[rtems commit] libbsp/xilinx-zynq: Share handling for ARM cache controller L2C-310
Sebastian Huber
sebh at rtems.org
Thu Mar 13 15:15:49 UTC 2014
Module: rtems
Branch: master
Commit: bbc5527010bfd0e6f5c7468ac4de259ecba859d5
Changeset: http://git.rtems.org/rtems/commit/?id=bbc5527010bfd0e6f5c7468ac4de259ecba859d5
Author: Ralf Kirchner <ralf.kirchner at embedded-brains.de>
Date: Mon Feb 17 10:24:24 2014 +0100
libbsp/xilinx-zynq: Share handling for ARM cache controller L2C-310
---
c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am | 4 +-
c/src/lib/libbsp/arm/xilinx-zynq/include/bsp.h | 2 +
c/src/lib/libbsp/arm/xilinx-zynq/include/cache_.h | 986 ---------------------
3 files changed, 4 insertions(+), 988 deletions(-)
diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am b/c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am
index 8eaf98a..808d220 100644
--- a/c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am
+++ b/c/src/lib/libbsp/arm/xilinx-zynq/Makefile.am
@@ -118,8 +118,8 @@ libbsp_a_SOURCES += ../shared/arm-a9mpcore-clock-config.c
# Cache
libbsp_a_SOURCES += ../../../libcpu/shared/src/cache_manager.c
-libbsp_a_SOURCES += include/cache_.h
-libbsp_a_CPPFLAGS += -I$(srcdir)/include
+libbsp_a_SOURCES += ../shared/arm-l2c-310/cache_.h
+libbsp_a_CPPFLAGS += -I$(srcdir)/../shared/arm-l2c-310
# Start hooks
libbsp_a_SOURCES += startup/bspstarthooks.c startup/bspstartmmu.c
diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/include/bsp.h b/c/src/lib/libbsp/arm/xilinx-zynq/include/bsp.h
index c837d0d..635c505 100644
--- a/c/src/lib/libbsp/arm/xilinx-zynq/include/bsp.h
+++ b/c/src/lib/libbsp/arm/xilinx-zynq/include/bsp.h
@@ -55,6 +55,8 @@ extern "C" {
#define BSP_ARM_GIC_DIST_BASE 0xf8f01000
+#define BSP_ARM_L2CC_BASE 0xF8F02000U
+
/**
* @brief Zynq specific set up of the MMU.
*
diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/include/cache_.h b/c/src/lib/libbsp/arm/xilinx-zynq/include/cache_.h
deleted file mode 100644
index 8015136..0000000
--- a/c/src/lib/libbsp/arm/xilinx-zynq/include/cache_.h
+++ /dev/null
@@ -1,986 +0,0 @@
-/**
- * @file
- * @ingroup zynq_cache
- * @brief Cache definitions and functions.
- */
-
-/*
- * Authorship
- * ----------
- * This software was created by
- * R. Claus <claus at slac.stanford.edu>, 2013,
- * Stanford Linear Accelerator Center, Stanford University.
- *
- * Acknowledgement of sponsorship
- * ------------------------------
- * This software was produced by
- * the Stanford Linear Accelerator Center, Stanford University,
- * under Contract DE-AC03-76SFO0515 with the Department of Energy.
- *
- * Government disclaimer of liability
- * ----------------------------------
- * Neither the United States nor the United States Department of Energy,
- * nor any of their employees, makes any warranty, express or implied, or
- * assumes any legal liability or responsibility for the accuracy,
- * completeness, or usefulness of any data, apparatus, product, or process
- * disclosed, or represents that its use would not infringe privately owned
- * rights.
- *
- * Stanford disclaimer of liability
- * --------------------------------
- * Stanford University makes no representations or warranties, express or
- * implied, nor assumes any liability for the use of this software.
- *
- * Stanford disclaimer of copyright
- * --------------------------------
- * Stanford University, owner of the copyright, hereby disclaims its
- * copyright and all other rights in this software. Hence, anyone may
- * freely use it for any purpose without restriction.
