Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

libraries/tests/mbed/spifi1/main.cpp@0:6c56fb4bc5f0, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:27:58 2016 +0000
Revision:
0:6c56fb4bc5f0
Moving to library for sharing updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 #include "test_env.h"
nexpaq 0:6c56fb4bc5f0 2 #include "mbed.h"
nexpaq 0:6c56fb4bc5f0 3 #include "spifi_rom_api.h"
nexpaq 0:6c56fb4bc5f0 4
nexpaq 0:6c56fb4bc5f0 5 __attribute__((section("SPIFI_MEM"))) const unsigned char cube_image[] = {
nexpaq 0:6c56fb4bc5f0 6 137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,
nexpaq 0:6c56fb4bc5f0 7 0,0,0,150,0,0,0,200,8,2,0,0,0,133,231,143,
nexpaq 0:6c56fb4bc5f0 8 50,0,0,0,1,115,82,71,66,0,174,206,28,233,0,0,
nexpaq 0:6c56fb4bc5f0 9 0,4,103,65,77,65,0,0,177,143,11,252,97,5,0,0,
nexpaq 0:6c56fb4bc5f0 10 0,9,112,72,89,115,0,0,14,195,0,0,14,195,1,199,
nexpaq 0:6c56fb4bc5f0 11 111,168,100,0,0,156,193,73,68,65,84,120,94,236,253,103,
nexpaq 0:6c56fb4bc5f0 12 124,27,233,125,54,140,14,48,24,0,51,24,244,94,9,246,
nexpaq 0:6c56fb4bc5f0 13 0,0,0,0,73,69,78,68,174,66,96,130};
nexpaq 0:6c56fb4bc5f0 14
nexpaq 0:6c56fb4bc5f0 15 int cube_image_sz = sizeof(cube_image);
nexpaq 0:6c56fb4bc5f0 16
nexpaq 0:6c56fb4bc5f0 17 const unsigned char cube_image_ref[] = {
nexpaq 0:6c56fb4bc5f0 18 137,80,78,71,13,10,26,10,0,0,0,13,73,72,68,82,
nexpaq 0:6c56fb4bc5f0 19 0,0,0,150,0,0,0,200,8,2,0,0,0,133,231,143,
nexpaq 0:6c56fb4bc5f0 20 50,0,0,0,1,115,82,71,66,0,174,206,28,233,0,0,
nexpaq 0:6c56fb4bc5f0 21 0,4,103,65,77,65,0,0,177,143,11,252,97,5,0,0,
nexpaq 0:6c56fb4bc5f0 22 0,9,112,72,89,115,0,0,14,195,0,0,14,195,1,199,
nexpaq 0:6c56fb4bc5f0 23 111,168,100,0,0,156,193,73,68,65,84,120,94,236,253,103,
nexpaq 0:6c56fb4bc5f0 24 124,27,233,125,54,140,14,48,24,0,51,24,244,94,9,246,
nexpaq 0:6c56fb4bc5f0 25 0,0,0,0,73,69,78,68,174,66,96,130};
nexpaq 0:6c56fb4bc5f0 26
nexpaq 0:6c56fb4bc5f0 27 int cube_image_ref_sz = sizeof(cube_image_ref);
nexpaq 0:6c56fb4bc5f0 28
nexpaq 0:6c56fb4bc5f0 29 /*
nexpaq 0:6c56fb4bc5f0 30 * The SPIFI_ROM_PTR (0x1FFF1FF8) points to an area where the pointers to
nexpaq 0:6c56fb4bc5f0 31 * different drivers in ROM are stored.
nexpaq 0:6c56fb4bc5f0 32 */
nexpaq 0:6c56fb4bc5f0 33 typedef struct {
nexpaq 0:6c56fb4bc5f0 34 /*const*/ unsigned p_usbd; // USBROMD
nexpaq 0:6c56fb4bc5f0 35 /*const*/ unsigned p_clib;
nexpaq 0:6c56fb4bc5f0 36 /*const*/ unsigned p_cand;
nexpaq 0:6c56fb4bc5f0 37 /*const*/ unsigned p_pwrd; // PWRROMD
nexpaq 0:6c56fb4bc5f0 38 /*const*/ unsigned p_promd; // DIVROMD
nexpaq 0:6c56fb4bc5f0 39 /*const*/ SPIFI_RTNS *pSPIFID; // SPIFIROMD
nexpaq 0:6c56fb4bc5f0 40 /*const*/ unsigned p_dev3;
nexpaq 0:6c56fb4bc5f0 41 /*const*/ unsigned p_dev4;
nexpaq 0:6c56fb4bc5f0 42 } ROM;
nexpaq 0:6c56fb4bc5f0 43
nexpaq 0:6c56fb4bc5f0 44 #define ROM_DRIVERS_PTR ((ROM *)(*((unsigned int *)SPIFI_ROM_PTR)))
nexpaq 0:6c56fb4bc5f0 45 #define IS_ADDR_IN_SPIFI(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == SPIFI_MEM_BASE )
nexpaq 0:6c56fb4bc5f0 46 #define IS_ADDR_IN_IFLASH(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == 0x10000000 )
