mediatek: mt8183: support CPU hotplug

- Add DCM driver
- Add SPMC driver
- Implement core and cluster power on/off handlers

Change-Id: I902002f8ea6f98fd73bf259188162b10d3939c72
Signed-off-by: kenny liang <kenny.liang@mediatek.com>
This commit is contained in:
kenny liang 2019-05-02 19:29:25 +08:00
parent f992b960f9
commit 7352f329e8
11 changed files with 2650 additions and 8 deletions

View File

@ -73,4 +73,11 @@
******************************************************************************/
#define CORTEX_A53_L2MERRSR_EL1 S3_1_C15_C2_3
/*******************************************************************************
* Helper function to access a53_cpuectlr_el1 register on Cortex-A53 CPUs
******************************************************************************/
#ifndef __ASSEMBLY__
DEFINE_RENAME_SYSREG_RW_FUNCS(a53_cpuectlr_el1, CORTEX_A53_ECTLR_EL1)
#endif
#endif /* CORTEX_A53_H */

View File

@ -35,4 +35,11 @@
#define CORTEX_A73_IMP_DEF_REG2 S3_0_C15_C0_2
/*******************************************************************************
* Helper function to access a73_cpuectlr_el1 register on Cortex-A73 CPUs
******************************************************************************/
#ifndef __ASSEMBLY__
DEFINE_RENAME_SYSREG_RW_FUNCS(a73_cpuectlr_el1, CORTEX_A73_CPUECTLR_EL1)
#endif
#endif /* CORTEX_A73_H */

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -16,6 +16,7 @@
#include <mt_gic_v3.h>
#include <lib/mmio.h>
#include <mtk_plat_common.h>
#include <mtspmc.h>
#include <plat_debug.h>
#include <plat_private.h>
#include <platform_def.h>
@ -95,6 +96,10 @@ void bl31_platform_setup(void)
/* Init mcsi SF */
plat_mtk_cci_init_sf();
#if SPMC_MODE == 1
spmc_init();
#endif
}
/*******************************************************************************

