/*
 * Copyright (c) 2021, Renesas Electronics Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stdint.h>

#include <common/debug.h>
#include <lib/mmio.h>

#include "../qos_common.h"
#include "qos_init_g2m_v30.h"
#if RCAR_QOS_TYPE  == RCAR_QOS_TYPE_DEFAULT
#if RCAR_REF_INT == RCAR_REF_DEFAULT
#include "qos_init_g2m_v30_mstat195.h"
#else /* RCAR_REF_INT == RCAR_REF_DEFAULT */
#include "qos_init_g2m_v30_mstat390.h"
#endif /* RCAR_REF_INT == RCAR_REF_DEFAULT */
#if RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE
#if RCAR_REF_INT == RCAR_REF_DEFAULT
#include "qos_init_g2m_v30_qoswt195.h"
#else /* RCAR_REF_INT == RCAR_REF_DEFAULT */
#include "qos_init_g2m_v30_qoswt390.h"
#endif /* RCAR_REF_INT == RCAR_REF_DEFAULT */
#endif /* RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE */
#endif /* RCAR_QOS_TYPE  == RCAR_QOS_TYPE_DEFAULT */
#include "qos_reg.h"

#define RCAR_QOS_VERSION			"rev.0.04"

#define QOSWT_TIME_BANK0			20000000U	/* unit:ns */

#define QOSWT_WTEN_ENABLE			0x1U

#define QOSCTRL_REF_ARS_ARBSTOPCYCLE_G2M_30	(SL_INIT_SSLOTCLK_G2M_30 - 0x5U)

#define OSWT_WTREF_SLOT0_EN_REQ1_SLOT		3U
#define OSWT_WTREF_SLOT0_EN_REQ2_SLOT		9U
#define QOSWT_WTREF_SLOT0_EN				\
	((0x1U << OSWT_WTREF_SLOT0_EN_REQ1_SLOT) |	\
	(0x1U << OSWT_WTREF_SLOT0_EN_REQ2_SLOT))
#define QOSWT_WTREF_SLOT1_EN				\
	((0x1U << OSWT_WTREF_SLOT0_EN_REQ1_SLOT) |	\
	(0x1U << OSWT_WTREF_SLOT0_EN_REQ2_SLOT))

#define QOSWT_WTSET0_REQ_SSLOT0			5U
#define WT_BASE_SUB_SLOT_NUM0			12U
#define QOSWT_WTSET0_PERIOD0_G2M_30			\
	((QOSWT_TIME_BANK0 / QOSWT_WTSET0_CYCLE_G2M_30) - 1U)
#define QOSWT_WTSET0_SSLOT0			(QOSWT_WTSET0_REQ_SSLOT0 - 1U)
#define QOSWT_WTSET0_SLOTSLOT0			(WT_BASE_SUB_SLOT_NUM0 - 1U)

#define QOSWT_WTSET1_PERIOD1_G2M_30			\
	((QOSWT_TIME_BANK0 / QOSWT_WTSET0_CYCLE_G2M_30) - 1U)
#define QOSWT_WTSET1_SSLOT1			(QOSWT_WTSET0_REQ_SSLOT0 - 1U)
#define QOSWT_WTSET1_SLOTSLOT1			(WT_BASE_SUB_SLOT_NUM0 - 1U)

static const struct rcar_gen3_dbsc_qos_settings g2m_v30_qos[] = {
	/* BUFCAM settings */
	{ DBSC_DBCAM0CNF1, 0x00043218U },
	{ DBSC_DBCAM0CNF2, 0x000000F4U },
	{ DBSC_DBCAM0CNF3, 0x00000000U },
	{ DBSC_DBSCHCNT0, 0x000F0037U },
	{ DBSC_DBSCHSZ0, 0x00000001U },
	{ DBSC_DBSCHRW0, 0x22421111U },

