rcar_gen3: drivers: staging

 - ddr
 - pfc [pin function controller]
 - qos [bandwidth]

checkpatch.pl is generating too many errors.
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.c b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.c
new file mode 100644
index 0000000..fd81187
--- /dev/null
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v10.c
@@ -0,0 +1,357 @@
+/*
+ * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+#include <debug.h>
+#include "../qos_common.h"
+#include "qos_init_h3_v10.h"
+
+#define	RCAR_QOS_VERSION		"rev.0.36"
+
+#define	RCAR_QOS_NONE			(3U)
+#define	RCAR_QOS_TYPE_DEFAULT		(0U)
+
+#define	RCAR_DRAM_SPLIT_LINEAR		(0U)
+#define	RCAR_DRAM_SPLIT_4CH		(1U)
+#define	RCAR_DRAM_SPLIT_2CH		(2U)
+#define	RCAR_DRAM_SPLIT_AUTO		(3U)
+
+#define	AXI_BASE			(0xE6784000U)
+#define	AXI_ADSPLCR0			(AXI_BASE + 0x0008U)
+#define	AXI_ADSPLCR1			(AXI_BASE + 0x000CU)
+#define	AXI_ADSPLCR2			(AXI_BASE + 0x0010U)
+#define	AXI_ADSPLCR3			(AXI_BASE + 0x0014U)
+#define	ADSPLCR0_ADRMODE_DEFAULT	((uint32_t)0U << 31U)
+#define	ADSPLCR0_ADRMODE_GEN2		((uint32_t)1U << 31U)
+#define	ADSPLCR0_SPLITSEL(x)		((uint32_t)(x) << 16U)
+#define	ADSPLCR0_AREA(x)		((uint32_t)(x) <<  8U)
+#define	ADSPLCR0_SWP			(0x0CU)
+
+#define	MSTAT_BASE			(0xE67E0000U)
+#define	MSTAT_FIX_QOS_BANK0		(MSTAT_BASE + 0x0000U)
+#define	MSTAT_FIX_QOS_BANK1		(MSTAT_BASE + 0x1000U)
+#define	MSTAT_BE_QOS_BANK0		(MSTAT_BASE + 0x2000U)
+#define	MSTAT_BE_QOS_BANK1		(MSTAT_BASE + 0x3000U)
+#define	MSTAT_SL_INIT			(MSTAT_BASE + 0x8000U)
+#define	MSTAT_REF_ARS			(MSTAT_BASE + 0x8004U)
+#define	MSTAT_STATQC			(MSTAT_BASE + 0x8008U)
+
+#define	RALLOC_BASE			(0xE67F0000U)
+#define	RALLOC_RAS			(RALLOC_BASE + 0x0000U)
+#define	RALLOC_FIXTH			(RALLOC_BASE + 0x0004U)
+#define	RALLOC_RAEN			(RALLOC_BASE + 0x0018U)
+#define	RALLOC_REGGD			(RALLOC_BASE + 0x0020U)
+#define	RALLOC_DANN			(RALLOC_BASE + 0x0030U)
+#define	RALLOC_DANT			(RALLOC_BASE + 0x0038U)
+#define	RALLOC_EC			(RALLOC_BASE + 0x003CU)
+#define	RALLOC_EMS			(RALLOC_BASE + 0x0040U)
+#define	RALLOC_INSFC			(RALLOC_BASE + 0x0050U)
+#define	RALLOC_BERR			(RALLOC_BASE + 0x0054U)
+
+#if RCAR_QOS_TYPE  == RCAR_QOS_TYPE_DEFAULT
+static const mstat_slot_t mstat_fix[] = {
+	{0x0000U, 0x0000000000000000UL},
+	{0x0008U, 0x0000000000000000UL},
+	{0x0010U, 0x0000000000000000UL},
+	{0x0018U, 0x0000000000000000UL},
+	{0x0020U, 0x0000000000000000UL},
+	{0x0028U, 0x0000000000000000UL},
