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 #include "asm/arch/config.h" 39 40 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* 4M */ 41 #define CONFIG_SYS_MEMTEST_END 0x007fffff /*(_8M -1) */ 42 #define CONFIG_SYS_LOAD_ADDR 0x00800000 /* default load adr- 8M */ 43 44 /* architecture specific default bootargs */ 45 #define CONFIG_KM_DEF_BOOT_ARGS_CPU \ 46 "bootcountaddr=${bootcountaddr} ${mtdparts}" \ 47 " boardid=0x${IVM_BoardId} hwkey=0x${IVM_HWKey}" 48 49 #define CONFIG_KM_DEF_ENV_CPU \ 50 "u-boot="CONFIG_HOSTNAME "/u-boot.kwb\0" \ 51 CONFIG_KM_UPDATE_UBOOT \ 52 "set_fdthigh=setenv fdt_high ${kernelmem}\0" \ 53 "checkfdt=" \ 54 "if cramfsls fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; " \ 55 "then true; else setenv cramfsloadfdt true; " \ 56 "setenv boot bootm ${load_addr_r}; " \ 57 "echo No FDT found, booting with the kernel " \ 58 "appended one; fi\0" \ 59 "" 60 61 #define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ 62 63 /* 64 * For booting Linux, the board info and command line data 65 * have to be in the first 8 MB of memory, since this is 66 * the maximum mapped by the Linux kernel during initialization. 67 */ 68 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 69 #define CONFIG_INITRD_TAG /* enable INITRD tag */ 70 #define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */ 71 72 /* 73 * NAND Flash configuration 74 */ 75 #define CONFIG_SYS_MAX_NAND_DEVICE 1 76 77 /* 78 * Other required minimal configurations 79 */ 80 81 /* 82 * Ethernet Driver configuration 83 */ 84 #define PHY_ANEG_TIMEOUT 8000 /* PHY needs a longer autoneg timeout */ 85 #define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */ 86 #define CONFIG_PHY_BASE_ADR 0 87 88 /* 89 * I2C related stuff 90 */ 91 #undef CONFIG_I2C_MVTWSI 92 #define CONFIG_SYS_I2C 93 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ 94 #define CONFIG_SYS_I2C_INIT_BOARD 95 96 #define CONFIG_KIRKWOOD_GPIO /* Enable GPIO Support */ 97 #define CONFIG_SYS_NUM_I2C_BUSES 6 98 #define CONFIG_SYS_I2C_MAX_HOPS 1 99 #define CONFIG_SYS_I2C_BUSES { {0, {I2C_NULL_HOP} }, \ 100 {0, {{I2C_MUX_PCA9547, 0x70, 1} } }, \ 101 {0, {{I2C_MUX_PCA9547, 0x70, 2} } }, \ 102 {0, {{I2C_MUX_PCA9547, 0x70, 3} } }, \ 103 {0, {{I2C_MUX_PCA9547, 0x70, 4} } }, \ 104 {0, {{I2C_MUX_PCA9547, 0x70, 5} } }, \ 105 } 106 107 #ifndef __ASSEMBLY__ 108 #include <asm/arch/gpio.h> 109 extern void __set_direction(unsigned pin, int high); 110 void set_sda(int state); 111 void set_scl(int state); 112 int get_sda(void); 113 int get_scl(void); 114 #define KM_KIRKWOOD_SDA_PIN 8 115 #define KM_KIRKWOOD_SCL_PIN 9 116 #define KM_KIRKWOOD_SOFT_I2C_GPIOS 0x0300 117 #define KM_KIRKWOOD_ENV_WP 38 118 119 #define I2C_ACTIVE __set_direction(KM_KIRKWOOD_SDA_PIN, 0) 120 #define I2C_TRISTATE __set_direction(KM_KIRKWOOD_SDA_PIN, 1) 121 #define I2C_READ (kw_gpio_get_value(KM_KIRKWOOD_SDA_PIN) ? 1 : 0) 122 #define I2C_SDA(bit) kw_gpio_set_value(KM_KIRKWOOD_SDA_PIN, bit) 123 #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit) 124 #endif 125 126 #define I2C_DELAY udelay(1) 127 #define I2C_SOFT_DECLARATIONS 128 129 #define CONFIG_SYS_I2C_SOFT_SLAVE 0x0 130 #define CONFIG_SYS_I2C_SOFT_SPEED 100000 131 132 /* EEprom support 24C128, 24C256 valid for environment eeprom */ 133 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 134 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 /* 64 Byte write page */ 135 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 136 137 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 138 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 139 140 /* 141 * Environment variables configurations 142 */ 143 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR 144 #define CONFIG_ENV_TOTAL_SIZE 0x20000 /* no bracets! */ 145 #else 146 #define CONFIG_SYS_DEF_EEPROM_ADDR 0x50 147 #define CONFIG_ENV_EEPROM_IS_ON_I2C 148 #define CONFIG_SYS_EEPROM_WREN 149 #define CONFIG_I2C_ENV_EEPROM_BUS 5 /* I2C2 (Mux-Port 5) */ 150 #endif 151 152 #define KM_FLASH_GPIO_PIN 16 153 154 #define CONFIG_KM_UPDATE_UBOOT \ 155 "update=" \ 156 "sf probe 0;sf erase 0 +${filesize};" \ 157 "sf write ${load_addr_r} 0 ${filesize};\0" 158 159 #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR 160 #define CONFIG_KM_NEW_ENV \ 161 "newenv=sf probe 0;" \ 162 "sf erase " __stringify(CONFIG_ENV_OFFSET) " " \ 163 __stringify(CONFIG_ENV_TOTAL_SIZE)"\0" 164 #else 165 #define CONFIG_KM_NEW_ENV \ 166 "newenv=setenv addr 0x100000 && " \ 167 "i2c dev " __stringify(CONFIG_I2C_ENV_EEPROM_BUS) "; " \ 168 "mw.b ${addr} 0 4 && " \ 169 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ 170 " ${addr} " __stringify(CONFIG_ENV_OFFSET) " 4 && " \ 171 "eeprom write " __stringify(CONFIG_SYS_DEF_EEPROM_ADDR) \ 172 " ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0" 173 #endif 174 175 #ifndef CONFIG_KM_BOARD_EXTRA_ENV 176 #define CONFIG_KM_BOARD_EXTRA_ENV "" 177 #endif 178 179 /* 180 * Default environment variables 181 */ 182 #define CONFIG_EXTRA_ENV_SETTINGS \ 183 CONFIG_KM_BOARD_EXTRA_ENV \ 184 CONFIG_KM_DEF_ENV \ 185 CONFIG_KM_NEW_ENV \ 186 "arch=arm\0" \ 187 "" 188 189 /* additions for new relocation code, must be added to all boards */ 190 #define CONFIG_SYS_SDRAM_BASE 0x00000000 191 192 /* address for the bootcount (taken from end of RAM) */ 193 #define BOOTCOUNT_ADDR (CONFIG_KM_RESERVED_PRAM) 194 195 /* enable POST tests */ 196 #define CONFIG_POST (CONFIG_SYS_POST_MEM_REGIONS) 197 #define CONFIG_POST_SKIP_ENV_FLAGS 198 #define CONFIG_POST_EXTERNAL_WORD_FUNCS 199 200 #endif /* _CONFIG_KM_ARM_H */ 201