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_CONS_INDEX 3 53 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 54 #define CONFIG_SERIAL3 3 55 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 56 115200} 57 58 /* I2C */ 59 #define CONFIG_SYS_I2C 60 61 62 /* EEPROM */ 63 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 64 #define CONFIG_SYS_EEPROM_BUS_NUM 1 65 66 /* TWL4030 */ 67 #define CONFIG_TWL4030_LED 68 69 /* Board NAND Info */ 70 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 71 72 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 73 /* to access nand */ 74 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 75 /* to access nand at */ 76 /* CS0 */ 77 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 78 /* devices */ 79 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 80 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 81 82 /* needed for ubi */ 83 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 84 #define CONFIG_MTD_PARTITIONS 85 86 /* Environment information (this is the common part) */ 87 88 89 /* hang() the board on panic() */ 90 91 /* environment placement (for NAND), is different for FLASHCARD but does not 92 * harm there */ 93 #define CONFIG_ENV_OFFSET 0x120000 /* env start */ 94 #define CONFIG_ENV_OFFSET_REDUND 0x2A0000 /* redundant env start */ 95 #define CONFIG_ENV_SIZE (16 << 10) /* use 16KiB for env */ 96 #define CONFIG_ENV_RANGE (384 << 10) /* allow badblocks in env */ 97 98 /* the loadaddr is the same as CONFIG_SYS_LOAD_ADDR, unfortunately the defiend 99 * value can not be used here! */ 100 #define CONFIG_LOADADDR 0x82000000 101 102 #define CONFIG_COMMON_ENV_SETTINGS \ 103 "console=ttyO2,115200n8\0" \ 104 "mmcdev=0\0" \ 105 "vram=3M\0" \ 106 "defaultdisplay=lcd\0" \ 107 "kernelopts=mtdoops.mtddev=3\0" \ 108 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 109 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 110 "commonargs=" \ 111 "setenv bootargs console=${console} " \ 112 "${mtdparts} " \ 113 "${kernelopts} " \ 114 "vt.global_cursor_default=0 " \ 115 "vram=${vram} " \ 116 "omapdss.def_disp=${defaultdisplay}\0" 117 118 #define CONFIG_BOOTCOMMAND "run autoboot" 119 120 /* specific environment settings for different use cases 121 * FLASHCARD: used to run a rdimage from sdcard to program the device 122 * 'NORMAL': used to boot kernel from sdcard, nand, ... 123 * 124 * The main aim for the FLASHCARD skin is to have an embedded environment 125 * which will not be influenced by any data already on the device. 126 */ 127 #ifdef CONFIG_FLASHCARD 128 /* the rdaddr is 16 MiB before the loadaddr */ 129 #define CONFIG_ENV_RDADDR "rdaddr=0x81000000\0" 130 131 #define CONFIG_EXTRA_ENV_SETTINGS \ 132 CONFIG_COMMON_ENV_SETTINGS \ 133 CONFIG_ENV_RDADDR \ 134 "autoboot=" \ 135 "run commonargs; " \ 136 "setenv bootargs ${bootargs} " \ 137 "flashy_updateimg=/dev/mmcblk0p1:corscience_update.img " \ 138 "rdinit=/sbin/init; " \ 139 "mmc dev ${mmcdev}; mmc rescan; " \ 140 "fatload mmc ${mmcdev} ${loadaddr} uImage; " \ 141 "fatload mmc ${mmcdev} ${rdaddr} uRamdisk; " \ 142 "bootm ${loadaddr} ${rdaddr}\0" 143 144 #else /* CONFIG_FLASHCARD */ 145 146 #define CONFIG_ENV_OVERWRITE /* allow to overwrite serial and ethaddr */ 147 148 #define CONFIG_EXTRA_ENV_SETTINGS \ 149 CONFIG_COMMON_ENV_SETTINGS \ 150 "mmcargs=" \ 151 "run commonargs; " \ 152 "setenv bootargs ${bootargs} " \ 153 "root=/dev/mmcblk0p2 " \ 154 "rootwait " \ 155 "rw\0" \ 156 "nandargs=" \ 157 "run commonargs; " \ 158 "setenv bootargs ${bootargs} " \ 159 "root=ubi0:root " \ 160 "ubi.mtd=7 " \ 161 "rootfstype=ubifs " \ 162 "ro\0" \ 163 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 164 "bootscript=echo Running bootscript from mmc ...; " \ 165 "source ${loadaddr}\0" \ 166 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 167 "mmcboot=echo Booting from mmc ...; " \ 168 "run mmcargs; " \ 169 "bootm ${loadaddr}\0" \ 170 "loaduimage_ubi=ubi part ubi; " \ 171 "ubifsmount ubi:root; " \ 172 "ubifsload ${loadaddr} /boot/uImage\0" \ 173 "loaduimage_nand=nand read ${loadaddr} kernel 0x500000\0" \ 174 "nandboot=echo Booting from nand ...; " \ 175 "run nandargs; " \ 176 "run loaduimage_nand; " \ 177 "bootm ${loadaddr}\0" \ 178 "autoboot=mmc dev ${mmcdev}; if mmc rescan; then " \ 179 "if run loadbootscript; then " \ 180 "run bootscript; " \ 181 "else " \ 182 "if run loaduimage; then " \ 183 "run mmcboot; " \ 184 "else run nandboot; " \ 185 "fi; " \ 186 "fi; " \ 187 "else run nandboot; fi\0" 188 189 #endif /* CONFIG_FLASHCARD */ 190 191 /* Miscellaneous configurable options */ 192 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 193 194 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0 + 0x00000000) 195 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + \ 196 0x07000000) /* 112 MB */ 197 198 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0 + 0x02000000) 199 200 /* 201 * OMAP3 has 12 GP timers, they can be driven by the system clock 202 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 203 * This rate is divided by a local divisor. 204 */ 205 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 206 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 207 208 /* Physical Memory Map */ 209 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 210 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 211 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 212 213 /* NAND and environment organization */ 214 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 215 216 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 217 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 218 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 219 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 220 CONFIG_SYS_INIT_RAM_SIZE - \ 221 GENERATED_GBL_DATA_SIZE) 222 223 /* SRAM config */ 224 #define CONFIG_SYS_SRAM_START 0x40200000 225 #define CONFIG_SYS_SRAM_SIZE 0x10000 226 227 /* Defines for SPL */ 228 229 #define CONFIG_SPL_NAND_BASE 230 #define CONFIG_SPL_NAND_DRIVERS 231 #define CONFIG_SPL_NAND_ECC 232 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 233 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 234 235 #define CONFIG_SPL_TEXT_BASE 0x40200000 /*CONFIG_SYS_SRAM_START*/ 236 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 237 CONFIG_SPL_TEXT_BASE) 238 239 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 /*CONFIG_SYS_SDRAM_BASE*/ 240 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 241 242 /* NAND boot config */ 243 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 244 #define CONFIG_SYS_NAND_PAGE_COUNT 64 245 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 246 #define CONFIG_SYS_NAND_OOBSIZE 64 247 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 248 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 249 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 250 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 251 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 252 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 253 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 254 52, 53, 54, 55, 56} 255 256 #define CONFIG_SYS_NAND_ECCSIZE 512 257 #define CONFIG_SYS_NAND_ECCBYTES 13 258 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 259 260 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 261 262 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 263 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x100000 264 265 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 266 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ 267 268 #define CONFIG_SYS_ALT_MEMTEST 269 #define CONFIG_SYS_MEMTEST_SCRATCH 0x81000000 270 #endif /* __CONFIG_H */ 271