+	{0x0030U, 0x0000000000000000UL},
+	{0x0038U, 0x0000000000000000UL},
+	{0x0040U, 0x00140C050000FFFFUL},
+	{0x0048U, 0x0000000000000000UL},
+	{0x0050U, 0x0000000000000000UL},
+	{0x0058U, 0x001404030000FFFFUL},
+	{0x0060U, 0x001408060000FFFFUL},
+	{0x0068U, 0x0000000000000000UL},
+	{0x0070U, 0x0000000000000000UL},
+	{0x0078U, 0x0000000000000000UL},
+	{0x0080U, 0x0000000000000000UL},
+	{0x0088U, 0x00140C050000FFFFUL},
+	{0x0090U, 0x001408060000FFFFUL},
+	{0x0098U, 0x001404020000FFFFUL},
+	{0x00A0U, 0x0000000000000000UL},
+	{0x00A8U, 0x0000000000000000UL},
+	{0x00B0U, 0x0000000000000000UL},
+	{0x00B8U, 0x0000000000000000UL},
+	{0x00C0U, 0x0000000000000000UL},
+	{0x00C8U, 0x0000000000000000UL},
+	{0x00D0U, 0x0000000000000000UL},
+	{0x00D8U, 0x0000000000000000UL},
+	{0x00E0U, 0x0000000000000000UL},
+	{0x00E8U, 0x0000000000000000UL},
+	{0x00F0U, 0x0000000000000000UL},
+	{0x00F8U, 0x0000000000000000UL},
+	{0x0100U, 0x0000000000000000UL},
+	{0x0108U, 0x0000000000000000UL},
+	{0x0110U, 0x0000000000000000UL},
+	{0x0118U, 0x0000000000000000UL},
+	{0x0120U, 0x0000000000000000UL},
+	{0x0128U, 0x0000000000000000UL},
+	{0x0130U, 0x0000000000000000UL},
+	{0x0138U, 0x001004020000FFFFUL},
+	{0x0140U, 0x001004020000FFFFUL},
+	{0x0148U, 0x001004020000FFFFUL},
+	{0x0150U, 0x001008050000FFFFUL},
+	{0x0158U, 0x001008050000FFFFUL},
+	{0x0160U, 0x001008050000FFFFUL},
+	{0x0168U, 0x001008050000FFFFUL},
+	{0x0170U, 0x001008050000FFFFUL},
+	{0x0178U, 0x001004030000FFFFUL},
+	{0x0180U, 0x001004030000FFFFUL},
+	{0x0188U, 0x001004030000FFFFUL},
+	{0x0190U, 0x001014140000FFFFUL},
+	{0x0198U, 0x001014140000FFFFUL},
+	{0x01A0U, 0x001008060000FFFFUL},
+	{0x01A8U, 0x001008060000FFFFUL},
+	{0x01B0U, 0x001008060000FFFFUL},
+	{0x01B8U, 0x0000000000000000UL},
+	{0x01C0U, 0x0000000000000000UL},
+	{0x01C8U, 0x0000000000000000UL},
+	{0x01D0U, 0x0000000000000000UL},
+	{0x01D8U, 0x0000000000000000UL},
+	{0x01E0U, 0x0000000000000000UL},
+	{0x01E8U, 0x0000000000000000UL},
+	{0x01F0U, 0x0000000000000000UL},
+	{0x01F8U, 0x0000000000000000UL},
+	{0x0200U, 0x0000000000000000UL},
+	{0x0208U, 0x0000000000000000UL},
+	{0x0210U, 0x0000000000000000UL},
+	{0x0218U, 0x0000000000000000UL},
+	{0x0220U, 0x0000000000000000UL},
+	{0x0228U, 0x0000000000000000UL},
+	{0x0230U, 0x0000000000000000UL},
+	{0x0238U, 0x0000000000000000UL},
+	{0x0240U, 0x0000000000000000UL},
+	{0x0248U, 0x0000000000000000UL},
+	{0x0250U, 0x0000000000000000UL},
+	{0x0258U, 0x0000000000000000UL},
