soc/mediatek: Move the MT8192 MCUPM driver to common

The MPUCM drivers can be shared by MT8192 and MT8195.

TEST=emerge-asurada coreboot;

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I07a66bcf5a149582f34df1cfd08b5514fc5c2eb9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54898
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/src/soc/mediatek/common/mcupm.c b/src/soc/mediatek/common/mcupm.c
new file mode 100644
index 0000000000..dde10e21ca
--- /dev/null
+++ b/src/soc/mediatek/common/mcupm.c
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <device/mmio.h>
+#include <soc/mcu_common.h>
+#include <soc/mcupm.h>
+#include <soc/symbols.h>
+
+#define ABNORMALBOOT_REG	0x0C55FAA0
+
+static void reset_mcupm(struct mtk_mcu *mcu)
+{
+	/* Clear abnormal boot register */
+	write32((void *)ABNORMALBOOT_REG, 0x0);
+	write32(&mcupm_reg->sw_rstn, 0x1);
+}
+
+static struct mtk_mcu mcupm = {
+	.firmware_name = CONFIG_MCUPM_FIRMWARE,
+	.run_address = (void *)MCUPM_SRAM_BASE,
+	.reset = reset_mcupm,
+};
+
+void mcupm_init(void)
+{
+	mcupm.load_buffer = _dram_dma;
+	mcupm.buffer_size = REGION_SIZE(dram_dma);
+
+	write32(&mcupm_reg->sw_rstn, 0x0);
+
+	if (mtk_init_mcu(&mcupm))
+		die("%s() failed\n", __func__);
+}