View File

@ -0,0 +1,366 @@
/*
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch_helpers.h>
#include <cortex_a53.h>
#include <cortex_a73.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <platform_def.h>
#include <mcucfg.h>
#include <spm.h>
#include <drivers/delay_timer.h>
#include <mtspmc.h>
#include "mtspmc_private.h"
static void set_retention(int cluster, int tick)
{
uint64_t cpuectlr;
if (cluster)
cpuectlr = read_a73_cpuectlr_el1();
else
cpuectlr = read_a53_cpuectlr_el1();
cpuectlr &= ~0x7ULL;
cpuectlr |= tick & 0x7;
if (cluster)
write_a73_cpuectlr_el1(cpuectlr);
else
write_a53_cpuectlr_el1(cpuectlr);
}
void spm_enable_cpu_auto_off(int cluster, int cpu)
{
uintptr_t reg = per_cpu(cluster, cpu, MCUCFG_SPARK);
set_retention(cluster, 1);
mmio_clrbits_32(reg, SW_NO_WAIT_Q);
}
void spm_disable_cpu_auto_off(int cluster, int cpu)
{
uintptr_t reg = per_cpu(cluster, cpu, MCUCFG_SPARK);
mmio_setbits_32(reg, SW_NO_WAIT_Q);
set_retention(cluster, 0);
}
void spm_set_cpu_power_off(int cluster, int cpu)
{
mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
}
void spm_enable_cluster_auto_off(int cluster)
{
assert(cluster);
mmio_clrbits_32(MCUCFG_MP2_SPMC, SW_NO_WAIT_Q);
mmio_clrbits_32(MCUCFG_MP2_COQ, BIT(0));
mmio_clrbits_32(SPM_SPMC_DORMANT_ENABLE, MP1_SPMC_SRAM_DORMANT_EN);
mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
}
void mcucfg_set_bootaddr(int cluster, int cpu, uintptr_t bootaddr)
{
uintptr_t reg;
const uintptr_t mp2_bootreg[] = {
MCUCFG_MP2_RVADDR0, MCUCFG_MP2_RVADDR1,
MCUCFG_MP2_RVADDR2, MCUCFG_MP2_RVADDR3 };
if (cluster) {
assert(cpu >= 0 && cpu < 4);
reg = mp2_bootreg[cpu];
} else {
reg = per_cpu(cluster, cpu, MCUCFG_BOOTADDR);
}
mmio_write_32(reg, bootaddr);
}
uintptr_t mcucfg_get_bootaddr(int cluster, int cpu)
{
uintptr_t reg;
const uintptr_t mp2_bootreg[] = {
MCUCFG_MP2_RVADDR0, MCUCFG_MP2_RVADDR1,
MCUCFG_MP2_RVADDR2, MCUCFG_MP2_RVADDR3 };
if (cluster) {
assert(cpu >= 0 && cpu < 4);
reg = mp2_bootreg[cpu];
} else {
reg = per_cpu(cluster, cpu, MCUCFG_BOOTADDR);
}
return mmio_read_32(reg);
}
void mcucfg_init_archstate(int cluster, int cpu, int arm64)
{
uintptr_t reg;
int i;
reg = per_cluster(cluster, MCUCFG_INITARCH);
i = cluster ? 16 : 12;
mmio_setbits_32(reg, (arm64 & 1) << (i + cpu));
}
/**
* Return power state of specified subsystem
*
* @mask: mask to SPM_PWR_STATUS to query the power state
* of one subsystem.
* RETURNS:
* 0 (the subsys was powered off)
* 1 (the subsys was powered on)
*/
int spm_get_powerstate(uint32_t mask)
{
return mmio_read_32(SPM_PWR_STATUS) & mask;
}
int spm_get_cluster_powerstate(int cluster)
{
uint32_t mask;
mask = cluster ? PWR_STATUS_MP1_CPUTOP : PWR_STATUS_MP0_CPUTOP;
return spm_get_powerstate(mask);
}
int spm_get_cpu_powerstate(int cluster, int cpu)
{
uint32_t i;
/*
* a quick way to specify the mask of cpu[0-3]/cpu[4-7] in PWR_STATUS
* register which are the BITS[9:12](MP0_CPU0~3) and
* BITS[16:19](MP1_CPU0~3)
*/
i = (cluster) ? 16 : 9;
i = 1 << (i + cpu);
return spm_get_powerstate(i);
}
int spmc_init(void)
{
/* enable SPM register control */
mmio_write_32(SPM_POWERON_CONFIG_EN,
PROJECT_CODE | MD_BCLK_CG_EN | BCLK_CG_EN);
#if SPMC_MODE == 1
INFO("SPM: enable SPMC mode\n");
/* 0: SPMC mode 1: Legacy mode */
mmio_write_32(SPM_BYPASS_SPMC, 0);
mmio_clrbits_32(per_cluster(0, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(0, 0, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(0, 1, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(0, 2, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(0, 3, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_setbits_32(per_cpu(0, 1, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
mmio_setbits_32(per_cpu(0, 2, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
mmio_setbits_32(per_cpu(0, 3, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
#endif
mmio_clrbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON_2ND);
mmio_setbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_RST_B);
mmio_clrbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_CLK_DIS);
mmio_clrbits_32(per_cpu(1, 0, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(1, 1, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(1, 2, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_clrbits_32(per_cpu(1, 3, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
mmio_setbits_32(per_cpu(1, 0, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
mmio_setbits_32(per_cpu(1, 1, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
mmio_setbits_32(per_cpu(1, 2, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
