From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu Chien Peter Lin Date: Thu, 30 Nov 2023 20:42:04 +0800 Subject: [PATCH v4 06/15] platform: generic: Introduce pmu_init() platform override In-Reply-To: <20231130124213.2590640-1-peterlin@andestech.com> References: <20231130124213.2590640-1-peterlin@andestech.com> Message-ID: <20231130124213.2590640-7-peterlin@andestech.com> List-Id: To: opensbi@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Add pmu_init() platform override, which will be used to register PMU device and populate event mappings. Signed-off-by: Yu Chien Peter Lin Reviewed-by: Atish Patra Reviewed-by: Lad Prabhakar --- Changes v2 -> v3: - New patch Changes v3 -> v4: - Only return pmu_init override on error so fdt_pmu_setup() can be executed - Include RB tags --- platform/generic/include/platform_override.h | 1 + platform/generic/platform.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/platform/generic/include/platform_override.h b/platform/generic/include/platform_override.h index bf4b112..f2a4327 100644 --- a/platform/generic/include/platform_override.h +++ b/platform/generic/include/platform_override.h @@ -27,6 +27,7 @@ struct platform_override { int (*fdt_fixup)(void *fdt, const struct fdt_match *match); int (*extensions_init)(const struct fdt_match *match, struct sbi_hart_features *hfeatures); + int (*pmu_init)(const struct fdt_match *match); void (*fw_init)(void *fdt, const struct fdt_match *match); int (*vendor_ext_provider)(long funcid, const struct sbi_trap_regs *regs, diff --git a/platform/generic/platform.c b/platform/generic/platform.c index fa400b9..f17e94e 100644 --- a/platform/generic/platform.c +++ b/platform/generic/platform.c @@ -267,6 +267,12 @@ static int generic_pmu_init(void) { int rc; + if (generic_plat && generic_plat->pmu_init) { + rc = generic_plat->pmu_init(generic_plat_match); + if (rc) + return rc; + } + rc = fdt_pmu_setup(fdt_get_address()); if (rc && rc != SBI_ENOENT) return rc; -- 2.34.1