1 /* 2 * am3517_evm.h - Default configuration for AM3517 EVM board. 3 * 4 * Author: Vaibhav Hiremath <hvaibhav@ti.com> 5 * 6 * Based on omap3_evm_config.h 7 * 8 * Copyright (C) 2010 Texas Instruments Incorporated 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef __CONFIG_H 14 #define __CONFIG_H 15 16 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 17 18 #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ 19 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 #define CONFIG_SYS_TEXT_BASE 0x80100000 27 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 28 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 29 30 #include <asm/arch/cpu.h> /* get chip and board defs */ 31 #include <asm/arch/omap.h> 32 33 #define CONFIG_MISC_INIT_R 34 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 35 #define CONFIG_SETUP_MEMORY_TAGS 36 #define CONFIG_INITRD_TAG 37 #define CONFIG_REVISION_TAG 38 39 /* Clock Defines */ 40 #define V_OSCK 26000000 /* Clock output from T2 */ 41 #define V_SCLK (V_OSCK >> 1) 42 43 /* Size of malloc() pool */ 44 #define CONFIG_SYS_MALLOC_LEN (16 << 20) 45 46 /* Hardware drivers */ 47 48 /* NS16550 Configuration */ 49 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 50 #define CONFIG_SYS_NS16550_SERIAL 51 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 52 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 53 54 /* select serial console configuration */ 55 #define CONFIG_CONS_INDEX 3 56 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 57 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ 58 59 /* allow to overwrite serial and ethaddr */ 60 #define CONFIG_ENV_OVERWRITE 61 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 62 115200} 63 64 /* 65 * USB configuration 66 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 67 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 68 */ 69 #define CONFIG_USB_MUSB_AM35X 70 #define CONFIG_USB_MUSB_PIO_ONLY 71 72 #ifdef CONFIG_USB_MUSB_AM35X 73 74 #ifdef CONFIG_USB_MUSB_HOST 75 76 #ifdef CONFIG_USB_KEYBOARD 77 #define CONFIG_SYS_USB_EVENT_POLL 78 #define CONFIG_PREBOOT "usb start" 79 #endif /* CONFIG_USB_KEYBOARD */ 80 81 #endif /* CONFIG_USB_MUSB_HOST */ 82 83 #ifdef CONFIG_USB_MUSB_GADGET 84 #define CONFIG_USB_ETHER 85 #define CONFIG_USB_ETH_RNDIS 86 #endif /* CONFIG_USB_MUSB_GADGET */ 87 88 #endif /* CONFIG_USB_MUSB_AM35X */ 89 90 /* I2C */ 91 #define CONFIG_SYS_I2C 92 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 93 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 94 95 /* Ethernet */ 96 #define CONFIG_DRIVER_TI_EMAC 97 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 98 #define CONFIG_MII 99 #define CONFIG_BOOTP_DEFAULT 100 #define CONFIG_BOOTP_DNS 101 #define CONFIG_BOOTP_DNS2 102 #define CONFIG_BOOTP_SEND_HOSTNAME 103 #define CONFIG_NET_RETRY_COUNT 10 104 105 /* Board NAND Info. */ 106 #ifdef CONFIG_NAND 107 #define CONFIG_NAND_OMAP_GPMC 108 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 109 #define CONFIG_BCH 110 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 111 /* to access nand */ 112 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 113 /* to access */ 114 /* nand at CS0 */ 115 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 116 /* NAND devices */ 117 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 118 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 119 #define CONFIG_SYS_NAND_PAGE_COUNT 64 120 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 121 #define CONFIG_SYS_NAND_OOBSIZE 64 122 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 123 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 124 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 125 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 126 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 127 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 128 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 129 50, 51, 52, 53, 54, 55, 56 } 130 131 #define CONFIG_SYS_NAND_ECCSIZE 512 132 #define CONFIG_SYS_NAND_ECCBYTES 13 133 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 134 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 135 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 136 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 137 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 138 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 139 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 140 /* NAND block size is 128 KiB. Synchronize these values with 141 * corresponding Device Tree entries in Linux: 142 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 143 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 144 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 145 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 146 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 147 * RootFS Remaining Flash Space @ 0xB20000 148 */ 149 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 150 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 151 "512k(MLO)," \ 152 "1920k(u-boot)," \ 153 "256k(u-boot-env)," \ 154 "8m(kernel)," \ 155 "512k(dtb)," \ 156 "-(rootfs)" 157 #else 158 #define MTDIDS_DEFAULT 159 #define MTDPARTS_DEFAULT 