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arm-trusted-firmware / plat / intel / soc / agilex / soc / agilex_reset_manager.c
@Hadi Asyrafi Hadi Asyrafi on 17 Jul 2019 2 KB intel: Adds support for Agilex platform
/*
 * Copyright (c) 2019, Intel Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <lib/mmio.h>

#include "agilex_reset_manager.h"

void deassert_peripheral_reset(void)
{
	mmio_clrbits_32(AGX_RSTMGR_PER1MODRST,
			AGX_RSTMGR_PER1MODRST_WATCHDOG0 |
			AGX_RSTMGR_PER1MODRST_WATCHDOG1 |
			AGX_RSTMGR_PER1MODRST_WATCHDOG2 |
			AGX_RSTMGR_PER1MODRST_WATCHDOG3 |
			AGX_RSTMGR_PER1MODRST_L4SYSTIMER0 |
			AGX_RSTMGR_PER1MODRST_L4SYSTIMER1 |
			AGX_RSTMGR_PER1MODRST_SPTIMER0 |
			AGX_RSTMGR_PER1MODRST_SPTIMER1 |
			AGX_RSTMGR_PER1MODRST_I2C0 |
			AGX_RSTMGR_PER1MODRST_I2C1 |
			AGX_RSTMGR_PER1MODRST_I2C2 |
			AGX_RSTMGR_PER1MODRST_I2C3 |
			AGX_RSTMGR_PER1MODRST_I2C4 |
			AGX_RSTMGR_PER1MODRST_UART0 |
			AGX_RSTMGR_PER1MODRST_UART1 |
			AGX_RSTMGR_PER1MODRST_GPIO0 |
			AGX_RSTMGR_PER1MODRST_GPIO1);

	mmio_clrbits_32(AGX_RSTMGR_PER0MODRST,
			AGX_RSTMGR_PER0MODRST_EMAC0OCP |
			AGX_RSTMGR_PER0MODRST_EMAC1OCP |
			AGX_RSTMGR_PER0MODRST_EMAC2OCP |
			AGX_RSTMGR_PER0MODRST_USB0OCP |
			AGX_RSTMGR_PER0MODRST_USB1OCP |
			AGX_RSTMGR_PER0MODRST_NANDOCP |
			AGX_RSTMGR_PER0MODRST_SDMMCOCP |
			AGX_RSTMGR_PER0MODRST_DMAOCP);

	mmio_clrbits_32(AGX_RSTMGR_PER0MODRST,
			AGX_RSTMGR_PER0MODRST_EMAC0 |
			AGX_RSTMGR_PER0MODRST_EMAC1 |
			AGX_RSTMGR_PER0MODRST_EMAC2 |
			AGX_RSTMGR_PER0MODRST_USB0 |
			AGX_RSTMGR_PER0MODRST_USB1 |
			AGX_RSTMGR_PER0MODRST_NAND |
			AGX_RSTMGR_PER0MODRST_SDMMC |
			AGX_RSTMGR_PER0MODRST_DMA |
			AGX_RSTMGR_PER0MODRST_SPIM0 |
			AGX_RSTMGR_PER0MODRST_SPIM1 |
			AGX_RSTMGR_PER0MODRST_SPIS0 |
			AGX_RSTMGR_PER0MODRST_SPIS1 |
			AGX_RSTMGR_PER0MODRST_EMACPTP |
			AGX_RSTMGR_PER0MODRST_DMAIF0 |
			AGX_RSTMGR_PER0MODRST_DMAIF1 |
			AGX_RSTMGR_PER0MODRST_DMAIF2 |
			AGX_RSTMGR_PER0MODRST_DMAIF3 |
			AGX_RSTMGR_PER0MODRST_DMAIF4 |
			AGX_RSTMGR_PER0MODRST_DMAIF5 |
			AGX_RSTMGR_PER0MODRST_DMAIF6 |
			AGX_RSTMGR_PER0MODRST_DMAIF7);

	mmio_clrbits_32(AGX_RSTMGR_BRGMODRST,
			AGX_RSTMGR_BRGMODRST_MPFE);
}

void config_hps_hs_before_warm_reset(void)
{
	uint32_t or_mask = 0;

	or_mask |= AGX_RSTMGR_HDSKEN_SDRSELFREFEN;
	or_mask |= AGX_RSTMGR_HDSKEN_FPGAHSEN;
	or_mask |= AGX_RSTMGR_HDSKEN_ETRSTALLEN;
	or_mask |= AGX_RSTMGR_HDSKEN_L2FLUSHEN;
	or_mask |= AGX_RSTMGR_HDSKEN_L3NOC_DBG;
	or_mask |= AGX_RSTMGR_HDSKEN_DEBUG_L3NOC;

	mmio_setbits_32(AGX_RSTMGR_HDSKEN, or_mask);
}