arm-trusted-firmware/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c

527 lines
12 KiB
C

/*
* Copyright (c) 2021, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stddef.h>
#include <string.h>
#include <common/debug.h>
#include <lib/bakery_lock.h>
#include <lib/mmio.h>
#include <mt_spm.h>
#include <mt_spm_internal.h>
#include <mt_spm_pmic_wrap.h>
#include <mt_spm_reg.h>
#include <mt_spm_vcorefs.h>
#include <mtk_plat_common.h>
#include <mtk_sip_svc.h>
#include <platform_def.h>
#define VCORE_MAX_OPP 4
#define DRAM_MAX_OPP 7
static bool spm_dvfs_init_done;
static bool dvfs_enable_done;
static int vcore_opp_0_uv = 750000;
static int vcore_opp_1_uv = 650000;
static int vcore_opp_2_uv = 600000;
static int vcore_opp_3_uv = 550000;
static struct reg_config dvfsrc_init_configs[] = {
{ DVFSRC_HRT_REQ_UNIT, 0x0000001E },
{ DVFSRC_DEBOUNCE_TIME, 0x19651965 },
{ DVFSRC_TIMEOUT_NEXTREQ, 0x00000015 },
{ DVFSRC_LEVEL_MASK, 0x000EE000 },
{ DVFSRC_DDR_QOS0, 0x00000019 },
{ DVFSRC_DDR_QOS1, 0x00000026 },
{ DVFSRC_DDR_QOS2, 0x00000033 },
{ DVFSRC_DDR_QOS3, 0x0000003B },
{ DVFSRC_DDR_QOS4, 0x0000004C },
{ DVFSRC_DDR_QOS5, 0x00000066 },
{ DVFSRC_DDR_QOS6, 0x00660066 },
{ DVFSRC_LEVEL_LABEL_0_1, 0x50436053 },
{ DVFSRC_LEVEL_LABEL_2_3, 0x40335042 },
{ DVFSRC_LEVEL_LABEL_4_5, 0x40314032 },
{ DVFSRC_LEVEL_LABEL_6_7, 0x30223023 },
{ DVFSRC_LEVEL_LABEL_8_9, 0x20133021 },
{ DVFSRC_LEVEL_LABEL_10_11, 0x20112012 },
{ DVFSRC_LEVEL_LABEL_12_13, 0x10032010 },
{ DVFSRC_LEVEL_LABEL_14_15, 0x10011002 },
{ DVFSRC_LEVEL_LABEL_16_17, 0x00131000 },
{ DVFSRC_LEVEL_LABEL_18_19, 0x00110012 },
{ DVFSRC_LEVEL_LABEL_20_21, 0x00000010 },
{ DVFSRC_MD_LATENCY_IMPROVE, 0x00000040 },
{ DVFSRC_DDR_REQUEST, 0x00004321 },
{ DVFSRC_DDR_REQUEST3, 0x00000065 },
{ DVFSRC_DDR_ADD_REQUEST, 0x66543210 },
{ DVFSRC_HRT_REQUEST, 0x66654321 },
{ DVFSRC_DDR_REQUEST5, 0x54321000 },
{ DVFSRC_DDR_REQUEST7, 0x66000000 },
{ DVFSRC_VCORE_USER_REQ, 0x00010A29 },
{ DVFSRC_HRT_HIGH_3, 0x18A618A6 },
{ DVFSRC_HRT_HIGH_2, 0x18A61183 },
{ DVFSRC_HRT_HIGH_1, 0x0D690B80 },
{ DVFSRC_HRT_HIGH, 0x070804B0 },
{ DVFSRC_HRT_LOW_3, 0x18A518A5 },
{ DVFSRC_HRT_LOW_2, 0x18A51182 },
{ DVFSRC_HRT_LOW_1, 0x0D680B7F },
{ DVFSRC_HRT_LOW, 0x070704AF },
{ DVFSRC_BASIC_CONTROL_3, 0x00000006 },
{ DVFSRC_INT_EN, 0x00000002 },
{ DVFSRC_QOS_EN, 0x0000407C },
{ DVFSRC_HRT_BW_BASE, 0x00000004 },
{ DVFSRC_PCIE_VCORE_REQ, 0x65908101 },
{ DVFSRC_CURRENT_FORCE, 0x00000001 },
