1 /* 2 * Copyright (C) 2011 3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4 * 5 * Copyright (C) 2009 TechNexion Ltd. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __TAM3517_H 11 #define __TAM3517_H 12 13 /* 14 * High Level Configuration Options 15 */ 16 17 #include <asm/arch/cpu.h> /* get chip and board defs */ 18 #include <asm/arch/omap.h> 19 20 /* Clock Defines */ 21 #define V_OSCK 26000000 /* Clock output from T2 */ 22 #define V_SCLK (V_OSCK >> 1) 23 24 #define CONFIG_MISC_INIT_R 25 26 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 27 #define CONFIG_SETUP_MEMORY_TAGS 28 #define CONFIG_INITRD_TAG 29 #define CONFIG_REVISION_TAG 30 31 /* 32 * Size of malloc() pool 33 */ 34 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 35 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10) + \ 36 2 * 1024 * 1024) 37 /* 38 * DDR related 39 */ 40 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 41 42 /* 43 * Hardware drivers 44 */ 45 46 /* 47 * NS16550 Configuration 48 */ 49 #define CONFIG_SYS_NS16550_SERIAL 50 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 51 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 52 53 /* 54 * select serial console configuration 55 */ 56 #define CONFIG_CONS_INDEX 1 57 #define CONFIG_SYS_NS16550_COM1 OMAP34XX_UART1 58 #define CONFIG_SERIAL1 /* UART1 */ 59 60 /* allow to overwrite serial and ethaddr */ 61 #define CONFIG_ENV_OVERWRITE 62 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 63 115200} 64 /* EHCI */ 65 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 25 66 67 #define CONFIG_SYS_I2C 68 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* base address */ 69 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */ 70 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07 71 72 /* 73 * Board NAND Info. 74 */ 75 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 76 /* to access */ 77 /* nand at CS0 */ 78 79 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 80 /* NAND devices */ 81 82 /* 83 * Miscellaneous configurable options 84 */ 85 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 86 87 #define CONFIG_SYS_MAXARGS 32 /* max number of command */ 88 /* args */ 89 /* memtest works on */ 90 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 91 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 92 0x01F00000) /* 31MB */ 93 94 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 95 /* address */ 96 97 /* 98 * AM3517 has 12 GP timers, they can be driven by the system clock 99 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 100 * This rate is divided by a local divisor. 101 */ 102 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 103 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 104 105 /* 106 * Physical Memory Map 107 */ 108 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 109 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 110 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 111 112 /* 113 * FLASH and environment organization 114 */ 115 116 /* **** PISMO SUPPORT *** */ 117 118 /* Redundant Environment */ 119 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 120 #define CONFIG_ENV_OFFSET 0x180000 121 #define CONFIG_ENV_ADDR 0x180000 122 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \ 123 2 * CONFIG_SYS_ENV_SECT_SIZE) 124 #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE 125 126 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 127 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 128 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 129 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 130 CONFIG_SYS_INIT_RAM_SIZE - \ 131 GENERATED_GBL_DATA_SIZE) 132 133 /* 134 * ethernet support, EMAC 135 * 136 */ 137 #define CONFIG_DRIVER_TI_EMAC 138 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 139 #define CONFIG_MII 140 #define CONFIG_BOOTP_DNS2 141 #define CONFIG_BOOTP_SEND_HOSTNAME 142 #define CONFIG_NET_RETRY_COUNT 10 143 144 /* Defines for SPL */ 145 #define CONFIG_SPL_CONSOLE 146 #define CONFIG_SPL_NAND_SOFTECC 147 #define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */ 148 149 #define CONFIG_SPL_NAND_BASE 150 #define CONFIG_SPL_NAND_DRIVERS 151 #define CONFIG_SPL_NAND_ECC 152 153 #define CONFIG_SPL_TEXT_BASE 0x40200000 /*CONFIG_SYS_SRAM_START*/ 154 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 155 CONFIG_SPL_TEXT_BASE) 156 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK 157 158 #define CONFIG_SYS_SPL_MALLOC_START 0x8f000000 159 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 160 #define CONFIG_SPL_BSS_START_ADDR 0x8f080000 /* end of RAM */ 161 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 162 163 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 164 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 165 166 /* FAT */ 167 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage" 168 #define CONFIG_SPL_FS_LOAD_ARGS_NAME "args" 169 170 /* RAW SD card / eMMC */ 171 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 172 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 173 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 174 175 /* NAND boot config */ 176 #define CONFIG_SYS_NAND_PAGE_COUNT 64 177 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 178 #define CONFIG_SYS_NAND_OOBSIZE 64 179 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 180 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 181 #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0 182 #define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47,\ 