1 /*
2 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #ifndef MEMCTRL_V2_H
8 #define MEMCTRL_V2_H
9
10 #include <tegra_def.h>
11
12 #ifndef __ASSEMBLER__
13
14 #include <lib/mmio.h>
15 #include <stdint.h>
16
17 /*******************************************************************************
18 * Structure to hold the transaction override settings to use to override
19 * client inputs
20 ******************************************************************************/
21 typedef struct mc_txn_override_cfg {
22 uint32_t offset;
23 uint8_t cgid_tag;
24 } mc_txn_override_cfg_t;
25
26 #define mc_make_txn_override_cfg(off, val) \
27 { \
28 .offset = MC_TXN_OVERRIDE_CONFIG_ ## off, \
29 .cgid_tag = MC_TXN_OVERRIDE_ ## val \
30 }
31
32 /*******************************************************************************
33 * Structure to hold the Stream ID to use to override client inputs
34 ******************************************************************************/
35 typedef struct mc_streamid_override_cfg {
36 uint32_t offset;
37 uint8_t stream_id;
38 } mc_streamid_override_cfg_t;
39
40 /*******************************************************************************
41 * Structure to hold the Stream ID Security Configuration settings
42 ******************************************************************************/
43 typedef struct mc_streamid_security_cfg {
44 char *name;
45 uint32_t offset;
46 int override_enable;
47 int override_client_inputs;
48 int override_client_ns_flag;
49 } mc_streamid_security_cfg_t;
50
51 #define OVERRIDE_DISABLE 1U
52 #define OVERRIDE_ENABLE 0U
53 #define CLIENT_FLAG_SECURE 0U
54 #define CLIENT_FLAG_NON_SECURE 1U
55 #define CLIENT_INPUTS_OVERRIDE 1U
56 #define CLIENT_INPUTS_NO_OVERRIDE 0U
57 /*******************************************************************************
58 * StreamID to indicate no SMMU translations (requests to be steered on the
59 * SMMU bypass path)
60 ******************************************************************************/
61 #define MC_STREAM_ID_MAX 0x7FU
62
63 /*******************************************************************************
64 * Memory Controller SMMU Bypass config register
65 ******************************************************************************/
66 #define MC_SMMU_BYPASS_CONFIG 0x1820U
67 #define MC_SMMU_BYPASS_CTRL_MASK 0x3U
68 #define MC_SMMU_BYPASS_CTRL_SHIFT 0U
69 #define MC_SMMU_CTRL_TBU_BYPASS_ALL (0U << MC_SMMU_BYPASS_CTRL_SHIFT)
70 #define MC_SMMU_CTRL_TBU_RSVD (1U << MC_SMMU_BYPASS_CTRL_SHIFT)
71 #define MC_SMMU_CTRL_TBU_BYPASS_SPL_STREAMID (2U << MC_SMMU_BYPASS_CTRL_SHIFT)
72 #define MC_SMMU_CTRL_TBU_BYPASS_NONE (3U << MC_SMMU_BYPASS_CTRL_SHIFT)
73 #define MC_SMMU_BYPASS_CONFIG_WRITE_ACCESS_BIT (1U << 31)
74 #define MC_SMMU_BYPASS_CONFIG_SETTINGS (MC_SMMU_BYPASS_CONFIG_WRITE_ACCESS_BIT | \
75 MC_SMMU_CTRL_TBU_BYPASS_SPL_STREAMID)
76
77 #define mc_make_sec_cfg(off, ns, ovrrd, access) \
78 { \
79 .name = # off, \
80 .offset = MC_STREAMID_OVERRIDE_TO_SECURITY_CFG( \
81 MC_STREAMID_OVERRIDE_CFG_ ## off), \
82 .override_client_ns_flag = CLIENT_FLAG_ ## ns, \
83 .override_client_inputs = CLIENT_INPUTS_ ## ovrrd, \
84 .override_enable = OVERRIDE_ ## access \
85 }
86
87 /*******************************************************************************
88 * Structure to hold Memory Controller's Configuration settings
89 ******************************************************************************/
90 typedef struct tegra_mc_settings {
91 const uint32_t *streamid_override_cfg;
