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 32 #define ROCKCHIP_SIP_CONFIG_DRAM_INIT 0x00 33 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE 0x01 34 #define ROCKCHIP_SIP_CONFIG_DRAM_ROUND_RATE 0x02 35 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_AT_SR 0x03 36 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_BW 0x04 37 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_RATE 0x05 38 #define ROCKCHIP_SIP_CONFIG_DRAM_CLR_IRQ 0x06 39 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_PARAM 0x07 40 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_VERSION 0x08 41 #define ROCKCHIP_SIP_CONFIG_DRAM_POST_SET_RATE 0x09 42 #define ROCKCHIP_SIP_CONFIG_DRAM_SET_NOC_RL 0x0a 43 #define ROCKCHIP_SIP_CONFIG_DRAM_DEBUG 0x0b 44 #define ROCKCHIP_SIP_CONFIG_DRAM_MCU_START 0x0c 45 #define ROCKCHIP_SIP_CONFIG_DRAM_ECC 0x0d 46 #define ROCKCHIP_SIP_CONFIG_DRAM_GET_FREQ_INFO 0x0e 47 #define ROCKCHIP_SIP_CONFIG_DRAM_FSP_INIT 0x0f 48 49 /* Rockchip Sip version */ 50 #define SIP_IMPLEMENT_V1 (1) 51 #define SIP_IMPLEMENT_V2 (2) 52 53 /* Error return code */ 54 #define IS_SIP_ERROR(x) (!!(x)) 55 56 #define SIP_RET_SUCCESS 0 57 #define SIP_RET_SMC_UNKNOWN -1 58 #define SIP_RET_NOT_SUPPORTED -2 59 #define SIP_RET_INVALID_PARAMS -3 60 #define SIP_RET_INVALID_ADDRESS -4 61 #define SIP_RET_DENIED -5 62 63 /* SIP_ACCESS_REG: read or write */ 64 #define SECURE_REG_RD 0x0 65 #define SECURE_REG_WR 0x1 66 67 /* SIP_AMP_CFG */ 68 #define AMP_PE_STATE 0x0 69 #define AMP_BOOT_ARG01 0x1 70 #define AMP_BOOT_ARG23 0x2 71 72 /* Share mem page types */ 73 typedef enum { 74 SHARE_PAGE_TYPE_INVALID = 0, 75 SHARE_PAGE_TYPE_UARTDBG, 76 SHARE_PAGE_TYPE_DDR, 77 SHARE_PAGE_TYPE_DDRDBG, 78 SHARE_PAGE_TYPE_DDRECC, 79 SHARE_PAGE_TYPE_DDRFSP, 80 SHARE_PAGE_TYPE_LAST_LOG, 81 SHARE_PAGE_TYPE_MAX, 82 } share_page_type_t; 83 84 /* 85 * sip_smc_set_suspend_mode() - Set U-Boot system suspend state before trap to trust. 86 * 87 * see kernel-4.4: drivers/soc/rockchip/rockchip_pm_config.c 88 */ 89 int sip_smc_set_suspend_mode(unsigned long ctrl, 90 unsigned long config1, 91 unsigned long config2); 92 93 /* 94 * sip_smc_amp_cfg() - config AMP 95 */ 96 int sip_smc_amp_cfg(unsigned long func, unsigned long arg0, unsigned long arg1, 97 unsigned long arg2); 98 99 /* 100 * sip_smc_dram() - Set dram configure for trust. 101 * 102 * see: ./drivers/ram/rockchip/rockchip_dmc.c 103 */ 104 struct arm_smccc_res sip_smc_dram(unsigned long arg0, 105 unsigned long arg1, 106 unsigned long arg2); 107 108 /* 109 * sip_smc_request_share_mem() - Request share memory from trust. 110 * 111 * @page_num: page numbers 112 * @page_type: page type, see: share_page_type_t 113 * 114 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 115 * share memory base address), otherwise failed. 116 */ 117 struct arm_smccc_res sip_smc_request_share_mem(unsigned long page_num, 118 share_page_type_t page_type); 119 120 /* 121 * sip_smc_secure_reg_read() - Read secure info(ddr/register...) from trust. 122 * 123 * @addr_phy: address to read 124 * 125 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 126 * valid data), otherwise failed. 127 */ 128 struct arm_smccc_res sip_smc_secure_reg_read(unsigned long addr_phy); 129 130 /* 131 * sip_smc_secure_reg_write() - Write data to trust secure info(ddr/register...). 132 * 133 * @addr_phy: address to write 134 * @val: value to write 135 * 136 * @return 0 on success, otherwise failed. 137 */ 138 int sip_smc_secure_reg_write(unsigned long addr_phy, unsigned long val); 139 140 /* 141 * sip_smc_set_sip_version() - Set sip version to trust. 142 * 143 * @return 0 on success, otherwise failed. 144 */ 145 int sip_smc_set_sip_version(unsigned long version); 146 147 /* 148 * sip_smc_get_sip_version() - Get sip version to trust. 149 * 150 * @return arm_smccc_res structure, res.a0 equals 0 on success(res.a1 contains 151 * sip version), otherwise failed. 152 */ 153 struct arm_smccc_res sip_smc_get_sip_version(void); 154 155 /* 156 * psci_cpu_on() - Standard ARM PSCI cpu on call. 157 * 158 * @cpuid: cpu id 159 * @entry_point: boot entry point 160 * 161 * @return 0 on success, otherwise failed. 162 */ 163 int psci_cpu_on(unsigned long cpuid, unsigned long entry_point); 164 165 #ifdef CONFIG_ARM_CPU_SUSPEND 166 /* 167 * psci_system_suspend() - Standard ARM PSCI system suspend call. 168 * 169 * @unused: unused now, always 0 recommend 170 * 171 * @return 0 on success, otherwise failed. 172 */ 173 int psci_system_suspend(unsigned long unused); 174 #endif 175 176 #endif 177