uboot/include/configs/tam3517-common.h
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   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 */
 202struct 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) \
 224do {                                                            \
 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)                      \
 234do {                                                            \
 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)                            \
 266do {                                                            \
 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