Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/unsupported/tests/mbed/spifi1/main.cpp@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 #include "test_env.h"
elessair 0:f269e3021894 2 #include "mbed.h"
elessair 0:f269e3021894 3 #include "spifi_rom_api.h"
elessair 0:f269e3021894 4
elessair 0:f269e3021894 5 __attribute__((section("SPIFI_MEM"))) const unsigned char cube_image[] = {
elessair 0:f269e3021894 6 137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,
elessair 0:f269e3021894 7 0,0,0,150,0,0,0,200,8,2,0,0,0,133,231,143,
elessair 0:f269e3021894 8 50,0,0,0,1,115,82,71,66,0,174,206,28,233,0,0,
elessair 0:f269e3021894 9 0,4,103,65,77,65,0,0,177,143,11,252,97,5,0,0,
elessair 0:f269e3021894 10 0,9,112,72,89,115,0,0,14,195,0,0,14,195,1,199,
elessair 0:f269e3021894 11 111,168,100,0,0,156,193,73,68,65,84,120,94,236,253,103,
elessair 0:f269e3021894 12 124,27,233,125,54,140,14,48,24,0,51,24,244,94,9,246,
elessair 0:f269e3021894 13 0,0,0,0,73,69,78,68,174,66,96,130};
elessair 0:f269e3021894 14
elessair 0:f269e3021894 15 int cube_image_sz = sizeof(cube_image);
elessair 0:f269e3021894 16
elessair 0:f269e3021894 17 const unsigned char cube_image_ref[] = {
elessair 0:f269e3021894 18 137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,
elessair 0:f269e3021894 19 0,0,0,150,0,0,0,200,8,2,0,0,0,133,231,143,
elessair 0:f269e3021894 20 50,0,0,0,1,115,82,71,66,0,174,206,28,233,0,0,
elessair 0:f269e3021894 21 0,4,103,65,77,65,0,0,177,143,11,252,97,5,0,0,
elessair 0:f269e3021894 22 0,9,112,72,89,115,0,0,14,195,0,0,14,195,1,199,
elessair 0:f269e3021894 23 111,168,100,0,0,156,193,73,68,65,84,120,94,236,253,103,
elessair 0:f269e3021894 24 124,27,233,125,54,140,14,48,24,0,51,24,244,94,9,246,
elessair 0:f269e3021894 25 0,0,0,0,73,69,78,68,174,66,96,130};
elessair 0:f269e3021894 26
elessair 0:f269e3021894 27 int cube_image_ref_sz = sizeof(cube_image_ref);
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 /*
elessair 0:f269e3021894 30 * The SPIFI_ROM_PTR (0x1FFF1FF8) points to an area where the pointers to
elessair 0:f269e3021894 31 * different drivers in ROM are stored.
elessair 0:f269e3021894 32 */
elessair 0:f269e3021894 33 typedef struct {
elessair 0:f269e3021894 34 /*const*/ unsigned p_usbd; // USBROMD
elessair 0:f269e3021894 35 /*const*/ unsigned p_clib;
elessair 0:f269e3021894 36 /*const*/ unsigned p_cand;
elessair 0:f269e3021894 37 /*const*/ unsigned p_pwrd; // PWRROMD
elessair 0:f269e3021894 38 /*const*/ unsigned p_promd; // DIVROMD
elessair 0:f269e3021894 39 /*const*/ SPIFI_RTNS *pSPIFID; // SPIFIROMD
elessair 0:f269e3021894 40 /*const*/ unsigned p_dev3;
elessair 0:f269e3021894 41 /*const*/ unsigned p_dev4;
elessair 0:f269e3021894 42 } ROM;
elessair 0:f269e3021894 43
elessair 0:f269e3021894 44 #define ROM_DRIVERS_PTR ((ROM *)(*((unsigned int *)SPIFI_ROM_PTR)))
elessair 0:f269e3021894 45 #define IS_ADDR_IN_SPIFI(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == SPIFI_MEM_BASE )
elessair 0:f269e3021894 46 #define IS_ADDR_IN_IFLASH(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == 0x10000000 )
