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 #define CONFIG_ARCH_CPU_INIT 23 24 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 25 #define CONFIG_SETUP_MEMORY_TAGS 26 #define CONFIG_INITRD_TAG 27 #define CONFIG_SKIP_LOWLEVEL_INIT 28 29 /* SDRAM */ 30 #define CONFIG_NR_DRAM_BANKS 1 31 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 32 #define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */ 33 #define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \ 34 GENERATED_GBL_DATA_SIZE) 35 36 /* Mem test settings */ 37 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 38 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024)) 39 40 /* NAND Flash */ 41 #define CONFIG_NAND_ATMEL 42 #define CONFIG_SYS_MAX_NAND_DEVICE 1 43 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 44 #define CONFIG_SYS_NAND_DBW_8 45 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */ 46 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */ 47 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 48 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 49 50 /* Ethernet */ 51 #define CONFIG_MACB 52 #define CONFIG_RMII 53 #define CONFIG_NET_RETRY_COUNT 20 54 #define CONFIG_RESET_PHY_R 55 #define CONFIG_AT91_WANTS_COMMON_PHY 56 #define CONFIG_TFTP_PORT 57 #define CONFIG_TFTP_TSIZE 58 59 /* USB */ 60 #define CONFIG_USB_ATMEL 61 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 62 #define CONFIG_USB_OHCI_NEW 63 #define CONFIG_SYS_USB_OHCI_CPU_INIT 64 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 65 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 66 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 67 68 /* GPIOs and IO expander */ 69 #define CONFIG_ATMEL_LEGACY 70 #define CONFIG_AT91_GPIO 71 #define CONFIG_AT91_GPIO_PULLUP 1 72 #define CONFIG_PCA953X 73 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28 74 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} } 75 76 /* UARTs/Serial console */ 77 #define CONFIG_ATMEL_USART 78 #ifndef CONFIG_DM_SERIAL 79 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 80 #define CONFIG_USART_ID ATMEL_ID_SYS 81 #endif 82 83 /* I2C - Bit-bashed */ 84 #define CONFIG_SYS_I2C 85 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ 86 #define CONFIG_SYS_I2C_SOFT_SPEED 100000 87 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F 88 #define CONFIG_SOFT_I2C_READ_REPEATED_START 89 #define I2C_INIT do { \ 90 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 91 at91_set_gpio_output(AT91_PIN_PA24, 1); \ 92 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ 93 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ 94 } while (0) 95 #define I2C_SOFT_DECLARATIONS 96 #define I2C_ACTIVE 97 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1); 98 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23); 99 #define I2C_SDA(bit) do { \ 100 if (bit) { \ 101 at91_set_gpio_input(AT91_PIN_PA23, 1); \ 102 } else { \ 103 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 104 at91_set_gpio_value(AT91_PIN_PA23, bit); \ 105 } \ 106 } while (0) 107 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) 108 #define I2C_DELAY udelay(2) 109 110 /* Boot options */ 111 #define CONFIG_SYS_LOAD_ADDR 0x23000000 112 113 #define CONFIG_BOOTP_BOOTFILESIZE 114 115 /* Environment settings */ 116 #define CONFIG_ENV_OFFSET (512 << 10) 117 #define CONFIG_ENV_SIZE (256 << 10) 118 #define CONFIG_ENV_OVERWRITE 119 120 /* Console settings */ 121 122 /* U-Boot memory settings */ 123 #define CONFIG_SYS_MALLOC_LEN (1 << 20) 124 125 #endif /* __CONFIG_H */ 126