124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Bluewater Systems Snapper 9260 and 9G20 modules
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*
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* (C) Copyright 2011 Bluewater Systems
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* Author: Andre Renaud <andre@bluewatersys.com>
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* Author: Ryan Mallon <ryan@bluewatersys.com>
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/* SoC type is defined in boards.cfg */
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#include <asm/hardware.h>
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#include <linux/sizes.h>
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/* ARM asynchronous clock */
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#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */
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#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
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/* CPU */
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#define CONFIG_ARCH_CPU_INIT
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_SKIP_LOWLEVEL_INIT
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/* SDRAM */
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#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
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#define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */
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#define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \
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GENERATED_GBL_DATA_SIZE)
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/* Mem test settings */
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#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
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/* NAND Flash */
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
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#define CONFIG_SYS_NAND_DBW_8
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#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */
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#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */
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#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
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#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
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/* Ethernet */
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#define CONFIG_MACB
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#define CONFIG_RMII
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#define CONFIG_NET_RETRY_COUNT 20
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#define CONFIG_RESET_PHY_R
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#define CONFIG_AT91_WANTS_COMMON_PHY
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#define CONFIG_TFTP_PORT
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#define CONFIG_TFTP_TSIZE
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/* USB */
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#define CONFIG_USB_ATMEL
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#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
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#define CONFIG_USB_OHCI_NEW
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#define CONFIG_SYS_USB_OHCI_CPU_INIT
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#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
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#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
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#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
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/* GPIOs and IO expander */
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#define CONFIG_ATMEL_LEGACY
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#define CONFIG_AT91_GPIO
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#define CONFIG_AT91_GPIO_PULLUP 1
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#define CONFIG_PCA953X
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#define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
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#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
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/* UARTs/Serial console */
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#define CONFIG_ATMEL_USART
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#ifndef CONFIG_DM_SERIAL
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#define CONFIG_USART_BASE ATMEL_BASE_DBGU
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#define CONFIG_USART_ID ATMEL_ID_SYS
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#endif
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/* I2C - Bit-bashed */
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
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#define CONFIG_SYS_I2C_SOFT_SPEED 100000
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#define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
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#define CONFIG_SOFT_I2C_READ_REPEATED_START
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#define I2C_INIT do { \
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at91_set_gpio_output(AT91_PIN_PA23, 1); \
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at91_set_gpio_output(AT91_PIN_PA24, 1); \
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at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
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at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
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} while (0)
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#define I2C_SOFT_DECLARATIONS
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#define I2C_ACTIVE
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#define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
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#define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
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#define I2C_SDA(bit) do { \
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if (bit) { \
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at91_set_gpio_input(AT91_PIN_PA23, 1); \
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} else { \
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at91_set_gpio_output(AT91_PIN_PA23, 1); \
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at91_set_gpio_value(AT91_PIN_PA23, bit); \
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} \
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} while (0)
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#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
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#define I2C_DELAY udelay(2)
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/* Boot options */
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#define CONFIG_SYS_LOAD_ADDR 0x23000000
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#define CONFIG_BOOTP_BOOTFILESIZE
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/* Environment settings */
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#define CONFIG_ENV_OFFSET (512 << 10)
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#define CONFIG_ENV_SIZE (256 << 10)
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#define CONFIG_ENV_OVERWRITE
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/* Console settings */
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/* U-Boot memory settings */
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#define CONFIG_SYS_MALLOC_LEN (1 << 20)
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#endif /* __CONFIG_H */
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