{ DVFSRC_BASIC_CONTROL, 0x6698444B },
{ DVFSRC_BASIC_CONTROL, 0x6698054B },
{ DVFSRC_CURRENT_FORCE, 0x00000000 },
};
static struct pwr_ctrl vcorefs_ctrl = {
.wake_src = R12_REG_CPU_WAKEUP,
/* default VCORE DVFS is disabled */
.pcm_flags = (SPM_FLAG_RUN_COMMON_SCENARIO |
SPM_FLAG_DISABLE_VCORE_DVS | SPM_FLAG_DISABLE_VCORE_DFS),
/* SPM_AP_STANDBY_CON */
/* [0] */
.reg_wfi_op = 0,
/* [1] */
.reg_wfi_type = 0,
/* [2] */
.reg_mp0_cputop_idle_mask = 0,
/* [3] */
.reg_mp1_cputop_idle_mask = 0,
/* [4] */
.reg_mcusys_idle_mask = 0,
/* [25] */
.reg_md_apsrc_1_sel = 0,
/* [26] */
.reg_md_apsrc_0_sel = 0,
/* [29] */
.reg_conn_apsrc_sel = 0,
/* SPM_SRC_REQ */
/* [0] */
.reg_spm_apsrc_req = 0,
/* [1] */
.reg_spm_f26m_req = 0,
/* [3] */
.reg_spm_infra_req = 0,
/* [4] */
.reg_spm_vrf18_req = 0,
/* [7] FIXME: default disable HW Auto S1*/
.reg_spm_ddr_en_req = 1,
/* [8] */
.reg_spm_dvfs_req = 0,
/* [9] */
.reg_spm_sw_mailbox_req = 0,
/* [10] */
.reg_spm_sspm_mailbox_req = 0,
/* [11] */
.reg_spm_adsp_mailbox_req = 0,
/* [12] */
.reg_spm_scp_mailbox_req = 0,
/* SPM_SRC_MASK */
/* [0] */
.reg_sspm_srcclkena_0_mask_b = 1,
/* [1] */
.reg_sspm_infra_req_0_mask_b = 1,
/* [2] */
.reg_sspm_apsrc_req_0_mask_b = 1,
/* [3] */
.reg_sspm_vrf18_req_0_mask_b = 1,
/* [4] */
.reg_sspm_ddr_en_0_mask_b = 1,
/* [5] */
.reg_scp_srcclkena_mask_b = 1,
/* [6] */
.reg_scp_infra_req_mask_b = 1,
/* [7] */
.reg_scp_apsrc_req_mask_b = 1,
/* [8] */
.reg_scp_vrf18_req_mask_b = 1,
/* [9] */
.reg_scp_ddr_en_mask_b = 1,
/* [10] */
.reg_audio_dsp_srcclkena_mask_b = 1,
/* [11] */
.reg_audio_dsp_infra_req_mask_b = 1,
/* [12] */
.reg_audio_dsp_apsrc_req_mask_b = 1,
/* [13] */
.reg_audio_dsp_vrf18_req_mask_b = 1,
/* [14] */
.reg_audio_dsp_ddr_en_mask_b = 1,
/* [15] */
.reg_apu_srcclkena_mask_b = 1,
/* [16] */
.reg_apu_infra_req_mask_b = 1,
/* [17] */
.reg_apu_apsrc_req_mask_b = 1,
/* [18] */
.reg_apu_vrf18_req_mask_b = 1,
/* [19] */
.reg_apu_ddr_en_mask_b = 1,
/* [20] */
.reg_cpueb_srcclkena_mask_b = 1,
/* [21] */
.reg_cpueb_infra_req_mask_b = 1,
/* [22] */
.reg_cpueb_apsrc_req_mask_b = 1,
/* [23] */
.reg_cpueb_vrf18_req_mask_b = 1,
/* [24] */
.reg_cpueb_ddr_en_mask_b = 1,
/* [25] */
.reg_bak_psri_srcclkena_mask_b = 0,
/* [26] */
.reg_bak_psri_infra_req_mask_b = 0,
/* [27] */
.reg_bak_psri_apsrc_req_mask_b = 0,
/* [28] */
.reg_bak_psri_vrf18_req_mask_b = 0,
/* [29] */
.reg_bak_psri_ddr_en_mask_b = 0,
