soc/amd: factor out common eMMC code

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If5447f9272183f83bc422520ada93d3cfd96551e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68415
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/soc/amd/common/block/emmc/emmc.c b/src/soc/amd/common/block/emmc/emmc.c
new file mode 100644
index 0000000000..ee612e4110
--- /dev/null
+++ b/src/soc/amd/common/block/emmc/emmc.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/aoac.h>
+#include <device/device.h>
+#include <soc/aoac_defs.h>
+
+static void emmc_read_resources(struct device *dev)
+{
+	mmio_resource_kb(dev, 0, dev->path.mmio.addr / KiB, 4);
+}
+
+static void emmc_enable(struct device *dev)
+{
+	if (!dev->enabled)
+		power_off_aoac_device(FCH_AOAC_DEV_EMMC);
+}
+
+struct device_operations amd_emmc_mmio_ops = {
+	.read_resources = emmc_read_resources,
+	.set_resources = noop_set_resources,
+	.scan_bus = scan_static_bus,
+	.enable = emmc_enable,
+};