soc/intel: Factor out identical acpigen GPIO helpers

Change-Id: I27f198d403f6ba05ba72ae0652da224d4cbf323a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50938
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 1 insertions, 37 deletions

diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig
index 3b17a0ed88..b227ec2231 100644
--- a/src/soc/intel/elkhartlake/Kconfig
+++ b/src/soc/intel/elkhartlake/Kconfig
@@ -39,6 +39,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
 	select SOC_INTEL_COMMON_BLOCK
 	select SOC_INTEL_COMMON_BLOCK_ACPI
+	select SOC_INTEL_COMMON_BLOCK_ACPI_GPIO
 	select SOC_INTEL_COMMON_BLOCK_ACPI_LPIT
 	select SOC_INTEL_COMMON_BLOCK_CAR
 	select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
diff --git a/src/soc/intel/elkhartlake/acpi.c b/src/soc/intel/elkhartlake/acpi.c
index 12706c90af..0006b5fb2e 100644
--- a/src/soc/intel/elkhartlake/acpi.c
+++ b/src/soc/intel/elkhartlake/acpi.c
@@ -269,40 +269,3 @@ int soc_madt_sci_irq_polarity(int sci)
 {
 	return MP_IRQ_POLARITY_HIGH;
 }
-
-static int acpigen_soc_gpio_op(const char *op, unsigned int gpio_num)
-{
-	/* op (gpio_num) */
-	acpigen_emit_namestring(op);
-	acpigen_write_integer(gpio_num);
-	return 0;
-}
-
-static int acpigen_soc_get_gpio_state(const char *op, unsigned int gpio_num)
-{
-	/* Store (op (gpio_num), Local0) */
-	acpigen_write_store();
-	acpigen_soc_gpio_op(op, gpio_num);
-	acpigen_emit_byte(LOCAL0_OP);
-	return 0;
-}
-
-int acpigen_soc_read_rx_gpio(unsigned int gpio_num)
-{
-	return acpigen_soc_get_gpio_state("\\_SB.PCI0.GRXS", gpio_num);
-}
-
-int acpigen_soc_get_tx_gpio(unsigned int gpio_num)
-{
-	return acpigen_soc_get_gpio_state("\\_SB.PCI0.GTXS", gpio_num);
-}
-
-int acpigen_soc_set_tx_gpio(unsigned int gpio_num)
-{
-	return acpigen_soc_gpio_op("\\_SB.PCI0.STXS", gpio_num);
-}
-
-int acpigen_soc_clear_tx_gpio(unsigned int gpio_num)
-{
-	return acpigen_soc_gpio_op("\\_SB.PCI0.CTXS", gpio_num);
-}