plat/renesas/rcar/bl2_secure_setting.c

/*
 * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include "axi_registers.h"
#include "lifec_registers.h"
#include "micro_delay.h"
#include "mmio.h"
#include "utils_def.h"

static void lifec_security_setting(void);
static void axi_security_setting(void);

static const struct {
	uint32_t reg;
	uint32_t val;
} lifec[] = {
	/** LIFEC0 (SECURITY) settings					*/
	/* Security attribute setting for master ports                  */
	/* Bit 0: ARM realtime core (Cortex-R7) master port             */
	/*       0: Non-Secure                                          */
	{
	SEC_SRC, 0x0000001EU},
	/** Security attribute setting for slave ports 0 to 15		*/
	    /*      {SEC_SEL0,              0xFFFFFFFFU},                   */
	    /*      {SEC_SEL1,              0xFFFFFFFFU},                   */
	    /*      {SEC_SEL2,              0xFFFFFFFFU},                   */
	    /* Bit19: AXI-Bus (Main Memory domain AXI) slave ports          */
	    /*        0: registers accessed from secure resource only       */
	    /* Bit 9: DBSC4 register access slave ports.                    */
	    /*        0: registers accessed from secure resource only.      */
#if (LIFEC_DBSC_PROTECT_ENABLE == 1)
	{
	SEC_SEL3, 0xFFF7FDFFU},
#else
	{
	SEC_SEL3, 0xFFFFFFFFU},
#endif
	    /*      {SEC_SEL4,              0xFFFFFFFFU},                   */
	    /* Bit 6: Boot ROM slave ports.                                 */
	    /*        0: registers accessed from secure resource only       */
	{
	SEC_SEL5, 0xFFFFFFBFU},
	    /* Bit13: SCEG PKA (secure APB) slave ports                     */
	    /*        0: registers accessed from secure resource only       */
	    /*        1: Reserved[R-Car E3]                                 */
	    /* Bit12: SCEG PKA (public APB) slave ports                     */
	    /*        0: registers accessed from secure resource only       */
	    /*        1: Reserved[R-Car E3]                                 */
	    /* Bit10: SCEG Secure Core slave ports                          */
	    /*        0: registers accessed from secure resource only       */
#if RCAR_LSI == RCAR_E3
	{
	SEC_SEL6, 0xFFFFFBFFU},
#else
	{
	SEC_SEL6, 0xFFFFCBFFU},
#endif
	    /*      {SEC_SEL7,              0xFFFFFFFFU},                   */
	    /*      {SEC_SEL8,              0xFFFFFFFFU},                   */
	    /*      {SEC_SEL9,              0xFFFFFFFFU},                   */
	    /*      {SEC_SEL10,             0xFFFFFFFFU},                   */
	    /*      {SEC_SEL11,             0xFFFFFFFFU},                   */
	    /*      {SEC_SEL12,             0xFFFFFFFFU},                   */
	    /* Bit22: RPC slave ports.                                      */
	    /*        0: registers accessed from secure resource only.      */
#if (RCAR_RPC_HYPERFLASH_LOCKED == 1)
	    {SEC_SEL13,          0xFFBFFFFFU},
#endif
	    /* Bit27: System Timer (SCMT) slave ports                       */
	    /*        0: registers accessed from secure resource only       */
	    /* Bit26: System Watchdog Timer (SWDT) slave ports              */
	    /*        0: registers accessed from secure resource only       */
	{
	SEC_SEL14, 0xF3FFFFFFU},
	    /* Bit13: RST slave ports. */
	    /*        0: registers accessed from secure resource only       */
	    /* Bit 7: Life Cycle 0 slave ports                              */
	    /*        0: registers accessed from secure resource only       */
	{
	SEC_SEL15, 0xFFFFFF3FU},
	/** Security group 0 attribute setting for master ports 0	*/
	/** Security group 1 attribute setting for master ports 0	*/
	    /*      {SEC_GRP0CR0,           0x00000000U},                   */
	    /*      {SEC_GRP1CR0,           0x00000000U},                   */
	/** Security group 0 attribute setting for master ports 1	*/
	/** Security group 1 attribute setting for master ports 1	*/
	    /*      {SEC_GRP0CR1,           0x00000000U},                   */
