Add mpu driver and remove interface library
from drivers
Add mpu driver for upstreaming
After removing of interface library,targets and applications
will list explicitly which libraries to link
Change-Id: Icfa449a2981093161f283e45b4d52ca6199371b8
diff --git a/drivers/timing_adapter/include/timing_adapter.h b/drivers/timing_adapter/include/timing_adapter.h
new file mode 100644
index 0000000..ef4f9b9
--- /dev/null
+++ b/drivers/timing_adapter/include/timing_adapter.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2019-2021 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TIMING_ADAPTER_H_
+#define TIMING_ADAPTER_H_
+
+#include <stdint.h>
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+/** TIMING ADAPTER
+ *
+ * The timing adapter is an AXI-to-AXI bridge for providing well-defined memory timing
+ * to allow performance evaluation of an AXI master. The bridge works by delaying the
+ * responses from the memory according to run-time configurable parameters that can be
+ * set in the timing adapter. Parameters include read and write response latencies,
+ * no. of outstanding transactions, and a model of interferring traffic.
+ */
+
+struct timing_adapter {
+ uintptr_t base_addr;
+};
+
+/** LIMITATIONS FOR FVP:
+ *
+ * - TA_MODE is hardcoded to 1 (one) at all times.
+ * - Only TA_PERFCTRL_AWTRANS and TA_PERFCTRL_ARTRANS support is
+ * implemented for the performance counter.
+ */
+
+struct timing_adapter_settings {
+ uint32_t maxr; // 6-bit field. Max no. of pending reads. 0=infinite
+ uint32_t maxw; // 6-bit field. Max no. of pending writes. 0=infinite
+ uint32_t maxrw; // 6-bit field. Max no. of pending reads+writes. 0=infinite
+ uint32_t rlatency; // 12-bit field. Minimum latency (clock cycles) from AVALID to RVALID.
+ uint32_t wlatency; // 12-bit field. Minimum latency (clock cycles) from WVALID&WLAST to BVALID.
+ uint32_t pulse_on; // No. of cycles addresses let through (0-65535).
+ uint32_t pulse_off; // No. of cycles addresses blocked (0-65535).
+ uint32_t bwcap; // 16-bit field. Max no. of 64-bit words transfered per pulse cycle 0=infinite
+ uint32_t perfctrl; // 6-bit field selecting an event for event counter 0=default
+ uint32_t perfcnt; // 32-bit event counter
+ uint32_t mode; // Bit 0: 1=enable dynamic clocking to avoid underrun
+ // Bit 1: 1=enable random AR reordering (0=default)
+ // Bit 2: 1=enable random R reordering (0=default)
+ // Bit 3: 1=enable random B reordering (0=default)
+ // Bit 11-4: Frequency scale 0=full speed, 255=(1/256) speed
+ uint32_t maxpending; // (Read-only) Max supported value in MAXR and MAXW registers
+ uint32_t histbin; // Controlls which histogram bin (0-15) that should be accessed by HISTCNT.
+ uint32_t histcnt; // 32-bit field. Read/write the selected histogram bin.
+};
+
+enum timing_adapter_perfctrl_settings {
+ TA_PERFCTRL_OFF = 0, // Disable performance counting
+ TA_PERFCTRL_CYCLES, // Count all cycles (root clock)
+ TA_PERFCTRL_UNDERRUN_R, // Unable to meet RLATENCY deadline
+ TA_PERFCTRL_UNDERRUN_B, // Unable to meet WLATENCY deadline
+ TA_PERFCTRL_OVERFLOW_AR, // Internal read address FIFO full
+ TA_PERFCTRL_OVERFLOW_AW, // Internal write address FIFO full
+ TA_PERFCTRL_OVERFLOW_R, // Internal read data FIFO full
+ TA_PERFCTRL_OVERFLOW_W, // Internal write data FIFO full
+ TA_PERFCTRL_OVERFLOW_B, // Internal write response FIFO full
+ TA_PERFCTRL_RREADY, // RREADY wait state
+ TA_PERFCTRL_BREADY, // BREADY wait state
+ TA_PERFCTRL_RTRANS, // Handshake on R channel
+ TA_PERFCTRL_WTRANS, // Handshake on W channel
+ TA_PERFCTRL_BTRANS, // Handshake on B channel
+ TA_PERFCTRL_ARTRANS, // Handshake on AR channel
+ TA_PERFCTRL_AWTRANS, // Handshake on AW channel
+ TA_PERFCTRL_ARQTIME, // Histogram of how much time spent with outstanding read transactions
+ TA_PERFCTRL_AWQTIME, // Histogram of how much time spent with outstanding write transactions
+ TA_PERFCTRL_MCLK_ON, // Count cycles when DUT clock is on
+ TA_PERFCTRL_MCLK_OFF, // Count cycles when DUT clock is off
+ TA_PERFCTRL_ARLEN0 = 32, // Handshake on AR channel with ARLEN=0
+ TA_PERFCTRL_AWLEN0 = 48 // Handshake on AW channel with AWLEN=0
+};
+
+int ta_init(struct timing_adapter *ta, uintptr_t base_addr);
+void ta_uninit(struct timing_adapter *ta);
+
+void ta_set_all(struct timing_adapter *ta, struct timing_adapter_settings *in);
+void ta_set_maxr(struct timing_adapter *ta, uint32_t val);
+void ta_set_maxw(struct timing_adapter *ta, uint32_t val);
+void ta_set_maxrw(struct timing_adapter *ta, uint32_t val);
+void ta_set_rlatency(struct timing_adapter *ta, uint32_t val);
+void ta_set_wlatency(struct timing_adapter *ta, uint32_t val);
+void ta_set_pulse_on(struct timing_adapter *ta, uint32_t val);
+void ta_set_pulse_off(struct timing_adapter *ta, uint32_t val);
+void ta_set_bwcap(struct timing_adapter *ta, uint32_t val);
+void ta_set_perfctrl(struct timing_adapter *ta, uint32_t val);
+void ta_set_perfcnt(struct timing_adapter *ta, uint32_t val);
+void ta_set_mode(struct timing_adapter *ta, uint32_t val);
+void ta_set_histbin(struct timing_adapter *ta, uint32_t val);
+void ta_set_histcnt(struct timing_adapter *ta, uint32_t val);
+
+void ta_get_all(struct timing_adapter *ta, struct timing_adapter_settings *out);
+uint32_t ta_get_maxr(struct timing_adapter *ta);
+uint32_t ta_get_maxw(struct timing_adapter *ta);
+uint32_t ta_get_maxrw(struct timing_adapter *ta);
+uint32_t ta_get_rlatency(struct timing_adapter *ta);
+uint32_t ta_get_wlatency(struct timing_adapter *ta);
+uint32_t ta_get_pulse_on(struct timing_adapter *ta);
+uint32_t ta_get_pulse_off(struct timing_adapter *ta);
+uint32_t ta_get_bwcap(struct timing_adapter *ta);
+uint32_t ta_get_perfctrl(struct timing_adapter *ta);
+uint32_t ta_get_perfcnt(struct timing_adapter *ta);
+uint32_t ta_get_mode(struct timing_adapter *ta);
+uint32_t ta_get_maxpending(struct timing_adapter *ta);
+uint32_t ta_get_histbin(struct timing_adapter *ta);
+uint32_t ta_get_histcnt(struct timing_adapter *ta);
+uint32_t ta_get_version(struct timing_adapter *ta);
+
+#if defined __cplusplus
+}
+#endif
+
+#endif