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 static void initialize_spifi(void)
elessair 0:f269e3021894 49 {
elessair 0:f269e3021894 50 SPIFIobj* obj = (SPIFIobj*)malloc(sizeof(SPIFIobj));
elessair 0:f269e3021894 51 if (obj == NULL) {
elessair 0:f269e3021894 52 // Failed to allocate memory for ROM data
elessair 0:f269e3021894 53 notify_completion(false);
elessair 0:f269e3021894 54 }
elessair 0:f269e3021894 55
elessair 0:f269e3021894 56 // Turn on SPIFI block as it is disabled on reset
elessair 0:f269e3021894 57 LPC_SC->PCONP |= 0x00010000;
elessair 0:f269e3021894 58
elessair 0:f269e3021894 59 // pinsel for SPIFI
elessair 0:f269e3021894 60 LPC_IOCON->P2_7 = 5; /* SPIFI_CSN @ P2.7 */
elessair 0:f269e3021894 61 LPC_IOCON->P0_22 = 5; /* SPIFI_CLK @ P0.22 */
elessair 0:f269e3021894 62 LPC_IOCON->P0_15 = 5; /* SPIFI_IO2 @ P0.15 */
elessair 0:f269e3021894 63 LPC_IOCON->P0_16 = 5; /* SPIFI_IO3 @ P0.16 */
elessair 0:f269e3021894 64 LPC_IOCON->P0_17 = 5; /* SPIFI_IO1 @ P0.17 */
elessair 0:f269e3021894 65 LPC_IOCON->P0_18 = 5; /* SPIFI_IO0 @ P0.18 */
elessair 0:f269e3021894 66
elessair 0:f269e3021894 67 uint32_t spifi_clk_div = (*((volatile uint32_t*)0x400FC1B4)) & 0x1f;
elessair 0:f269e3021894 68 uint32_t spifi_clk_mhz = (SystemCoreClock / spifi_clk_div) / 1000000;
elessair 0:f269e3021894 69
elessair 0:f269e3021894 70 const SPIFI_RTNS* _spifi = ROM_DRIVERS_PTR->pSPIFID;
elessair 0:f269e3021894 71
elessair 0:f269e3021894 72 /* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
elessair 0:f269e3021894 73 int rc = _spifi->spifi_init (obj, spifi_clk_mhz/5, S_FULLCLK+S_RCVCLK, spifi_clk_mhz);
elessair 0:f269e3021894 74 if (rc) {
elessair 0:f269e3021894 75 // Failed to initialize SPIFI
elessair 0:f269e3021894 76 notify_completion(false);
elessair 0:f269e3021894 77 }
elessair 0:f269e3021894 78 }
elessair 0:f269e3021894 79
elessair 0:f269e3021894 80 int main() {
elessair 0:f269e3021894 81
elessair 0:f269e3021894 82 initialize_spifi();
elessair 0:f269e3021894 83
elessair 0:f269e3021894 84 // Make sure that cube_image is placed in SPIFI
elessair 0:f269e3021894 85 if (!IS_ADDR_IN_SPIFI(cube_image)) {
elessair 0:f269e3021894 86 notify_completion(false);
elessair 0:f269e3021894 87 }
elessair 0:f269e3021894 88
elessair 0:f269e3021894 89 // Make sure that cube_image_ref is in IFLASH
elessair 0:f269e3021894 90 if (IS_ADDR_IN_SPIFI(cube_image_ref)) {
elessair 0:f269e3021894 91 notify_completion(false);
elessair 0:f269e3021894 92 }
elessair 0:f269e3021894 93
elessair 0:f269e3021894 94 // Compare content
elessair 0:f269e3021894 95 if (cube_image_sz != cube_image_ref_sz) {
elessair 0:f269e3021894 96 notify_completion(false);
elessair 0:f269e3021894 97 } else {
elessair 0:f269e3021894 98 int i = 0;
elessair 0:f269e3021894 99 for (; i < cube_image_sz; i++) {
elessair 0:f269e3021894 100 if (cube_image[i] != cube_image_ref[i]) {
elessair 0:f269e3021894 101 notify_completion(false);
elessair 0:f269e3021894 102 }
elessair 0:f269e3021894 103 }
elessair 0:f269e3021894 104 }
elessair 0:f269e3021894 105
elessair 0:f269e3021894 106 notify_completion(true);
elessair 0:f269e3021894 107 }