	/* DDR3 */
	{ DBSC_SCFCTST2, 0x012F1123U },

	/* QoS settings */
	{ DBSC_DBSCHQOS00, 0x00000F00U },
	{ DBSC_DBSCHQOS01, 0x00000B00U },
	{ DBSC_DBSCHQOS02, 0x00000000U },
	{ DBSC_DBSCHQOS03, 0x00000000U },
	{ DBSC_DBSCHQOS40, 0x00000300U },
	{ DBSC_DBSCHQOS41, 0x000002F0U },
	{ DBSC_DBSCHQOS42, 0x00000200U },
	{ DBSC_DBSCHQOS43, 0x00000100U },
	{ DBSC_DBSCHQOS90, 0x00000100U },
	{ DBSC_DBSCHQOS91, 0x000000F0U },
	{ DBSC_DBSCHQOS92, 0x000000A0U },
	{ DBSC_DBSCHQOS93, 0x00000040U },
	{ DBSC_DBSCHQOS120, 0x00000040U },
	{ DBSC_DBSCHQOS121, 0x00000030U },
	{ DBSC_DBSCHQOS122, 0x00000020U },
	{ DBSC_DBSCHQOS123, 0x00000010U },
	{ DBSC_DBSCHQOS130, 0x00000100U },
	{ DBSC_DBSCHQOS131, 0x000000F0U },
	{ DBSC_DBSCHQOS132, 0x000000A0U },
	{ DBSC_DBSCHQOS133, 0x00000040U },
	{ DBSC_DBSCHQOS140, 0x000000C0U },
	{ DBSC_DBSCHQOS141, 0x000000B0U },
	{ DBSC_DBSCHQOS142, 0x00000080U },
	{ DBSC_DBSCHQOS143, 0x00000040U },
	{ DBSC_DBSCHQOS150, 0x00000040U },
	{ DBSC_DBSCHQOS151, 0x00000030U },
	{ DBSC_DBSCHQOS152, 0x00000020U },
	{ DBSC_DBSCHQOS153, 0x00000010U },
};

void qos_init_g2m_v30(void)
{
	uint32_t i;

	rzg_qos_dbsc_setting(g2m_v30_qos, ARRAY_SIZE(g2m_v30_qos), true);

	/* DRAM Split Address mapping */
#if RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH
#if RCAR_LSI == RZ_G2M
  #error "Don't set DRAM Split 4ch(G2M)"
#else /* RCAR_LSI == RZ_G2M */
	ERROR("DRAM Split 4ch not supported.(G2M)");
	panic();
#endif /* RCAR_LSI == RZ_G2M */
#elif (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_2CH) || \
	(RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_AUTO)
	NOTICE("BL2: DRAM Split is 2ch\n");
	mmio_write_32(AXI_ADSPLCR0, 0x00000000U);
	mmio_write_32(AXI_ADSPLCR1, ADSPLCR0_ADRMODE_DEFAULT |
		      ADSPLCR0_SPLITSEL(0xFFU) | ADSPLCR0_AREA(0x1DU) |
		      ADSPLCR0_SWP);
	mmio_write_32(AXI_ADSPLCR2, 0x00001004U);
	mmio_write_32(AXI_ADSPLCR3, 0x00000000U);
#else /* RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH */
	NOTICE("BL2: DRAM Split is OFF\n");
#endif /* RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH */

#if !(RCAR_QOS_TYPE == RCAR_QOS_NONE)
#if RCAR_QOS_TYPE  == RCAR_QOS_TYPE_DEFAULT
	NOTICE("BL2: QoS is default setting(%s)\n", RCAR_QOS_VERSION);
#endif

#if RCAR_REF_INT == RCAR_REF_DEFAULT
	NOTICE("BL2: DRAM refresh interval 1.95 usec\n");
#else /*  RCAR_REF_INT == RCAR_REF_DEFAULT */
	NOTICE("BL2: DRAM refresh interval 3.9 usec\n");
#endif /*  RCAR_REF_INT == RCAR_REF_DEFAULT */

