mirror of https://github.com/ARMmbed/mbed-os.git
101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
#include "test_env.h"
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#include "mbed.h"
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#include "spifi_rom_api.h"
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extern const unsigned char splash_image1[]; extern int splash_image1_sz;
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extern const unsigned char splash_image2[]; extern int splash_image2_sz;
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extern const unsigned char splash_image3[]; extern int splash_image3_sz;
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extern const unsigned char splash_image4[]; extern int splash_image4_sz;
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extern const unsigned char splash_image5[]; extern int splash_image5_sz;
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extern const unsigned char splash_image6[]; extern int splash_image6_sz;
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extern const unsigned char splash_image7[]; extern int splash_image7_sz;
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extern const unsigned char splash_image8[]; extern int splash_image8_sz;
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extern const unsigned char splash_image9[]; extern int splash_image9_sz;
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extern const unsigned char splash_image10[]; extern int splash_image10_sz;
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extern const unsigned char splash_image11[]; extern int splash_image11_sz;
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extern const unsigned char splash_image12[]; extern int splash_image12_sz;
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extern const unsigned char splash_image13[]; extern int splash_image13_sz;
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extern const unsigned char splash_image14[]; extern int splash_image14_sz;
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extern const unsigned char splash_image15[]; extern int splash_image15_sz;
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/*
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* The SPIFI_ROM_PTR (0x1FFF1FF8) points to an area where the pointers to
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* different drivers in ROM are stored.
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*/
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typedef struct {
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/*const*/ unsigned p_usbd; // USBROMD
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/*const*/ unsigned p_clib;
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/*const*/ unsigned p_cand;
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/*const*/ unsigned p_pwrd; // PWRROMD
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/*const*/ unsigned p_promd; // DIVROMD
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/*const*/ SPIFI_RTNS *pSPIFID; // SPIFIROMD
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/*const*/ unsigned p_dev3;
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/*const*/ unsigned p_dev4;
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} ROM;
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#define ROM_DRIVERS_PTR ((ROM *)(*((unsigned int *)SPIFI_ROM_PTR)))
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#define IS_ADDR_IN_SPIFI(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == SPIFI_MEM_BASE )
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#define IS_ADDR_IN_IFLASH(__addr) ( (((uint32_t)(__addr)) & 0xff000000) == 0x10000000 )
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static void initialize_spifi(void)
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{
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SPIFIobj* obj = (SPIFIobj*)malloc(sizeof(SPIFIobj));
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if (obj == NULL) {
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// Failed to allocate memory for ROM data
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notify_completion(false);
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}
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// Turn on SPIFI block as it is disabled on reset
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LPC_SC->PCONP |= 0x00010000;
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// pinsel for SPIFI
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LPC_IOCON->P2_7 = 5; /* SPIFI_CSN @ P2.7 */
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LPC_IOCON->P0_22 = 5; /* SPIFI_CLK @ P0.22 */
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LPC_IOCON->P0_15 = 5; /* SPIFI_IO2 @ P0.15 */
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LPC_IOCON->P0_16 = 5; /* SPIFI_IO3 @ P0.16 */
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LPC_IOCON->P0_17 = 5; /* SPIFI_IO1 @ P0.17 */
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LPC_IOCON->P0_18 = 5; /* SPIFI_IO0 @ P0.18 */
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uint32_t spifi_clk_div = (*((volatile uint32_t*)0x400FC1B4)) & 0x1f;
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uint32_t spifi_clk_mhz = (SystemCoreClock / spifi_clk_div) / 1000000;
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const SPIFI_RTNS* _spifi = ROM_DRIVERS_PTR->pSPIFID;
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/* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
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int rc = _spifi->spifi_init (obj, spifi_clk_mhz/5, S_FULLCLK+S_RCVCLK, spifi_clk_mhz);
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if (rc) {
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// Failed to initialize SPIFI
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notify_completion(false);
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}
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}
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int main() {
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initialize_spifi();
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// Make sure that most files are placed in IFLASH
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if (IS_ADDR_IN_SPIFI(splash_image1) ||
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IS_ADDR_IN_SPIFI(splash_image2) ||
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IS_ADDR_IN_SPIFI(splash_image3) ||
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IS_ADDR_IN_SPIFI(splash_image4) ||
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IS_ADDR_IN_SPIFI(splash_image5) ||
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IS_ADDR_IN_SPIFI(splash_image6) ||
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IS_ADDR_IN_SPIFI(splash_image7) ||
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IS_ADDR_IN_SPIFI(splash_image8) ||
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IS_ADDR_IN_SPIFI(splash_image9) ||
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IS_ADDR_IN_SPIFI(splash_image10) ||
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IS_ADDR_IN_SPIFI(splash_image11) ||
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IS_ADDR_IN_SPIFI(splash_image12) ||
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IS_ADDR_IN_SPIFI(splash_image13) ||
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IS_ADDR_IN_SPIFI(splash_image14)) {
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notify_completion(false);
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}
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// Make sure that splash_image15 is placed in SPIFI
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if (!IS_ADDR_IN_SPIFI(splash_image15)) {
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notify_completion(false);
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}
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notify_completion(true);
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}
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