mmio_setbits_32(per_cpu(1, 3, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
return 0;
}
/**
* Power on a core with specified cluster and core index
*
* @cluster: the cluster ID of the CPU which to be powered on
* @cpu: the CPU ID of the CPU which to be powered on
*/
void spm_poweron_cpu(int cluster, int cpu)
{
INFO("spmc: power on core %d.%d\n", cluster, cpu);
/* STA_POWER_ON */
/* Start to turn on MP0_CPU0 */
/* Set PWR_RST_B = 1 */
mmio_setbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
/* Set PWR_ON = 1 */
mmio_setbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
/* Wait until MP0_CPU0_PWR_STA_MASK = 1 */
while (!spm_get_cpu_powerstate(cluster, cpu))
;
/* Finish to turn on MP0_CPU0 */
INFO("spmc: power on core %d.%d successfully\n", cluster, cpu);
}
/**
* Power off a core with specified cluster and core index
*
* @cluster: the cluster ID of the CPU which to be powered off
* @cpu: the CPU ID of the CPU which to be powered off
*/
void spm_poweroff_cpu(int cluster, int cpu)
{
INFO("spmc: power off core %d.%d\n", cluster, cpu);
/* Start to turn off MP0_CPU0 */
/* Set PWR_ON_2ND = 0 */
mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
/* Set PWR_ON = 0 */
mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
/* Wait until MP0_CPU0_PWR_STA_MASK = 0 */
while (spm_get_cpu_powerstate(cluster, cpu))
;
/* Set PWR_RST_B = 0 */
mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
/* Finish to turn off MP0_CPU0 */
INFO("spmc: power off core %d.%d successfully\n", cluster, cpu);
}
/**
* Power off a cluster with specified index
*
* @cluster: the cluster index which to be powered off
*/
void spm_poweroff_cluster(int cluster)
{
uint32_t mask;
uint32_t pwr_rst_ctl;
INFO("spmc: power off cluster %d\n", cluster);
/* Start to turn off MP0_CPUTOP */
/* Set bus protect - step1 : 0 */
mask = (cluster) ? MP1_CPUTOP_PROT_STEP1_0_MASK :
MP0_CPUTOP_PROT_STEP1_0_MASK;
mmio_write_32(INFRA_TOPAXI_PROTECTEN_1_SET, mask);
while ((mmio_read_32(INFRA_TOPAXI_PROTECTEN_STA1_1) & mask) != mask)
;
/* Set PWR_ON_2ND = 0 */
mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
PWRCTRL_PWR_ON_2ND);
/* SPMC_DORMANT_ENABLE[0]=0 */
mask = (cluster) ? MP1_SPMC_SRAM_DORMANT_EN : MP0_SPMC_SRAM_DORMANT_EN;
mmio_clrbits_32(SPM_SPMC_DORMANT_ENABLE, mask);
/* Set PWR_ON = 0" */
mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
/* Wait until MP0_CPUTOP_PWR_STA_MASK = 0 */
while (spm_get_cluster_powerstate(cluster))
;
/* NOTE
* Following flow only for BIG core cluster. It was from
* application note but not covered in mtcmos_ctrl.c
*/
if (cluster) {
pwr_rst_ctl = mmio_read_32(MCUCFG_MP2_PWR_RST_CTL);
mmio_write_32(MCUCFG_MP2_PWR_RST_CTL,
(pwr_rst_ctl & ~SW_RST_B) | TOPAON_APB_MASK);
}
/* CPU_EXT_BUCK_ISO[0]=1 */
if (cluster)
mmio_setbits_32(SPM_CPU_EXT_BUCK_ISO, MP1_EXT_BUCK_ISO);
/* Finish to turn off MP0_CPUTOP */
INFO("spmc: power off cluster %d successfully\n", cluster);
}
/**
* Power on a cluster with specified index
*
* @cluster: the cluster index which to be powered on
*/
void spm_poweron_cluster(int cluster)
{
uint32_t mask;
uint32_t pwr_rst_ctl;
INFO("spmc: power on cluster %d\n", cluster);
/* Start to turn on MP1_CPUTOP */
/* NOTE
* Following flow only for BIG core cluster. It was from
* application note but not covered in mtcmos_ctrl.c
*/
if (cluster) {
mmio_clrbits_32(MCUCFG_MP2_PWR_RST_CTL, SW_RST_B);
/* CPU_EXT_BUCK_ISO[1]=0 */
/* Set mp<n>_vproc_ext_off to 0 to release vproc isolation control */
mmio_clrbits_32(SPM_CPU_EXT_BUCK_ISO, MP1_EXT_BUCK_ISO);
/* NOTE
* Following flow only for BIG core cluster. It was from
* application note but not covered in mtcmos_ctrl.c
*/
pwr_rst_ctl = mmio_read_32(MCUCFG_MP2_PWR_RST_CTL);
mmio_write_32(MCUCFG_MP2_PWR_RST_CTL,
(pwr_rst_ctl | SW_RST_B) & ~TOPAON_APB_MASK);
}
/* Set PWR_ON_2ND = 0 */
mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
PWRCTRL_PWR_ON_2ND);
/* Set PWR_RST_B = 1 */
mmio_setbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
PWRCTRL_PWR_RST_B);
/* Set PWR_CLK_DIS = 0 */
mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
PWRCTRL_PWR_CLK_DIS);
/* Set PWR_ON = 1 */
mmio_setbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
/* Wait until MP1_CPUTOP_PWR_STA_MASK = 1 */
while (!spm_get_cluster_powerstate(cluster))
;
/* Release bus protect - step1 : 0 */
mask = (cluster) ? MP1_CPUTOP_PROT_STEP1_0_MASK :
MP0_CPUTOP_PROT_STEP1_0_MASK;
mmio_write_32(INFRA_TOPAXI_PROTECTEN_1_CLR, mask);
/* Finish to turn on MP1_CPUTOP */
INFO("spmc: power on cluster %d successfully\n", cluster);
}