- *
- * Maintenance of notices
- * ----------------------
- * In the interest of clarity regarding the origin and status of this
- * SLAC software, this and all the preceding Stanford University notices
- * are to remain affixed to any copy or derivative of this software made
- * or distributed by the recipient and are to be affixed to any copy of
- * software made or distributed by the recipient that contains a copy or
- * derivative of this software.
- *
- * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
- */
-
-#ifndef LIBBSP_ARM_ZYNQ_CACHE__H
-#define LIBBSP_ARM_ZYNQ_CACHE__H
-
-#include <libcpu/arm-cp15.h>
-
-/* These two defines also ensure that the rtems_cache_* functions have bodies */
-#define CPU_DATA_CACHE_ALIGNMENT 32
-#define CPU_INSTRUCTION_CACHE_ALIGNMENT 32
-
-#define CPU_CACHE_SUPPORT_PROVIDES_RANGE_FUNCTIONS
-
-#define L2CC_BASE_ADDR 0xF8F02000U
-
-#define ZYNQ_L2_CACHE_LINE_SIZE 32
-
-/**
- * @defgroup zynq_cache Cache Support
- * @ingroup arm_zynq
- * @brief Cache Functions and Defitions
- * @{
- */
-
-/**
- * @brief L2CC Register Offsets
- */
-typedef struct {
- uint32_t cache_id; /* Cache ID */
- uint32_t cache_type; /* Cache type */
-
- uint8_t reserved_8[0x100 - 8];
- uint32_t ctrl; /* Control */
-/** @brief Enables the L2CC */
-#define L2CC_ENABLE_MASK 0x00000001
-
- /** @brief Auxiliary control */
- uint32_t aux_ctrl;
-/** @brief Early BRESP Enable */
-#define L2CC_AUX_EBRESPE_MASK 0x40000000
-/** @brief Instruction Prefetch Enable */
-#define L2CC_AUX_IPFE_MASK 0x20000000
-/** @brief Data Prefetch Enable */
-#define L2CC_AUX_DPFE_MASK 0x10000000
-/** @brief Non-secure interrupt access control */
-#define L2CC_AUX_NSIC_MASK 0x08000000
-/** @brief Non-secure lockdown enable */
-#define L2CC_AUX_NSLE_MASK 0x04000000
-/** @brief Cache replacement policy */
-#define L2CC_AUX_CRP_MASK 0x02000000
-/** @brief Force write allocate */
-#define L2CC_AUX_FWE_MASK 0x01800000
-/** @breif Shared attribute override enable */
-#define L2CC_AUX_SAOE_MASK 0x00400000
-/** @brief Parity enable */
-#define L2CC_AUX_PE_MASK 0x00200000
-/** @brief Event monitor bus enable */
-#define L2CC_AUX_EMBE_MASK 0x00100000
-/** @brief Way-size */
-#define L2CC_AUX_WAY_SIZE_MASK 0x000E0000
-/** @brief Way-size */
-#define L2CC_AUX_ASSOC_MASK 0x00010000
-/** @brief Shared attribute invalidate enable */
-#define L2CC_AUX_SAIE_MASK 0x00002000
-/** @brief Exclusive cache configuration */
-#define L2CC_AUX_EXCL_CACHE_MASK 0x00001000
-/** @brief Store buffer device limitation Enable */
-#define L2CC_AUX_SBDLE_MASK 0x00000800
-/** @brief High Priority for SO and Dev Reads Enable */
-#define L2CC_AUX_HPSODRE_MASK 0x00000400
-
-/** @brief Full line of zero enable */
-#define L2CC_AUX_FLZE_MASK 0x00000001
-
-/** @brief Enable all prefetching, */
-#define L2CC_AUX_REG_DEFAULT_MASK 0x72360000
-#define L2CC_AUX_REG_ZERO_MASK 0xFFF1FFFF
-
- /** @brief Latency for tag RAM */
- uint32_t tag_ram_ctrl;
-#define L2CC_TAG_RAM_DEFAULT_MASK 0x00000111
- /** @brief Latency for data RAM */
- uint32_t data_ram_ctrl;
-#define L2CC_DATA_RAM_DEFAULT_MASK 0x00000121
-
- uint8_t reserved_110[0x200 - 0x110];
- /** @brief Event counter control */
- uint32_t ev_ctrl;
- /** @brief Event counter 1 configuration */
- uint32_t ev_cnt1_cfg;
- /** @brief Event counter 0 configuration */
- uint32_t ev_cnt0_cfg;
- /** @brief Event counter 1 value */
- uint32_t ev_cnt1;
- /** @brief Event counter 0 value */
- uint32_t ev_cnt0;