+	{0x0260U, 0x0000000000000000UL},
+	{0x0268U, 0x0000000000000000UL},
+	{0x0270U, 0x0000000000000000UL},
+	{0x0278U, 0x0000000000000000UL},
+	{0x0280U, 0x0000000000000000UL},
+	{0x0288U, 0x0000000000000000UL},
+	{0x0290U, 0x0000000000000000UL},
+	{0x0298U, 0x0000000000000000UL},
+	{0x02A0U, 0x0000000000000000UL},
+	{0x02A8U, 0x0000000000000000UL},
+	{0x02B0U, 0x0000000000000000UL},
+	{0x02B8U, 0x0000000000000000UL},
+	{0x02C0U, 0x0000000000000000UL},
+	{0x02C8U, 0x0000000000000000UL},
+	{0x02D0U, 0x0000000000000000UL},
+	{0x02D8U, 0x0000000000000000UL},
+	{0x02E0U, 0x0000000000000000UL},
+	{0x02E8U, 0x0000000000000000UL},
+	{0x02F0U, 0x0000000000000000UL},
+	{0x02F8U, 0x0000000000000000UL},
+	{0x0300U, 0x0000000000000000UL},
+	{0x0308U, 0x0000000000000000UL},
+	{0x0310U, 0x0000000000000000UL},
+	{0x0318U, 0x0000000000000000UL},
+	{0x0320U, 0x0000000000000000UL},
+	{0x0328U, 0x0000000000000000UL},
+	{0x0330U, 0x0000000000000000UL},
+	{0x0338U, 0x0000000000000000UL},
+};
+
+static const mstat_slot_t mstat_be[] = {
+	{0x0000U, 0x001000100C8FFC01UL},
+	{0x0008U, 0x001000100C8FFC01UL},
+	{0x0010U, 0x001000100C8FFC01UL},
+	{0x0018U, 0x001000100C8FFC01UL},
+	{0x0020U, 0x001000100C8FFC01UL},
+	{0x0028U, 0x001000100C8FFC01UL},
+	{0x0030U, 0x001000100C8FFC01UL},
+	{0x0038U, 0x001000100C8FFC01UL},
+	{0x0040U, 0x0000000000000000UL},
+	{0x0048U, 0x0000000000000000UL},
+	{0x0050U, 0x001000100C8FFC01UL},
+	{0x0058U, 0x0000000000000000UL},
+	{0x0060U, 0x0000000000000000UL},
+	{0x0068U, 0x001000100C8FFC01UL},
+	{0x0070U, 0x001000100C8FFC01UL},
+	{0x0078U, 0x001000100C8FFC01UL},
+	{0x0080U, 0x001000100C8FFC01UL},
+	{0x0088U, 0x0000000000000000UL},
+	{0x0090U, 0x0000000000000000UL},
+	{0x0098U, 0x0000000000000000UL},
+	{0x00A0U, 0x001000100C8FFC01UL},
+	{0x00A8U, 0x001000100C8FFC01UL},
+	{0x00B0U, 0x001000100C8FFC01UL},
+	{0x00B8U, 0x001000100C8FFC01UL},
+	{0x00C0U, 0x001000100C8FFC01UL},
+	{0x00C8U, 0x001000100C8FFC01UL},
+	{0x00D0U, 0x001000100C8FFC01UL},
+	{0x00D8U, 0x002000200C8FFC01UL},
+	{0x00E0U, 0x002000200C8FFC01UL},
+	{0x00E8U, 0x001000100C8FFC01UL},
+	{0x00F0U, 0x001000100C8FFC01UL},
+	{0x00F8U, 0x001000100C8FFC01UL},
+	{0x0100U, 0x0000000000000000UL},
+	{0x0108U, 0x002000200C8FFC01UL},
+	{0x0110U, 0x001000100C8FFC01UL},
+	{0x0118U, 0x001000100C8FFC01UL},
+	{0x0120U, 0x0000000000000000UL},
+	{0x0128U, 0x002000200C8FFC01UL},
+	{0x0130U, 0x001000100C8FFC01UL},
+	{0x0138U, 0x0000000000000000UL},