View File

@ -0,0 +1,42 @@
/*
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef MTSPMC_H
#define MTSPMC_H
/*
* CONFIG_SPMC_MODE: Select CPU power control mode.
*
* 0: Legacy
* Control power flow from SW through SPM register (MP*_PWR_CON).
* 1: HW
* Control power flow from SPMC. Most control flow and timing are handled
* by SPMC.
*/
#define SPMC_MODE 1
int spmc_init(void);
void spm_poweron_cpu(int cluster, int cpu);
void spm_poweroff_cpu(int cluster, int cpu);
void spm_poweroff_cluster(int cluster);
void spm_poweron_cluster(int cluster);
int spm_get_cpu_powerstate(int cluster, int cpu);
int spm_get_cluster_powerstate(int cluster);
int spm_get_powerstate(uint32_t mask);
void spm_enable_cpu_auto_off(int cluster, int cpu);
void spm_disable_cpu_auto_off(int cluster, int cpu);
void spm_set_cpu_power_off(int cluster, int cpu);
void spm_enable_cluster_auto_off(int cluster);
void mcucfg_init_archstate(int cluster, int cpu, int arm64);
void mcucfg_set_bootaddr(int cluster, int cpu, uintptr_t bootaddr);
uintptr_t mcucfg_get_bootaddr(int cluster, int cpu);
#endif /* MTSPMC_H */

