soc/amd/picasso: move acpigen_dptc_call_alib to new common alib

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ib0f7da12429b6278d1e4bc5d6650c7ee0f3b5209
Reviewed-on: https://review.coreboot.org/c/coreboot/+/53940
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

6 files changed, 27 insertions, 14 deletions

diff --git a/src/soc/amd/common/block/acpi/Kconfig b/src/soc/amd/common/block/acpi/Kconfig
index 716610e37084..846db889d8c0 100644
--- a/src/soc/amd/common/block/acpi/Kconfig
+++ b/src/soc/amd/common/block/acpi/Kconfig
@@ -5,5 +5,8 @@ config SOC_AMD_COMMON_BLOCK_ACPI
 	help
 	  Select this option to use the AcpiMmio ACPI registers.
 
+config SOC_AMD_COMMON_BLOCK_ACPI_ALIB
+	bool
+
 config SOC_AMD_COMMON_BLOCK_ACPI_GPIO
 	bool
diff --git a/src/soc/amd/common/block/acpi/Makefile.inc b/src/soc/amd/common/block/acpi/Makefile.inc
index e14dba217515..9f774d477091 100644
--- a/src/soc/amd/common/block/acpi/Makefile.inc
+++ b/src/soc/amd/common/block/acpi/Makefile.inc
@@ -9,6 +9,7 @@ smm-y += acpi.c
 
 ramstage-y += pm_state.c
 ramstage-y += tables.c
+ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPI_ALIB) += alib.c
 ramstage-$(CONFIG_SOC_AMD_COMMON_BLOCK_ACPI_GPIO) += gpio.c
 
 endif # CONFIG_SOC_AMD_COMMON_BLOCK_ACPI
diff --git a/src/soc/amd/common/block/acpi/alib.c b/src/soc/amd/common/block/acpi/alib.c
new file mode 100644
index 000000000000..5e1e8fb443d7
--- /dev/null
+++ b/src/soc/amd/common/block/acpi/alib.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpigen.h>
+#include <amdblocks/alib.h>
+#include <types.h>
+
+void acpigen_dptc_call_alib(const char *buf_name, uint8_t *buffer, size_t size)
+{
+	/* Name (buf_name, Buffer(size) {...} */
+	acpigen_write_name(buf_name);
+	acpigen_write_byte_buffer(buffer, size);
+
+	/* \_SB.ALIB(0xc, buf_name) */
+	acpigen_emit_namestring("\\_SB.ALIB");
+	acpigen_write_integer(ALIB_FUNCTION_DYNAMIC_POWER_THERMAL_CONFIG);
+	acpigen_emit_namestring(buf_name);
+}
diff --git a/src/soc/amd/common/block/include/amdblocks/alib.h b/src/soc/amd/common/block/include/amdblocks/alib.h
index 5e929248fdbd..b9d34c58600a 100644
--- a/src/soc/amd/common/block/include/amdblocks/alib.h
+++ b/src/soc/amd/common/block/include/amdblocks/alib.h
@@ -21,6 +21,8 @@ struct alib_dptc_param {
 	uint32_t value;
 } __packed;
 
+void acpigen_dptc_call_alib(const char *buf_name, uint8_t *buffer, size_t size);
+
 #endif /* !__ACPI__ */
 
 #endif /* AMD_COMMON_ALIB_H */
diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index 2f36f2e4ab09..e69fb62c19c9 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -28,6 +28,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_AMD_COMMON_BLOCK_ACP
 	select SOC_AMD_COMMON_BLOCK_ACPI
 	select SOC_AMD_COMMON_BLOCK_ACPIMMIO
+	select SOC_AMD_COMMON_BLOCK_ACPI_ALIB
 	select SOC_AMD_COMMON_BLOCK_ACPI_GPIO
 	select SOC_AMD_COMMON_BLOCK_AOAC
 	select SOC_AMD_COMMON_BLOCK_APOB
diff --git a/src/soc/amd/picasso/root_complex.c b/src/soc/amd/picasso/root_complex.c
index 979da3ec255b..3517e3d66662 100644
--- a/src/soc/amd/picasso/root_complex.c
+++ b/src/soc/amd/picasso/root_complex.c
@@ -177,18 +177,6 @@ static void root_complex_init(struct device *dev)
 	setup_ioapic((u8 *)GNB_IO_APIC_ADDR, GNB_IOAPIC_ID);
 }
 
-static void dptc_call_alib(const char *buf_name, uint8_t *buffer, size_t size)
-{
-	/* Name (buf_name, Buffer(size) {...} */
-	acpigen_write_name(buf_name);
-	acpigen_write_byte_buffer(buffer, size);
-
-	/* \_SB.ALIB(0xc, buf_name) */
-	acpigen_emit_namestring("\\_SB.ALIB");
-	acpigen_write_integer(ALIB_FUNCTION_DYNAMIC_POWER_THERMAL_CONFIG);
-	acpigen_emit_namestring(buf_name);
-}
-
 static void acipgen_dptci(void)
 {
 	const struct soc_amd_picasso_config *config = config_of_soc();
@@ -214,13 +202,14 @@ static void acipgen_dptci(void)
 	/* If (LEqual ("\_SB.PCI0.LPCB.EC0.TBMD", 1)) */
 	acpigen_write_if_lequal_namestr_int("\\_SB.PCI0.LPCB.EC0.TBMD", 1);
 
-	dptc_call_alib("TABB", (uint8_t *)(void *)&tablet_mode_input,
+	acpigen_dptc_call_alib("TABB", (uint8_t *)(void *)&tablet_mode_input,
 			sizeof(tablet_mode_input));
 
 	/* Else */
 	acpigen_write_else();
 
-	dptc_call_alib("DEFB", (uint8_t *)(void *)&default_input, sizeof(default_input));
+	acpigen_dptc_call_alib("DEFB", (uint8_t *)(void *)&default_input,
+			sizeof(default_input));
 
 	acpigen_pop_len(); /* Else */