soc/amd: introduce and use common amd_cpu_bus_ops struct

The device operations for the CPU bus are identical for all AMD SoCs, so
introduce a common device operations struct for this and use it in all
AMD SoC's chipset devicetrees as ops for the CPU cluster.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Id32f89b8a33db8dbb747b917eeac3009fbae6631
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71998
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/soc/amd/common/block/cpu/cpu.c b/src/soc/amd/common/block/cpu/cpu.c
index 7c1daf96f1..1e1915f98f 100644
--- a/src/soc/amd/common/block/cpu/cpu.c
+++ b/src/soc/amd/common/block/cpu/cpu.c
@@ -1,9 +1,18 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <acpi/acpi.h>
 #include <amdblocks/cpu.h>
 #include <cpu/cpu.h>
+#include <device/device.h>
 
 int get_cpu_count(void)
 {
 	return 1 + (cpuid_ecx(0x80000008) & 0xff);
 }
+
+struct device_operations amd_cpu_bus_ops = {
+	.read_resources	= noop_read_resources,
+	.set_resources	= noop_set_resources,
+	.init		= mp_cpu_bus_init,
+	.acpi_fill_ssdt	= generate_cpu_entries,
+};