- /** @brief Interrupt enable mask */
- uint32_t int_mask;
- /** @brief Masked interrupt status (read-only)*/
- uint32_t int_mask_status;
- /** @brief Unmasked interrupt status */
- uint32_t int_raw_status;
- /** @brief Interrupt clear */
- uint32_t int_clr;
-
-/**
- * @name Interrupt bit masks
- *
- * @{
- */
-
-/** @brief DECERR from L3 */
-#define L2CC_INT_DECERR_MASK 0x00000100
-/** @brief SLVERR from L3 */
-#define L2CC_INT_SLVERR_MASK 0x00000080
-/** @brief Error on L2 data RAM (Read) */
-#define L2CC_INT_ERRRD_MASK 0x00000040
-/** @brief Error on L2 tag RAM (Read) */
-#define L2CC_INT_ERRRT_MASK 0x00000020
-/** @brief Error on L2 data RAM (Write) */
-#define L2CC_INT_ERRWD_MASK 0x00000010
-/** @brief Error on L2 tag RAM (Write) */
-#define L2CC_INT_ERRWT_MASK 0x00000008
-/** @brief Parity Error on L2 data RAM (Read) */
-#define L2CC_INT_PARRD_MASK 0x00000004
-/** @brief Parity Error on L2 tag RAM (Read) */
-#define L2CC_INT_PARRT_MASK 0x00000002
-/** @brief Event Counter1/0 Overflow Increment */
-#define L2CC_INT_ECNTR_MASK 0x00000001
-
-/** @} */
-
- uint8_t reserved_224[0x730 - 0x224];
- /** @brief Drain the STB */
- uint32_t cache_sync;
- uint8_t reserved_734[0x770 - 0x734];
- /** @brief Invalidate line by PA */
- uint32_t inv_pa;
- uint8_t reserved_774[0x77c - 0x774];
- /** @brief Invalidate by Way */
- uint32_t inv_way;
- uint8_t reserved_780[0x7b0 - 0x780];
- /** @brief Clean Line by PA */
- uint32_t clean_pa;
- uint8_t reserved_7b4[0x7b8 - 0x7b4];
- /** @brief Clean Line by Set/Way */
- uint32_t clean_index;
- /** @brief Clean by Way */
- uint32_t clean_way;
- uint8_t reserved_7c0[0x7f0 - 0x7c0];
- /** @brief Clean and Invalidate Line by PA */
- uint32_t clean_inv_pa;
- uint8_t reserved_7f4[0x7f8 - 0x7f4];
- /** @brief Clean and Invalidate Line by Set/Way */
- uint32_t clean_inv_indx;
- /** @brief Clean and Invalidate by Way */
- uint32_t clean_inv_way;
-
- /** @brief Data lock down 0 */
- uint32_t d_lockdown_0;
- /** @brief Instruction lock down 0 */
- uint32_t i_lockdown_0;
- /** @brief Data lock down 1 */
- uint32_t d_lockdown_1;
- /** @brief Instruction lock down 1 */
- uint32_t i_lockdown_1;
- /** @brief Data lock down 2 */
- uint32_t d_lockdown_2;
- /** @brief Instruction lock down 2 */
- uint32_t i_lockdown_2;
- /** @brief Data lock down 3 */
- uint32_t d_lockdown_3;
- /** @brief Instruction lock down 3 */
- uint32_t i_lockdown_3;
- /** @brief Data lock down 4 */
- uint32_t d_lockdown_4;
- /** @brief Instruction lock down 4 */
- uint32_t i_lockdown_4;
- /** @brief Data lock down 5 */
- uint32_t d_lockdown_5;
- /** @brief Instruction lock down 5 */
- uint32_t i_lockdown_5;
- /** @brief Data lock down 6 */
- uint32_t d_lockdown_6;
- /** @brief Instruction lock down 6 */
- uint32_t i_lockdown_6;
- /** @brief Data lock down 7 */
- uint32_t d_lockdown_7;
- /** @brief Instruction lock down 7 */
- uint32_t i_lockdown_7;
-
- uint8_t reserved_940[0x950 - 0x940];
- /** @brief Lockdown by Line Enable */
- uint32_t lock_line_en;
- /** @brief Cache lockdown by way */
- uint32_t unlock_way;
-
- uint8_t reserved_958[0xc00 - 0x958];
- /** @brief Address range redirect, part 1 */
- uint32_t addr_filtering_start;
- /** @brief Address range redirect, part 2 */
- uint32_t addr_filtering_end;
-/** @brief Address filtering valid bits*/
-#define L2CC_ADDR_FILTER_VALID_MASK 0xFFF00000
-/** @brief Address filtering enable bit*/
-#define L2CC_ADDR_FILTER_ENABLE_MASK 0x00000001
