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platform: andes: Drop andes_pmu_setup() 

andes_pmu_setup() [1] was intended to populate event mapping from
hardcoded arrays, however, this increases firmware size and we should
just use PMU DT node [2] instead.

Link: https://lists.infradead.org/pipermail/opensbi/2023-November/006032.html [1]
Link: https://github.com/riscv-software-src/opensbi/blob/v1.4/docs/pmu_support.md#example-3 [2]
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Yu Chien Peter Lin 2024-02-22 17:18:38 +08:00 committed by Anup Patel
parent 6bb6b61c27
commit bc366780c2
2 changed files with 0 additions and 24 deletions
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12
platform/generic/andes/andes_pmu.c
View File

@ -6,7 +6,6 @@
*/ */
#include <andes/andes45.h> #include <andes/andes45.h>
#include <andes/andes_hpm.h>
#include <andes/andes_pmu.h> #include <andes/andes_pmu.h>
#include <sbi/sbi_bitops.h> #include <sbi/sbi_bitops.h>
#include <sbi/sbi_error.h> #include <sbi/sbi_error.h>
@ -86,20 +85,9 @@ int andes_pmu_extensions_init(const struct fdt_match *match,
int andes_pmu_init(const struct fdt_match *match) int andes_pmu_init(const struct fdt_match *match)
{ {
struct sbi_scratch *scratch = sbi_scratch_thishart_ptr(); struct sbi_scratch *scratch = sbi_scratch_thishart_ptr();
void *fdt = fdt_get_address();
int pmu_offset;
if (sbi_hart_has_extension(scratch, SBI_HART_EXT_XANDESPMU)) if (sbi_hart_has_extension(scratch, SBI_HART_EXT_XANDESPMU))
sbi_pmu_set_device(&andes_pmu); sbi_pmu_set_device(&andes_pmu);
/*
* Populate default mappings if device-tree doesn't
* provide a valid pmu node.
*/
pmu_offset = fdt_node_offset_by_compatible(fdt, -1, "riscv,pmu");
if (pmu_offset < 0)
return (pmu_offset == -FDT_ERR_NOTFOUND) ? andes_pmu_setup()
: SBI_EFAIL;
return 0; return 0;
} }

12
platform/generic/include/andes/andes_hpm.h
View File

@ -1,12 +0,0 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 Andes Technology Corporation
*/
#ifndef _ANDES_HPM_H_
#define _ANDES_HPM_H_
static inline int andes_pmu_setup(void) { return 0; }
#endif /* _ANDES_HPM_H_ */