Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/unsupported/tests/mbed/spifi2/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 extern const unsigned char splash_image1[]; extern int splash_image1_sz;
elessair 0:f269e3021894 6 extern const unsigned char splash_image2[]; extern int splash_image2_sz;
elessair 0:f269e3021894 7 extern const unsigned char splash_image3[]; extern int splash_image3_sz;
elessair 0:f269e3021894 8 extern const unsigned char splash_image4[]; extern int splash_image4_sz;
elessair 0:f269e3021894 9 extern const unsigned char splash_image5[]; extern int splash_image5_sz;
elessair 0:f269e3021894 10 extern const unsigned char splash_image6[]; extern int splash_image6_sz;
elessair 0:f269e3021894 11 extern const unsigned char splash_image7[]; extern int splash_image7_sz;
elessair 0:f269e3021894 12 extern const unsigned char splash_image8[]; extern int splash_image8_sz;
elessair 0:f269e3021894 13 extern const unsigned char splash_image9[]; extern int splash_image9_sz;
elessair 0:f269e3021894 14 extern const unsigned char splash_image10[]; extern int splash_image10_sz;
elessair 0:f269e3021894 15 extern const unsigned char splash_image11[]; extern int splash_image11_sz;
elessair 0:f269e3021894 16 extern const unsigned char splash_image12[]; extern int splash_image12_sz;
elessair 0:f269e3021894 17 extern const unsigned char splash_image13[]; extern int splash_image13_sz;
elessair 0:f269e3021894 18 extern const unsigned char splash_image14[]; extern int splash_image14_sz;
elessair 0:f269e3021894 19 extern const unsigned char splash_image15[]; extern int splash_image15_sz;
elessair 0:f269e3021894 20
elessair 0:f269e3021894 21 /*
elessair 0:f269e3021894 22 * The SPIFI_ROM_PTR (0x1FFF1FF8) points to an area where the pointers to
elessair 0:f269e3021894 23 * different drivers in ROM are stored.
elessair 0:f269e3021894 24 */
elessair 0:f269e3021894 25 typedef struct {
elessair 0:f269e3021894 26 /*const*/ unsigned p_usbd; // USBROMD
elessair 0:f269e3021894 27 /*const*/ unsigned p_clib;
elessair 0:f269e3021894 28 /*const*/ unsigned p_cand;
elessair 0:f269e3021894 29 /*const*/ unsigned p_pwrd; // PWRROMD
elessair 0:f269e3021894 30 /*const*/ unsigned p_promd; // DIVROMD
elessair 0:f269e3021894 31 /*const*/ SPIFI_RTNS *pSPIFID; // SPIFIROMD
elessair 0:f269e3021894 32 /*const*/ unsigned p_dev3;
elessair 0:f269e3021894 33 /*const*/ unsigned p_dev4;
elessair 0:f269e3021894 34 } ROM;
elessair 0:f269e3021894 35
elessair 0:f269e3021894 36 #define ROM_DRIVERS_PTR ((ROM *)(*((unsigned int *)SPIFI_ROM_PTR)))
elessair 0:f269e3021894 37 #define IS_ADDR_IN_SPIFI(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == SPIFI_MEM_BASE )
elessair 0:f269e3021894 38 #define IS_ADDR_IN_IFLASH(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == 0x10000000 )
elessair 0:f269e3021894 39
elessair 0:f269e3021894 40 static void initialize_spifi(void)
elessair 0:f269e3021894 41 {
elessair 0:f269e3021894 42 SPIFIobj* obj = (SPIFIobj*)malloc(sizeof(SPIFIobj));
elessair 0:f269e3021894 43 if (obj == NULL) {
elessair 0:f269e3021894 44 // Failed to allocate memory for ROM data