-
- uint8_t reserved_c08[0xf40 - 0xc08];
- /** @brief Debug control */
- uint32_t debug_ctrl;
-/** @brief Debug SPIDEN bit */
-#define L2CC_DEBUG_SPIDEN_MASK 0x00000004
-/** @brief Debug DWB bit, forces write through */
-#define L2CC_DEBUG_DWB_MASK 0x00000002
-/** @breif Debug DCL bit, disables cache line fill */
-#define L2CC_DEBUG_DCL_MASK 0x00000002
-
- uint8_t reserved_f44[0xf60 - 0xf44];
- /** @brief Purpose prefetch enables */
- uint32_t prefetch_ctrl;
- uint8_t reserved_f64[0xf80 - 0xf64];
- /** @brief Purpose power controls */
- uint32_t power_ctrl;
-} L2CC;
-
-static inline void
-zynq_cache_l1_cache_properties(uint32_t *l1LineSize,
- uint32_t *l1NumWays,
- uint32_t *l1NumSets)
-{
- uint32_t id;
-
- /* Select cache level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
- _ARM_Instruction_synchronization_barrier();
- id = arm_cp15_get_cache_size_id();
-
- *l1LineSize = (id & 0x0007U) + 2 + 2; /* Cache line size (+2 -> bytes) */
- *l1NumWays = ((id >> 3) & 0x03ffU) + 1; /* Number of Ways */
- *l1NumSets = ((id >> 13) & 0x7fffU) + 1; /* Number of Sets */
-}
-
-
-static inline void
-zynq_cache_l1_cache_flush_1_data_line(const void *d_addr)
-{
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- /* Flush the Data cache */
- arm_cp15_data_cache_clean_and_invalidate_line(d_addr);
-
- /* Wait for L1 flush to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_flush_data_range(const void *d_addr, size_t n_bytes)
-{
- const void * final_address;
-
- /*
- * Set d_addr to the beginning of the cache line; final_address indicates
- * the last address_t which needs to be pushed. Increment d_addr and push
- * the resulting line until final_address is passed.
- */
-
- if( n_bytes == 0 )
- /* Do nothing if number of bytes to flush is zero */
- return;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- final_address = (void *)((size_t)d_addr + n_bytes - 1);
- d_addr = (void *)((size_t)d_addr & ~(CPU_DATA_CACHE_ALIGNMENT - 1));
- while( d_addr <= final_address ) {
- arm_cp15_data_cache_clean_and_invalidate_line( d_addr );
- d_addr = (void *)((size_t)d_addr + CPU_DATA_CACHE_ALIGNMENT);
- }
-
- /* Wait for L1 flush to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_flush_entire_data(void)
-{
- uint32_t l1LineSize, l1NumWays, l1NumSets;
- uint32_t sets, ways, s, w;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
- _ARM_Instruction_synchronization_barrier();
-
- /* Get the L1 cache properties */
- zynq_cache_l1_cache_properties(&l1LineSize, &l1NumWays, &l1NumSets);
-
- ways = l1NumWays * (1 << 30);
- sets = l1NumSets * (1 << l1LineSize);
-
- /* Invalidate all the cache lines */
- for (w = 0; w < ways; w += (1 << 30)) {
- for (s = 0; s < sets; s += (1 << l1LineSize)) {
- /* Flush by Set/Way */
- arm_cp15_data_cache_clean_and_invalidate_line_by_set_and_way(w | s);
- }
- }
-
- /* Wait for L1 flush to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_1_data_line(const void *d_addr)
-{
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- /* Invalidate the cache line */
- arm_cp15_data_cache_invalidate_line(d_addr);
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_data_range(const void *d_addr, size_t n_bytes)
-{
- const void * final_address;
-
- /*
- * Set d_addr to the beginning of the cache line; final_address indicates
- * the last address_t which needs to be invalidated. Increment d_addr and
- * invalidate the resulting line until final_address is passed.