View File

@ -0,0 +1,239 @@
/*
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef MTSPMC_PRIVATE_H
#define MTSPMC_PRIVATE_H
/*
* per_cpu/cluster helper
*/
struct per_cpu_reg {
int cluster_addr;
int cpu_stride;
};
#define per_cpu(cluster, cpu, reg) (reg[cluster].cluster_addr + \
(cpu << reg[cluster].cpu_stride))
#define per_cluster(cluster, reg) (reg[cluster].cluster_addr)
/* SPMC related registers */
#define SPM_POWERON_CONFIG_EN (SPM_BASE + 0x000)
/* bit-fields of SPM_POWERON_CONFIG_EN */
#define BCLK_CG_EN (1 << 0)
#define MD_BCLK_CG_EN (1 << 1)
#define PROJECT_CODE (0xb16 << 16)
#define SPM_PWR_STATUS (SPM_BASE + 0x180)
#define SPM_PWR_STATUS_2ND (SPM_BASE + 0x184)
#define SPM_BYPASS_SPMC (SPM_BASE + 0x2b4)
#define SPM_SPMC_DORMANT_ENABLE (SPM_BASE + 0x2b8)
#define SPM_MP0_CPUTOP_PWR_CON (SPM_BASE + 0x204)
#define SPM_MP0_CPU0_PWR_CON (SPM_BASE + 0x208)
#define SPM_MP0_CPU1_PWR_CON (SPM_BASE + 0x20C)
#define SPM_MP0_CPU2_PWR_CON (SPM_BASE + 0x210)
#define SPM_MP0_CPU3_PWR_CON (SPM_BASE + 0x214)
#define SPM_MP1_CPUTOP_PWR_CON (SPM_BASE + 0x218)
#define SPM_MP1_CPU0_PWR_CON (SPM_BASE + 0x21C)
#define SPM_MP1_CPU1_PWR_CON (SPM_BASE + 0x220)
#define SPM_MP1_CPU2_PWR_CON (SPM_BASE + 0x224)
#define SPM_MP1_CPU3_PWR_CON (SPM_BASE + 0x228)
#define SPM_MP0_CPUTOP_L2_PDN (SPM_BASE + 0x240)
#define SPM_MP0_CPUTOP_L2_SLEEP_B (SPM_BASE + 0x244)
#define SPM_MP0_CPU0_L1_PDN (SPM_BASE + 0x248)
#define SPM_MP0_CPU1_L1_PDN (SPM_BASE + 0x24C)
#define SPM_MP0_CPU2_L1_PDN (SPM_BASE + 0x250)
#define SPM_MP0_CPU3_L1_PDN (SPM_BASE + 0x254)
#define SPM_MP1_CPUTOP_L2_PDN (SPM_BASE + 0x258)
#define SPM_MP1_CPUTOP_L2_SLEEP_B (SPM_BASE + 0x25C)
#define SPM_MP1_CPU0_L1_PDN (SPM_BASE + 0x260)
#define SPM_MP1_CPU1_L1_PDN (SPM_BASE + 0x264)
#define SPM_MP1_CPU2_L1_PDN (SPM_BASE + 0x268)
#define SPM_MP1_CPU3_L1_PDN (SPM_BASE + 0x26C)
#define SPM_CPU_EXT_BUCK_ISO (SPM_BASE + 0x290)
/* bit-fields of SPM_CPU_EXT_BUCK_ISO */
#define MP0_EXT_BUCK_ISO (1 << 0)
#define MP1_EXT_BUCK_ISO (1 << 1)
#define MP_EXT_BUCK_ISO (1 << 2)
/* bit-fields of SPM_PWR_STATUS */
#define PWR_STATUS_MD (1 << 0)
#define PWR_STATUS_CONN (1 << 1)
#define PWR_STATUS_DDRPHY (1 << 2)
#define PWR_STATUS_DISP (1 << 3)
#define PWR_STATUS_MFG (1 << 4)
#define PWR_STATUS_ISP (1 << 5)
#define PWR_STATUS_INFRA (1 << 6)
#define PWR_STATUS_VDEC (1 << 7)
#define PWR_STATUS_MP0_CPUTOP (1 << 8)
#define PWR_STATUS_MP0_CPU0 (1 << 9)
#define PWR_STATUS_MP0_CPU1 (1 << 10)
#define PWR_STATUS_MP0_CPU2 (1 << 11)
#define PWR_STATUS_MP0_CPU3 (1 << 12)
#define PWR_STATUS_MCUSYS (1 << 14)
#define PWR_STATUS_MP1_CPUTOP (1 << 15)
#define PWR_STATUS_MP1_CPU0 (1 << 16)
#define PWR_STATUS_MP1_CPU1 (1 << 17)
#define PWR_STATUS_MP1_CPU2 (1 << 18)
#define PWR_STATUS_MP1_CPU3 (1 << 19)
#define PWR_STATUS_VEN (1 << 21)
#define PWR_STATUS_MFG_ASYNC (1 << 23)
#define PWR_STATUS_AUDIO (1 << 24)
#define PWR_STATUS_C2K (1 << 28)
#define PWR_STATUS_MD_INFRA (1 << 29)
/* bit-fields of SPM_*_PWR_CON */
#define PWRCTRL_PWR_RST_B (1 << 0)
#define PWRCTRL_PWR_ISO (1 << 1)
#define PWRCTRL_PWR_ON (1 << 2)
#define PWRCTRL_PWR_ON_2ND (1 << 3)
#define PWRCTRL_PWR_CLK_DIS (1 << 4)
#define PWRCTRL_PWR_SRAM_CKISO (1 << 5)
#define PWRCTRL_PWR_SRAM_ISOINT_B (1 << 6)
