Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 Marvell International Ltd. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * https://spdx.org/licenses |
| 6 | */ |
| 7 | |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | #include <common/debug.h> |
| 9 | #include <common/runtime_svc.h> |
| 10 | #include <drivers/marvell/cache_llc.h> |
| 11 | #include <drivers/marvell/mochi/ap_setup.h> |
Konstantin Porotchkin | 7b9e4d4 | 2020-07-26 17:49:54 +0300 | [diff] [blame] | 12 | #include <drivers/rambus/trng_ip_76.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 13 | #include <lib/smccc.h> |
| 14 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 15 | #include <marvell_plat_priv.h> |
Marcin Wojtas | 0c60c2f | 2018-03-21 09:59:59 +0100 | [diff] [blame] | 16 | #include <plat_marvell.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 17 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 18 | #include "comphy/phy-comphy-cp110.h" |
Grzegorz Jaszczyk | a3173d6 | 2019-12-18 15:58:27 +0100 | [diff] [blame^] | 19 | #include "secure_dfx_access/dfx.h" |
Grzegorz Jaszczyk | 0988f38 | 2019-04-04 17:16:39 +0200 | [diff] [blame] | 20 | #include <stdbool.h> |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 21 | |
| 22 | /* #define DEBUG_COMPHY */ |
| 23 | #ifdef DEBUG_COMPHY |
| 24 | #define debug(format...) NOTICE(format) |
| 25 | #else |
| 26 | #define debug(format, arg...) |
| 27 | #endif |
| 28 | |
| 29 | /* Comphy related FID's */ |
| 30 | #define MV_SIP_COMPHY_POWER_ON 0x82000001 |
| 31 | #define MV_SIP_COMPHY_POWER_OFF 0x82000002 |
| 32 | #define MV_SIP_COMPHY_PLL_LOCK 0x82000003 |
| 33 | #define MV_SIP_COMPHY_XFI_TRAIN 0x82000004 |
| 34 | #define MV_SIP_COMPHY_DIG_RESET 0x82000005 |
| 35 | |
| 36 | /* Miscellaneous FID's' */ |
| 37 | #define MV_SIP_DRAM_SIZE 0x82000010 |
| 38 | #define MV_SIP_LLC_ENABLE 0x82000011 |
Marcin Wojtas | 0c60c2f | 2018-03-21 09:59:59 +0100 | [diff] [blame] | 39 | #define MV_SIP_PMU_IRQ_ENABLE 0x82000012 |
| 40 | #define MV_SIP_PMU_IRQ_DISABLE 0x82000013 |
Grzegorz Jaszczyk | a3173d6 | 2019-12-18 15:58:27 +0100 | [diff] [blame^] | 41 | #define MV_SIP_DFX 0x82000014 |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 42 | |
Konstantin Porotchkin | 7b9e4d4 | 2020-07-26 17:49:54 +0300 | [diff] [blame] | 43 | /* TRNG */ |
| 44 | #define MV_SIP_RNG_64 0xC200FF11 |
| 45 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 46 | #define MAX_LANE_NR 6 |
| 47 | #define MVEBU_COMPHY_OFFSET 0x441000 |
Grzegorz Jaszczyk | 0988f38 | 2019-04-04 17:16:39 +0200 | [diff] [blame] | 48 | #define MVEBU_CP_BASE_MASK (~0xffffff) |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 49 | |
| 50 | /* This macro is used to identify COMPHY related calls from SMC function ID */ |
| 51 | #define is_comphy_fid(fid) \ |
| 52 | ((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_DIG_RESET) |
| 53 | |
Grzegorz Jaszczyk | 0988f38 | 2019-04-04 17:16:39 +0200 | [diff] [blame] | 54 | _Bool is_cp_range_valid(u_register_t *addr) |
| 55 | { |
| 56 | int cp_nr; |
| 57 | |
| 58 | *addr &= MVEBU_CP_BASE_MASK; |
| 59 | for (cp_nr = 0; cp_nr < CP_NUM; cp_nr++) { |
| 60 | if (*addr == MVEBU_CP_REGS_BASE(cp_nr)) |
| 61 | return true; |
| 62 | } |
| 63 | |
| 64 | return false; |
| 65 | } |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 66 | |
| 67 | uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid, |
| 68 | u_register_t x1, |
| 69 | u_register_t x2, |
| 70 | u_register_t x3, |
| 71 | u_register_t x4, |
| 72 | void *cookie, |
| 73 | void *handle, |
| 74 | u_register_t flags) |
| 75 | { |
Grzegorz Jaszczyk | a3173d6 | 2019-12-18 15:58:27 +0100 | [diff] [blame^] | 76 | u_register_t ret, read; |
Konstantin Porotchkin | 7b9e4d4 | 2020-07-26 17:49:54 +0300 | [diff] [blame] | 77 | uint32_t w2[2] = {0, 0}; |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 78 | int i; |