183 48, 49, 50, 51, 52, 53, 54, 55,\ 184 56, 57, 58, 59, 60, 61, 62, 63} 185 #define CONFIG_SYS_NAND_ECCSIZE 256 186 #define CONFIG_SYS_NAND_ECCBYTES 3 187 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_SW 188 189 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 190 191 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 192 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000 193 194 #define CONFIG_MTD_PARTITIONS 195 #define CONFIG_MTD_DEVICE 196 197 /* Setup MTD for NAND on the SOM */ 198 199 #define CONFIG_TAM3517_SETTINGS \ 200 "netdev=eth0\0" \ 201 "nandargs=setenv bootargs root=${nandroot} " \ 202 "rootfstype=${nandrootfstype}\0" \ 203 "nfsargs=setenv bootargs root=/dev/nfs rw " \ 204 "nfsroot=${serverip}:${rootpath}\0" \ 205 "ramargs=setenv bootargs root=/dev/ram rw\0" \ 206 "addip_sta=setenv bootargs ${bootargs} " \ 207 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ 208 ":${hostname}:${netdev}:off panic=1\0" \ 209 "addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \ 210 "addip=if test -n ${ipdyn};then run addip_dyn;" \ 211 "else run addip_sta;fi\0" \ 212 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ 213 "addtty=setenv bootargs ${bootargs}" \ 214 " console=ttyO0,${baudrate}\0" \ 215 "addmisc=setenv bootargs ${bootargs} ${misc}\0" \ 216 "loadaddr=82000000\0" \ 217 "kernel_addr_r=82000000\0" \ 218 "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \ 219 "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \ 220 "flash_self=run ramargs addip addtty addmtd addmisc;" \ 221 "bootm ${kernel_addr} ${ramdisk_addr}\0" \ 222 "flash_nfs=run nfsargs addip addtty addmtd addmisc;" \ 223 "bootm ${kernel_addr}\0" \ 224 "nandboot=run nandargs addip addtty addmtd addmisc;" \ 225 "nand read ${kernel_addr_r} kernel\0" \ 226 "bootm ${kernel_addr_r}\0" \ 227 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \ 228 "run nfsargs addip addtty addmtd addmisc;" \ 229 "bootm ${kernel_addr_r}\0" \ 230 "net_self=if run net_self_load;then " \ 231 "run ramargs addip addtty addmtd addmisc;" \ 232 "bootm ${kernel_addr_r} ${ramdisk_addr_r};" \ 233 "else echo Images not loades;fi\0" \ 234 "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0" \ 235 "load=tftp ${loadaddr} ${u-boot}\0" \ 236 "loadmlo=tftp ${loadaddr} ${mlo}\0" \ 237 "mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0" \ 238 "uboot_addr=0x80000\0" \ 239 "update=nandecc sw;nand erase ${uboot_addr} 100000;" \ 240 "nand write ${loadaddr} ${uboot_addr} 80000\0" \ 241 "updatemlo=nandecc hw;nand erase 0 20000;" \ 242 "nand write ${loadaddr} 0 20000\0" \ 243 "upd=if run load;then echo Updating u-boot;if run update;" \ 244 "then echo U-Boot updated;" \ 245 "else echo Error updating u-boot !;" \ 246 "echo Board without bootloader !!;" \ 247 "fi;" \ 248 "else echo U-Boot not downloaded..exiting;fi\0" \ 249 250 /* 251 * this is common code for all TAM3517 boards. 252 * MAC address is stored from manufacturer in 253 * I2C EEPROM 254 */ 255 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) 256 /* 257 * The I2C EEPROM on the TAM3517 contains 258 * mac address and production data 259 */ 260 struct tam3517_module_info { 261 char customer[48]; 262 char product[48]; 263 264 /* 265 * bit 0~47 : sequence number 266 * bit 48~55 : week of year, from 0. 267 * bit 56~63 : year 268 */ 269 unsigned long long sequence_number; 270 271 /* 272 * bit 0~7 : revision fixed 273 * bit 8~15 : revision major 274 * bit 16~31 : TNxxx 275 */ 276 unsigned int revision; 277 unsigned char eth_addr[4][8]; 278 unsigned char _rev[100]; 279 }; 280 281 #define TAM3517_READ_EEPROM(info, ret) \ 282 do { \ 283 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \ 284 if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, \ 285 (void *)info, sizeof(*info))) \ 286 ret = 1; \ 287 else \ 288 ret = 0; \ 289 } while (0) 290 291 #define TAM3517_READ_MAC_FROM_EEPROM(info) \ 292 do { \ 293 char buf[80], ethname[20]; \ 294 int i; \ 295 memset(buf, 0, sizeof(buf)); \ 296 for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) { \ 297 sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", \ 298 (info)->eth_addr[i][5], \ 299 (info)->eth_addr[i][4], \ 300 (info)->eth_addr[i][3], \ 301 (info)->eth_addr[i][2], \ 302 (info)->eth_addr[i][1], \ 303 (info)->eth_addr[i][0]); \ 304 \ 305 if (i) \ 306 sprintf(ethname, "eth%daddr", i); \ 307 else \ 308 strcpy(ethname, "ethaddr"); \ 309 printf("Setting %s from EEPROM with %s\n", ethname, buf);\ 310 env_set(ethname, buf); \ 311 } \ 312 } while (0) 313 314 /* The following macros are taken from Technexion's documentation */ 315 #define TAM3517_sequence_number(info) \ 316 ((info)->sequence_number % 0x1000000000000LL) 317 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100) 318 #define TAM3517_year(info) ((info)->sequence_number >> 56) 319 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100) 320 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100) 321 #define TAM3517_revision_tn(info) ((info)->revision >> 16) 322 323 #define TAM3517_PRINT_SOM_INFO(info) \ 324 do { \ 325 printf("Vendor:%s\n", (info)->customer); \ 326 printf("SOM: %s\n", (info)->product); \ 327 printf("SeqNr: %02llu%02llu%012llu\n", \ 328 TAM3517_year(info), \ 329 TAM3517_week_of_year(info), \ 330 TAM3517_sequence_number(info)); \ 331 printf("Rev: TN%u %u.%u\n", \ 332 TAM3517_revision_tn(info), \ 333 TAM3517_revision_major(info), \ 334 TAM3517_revision_fixed(info)); \ 335 } while (0) 336 337 #endif 338 339 #endif /* __TAM3517_H */ 340