drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c

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

#include <stdint.h>
#include <debug.h>
#include "../qos_common.h"
#include "../qos_reg.h"
#include "qos_init_e3_v10.h"

#define	RCAR_QOS_VERSION		"rev.0.02"

#define QOSCTRL_EARLYR			(QOS_BASE1 + 0x0060U)
#define QOSCTRL_FSS			(QOS_BASE1 + 0x0048U)

#define REF_ARS_ARBSTOPCYCLE_E3	(((SL_INIT_SSLOTCLK_E3) - 5U) << 16U)

#if RCAR_QOS_TYPE  == RCAR_QOS_TYPE_DEFAULT

#if RCAR_REF_INT == RCAR_REF_DEFAULT
#include "qos_init_e3_v10_mstat390.h"
#else
#include "qos_init_e3_v10_mstat780.h"
#endif

#endif

static void dbsc_setting(void)
{
	/* Register write enable */
	io_write_32(DBSC_DBSYSCNT0, 0x00001234U);

	/* BUFCAM settings */
	io_write_32(DBSC_DBCAM0CNF1, 0x00043218);
	io_write_32(DBSC_DBCAM0CNF2, 0x000000F4);
	io_write_32(DBSC_DBSCHCNT0, 0x000F0037);
	io_write_32(DBSC_DBSCHSZ0, 0x00000001);
	io_write_32(DBSC_DBSCHRW0, 0x22421111);

	/* DDR3 */
	io_write_32(DBSC_SCFCTST2, 0x012F1123);

	/* QoS Settings */
	io_write_32(DBSC_DBSCHQOS00, 0x00000F00);
	io_write_32(DBSC_DBSCHQOS01, 0x00000B00);
	io_write_32(DBSC_DBSCHQOS02, 0x00000000);
	io_write_32(DBSC_DBSCHQOS03, 0x00000000);
	io_write_32(DBSC_DBSCHQOS40, 0x00000300);
	io_write_32(DBSC_DBSCHQOS41, 0x000002F0);
	io_write_32(DBSC_DBSCHQOS42, 0x00000200);
	io_write_32(DBSC_DBSCHQOS43, 0x00000100);
	io_write_32(DBSC_DBSCHQOS90, 0x00000100);
	io_write_32(DBSC_DBSCHQOS91, 0x000000F0);
	io_write_32(DBSC_DBSCHQOS92, 0x000000A0);
	io_write_32(DBSC_DBSCHQOS93, 0x00000040);
	io_write_32(DBSC_DBSCHQOS130, 0x00000100);
	io_write_32(DBSC_DBSCHQOS131, 0x000000F0);
	io_write_32(DBSC_DBSCHQOS132, 0x000000A0);
	io_write_32(DBSC_DBSCHQOS133, 0x00000040);
	io_write_32(DBSC_DBSCHQOS140, 0x000000C0);
	io_write_32(DBSC_DBSCHQOS141, 0x000000B0);
	io_write_32(DBSC_DBSCHQOS142, 0x00000080);
	io_write_32(DBSC_DBSCHQOS143, 0x00000040);
	io_write_32(DBSC_DBSCHQOS150, 0x00000040);
	io_write_32(DBSC_DBSCHQOS151, 0x00000030);
	io_write_32(DBSC_DBSCHQOS152, 0x00000020);
	io_write_32(DBSC_DBSCHQOS153, 0x00000010);

	/* Register write protect */
	io_write_32(DBSC_DBSYSCNT0, 0x00000000U);
}

void qos_init_e3_v10(void)
{
	dbsc_setting();

	/* DRAM Split Address mapping */
#if RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH
#if RCAR_LSI == RCAR_E3
#error "Don't set DRAM Split 4ch(E3)"
#else
	ERROR("DRAM Split 4ch not supported.(E3)");
	panic();
#endif
#elif (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_2CH)
#if RCAR_LSI == RCAR_E3
#error "Don't set DRAM Split 2ch(E3)"
#else
	ERROR("DRAM Split 2ch not supported.(E3)");
	panic();
#endif
#else
	NOTICE("BL2: DRAM Split is OFF\n");
#endif

#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 3.9 usec\n");
#else
	NOTICE("BL2: DRAM refresh interval 7.8 usec\n");
#endif

	io_write_32(QOSCTRL_RAS, 0x00000020U);
	io_write_64(QOSCTRL_DANN, 0x0404020002020201UL);
	io_write_32(QOSCTRL_DANT, 0x00100804U);
	io_write_32(QOSCTRL_FSS, 0x0000000AU);
	io_write_32(QOSCTRL_INSFC, 0x06330001U);
	io_write_32(QOSCTRL_EARLYR, 0x00000000U);
	io_write_32(QOSCTRL_RACNT0, 0x00010003U);

	io_write_32(QOSCTRL_SL_INIT,
		    SL_INIT_REFFSSLOT | SL_INIT_SLOTSSLOT |
		    SL_INIT_SSLOTCLK_E3);
	io_write_32(QOSCTRL_REF_ARS, REF_ARS_ARBSTOPCYCLE_E3);

	{
		uint32_t i;

		for (i = 0U; i < ARRAY_SIZE(mstat_fix); i++) {
			io_write_64(QOSBW_FIX_QOS_BANK0 + i * 8, mstat_fix[i]);
			io_write_64(QOSBW_FIX_QOS_BANK1 + i * 8, mstat_fix[i]);
		}
		for (i = 0U; i < ARRAY_SIZE(mstat_be); i++) {
			io_write_64(QOSBW_BE_QOS_BANK0 + i * 8, mstat_be[i]);
			io_write_64(QOSBW_BE_QOS_BANK1 + i * 8, mstat_be[i]);
		}
	}

	/* 3DG bus Leaf setting */
	io_write_32(GPU_ACT_GRD, 0x00001234U);
	io_write_32(GPU_ACT0, 0x00000000U);
	io_write_32(GPU_ACT1, 0x00000000U);
	io_write_32(GPU_ACT2, 0x00000000U);
	io_write_32(GPU_ACT3, 0x00000000U);
	io_write_32(GPU_ACT_GRD, 0x00000000U);

	/* RT bus Leaf setting */
	io_write_32(RT_ACT0, 0x00000000U);
	io_write_32(RT_ACT1, 0x00000000U);

	/* CCI bus Leaf setting */
	io_write_32(CPU_ACT0, 0x00000003U);
	io_write_32(CPU_ACT1, 0x00000003U);

	io_write_32(QOSCTRL_RAEN, 0x00000001U);

	io_write_32(QOSCTRL_STATQC, 0x00000001U);
#else
	NOTICE("BL2: QoS is None\n");

	io_write_32(QOSCTRL_RAEN, 0x00000001U);
#endif
}