1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Bluewater Systems Snapper 9260 and 9G20 modules 4 * 5 * (C) Copyright 2011 Bluewater Systems 6 * Author: Andre Renaud <andre@bluewatersys.com> 7 * Author: Ryan Mallon <ryan@bluewatersys.com> 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 /* SoC type is defined in boards.cfg */ 14 #include <asm/hardware.h> 15 #include <linux/sizes.h> 16 17 /* ARM asynchronous clock */ 18 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */ 19 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 20 21 /* CPU */ 22 23 /* SDRAM */ 24 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 25 #define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */ 26 #define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \ 27 GENERATED_GBL_DATA_SIZE) 28 29 /* Mem test settings */ 30 31 /* NAND Flash */ 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 39 40 /* Ethernet */ 41 #define CONFIG_MACB 42 #define CONFIG_RMII 43 #define CONFIG_NET_RETRY_COUNT 20 44 #define CONFIG_RESET_PHY_R 45 #define CONFIG_AT91_WANTS_COMMON_PHY 46 #define CONFIG_TFTP_PORT 47 48 /* USB */ 49 #define CONFIG_USB_ATMEL 50 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 51 #define CONFIG_USB_OHCI_NEW 52 #define CONFIG_SYS_USB_OHCI_CPU_INIT 53 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 54 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 55 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 56 57 /* GPIOs and IO expander */ 58 #define CONFIG_ATMEL_LEGACY 59 #define CONFIG_AT91_GPIO_PULLUP 1 60 #define CONFIG_PCA953X 61 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28 62 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} } 63 64 /* UARTs/Serial console */ 65 #ifndef CONFIG_DM_SERIAL 66 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 67 #define CONFIG_USART_ID ATMEL_ID_SYS 68 #endif 69 70 /* I2C - Bit-bashed */ 71 #define CONFIG_SOFT_I2C_READ_REPEATED_START 72 #define I2C_INIT do { \ 73 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 74 at91_set_gpio_output(AT91_PIN_PA24, 1); \ 75 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ 76 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ 77 } while (0) 78 #define I2C_SOFT_DECLARATIONS 79 #define I2C_ACTIVE 80 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1); 81 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23); 82 #define I2C_SDA(bit) do { \ 83 if (bit) { \ 84 at91_set_gpio_input(AT91_PIN_PA23, 1); \ 85 } else { \ 86 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 87 at91_set_gpio_value(AT91_PIN_PA23, bit); \ 88 } \ 89 } while (0) 90 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) 91 #define I2C_DELAY udelay(2) 92 93 /* Boot options */ 94 95 #define CONFIG_BOOTP_BOOTFILESIZE 96 97 /* Environment settings */ 98 99 /* Console settings */ 100 101 #endif /* __CONFIG_H */ 102