- */
-
- if( n_bytes == 0 )
- /* Do nothing if number of bytes to invalidate is zero */
- return;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- final_address = (void *)((size_t)d_addr + n_bytes - 1);
- d_addr = (void *)((size_t)d_addr & ~(CPU_DATA_CACHE_ALIGNMENT - 1));
- while( final_address >= d_addr ) {
- arm_cp15_data_cache_invalidate_line( d_addr );
- d_addr = (void *)((size_t)d_addr + CPU_DATA_CACHE_ALIGNMENT);
- }
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_entire_data(void)
-{
- uint32_t l1LineSize, l1NumWays, l1NumSets;
- uint32_t sets, ways, s, w;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
- _ARM_Instruction_synchronization_barrier();
-
- /* Get the L1 cache properties */
- zynq_cache_l1_cache_properties(&l1LineSize, &l1NumWays, &l1NumSets);
-
- ways = l1NumWays * (1 << 30);
- sets = l1NumSets * (1 << l1LineSize);
-
- /* Invalidate all the cache lines */
- for (w = 0; w < ways; w += (1 << 30)) {
- for (s = 0; s < sets; s += (1 << l1LineSize)) {
- /* Invalidate by Set/Way */
- arm_cp15_data_cache_invalidate_line_by_set_and_way(w | s);
- }
- }
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_store_data(const void *d_addr)
-{
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- /* Store the Data cache line */
- arm_cp15_data_cache_clean_line(d_addr);
-
- /* Wait for L1 store to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_freeze_data(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l1_cache_unfreeze_data(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_1_instruction_line(const void *i_addr)
-{
- /* Select cache Level 1 and Instruction cache in CSSELR */
- arm_cp15_set_cache_size_selection(1);
-
- /* Invalidate the Instruction cache line */
- arm_cp15_instruction_cache_invalidate_line(i_addr);
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_instruction_range(const void *i_addr, size_t n_bytes)
-{
- const void * final_address;
-
- /*
- * Set i_addr to the beginning of the cache line; final_address indicates
- * the last address_t which needs to be invalidated. Increment i_addr and
- * invalidate the resulting line until final_address is passed.