+	{0x0140U, 0x0000000000000000UL},
+	{0x0148U, 0x0000000000000000UL},
+	{0x0150U, 0x0000000000000000UL},
+	{0x0158U, 0x0000000000000000UL},
+	{0x0160U, 0x0000000000000000UL},
+	{0x0168U, 0x0000000000000000UL},
+	{0x0170U, 0x0000000000000000UL},
+	{0x0178U, 0x0000000000000000UL},
+	{0x0180U, 0x0000000000000000UL},
+	{0x0188U, 0x0000000000000000UL},
+	{0x0190U, 0x0000000000000000UL},
+	{0x0198U, 0x0000000000000000UL},
+	{0x01A0U, 0x0000000000000000UL},
+	{0x01A8U, 0x0000000000000000UL},
+	{0x01B0U, 0x0000000000000000UL},
+	{0x01B8U, 0x001000100C8FFC01UL},
+	{0x01C0U, 0x001000200C8FFC01UL},
+	{0x01C8U, 0x001000200C8FFC01UL},
+	{0x01D0U, 0x001000200C8FFC01UL},
+	{0x01D8U, 0x001000200C8FFC01UL},
+	{0x01E0U, 0x001000100C8FFC01UL},
+	{0x01E8U, 0x001000100C8FFC01UL},
+	{0x01F0U, 0x001000100C8FFC01UL},
+	{0x01F8U, 0x001000100C8FFC01UL},
+	{0x0200U, 0x001000100C8FFC01UL},
+	{0x0208U, 0x001000100C8FFC01UL},
+	{0x0210U, 0x001000100C8FFC01UL},
+	{0x0218U, 0x001000100C8FFC01UL},
+	{0x0220U, 0x001000100C8FFC01UL},
+	{0x0228U, 0x001000100C8FFC01UL},
+	{0x0230U, 0x001000100C8FFC01UL},
+	{0x0238U, 0x001000100C8FFC01UL},
+	{0x0240U, 0x001000100C8FFC01UL},
+	{0x0248U, 0x001000100C8FFC01UL},
+	{0x0250U, 0x001000100C8FFC01UL},
+	{0x0258U, 0x001000100C8FFC01UL},
+	{0x0260U, 0x001000100C8FFC01UL},
+	{0x0268U, 0x001000100C8FFC01UL},
+	{0x0270U, 0x001000100C8FFC01UL},
+	{0x0278U, 0x001000100C8FFC01UL},
+	{0x0280U, 0x001000100C8FFC01UL},
+	{0x0288U, 0x001000100C8FFC01UL},
+	{0x0290U, 0x001000100C8FFC01UL},
+	{0x0298U, 0x001000100C8FFC01UL},
+	{0x02A0U, 0x001000100C8FFC01UL},
+	{0x02A8U, 0x001000100C8FFC01UL},
+	{0x02B0U, 0x001000100C8FFC01UL},
+	{0x02B8U, 0x001000100C8FFC01UL},
+	{0x02C0U, 0x001000100C8FFC01UL},
+	{0x02C8U, 0x001000100C8FFC01UL},
+	{0x02D0U, 0x001000100C8FFC01UL},
+	{0x02D8U, 0x001000100C8FFC01UL},
+	{0x02E0U, 0x001000100C8FFC01UL},
+	{0x02E8U, 0x001000100C8FFC01UL},
+	{0x02F0U, 0x001000200C8FFC01UL},
+	{0x02F8U, 0x001000300C8FFC01UL},
+	{0x0300U, 0x0000000000000000UL},
+	{0x0308U, 0x001000200C8FFC01UL},
+	{0x0310U, 0x001000300C8FFC01UL},
+	{0x0318U, 0x0000000000000000UL},
+	{0x0320U, 0x001000200C8FFC01UL},
+	{0x0328U, 0x001000300C8FFC01UL},
+	{0x0330U, 0x001000200C8FFC01UL},
+	{0x0338U, 0x001000300C8FFC01UL},
+};
+#endif
+
+void qos_init_h3_v10(void)
+{
+	/* DRAM Split Address mapping */
+#if (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_4CH) || \
+    (RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_AUTO)