	    /*      {SEC_GRP1CR1,           0x00000000U},                   */
	/** Security group 0 attribute setting for master ports 2 	*/
	/** Security group 1 attribute setting for master ports 2 	*/
	    /* Bit17: SCEG Secure Core master ports.                        */
	    /*        SecurityGroup3                                        */
	{
	SEC_GRP0CR2, 0x00020000U}, {
	SEC_GRP1CR2, 0x00020000U},
	/** Security group 0 attribute setting for master ports 3 	*/
	/** Security group 1 attribute setting for master ports 3 	*/
	    /*      {SEC_GRP0CR3,           0x00000000U},                   */
	    /*      {SEC_GRP1CR3,           0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 0 	*/
	/** Security group 1 attribute setting for slave ports 0 	*/
	    /*      {SEC_GRP0COND0,         0x00000000U},                   */
	    /*      {SEC_GRP1COND0,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 1 	*/
	/** Security group 1 attribute setting for slave ports 1 	*/
	    /*      {SEC_GRP0COND1,         0x00000000U},                   */
	    /*      {SEC_GRP1COND1,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 2 	*/
	/** Security group 1 attribute setting for slave ports 2 	*/
	    /*      {SEC_GRP0COND2,         0x00000000U},                   */
	    /*      {SEC_GRP1COND2,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 3	*/
	/** Security group 1 attribute setting for slave ports 3	*/
	    /* Bit19: AXI-Bus (Main Memory domain AXI) slave ports.         */
	    /*        SecurityGroup3                                        */
	    /* Bit 9: DBSC4 register access slave ports.                    */
	    /*        SecurityGroup3                                        */
#if (LIFEC_DBSC_PROTECT_ENABLE == 1)
	{
	SEC_GRP0COND3, 0x00080200U}, {
	SEC_GRP1COND3, 0x00080200U},
#else
	{
	SEC_GRP0COND3, 0x00000000U}, {
	SEC_GRP1COND3, 0x00000000U},
#endif
	/** Security group 0 attribute setting for slave ports 4	*/
	/** Security group 1 attribute setting for slave ports 4	*/
	    /*      {SEC_GRP0COND4,         0x00000000U},                   */
	    /*      {SEC_GRP1COND4,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 5	*/
	/** Security group 1 attribute setting for slave ports 5	*/
	    /* Bit 6: Boot ROM slave ports                                  */
	    /*        SecurityGroup3                                        */
	{
	SEC_GRP0COND5, 0x00000040U}, {
	SEC_GRP1COND5, 0x00000040U},
	/** Security group 0 attribute setting for slave ports 6	*/
	/** Security group 1 attribute setting for slave ports 6	*/
	    /* Bit13: SCEG PKA (secure APB) slave ports                     */
	    /*        SecurityGroup3                                        */
	    /*        Reserved[R-Car E3]                                    */
	    /* Bit12: SCEG PKA (public APB) slave ports                     */
	    /*        SecurityGroup3                                        */
	    /*        Reserved[R-Car E3]                                    */
	    /* Bit10: SCEG Secure Core slave ports                          */
	    /*        SecurityGroup3                                        */
#if RCAR_LSI == RCAR_E3
	{
	SEC_GRP0COND6, 0x00000400U}, {
	SEC_GRP1COND6, 0x00000400U},
#else
	{
	SEC_GRP0COND6, 0x00003400U}, {
	SEC_GRP1COND6, 0x00003400U},
#endif
	/** Security group 0 attribute setting for slave ports 7	*/
	/** Security group 1 attribute setting for slave ports 7	*/
	    /*      {SEC_GRP0COND7,         0x00000000U},                   */
	    /*      {SEC_GRP1COND7,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 8	*/
	/** Security group 1 attribute setting for slave ports 8	*/
	    /*      {SEC_GRP0COND8,         0x00000000U},                   */
	    /*      {SEC_GRP1COND8,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 9	*/
	/** Security group 1 attribute setting for slave ports 9	*/
	    /*      {SEC_GRP0COND9,         0x00000000U},                   */
	    /*      {SEC_GRP1COND9,         0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 10	*/
