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[147.11.157.139]) by smtp.gmail.com with ESMTPSA id 4sm464843edt.64.2017.04.21.07.21.25 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 21 Apr 2017 07:21:26 -0700 (PDT) From: Bin Meng To: Simon Glass , Stefan Roese , U-Boot Mailing List Date: Fri, 21 Apr 2017 07:24:43 -0700 Message-Id: <1492784689-15701-17-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1492784689-15701-1-git-send-email-bmeng.cn@gmail.com> References: <1492784689-15701-1-git-send-email-bmeng.cn@gmail.com> Subject: [U-Boot] [PATCH v2 16/22] x86: acpi: Make enter_acpi_mode() public X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" enter_acpi_mode() is useful on other boot path like S3 resume, so make it public. Signed-off-by: Bin Meng Reviewed-by: Simon Glass --- Changes in v2: - add a function comment block for enter_acpi_mode() arch/x86/include/asm/acpi_table.h | 9 +++++++++ arch/x86/lib/acpi_table.c | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 20b906c..e96409b 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -316,6 +316,15 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u8 cpu, u16 flags, u8 lint); u32 acpi_fill_madt(u32 current); void acpi_create_gnvs(struct acpi_global_nvs *gnvs); +/** + * enter_acpi_mode() - enter into ACPI mode + * + * This programs the ACPI-defined PM1_CNT register to enable SCI interrupt + * so that the whole system swiches to ACPI mode. + * + * @pm1_cnt: PM1_CNT register I/O address + */ +void enter_acpi_mode(int pm1_cnt); ulong write_acpi_tables(ulong start); /** diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index 8be8120..87a71ca 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -304,7 +304,7 @@ static void acpi_create_mcfg(struct acpi_mcfg *mcfg) header->checksum = table_compute_checksum((void *)mcfg, header->length); } -static void enter_acpi_mode(int pm1_cnt) +void enter_acpi_mode(int pm1_cnt) { u16 val = inw(pm1_cnt);