160 #endif /* CONFIG_NAND */ 161 162 /* Environment information */ 163 164 #define CONFIG_BOOTFILE "uImage" 165 166 #define CONFIG_EXTRA_ENV_SETTINGS \ 167 "loadaddr=0x82000000\0" \ 168 "console=ttyO2,115200n8\0" \ 169 "fdtfile=am3517-evm.dtb\0" \ 170 "fdtaddr=0x82C00000\0" \ 171 "vram=16M\0" \ 172 "bootenv=uEnv.txt\0" \ 173 "cmdline=\0" \ 174 "optargs=\0" \ 175 "mtdids=" MTDIDS_DEFAULT "\0" \ 176 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 177 "mmcdev=0\0" \ 178 "mmcpart=1\0" \ 179 "mmcroot=/dev/mmcblk0p2 rw\0" \ 180 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 181 "mmcargs=setenv bootargs console=${console} " \ 182 "${mtdparts} " \ 183 "${optargs} " \ 184 "root=${mmcroot} " \ 185 "rootfstype=${mmcrootfstype} " \ 186 "${cmdline}\0" \ 187 "nandargs=setenv bootargs console=${console} " \ 188 "${mtdparts} " \ 189 "${optargs} " \ 190 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 191 "rootfstype=ubifs rootwait " \ 192 "${cmdline}\0" \ 193 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 194 "importbootenv=echo Importing environment from mmc ...; " \ 195 "env import -t ${loadaddr} ${filesize}\0" \ 196 "bootscript=echo Running bootscript from mmc ...; " \ 197 "source ${loadaddr}\0" \ 198 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 199 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 200 "mmcboot=echo Booting from mmc ...; " \ 201 "run mmcargs; " \ 202 "bootz ${loadaddr} - ${fdtaddr}\0" \ 203 "nandboot=echo Booting from nand ...; " \ 204 "run nandargs; " \ 205 "nand read ${loadaddr} 2a0000 800000; " \ 206 "nand read ${fdtaddr} aa0000 80000; " \ 207 "bootm ${loadaddr} - ${fdtaddr}\0" \ 208 209 #define CONFIG_BOOTCOMMAND \ 210 "mmc dev ${mmcdev}; if mmc rescan; then " \ 211 "echo SD/MMC found on device $mmcdev; " \ 212 "if run loadbootenv; then " \ 213 "run importbootenv; " \ 214 "fi; " \ 215 "echo Checking if uenvcmd is set ...; " \ 216 "if test -n $uenvcmd; then " \ 217 "echo Running uenvcmd ...; " \ 218 "run uenvcmd; " \ 219 "fi; " \ 220 "echo Running default loadimage ...; " \ 221 "setenv bootfile zImage; " \ 222 "if run loadimage; then " \ 223 "run loadfdt; " \ 224 "run mmcboot; " \ 225 "fi; " \ 226 "else run nandboot; fi" 227 228 /* Miscellaneous configurable options */ 229 #define CONFIG_AUTO_COMPLETE 230 #define CONFIG_CMDLINE_EDITING 231 #define CONFIG_SYS_LONGHELP 232 233 /* We set the max number of command args high to avoid HUSH bugs. */ 234 #define CONFIG_SYS_MAXARGS 64 235 236 /* Console I/O Buffer Size */ 237 #define CONFIG_SYS_CBSIZE 512 238 /* Print Buffer Size */ 239 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 240 + sizeof(CONFIG_SYS_PROMPT) + 16) 241 /* Boot Argument Buffer Size */ 242 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 243 244 /* memtest works on */ 245 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 246 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 247 0x01F00000) /* 31MB */ 248 249 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 250 /* address */ 251 252 /* 253 * AM3517 has 12 GP timers, they can be driven by the system clock 254 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 255 * This rate is divided by a local divisor. 256 */ 257 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 258 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 259 260 /* Physical Memory Map */ 261 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 262 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 263 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 264 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 265 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 266 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 267 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 268 CONFIG_SYS_INIT_RAM_SIZE - \ 269 GENERATED_GBL_DATA_SIZE) 270 271 /* FLASH and environment organization */ 272 273 /* **** PISMO SUPPORT *** */ 274 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 275 /* on one chip */ 276 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 277 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 278 279 #if defined(CONFIG_NAND) 280 #define CONFIG_SYS_FLASH_BASE NAND_BASE 281 #endif 282 283 /* Monitor at start of flash */ 284 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 285 286 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 287 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 288 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 289 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 290 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 291 292 /* Defines for SPL */ 293 #define CONFIG_SPL_FRAMEWORK 294 #define CONFIG_SPL_NAND_SIMPLE 295 #define CONFIG_SPL_TEXT_BASE 0x40200000 296 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 297 CONFIG_SPL_TEXT_BASE) 298 299 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 300 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 301 302 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 303 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 304 305 #define CONFIG_SPL_NAND_BASE 306 #define CONFIG_SPL_NAND_DRIVERS 307 #define CONFIG_SPL_NAND_ECC 308 309 #endif /* __CONFIG_H */ 310