#if RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE
	NOTICE("BL2: Periodic Write DQ Training\n");
#endif /* RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE */

	mmio_write_32(QOSCTRL_RAS, 0x00000044U);
	mmio_write_64(QOSCTRL_DANN, 0x0404020002020201UL);
	mmio_write_32(QOSCTRL_DANT, 0x0020100AU);
	mmio_write_32(QOSCTRL_FSS, 0x0000000AU);
	mmio_write_32(QOSCTRL_INSFC, 0x06330001U);
	mmio_write_32(QOSCTRL_EARLYR, 0x00000001U);
	mmio_write_32(QOSCTRL_RACNT0, 0x02010003U); /* GPU Boost Mode ON */

	/* GPU Boost Mode */
	mmio_write_32(QOSCTRL_STATGEN0, 0x00000001U);

	mmio_write_32(QOSCTRL_SL_INIT,
		      SL_INIT_REFFSSLOT | SL_INIT_SLOTSSLOT |
		      SL_INIT_SSLOTCLK_G2M_30);
	mmio_write_32(QOSCTRL_REF_ARS,
		      QOSCTRL_REF_ARS_ARBSTOPCYCLE_G2M_30 << 16);

	for (i = 0U; i < ARRAY_SIZE(mstat_fix); i++) {
		mmio_write_64(QOSBW_FIX_QOS_BANK0 + i * 8U, mstat_fix[i]);
		mmio_write_64(QOSBW_FIX_QOS_BANK1 + i * 8U, mstat_fix[i]);
	}
	for (i = 0U; i < ARRAY_SIZE(mstat_be); i++) {
		mmio_write_64(QOSBW_BE_QOS_BANK0 + i * 8U, mstat_be[i]);
		mmio_write_64(QOSBW_BE_QOS_BANK1 + i * 8U, mstat_be[i]);
	}
#if RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE
	for (i = 0U; i < ARRAY_SIZE(qoswt_fix); i++) {
		mmio_write_64(QOSWT_FIX_WTQOS_BANK0 + i * 8U, qoswt_fix[i]);
		mmio_write_64(QOSWT_FIX_WTQOS_BANK1 + i * 8U, qoswt_fix[i]);
	}
	for (i = 0U; i < ARRAY_SIZE(qoswt_be); i++) {
		mmio_write_64(QOSWT_BE_WTQOS_BANK0 + i * 8U, qoswt_be[i]);
		mmio_write_64(QOSWT_BE_WTQOS_BANK1 + i * 8U, qoswt_be[i]);
	}
#endif /* RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE */

	/* RT bus Leaf setting */
	mmio_write_32(RT_ACT0, 0x00000000U);
	mmio_write_32(RT_ACT1, 0x00000000U);

	/* CCI bus Leaf setting */
	mmio_write_32(CPU_ACT0, 0x00000003U);
	mmio_write_32(CPU_ACT1, 0x00000003U);
	mmio_write_32(CPU_ACT2, 0x00000003U);
	mmio_write_32(CPU_ACT3, 0x00000003U);

	mmio_write_32(QOSCTRL_RAEN, 0x00000001U);

#if RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE
	/*  re-write training setting */
	mmio_write_32(QOSWT_WTREF,
		      (QOSWT_WTREF_SLOT1_EN << 16) | QOSWT_WTREF_SLOT0_EN);
	mmio_write_32(QOSWT_WTSET0, (QOSWT_WTSET0_PERIOD0_G2M_30 << 16) |
		      (QOSWT_WTSET0_SSLOT0 << 8) | QOSWT_WTSET0_SLOTSLOT0);
	mmio_write_32(QOSWT_WTSET1, (QOSWT_WTSET1_PERIOD1_G2M_30 << 16) |
		      (QOSWT_WTSET1_SSLOT1 << 8) | QOSWT_WTSET1_SLOTSLOT1);

	mmio_write_32(QOSWT_WTEN,   QOSWT_WTEN_ENABLE);
#endif /* RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE */

	mmio_write_32(QOSCTRL_STATQC, 0x00000001U);
#else /* !(RCAR_QOS_TYPE == RCAR_QOS_NONE) */
	NOTICE("BL2: QoS is None\n");

	mmio_write_32(QOSCTRL_RAEN, 0x00000001U);
#endif /* !(RCAR_QOS_TYPE == RCAR_QOS_NONE) */
}