1 /* 2 * (C) Copyright 2006-2008 3 * Texas Instruments. 4 * Richard Woodruff <r-woodruff2@ti.com> 5 * Syed Mohammed Khasim <x0khasim@ti.com> 6 * 7 * (C) Copyright 2012 8 * Corscience GmbH & Co. KG 9 * Thomas Weber <weber@corscience.de> 10 * 11 * Configuration settings for the Tricorder board. 12 * 13 * SPDX-License-Identifier: GPL-2.0+ 14 */ 15 16 #ifndef __CONFIG_H 17 #define __CONFIG_H 18 19 #define CONFIG_MACH_TYPE MACH_TYPE_TRICORDER 20 /* 21 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 22 * 64 bytes before this address should be set aside for u-boot.img's 23 * header. That is 0x800FFFC0--0x80100000 should not be used for any 24 * other needs. 25 */ 26 27 #include <asm/arch/cpu.h> /* get chip and board defs */ 28 #include <asm/arch/omap.h> 29 30 /* Clock Defines */ 31 #define V_OSCK 26000000 /* Clock output from T2 */ 32 #define V_SCLK (V_OSCK >> 1) 33 34 #define CONFIG_MISC_INIT_R 35 36 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 37 #define CONFIG_SETUP_MEMORY_TAGS 38 #define CONFIG_INITRD_TAG 39 #define CONFIG_REVISION_TAG 40 41 /* Size of malloc() pool */ 42 #define CONFIG_SYS_MALLOC_LEN (1024*1024) 43 44 /* Hardware drivers */ 45 46 /* NS16550 Configuration */ 47 #define CONFIG_SYS_NS16550_SERIAL 48 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 49 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 50 51 /* select serial console configuration */ 52 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 53 #define CONFIG_SERIAL3 3 54 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 55 115200} 56 57 /* I2C */ 58 #define CONFIG_SYS_I2C 59 60 61 /* EEPROM */ 62 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 63 #define CONFIG_SYS_EEPROM_BUS_NUM 1 64 65 /* TWL4030 */ 66 #define CONFIG_TWL4030_LED 67 68 /* Board NAND Info */ 69 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 70 71 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 72 /* to access nand */ 73 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 74 /* to access nand at */ 75 /* CS0 */ 76 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 77 /* devices */ 78 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 79 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 80 81 /* needed for ubi */ 82 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 83 #define CONFIG_MTD_PARTITIONS 84 85 /* Environment information (this is the common part) */ 86 87 88 /* hang() the board on panic() */ 89 90 /* environment placement (for NAND), is different for FLASHCARD but does not 91 * harm there */ 92 #define CONFIG_ENV_OFFSET 0x120000 /* env start */ 93 #define CONFIG_ENV_OFFSET_REDUND 0x2A0000 /* redundant env start */ 94 #define CONFIG_ENV_SIZE (16 << 10) /* use 16KiB for env */ 95 #define CONFIG_ENV_RANGE (384 << 10) /* allow badblocks in env */ 96 97 /* the loadaddr is the same as CONFIG_SYS_LOAD_ADDR, unfortunately the defiend 98 * value can not be used here! */ 99 #define CONFIG_LOADADDR 0x82000000 100 101 #define CONFIG_COMMON_ENV_SETTINGS \ 102 "console=ttyO2,115200n8\0" \ 103 "mmcdev=0\0" \ 104 "vram=3M\0" \ 105 "defaultdisplay=lcd\0" \ 106 "kernelopts=mtdoops.mtddev=3\0" \ 107 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 108 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 109 "commonargs=" \ 110 "setenv bootargs console=${console} " \ 111 "${mtdparts} " \ 112 "${kernelopts} " \ 113 "vt.global_cursor_default=0 " \ 114 "vram=${vram} " \ 115 "omapdss.def_disp=${defaultdisplay}\0" 116 117 #define CONFIG_BOOTCOMMAND "run autoboot" 118 119 /* specific environment settings for different use cases 120 * FLASHCARD: used to run a rdimage from sdcard to program the device 121 * 'NORMAL': used to boot kernel from sdcard, nand, ... 122 * 123 * The main aim for the FLASHCARD skin is to have an embedded environment 124 * which will not be influenced by any data already on the device. 