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author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/opensbi/platform/andes/ae350/cache.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/opensbi/platform/andes/ae350/cache.c')
-rw-r--r-- | roms/opensbi/platform/andes/ae350/cache.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/roms/opensbi/platform/andes/ae350/cache.c b/roms/opensbi/platform/andes/ae350/cache.c new file mode 100644 index 000000000..af724c5c7 --- /dev/null +++ b/roms/opensbi/platform/andes/ae350/cache.c @@ -0,0 +1,89 @@ +/* + * 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; +} |