1 /* 2 * Bluewater Systems Snapper 9260 and 9G20 modules 3 * 4 * (C) Copyright 2011 Bluewater Systems 5 * Author: Andre Renaud <andre@bluewatersys.com> 6 * Author: Ryan Mallon <ryan@bluewatersys.com> 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef __CONFIG_H 12 #define __CONFIG_H 13 14 /* SoC type is defined in boards.cfg */ 15 #include <asm/hardware.h> 16 #include <linux/sizes.h> 17 18 #define CONFIG_SYS_TEXT_BASE 0x21f00000 19 20 /* ARM asynchronous clock */ 21 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */ 22 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 23 24 /* CPU */ 25 #define CONFIG_ARCH_CPU_INIT 26 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 31 32 /* SDRAM */ 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) 38 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)) 42 43 /* NAND Flash */ 44 #define CONFIG_NAND_ATMEL 45 #define CONFIG_SYS_NO_FLASH 46 #define CONFIG_SYS_MAX_NAND_DEVICE 1 47 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 48 #define CONFIG_SYS_NAND_DBW_8 49 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */ 50 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */ 51 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 52 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 53 54 /* Ethernet */ 55 #define CONFIG_MACB 56 #define CONFIG_RMII 57 #define CONFIG_NET_RETRY_COUNT 20 58 #define CONFIG_RESET_PHY_R 59 #define CONFIG_AT91_WANTS_COMMON_PHY 60 #define CONFIG_TFTP_PORT 61 #define CONFIG_TFTP_TSIZE 62 63 /* USB */ 64 #define CONFIG_USB_ATMEL 65 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 66 #define CONFIG_USB_OHCI_NEW 67 #define CONFIG_DOS_PARTITION 68 #define CONFIG_SYS_USB_OHCI_CPU_INIT 69 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 70 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 71 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 72 73 /* GPIOs and IO expander */ 74 #define CONFIG_ATMEL_LEGACY 75 #define CONFIG_AT91_GPIO 76 #define CONFIG_AT91_GPIO_PULLUP 1 77 #define CONFIG_PCA953X 78 #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28 79 #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} } 80 81 /* UARTs/Serial console */ 82 #define CONFIG_ATMEL_USART 83 #ifndef CONFIG_DM_SERIAL 84 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 85 #define CONFIG_USART_ID ATMEL_ID_SYS 86 #endif 87 #define CONFIG_BAUDRATE 115200 88 89 /* I2C - Bit-bashed */ 90 #define CONFIG_SYS_I2C 91 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ 92 #define CONFIG_SYS_I2C_SOFT_SPEED 100000 93 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F 94 #define CONFIG_SOFT_I2C_READ_REPEATED_START 95 #define I2C_INIT do { \ 96 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 97 at91_set_gpio_output(AT91_PIN_PA24, 1); \ 98 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ 99 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ 100 } while (0) 101 #define I2C_SOFT_DECLARATIONS 102 #define I2C_ACTIVE 103 #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1); 104 #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23); 105 #define I2C_SDA(bit) do { \ 106 if (bit) { \ 107 at91_set_gpio_input(AT91_PIN_PA23, 1); \ 108 } else { \ 109 at91_set_gpio_output(AT91_PIN_PA23, 1); \ 110 at91_set_gpio_value(AT91_PIN_PA23, bit); \ 111 } \ 112 } while (0) 113 #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) 114 #define I2C_DELAY udelay(2) 115 116 /* Boot options */ 117 #define CONFIG_SYS_LOAD_ADDR 0x23000000 118 119 #define CONFIG_BOOTP_BOOTFILESIZE 120 #define CONFIG_BOOTP_BOOTPATH 121 #define CONFIG_BOOTP_GATEWAY 122 #define CONFIG_BOOTP_HOSTNAME 123 124 /* Environment settings */ 125 #define CONFIG_ENV_IS_IN_NAND 126 #define CONFIG_ENV_OFFSET (512 << 10) 127 #define CONFIG_ENV_SIZE (256 << 10) 128 #define CONFIG_ENV_OVERWRITE 129 #define CONFIG_BOOTARGS "console=ttyS0,115200 ip=any" 130 131 /* Console settings */ 132 #define CONFIG_SYS_CBSIZE 256 133 #define CONFIG_SYS_MAXARGS 16 134 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 135 sizeof(CONFIG_SYS_PROMPT) + 16) 136 #define CONFIG_SYS_LONGHELP 137 #define CONFIG_CMDLINE_EDITING 138 #define CONFIG_AUTO_COMPLETE 139 140 /* U-Boot memory settings */ 141 #define CONFIG_SYS_MALLOC_LEN (1 << 20) 142 143 /* Command line configuration */ 144 #define CONFIG_CMD_NAND 145 #define CONFIG_CMD_PCA953X 146 #define CONFIG_CMD_PCA953X_INFO 147 148 #endif /* __CONFIG_H */ 149