rt-thread/bsp/nuvoton/libraries/ma35/rtt_port/drv_sspcc.c

42 lines
918 B
C

/**************************************************************************//**
*
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-10-20 Wayne First version
*
******************************************************************************/
#include "rtthread.h"
#if defined(BSP_USING_SSPCC)
#include "drv_common.h"
rt_err_t nu_sspcc_init(void)
{
int i, j;
/* Enable SSPCC clock. */
CLK->APBCLK2 |= CLK_APBCLK2_SSPCCEN_Msk;
/* Assign all SRAM1 capacity to TZNS. */
SSPCC->SRAMSB = 0;
/* Set all GPIO security set to TZNS. */
for (i = 0; i < 16; i++)
{
for (j = 0; j < 14; j++)
{
SSPCC_SetRealm_GPIO(GPIO_BASE + (j * 0x40), i, SSPCC_SSET_TZNS);
}
}
return RT_EOK;
}
#endif //#if defined(BSP_USING_SSPCC)