1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2009 4 * Marvell Semiconductor <www.marvell.com> 5 * Prafulla Wadaskar <prafulla@marvell.com> 6 * 7 * (C) Copyright 2009 8 * Stefan Roese, DENX Software Engineering, sr@denx.de. 9 * 10 * (C) Copyright 2010-2011 11 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 12 */ 13 14 /* 15 * for linking errors see 16 * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html 17 */ 18 19 #ifndef _CONFIG_KM_ARM_H 20 #define _CONFIG_KM_ARM_H 21 22 /* 23 * High Level Configuration Options (easy to change) 24 */ 25 #define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */ 26 #define CONFIG_KW88F6281 /* SOC Name */ 27 28 #define CONFIG_MACH_TYPE MACH_TYPE_KM_KIRKWOOD 29 30 #define CONFIG_NAND_ECC_BCH 31 32 /* include common defines/options for all Keymile boards */ 33 #include "keymile-common.h" 34 35 /* Reserve 4 MB for malloc */ 36 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 37 38 /* Increase max size of compressed kernel */ 39 #define CONFIG_SYS_BOOTM_LEN (32 << 20) 40 41 #include "asm/arch/config.h" 42 43 #define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */ 44 45 /* architecture specific default bootargs */ 46 #define CONFIG_KM_DEF_BOOT_ARGS_CPU \ 47 "bootcountaddr=${bootcountaddr} ${mtdparts}" \ 48 " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}" 49 50 #define CONFIG_KM_DEF_ENV_CPU \ 51 "u-boot=" CONFIG_HOSTNAME "/u-boot.kwb\0" \ 52 CONFIG_KM_UPDATE_UBOOT \ 53 "set_fdthigh=setenv fdt_high ${kernelmem}\0" \ 54 "checkfdt=" \ 55 "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \ 56 "then true; else setenv cramfsloadfdt true; " \ 57 "setenv boot bootm ${load_addr_r}; " \ 58 "echo No FDT found, booting with the kernel " \ 59 "appended one; fi\0" \ 60 "" 61 62 #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ 63 64 /* 65 * For booting Linux, the board info and command line data 66 * have to be in the first 8 MB of memory, since this is 67 * the maximum mapped by the Linux kernel during initialization. 68 */ 69 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 70 #define CONFIG_INITRD_TAG /* enable INITRD tag */ 71 #define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */ 72 73 /* 74 * NAND Flash configuration 75 */ 76 #define CONFIG_SYS_MAX_NAND_DEVICE 1 77 78 /* 79 * Other required minimal configurations 80 */ 81 82 /* 83 * Ethernet Driver configuration 84 */ 85 #define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer autoneg timeout */ 86 #define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */ 87 #define CONFIG_PHY_BASE_ADR 0 88 89 /* 90 * I2C related stuff 91 */ 92 #undef CONFIG_I2C_MVTWSI 93 #define CONFIG_SYS_I2C 94 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ 95 #define CONFIG_SYS_I2C_INIT_BOARD 96 97 #define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */ 98 #define CONFIG_SYS_NUM_I2C_BUSES 6 99 #define CONFIG_SYS_I2C_MAX_HOPS 1 100 #define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \ 101 {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \ 102 {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \ 103 {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \ 104 {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \ 105 {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \ 106 } 107 108 #ifndef __ASSEMBLY__ 109 #include <asm/arch/gpio.h> 110 #include <linux/delay.h> 111 #include <linux/stringify.h> 112 extern void __set_direction(unsigned pin, int high); 113 #define KM_KIRKWOOD_SDA_PIN 8 114 #define KM_KIRKWOOD_SCL_PIN 9 115 #define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300 116 #define KM_KIRKWOOD_ENV_WP 38 117 118 #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0) 119 #define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1) 120 #define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0) 121 #define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit) 122 #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit) 123 #endif 124 125 #define I2C_DELAY udelay(1) 126 #define I2C_SOFT_DECLARATIONS 127 128 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x0 129 #define CONFIG_SYS_I2C_SOFT_SPEED 100000 130 131 /* EEprom support 24C128, 24C256 valid for environment eeprom */ 132 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 133 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */ 134 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 135 136 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 137 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 138 139 /* 140 * Environment variables configurations 141 */ 142 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR 143 #define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */ 144 #else 145 #define CONFIG_SYS_DEF_EEPROM_ADDR 0x50 146 #define CONFIG_ENV_EEPROM_IS_ON_I2C 147 #define CONFIG_SYS_EEPROM_WREN 148 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */ 149 #endif 150 151 #define KM_FLASH_GPIO_PIN 16 152 153 #define CONFIG_KM_UPDATE_UBOOT \ 154 "update=" \ 155 "sf probe 0;sf erase 0 +${filesize};" \ 156 "sf write ${load_addr_r} 0 ${filesize};\0" 157 158 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR 159 #define CONFIG_KM_NEW_ENV \ 160 "newenv=sf probe 0;" \ 161 "sf erase " __stringify(CONFIG_ENV_OFFSET) " " \ 162 __stringify(CONFIG_ENV_TOTAL_SIZE)"\0" 163 #else 164 #define CONFIG_KM_NEW_ENV \ 165 "newenv=setenv addr 0x100000 && " \ 166 "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \ 167 "mw.b ${addr} 0 4 && " \ 168 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ 169 " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \ 170 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ 171 " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0" 172 #endif 173 174 #ifndef CONFIG_KM_BOARD_EXTRA_ENV 175 #define CONFIG_KM_BOARD_EXTRA_ENV "" 176 #endif 177 178 /* 179 * Default environment variables 180 */ 181 #define CONFIG_EXTRA_ENV_SETTINGS \ 182 CONFIG_KM_BOARD_EXTRA_ENV \ 183 CONFIG_KM_DEF_ENV \ 184 CONFIG_KM_NEW_ENV \ 185 "arch=arm\0" \ 186 "" 187 188 /* additions for new relocation code, must be added to all boards */ 189 #define CONFIG_SYS_SDRAM_BASE 0x00000000 190 191 /* address for the bootcount (taken from end of RAM) */ 192 #define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM) 193 194 /* enable POST tests */ 195 #define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS) 196 #define CONFIG_POST_SKIP_ENV_FLAGS 197 #define CONFIG_POST_EXTERNAL_WORD_FUNCS 198 199 #endif /* _CONFIG_KM_ARM_H */ 200