SERIAL
47 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
48 #define CONFIG_USART_ID ATMEL_ID_SYS
51 /* I2C - Bit-bashed */
52 #define CONFIG_SOFT_I2C_READ_REPEATED_START
53 #define I2C_INIT do { \
54 at91_set_gpio_output(AT91_PIN_PA23, 1); \
55 at91_set_gpio_output(AT91_PIN_PA24, 1); \
56 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
57 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
59 #define I2C_SOFT_DECLARATIONS
61 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
62 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
63 #define I2C_SDA(bit) do { \
65 at91_set_gpio_input(AT91_PIN_PA23, 1); \
67 at91_set_gpio_output(AT91_PIN_PA23, 1); \
68 at91_set_gpio_value(AT91_PIN_PA23, bit); \
71 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
72 #define I2C_DELAY udelay(2)
76 /* Environment settings */
78 /* Console settings */
80 #endif /* __CONFIG_H */