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Diffstat (limited to 'plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c')
-rw-r--r--plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c b/plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c
new file mode 100644
index 0000000..782aa5f
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <lib/mmio.h>
+#include <mtk_apusys.h>
+#include <plat/common/platform.h>
+
+uint64_t apusys_kernel_ctrl(uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4,
+ uint32_t *ret1)
+{
+ uint32_t request_ops;
+
+ request_ops = (uint32_t)x1;
+ INFO("[APUSYS] ops=0x%x\n", request_ops);
+
+ switch (request_ops) {
+ case MTK_SIP_APU_START_MCU:
+ /* setup addr[33:32] in reviser */
+ mmio_write_32(REVISER_SECUREFW_CTXT, 0U);
+ mmio_write_32(REVISER_USDRFW_CTXT, 0U);
+
+ /* setup secure sideband */
+ mmio_write_32(AO_SEC_FW,
+ (SEC_FW_NON_SECURE << SEC_FW_SHIFT_NS) |
+ (0U << SEC_FW_DOMAIN_SHIFT));
+
+ /* setup boot address */
+ mmio_write_32(AO_MD32_BOOT_CTRL, 0U);
+
+ /* setup pre-define region */
+ mmio_write_32(AO_MD32_PRE_DEFINE,
+ (PRE_DEFINE_CACHE_TCM << PRE_DEFINE_SHIFT_0G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_1G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_2G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_3G));
+
+ /* release runstall */
+ mmio_write_32(AO_MD32_SYS_CTRL, SYS_CTRL_RUN);
+
+ INFO("[APUSYS] reviser_ctxt=%x,%x\n",
+ mmio_read_32(REVISER_SECUREFW_CTXT),
+ mmio_read_32(REVISER_USDRFW_CTXT));
+ INFO("[APUSYS]fw=0x%08x,boot=0x%08x,def=0x%08x,sys=0x%08x\n",
+ mmio_read_32(AO_SEC_FW),
+ mmio_read_32(AO_MD32_BOOT_CTRL),
+ mmio_read_32(AO_MD32_PRE_DEFINE),
+ mmio_read_32(AO_MD32_SYS_CTRL));
+ break;
+ case MTK_SIP_APU_STOP_MCU:
+ /* hold runstall */
+ mmio_write_32(AO_MD32_SYS_CTRL, SYS_CTRL_STALL);
+
+ INFO("[APUSYS] md32_boot_ctrl=0x%08x,runstall=0x%08x\n",
+ mmio_read_32(AO_MD32_BOOT_CTRL),
+ mmio_read_32(AO_MD32_SYS_CTRL));
+ break;
+ default:
+ ERROR("%s, unknown request_ops = %x\n", __func__, request_ops);
+ break;
+ }
+
+ return 0UL;
+}