1 /* 2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __ROCKCHIP_SMCCC_H__ 8 #define __ROCKCHIP_SMCCC_H__ 9 10 #include <linux/arm-smccc.h> 11 12 /* Rockchip platform SiP call ID */ 13 #define SIP_ATF_VERSION 0x82000001 14 #define SIP_ACCESS_REG 0x82000002 15 #define SIP_SUSPEND_MODE 0x82000003 16 #define SIP_PENDING_CPUS 0x82000004 17 #define SIP_UARTDBG_CFG 0x82000005 18 #define SIP_UARTDBG_CFG64 0xc2000005 19 #define SIP_MCU_EL3FIQ_CFG 0x82000006 20 #define SIP_ACCESS_CHIP_STATE64 0xc2000006 21 #define SIP_SECURE_MEM_CONFIG 0x82000007 22 #define SIP_ACCESS_CHIP_EXTRA_STATE64 0xc2000007 23 #define SIP_DRAM_CONFIG 0x82000008 24 #define SIP_SHARE_MEM 0x82000009 25 #define SIP_SIP_VERSION 0x8200000a 26 #define SIP_REMOTECTL_CFG 0x8200000b 27 #define SIP_VPU_RESET 0x8200000c 28 #define SIP_SOC_BUS_DIV 0x8200000d 29 #define SIP_LAST_LOG 0x8200000e 30 #define SIP_AMP_CFG 0x82000022 31 #define SIP_HDCP_CONFIG 0x82000025 32 33 #define ROCKCHIP_SIP_CONFIG_DRAM_INIT 0x00 34 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE 0x01 35 #define ROCKCHIP_SIP_CONFIG_DRAM_ROUND_RATE 0x02 36 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_AT_SR 0x03 37 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_BW 0x04 38 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_RATE 0x05 39 #define ROCKCHIP_SIP_CONFIG_DRAM_CLR_IRQ 0x06 40 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_PARAM 0x07 41 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_VERSION 0x08 42 #define ROCKCHIP_SIP_CONFIG_DRAM_POST_SET_RATE 0x09 43 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_NOC_RL 0x0a 44 #define ROCKCHIP_SIP_CONFIG_DRAM_DEBUG 0x0b 45 #define ROCKCHIP_SIP_CONFIG_DRAM_MCU_START 0x0c 46 #define ROCKCHIP_SIP_CONFIG_DRAM_ECC 0x0d 47 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_FREQ_INFO 0x0e 48 #define ROCKCHIP_SIP_CONFIG_DRAM_FSP_INIT 0x0f 49 50 /* Rockchip Sip version */ 51 #define SIP_IMPLEMENT_V1 (1) 52 #define SIP_IMPLEMENT_V2 (2) 53 54 /* Error return code */ 55 #define IS_SIP_ERROR(x) (!!(x)) 56 57 #define SIP_RET_SUCCESS 0 58 #define SIP_RET_SMC_UNKNOWN -1 59 #define SIP_RET_NOT_SUPPORTED -2 60 #define SIP_RET_INVALID_PARAMS -3 61 #define SIP_RET_INVALID_ADDRESS -4 62 #define SIP_RET_DENIED -5 63 64 /* SIP_ACCESS_REG: read or write */ 65 #define SECURE_REG_RD 0x0 66 #define SECURE_REG_WR 0x1 67 68 /* SIP_AMP_CFG */ 69 #define AMP_PE_STATE 0x0 70 #define AMP_BOOT_ARG01 0x1 71 #define AMP_BOOT_ARG23 0x2 72 73 /* Share mem page types */ 74 typedef enum { 75 SHARE_PAGE_TYPE_INVALID = 0, 76 SHARE_PAGE_TYPE_UARTDBG, 77 SHARE_PAGE_TYPE_DDR, 78 SHARE_PAGE_TYPE_DDRDBG, 79 SHARE_PAGE_TYPE_DDRECC, 80 SHARE_PAGE_TYPE_DDRFSP, 81 SHARE_PAGE_TYPE_DDR_ADDRMAP, 82 SHARE_PAGE_TYPE_LAST_LOG, 83 SHARE_PAGE_TYPE_HDCP, 84 SHARE_PAGE_TYPE_MAX, 85 } share_page_type_t; 86 87 /* hdcp config func */ 88 typedef enum { 89 HDCP_FUNC_STORAGE_ENCRYPT = 1, 90 HDCP_FUNC_KEY_DECRYPT, 91 HDCP_FUNC_KEY_LOAD, 92 HDCP_FUNC_ENCRYPT_MODE 93 } sip_hdcp_func_t; 94 95 /* 96 * sip_smc_set_suspend_mode() - Set U-Boot system suspend state before trap to trust. 