GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef SNVS_H
+#define SNVS_H
+
+
+#ifndef __ASSEMBLER__
+
+#include <endian.h>
+#include <stdbool.h>
+
+#include <lib/mmio.h>
+
+struct snvs_regs {
+	uint32_t reserved1;
+	uint32_t hp_com;		/* 0x04 SNVS_HP Command Register */
+	uint32_t reserved2[3];
+	uint32_t hp_stat;		/* 0x14 SNVS_HP Status Register */
+};
+
+#ifdef NXP_SNVS_BE
+#define snvs_read32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define snvs_write32(a, v)       mmio_write_32((uintptr_t)(a), bswap32((v)))
+#elif defined(NXP_SNVS_LE)
+#define snvs_read32(a)           mmio_read_32((uintptr_t)(a))
+#define snvs_write32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define CCSR SNVS register endianness
+#endif
+
+void snvs_init(uintptr_t nxp_snvs_addr);
+uint32_t get_snvs_state(void);
+void transition_snvs_non_secure(void);
+void transition_snvs_soft_fail(void);
+uint32_t transition_snvs_trusted(void);
+uint32_t transition_snvs_secure(void);
+
+uint32_t snvs_read_lp_gpr_bit(uint32_t offset, uint32_t bit_pos);
+void snvs_write_lp_gpr_bit(uint32_t offset, uint32_t bit_pos, bool flag_val);
+
+void snvs_disable_zeroize_lp_gpr(void);
+
+#if defined(NXP_NV_SW_MAINT_LAST_EXEC_DATA) && defined(NXP_COINED_BB)
+uint32_t snvs_read_app_data(void);
+uint32_t snvs_read_app_data_bit(uint32_t bit_pos);
+void snvs_clear_app_data(void);
+void snvs_write_app_data_bit(uint32_t bit_pos);
+#endif
+
+#endif	/*  __ASSEMBLER__  */
+
+/* SSM_ST field in SNVS status reg */
+#define HPSTS_CHECK_SSM_ST	0x900	/* SNVS is in check state */
+#define HPSTS_NON_SECURE_SSM_ST	0xb00	/* SNVS is in non secure state */
+#define HPSTS_TRUST_SSM_ST	0xd00	/* SNVS is in trusted state */
+#define HPSTS_SECURE_SSM_ST	0xf00	/* SNVS is in secure state */
+#define HPSTS_SOFT_FAIL_SSM_ST	0x300	/* SNVS is in soft fail state */
+#define HPSTS_MASK_SSM_ST	0xf00	/* SSM_ST field mask in SNVS reg */
+
+/* SNVS register bits */
+#define HPCOM_SW_SV		0x100	/* Security Violation bit */
+#define HPCOM_SW_FSV		0x200	/* Fatal Security Violation bit */
+#define HPCOM_SSM_ST		0x1	/* SSM_ST field in SNVS command reg */
+#define HPCOM_SSM_ST_DIS	0x2	/* Disable Secure to Trusted State */
+#define HPCOM_SSM_SFNS_DIS	0x4	/* Disable Soft Fail to Non-Secure */
+
+#define NXP_LP_GPR0_OFFSET	0x90
+#define NXP_LPCR_OFFSET		0x38
+#define NXP_GPR_Z_DIS_BIT	24
+
+#ifdef NXP_COINED_BB
+
+#ifndef NXP_APP_DATA_LP_GPR_OFFSET
+#define NXP_APP_DATA_LP_GPR_OFFSET NXP_LP_GPR0_OFFSET
+#endif
+
+#define NXP_LPGPR_ZEROTH_BIT		0
+
+#endif	/* NXP_COINED_BB */
+
+#endif	/* SNVS_H  */