/* SPM_SRC2_MASK */
/* [0] */
.reg_msdc0_srcclkena_mask_b = 1,
/* [1] */
.reg_msdc0_infra_req_mask_b = 1,
/* [2] */
.reg_msdc0_apsrc_req_mask_b = 1,
/* [3] */
.reg_msdc0_vrf18_req_mask_b = 1,
/* [4] */
.reg_msdc0_ddr_en_mask_b = 1,
/* [5] */
.reg_msdc1_srcclkena_mask_b = 1,
/* [6] */
.reg_msdc1_infra_req_mask_b = 1,
/* [7] */
.reg_msdc1_apsrc_req_mask_b = 1,
/* [8] */
.reg_msdc1_vrf18_req_mask_b = 1,
/* [9] */
.reg_msdc1_ddr_en_mask_b = 1,
/* [10] */
.reg_msdc2_srcclkena_mask_b = 1,
/* [11] */
.reg_msdc2_infra_req_mask_b = 1,
/* [12] */
.reg_msdc2_apsrc_req_mask_b = 1,
/* [13] */
.reg_msdc2_vrf18_req_mask_b = 1,
/* [14] */
.reg_msdc2_ddr_en_mask_b = 1,
/* [15] */
.reg_ufs_srcclkena_mask_b = 1,
/* [16] */
.reg_ufs_infra_req_mask_b = 1,
/* [17] */
.reg_ufs_apsrc_req_mask_b = 1,
/* [18] */
.reg_ufs_vrf18_req_mask_b = 1,
/* [19] */
.reg_ufs_ddr_en_mask_b = 1,
/* [20] */
.reg_usb_srcclkena_mask_b = 1,
/* [21] */
.reg_usb_infra_req_mask_b = 1,
/* [22] */
.reg_usb_apsrc_req_mask_b = 1,
/* [23] */
.reg_usb_vrf18_req_mask_b = 1,
/* [24] */
.reg_usb_ddr_en_mask_b = 1,
/* [25] */
.reg_pextp_p0_srcclkena_mask_b = 1,
/* [26] */
.reg_pextp_p0_infra_req_mask_b = 1,
/* [27] */
.reg_pextp_p0_apsrc_req_mask_b = 1,
/* [28] */
.reg_pextp_p0_vrf18_req_mask_b = 1,
/* [29] */
.reg_pextp_p0_ddr_en_mask_b = 1,
/* SPM_SRC3_MASK */
/* [0] */
.reg_pextp_p1_srcclkena_mask_b = 1,
/* [1] */
.reg_pextp_p1_infra_req_mask_b = 1,
/* [2] */
.reg_pextp_p1_apsrc_req_mask_b = 1,
/* [3] */
.reg_pextp_p1_vrf18_req_mask_b = 1,
/* [4] */
.reg_pextp_p1_ddr_en_mask_b = 1,
/* [5] */
.reg_gce0_infra_req_mask_b = 1,
/* [6] */
.reg_gce0_apsrc_req_mask_b = 1,
/* [7] */
.reg_gce0_vrf18_req_mask_b = 1,
/* [8] */
.reg_gce0_ddr_en_mask_b = 1,
/* [9] */
.reg_gce1_infra_req_mask_b = 1,
/* [10] */
.reg_gce1_apsrc_req_mask_b = 1,
/* [11] */
.reg_gce1_vrf18_req_mask_b = 1,
/* [12] */
.reg_gce1_ddr_en_mask_b = 1,
/* [13] */
.reg_spm_srcclkena_reserved_mask_b = 1,
/* [14] */
.reg_spm_infra_req_reserved_mask_b = 1,
/* [15] */
.reg_spm_apsrc_req_reserved_mask_b = 1,
/* [16] */
.reg_spm_vrf18_req_reserved_mask_b = 1,
/* [17] */
.reg_spm_ddr_en_reserved_mask_b = 1,
/* [18] */
.reg_disp0_apsrc_req_mask_b = 1,
/* [19] */
.reg_disp0_ddr_en_mask_b = 1,
/* [20] */
.reg_disp1_apsrc_req_mask_b = 1,
/* [21] */
.reg_disp1_ddr_en_mask_b = 1,
/* [22] */
.reg_disp2_apsrc_req_mask_b = 1,
/* [23] */
.reg_disp2_ddr_en_mask_b = 1,
/* [24] */
