1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 |
- /*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2020 Andes Technology Corporation
- *
- * Authors:
- * Nylon Chen <nylon7@andestech.com>
- */
- #include <sbi/riscv_asm.h>
- #include <sbi/riscv_io.h>
- #include <sbi/sbi_types.h>
- #include "platform.h"
- uintptr_t mcall_set_mcache_ctl(unsigned long input)
- {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_MASK);
- csr_write(CSR_MCACHECTL, input);
- return 0;
- }
- uintptr_t mcall_set_mmisc_ctl(unsigned long input)
- {
- csr_clear(CSR_MMISCCTL, V5_MMISC_CTL_MASK);
- csr_write(CSR_MMISCCTL, input);
- return 0;
- }
- uintptr_t mcall_icache_op(unsigned int enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MCACHE_CTL_IC_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_IC_EN);
- asm volatile("fence.i\n\t");
- }
- return 0;
- }
- uintptr_t mcall_dcache_op(unsigned int enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MCACHE_CTL_DC_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_DC_EN);
- csr_write(CSR_MCCTLCOMMAND, V5_UCCTL_L1D_WBINVAL_ALL);
- }
- return 0;
- }
- uintptr_t mcall_l1_cache_i_prefetch_op(unsigned long enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MCACHE_CTL_L1I_PREFETCH_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_L1I_PREFETCH_EN);
- }
- return 0;
- }
- uintptr_t mcall_l1_cache_d_prefetch_op(unsigned long enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MCACHE_CTL_L1D_PREFETCH_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_L1D_PREFETCH_EN);
- }
- return 0;
- }
- uintptr_t mcall_non_blocking_load_store(unsigned long enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MMISC_CTL_NON_BLOCKING_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MMISC_CTL_NON_BLOCKING_EN);
- }
- return 0;
- }
- uintptr_t mcall_write_around(unsigned long enable)
- {
- if (enable) {
- csr_set(CSR_MCACHECTL, V5_MCACHE_CTL_DC_WAROUND_1_EN);
- } else {
- csr_clear(CSR_MCACHECTL, V5_MCACHE_CTL_DC_WAROUND_1_EN);
- }
- return 0;
- }
|