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