/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2012 Olivier Houchard. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* */ #ifndef PL310_H_ #define PL310_H_ /** * PL310 - L2 Cache Controller register offsets. * */ #define PL310_CACHE_ID 0x000 #define CACHE_ID_RELEASE_SHIFT 0 #define CACHE_ID_RELEASE_MASK 0x3f #define CACHE_ID_RELEASE_r0p0 0x00 #define CACHE_ID_RELEASE_r1p0 0x02 #define CACHE_ID_RELEASE_r2p0 0x04 #define CACHE_ID_RELEASE_r3p0 0x05 #define CACHE_ID_RELEASE_r3p1 0x06 #define CACHE_ID_RELEASE_r3p2 0x08 #define CACHE_ID_RELEASE_r3p3 0x09 #define CACHE_ID_PARTNUM_SHIFT 6 #define CACHE_ID_PARTNUM_MASK 0xf #define CACHE_ID_PARTNUM_VALUE 0x3 #define PL310_CACHE_TYPE 0x004 #define PL310_CTRL 0x100 #define CTRL_ENABLED 0x01 #define CTRL_DISABLED 0x00 #define PL310_AUX_CTRL 0x104 #define AUX_CTRL_MASK 0xc0000fff #define AUX_CTRL_ASSOCIATIVITY_SHIFT 16 #define AUX_CTRL_WAY_SIZE_SHIFT 17 #define AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) #define AUX_CTRL_SHARE_OVERRIDE (1 << 22) #define AUX_CTRL_NS_LOCKDOWN (1 << 26) #define AUX_CTRL_NS_INT_CTRL (1 << 27) #define AUX_CTRL_DATA_PREFETCH (1 << 28) #define AUX_CTRL_INSTR_PREFETCH (1 << 29) #define AUX_CTRL_EARLY_BRESP (1 << 30) #define PL310_TAG_RAM_CTRL 0x108 #define PL310_DATA_RAM_CTRL 0x10C #define RAM_CTRL_WRITE_SHIFT 8 #define RAM_CTRL_WRITE_MASK (0x7 << 8) #define RAM_CTRL_READ_SHIFT 4 #define RAM_CTRL_READ_MASK (0x7 << 4) #define RAM_CTRL_SETUP_SHIFT 0 #define RAM_CTRL_SETUP_MASK (0x7 << 0) #define PL310_EVENT_COUNTER_CTRL 0x200 #define EVENT_COUNTER_CTRL_ENABLED (1 << 0) #define EVENT_COUNTER_CTRL_C0_RESET (1 << 1) #define EVENT_COUNTER_CTRL_C1_RESET (1 << 2) #define PL310_EVENT_COUNTER1_CONF 0x204 #define PL310_EVENT_COUNTER0_CONF 0x208 #define EVENT_COUNTER_CONF_NOINTR 0 #define EVENT_COUNTER_CONF_INCR 1 #define EVENT_COUNTER_CONF_OVFW 2 #define EVENT_COUNTER_CONF_NOEV (0 << 2) #define EVENT_COUNTER_CONF_CO (1 << 2) #define EVENT_COUNTER_CONF_DRHIT (2 << 2) #define EVENT_COUNTER_CONF_DRREQ (3 << 2) #define EVENT_COUNTER_CONF_DWHIT (4 << 2) #define EVENT_COUNTER_CONF_DWREQ (5 << 2) #define EVENT_COUNTER_CONF_DWTREQ (6 << 2) #define EVENT_COUNTER_CONF_DIRHIT (7 << 2) #define EVENT_COUNTER_CONF_DIRREQ (8 << 2) #define EVENT_COUNTER_CONF_WA (9 << 2) #define PL310_EVENT_COUNTER1_VAL 0x20C #define PL310_EVENT_COUNTER0_VAL 0x210 #define PL310_INTR_MASK 0x214 #define PL310_MASKED_INTR_STAT 0x218 #define PL310_RAW_INTR_STAT 0x21C #define PL310_INTR_CLEAR 0x220 #define INTR_MASK_ALL ((1 << 9) - 1) #define INTR_MASK_ECNTR (1 << 0) #define INTR_MASK_PARRT (1 << 1) #define INTR_MASK_PARRD (1 << 2) #define INTR_MASK_ERRWT (1 << 3) #define INTR_MASK_ERRWD (1 << 4) #define INTR_MASK_ERRRT (1 << 5) #define INTR_MASK_ERRRD (1 << 6) #define INTR_MASK_SLVERR (1 << 7) #define INTR_MASK_DECERR (1 << 8) #define PL310_CACHE_SYNC 0x730 #define PL310_INV_LINE_PA 0x770 #define PL310_INV_WAY 0x77C #define PL310_CLEAN_LINE_PA 0x7B0 #define PL310_CLEAN_LINE_IDX 0x7B8 #define PL310_CLEAN_WAY 0x7BC #define PL310_CLEAN_INV_LINE_PA 0x7F0 #define PL310_CLEAN_INV_LINE_IDX 0x7F8 #define PL310_CLEAN_INV_WAY 0x7FC #define PL310_LOCKDOWN_D_WAY(x) (0x900 + ((x) * 8)) #define PL310_LOCKDOWN_I_WAY(x) (0x904 + ((x) * 8)) #define PL310_LOCKDOWN_LINE_ENABLE 0x950 #define PL310_UNLOCK_ALL_LINES_WAY 0x954 #define PL310_ADDR_FILTER_STAR 0xC00 #define PL310_ADDR_FILTER_END 0xC04 #define PL310_DEBUG_CTRL 0xF40 #define DEBUG_CTRL_DISABLE_LINEFILL (1 << 0) #define DEBUG_CTRL_DISABLE_WRITEBACK (1 << 1) #define DEBUG_CTRL_SPNIDEN (1 << 2) #define PL310_PREFETCH_CTRL 0xF60 #define PREFETCH_CTRL_OFFSET_MASK (0x1f) #define PREFETCH_CTRL_NOTSAMEID (1 << 21) #define PREFETCH_CTRL_INCR_DL (1 << 23) #define PREFETCH_CTRL_PREFETCH_DROP (1 << 24) #define PREFETCH_CTRL_DL_ON_WRAP (1 << 27) #define PREFETCH_CTRL_DATA_PREFETCH (1 << 28) #define PREFETCH_CTRL_INSTR_PREFETCH (1 << 29) #define PREFETCH_CTRL_DL (1 << 30) #define PL310_POWER_CTRL 0xF80 #define POWER_CTRL_ENABLE_GATING (1 << 1) #define POWER_CTRL_ENABLE_STANDBY (1 << 0) struct intr_config_hook; struct pl310_softc { device_t sc_dev; struct resource *sc_mem_res; struct resource *sc_irq_res; void* sc_irq_h; int sc_enabled; struct mtx sc_mtx; u_int sc_rtl_revision; struct intr_config_hook *sc_ich; boolean_t sc_io_coherent; }; /** * pl310_read4 - read a 32-bit value from the PL310 registers * pl310_write4 - write a 32-bit value from the PL310 registers * @off: byte offset within the register set to read from * @val: the value to write into the register * * * LOCKING: * None * * RETURNS: * nothing in case of write function, if read function returns the value read. */ static __inline uint32_t pl310_read4(struct pl310_softc *sc, bus_size_t off) { return bus_read_4(sc->sc_mem_res, off); } static __inline void pl310_write4(struct pl310_softc *sc, bus_size_t off, uint32_t val) { bus_write_4(sc->sc_mem_res, off, val); } void pl310_set_ram_latency(struct pl310_softc *sc, uint32_t which_reg, uint32_t read, uint32_t write, uint32_t setup); #ifndef PLATFORM void platform_pl310_init(struct pl310_softc *); void platform_pl310_write_ctrl(struct pl310_softc *, uint32_t); void platform_pl310_write_debug(struct pl310_softc *, uint32_t); #endif #endif /* PL310_H_ */