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authorBin Meng <bmeng.cn@gmail.com>2017-04-21 07:24:31 -0700
committerBin Meng <bmeng.cn@gmail.com>2017-05-17 17:11:46 +0800
commit1206723b6e597f1aa946b800fc59059db91908bc (patch)
treef9d5e7076c01cf6ba4b1735f12d6fee437e26afe /arch/x86/include/asm
parentb7ef3bffffe05002e88419d4a3bfe8a56f937e70 (diff)
x86: fsp: acpi: Pass different boot mode to FSP init
When ACPI S3 resume is turned on, we should pass different boot mode to FSP init instead of default BOOT_FULL_CONFIG. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/acpi_s3.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_s3.h b/arch/x86/include/asm/acpi_s3.h
index 78c53ea2fb..ec052112f3 100644
--- a/arch/x86/include/asm/acpi_s3.h
+++ b/arch/x86/include/asm/acpi_s3.h
@@ -61,4 +61,22 @@ static inline enum acpi_sleep_state acpi_sleep_from_pm1(u32 pm1_cnt)
return -EINVAL;
}
+/**
+ * chipset_prev_sleep_state() - Get chipset previous sleep state
+ *
+ * This returns chipset previous sleep state from ACPI registers.
+ * Platform codes must supply this routine in order to support ACPI S3.
+ *
+ * @return ACPI_S0/S1/S2/S3/S4/S5.
+ */
+enum acpi_sleep_state chipset_prev_sleep_state(void);
+
+/**
+ * chipset_clear_sleep_state() - Clear chipset sleep state
+ *
+ * This clears chipset sleep state in ACPI registers.
+ * Platform codes must supply this routine in order to support ACPI S3.
+ */
+void chipset_clear_sleep_state(void);
+
#endif /* __ASM_ACPI_S3_H__ */