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/*
* Copyright (C) 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
#include <debug.h>
#include <runtime_svc.h>
#include <smcc.h>
#include "comphy/phy-comphy-cp110.h"
/* #define DEBUG_COMPHY */
#ifdef DEBUG_COMPHY
#define debug(format...) NOTICE(format)
#else
#define debug(format, arg...)
#endif
#define MV_SIP_COMPHY_POWER_ON 0x82000001
#define MV_SIP_COMPHY_POWER_OFF 0x82000002
#define MV_SIP_COMPHY_PLL_LOCK 0x82000003
#define MV_SIP_COMPHY_XFI_TRAIN 0x82000004
#define MV_SIP_COMPHY_DIG_RESET 0x82000005
#define MAX_LANE_NR 6
#define MVEBU_COMPHY_OFFSET 0x441000
/* This macro is used to identify COMPHY related calls from SMC function ID */
#define is_comphy_fid(fid) \
((fid) >= MV_SIP_COMPHY_POWER_ON && (fid) <= MV_SIP_COMPHY_DIG_RESET)
uint64_t mrvl_sip_smc_handler(uint32_t smc_fid,
uint64_t x1,
uint64_t x2,
uint64_t x3,
uint64_t x4,
void *cookie,
void *handle,
uint64_t flags)
{
u_register_t ret;
debug("%s: got SMC (0x%x) x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
__func__, smc_fid, x1, x2, x3);
if (is_comphy_fid(smc_fid)) {
if (!(x1 & MVEBU_COMPHY_OFFSET)) {
ERROR("%s: Wrong smc (0x%x) address: %lx\n", __func__, smc_fid, x1);
SMC_RET1(handle, SMC_UNK);
}
if (x2 >= MAX_LANE_NR) {
ERROR("%s: Wrong smc (0x%x) lane nr: %lx\n", __func__, smc_fid, x2);
SMC_RET1(handle, SMC_UNK);
}
}
switch (smc_fid) {
case MV_SIP_COMPHY_POWER_ON:
/* x1: comphy_base, x2: comphy_index, x3: comphy_mode */
ret = mvebu_cp110_comphy_power_on(x1, x2, x3);
SMC_RET1(handle, ret);
case MV_SIP_COMPHY_POWER_OFF:
/* x1: comphy_base, x2: comphy_index */
ret = mvebu_cp110_comphy_power_off(x1, x2);
SMC_RET1(handle, ret);
case MV_SIP_COMPHY_PLL_LOCK:
/* x1: comphy_base, x2: comphy_index */
ret = mvebu_cp110_comphy_is_pll_locked(x1, x2);
SMC_RET1(handle, ret);
case MV_SIP_COMPHY_XFI_TRAIN:
/* x1: comphy_base, x2: comphy_index */
ret = mvebu_cp110_comphy_xfi_rx_training(x1, x2);
SMC_RET1(handle, ret);
case MV_SIP_COMPHY_DIG_RESET:
/* x1: comphy_base, x2: comphy_index, x3: mode, x4: command */
ret = mvebu_cp110_comphy_digital_reset(x1, x2, x3, x4);
SMC_RET1(handle, ret);
default:
ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
SMC_RET1(handle, SMC_UNK);
}
}
/* Define a runtime service descriptor for fast SMC calls */
DECLARE_RT_SVC(
marvell_sip_svc,
OEN_SIP_START,
OEN_SIP_END,
SMC_TYPE_FAST,
NULL,
mrvl_sip_smc_handler
);
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