	/** Security group 1 attribute setting for slave ports 10	*/
	    /*      {SEC_GRP0COND10,        0x00000000U},                   */
	    /*      {SEC_GRP1COND10,        0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 11	*/
	/** Security group 1 attribute setting for slave ports 11	*/
	    /*      {SEC_GRP0COND11,        0x00000000U},                   */
	    /*      {SEC_GRP1COND11,        0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 12	*/
	/** Security group 1 attribute setting for slave ports 12	*/
	    /*      {SEC_GRP0COND12,        0x00000000U},                   */
	    /*      {SEC_GRP1COND12,        0x00000000U},                   */
	/** Security group 0 attribute setting for slave ports 13	*/
	/** Security group 1 attribute setting for slave ports 13	*/
	    /* Bit22: RPC slave ports.                                      */
	    /*        SecurityGroup3                                        */
#if (RCAR_RPC_HYPERFLASH_LOCKED == 1)
	    {SEC_GRP0COND13,     0x00400000U},
	    {SEC_GRP1COND13,     0x00400000U},
#endif
	/** Security group 0 attribute setting for slave ports 14	*/
	/** Security group 1 attribute setting for slave ports 14	*/
	    /* Bit26: System Timer (SCMT) slave ports                       */
	    /*        SecurityGroup3                                        */
	    /* Bit27: System Watchdog Timer (SWDT) slave ports              */
	    /*        SecurityGroup3                                        */
	{
	SEC_GRP0COND14, 0x0C000000U}, {
	SEC_GRP1COND14, 0x0C000000U},
	/** Security group 0 attribute setting for slave ports 15	*/
	/** Security group 1 attribute setting for slave ports 15 	*/
	    /* Bit13: RST slave ports                                       */
	    /*        SecurityGroup3                                        */
	    /* Bit 7: Life Cycle 0 slave ports                              */
	    /*        SecurityGroup3                                        */
	    /* Bit 6: TDBG slave ports                                      */
	    /*        SecurityGroup3                                        */
	{
	SEC_GRP0COND15, 0x000000C0U}, {
	SEC_GRP1COND15, 0x000000C0U},
	/** Security write protection attribute setting slave ports 0	*/
	    /*      {SEC_READONLY0,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 1	*/
	    /*      {SEC_READONLY1,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 2	*/
	    /*      {SEC_READONLY2,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 3	*/
	    /*      {SEC_READONLY3,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 4	*/
	    /*      {SEC_READONLY4,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 5	*/
	    /*      {SEC_READONLY5,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 6	*/
	    /*      {SEC_READONLY6,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 7	*/
	    /*      {SEC_READONLY7,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 8	*/
	    /*      {SEC_READONLY8,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 9	*/
	    /*      {SEC_READONLY9,         0x00000000U},                   */
	/** Security write protection attribute setting slave ports 10	*/
	    /*      {SEC_READONLY10,        0x00000000U},                   */
	/** Security write protection attribute setting slave ports 11	*/
	    /*      {SEC_READONLY11,        0x00000000U},                   */
	/** Security write protection attribute setting slave ports 12	*/
	    /*      {SEC_READONLY12,        0x00000000U},                   */
	/** Security write protection attribute setting slave ports 13	*/
	    /*      {SEC_READONLY13,        0x00000000U},                   */
	/** Security write protection attribute setting slave ports 14	*/
	    /*      {SEC_READONLY14,        0x00000000U},                   */
	/** Security write protection attribute setting slave ports 15	*/
	    /*      {SEC_READONLY15,        0x00000000U}                    */
};

