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authorRajat Jain <rajatja@google.com>2020-02-26 11:02:53 -0800
committerPatrick Georgi <pgeorgi@google.com>2020-03-02 11:40:23 +0000
commit310623b2dd192a44caa1a3ee9471127ec3d6cf5e (patch)
treeae6d12ea8d2bba6366ddb42d39a75181c7a761fb /src/arch/x86/include
parent4d9dd22bd1235717d623916f641ce69a6556a5b2 (diff)
arch/x86/acpigen: Add new helper routines for XOR and get_rx_gpio
Add new helper function in the acpigen library, that use the underlying soc routines. Change-Id: I8d65699d3c806007a50adcb51c5d84567ce451b7 Signed-off-by: Rajat Jain <rajatja@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39145 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Mathew King <mathewk@chromium.org>
Diffstat (limited to 'src/arch/x86/include')
-rw-r--r--src/arch/x86/include/arch/acpigen.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index 08075585ca..34c5197468 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -361,6 +361,7 @@ void acpigen_write_sleep(uint64_t sleep_ms);
void acpigen_write_store(void);
void acpigen_write_store_ops(uint8_t src, uint8_t dst);
void acpigen_write_or(uint8_t arg1, uint8_t arg2, uint8_t res);
+void acpigen_write_xor(uint8_t arg1, uint8_t arg2, uint8_t res);
void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res);
void acpigen_write_not(uint8_t arg, uint8_t res);
void acpigen_write_debug_string(const char *str);
@@ -472,6 +473,14 @@ int acpigen_soc_clear_tx_gpio(unsigned int gpio_num);
int acpigen_enable_tx_gpio(struct acpi_gpio *gpio);
int acpigen_disable_tx_gpio(struct acpi_gpio *gpio);
+/*
+ * Helper function for getting a RX GPIO value based on the GPIO polarity.
+ * The return value is stored in Local0 variable.
+ * This function ends up calling acpigen_soc_get_rx_gpio to make callbacks
+ * into SoC acpigen code
+ */
+void acpigen_get_rx_gpio(struct acpi_gpio *gpio);
+
/* refer to ACPI 6.4.3.5.3 Word Address Space Descriptor section for details */
void acpigen_resource_word(u16 res_type, u16 gen_flags, u16 type_flags, u16 gran,
u16 range_min, u16 range_max, u16 translation, u16 length);
@@ -481,4 +490,5 @@ void acpigen_resource_dword(u16 res_type, u16 gen_flags, u16 type_flags,
/* refer to ACPI 6.4.3.5.1 QWord Address Space Descriptor section for details */
void acpigen_resource_qword(u16 res_type, u16 gen_flags, u16 type_flags,
u64 gran, u64 range_min, u64 range_max, u64 translation, u64 length);
+
#endif