1 /* 2 * am3517_crane.h - Default configuration for AM3517 CraneBoard. 3 * 4 * Author: Srinath.R <srinath@mistralsolutions.com> 5 * 6 * Based on include/configs/am3517evm.h 7 * 8 * Copyright (C) 2011 Mistral Solutions pvt Ltd 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef __CONFIG_H 14 #define __CONFIG_H 15 16 /* 17 * High Level Configuration Options 18 */ 19 20 #include <asm/arch/cpu.h> /* get chip and board defs */ 21 #include <asm/arch/omap.h> 22 23 /* Clock Defines */ 24 #define V_OSCK 26000000 /* Clock output from T2 */ 25 #define V_SCLK (V_OSCK >> 1) 26 27 #define CONFIG_MISC_INIT_R 28 29 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 30 #define CONFIG_SETUP_MEMORY_TAGS 1 31 #define CONFIG_INITRD_TAG 1 32 #define CONFIG_REVISION_TAG 1 33 34 /* 35 * Size of malloc() pool 36 */ 37 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 38 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) 39 /* initial data */ 40 /* 41 * DDR related 42 */ 43 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 44 45 /* 46 * Hardware drivers 47 */ 48 49 /* 50 * NS16550 Configuration 51 */ 52 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 53 54 #define CONFIG_SYS_NS16550_SERIAL 55 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 56 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 57 58 /* 59 * select serial console configuration 60 */ 61 #define CONFIG_CONS_INDEX 3 62 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 63 #define CONFIG_SERIAL3 3 /* UART3 on CRANEBOARD */ 64 65 /* allow to overwrite serial and ethaddr */ 66 #define CONFIG_ENV_OVERWRITE 67 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 68 115200} 69 70 /* 71 * USB configuration 72 * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard 73 * Enable CONFIG_USB_MUSB_UDC for Device functionalities. 74 */ 75 76 #ifdef CONFIG_USB_AM35X 77 78 #ifdef CONFIG_USB_MUSB_HCD 79 80 #ifdef CONFIG_USB_KEYBOARD 81 #define CONFIG_PREBOOT "usb start" 82 #endif /* CONFIG_USB_KEYBOARD */ 83 84 #endif /* CONFIG_USB_MUSB_HCD */ 85 86 #ifdef CONFIG_USB_MUSB_UDC 87 /* USB device configuration */ 88 #define CONFIG_USB_DEVICE 1 89 #define CONFIG_USB_TTY 1 90 /* Change these to suit your needs */ 91 #define CONFIG_USBD_VENDORID 0x0451 92 #define CONFIG_USBD_PRODUCTID 0x5678 93 #define CONFIG_USBD_MANUFACTURER "Texas Instruments" 94 #define CONFIG_USBD_PRODUCT_NAME "AM3517CRANE" 95 #endif /* CONFIG_USB_MUSB_UDC */ 96 97 #endif /* CONFIG_USB_AM35X */ 98 99 #define CONFIG_SYS_I2C 100 101 /* 102 * Board NAND Info. 103 */ 104 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 105 /* to access nand */ 106 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 107 /* to access */ 108 /* nand at CS0 */ 109 110 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 111 /* NAND devices */ 112 113 #define CONFIG_JFFS2_NAND 114 /* nand device jffs2 lives on */ 115 #define CONFIG_JFFS2_DEV "nand0" 116 /* start of jffs2 partition */ 117 #define CONFIG_JFFS2_PART_OFFSET 0x680000 118 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* sz of jffs2 part */ 119 120 /* Environment information */ 121 122 #define CONFIG_BOOTFILE "uImage" 123 124 #define CONFIG_EXTRA_ENV_SETTINGS \ 125 "loadaddr=0x82000000\0" \ 126 "console=ttyS2,115200n8\0" \ 127 "mmcdev=0\0" \ 128 "mmcargs=setenv bootargs console=${console} " \ 129 "root=/dev/mmcblk0p2 rw " \ 130 "rootfstype=ext3 rootwait\0" \ 131 "nandargs=setenv bootargs console=${console} " \ 132 "root=/dev/mtdblock4 rw " \ 133 "rootfstype=jffs2\0" \ 134 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 135 "bootscript=echo Running bootscript from mmc ...; " \ 136 "source ${loadaddr}\0" \ 137 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 138 "mmcboot=echo Booting from mmc ...; " \ 139 "run mmcargs; " \ 140 "bootm ${loadaddr}\0" \ 141 "nandboot=echo Booting from nand ...; " \ 142 "run nandargs; " \ 143 "nand read ${loadaddr} 280000 400000; " \ 144 "bootm ${loadaddr}\0" \ 145 146 #define CONFIG_BOOTCOMMAND \ 147 "mmc dev ${mmcdev}; if mmc rescan; then " \ 148 "if run loadbootscript; then " \ 149 "run bootscript; " \ 150 "else " \ 151 "if run loaduimage; then " \ 152 "run mmcboot; " \ 153 "else run nandboot; " \ 154 "fi; " \ 155 "fi; " \ 156 "else run nandboot; fi" 157 158 /* 159 * Miscellaneous configurable options 160 */ 161 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 162 #define CONFIG_SYS_MAXARGS 32 /* max number of command */ 163 /* args */ 164 /* memtest works on */ 165 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 166 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 167 0x01F00000) /* 31MB */ 168 169 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 170 /* address */ 171 172 /* 173 * AM3517 has 12 GP timers, they can be driven by the system clock 174 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 175 * This rate is divided by a local divisor. 176 */ 177 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 178 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 179 180 /*----------------------------------------------------------------------- 181 * Physical Memory Map 182 */ 183 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 184 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 185 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 186 187 /*----------------------------------------------------------------------- 188 * FLASH and environment organization 189 */ 190 191 /* **** PISMO SUPPORT *** */ 192 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 193 /* on one chip */ 194 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 195 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 196 197 #define CONFIG_SYS_FLASH_BASE NAND_BASE 198 199 /* Monitor at start of flash */ 200 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 201 202 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB sector */ 203 #define CONFIG_ENV_OFFSET 0x260000 204 #define CONFIG_ENV_ADDR 0x260000 205 206 /*----------------------------------------------------------------------- 207 * CFI FLASH driver setup 208 */ 209 /* timeout values are in ticks */ 210 #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) 211 #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) 212 213 /* Flash banks JFFS2 should use */ 214 #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ 215 CONFIG_SYS_MAX_NAND_DEVICE) 216 #define CONFIG_SYS_JFFS2_MEM_NAND 217 /* use flash_info[2] */ 218 #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS 219 #define CONFIG_SYS_JFFS2_NUM_BANKS 1 220 221 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 222 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 223 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 224 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 225 CONFIG_SYS_INIT_RAM_SIZE - \ 226 GENERATED_GBL_DATA_SIZE) 227 228 /* Defines for SPL */ 229 #define CONFIG_SPL_TEXT_BASE 0x40200800 230 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 231 CONFIG_SPL_TEXT_BASE) 232 233 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 234 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 235 236 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 237 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 238 239 #define CONFIG_SPL_NAND_BASE 240 #define CONFIG_SPL_NAND_DRIVERS 241 #define CONFIG_SPL_NAND_ECC 242 243 /* NAND boot config */ 244 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 245 #define CONFIG_SYS_NAND_PAGE_COUNT 64 246 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 247 #define CONFIG_SYS_NAND_OOBSIZE 64 248 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 249 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 250 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9,\ 251 10, 11, 12, 13} 252 #define CONFIG_SYS_NAND_ECCSIZE 512 253 #define CONFIG_SYS_NAND_ECCBYTES 3 254 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW 255 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 256 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 257 258 /* 259 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 260 * 64 bytes before this address should be set aside for u-boot.img's 261 * header. That is 0x800FFFC0--0x80100000 should not be used for any 262 * other needs. 263 */ 264 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 265 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 266 267 #endif /* __CONFIG_H */ 268