97 * 98 * see kernel-4.4: drivers/soc/rockchip/rockchip_pm_config.c 99 */ 100 int sip_smc_set_suspend_mode(unsigned long ctrl, 101 unsigned long config1, 102 unsigned long config2); 103 104 /* 105 * sip_smc_amp_cfg() - config AMP 106 */ 107 int sip_smc_amp_cfg(unsigned long func, unsigned long arg0, unsigned long arg1, 108 unsigned long arg2); 109 110 /* 111 * sip_smc_dram() - Set dram configure for trust. 112 * 113 * see: ./drivers/ram/rockchip/rockchip_dmc.c 114 */ 115 struct arm_smccc_res sip_smc_dram(unsigned long arg0, 116 unsigned long arg1, 117 unsigned long arg2); 118 119 /* 120 * sip_smc_request_share_mem() - Request share memory from trust. 121 * 122 * @page_num: page numbers 123 * @page_type: page type, see: share_page_type_t 124 * 125 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 126 * share memory base address), otherwise failed. 127 */ 128 struct arm_smccc_res sip_smc_request_share_mem(unsigned long page_num, 129 share_page_type_t page_type); 130 131 /* 132 * sip_smc_secure_reg_read() - Read secure info(ddr/register...) from trust. 133 * 134 * @addr_phy: address to read 135 * 136 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 137 * valid data), otherwise failed. 138 */ 139 struct arm_smccc_res sip_smc_secure_reg_read(unsigned long addr_phy); 140 141 /* 142 * sip_smc_secure_reg_write() - Write data to trust secure info(ddr/register...). 143 * 144 * @addr_phy: address to write 145 * @val: value to write 146 * 147 * @return 0 on success, otherwise failed. 148 */ 149 int sip_smc_secure_reg_write(unsigned long addr_phy, unsigned long val); 150 151 /* 152 * sip_smc_set_sip_version() - Set sip version to trust. 153 * 154 * @return 0 on success, otherwise failed. 155 */ 156 int sip_smc_set_sip_version(unsigned long version); 157 158 /* 159 * sip_smc_get_sip_version() - Get sip version to trust. 160 * 161 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 162 * sip version), otherwise failed. 163 */ 164 struct arm_smccc_res sip_smc_get_sip_version(void); 165 166 /* 167 * sip_smc_hdcp_config() - handle hdcp. 168 * 169 * @return 0 on success, otherwise failed. 170 */ 171 int sip_smc_hdcp_config(unsigned long func, 172 unsigned long arg1, unsigned long arg2); 173 174 /* 175 * psci_cpu_on() - Standard ARM PSCI cpu on call. 176 * 177 * @cpuid: cpu id 178 * @entry_point: boot entry point 179 * 180 * @return 0 on success, otherwise failed. 181 */ 182 int psci_cpu_on(unsigned long cpuid, unsigned long entry_point); 183 184 #ifdef CONFIG_ARM_CPU_SUSPEND 185 /* 186 * psci_system_suspend() - Standard ARM PSCI system suspend call. 187 * 188 * @unused: unused now, always 0 recommend 189 * 190 * @return 0 on success, otherwise failed. 191 */ 192 int psci_system_suspend(unsigned long unused); 193 #endif 194 195 #endif 196