1*b5c850d4SMarcin Wojtas /*
2*b5c850d4SMarcin Wojtas * Copyright (C) 2018 Marvell International Ltd.
3*b5c850d4SMarcin Wojtas *
4*b5c850d4SMarcin Wojtas * SPDX-License-Identifier: BSD-3-Clause
5*b5c850d4SMarcin Wojtas * https://spdx.org/licenses
6*b5c850d4SMarcin Wojtas */
7*b5c850d4SMarcin Wojtas
8*b5c850d4SMarcin Wojtas #include <common/debug.h>
9*b5c850d4SMarcin Wojtas #include <common/runtime_svc.h>
10*b5c850d4SMarcin Wojtas #include <lib/smccc.h>
11*b5c850d4SMarcin Wojtas
12*b5c850d4SMarcin Wojtas #include <marvell_plat_priv.h>
13*b5c850d4SMarcin Wojtas #include <plat_marvell.h>
14*b5c850d4SMarcin Wojtas
15*b5c850d4SMarcin Wojtas #include "comphy/phy-comphy-3700.h"
16*b5c850d4SMarcin Wojtas
17*b5c850d4SMarcin Wojtas /* Comphy related FID's */
18*b5c850d4SMarcin Wojtas #define MV_SIP_COMPHY_POWER_ON 0x82000001
19*b5c850d4SMarcin Wojtas #define MV_SIP_COMPHY_POWER_OFF 0x82000002
20*b5c850d4SMarcin Wojtas #define MV_SIP_COMPHY_PLL_LOCK 0x82000003
21*b5c850d4SMarcin Wojtas
22*b5c850d4SMarcin Wojtas /* Miscellaneous FID's' */
23*b5c850d4SMarcin Wojtas #define MV_SIP_DRAM_SIZE 0x82000010
24*b5c850d4SMarcin Wojtas
25*b5c850d4SMarcin Wojtas /* This macro is used to identify COMPHY related calls from SMC function ID */
26*b5c850d4SMarcin Wojtas #define is_comphy_fid(fid) \
27*b5c850d4SMarcin Wojtas ((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_PLL_LOCK)
28*b5c850d4SMarcin Wojtas
mrvl_sip_smc_handler(uint32_t smc_fid,u_register_t x1,u_register_t x2,u_register_t x3,u_register_t x4,void * cookie,void * handle,u_register_t flags)29*b5c850d4SMarcin Wojtas uintptr_t mrvl_sip_smc_handler(uint32_t smc_fid,
30*b5c850d4SMarcin Wojtas u_register_t x1,
31*b5c850d4SMarcin Wojtas u_register_t x2,
32*b5c850d4SMarcin Wojtas u_register_t x3,
33*b5c850d4SMarcin Wojtas u_register_t x4,
34*b5c850d4SMarcin Wojtas void *cookie,
35*b5c850d4SMarcin Wojtas void *handle,
36*b5c850d4SMarcin Wojtas u_register_t flags)
37*b5c850d4SMarcin Wojtas {
38*b5c850d4SMarcin Wojtas u_register_t ret;
39*b5c850d4SMarcin Wojtas
40*b5c850d4SMarcin Wojtas VERBOSE("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx\n",
41*b5c850d4SMarcin Wojtas __func__, smc_fid, x1, x2);
42*b5c850d4SMarcin Wojtas if (is_comphy_fid(smc_fid)) {
43*b5c850d4SMarcin Wojtas if (x1 >= MAX_LANE_NR) {
44*b5c850d4SMarcin Wojtas ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n",
45*b5c850d4SMarcin Wojtas __func__, smc_fid, x2);
46*b5c850d4SMarcin Wojtas SMC_RET1(handle, SMC_UNK);
47*b5c850d4SMarcin Wojtas }
48*b5c850d4SMarcin Wojtas }
49*b5c850d4SMarcin Wojtas
50*b5c850d4SMarcin Wojtas switch (smc_fid) {
51*b5c850d4SMarcin Wojtas /* Comphy related FID's */
52*b5c850d4SMarcin Wojtas case MV_SIP_COMPHY_POWER_ON:
53*b5c850d4SMarcin Wojtas /* x1: comphy_index, x2: comphy_mode */
54*b5c850d4SMarcin Wojtas ret = mvebu_3700_comphy_power_on(x1, x2);
55*b5c850d4SMarcin Wojtas SMC_RET1(handle, ret);
56*b5c850d4SMarcin Wojtas case MV_SIP_COMPHY_POWER_OFF:
57*b5c850d4SMarcin Wojtas /* x1: comphy_index, x2: comphy_mode */
58*b5c850d4SMarcin Wojtas ret = mvebu_3700_comphy_power_off(x1, x2);
59*b5c850d4SMarcin Wojtas SMC_RET1(handle, ret);
60*b5c850d4SMarcin Wojtas case MV_SIP_COMPHY_PLL_LOCK:
61*b5c850d4SMarcin Wojtas /* x1: comphy_index, x2: comphy_mode */
62*b5c850d4SMarcin Wojtas ret = mvebu_3700_comphy_is_pll_locked(x1, x2);
63*b5c850d4SMarcin Wojtas SMC_RET1(handle, ret);
64*b5c850d4SMarcin Wojtas /* Miscellaneous FID's' */
65*b5c850d4SMarcin Wojtas case MV_SIP_DRAM_SIZE:
66*b5c850d4SMarcin Wojtas /* x1: ap_base_addr */
67*b5c850d4SMarcin Wojtas ret = mvebu_get_dram_size(MVEBU_REGS_BASE);
68*b5c850d4SMarcin Wojtas SMC_RET1(handle, ret);
69*b5c850d4SMarcin Wojtas
70*b5c850d4SMarcin Wojtas default:
71*b5c850d4SMarcin Wojtas ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
72*b5c850d4SMarcin Wojtas SMC_RET1(handle, SMC_UNK);
73*b5c850d4SMarcin Wojtas }
74*b5c850d4SMarcin Wojtas }
75*b5c850d4SMarcin Wojtas
76*b5c850d4SMarcin Wojtas /* Define a runtime service descriptor for fast SMC calls */
77*b5c850d4SMarcin Wojtas DECLARE_RT_SVC(
78*b5c850d4SMarcin Wojtas marvell_sip_svc,
79*b5c850d4SMarcin Wojtas OEN_SIP_START,
80*b5c850d4SMarcin Wojtas OEN_SIP_END,
81*b5c850d4SMarcin Wojtas SMC_TYPE_FAST,
82*b5c850d4SMarcin Wojtas NULL,
83*b5c850d4SMarcin Wojtas mrvl_sip_smc_handler
84*b5c850d4SMarcin Wojtas );
85