- */
-
- if( n_bytes == 0 )
- /* Do nothing if number of bytes to invalidate is zero */
- return;
-
- /* Select cache Level 1 and Instruction cache in CSSELR */
- arm_cp15_set_cache_size_selection(1);
-
- final_address = (void *)((size_t)i_addr + n_bytes - 1);
- i_addr = (void *)((size_t)i_addr & ~(CPU_INSTRUCTION_CACHE_ALIGNMENT - 1));
- while( final_address > i_addr ) {
- arm_cp15_instruction_cache_invalidate_line( i_addr );
- i_addr = (void *)((size_t)i_addr + CPU_INSTRUCTION_CACHE_ALIGNMENT);
- }
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_invalidate_entire_instruction(void)
-{
- /* Select cache Level 1 and Instruction cache in CSSELR */
- arm_cp15_set_cache_size_selection(1);
-
- /* Invalidate the Instruction cache */
- arm_cp15_instruction_cache_invalidate();
-
- /* Wait for L1 invalidate to complete */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l1_cache_freeze_instruction(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l1_cache_unfreeze_instruction(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l1_cache_enable_data(void)
-{
- rtems_interrupt_level level;
- uint32_t ctrl;
-
- rtems_interrupt_disable(level);
-
- /* Enable caches only if they are disabled */
- ctrl = arm_cp15_get_control();
- if (!(ctrl & ARM_CP15_CTRL_C)) {
- /* Clean and invalidate the Data cache */
- zynq_cache_l1_cache_invalidate_entire_data();
-
- /* Enable the Data cache */
- ctrl |= ARM_CP15_CTRL_C;
-
- arm_cp15_set_control(ctrl);
- }
-
- rtems_interrupt_enable(level);
-}
-
-static inline void
-zynq_cache_l1_cache_disable_data(void)
-{
- rtems_interrupt_level level;
-
- rtems_interrupt_disable(level);
-
- /* Clean and invalidate the Data cache */
- zynq_cache_l1_cache_flush_entire_data();
-
- /* Disable the Data cache */
- arm_cp15_set_control(arm_cp15_get_control() & ~ARM_CP15_CTRL_C);
-
- rtems_interrupt_enable(level);
-}
-
-static inline void
-zynq_cache_l1_cache_enable_instruction(void)
-{
- rtems_interrupt_level level;
- uint32_t ctrl;
-
- rtems_interrupt_disable(level);
-
- /* Enable Instruction cache only if it is disabled */
- ctrl = arm_cp15_get_control();
- if (!(ctrl & ARM_CP15_CTRL_I)) {
- /* Invalidate the Instruction cache */
- zynq_cache_l1_cache_invalidate_entire_instruction();
-
- /* Enable the Instruction cache */
- ctrl |= ARM_CP15_CTRL_I;
-
- arm_cp15_set_control(ctrl);
- }
-
- rtems_interrupt_enable(level);
-}
-
-static inline void
-zynq_cache_l1_cache_disable_instruction(void)
-{
- rtems_interrupt_level level;
-
- rtems_interrupt_disable(level);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-
- /* Invalidate the Instruction cache */
- zynq_cache_l1_cache_invalidate_entire_instruction();
-
- /* Disable the Instruction cache */
- arm_cp15_set_control(arm_cp15_get_control() & ~ARM_CP15_CTRL_I);
-
- rtems_interrupt_enable(level);
-}
-
-
-static inline void
-zynq_cache_l2_cache_flush_1_line(const void *d_addr)
-{
- volatile L2CC* l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- l2cc->clean_inv_pa = (uint32_t)d_addr;
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_flush_range(const void *d_addr, size_t n_bytes)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (n_bytes != 0) {
- uint32_t adx = (uint32_t)d_addr;
- const uint32_t end = adx + n_bytes;
-
- /* Back starting address up to start of a line and flush until end */
- for (adx &= ~(ZYNQ_L2_CACHE_LINE_SIZE - 1);
- adx < end;
- adx += ZYNQ_L2_CACHE_LINE_SIZE) {
- l2cc->clean_inv_pa = adx;
- }
- }
-
- /* Wait for L2 flush to complete */
- while (l2cc->cache_sync != 0);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_flush_entire(void)
-{
- volatile L2CC* l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- /* Flush the caches */
- l2cc->clean_inv_way = 0x0000FFFFU;
-
