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/**************************************************************************//**
* @file ssmcc.c
* @brief SSMCC driver source file
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup SSMCC_Driver SSMCC Driver
@{
*/
/** @addtogroup SSMCC_EXPORTED_FUNCTIONS SSMCC Exported Functions
@{
*/
/**
* @brief Set TZC Region0.
* @param[in] u32Attr is security attribute for all region 0.
* @return none
* @details
* SSMCC::TZC0:Ch0 CA35, AXI-AP
* SSMCC::TZC0:Ch1 GFX, VC8000
* SSMCC::TZC0:Ch2 DCUltra
* SSMCC::TZC0:Ch3 GMAC0, GMAC1
* SSMCC::TZC2:Ch0 CCAP0, CCAP1
* SSMCC::TZC2:Ch1 CM4
* PDMA0, PDMA1, PDMA2, PDMA3
* SDH0, SDH1
* HSUSBH0, HSUSBH1, USBH0, USBH1, USBH2
* HSUSBD, NFI
* SSMCC::TZC2:Ch2 CRYPTO
* \hideinitializer
*/
#define TZC0_CH_NUM 4
#define TZC2_CH_NUM 3
void SSMCC_SetRegion0(uint32_t u32Attr)
{
/* Enable SSMCC clock */
CLK->APBCLK2 |= CLK_APBCLK2_SSMCCEN_Msk;
/* Enable IP clocks on channels. */
CLK->CLKSEL0 |= CLK_CLKSEL0_SYSCK0SEL_SYSPLL;
CLK->SYSCLK0 |= (CLK_SYSCLK0_CCAP1EN_Msk |
CLK_SYSCLK0_CCAP0EN_Msk |
CLK_SYSCLK0_GMAC1EN_Msk |
CLK_SYSCLK0_GMAC0EN_Msk |
CLK_SYSCLK0_DCUEN_Msk |
CLK_SYSCLK0_VDECEN_Msk |
CLK_SYSCLK0_GFXEN_Msk |
CLK_SYSCLK0_HUSBH1EN_Msk |
CLK_SYSCLK0_HUSBH0EN_Msk |
CLK_SYSCLK0_USBHEN_Msk |
CLK_SYSCLK0_USBDEN_Msk |
CLK_SYSCLK0_NANDEN_Msk |
CLK_SYSCLK0_SDH1EN_Msk |
CLK_SYSCLK0_SDH0EN_Msk);
/* Set region 0 secure attribute */
TZC0->REGION[SSMCC_REGION_0].ATTRIBUTES = u32Attr & (TZC_REGION_ATTRIBUTES_s_rd_en_Msk | TZC_REGION_ATTRIBUTES_s_wr_en_Msk);
TZC0->GATE_KEEPER = (1 << TZC0_CH_NUM) - 1; /* CH[0, 1, 2, 3] used, filter mask is 0xF */
TZC2->REGION[SSMCC_REGION_0].ATTRIBUTES = u32Attr & (TZC_REGION_ATTRIBUTES_s_rd_en_Msk | TZC_REGION_ATTRIBUTES_s_wr_en_Msk);
TZC2->GATE_KEEPER = (1 << TZC2_CH_NUM) - 1; /* CH[0, 1, 2] used, filter mask is 0x7 */
while (1)
{
if (((TZC0->GATE_KEEPER & TZC_GATE_KEEPER_open_status_Msk) == (((1 << TZC0_CH_NUM) - 1) << TZC_GATE_KEEPER_open_status_Pos))
&& ((TZC2->GATE_KEEPER & TZC_GATE_KEEPER_open_status_Msk) == (((1 << TZC2_CH_NUM) - 1) << TZC_GATE_KEEPER_open_status_Pos)))
{
break;
}
}
/* set region 0 non-secure attribute */
TZC0->REGION[SSMCC_REGION_0].ID_ACCESS = u32Attr & 0x00010001;
TZC2->REGION[SSMCC_REGION_0].ID_ACCESS = u32Attr & 0x00030003;
CLK->SYSCLK0 &= ~(CLK_SYSCLK0_CCAP1EN_Msk |
CLK_SYSCLK0_CCAP0EN_Msk |
CLK_SYSCLK0_GMAC1EN_Msk |
CLK_SYSCLK0_GMAC0EN_Msk |
CLK_SYSCLK0_DCUEN_Msk |
CLK_SYSCLK0_VDECEN_Msk |
CLK_SYSCLK0_GFXEN_Msk |
CLK_SYSCLK0_HUSBH1EN_Msk |
CLK_SYSCLK0_HUSBH0EN_Msk |
CLK_SYSCLK0_USBHEN_Msk |
CLK_SYSCLK0_USBDEN_Msk |
CLK_SYSCLK0_NANDEN_Msk |
CLK_SYSCLK0_SDH1EN_Msk |
CLK_SYSCLK0_SDH0EN_Msk);
//CLK->CLKSEL0 &= ~CLK_CLKSEL0_SYSCK0SEL_Msk;
}
/**
* @brief Set TZC Regions.
* @param[in] psParam is structure pointer of SSMCC parameter.
* @return none
* @details
* \hideinitializer
*/
void SSMCC_SetRegion(SSMCC_PARAM_T *psParam)
{
if (psParam &&
psParam->region_no != SSMCC_REGION_0)
{
TZC0->REGION[psParam->region_no].BASE_LOW = psParam->base_address;
TZC0->REGION[psParam->region_no].TOP_LOW = psParam->base_address + psParam->size - 1;
TZC0->REGION[psParam->region_no].ATTRIBUTES = ((1 << TZC0_CH_NUM) - 1) | (psParam->attribute & (TZC_REGION_ATTRIBUTES_s_rd_en_Msk | TZC_REGION_ATTRIBUTES_s_wr_en_Msk));
TZC0->REGION[psParam->region_no].ID_ACCESS = psParam->attribute & 0x00010001;
TZC2->REGION[psParam->region_no].BASE_LOW = psParam->base_address;
TZC2->REGION[psParam->region_no].TOP_LOW = psParam->base_address + psParam->size - 1;
TZC2->REGION[psParam->region_no].ATTRIBUTES = ((1 << TZC2_CH_NUM) - 1) | (psParam->attribute & (TZC_REGION_ATTRIBUTES_s_rd_en_Msk | TZC_REGION_ATTRIBUTES_s_wr_en_Msk));
TZC2->REGION[psParam->region_no].ID_ACCESS = psParam->attribute & 0x00030003;
}
}
/*@}*/ /* end of group SSMCC_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group SSMCC_Driver */
/*@}*/ /* end of group Standard_Driver */
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