/* AXI settings */
static const struct {
	uint32_t reg;
	uint32_t val;
} axi[] = {
	/* DRAM protection                      */
	/* AXI dram protected area division     */
	{
	AXI_DPTDIVCR0,  0x0E0403F0U}, {
	AXI_DPTDIVCR1,  0x0E0407E0U}, {
	AXI_DPTDIVCR2,  0x0E080000U}, {
	AXI_DPTDIVCR3,  0x0E080000U}, {
	AXI_DPTDIVCR4,  0x0E080000U}, {
	AXI_DPTDIVCR5,  0x0E080000U}, {
	AXI_DPTDIVCR6,  0x0E080000U}, {
	AXI_DPTDIVCR7,  0x0E080000U}, {
	AXI_DPTDIVCR8,  0x0E080000U}, {
	AXI_DPTDIVCR9,  0x0E080000U}, {
	AXI_DPTDIVCR10, 0x0E080000U}, {
	AXI_DPTDIVCR11, 0x0E080000U}, {
	AXI_DPTDIVCR12, 0x0E080000U}, {
	AXI_DPTDIVCR13, 0x0E080000U}, {
	AXI_DPTDIVCR14, 0x0E080000U},
	    /* AXI dram protected area setting      */
	{
	AXI_DPTCR0,  0x0E000000U}, {
	AXI_DPTCR1,  0x0E000E0EU}, {
	AXI_DPTCR2,  0x0E000000U}, {
	AXI_DPTCR3,  0x0E000000U}, {
	AXI_DPTCR4,  0x0E000000U}, {
	AXI_DPTCR5,  0x0E000000U}, {
	AXI_DPTCR6,  0x0E000000U}, {
	AXI_DPTCR7,  0x0E000000U}, {
	AXI_DPTCR8,  0x0E000000U}, {
	AXI_DPTCR9,  0x0E000000U}, {
	AXI_DPTCR10, 0x0E000000U}, {
	AXI_DPTCR11, 0x0E000000U}, {
	AXI_DPTCR12, 0x0E000000U}, {
	AXI_DPTCR13, 0x0E000000U}, {
	AXI_DPTCR14, 0x0E000000U}, {
	AXI_DPTCR15, 0x0E000000U},
	    /* SRAM ptotection                      */
	    /* AXI sram protected area division     */
	{
	AXI_SPTDIVCR0,  0x0E0E6304U}, {
	AXI_SPTDIVCR1,  0x0E0E6360U}, {
	AXI_SPTDIVCR2,  0x0E0E6360U}, {
	AXI_SPTDIVCR3,  0x0E0E6360U}, {
	AXI_SPTDIVCR4,  0x0E0E6360U}, {
	AXI_SPTDIVCR5,  0x0E0E6360U}, {
	AXI_SPTDIVCR6,  0x0E0E6360U}, {
	AXI_SPTDIVCR7,  0x0E0E6360U}, {
	AXI_SPTDIVCR8,  0x0E0E6360U}, {
	AXI_SPTDIVCR9,  0x0E0E6360U}, {
	AXI_SPTDIVCR10, 0x0E0E6360U}, {
	AXI_SPTDIVCR11, 0x0E0E6360U}, {
	AXI_SPTDIVCR12, 0x0E0E6360U}, {
	AXI_SPTDIVCR13, 0x0E0E6360U}, {
	AXI_SPTDIVCR14, 0x0E0E6360U},
	    /* AXI sram protected area setting      */
	{
	AXI_SPTCR0,  0x0E000E0EU}, {
	AXI_SPTCR1,  0x0E000000U}, {
	AXI_SPTCR2,  0x0E000000U}, {
	AXI_SPTCR3,  0x0E000000U}, {
	AXI_SPTCR4,  0x0E000000U}, {
	AXI_SPTCR5,  0x0E000000U}, {
	AXI_SPTCR6,  0x0E000000U}, {
	AXI_SPTCR7,  0x0E000000U}, {
	AXI_SPTCR8,  0x0E000000U}, {
	AXI_SPTCR9,  0x0E000000U}, {
	AXI_SPTCR10, 0x0E000000U}, {
	AXI_SPTCR11, 0x0E000000U}, {
	AXI_SPTCR12, 0x0E000000U}, {
	AXI_SPTCR13, 0x0E000000U}, {
	AXI_SPTCR14, 0x0E000000U}, {
	AXI_SPTCR15, 0x0E000000U}
};

static void lifec_security_setting(void)
{
	uint32_t i;

	for (i = 0; i < ARRAY_SIZE(lifec); i++)
		mmio_write_32(lifec[i].reg, lifec[i].val);
}

/* SRAM/DRAM protection setting */
static void axi_security_setting(void)
{
	uint32_t i;

	for (i = 0; i < ARRAY_SIZE(axi); i++)
		mmio_write_32(axi[i].reg, axi[i].val);
}

void bl2_secure_setting(void)
{
	const uint32_t delay = 10;

	lifec_security_setting();
	axi_security_setting();
	rcar_micro_delay(delay);

	return;
}