common/idh_layout.c

   1 #include <common.h>
   2 #include <config.h>
   3 #include <linux/types.h>
   4 #include <asm/arch/bits.h>
   5 #include <linux/string.h>
   6 #include <linux/mtd/mtd.h>
   7 #include <linux/mtd/nand.h>
   8 #include <nand.h>
   9 #include <malloc.h>
  10
  11 #define MTDPARTS_MAXLEN         (512)
  12 #define PARTITION_NAME_LEN      (20)
  13 #define UNDEFINE_PARTITION_LEN  (0xffffffff)
  14
  15 typedef struct _MTD_PARTITION_STRUCT
  16 {
  17         unsigned char   name[PARTITION_NAME_LEN];
  18         unsigned long   size; /* KiB */
  19
  20 } MTD_PARTITION_T;
  21
  22 #ifndef MTDPARTS_DEFAULT
  23 static unsigned long nandsize = 0;
  24 #endif
  25 unsigned char mtdpartbuffer[MTDPARTS_MAXLEN] = "mtdparts=sprd-nand:256k(spl),512k(2ndbl),256k(params),512k(vmjaluna),10m(modem),3840k(fixnv),3840k(backupfixnv),5120k(dsp),3840k(runtimenv),10m(boot),10m(recovery),250m(system),180m(userdata),20m(cache),256k(misc),1m(boot_logo),1m(fastboot_logo),3840k(productinfo),512k(kpanic)";
  26
  27 static MTD_PARTITION_T mtd_partition_cfg[] = {
  28         {"spl",                 256},
  29         {"2ndbl",               512},
  30         {"params",              256},
  31         {"vmjaluna",            512},
  32         {"modem",               10 * 1024},
  33         {"fixnv",               3840},
  34         {"backupfixnv",         3840},
  35         {"dsp",                 5120},
  36         {"runtimenv",           3840},
  37         {"boot",                10 * 1024},
  38         {"recovery",            10 * 1024},
  39         {"system",              250 * 1024},
  40         {"userdata",            UNDEFINE_PARTITION_LEN},
  41         {"cache",               UNDEFINE_PARTITION_LEN},
  42         {"misc",                256},
  43         {"boot_logo",           1 * 1024},
  44         {"fastboot_logo",       1 * 1024},
  45         {"productinfo",         3840},
  46         {"kpanic",              512},
  47         {"",                    0}
  48 };
  49
  50 void create_mtdpart_buffer(unsigned long nandsize, unsigned long realsize)
  51 {
  52         unsigned long i;
  53         unsigned long str_len;
  54
  55         i = 0;
  56         while (strcmp((char *)mtd_partition_cfg[i].name, "cache") != 0)
  57                 i++;
  58
  59         if (nandsize <= (512 * 1024))
  60                 mtd_partition_cfg[i].size = 20 * 1024;
  61         else if (nandsize <= (1024 * 1024))
  62                 mtd_partition_cfg[i].size = 130 * 1024;
  63         realsize += mtd_partition_cfg[i].size;
  64
  65         i = 0;
  66         while (strcmp((char *)mtd_partition_cfg[i].name, "userdata") != 0)
  67                 i++;
  68
  69         if (nandsize <= (512 * 1024))
  70                 mtd_partition_cfg[i].size = 180 * 1024; /* 180 MiB */
  71         else if (nandsize <= (1024 * 1024))
  72                 mtd_partition_cfg[i].size = (nandsize - realsize) / 1024 * 1024; /* allign to MiB */
  73
  74         i = 0;
  75         /*while (mtd_partition_cfg[i].size) {
  76                 printf("i = %d  name = %s  size = %d\n", i, mtd_partition_cfg[i].name, mtd_partition_cfg[i].size);
  77                 i++;
  78         }*/
  79
  80         memset(mtdpartbuffer, 0, MTDPARTS_MAXLEN);
  81         sprintf((char *)mtdpartbuffer, "mtdparts=sprd-nand:");
  82         str_len = strlen((char *)mtdpartbuffer);
  83         i = 0;
  84         while (mtd_partition_cfg[i].size) {
  85                 sprintf((char *)&mtdpartbuffer[str_len], "%luk(%s),", mtd_partition_cfg[i].size, (char *)mtd_partition_cfg[i].name);
  86                 str_len = strlen((char *)mtdpartbuffer);
  87                 i++;
  88         }
  89         str_len = strlen((char *)mtdpartbuffer);
  90         mtdpartbuffer[str_len - 1] = '\0'; /* delete the last , */
  91 }
  92
  93 char *get_mtdparts(void)
  94 {
  95 #if defined(MTDPARTS_DEFAULT)
  96         return MTDPARTS_DEFAULT;
  97 #else
  98         unsigned long i, realsize;
  99
 100         if (nandsize == 0) {
 101                 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 102                         nandsize += nand_info[i].size; /* Bytes */
 103
 104                 nandsize = nandsize / 1024; /* KiB */
 105
 106                 i = 0;
 107                 realsize = 0;
 108                 while (mtd_partition_cfg[i].size) {
 109                         if (mtd_partition_cfg[i].size != UNDEFINE_PARTITION_LEN)
 110                                 realsize += mtd_partition_cfg[i].size;
 111                         i++;
 112                 }
 113
 114                 if (realsize >= nandsize)
 115                         printf("\nmtd_partition_cfg error, use default mtd partition table\n");
 116                 else
 117                         create_mtdpart_buffer(nandsize, realsize);
 118         } /* if (nandsize == 0) */
 119
 120         return mtdpartbuffer;
 121 #endif
 122 }
 123
 124 int get_cal_enum_ms(void)
 125 {
 126     return CALIBRATE_ENUM_MS;
 127 }
 128 int get_cal_io_ms(void)
 129 {
 130     return CALIBRATE_IO_MS;
 131 }
 132 unsigned int get_bat_low_level(void)
 133 {
 134     return LOW_BAT_VOL;
 135 }
 136 unsigned int get_bat_low_level_chg(void)
 137 {
 138         return LOW_BAT_VOL_CHG;
 139 }
 140
 141
 142 unsigned int get_pwr_key_cnt(void)
 143 {
 144 #if defined(CONFIG_FPGA)
 145     return 0;
 146 #else
 147     return PWR_KEY_DETECT_CNT;
 148 #endif
 149 }
 150
 151 unsigned int get_alarm_lead_set(void)
 152 {
 153     return ALARM_LEAD_SET_MS;
 154 }