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