drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v10.c

/*
 * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stdint.h>

#include <common/debug.h>

#include "../qos_common.h"
#include "../qos_reg.h"
#include "qos_init_m3_v10.h"

#define	RCAR_QOS_VERSION		"rev.0.19"

#include "qos_init_m3_v10_mstat.h"

static void dbsc_setting(void)
{
	uint32_t md = 0;

	/* BUFCAM settings */
	/* DBSC_DBCAM0CNF0 not set */
	io_write_32(DBSC_DBCAM0CNF1, 0x00043218);
	io_write_32(DBSC_DBCAM0CNF2, 0x000000F4);
	io_write_32(DBSC_DBCAM0CNF3, 0x00000000);
	io_write_32(DBSC_DBSCHCNT0, 0x080F0037);
	/* DBSC_DBSCHCNT1 not set */
	io_write_32(DBSC_DBSCHSZ0, 0x00000001);
	io_write_32(DBSC_DBSCHRW0, 0x22421111);

	md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17;

	switch (md) {
	case 0x0:
		/* DDR3200 */
		io_write_32(DBSC_SCFCTST2, 0x012F1123);
		break;
	case 0x1:		/* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */
		/* DDR2800 */
		io_write_32(DBSC_SCFCTST2, 0x012F1123);
		break;
	case 0x4:		/* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */
		/* DDR2400 */
		io_write_32(DBSC_SCFCTST2, 0x012F1123);
		break;
	default:		/* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */
		/* DDR1600 */
		io_write_32(DBSC_SCFCTST2, 0x012F1123);
		break;
	}

	/* 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, 0x00000300);
	io_write_32(DBSC_DBSCHQOS91, 0x000002F0);
	io_write_32(DBSC_DBSCHQOS92, 0x00000200);
	io_write_32(DBSC_DBSCHQOS93, 0x00000100);
	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);
}

void qos_init_m3_v10(void)
{
	dbsc_setting();

	/* DRAM Split Address mapping */
#if RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH
#if RCAR_LSI == RCAR_M3
#error "Don't set DRAM Split 4ch(M3)"
#else
	ERROR("DRAM Split 4ch not supported.(M3)");
	panic();
#endif
#elif (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_2CH) || \
      (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_AUTO)
	NOTICE("BL2: DRAM Split is 2ch\n");
	io_write_32(AXI_ADSPLCR0, 0x00000000U);
	io_write_32(AXI_ADSPLCR1, ADSPLCR0_ADRMODE_DEFAULT
		    | ADSPLCR0_SPLITSEL(0xFFU)
		    | ADSPLCR0_AREA(0x1CU)
		    | ADSPLCR0_SWP);
	io_write_32(AXI_ADSPLCR2, 0x089A0000U);
	io_write_32(AXI_ADSPLCR3, 0x00000000U);
#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

	/* Resource Alloc setting */
	io_write_32(QOSCTRL_RAS, 0x00000028U);
	io_write_32(QOSCTRL_FIXTH, 0x000F0005U);
	io_write_32(QOSCTRL_REGGD, 0x00000000U);
	io_write_64(QOSCTRL_DANN, 0x0101010102020201UL);
	io_write_32(QOSCTRL_DANT, 0x00100804U);
	io_write_32(QOSCTRL_EC, 0x00000000U);
	io_write_64(QOSCTRL_EMS, 0x0000000000000000UL);
	io_write_32(QOSCTRL_FSS, 0x000003e8U);
	io_write_32(QOSCTRL_INSFC, 0xC7840001U);
	io_write_32(QOSCTRL_BERR, 0x00000000U);
	io_write_32(QOSCTRL_RACNT0, 0x00000000U);

	/* QOSBW setting */
	io_write_32(QOSCTRL_SL_INIT,
		    SL_INIT_REFFSSLOT | SL_INIT_SLOTSSLOT | SL_INIT_SSLOTCLK);
	io_write_32(QOSCTRL_REF_ARS, 0x00330000U);

	/* QOSBW SRAM setting */
	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(0xFD820808U, 0x00001234U);
	io_write_32(0xFD820800U, 0x00000006U);
	io_write_32(0xFD821800U, 0x00000006U);
	io_write_32(0xFD822800U, 0x00000006U);
	io_write_32(0xFD823800U, 0x00000006U);
	io_write_32(0xFD824800U, 0x00000006U);
	io_write_32(0xFD825800U, 0x00000006U);
	io_write_32(0xFD826800U, 0x00000006U);
	io_write_32(0xFD827800U, 0x00000006U);

	/* RT bus Leaf setting */
	io_write_32(0xFFC50800U, 0x00000000U);
	io_write_32(0xFFC51800U, 0x00000000U);

	/* Resource Alloc start */
	io_write_32(QOSCTRL_RAEN, 0x00000001U);

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

	/* Resource Alloc setting */
	io_write_32(QOSCTRL_EC, 0x00000000U);
	/* Resource Alloc start */
	io_write_32(QOSCTRL_RAEN, 0x00000001U);
#endif /* !(RCAR_QOS_TYPE == RCAR_QOS_NONE) */
}