1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2011 4 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 5 * 6 * Copyright (C) 2009 TechNexion Ltd. 7 */ 8 9 #ifndef __TAM3517_H 10 #define __TAM3517_H 11 12 /* 13 * High Level Configuration Options 14 */ 15 16 #include <asm/arch/cpu.h> /* get chip and board defs */ 17 #include <asm/arch/omap.h> 18 19 /* Clock Defines */ 20 #define V_OSCK 26000000 /* Clock output from T2 */ 21 #define V_SCLK (V_OSCK >> 1) 22 23 /* 24 * DDR related 25 */ 26 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 27 28 /* 29 * Hardware drivers 30 */ 31 32 /* 33 * NS16550 Configuration 34 */ 35 #define CONFIG_SYS_NS16550_SERIAL 36 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 37 #define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 38 39 /* 40 * select serial console configuration 41 */ 42 #define CONFIG_SYS_NS16550_COM1 OMAP34XX_UART1 43 44 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 45 115200} 46 47 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07 48 49 /* 50 * Board NAND Info. 51 */ 52 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 53 /* to access */ 54 /* nand at CS0 */ 55 56 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 57 /* NAND devices */ 58 59 /* 60 * Miscellaneous configurable options 61 */ 62 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ 63 64 #define CONFIG_SYS_MAXARGS 32 /* max number of command */ 65 /* args */ 66 67 /* 68 * AM3517 has 12 GP timers, they can be driven by the system clock 69 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 70 * This rate is divided by a local divisor. 71 */ 72 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 73 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 74 75 /* 76 * Physical Memory Map 77 */ 78 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 79 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 80 81 /* 82 * FLASH and environment organization 83 */ 84 85 /* **** PISMO SUPPORT *** */ 86 87 /* Redundant Environment */ 88 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 89 90 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 91 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 92 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 93 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 94 CONFIG_SYS_INIT_RAM_SIZE - \ 95 GENERATED_GBL_DATA_SIZE) 96 97 /* 98 * ethernet support, EMAC 99 * 100 */ 101 #define CONFIG_NET_RETRY_COUNT 10 102 103 /* Defines for SPL */ 104 #define CONFIG_SPL_CONSOLE 105 #define CONFIG_SPL_NAND_SOFTECC 106 #define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */ 107 108 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 109 CONFIG_SPL_TEXT_BASE) 110 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK 111 112 #define CONFIG_SYS_SPL_MALLOC_START 0x8f000000 113 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 114 #define CONFIG_SPL_BSS_START_ADDR 0x8f080000 /* end of RAM */ 115 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 116 117 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 118 119 /* FAT */ 120 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage" 121 #define CONFIG_SPL_FS_LOAD_ARGS_NAME "args" 122 123 /* RAW SD card / eMMC */ 124 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */ 125 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */ 126 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */ 127 128 /* NAND boot config */ 129 #define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47,\ 130 48, 49, 50, 51, 52, 53, 54, 55,\ 131 56, 57, 58, 59, 60, 61, 62, 63} 132 #define CONFIG_SYS_NAND_ECCSIZE 256 133 #define CONFIG_SYS_NAND_ECCBYTES 3 134 135 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 136 137 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000 138 139 /* Setup MTD for NAND on the SOM */ 140 141 #define CONFIG_TAM3517_SETTINGS \ 142 "netdev=eth0\0" \ 143 "nandargs=setenv bootargs root=${nandroot} " \ 144 "rootfstype=${nandrootfstype}\0" \ 145 "nfsargs=setenv bootargs root=/dev/nfs rw " \ 146 "nfsroot=${serverip}:${rootpath}\0" \ 147 "ramargs=setenv bootargs root=/dev/ram rw\0" \ 148 "addip_sta=setenv bootargs ${bootargs} " \ 149 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ 150 ":${hostname}:${netdev}:off panic=1\0" \ 151 "addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \ 152 "addip=if test -n ${ipdyn};then run addip_dyn;" \ 153 "else run addip_sta;fi\0" \ 154 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \ 155 "addtty=setenv bootargs ${bootargs}" \ 156 " console=ttyO0,${baudrate}\0" \ 157 "addmisc=setenv bootargs ${bootargs} ${misc}\0" \ 158 "loadaddr=82000000\0" \ 159 "kernel_addr_r=82000000\0" \ 160 "hostname=" CONFIG_HOSTNAME "\0" \ 161 "bootfile=" CONFIG_HOSTNAME "/uImage\0" \ 162 "flash_self=run ramargs addip addtty addmtd addmisc;" \ 163 "bootm ${kernel_addr} ${ramdisk_addr}\0" \ 164 "flash_nfs=run nfsargs addip addtty addmtd addmisc;" \ 165 "bootm ${kernel_addr}\0" \ 166 "nandboot=run nandargs addip addtty addmtd addmisc;" \ 167 "nand read ${kernel_addr_r} kernel\0" \ 168 "bootm ${kernel_addr_r}\0" \ 169 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \ 170 "run nfsargs addip addtty addmtd addmisc;" \ 171 "bootm ${kernel_addr_r}\0" \ 172 "net_self=if run net_self_load;then " \ 173 "run ramargs addip addtty addmtd addmisc;" \ 174 "bootm ${kernel_addr_r} ${ramdisk_addr_r};" \ 175 "else echo Images not loades;fi\0" \ 176 "u-boot=" CONFIG_HOSTNAME "/u-boot.img\0" \ 177 "load=tftp ${loadaddr} ${u-boot}\0" \ 178 "loadmlo=tftp ${loadaddr} ${mlo}\0" \ 179 "mlo=" CONFIG_HOSTNAME "/MLO\0" \ 180 "uboot_addr=0x80000\0" \ 181 "update=nandecc sw;nand erase ${uboot_addr} 100000;" \ 182 "nand write ${loadaddr} ${uboot_addr} 80000\0" \ 183 "updatemlo=nandecc hw;nand erase 0 20000;" \ 184 "nand write ${loadaddr} 0 20000\0" \ 185 "upd=if run load;then echo Updating u-boot;if run update;" \ 186 "then echo U-Boot updated;" \ 187 "else echo Error updating u-boot !;" \ 188 "echo Board without bootloader !!;" \ 189 "fi;" \ 190 "else echo U-Boot not downloaded..exiting;fi\0" \ 191 192 /* 193 * this is common code for all TAM3517 boards. 194 * MAC address is stored from manufacturer in 195 * I2C EEPROM 196 */ 197 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) 198 /* 199 * The I2C EEPROM on the TAM3517 contains 200 * mac address and production data 201 */ 202 struct tam3517_module_info { 203 char customer[48]; 204 char product[48]; 205 206 /* 207 * bit 0~47 : sequence number 208 * bit 48~55 : week of year, from 0. 209 * bit 56~63 : year 210 */ 211 unsigned long long sequence_number; 212 213 /* 214 * bit 0~7 : revision fixed 215 * bit 8~15 : revision major 216 * bit 16~31 : TNxxx 217 */ 218 unsigned int revision; 219 unsigned char eth_addr[4][8]; 220 unsigned char _rev[100]; 221 }; 222 223 #define TAM3517_READ_EEPROM(info, ret) \ 224 do { \ 225 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); \ 226 if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, \ 227 (void *)info, sizeof(*info))) \ 228 ret = 1; \ 229 else \ 230 ret = 0; \ 231 } while (0) 232 233 #define TAM3517_READ_MAC_FROM_EEPROM(info) \ 234 do { \ 235 char buf[80], ethname[20]; \ 236 int i; \ 237 memset(buf, 0, sizeof(buf)); \ 238 for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) { \ 239 sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", \ 240 (info)->eth_addr[i][5], \ 241 (info)->eth_addr[i][4], \ 242 (info)->eth_addr[i][3], \ 243 (info)->eth_addr[i][2], \ 244 (info)->eth_addr[i][1], \ 245 (info)->eth_addr[i][0]); \ 246 \ 247 if (i) \ 248 sprintf(ethname, "eth%daddr", i); \ 249 else \ 250 strcpy(ethname, "ethaddr"); \ 251 printf("Setting %s from EEPROM with %s\n", ethname, buf);\ 252 env_set(ethname, buf); \ 253 } \ 254 } while (0) 255 256 /* The following macros are taken from Technexion's documentation */ 257 #define TAM3517_sequence_number(info) \ 258 ((info)->sequence_number % 0x1000000000000LL) 259 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100) 260 #define TAM3517_year(info) ((info)->sequence_number >> 56) 261 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100) 262 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100) 263 #define TAM3517_revision_tn(info) ((info)->revision >> 16) 264 265 #define TAM3517_PRINT_SOM_INFO(info) \ 266 do { \ 267 printf("Vendor:%s\n", (info)->customer); \ 268 printf("SOM: %s\n", (info)->product); \ 269 printf("SeqNr: %02llu%02llu%012llu\n", \ 270 TAM3517_year(info), \ 271 TAM3517_week_of_year(info), \ 272 TAM3517_sequence_number(info)); \ 273 printf("Rev: TN%u %u.%u\n", \ 274 TAM3517_revision_tn(info), \ 275 TAM3517_revision_major(info), \ 276 TAM3517_revision_fixed(info)); \ 277 } while (0) 278 279 #endif 280 281 #endif /* __TAM3517_H */ 282