+	NOTICE("BL2: DRAM Split is 4ch\n");
+	io_write_32(AXI_ADSPLCR0, ADSPLCR0_ADRMODE_DEFAULT
+		    | ADSPLCR0_SPLITSEL(0xFFU)
+		    | ADSPLCR0_AREA(0x1BU)
+		    | ADSPLCR0_SWP);
+	io_write_32(AXI_ADSPLCR1, 0x00000000U);
+	io_write_32(AXI_ADSPLCR2, 0xA8A90000U);
+	io_write_32(AXI_ADSPLCR3, 0x00000000U);
+#elif RCAR_DRAM_SPLIT == RCAR_DRAM_SPLIT_2CH
+	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(0x1BU)
+		    | ADSPLCR0_SWP);
+	io_write_32(AXI_ADSPLCR2, 0x00000000U);
+	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
+
+	/* AR Cache setting */
+	io_write_32(0xE67D1000U, 0x00000100U);
+	io_write_32(0xE67D1008U, 0x00000100U);
+
+	/* Resource Alloc setting */
+	io_write_32(RALLOC_RAS, 0x00000040U);
+	io_write_32(RALLOC_FIXTH, 0x000F0005U);
+	io_write_32(RALLOC_REGGD, 0x00000004U);
+	io_write_64(RALLOC_DANN, 0x0202000004040404UL);
+	io_write_32(RALLOC_DANT, 0x003C1110U);
+	io_write_32(RALLOC_EC, 0x00080001U);	/* need for H3 v1.* */
+	io_write_64(RALLOC_EMS, 0x0000000000000000UL);
+	io_write_32(RALLOC_INSFC, 0xC7840001U);
+	io_write_32(RALLOC_BERR, 0x00000000U);
+
+	/* MSTAT setting */
+	io_write_32(MSTAT_SL_INIT,
+		    SL_INIT_REFFSSLOT | SL_INIT_SLOTSSLOT | SL_INIT_SSLOTCLK);
+	io_write_32(MSTAT_REF_ARS, 0x00330000U);
+
+	/* MSTAT SRAM setting */
+	for (uint32_t i = 0U; i < ARRAY_SIZE(mstat_fix); i++) {
+		io_write_64(MSTAT_FIX_QOS_BANK0 + mstat_fix[i].addr,
+			mstat_fix[i].value);
+		io_write_64(MSTAT_FIX_QOS_BANK1 + mstat_fix[i].addr,
+			mstat_fix[i].value);
+	}
+	for (uint32_t i = 0U; i < ARRAY_SIZE(mstat_be); i++) {
+		io_write_64(MSTAT_BE_QOS_BANK0 + mstat_be[i].addr,
+			mstat_be[i].value);
+		io_write_64(MSTAT_BE_QOS_BANK1 + mstat_be[i].addr,
+			mstat_be[i].value);
+	}
+
+	/* 3DG bus Leaf setting */
+	io_write_32(0xFD820808U, 0x00001234U);
+	io_write_32(0xFD820800U, 0x0000003FU);
+	io_write_32(0xFD821800U, 0x0000003FU);
+	io_write_32(0xFD822800U, 0x0000003FU);
+	io_write_32(0xFD823800U, 0x0000003FU);
+	io_write_32(0xFD824800U, 0x0000003FU);
+	io_write_32(0xFD825800U, 0x0000003FU);
+	io_write_32(0xFD826800U, 0x0000003FU);
+	io_write_32(0xFD827800U, 0x0000003FU);
+
+	/* Resource Alloc start */
+	io_write_32(RALLOC_RAEN, 0x00000001U);
+
+	/* MSTAT start */
+	io_write_32(MSTAT_STATQC, 0x00000001U);
+#else
+	NOTICE("BL2: QoS is None\n");
+
+	/* Resource Alloc setting */
+	io_write_32(RALLOC_EC, 0x00080001U);	/* need for H3 v1.* */
+#endif /* !(RCAR_QOS_TYPE == RCAR_QOS_NONE) */
+}