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/E3/qos_init_e3_v10.c b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c
new file mode 100644
index 0000000..efe0c75
--- /dev/null
+++ b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c
@@ -0,0 +1,159 @@
+/*
+ * 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
+}