.reg_disp3_apsrc_req_mask_b = 1,
/* [25] */
.reg_disp3_ddr_en_mask_b = 1,
/* [26] */
.reg_infrasys_apsrc_req_mask_b = 0,
/* [27] */
.reg_infrasys_ddr_en_mask_b = 1,
/* [28] */
.reg_cg_check_srcclkena_mask_b = 1,
/* [29] */
.reg_cg_check_apsrc_req_mask_b = 1,
/* [30] */
.reg_cg_check_vrf18_req_mask_b = 1,
/* [31] */
.reg_cg_check_ddr_en_mask_b = 1,
/* SPM_SRC4_MASK */
/* [8:0] */
.reg_mcusys_merge_apsrc_req_mask_b = 0x11,
/* [17:9] */
.reg_mcusys_merge_ddr_en_mask_b = 0x11,
/* [19:18] */
.reg_dramc_md32_infra_req_mask_b = 0,
/* [21:20] */
.reg_dramc_md32_vrf18_req_mask_b = 0,
/* [23:22] */
.reg_dramc_md32_ddr_en_mask_b = 0,
/* [24] */
.reg_dvfsrc_event_trigger_mask_b = 1,
/* SPM_WAKEUP_EVENT_MASK2 */
/* [3:0] */
.reg_sc_sw2spm_wakeup_mask_b = 0,
/* [4] */
.reg_sc_adsp2spm_wakeup_mask_b = 0,
/* [8:5] */
.reg_sc_sspm2spm_wakeup_mask_b = 0,
/* [9] */
.reg_sc_scp2spm_wakeup_mask_b = 0,
/* [10] */
.reg_csyspwrup_ack_mask = 0,
/* [11] */
.reg_csyspwrup_req_mask = 1,
/* SPM_WAKEUP_EVENT_MASK */
/* [31:0] */
.reg_wakeup_event_mask = 0xEFFFFFFF,
/* SPM_WAKEUP_EVENT_EXT_MASK */
/* [31:0] */
.reg_ext_wakeup_event_mask = 0xFFFFFFFF,
};
struct spm_lp_scen __spm_vcorefs = {
.pwrctrl = &vcorefs_ctrl,
};
static void spm_vcorefs_pwarp_cmd(uint64_t cmd, uint64_t val)
{
if (cmd < NR_IDX_ALL) {
mt_spm_pmic_wrap_set_cmd(PMIC_WRAP_PHASE_ALLINONE, cmd, val);
} else {
INFO("cmd out of range!\n");
}
}
void spm_dvfsfw_init(uint64_t boot_up_opp, uint64_t dram_issue)
{
if (spm_dvfs_init_done == false) {
mmio_write_32(SPM_DVFS_MISC, (mmio_read_32(SPM_DVFS_MISC) &
~(SPM_DVFS_FORCE_ENABLE_LSB)) | (SPM_DVFSRC_ENABLE_LSB));
mmio_write_32(SPM_DVFS_LEVEL, 0x00000001);
mmio_write_32(SPM_DVS_DFS_LEVEL, 0x00010001);
spm_dvfs_init_done = true;
}
}
void __spm_sync_vcore_dvfs_power_control(struct pwr_ctrl *dest_pwr_ctrl,
const struct pwr_ctrl *src_pwr_ctrl)
{
uint32_t dvfs_mask = SPM_FLAG_DISABLE_VCORE_DVS |
SPM_FLAG_DISABLE_VCORE_DFS |
SPM_FLAG_ENABLE_VOLTAGE_BIN;
dest_pwr_ctrl->pcm_flags = (dest_pwr_ctrl->pcm_flags & (~dvfs_mask)) |
(src_pwr_ctrl->pcm_flags & dvfs_mask);
if (dest_pwr_ctrl->pcm_flags_cust) {
dest_pwr_ctrl->pcm_flags_cust = (dest_pwr_ctrl->pcm_flags_cust & (~dvfs_mask)) |
(src_pwr_ctrl->pcm_flags & dvfs_mask);
}
}
void spm_go_to_vcorefs(uint64_t spm_flags)
{
__spm_set_power_control(__spm_vcorefs.pwrctrl);
__spm_set_wakeup_event(__spm_vcorefs.pwrctrl);
__spm_set_pcm_flags(__spm_vcorefs.pwrctrl);
__spm_send_cpu_wakeup_event();
}
