blob: bc4b621132b7285d266fc095a47a589e33b538ba [file] [log] [blame]
/*
* Copyright (C) 2018 Marvell International Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
* https://spdx.org/licenses
*/
#include <ap_setup.h>
#include <cache_llc.h>
#include <debug.h>
#include <marvell_plat_priv.h>
#include <plat_marvell.h>
#include <runtime_svc.h>
#include <smccc.h>
#include "comphy/phy-comphy-cp110.h"
/* #define DEBUG_COMPHY */
#ifdef DEBUG_COMPHY
#define debug(format...) NOTICE(format)
#else
#define debug(format, arg...)
#endif
/* Comphy related FID's */
#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
/* Miscellaneous FID's' */
#define MV_SIP_DRAM_SIZE 0x82000010
#define MV_SIP_LLC_ENABLE 0x82000011
#define MV_SIP_PMU_IRQ_ENABLE 0x82000012
#define MV_SIP_PMU_IRQ_DISABLE 0x82000013
#define MAX_LANE_NR 6
#define MVEBU_COMPHY_OFFSET 0x441000
#define MVEBU_SD_OFFSET 0x120000
/* 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)
uintptr_t 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)
{
u_register_t ret;
int i;
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)) {
/* some systems passes SD phys address instead of COMPHY phys
* address - convert it
*/
if (x1 & MVEBU_SD_OFFSET)
x1 = (x1 & ~0xffffff) + MVEBU_COMPHY_OFFSET;
if ((x1 & 0xffffff) != 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) {
/* Comphy related FID's */
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, x3);
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);
/* Miscellaneous FID's' */
case MV_SIP_DRAM_SIZE:
/* x1: ap_base_addr */
ret = mvebu_get_dram_size(x1);
SMC_RET1(handle, ret);
case MV_SIP_LLC_ENABLE:
for (i = 0; i < ap_get_count(); i++)
llc_runtime_enable(i);
SMC_RET1(handle, 0);
#ifdef MVEBU_PMU_IRQ_WA
case MV_SIP_PMU_IRQ_ENABLE:
mvebu_pmu_interrupt_enable();
SMC_RET1(handle, 0);
case MV_SIP_PMU_IRQ_DISABLE:
mvebu_pmu_interrupt_disable();
SMC_RET1(handle, 0);
#endif
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
);