92 uint32_t num_streamid_override_cfgs;
93 const mc_streamid_security_cfg_t *streamid_security_cfg;
94 uint32_t num_streamid_security_cfgs;
95 const mc_txn_override_cfg_t *txn_override_cfg;
96 uint32_t num_txn_override_cfgs;
97 void (*reconfig_mss_clients)(void);
98 void (*set_txn_overrides)(void);
99 } tegra_mc_settings_t;
100
tegra_mc_read_32(uint32_t off)101 static inline uint32_t tegra_mc_read_32(uint32_t off)
102 {
103 return mmio_read_32(TEGRA_MC_BASE + off);
104 }
105
tegra_mc_write_32(uint32_t off,uint32_t val)106 static inline void tegra_mc_write_32(uint32_t off, uint32_t val)
107 {
108 mmio_write_32(TEGRA_MC_BASE + off, val);
109 }
110
tegra_mc_streamid_read_32(uint32_t off)111 static inline uint32_t tegra_mc_streamid_read_32(uint32_t off)
112 {
113 return mmio_read_32(TEGRA_MC_STREAMID_BASE + off);
114 }
115
tegra_mc_streamid_write_32(uint32_t off,uint32_t val)116 static inline void tegra_mc_streamid_write_32(uint32_t off, uint32_t val)
117 {
118 mmio_write_32(TEGRA_MC_STREAMID_BASE + off, val);
119 }
120
121 #define mc_set_pcfifo_unordered_boot_so_mss(id, client) \
122 ((uint32_t)~MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_MASK | \
123 MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_UNORDERED)
124
125 #define mc_set_pcfifo_ordered_boot_so_mss(id, client) \
126 MC_PCFIFO_CLIENT_CONFIG##id##_PCFIFO_##client##_ORDERED
127
128 #define mc_set_tsa_passthrough(client) \
129 { \
130 mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSW_##client, \
131 (TSA_CONFIG_STATIC0_CSW_##client##_RESET & \
132 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
133 (uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
134 }
135
136 #define mc_set_tsa_w_passthrough(client) \
137 { \
138 mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSW_##client, \
139 (TSA_CONFIG_STATIC0_CSW_RESET_W & \
140 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
141 (uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
142 }
143
144 #define mc_set_tsa_r_passthrough(client) \
145 { \
146 mmio_write_32(TEGRA_TSA_BASE + TSA_CONFIG_STATIC0_CSR_##client, \
147 (TSA_CONFIG_STATIC0_CSR_RESET_R & \
148 (uint32_t)~TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_MASK) | \
149 (uint32_t)TSA_CONFIG_CSW_MEMTYPE_OVERRIDE_PASTHRU); \
150 }
151
152 #define mc_set_txn_override(client, normal_axi_id, so_dev_axi_id, normal_override, so_dev_override) \
153 { \
154 tegra_mc_write_32(MC_TXN_OVERRIDE_CONFIG_##client, \
155 MC_TXN_OVERRIDE_##normal_axi_id | \
156 MC_TXN_OVERRIDE_CONFIG_COH_PATH_##so_dev_override##_SO_DEV | \
157 MC_TXN_OVERRIDE_CONFIG_COH_PATH_##normal_override##_NORMAL | \
158 MC_TXN_OVERRIDE_CONFIG_CGID_##so_dev_axi_id); \
159 }
160
161 /*******************************************************************************
162 * Handler to read memory configuration settings
163 *
164 * Implemented by SoCs under tegra/soc/txxx
165 ******************************************************************************/
166 tegra_mc_settings_t *tegra_get_mc_settings(void);
167
168 /*******************************************************************************
169 * Handler to program the scratch registers with TZDRAM settings for the
170 * resume firmware.
171 *
172 * Implemented by SoCs under tegra/soc/txxx
173 ******************************************************************************/
174 void plat_memctrl_tzdram_setup(uint64_t phys_base, uint64_t size_in_bytes);
175
176 #endif /* __ASSEMBLER__ */
177
178 #endif /* MEMCTRL_V2_H */
179