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
41 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
43 /* GPIOs and IO expander */
44 #define CONFIG_PCA953X
45 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
46 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
48 /* UARTs/Serial console */
49 #ifndef CONFIG_DM_SERIAL
50 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
51 #define CONFIG_USART_ID ATMEL_ID_SYS
54 /* I2C - Bit-bashed */
55 #define CONFIG_SOFT_I2C_READ_REPEATED_START
56 #define I2C_INIT do { \
57 at91_set_gpio_output(AT91_PIN_PA23, 1); \
58 at91_set_gpio_output(AT91_PIN_PA24, 1); \
59 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
60 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
62 #define I2C_SOFT_DECLARATIONS
64 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
65 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
66 #define I2C_SDA(bit) do { \
68 at91_set_gpio_input(AT91_PIN_PA23, 1); \
70 at91_set_gpio_output(AT91_PIN_PA23, 1); \
71 at91_set_gpio_value(AT91_PIN_PA23, bit); \
74 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
75 #define I2C_DELAY udelay(2)
79 /* Environment settings */
81 /* Console settings */
83 #endif /* __CONFIG_H */