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