elessair 0:f269e3021894 45 notify_completion(false);
elessair 0:f269e3021894 46 }
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 // Turn on SPIFI block as it is disabled on reset
elessair 0:f269e3021894 49 LPC_SC->PCONP |= 0x00010000;
elessair 0:f269e3021894 50
elessair 0:f269e3021894 51 // pinsel for SPIFI
elessair 0:f269e3021894 52 LPC_IOCON->P2_7 = 5; /* SPIFI_CSN @ P2.7 */
elessair 0:f269e3021894 53 LPC_IOCON->P0_22 = 5; /* SPIFI_CLK @ P0.22 */
elessair 0:f269e3021894 54 LPC_IOCON->P0_15 = 5; /* SPIFI_IO2 @ P0.15 */
elessair 0:f269e3021894 55 LPC_IOCON->P0_16 = 5; /* SPIFI_IO3 @ P0.16 */
elessair 0:f269e3021894 56 LPC_IOCON->P0_17 = 5; /* SPIFI_IO1 @ P0.17 */
elessair 0:f269e3021894 57 LPC_IOCON->P0_18 = 5; /* SPIFI_IO0 @ P0.18 */
elessair 0:f269e3021894 58
elessair 0:f269e3021894 59 uint32_t spifi_clk_div = (*((volatile uint32_t*)0x400FC1B4)) & 0x1f;
elessair 0:f269e3021894 60 uint32_t spifi_clk_mhz = (SystemCoreClock / spifi_clk_div) / 1000000;
elessair 0:f269e3021894 61
elessair 0:f269e3021894 62 const SPIFI_RTNS* _spifi = ROM_DRIVERS_PTR->pSPIFID;
elessair 0:f269e3021894 63
elessair 0:f269e3021894 64 /* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
elessair 0:f269e3021894 65 int rc = _spifi->spifi_init (obj, spifi_clk_mhz/5, S_FULLCLK+S_RCVCLK, spifi_clk_mhz);
elessair 0:f269e3021894 66 if (rc) {
elessair 0:f269e3021894 67 // Failed to initialize SPIFI
elessair 0:f269e3021894 68 notify_completion(false);
elessair 0:f269e3021894 69 }
elessair 0:f269e3021894 70 }
elessair 0:f269e3021894 71
elessair 0:f269e3021894 72 int main() {
elessair 0:f269e3021894 73
elessair 0:f269e3021894 74 initialize_spifi();
elessair 0:f269e3021894 75
elessair 0:f269e3021894 76 // Make sure that most files are placed in IFLASH
elessair 0:f269e3021894 77 if (IS_ADDR_IN_SPIFI(splash_image1) ||
elessair 0:f269e3021894 78 IS_ADDR_IN_SPIFI(splash_image2) ||
elessair 0:f269e3021894 79 IS_ADDR_IN_SPIFI(splash_image3) ||
elessair 0:f269e3021894 80 IS_ADDR_IN_SPIFI(splash_image4) ||
elessair 0:f269e3021894 81 IS_ADDR_IN_SPIFI(splash_image5) ||
elessair 0:f269e3021894 82 IS_ADDR_IN_SPIFI(splash_image6) ||
elessair 0:f269e3021894 83 IS_ADDR_IN_SPIFI(splash_image7) ||
elessair 0:f269e3021894 84 IS_ADDR_IN_SPIFI(splash_image8) ||
elessair 0:f269e3021894 85 IS_ADDR_IN_SPIFI(splash_image9) ||
elessair 0:f269e3021894 86 IS_ADDR_IN_SPIFI(splash_image10) ||
elessair 0:f269e3021894 87 IS_ADDR_IN_SPIFI(splash_image11) ||
elessair 0:f269e3021894 88 IS_ADDR_IN_SPIFI(splash_image12) ||
elessair 0:f269e3021894 89 IS_ADDR_IN_SPIFI(splash_image13) ||
elessair 0:f269e3021894 90 IS_ADDR_IN_SPIFI(splash_image14)) {
elessair 0:f269e3021894 91 notify_completion(false);
elessair 0:f269e3021894 92 }
elessair 0:f269e3021894 93
elessair 0:f269e3021894 94 // Make sure that splash_image15 is placed in SPIFI
elessair 0:f269e3021894 95 if (!IS_ADDR_IN_SPIFI(splash_image15)) {
elessair 0:f269e3021894 96 notify_completion(false);
elessair 0:f269e3021894 97 }
elessair 0:f269e3021894 98
elessair 0:f269e3021894 99 notify_completion(true);
elessair 0:f269e3021894 100 }