83 lines
1.7 KiB
C
83 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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/*
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* GenieZone (hypervisor-based seucrity platform) enables hardware protected
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* and isolated security execution environment, includes
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* 1. GZ hypervisor
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* 2. Hypervisor-TEE OS (built-in Trusty OS)
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* 3. Drivers (ex: debug, communication and interrupt) for GZ and
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* hypervisor-TEE OS
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* 4. GZ and hypervisor-TEE and GZ framework (supporting multiple TEE
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* ecosystem, ex: M-TEE, Trusty, GlobalPlatform, ...)
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*/
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#include "gz_vreg_ut.h"
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#include <linux/io.h>
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#include <linux/printk.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/platform_device.h>
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#define KREE_DEBUG(fmt...) pr_info("[SM_kUT]" fmt)
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#define KREE_INFO(fmt...) pr_info("[SM_kUT]" fmt)
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#define KREE_ERR(fmt...) pr_info("[SM_kUT][ERR]" fmt)
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/*vreg: the same setting in gz*/
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#define test_vreg_src_pa 0x1070A000 /*can modify*/
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#define test_vreg_basic_size 0x1000 /*can modify*/
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#define VREG_BASE_dyn_map (test_vreg_src_pa + 1 * test_vreg_basic_size)
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#define WORD_WIDTH 4 /*32-bit*/
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DEFINE_MUTEX(vreg_ut_mutex);
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#define fg_test 0
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int gz_test_vreg_main(void)
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{
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#if fg_test
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void __iomem *io;
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uint32_t v;
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KREE_INFO("==> %s run\n", __func__);
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io = ioremap_wc(VREG_BASE_dyn_map, test_vreg_basic_size);
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if (!io) {
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KREE_ERR("[%s] ioremap_wc fail\n", __func__);
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goto out;
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}
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writel(0x2, io + (2 * WORD_WIDTH));
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v = readl(io + (2 * WORD_WIDTH));
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KREE_INFO("[%s] read[0x%llx]=0x%x\n", __func__,
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(uint64_t) (io + (2 * WORD_WIDTH)), v);
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if (io)
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iounmap(io);
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out:
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#endif
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KREE_INFO("[%s] no test here.\n", __func__);
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return 0;
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}
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int gz_test_vreg(void *args)
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{
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mutex_lock(&vreg_ut_mutex);
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gz_test_vreg_main();
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mutex_unlock(&vreg_ut_mutex);
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return 0;
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}
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