tool/mbed/mbed-sdk/libraries/tests/mbed/spifi2/main.cpp

   1 #include "test_env.h"
   2 #include "mbed.h"
   3 #include "spifi_rom_api.h"
   4
   5 extern const unsigned char splash_image1[]; extern int splash_image1_sz;
   6 extern const unsigned char splash_image2[]; extern int splash_image2_sz;
   7 extern const unsigned char splash_image3[]; extern int splash_image3_sz;
   8 extern const unsigned char splash_image4[]; extern int splash_image4_sz;
   9 extern const unsigned char splash_image5[]; extern int splash_image5_sz;
  10 extern const unsigned char splash_image6[]; extern int splash_image6_sz;
  11 extern const unsigned char splash_image7[]; extern int splash_image7_sz;
  12 extern const unsigned char splash_image8[]; extern int splash_image8_sz;
  13 extern const unsigned char splash_image9[]; extern int splash_image9_sz;
  14 extern const unsigned char splash_image10[]; extern int splash_image10_sz;
  15 extern const unsigned char splash_image11[]; extern int splash_image11_sz;
  16 extern const unsigned char splash_image12[]; extern int splash_image12_sz;
  17 extern const unsigned char splash_image13[]; extern int splash_image13_sz;
  18 extern const unsigned char splash_image14[]; extern int splash_image14_sz;
  19 extern const unsigned char splash_image15[]; extern int splash_image15_sz;
  20
  21 /*
  22  * The SPIFI_ROM_PTR (0x1FFF1FF8) points to an area where the pointers to
  23  * different drivers in ROM are stored.
  24  */
  25 typedef struct {
  26    /*const*/ unsigned p_usbd;     // USBROMD
  27    /*const*/ unsigned p_clib;
  28    /*const*/ unsigned p_cand;
  29    /*const*/ unsigned p_pwrd;     // PWRROMD
  30    /*const*/ unsigned p_promd;    // DIVROMD
  31    /*const*/ SPIFI_RTNS *pSPIFID; // SPIFIROMD
  32    /*const*/ unsigned p_dev3;
  33    /*const*/ unsigned p_dev4;
  34 } ROM;
  35
  36 #define ROM_DRIVERS_PTR ((ROM *)(*((unsigned int *)SPIFI_ROM_PTR)))
  37 #define IS_ADDR_IN_SPIFI(__addr)  ( (((uint32_t)(__addr)) & 0xff000000) == SPIFI_MEM_BASE )
  38 #define IS_ADDR_IN_IFLASH(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == 0x10000000 )
  39
  40 static void initialize_spifi(void)
  41 {
  42   SPIFIobj* obj = (SPIFIobj*)malloc(sizeof(SPIFIobj));
  43   if (obj == NULL) {
  44     // Failed to allocate memory for ROM data
  45         notify_completion(false);
  46   }
  47
  48   // Turn on SPIFI block as it is disabled on reset
  49   LPC_SC->PCONP |= 0x00010000;
  50
  51   // pinsel for SPIFI
  52   LPC_IOCON->P2_7 = 5; /* SPIFI_CSN @ P2.7 */
  53   LPC_IOCON->P0_22 = 5; /* SPIFI_CLK @ P0.22 */
  54   LPC_IOCON->P0_15 = 5; /* SPIFI_IO2 @ P0.15 */
  55   LPC_IOCON->P0_16 = 5; /* SPIFI_IO3 @ P0.16 */
  56   LPC_IOCON->P0_17 = 5; /* SPIFI_IO1 @ P0.17 */
  57   LPC_IOCON->P0_18 = 5; /* SPIFI_IO0 @ P0.18 */
  58
  59   uint32_t spifi_clk_div = (*((volatile uint32_t*)0x400FC1B4)) & 0x1f;
  60   uint32_t spifi_clk_mhz = (SystemCoreClock / spifi_clk_div) / 1000000;
  61
  62   const SPIFI_RTNS* _spifi = ROM_DRIVERS_PTR->pSPIFID;
  63
  64   /* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
  65   int rc = _spifi->spifi_init (obj, spifi_clk_mhz/5, S_FULLCLK+S_RCVCLK, spifi_clk_mhz);
  66   if (rc) {
  67         // Failed to initialize SPIFI
  68         notify_completion(false);
  69   }
  70 }
  71
  72 int main() {
  73
  74         initialize_spifi();
  75
  76         // Make sure that most files are placed in IFLASH
  77         if (IS_ADDR_IN_SPIFI(splash_image1)  ||
  78             IS_ADDR_IN_SPIFI(splash_image2)  ||
  79             IS_ADDR_IN_SPIFI(splash_image3)  ||
  80             IS_ADDR_IN_SPIFI(splash_image4)  ||
  81             IS_ADDR_IN_SPIFI(splash_image5)  ||
  82             IS_ADDR_IN_SPIFI(splash_image6)  ||
  83             IS_ADDR_IN_SPIFI(splash_image7)  ||
  84             IS_ADDR_IN_SPIFI(splash_image8)  ||
  85             IS_ADDR_IN_SPIFI(splash_image9)  ||
  86             IS_ADDR_IN_SPIFI(splash_image10) ||
  87             IS_ADDR_IN_SPIFI(splash_image11) ||
  88             IS_ADDR_IN_SPIFI(splash_image12) ||
  89             IS_ADDR_IN_SPIFI(splash_image13) ||
  90             IS_ADDR_IN_SPIFI(splash_image14)) {
  91                 notify_completion(false);
  92         }
  93
  94         // Make sure that splash_image15 is placed in SPIFI
  95         if (!IS_ADDR_IN_SPIFI(splash_image15)) {
  96                 notify_completion(false);
  97         }
  98
  99         notify_completion(true);
 100 }