FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo/src/platform.c

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#include "xparameters.h"
#include "xil_cache.h"

#include "platform_config.h"

/*
 * Uncomment the following line if ps7 init source files are added in the
 * source directory for compiling example outside of SDK.
 */
/*#include "ps7_init.h"*/

#ifdef STDOUT_IS_16550
 #include "xuartns550_l.h"

 #define UART_BAUD 9600
#endif

void
enable_caches()
{
#ifdef __PPC__
    Xil_ICacheEnableRegion(CACHEABLE_REGION_MASK);
    Xil_DCacheEnableRegion(CACHEABLE_REGION_MASK);
#elif __MICROBLAZE__
#ifdef XPAR_MICROBLAZE_USE_ICACHE
    Xil_ICacheEnable();
#endif
#ifdef XPAR_MICROBLAZE_USE_DCACHE
    Xil_DCacheEnable();
#endif
#endif
}

void
disable_caches()
{
    Xil_DCacheDisable();
    Xil_ICacheDisable();
}

void
init_uart()
{
#ifdef STDOUT_IS_16550
    XUartNs550_SetBaud(STDOUT_BASEADDR, XPAR_XUARTNS550_CLOCK_HZ, UART_BAUD);
    XUartNs550_SetLineControlReg(STDOUT_BASEADDR, XUN_LCR_8_DATA_BITS);
#endif
#ifdef STDOUT_IS_PS7_UART
    /* Bootrom/BSP configures PS7 UART to 115200 bps */
#endif
}

void
init_platform()
{
    /*
     * If you want to run this example outside of SDK,
     * uncomment the following line and also #include "ps7_init.h" at the top.
     * Make sure that the ps7_init.c and ps7_init.h files are included
     * along with this example source files for compilation.
     */
    /* ps7_init();*/
    enable_caches();
    init_uart();
}

void
cleanup_platform()
{
    disable_caches();
}