- /* Wait for the flush to complete */
- while (l2cc->cache_sync != 0);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_invalidate_1_line(const void *d_addr)
-{
- volatile L2CC* l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- l2cc->inv_pa = (uint32_t)d_addr;
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_invalidate_range(const void* d_addr, size_t n_bytes)
-{
- volatile L2CC* l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (n_bytes != 0) {
- uint32_t adx = (uint32_t)d_addr;
- const uint32_t end = adx + n_bytes;
-
- /* Back starting address up to start of a line and invalidate until end */
- for (adx &= ~(ZYNQ_L2_CACHE_LINE_SIZE - 1);
- adx < end;
- adx += ZYNQ_L2_CACHE_LINE_SIZE) {
- l2cc->inv_pa = adx;
- }
- }
-
- /* Wait for L2 invalidate to complete */
- while (l2cc->cache_sync != 0);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_invalidate_entire(void)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- /* Invalidate the caches */
- l2cc->inv_way = 0xFFFFU;
-
- /* Wait for the invalidate to complete */
- while (l2cc->cache_sync != 0);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_store(const void *d_addr)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- l2cc->clean_pa = (uint32_t)d_addr;
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-}
-
-static inline void
-zynq_cache_l2_cache_freeze(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l2_cache_unfreeze(void)
-{
- /* TODO */
-}
-
-static inline void
-zynq_cache_l2_cache_enable(void)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- /* Only enable if L2CC is currently disabled */
- if ((l2cc->ctrl & L2CC_ENABLE_MASK) == 0) {
- rtems_interrupt_level level;
- uint32_t value;
-
- rtems_interrupt_disable(level);
-
- /* Set up the way size and latencies */
- value = l2cc->aux_ctrl;
- value &= L2CC_AUX_REG_ZERO_MASK;
- value |= L2CC_AUX_REG_DEFAULT_MASK;
- l2cc->aux_ctrl = value;
- l2cc->tag_ram_ctrl = L2CC_TAG_RAM_DEFAULT_MASK;
- l2cc->data_ram_ctrl = L2CC_DATA_RAM_DEFAULT_MASK;
-
- /* Clear the pending interrupts */
- l2cc->int_clr = l2cc->int_raw_status;
-
- /* Enable the L2CC */
- l2cc->ctrl |= L2CC_ENABLE_MASK;
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-
- /* Enable the Data cache */
- arm_cp15_set_control(arm_cp15_get_control() | ARM_CP15_CTRL_C);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-
- rtems_interrupt_enable(level);
- }
-}
-
-static inline void
-zynq_cache_l2_cache_disable(void)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (l2cc->ctrl & L2CC_ENABLE_MASK) {
- rtems_interrupt_level level;
- uint32_t ctrl;
-
- rtems_interrupt_disable(level);
-
- ctrl = arm_cp15_get_control();
-
- /* Disable the L1 Data cache */
- ctrl &= ~ARM_CP15_CTRL_C;
-
- arm_cp15_set_control(ctrl);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-
- /* Clean and Invalidate L2 Cache */
- zynq_cache_l2_cache_flush_entire();
-
- /* Disable the L2 cache */
- l2cc->ctrl &= ~L2CC_ENABLE_MASK;
-
- /* Enable the L1 Data cache */
- ctrl |= ARM_CP15_CTRL_C;
-
- arm_cp15_set_control(ctrl);
-
- /* Synchronize the processor */
- _ARM_Data_synchronization_barrier();
-
- rtems_interrupt_enable(level);
- }
-}
-
-
-static inline void
-_CPU_cache_enable_data(void)
-{
- zynq_cache_l1_cache_enable_data();
- zynq_cache_l2_cache_enable();
-}
-
-static inline void
-_CPU_cache_disable_data(void)
-{
- zynq_cache_l1_cache_disable_data();
- zynq_cache_l2_cache_disable();
-}
-
-static inline void
-_CPU_cache_enable_instruction(void)
-{
- zynq_cache_l1_cache_enable_instruction();
- zynq_cache_l2_cache_enable();
-}
-
-static inline void
-_CPU_cache_disable_instruction(void)
-{
- zynq_cache_l1_cache_disable_instruction();
- zynq_cache_l2_cache_disable();
-}
-
-static inline void