uint64_t spm_vcorefs_args(uint64_t x1, uint64_t x2, uint64_t x3)
{
uint64_t ret = 0U;
uint64_t cmd = x1;
uint64_t spm_flags;
switch (cmd) {
case VCOREFS_SMC_CMD_0:
spm_dvfsfw_init(x2, x3);
break;
case VCOREFS_SMC_CMD_1:
spm_flags = SPM_FLAG_RUN_COMMON_SCENARIO;
if (x2 & SPM_FLAG_DISABLE_VCORE_DVS)
spm_flags |= SPM_FLAG_DISABLE_VCORE_DVS;
if (x2 & SPM_FLAG_DISABLE_VCORE_DFS)
spm_flags |= SPM_FLAG_DISABLE_VCORE_DFS;
spm_go_to_vcorefs(spm_flags);
break;
case VCOREFS_SMC_CMD_3:
spm_vcorefs_pwarp_cmd(x2, x3);
break;
case VCOREFS_SMC_CMD_2:
case VCOREFS_SMC_CMD_4:
case VCOREFS_SMC_CMD_5:
case VCOREFS_SMC_CMD_7:
default:
break;
}
return ret;
}
static void dvfsrc_init(void)
{
int i;
int count = ARRAY_SIZE(dvfsrc_init_configs);
if (dvfs_enable_done == false) {
for (i = 0; i < count; i++) {
mmio_write_32(dvfsrc_init_configs[i].offset,
dvfsrc_init_configs[i].val);
}
mmio_write_32(DVFSRC_QOS_EN, 0x0011007C);
dvfs_enable_done = true;
}
}
static void spm_vcorefs_vcore_setting(uint64_t flag)
{
spm_vcorefs_pwarp_cmd(3, __vcore_uv_to_pmic(vcore_opp_3_uv));
spm_vcorefs_pwarp_cmd(2, __vcore_uv_to_pmic(vcore_opp_2_uv));
spm_vcorefs_pwarp_cmd(1, __vcore_uv_to_pmic(vcore_opp_1_uv));
spm_vcorefs_pwarp_cmd(0, __vcore_uv_to_pmic(vcore_opp_0_uv));
}
int spm_vcorefs_get_vcore(unsigned int gear)
{
int ret_val;
switch (gear) {
case 3:
ret_val = vcore_opp_0_uv;
break;
case 2:
ret_val = vcore_opp_1_uv;
break;
case 1:
ret_val = vcore_opp_2_uv;
break;
case 0:
default:
ret_val = vcore_opp_3_uv;
break;
}
return ret_val;
}
uint64_t spm_vcorefs_v2_args(u_register_t x1, u_register_t x2, u_register_t x3, u_register_t *x4)
{
uint64_t ret = 0U;
uint64_t cmd = x1;
uint64_t spm_flags;
switch (cmd) {
case VCOREFS_SMC_CMD_INIT:
/* vcore_dvfs init + kick */
spm_dvfsfw_init(0, 0);
spm_vcorefs_vcore_setting(x3 & 0xF);
spm_flags = SPM_FLAG_RUN_COMMON_SCENARIO;
if (x2 & 0x1) {
spm_flags |= SPM_FLAG_DISABLE_VCORE_DVS;
}
if (x2 & 0x2) {
spm_flags |= SPM_FLAG_DISABLE_VCORE_DFS;
}
spm_go_to_vcorefs(spm_flags);
dvfsrc_init();
*x4 = 0U;
break;
case VCOREFS_SMC_CMD_OPP_TYPE:
/* get dram type */
*x4 = 0U;
break;
case VCOREFS_SMC_CMD_FW_TYPE:
*x4 = 0U;
break;
case VCOREFS_SMC_CMD_GET_UV:
*x4 = spm_vcorefs_get_vcore(x2);
break;
case VCOREFS_SMC_CMD_GET_NUM_V:
*x4 = VCORE_MAX_OPP;
break;
case VCOREFS_SMC_CMD_GET_NUM_F:
*x4 = DRAM_MAX_OPP;
break;
default:
break;
}
return ret;
}