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authorzhanghailiang <zhang.zhanghailiang@huawei.com>2014-08-21 17:23:40 +0800
committerKevin O'Connor <kevin@koconnor.net>2014-08-22 21:13:21 -0400
commit2e73b1d9c5aaed696ed496203397ecacce1b2510 (patch)
treeb2688c2451d5b26799312b005e68dc7f63b171e7
parente710447ef1d2bd4e61e12b210039c00fbeacf624 (diff)
downloadseabios-2e73b1d9c5aaed696ed496203397ecacce1b2510.tar.gz
acpi: use specified macro instead of magic-number
Instead of magic numbers, use specified macros for FADT Fixed Feature Flags. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
-rw-r--r--src/fw/acpi.c16
-rw-r--r--src/std/acpi.h25
2 files changed, 35 insertions, 6 deletions
diff --git a/src/fw/acpi.c b/src/fw/acpi.c
index 47e4c072..ecd1adcf 100644
--- a/src/fw/acpi.c
+++ b/src/fw/acpi.c
@@ -59,9 +59,11 @@ static void piix4_fadt_setup(struct pci_device *pci, void *arg)
fadt->gpe0_blk_len = PIIX_GPE0_BLK_LEN;
fadt->plvl2_lat = cpu_to_le16(0xfff); // C2 state not supported
fadt->plvl3_lat = cpu_to_le16(0xfff); // C3 state not supported
- /* WBINVD + PROC_C1 + SLP_BUTTON + RTC_S4 + USE_PLATFORM_CLOCK */
- fadt->flags = cpu_to_le32((1 << 0) | (1 << 2) | (1 << 5) | (1 << 7) |
- (1 << 15));
+ fadt->flags = cpu_to_le32(ACPI_FADT_F_WBINVD |
+ ACPI_FADT_F_PROC_C1 |
+ ACPI_FADT_F_SLP_BUTTON |
+ ACPI_FADT_F_RTC_S4 |
+ ACPI_FADT_F_USE_PLATFORM_CLOCK);
}
/* PCI_VENDOR_ID_INTEL && PCI_DEVICE_ID_INTEL_ICH9_LPC */
@@ -85,9 +87,11 @@ static void ich9_lpc_fadt_setup(struct pci_device *dev, void *arg)
fadt->gpe0_blk_len = ICH9_PMIO_GPE0_BLK_LEN;
fadt->plvl2_lat = cpu_to_le16(0xfff); // C2 state not supported
fadt->plvl3_lat = cpu_to_le16(0xfff); // C3 state not supported
- /* WBINVD + PROC_C1 + SLP_BUTTON + RTC_S4 + USE_PLATFORM_CLOCK */
- fadt->flags = cpu_to_le32((1 << 0) | (1 << 2) | (1 << 5) | (1 << 7) |
- (1 << 15));
+ fadt->flags = cpu_to_le32(ACPI_FADT_F_WBINVD |
+ ACPI_FADT_F_PROC_C1 |
+ ACPI_FADT_F_SLP_BUTTON |
+ ACPI_FADT_F_RTC_S4 |
+ ACPI_FADT_F_USE_PLATFORM_CLOCK);
}
static const struct pci_device_id fadt_init_tbl[] = {
diff --git a/src/std/acpi.h b/src/std/acpi.h
index fad6ac2c..e0d9516b 100644
--- a/src/std/acpi.h
+++ b/src/std/acpi.h
@@ -42,6 +42,31 @@ struct rsdp_descriptor { /* Root System Descriptor Pointer */
u8 asl_compiler_id [4]; /* ASL compiler vendor ID */ \
u32 asl_compiler_revision; /* ASL compiler revision number */
+/*
+ * Fixed ACPI Description Table Fixed Feature Flags
+ */
+#define ACPI_FADT_F_WBINVD (1 << 0)
+#define ACPI_FADT_F_WBINVD_FLUSH (1 << 1)
+#define ACPI_FADT_F_PROC_C1 (1 << 2)
+#define ACPI_FADT_F_P_LVL2_UP (1 << 3)
+#define ACPI_FADT_F_PWR_BUTTON (1 << 4)
+#define ACPI_FADT_F_SLP_BUTTON (1 << 5)
+#define ACPI_FADT_F_FIX_RTC (1 << 6)
+#define ACPI_FADT_F_RTC_S4 (1 << 7)
+#define ACPI_FADT_F_TMR_VAL_EXT (1 << 8)
+#define ACPI_FADT_F_DCK_CAP (1 << 9)
+#define ACPI_FADT_F_RESET_REG_SUP (1 << 10)
+#define ACPI_FADT_F_SEALED_CASE (1 << 11)
+#define ACPI_FADT_F_HEADLESS (1 << 12)
+#define ACPI_FADT_F_CPU_SW_SLP (1 << 13)
+#define ACPI_FADT_F_PCI_EXP_WAK (1 << 14)
+#define ACPI_FADT_F_USE_PLATFORM_CLOCK (1 << 15)
+#define ACPI_FADT_F_S4_RTC_STS_VALID (1 << 16)
+#define ACPI_FADT_F_REMOTE_POWER_ON_CAPABLE (1 << 17)
+#define ACPI_FADT_F_FORCE_APIC_CLUSTER_MODEL (1 << 18)
+#define ACPI_FADT_F_FORCE_APIC_PHYSICAL_DESTINATION_MODE (1 << 19)
+#define ACPI_FADT_F_HW_REDUCED_ACPI (1 << 20)
+#define ACPI_FADT_F_LOW_POWER_S0_IDLE_CAPABLE (1 << 21)
/*
* ACPI 1.0 Fixed ACPI Description Table (FADT)