125 */ 126 #ifdef CONFIG_FLASHCARD 127 /* the rdaddr is 16 MiB before the loadaddr */ 128 #define CONFIG_ENV_RDADDR "rdaddr=0x81000000\0" 129 130 #define CONFIG_EXTRA_ENV_SETTINGS \ 131 CONFIG_COMMON_ENV_SETTINGS \ 132 CONFIG_ENV_RDADDR \ 133 "autoboot=" \ 134 "run commonargs; " \ 135 "setenv bootargs ${bootargs} " \ 136 "flashy_updateimg=/dev/mmcblk0p1:corscience_update.img " \ 137 "rdinit=/sbin/init; " \ 138 "mmc dev ${mmcdev}; mmc rescan; " \ 139 "fatload mmc ${mmcdev} ${loadaddr} uImage; " \ 140 "fatload mmc ${mmcdev} ${rdaddr} uRamdisk; " \ 141 "bootm ${loadaddr} ${rdaddr}\0" 142 143 #else /* CONFIG_FLASHCARD */ 144 145 #define CONFIG_ENV_OVERWRITE /* allow to overwrite serial and ethaddr */ 146 147 #define CONFIG_EXTRA_ENV_SETTINGS \ 148 CONFIG_COMMON_ENV_SETTINGS \ 149 "mmcargs=" \ 150 "run commonargs; " \ 151 "setenv bootargs ${bootargs} " \ 152 "root=/dev/mmcblk0p2 " \ 153 "rootwait " \ 154 "rw\0" \ 155 "nandargs=" \ 156 "run commonargs; " \ 157 "setenv bootargs ${bootargs} " \ 158 "root=ubi0:root " \ 159 "ubi.mtd=7 " \ 160 "rootfstype=ubifs " \ 161 "ro\0" \ 162 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 163 "bootscript=echo Running bootscript from mmc ...; " \ 164 "source ${loadaddr}\0" \ 165 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 166 "mmcboot=echo Booting from mmc ...; " \ 167 "run mmcargs; " \ 168 "bootm ${loadaddr}\0" \ 169 "loaduimage_ubi=ubi part ubi; " \ 170 "ubifsmount ubi:root; " \ 171 "ubifsload ${loadaddr} /boot/uImage\0" \ 172 "loaduimage_nand=nand read ${loadaddr} kernel 0x500000\0" \ 173 "nandboot=echo Booting from nand ...; " \ 174 "run nandargs; " \ 175 "run loaduimage_nand; " \ 176 "bootm ${loadaddr}\0" \ 177 "autoboot=mmc dev ${mmcdev}; if mmc rescan; then " \ 178 "if run loadbootscript; then " \ 179 "run bootscript; " \ 180 "else " \ 181 "if run loaduimage; then " \ 182 "run mmcboot; " \ 183 "else run nandboot; " \ 184 "fi; " \ 185 "fi; " \ 186 "else run nandboot; fi\0" 187 188 #endif /* CONFIG_FLASHCARD */ 189 190 /* Miscellaneous configurable options */ 191 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 192 193 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0 + 0x00000000) 194 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + \ 195 0x07000000) /* 112 MB */ 196 197 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) 198 199 /* 200 * OMAP3 has 12 GP timers, they can be driven by the system clock 201 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 202 * This rate is divided by a local divisor. 203 */ 204 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 205 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 206 207 /* Physical Memory Map */ 208 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 209 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 210 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 211 212 /* NAND and environment organization */ 213 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 214 215 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 216 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 217 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 218 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 219 CONFIG_SYS_INIT_RAM_SIZE - \ 220 GENERATED_GBL_DATA_SIZE) 221 222 /* SRAM config */ 223 #define CONFIG_SYS_SRAM_START 0x40200000 224 #define CONFIG_SYS_SRAM_SIZE 0x10000 225 226 /* Defines for SPL */ 227 228 #define CONFIG_SPL_NAND_BASE 229 #define CONFIG_SPL_NAND_DRIVERS 230 #define CONFIG_SPL_NAND_ECC 231 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 232 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 233 234 #define CONFIG_SPL_TEXT_BASE 0x40200000 /*CONFIG_SYS_SRAM_START*/ 235 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 236 CONFIG_SPL_TEXT_BASE) 237 238 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 /*CONFIG_SYS_SDRAM_BASE*/ 239 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 240 241 /* NAND boot config */ 242 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 243 #define CONFIG_SYS_NAND_PAGE_COUNT 64 244 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 245 #define CONFIG_SYS_NAND_OOBSIZE 64 246 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 247 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 248 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 249 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 250 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 251 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 252 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 253 52, 53, 54, 55, 56} 254 255 #define CONFIG_SYS_NAND_ECCSIZE 512 256 #define CONFIG_SYS_NAND_ECCBYTES 13 257 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 258 259 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 260 261 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 262 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x100000 263 264 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 265 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 266 267 #define CONFIG_SYS_ALT_MEMTEST 268 #define CONFIG_SYS_MEMTEST_SCRATCH 0x81000000 269 #endif /* __CONFIG_H */ 270