nexpaq 0:6c56fb4bc5f0 47
nexpaq 0:6c56fb4bc5f0 48 static void initialize_spifi(void)
nexpaq 0:6c56fb4bc5f0 49 {
nexpaq 0:6c56fb4bc5f0 50 SPIFIobj* obj = (SPIFIobj*)malloc(sizeof(SPIFIobj));
nexpaq 0:6c56fb4bc5f0 51 if (obj == NULL) {
nexpaq 0:6c56fb4bc5f0 52 // Failed to allocate memory for ROM data
nexpaq 0:6c56fb4bc5f0 53 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 54 }
nexpaq 0:6c56fb4bc5f0 55
nexpaq 0:6c56fb4bc5f0 56 // Turn on SPIFI block as it is disabled on reset
nexpaq 0:6c56fb4bc5f0 57 LPC_SC->PCONP |= 0x00010000;
nexpaq 0:6c56fb4bc5f0 58
nexpaq 0:6c56fb4bc5f0 59 // pinsel for SPIFI
nexpaq 0:6c56fb4bc5f0 60 LPC_IOCON->P2_7 = 5; /* SPIFI_CSN @ P2.7 */
nexpaq 0:6c56fb4bc5f0 61 LPC_IOCON->P0_22 = 5; /* SPIFI_CLK @ P0.22 */
nexpaq 0:6c56fb4bc5f0 62 LPC_IOCON->P0_15 = 5; /* SPIFI_IO2 @ P0.15 */
nexpaq 0:6c56fb4bc5f0 63 LPC_IOCON->P0_16 = 5; /* SPIFI_IO3 @ P0.16 */
nexpaq 0:6c56fb4bc5f0 64 LPC_IOCON->P0_17 = 5; /* SPIFI_IO1 @ P0.17 */
nexpaq 0:6c56fb4bc5f0 65 LPC_IOCON->P0_18 = 5; /* SPIFI_IO0 @ P0.18 */
nexpaq 0:6c56fb4bc5f0 66
nexpaq 0:6c56fb4bc5f0 67 uint32_t spifi_clk_div = (*((volatile uint32_t*)0x400FC1B4)) & 0x1f;
nexpaq 0:6c56fb4bc5f0 68 uint32_t spifi_clk_mhz = (SystemCoreClock / spifi_clk_div) / 1000000;
nexpaq 0:6c56fb4bc5f0 69
nexpaq 0:6c56fb4bc5f0 70 const SPIFI_RTNS* _spifi = ROM_DRIVERS_PTR->pSPIFID;
nexpaq 0:6c56fb4bc5f0 71
nexpaq 0:6c56fb4bc5f0 72 /* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
nexpaq 0:6c56fb4bc5f0 73 int rc = _spifi->spifi_init (obj, spifi_clk_mhz/5, S_FULLCLK+S_RCVCLK, spifi_clk_mhz);
nexpaq 0:6c56fb4bc5f0 74 if (rc) {
nexpaq 0:6c56fb4bc5f0 75 // Failed to initialize SPIFI
nexpaq 0:6c56fb4bc5f0 76 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 77 }
nexpaq 0:6c56fb4bc5f0 78 }
nexpaq 0:6c56fb4bc5f0 79
nexpaq 0:6c56fb4bc5f0 80 int main() {
nexpaq 0:6c56fb4bc5f0 81
nexpaq 0:6c56fb4bc5f0 82 initialize_spifi();
nexpaq 0:6c56fb4bc5f0 83
nexpaq 0:6c56fb4bc5f0 84 // Make sure that cube_image is placed in SPIFI
nexpaq 0:6c56fb4bc5f0 85 if (!IS_ADDR_IN_SPIFI(cube_image)) {
nexpaq 0:6c56fb4bc5f0 86 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 87 }
nexpaq 0:6c56fb4bc5f0 88
nexpaq 0:6c56fb4bc5f0 89 // Make sure that cube_image_ref is in IFLASH
nexpaq 0:6c56fb4bc5f0 90 if (IS_ADDR_IN_SPIFI(cube_image_ref)) {
nexpaq 0:6c56fb4bc5f0 91 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 92 }
nexpaq 0:6c56fb4bc5f0 93
nexpaq 0:6c56fb4bc5f0 94 // Compare content
nexpaq 0:6c56fb4bc5f0 95 if (cube_image_sz != cube_image_ref_sz) {
nexpaq 0:6c56fb4bc5f0 96 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 97 } else {
nexpaq 0:6c56fb4bc5f0 98 int i = 0;
nexpaq 0:6c56fb4bc5f0 99 for (; i < cube_image_sz; i++) {
nexpaq 0:6c56fb4bc5f0 100 if (cube_image[i] != cube_image_ref[i]) {
nexpaq 0:6c56fb4bc5f0 101 notify_completion(false);
nexpaq 0:6c56fb4bc5f0 102 }
nexpaq 0:6c56fb4bc5f0 103 }
nexpaq 0:6c56fb4bc5f0 104 }
nexpaq 0:6c56fb4bc5f0 105
nexpaq 0:6c56fb4bc5f0 106 notify_completion(true);
nexpaq 0:6c56fb4bc5f0 107 }