| 79 | |
| 80 | debug("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx, x3 0x%lx\n", |
| 81 | __func__, smc_fid, x1, x2, x3); |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 82 | |
Grzegorz Jaszczyk | 0988f38 | 2019-04-04 17:16:39 +0200 | [diff] [blame] | 83 | if (is_comphy_fid(smc_fid)) { |
| 84 | /* validate address passed via x1 */ |
| 85 | if (!is_cp_range_valid(&x1)) { |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 86 | ERROR("%s: Wrong smc (0x%x) address: %lx\n", |
| 87 | __func__, smc_fid, x1); |
| 88 | SMC_RET1(handle, SMC_UNK); |
| 89 | } |
| 90 | |
Grzegorz Jaszczyk | 0988f38 | 2019-04-04 17:16:39 +0200 | [diff] [blame] | 91 | x1 += MVEBU_COMPHY_OFFSET; |
| 92 | |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 93 | if (x2 >= MAX_LANE_NR) { |
| 94 | ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n", |
| 95 | __func__, smc_fid, x2); |
| 96 | SMC_RET1(handle, SMC_UNK); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | switch (smc_fid) { |
| 101 | |
| 102 | /* Comphy related FID's */ |
| 103 | case MV_SIP_COMPHY_POWER_ON: |
| 104 | /* x1: comphy_base, x2: comphy_index, x3: comphy_mode */ |
| 105 | ret = mvebu_cp110_comphy_power_on(x1, x2, x3); |
| 106 | SMC_RET1(handle, ret); |
| 107 | case MV_SIP_COMPHY_POWER_OFF: |
| 108 | /* x1: comphy_base, x2: comphy_index */ |
Igal Liberman | bd51efd | 2018-11-15 16:13:11 +0200 | [diff] [blame] | 109 | ret = mvebu_cp110_comphy_power_off(x1, x2, x3); |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 110 | SMC_RET1(handle, ret); |
| 111 | case MV_SIP_COMPHY_PLL_LOCK: |
| 112 | /* x1: comphy_base, x2: comphy_index */ |
| 113 | ret = mvebu_cp110_comphy_is_pll_locked(x1, x2); |
| 114 | SMC_RET1(handle, ret); |
| 115 | case MV_SIP_COMPHY_XFI_TRAIN: |
| 116 | /* x1: comphy_base, x2: comphy_index */ |
| 117 | ret = mvebu_cp110_comphy_xfi_rx_training(x1, x2); |
| 118 | SMC_RET1(handle, ret); |
| 119 | case MV_SIP_COMPHY_DIG_RESET: |
| 120 | /* x1: comphy_base, x2: comphy_index, x3: mode, x4: command */ |
| 121 | ret = mvebu_cp110_comphy_digital_reset(x1, x2, x3, x4); |
| 122 | SMC_RET1(handle, ret); |
| 123 | |
| 124 | /* Miscellaneous FID's' */ |
| 125 | case MV_SIP_DRAM_SIZE: |
Grzegorz Jaszczyk | 5339f6f | 2019-04-04 17:20:05 +0200 | [diff] [blame] | 126 | ret = mvebu_get_dram_size(MVEBU_REGS_BASE); |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 127 | SMC_RET1(handle, ret); |
| 128 | case MV_SIP_LLC_ENABLE: |
| 129 | for (i = 0; i < ap_get_count(); i++) |
| 130 | llc_runtime_enable(i); |
| 131 | |
| 132 | SMC_RET1(handle, 0); |
Marcin Wojtas | 0c60c2f | 2018-03-21 09:59:59 +0100 | [diff] [blame] | 133 | #ifdef MVEBU_PMU_IRQ_WA |
| 134 | case MV_SIP_PMU_IRQ_ENABLE: |
| 135 | mvebu_pmu_interrupt_enable(); |
| 136 | SMC_RET1(handle, 0); |
| 137 | case MV_SIP_PMU_IRQ_DISABLE: |
| 138 | mvebu_pmu_interrupt_disable(); |
| 139 | SMC_RET1(handle, 0); |
| 140 | #endif |
Grzegorz Jaszczyk | a3173d6 | 2019-12-18 15:58:27 +0100 | [diff] [blame^] | 141 | case MV_SIP_DFX: |
| 142 | ret = mvebu_dfx_handle(x1, &read, x2, x3); |
| 143 | SMC_RET2(handle, ret, read); |
Konstantin Porotchkin | 7b9e4d4 | 2020-07-26 17:49:54 +0300 | [diff] [blame] | 144 | case MV_SIP_RNG_64: |
| 145 | ret = eip76_rng_get_random((uint8_t *)&w2, 4 * (x1 % 2 + 1)); |
| 146 | SMC_RET3(handle, ret, w2[0], w2[1]); |
Konstantin Porotchkin | f69ec58 | 2018-06-07 18:31:14 +0300 | [diff] [blame] | 147 | default: |
| 148 | ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); |
| 149 | SMC_RET1(handle, SMC_UNK); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | /* Define a runtime service descriptor for fast SMC calls */ |
| 154 | DECLARE_RT_SVC( |
| 155 | marvell_sip_svc, |
| 156 | OEN_SIP_START, |
| 157 | OEN_SIP_END, |
| 158 | SMC_TYPE_FAST, |
| 159 | NULL, |
| 160 | mrvl_sip_smc_handler |
| 161 | ); |