plat/intel/soc/common/soc/socfpga_firewall.c

/*
 * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <lib/mmio.h>
#include <lib/utils_def.h>

#include "socfpga_noc.h"
#include "socfpga_plat_def.h"
#include "socfpga_system_manager.h"

void enable_nonsecure_access(void)
{
	enable_ns_peripheral_access();
	enable_ns_bridge_access();
}

void enable_ns_peripheral_access(void)
{
	mmio_write_32(SOCFPGA_L4_PER_SCR(NAND_REGISTER), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(NAND_DATA), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(NAND_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(NAND_READ_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(NAND_WRITE_ECC),
		DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(USB0_REGISTER), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(USB1_REGISTER), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(USB0_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(USB1_ECC), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(SPI_MASTER0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(SPI_MASTER1), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(SPI_SLAVE0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(SPI_SLAVE1), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(EMAC0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(EMAC1), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(EMAC2), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC0RX_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC0TX_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC1RX_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC1TX_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC2RX_ECC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(EMAC2TX_ECC), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(SDMMC), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(SDMMC_ECC), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(GPIO0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(GPIO1), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(I2C0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(I2C1), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(I2C2), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(I2C3), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(I2C4), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(SP_TIMER1), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_PER_SCR(UART0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_PER_SCR(UART1), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(DMA_ECC), DISABLE_L4_FIREWALL);


	mmio_write_32(SOCFPGA_L4_SYS_SCR(OCRAM_ECC), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(CLK_MGR), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(IO_MGR), DISABLE_L4_FIREWALL);


	mmio_write_32(SOCFPGA_L4_SYS_SCR(RST_MGR), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(SYS_MGR), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(OSC0_TIMER), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(OSC1_TIMER), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(WATCHDOG0), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(WATCHDOG1), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(WATCHDOG2), DISABLE_L4_FIREWALL);
	mmio_write_32(SOCFPGA_L4_SYS_SCR(WATCHDOG3), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(DAP), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(L4_NOC_PROBES), DISABLE_L4_FIREWALL);

	mmio_write_32(SOCFPGA_L4_SYS_SCR(L4_NOC_QOS), DISABLE_L4_FIREWALL);

#if PLATFORM_MODEL == PLAT_SOCFPGA_STRATIX10
	enable_ns_ocram_access();
	mmio_write_32(SOCFPGA_SYSMGR(SDMMC), SYSMGR_SDMMC_DRVSEL(3));
#endif

}

void enable_ns_ocram_access(void)
{
	mmio_clrbits_32(SOCFPGA_CCU_NOC(CPU0, RAM0),
		SOCFPGA_CCU_NOC_ADMASK_P_MASK | SOCFPGA_CCU_NOC_ADMASK_NS_MASK);
	mmio_clrbits_32(SOCFPGA_CCU_NOC(IOM, RAM0),
		SOCFPGA_CCU_NOC_ADMASK_P_MASK | SOCFPGA_CCU_NOC_ADMASK_NS_MASK);
}

void enable_ns_bridge_access(void)
{
	mmio_write_32(SOCFPGA_SOC2FPGA_SCR_REG_BASE, DISABLE_BRIDGE_FIREWALL);
	mmio_write_32(SOCFPGA_LWSOC2FPGA_SCR_REG_BASE, DISABLE_BRIDGE_FIREWALL);
}

void enable_ocram_firewall(void)
{
	mmio_setbits_32(SOCFPGA_CCU_NOC(CPU0, RAM0),
		SOCFPGA_CCU_NOC_ADMASK_P_MASK | SOCFPGA_CCU_NOC_ADMASK_NS_MASK);
	mmio_setbits_32(SOCFPGA_CCU_NOC(IOM, RAM0),
		SOCFPGA_CCU_NOC_ADMASK_P_MASK | SOCFPGA_CCU_NOC_ADMASK_NS_MASK);
}