200 lines
5.7 KiB
C
200 lines
5.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Prafulla Wadaskar <prafulla@marvell.com>
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*
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* (C) Copyright 2009
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* (C) Copyright 2010-2011
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*/
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/*
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* for linking errors see
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* http://lists.denx.de/pipermail/u-boot/2009-July/057350.html
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*/
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#ifndef _CONFIG_KM_ARM_H
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#define _CONFIG_KM_ARM_H
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/*
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* High Level Configuration Options (easy to change)
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*/
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#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
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#define CONFIG_KW88F6281 /* SOC Name */
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#define CONFIG_MACH_TYPE MACH_TYPE_KM_KIRKWOOD
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#define CONFIG_NAND_ECC_BCH
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/* include common defines/options for all Keymile boards */
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#include "keymile-common.h"
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/* Reserve 4 MB for malloc */
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#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
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#include "asm/arch/config.h"
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#define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */
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/* architecture specific default bootargs */
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#define CONFIG_KM_DEF_BOOT_ARGS_CPU \
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"bootcountaddr=${bootcountaddr} ${mtdparts}" \
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" boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}"
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#define CONFIG_KM_DEF_ENV_CPU \
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"u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0" \
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CONFIG_KM_UPDATE_UBOOT \
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"set_fdthigh=setenv fdt_high ${kernelmem}\0" \
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"checkfdt=" \
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"if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \
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"then true; else setenv cramfsloadfdt true; " \
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"setenv boot bootm ${load_addr_r}; " \
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"echo No FDT found, booting with the kernel " \
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"appended one; fi\0" \
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""
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#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_INITRD_TAG /* enable INITRD tag */
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#define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */
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/*
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* NAND Flash configuration
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*/
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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/*
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* Other required minimal configurations
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*/
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/*
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* Ethernet Driver configuration
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*/
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#define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer autoneg timeout */
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#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
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#define CONFIG_PHY_BASE_ADR 0
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/*
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* I2C related stuff
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*/
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#undef CONFIG_I2C_MVTWSI
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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_INIT_BOARD
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#define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */
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#define CONFIG_SYS_NUM_I2C_BUSES 6
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#define CONFIG_SYS_I2C_MAX_HOPS 1
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#define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \
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{0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \
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{0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \
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{0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \
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{0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \
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{0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \
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}
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#ifndef __ASSEMBLY__
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#include <asm/arch/gpio.h>
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#include <linux/stringify.h>
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extern void __set_direction(unsigned pin, int high);
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void set_sda(int state);
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void set_scl(int state);
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int get_sda(void);
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int get_scl(void);
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#define KM_KIRKWOOD_SDA_PIN 8
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#define KM_KIRKWOOD_SCL_PIN 9
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#define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300
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#define KM_KIRKWOOD_ENV_WP 38
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#define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0)
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#define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1)
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#define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0)
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#define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit)
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#define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit)
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#endif
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#define I2C_DELAY udelay(1)
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#define I2C_SOFT_DECLARATIONS
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#define CONFIG_SYS_I2C_SOFT_SLAVE 0x0
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#define CONFIG_SYS_I2C_SOFT_SPEED 100000
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/* EEprom support 24C128, 24C256 valid for environment eeprom */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
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/*
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* Environment variables configurations
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*/
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#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
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#define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */
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#else
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#define CONFIG_SYS_DEF_EEPROM_ADDR 0x50
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#define CONFIG_ENV_EEPROM_IS_ON_I2C
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#define CONFIG_SYS_EEPROM_WREN
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#define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */
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#endif
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#define KM_FLASH_GPIO_PIN 16
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#define CONFIG_KM_UPDATE_UBOOT \
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"update=" \
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"sf probe 0;sf erase 0 +${filesize};" \
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"sf write ${load_addr_r} 0 ${filesize};\0"
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#if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
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#define CONFIG_KM_NEW_ENV \
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"newenv=sf probe 0;" \
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"sf erase " __stringify(CONFIG_ENV_OFFSET) " " \
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__stringify(CONFIG_ENV_TOTAL_SIZE)"\0"
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#else
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#define CONFIG_KM_NEW_ENV \
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"newenv=setenv addr 0x100000 && " \
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"i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \
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"mw.b ${addr} 0 4 && " \
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"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
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" ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \
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"eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \
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" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
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#endif
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#ifndef CONFIG_KM_BOARD_EXTRA_ENV
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#define CONFIG_KM_BOARD_EXTRA_ENV ""
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#endif
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/*
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* Default environment variables
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*/
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#define CONFIG_EXTRA_ENV_SETTINGS \
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CONFIG_KM_BOARD_EXTRA_ENV \
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CONFIG_KM_DEF_ENV \
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CONFIG_KM_NEW_ENV \
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"arch=arm\0" \
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""
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/* additions for new relocation code, must be added to all boards */
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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/* address for the bootcount (taken from end of RAM) */
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#define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM)
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/* enable POST tests */
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#define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS)
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#define CONFIG_POST_SKIP_ENV_FLAGS
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#define CONFIG_POST_EXTERNAL_WORD_FUNCS
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#endif /* _CONFIG_KM_ARM_H */
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