-_CPU_cache_flush_data_range(const void *d_addr, size_t n_bytes)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (n_bytes != 0) {
- uint32_t adx = (uint32_t)d_addr;
- const uint32_t end = adx + n_bytes;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- /* Back starting address up to start of a line and flush until end */
- for (adx &= ~(CPU_DATA_CACHE_ALIGNMENT - 1);
- adx < end;
- adx += CPU_DATA_CACHE_ALIGNMENT) {
- /* Flush L1 Data cache line */
- arm_cp15_data_cache_clean_and_invalidate_line( (const void*)adx );
-
- /* Flush L2 cache line */
- l2cc->clean_inv_pa = adx;
-
- _ARM_Data_synchronization_barrier();
- }
- }
-
- /* Wait for L1 and L2 flush to complete */
- _ARM_Data_synchronization_barrier();
- while (l2cc->cache_sync != 0);
-}
-
-static inline void
-_CPU_cache_flush_entire_data(void)
-{
- zynq_cache_l1_cache_flush_entire_data();
- zynq_cache_l2_cache_flush_entire();
-}
-
-static inline void
-_CPU_cache_invalidate_data_range(const void *d_addr, size_t n_bytes)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (n_bytes != 0) {
- uint32_t adx = (uint32_t)d_addr;
- const uint32_t end = adx + n_bytes;
-
- /* Select cache Level 1 and Data cache in CSSELR */
- arm_cp15_set_cache_size_selection(0);
-
- /* Back starting address up to start of a line and invalidate until end */
- for (adx &= ~(CPU_DATA_CACHE_ALIGNMENT - 1);
- adx < end;
- adx += CPU_DATA_CACHE_ALIGNMENT) {
- /* Invalidate L2 cache line */
- l2cc->inv_pa = adx;
- _ARM_Data_synchronization_barrier();
-
- /* Invalidate L1 Data cache line */
- arm_cp15_data_cache_invalidate_line( (const void *)adx );
- }
- }
-
- /* Wait for L1 and L2 invalidate to complete */
- _ARM_Data_synchronization_barrier();
- while (l2cc->cache_sync != 0);
-}
-
-static inline void
-_CPU_cache_invalidate_entire_data(void)
-{
- zynq_cache_l2_cache_invalidate_entire();
- zynq_cache_l1_cache_invalidate_entire_data();
-}
-
-static inline void
-_CPU_cache_store_data_line(const void *d_addr)
-{
- zynq_cache_l1_cache_store_data(d_addr);
- zynq_cache_l2_cache_store(d_addr);
-}
-
-static inline void
-_CPU_cache_freeze_data(void)
-{
- zynq_cache_l1_cache_freeze_data();
- zynq_cache_l2_cache_freeze();
-}
-
-static inline void
-_CPU_cache_unfreeze_data(void)
-{
- zynq_cache_l1_cache_unfreeze_data();
- zynq_cache_l2_cache_unfreeze();
-}
-
-static inline void
-_CPU_cache_invalidate_instruction_range(const void *i_addr, size_t n_bytes)
-{
- volatile L2CC *l2cc = (volatile L2CC *)L2CC_BASE_ADDR;
-
- if (n_bytes != 0) {
- uint32_t adx = (uint32_t)i_addr;
- const uint32_t end = adx + n_bytes;
-
- /* Select cache Level 1 and Instruction cache in CSSELR */
- arm_cp15_set_cache_size_selection(1);
-
- /* Back starting address up to start of a line and invalidate until end */
- for (adx &= ~(CPU_INSTRUCTION_CACHE_ALIGNMENT - 1);
- adx < end;
- adx += CPU_INSTRUCTION_CACHE_ALIGNMENT) {
- /* Invalidate L2 cache line */
- l2cc->inv_pa = adx;
- _ARM_Data_synchronization_barrier();
-
- /* Invalidate L1 I-cache line */
- arm_cp15_instruction_cache_invalidate_line( (const void *)adx );
- }
- }
-
- /* Wait for L1 and L2 invalidate to complete */
- _ARM_Data_synchronization_barrier();
- while (l2cc->cache_sync != 0);
-}
-
-static inline void
-_CPU_cache_invalidate_entire_instruction(void)
-{
- zynq_cache_l2_cache_invalidate_entire();
- zynq_cache_l1_cache_invalidate_entire_instruction();
-}
-
-static inline void
-_CPU_cache_freeze_instruction(void)
-{
- zynq_cache_l1_cache_freeze_instruction();
- zynq_cache_l2_cache_freeze();
-}
-
-static inline void
-_CPU_cache_unfreeze_instruction(void)
-{
- zynq_cache_l1_cache_unfreeze_instruction();
- zynq_cache_l2_cache_unfreeze();
-}
-
-/** @} */
-
-#endif /* LIBBSP_ARM_ZYNQ_CACHE__H */
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