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BSP 최초 추가
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/*
* Bluewater Systems Snapper 9260 and 9G20 modules
*
* (C) Copyright 2011 Bluewater Systems
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: Ryan Mallon <ryan@bluewatersys.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* SoC type is defined in boards.cfg */
#include <asm/hardware.h>
#include <linux/sizes.h>
#define CONFIG_SYS_TEXT_BASE 0x21f00000
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define CONFIG_SYS_GENERIC_BOARD
/* CPU */
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_FIT
/* SDRAM */
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */
#define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \
GENERATED_GBL_DATA_SIZE)
/* Mem test settings */
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
/* NAND Flash */
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_RESET_PHY_R
#define CONFIG_AT91_WANTS_COMMON_PHY
#define CONFIG_TFTP_PORT
#define CONFIG_TFTP_TSIZE
/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
#define CONFIG_USB_OHCI_NEW
#define CONFIG_DOS_PARTITION
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_USB_STORAGE
/* GPIOs and IO expander */
#define CONFIG_ATMEL_LEGACY
#define CONFIG_AT91_GPIO
#define CONFIG_AT91_GPIO_PULLUP 1
#define CONFIG_PCA953X
#define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
/* UARTs/Serial console */
#define CONFIG_ATMEL_USART
#ifndef CONFIG_DM_SERIAL
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
#define CONFIG_USART_ID ATMEL_ID_SYS
#endif
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_PROMPT "Snapper> "
/* I2C - Bit-bashed */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
#define CONFIG_SYS_I2C_SOFT_SPEED 100000
#define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
#define CONFIG_SOFT_I2C_READ_REPEATED_START
#define I2C_INIT do { \
at91_set_gpio_output(AT91_PIN_PA23, 1); \
at91_set_gpio_output(AT91_PIN_PA24, 1); \
at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
} while (0)
#define I2C_SOFT_DECLARATIONS
#define I2C_ACTIVE
#define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
#define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
#define I2C_SDA(bit) do { \
if (bit) { \
at91_set_gpio_input(AT91_PIN_PA23, 1); \
} else { \
at91_set_gpio_output(AT91_PIN_PA23, 1); \
at91_set_gpio_value(AT91_PIN_PA23, bit); \
} \
} while (0)
#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
#define I2C_DELAY udelay(2)
/* Boot options */
#define CONFIG_SYS_LOAD_ADDR 0x23000000
#define CONFIG_BOOTDELAY 3
#define CONFIG_ZERO_BOOTDELAY_CHECK
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/* Environment settings */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET (512 << 10)
#define CONFIG_ENV_SIZE (256 << 10)
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BOOTARGS "console=ttyS0,115200 ip=any"
/* Console settings */
#define CONFIG_SYS_CBSIZE 256
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_LONGHELP
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_HUSH_PARSER
/* U-Boot memory settings */
#define CONFIG_SYS_MALLOC_LEN (1 << 20)
/* Command line configuration */
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_SOURCE
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_FAT
#define CONFIG_CMD_I2C
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_USB
#define CONFIG_CMD_MII
#define CONFIG_CMD_NAND
#define CONFIG_CMD_PCA953X
#define CONFIG_CMD_PCA953X_INFO
#endif /* __CONFIG_H */
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