From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c | 68 ++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c (limited to 'plat/mediatek/mt8192/drivers/apusys/mtk_apusys.c') 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 +#include +#include +#include +#include + +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; +} -- cgit v1.2.3