| Konstantin Porotchkin | e7be6e2 | 2018-10-08 16:53:09 +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 | |
| 8 | #include <debug.h> |
| 9 | #include <marvell_plat_priv.h> |
| 10 | #include <plat_marvell.h> |
| 11 | #include <runtime_svc.h> |
| 12 | #include <smccc.h> |
| 13 | #include "comphy/phy-comphy-3700.h" |
| 14 | |
| 15 | /* Comphy related FID's */ |
| 16 | #define MV_SIP_COMPHY_POWER_ON 0x82000001 |
| 17 | #define MV_SIP_COMPHY_POWER_OFF 0x82000002 |
| 18 | #define MV_SIP_COMPHY_PLL_LOCK 0x82000003 |
| 19 | |
| 20 | /* Miscellaneous FID's' */ |
| 21 | #define MV_SIP_DRAM_SIZE 0x82000010 |
| 22 | |
| 23 | /* This macro is used to identify COMPHY related calls from SMC function ID */ |
| 24 | #define is_comphy_fid(fid) \ |
| 25 | ((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_PLL_LOCK) |
| 26 | |
| 27 | uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid, |
| 28 | u_register_t x1, |
| 29 | u_register_t x2, |
| 30 | u_register_t x3, |
| 31 | u_register_t x4, |
| 32 | void *cookie, |
| 33 | void *handle, |
| 34 | u_register_t flags) |
| 35 | { |
| 36 | u_register_t ret; |
| 37 | |
| 38 | VERBOSE("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx\n", |
| 39 | __func__, smc_fid, x1, x2); |
| 40 | if (is_comphy_fid(smc_fid)) { |
| 41 | if (x1 >= MAX_LANE_NR) { |
| 42 | ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n", |
| 43 | __func__, smc_fid, x2); |
| 44 | SMC_RET1(handle, SMC_UNK); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | switch (smc_fid) { |
| 49 | /* Comphy related FID's */ |
| 50 | case MV_SIP_COMPHY_POWER_ON: |
| 51 | /* x1: comphy_index, x2: comphy_mode */ |
| 52 | ret = mvebu_3700_comphy_power_on(x1, x2); |
| 53 | SMC_RET1(handle, ret); |
| 54 | case MV_SIP_COMPHY_POWER_OFF: |
| 55 | /* x1: comphy_index, x2: comphy_mode */ |
| 56 | ret = mvebu_3700_comphy_power_off(x1, x2); |
| 57 | SMC_RET1(handle, ret); |
| 58 | case MV_SIP_COMPHY_PLL_LOCK: |
| 59 | /* x1: comphy_index, x2: comphy_mode */ |
| 60 | ret = mvebu_3700_comphy_is_pll_locked(x1, x2); |
| 61 | SMC_RET1(handle, ret); |
| 62 | /* Miscellaneous FID's' */ |
| 63 | case MV_SIP_DRAM_SIZE: |
| 64 | /* x1: ap_base_addr */ |
| 65 | ret = mvebu_get_dram_size(MVEBU_REGS_BASE); |
| 66 | SMC_RET1(handle, ret); |
| 67 | |
| 68 | default: |
| 69 | ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid); |
| 70 | SMC_RET1(handle, SMC_UNK); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | /* Define a runtime service descriptor for fast SMC calls */ |
| 75 | DECLARE_RT_SVC( |
| 76 | marvell_sip_svc, |
| 77 | OEN_SIP_START, |
| 78 | OEN_SIP_END, |
| 79 | SMC_TYPE_FAST, |
| 80 | NULL, |
| 81 | mrvl_sip_smc_handler |
| 82 | ); |