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Konstantin Porotchkinf69ec582018-06-07 18:31:14 +03001/*
2 * Copyright (C) 2018 Marvell International Ltd.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 * https://spdx.org/licenses
6 */
7
Antonio Nino Diaze0f90632018-12-14 00:18:21 +00008#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>
12#include <lib/smccc.h>
13
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030014#include <marvell_plat_priv.h>
Marcin Wojtas0c60c2f2018-03-21 09:59:59 +010015#include <plat_marvell.h>
Antonio Nino Diaze0f90632018-12-14 00:18:21 +000016
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030017#include "comphy/phy-comphy-cp110.h"
Grzegorz Jaszczyk0988f382019-04-04 17:16:39 +020018#include <stdbool.h>
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030019
20/* #define DEBUG_COMPHY */
21#ifdef DEBUG_COMPHY
22#define debug(format...) NOTICE(format)
23#else
24#define debug(format, arg...)
25#endif
26
27/* Comphy related FID's */
28#define MV_SIP_COMPHY_POWER_ON 0x82000001
29#define MV_SIP_COMPHY_POWER_OFF 0x82000002
30#define MV_SIP_COMPHY_PLL_LOCK 0x82000003
31#define MV_SIP_COMPHY_XFI_TRAIN 0x82000004
32#define MV_SIP_COMPHY_DIG_RESET 0x82000005
33
34/* Miscellaneous FID's' */
35#define MV_SIP_DRAM_SIZE 0x82000010
36#define MV_SIP_LLC_ENABLE 0x82000011
Marcin Wojtas0c60c2f2018-03-21 09:59:59 +010037#define MV_SIP_PMU_IRQ_ENABLE 0x82000012
38#define MV_SIP_PMU_IRQ_DISABLE 0x82000013
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030039
40#define MAX_LANE_NR 6
41#define MVEBU_COMPHY_OFFSET 0x441000
Grzegorz Jaszczyk0988f382019-04-04 17:16:39 +020042#define MVEBU_CP_BASE_MASK (~0xffffff)
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030043
44/* This macro is used to identify COMPHY related calls from SMC function ID */
45#define is_comphy_fid(fid) \
46 ((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_DIG_RESET)
47
Grzegorz Jaszczyk0988f382019-04-04 17:16:39 +020048_Bool is_cp_range_valid(u_register_t *addr)
49{
50 int cp_nr;
51
52 *addr &= MVEBU_CP_BASE_MASK;
53 for (cp_nr = 0; cp_nr < CP_NUM; cp_nr++) {
54 if (*addr == MVEBU_CP_REGS_BASE(cp_nr))
55 return true;
56 }
57
58 return false;
59}
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030060
61uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid,
62 u_register_t x1,
63 u_register_t x2,
64 u_register_t x3,
65 u_register_t x4,
66 void *cookie,
67 void *handle,
68 u_register_t flags)
69{
70 u_register_t ret;
71 int i;
72
73 debug("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
74 __func__, smc_fid, x1, x2, x3);
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030075
Grzegorz Jaszczyk0988f382019-04-04 17:16:39 +020076 if (is_comphy_fid(smc_fid)) {
77 /* validate address passed via x1 */
78 if (!is_cp_range_valid(&x1)) {
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030079 ERROR("%s: Wrong smc (0x%x) address: %lx\n",
80 __func__, smc_fid, x1);
81 SMC_RET1(handle, SMC_UNK);
82 }
83
Grzegorz Jaszczyk0988f382019-04-04 17:16:39 +020084 x1 += MVEBU_COMPHY_OFFSET;
85
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +030086 if (x2 >= MAX_LANE_NR) {
87 ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n",
88 __func__, smc_fid, x2);
89 SMC_RET1(handle, SMC_UNK);
90 }
91 }
92
93 switch (smc_fid) {
94
95 /* Comphy related FID's */
96 case MV_SIP_COMPHY_POWER_ON:
97 /* x1: comphy_base, x2: comphy_index, x3: comphy_mode */
98 ret = mvebu_cp110_comphy_power_on(x1, x2, x3);
99 SMC_RET1(handle, ret);
100 case MV_SIP_COMPHY_POWER_OFF:
101 /* x1: comphy_base, x2: comphy_index */
Igal Libermanbd51efd2018-11-15 16:13:11 +0200102 ret = mvebu_cp110_comphy_power_off(x1, x2, x3);
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +0300103 SMC_RET1(handle, ret);
104 case MV_SIP_COMPHY_PLL_LOCK:
105 /* x1: comphy_base, x2: comphy_index */
106 ret = mvebu_cp110_comphy_is_pll_locked(x1, x2);
107 SMC_RET1(handle, ret);
108 case MV_SIP_COMPHY_XFI_TRAIN:
109 /* x1: comphy_base, x2: comphy_index */
110 ret = mvebu_cp110_comphy_xfi_rx_training(x1, x2);
111 SMC_RET1(handle, ret);
112 case MV_SIP_COMPHY_DIG_RESET:
113 /* x1: comphy_base, x2: comphy_index, x3: mode, x4: command */
114 ret = mvebu_cp110_comphy_digital_reset(x1, x2, x3, x4);
115 SMC_RET1(handle, ret);
116
117 /* Miscellaneous FID's' */
118 case MV_SIP_DRAM_SIZE:
Grzegorz Jaszczyk5339f6f2019-04-04 17:20:05 +0200119 ret = mvebu_get_dram_size(MVEBU_REGS_BASE);
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +0300120 SMC_RET1(handle, ret);
121 case MV_SIP_LLC_ENABLE:
122 for (i = 0; i < ap_get_count(); i++)
123 llc_runtime_enable(i);
124
125 SMC_RET1(handle, 0);
Marcin Wojtas0c60c2f2018-03-21 09:59:59 +0100126#ifdef MVEBU_PMU_IRQ_WA
127 case MV_SIP_PMU_IRQ_ENABLE:
128 mvebu_pmu_interrupt_enable();
129 SMC_RET1(handle, 0);
130 case MV_SIP_PMU_IRQ_DISABLE:
131 mvebu_pmu_interrupt_disable();
132 SMC_RET1(handle, 0);
133#endif
Konstantin Porotchkinf69ec582018-06-07 18:31:14 +0300134
135 default:
136 ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
137 SMC_RET1(handle, SMC_UNK);
138 }
139}
140
141/* Define a runtime service descriptor for fast SMC calls */
142DECLARE_RT_SVC(
143 marvell_sip_svc,
144 OEN_SIP_START,
145 OEN_SIP_END,
146 SMC_TYPE_FAST,
147 NULL,
148 mrvl_sip_smc_handler
149);