#define PWRCTRL_PWR_SRAM_PD_SLPB_CLAMP (1 << 7)
#define PWRCTRL_PWR_SRAM_PDN (1 << 8)
#define PWRCTRL_PWR_SRAM_SLEEP_B (1 << 12)
#define PWRCTRL_PWR_SRAM_PDN_ACK (1 << 24)
#define PWRCTRL_PWR_SRAM_SLEEP_B_ACK (1 << 28)
/* per_cpu registers for SPM_MP?_CPU?_PWR_CON */
static const struct per_cpu_reg SPM_CPU_PWR[] = {
[0] = { .cluster_addr = SPM_MP0_CPU0_PWR_CON, .cpu_stride = 2 },
[1] = { .cluster_addr = SPM_MP1_CPU0_PWR_CON, .cpu_stride = 2 },
};
/* per_cluster registers for SPM_MP?_CPUTOP_PWR_CON */
static const struct per_cpu_reg SPM_CLUSTER_PWR[] = {
[0] = { .cluster_addr = SPM_MP0_CPUTOP_PWR_CON },
[1] = { .cluster_addr = SPM_MP1_CPUTOP_PWR_CON },
};
/* APB Module infracfg_ao */
#define INFRA_TOPAXI_PROTECTEN_1 (INFRACFG_AO_BASE + 0x250)
#define INFRA_TOPAXI_PROTECTEN_STA1_1 (INFRACFG_AO_BASE + 0x258)
#define INFRA_TOPAXI_PROTECTEN_1_SET (INFRACFG_AO_BASE + 0x2A8)
#define INFRA_TOPAXI_PROTECTEN_1_CLR (INFRACFG_AO_BASE + 0x2AC)
/* bit-fields of INFRA_TOPAXI_PROTECTEN_1_SET */
#define MP0_CPUTOP_PROT_STEP1_0_MASK ((1 << 10)|(1 << 12)| \
(1 << 13)|(1 << 26))
#define MP1_CPUTOP_PROT_STEP1_0_MASK ((1 << 11)|(1 << 14)| \
(1 << 15)|(1 << 27))
/* bit-fields of INFRA_TOPAXI_PROTECTEN_STA1_1 */
#define MP0_CPUTOP_PROT_STEP1_0_ACK_MASK ((1 << 10)|(1 << 12)| \
(1 << 13)|(1 << 26))
#define MP1_CPUTOP_PROT_STEP1_0_ACK_MASK ((1 << 11)|(1 << 14)| \
(1 << 15)|(1 << 27))
/*
* MCU configuration registers
*/
#define MCUCFG_MP0_AXI_CONFIG ((uintptr_t)&mt8183_mcucfg->mp0_axi_config)
#define MCUCFG_MP1_AXI_CONFIG ((uintptr_t)&mt8183_mcucfg->mp1_axi_config)
/* bit-fields of MCUCFG_MP?_AXI_CONFIG */
#define MCUCFG_AXI_CONFIG_BROADCASTINNER (1 << 0)
#define MCUCFG_AXI_CONFIG_BROADCASTOUTER (1 << 1)
#define MCUCFG_AXI_CONFIG_BROADCASTCACHEMAINT (1 << 2)
#define MCUCFG_AXI_CONFIG_SYSBARDISABLE (1 << 3)
#define MCUCFG_AXI_CONFIG_ACINACTM (1 << 4)
#define MCUCFG_AXI_CONFIG_AINACTS (1 << 5)
/* per_cpu registers for MCUCFG_MP?_AXI_CONFIG */
static const struct per_cpu_reg MCUCFG_SCUCTRL[] = {
[0] = { .cluster_addr = MCUCFG_MP0_AXI_CONFIG },
[1] = { .cluster_addr = MCUCFG_MP1_AXI_CONFIG },
};
#define MCUCFG_MP0_MISC_CONFIG2 ((uintptr_t)&mt8183_mcucfg->mp0_misc_config[2])
#define MCUCFG_MP0_MISC_CONFIG3 ((uintptr_t)&mt8183_mcucfg->mp0_misc_config[3])
#define MCUCFG_MP1_MISC_CONFIG2 ((uintptr_t)&mt8183_mcucfg->mp1_misc_config[2])
#define MCUCFG_MP1_MISC_CONFIG3 ((uintptr_t)&mt8183_mcucfg->mp1_misc_config[3])
#define MCUCFG_CPUSYS0_SPARKVRETCNTRL (MCUCFG_BASE + 0x1c00)
/* bit-fields of MCUCFG_CPUSYS0_SPARKVRETCNTRL */
#define CPU0_SPARK_VRET_CTRL (0x3f << 0)
#define CPU1_SPARK_VRET_CTRL (0x3f << 8)
#define CPU2_SPARK_VRET_CTRL (0x3f << 16)
#define CPU3_SPARK_VRET_CTRL (0x3f << 24)
/* SPARK control in little cores */
#define MCUCFG_CPUSYS0_CPU0_SPMC_CTL (MCUCFG_BASE + 0x1c30)
#define MCUCFG_CPUSYS0_CPU1_SPMC_CTL (MCUCFG_BASE + 0x1c34)
#define MCUCFG_CPUSYS0_CPU2_SPMC_CTL (MCUCFG_BASE + 0x1c38)
#define MCUCFG_CPUSYS0_CPU3_SPMC_CTL (MCUCFG_BASE + 0x1c3c)
/* bit-fields of MCUCFG_CPUSYS0_CPU?_SPMC_CTL */
#define SW_SPARK_EN (1 << 0)
#define SW_NO_WAIT_Q (1 << 1)
/* the MCUCFG which BIG cores used is at (MCUCFG_BASE + 0x2000) */
#define MCUCFG_MP2_BASE (MCUCFG_BASE + 0x2000)
#define MCUCFG_MP2_PWR_RST_CTL (MCUCFG_MP2_BASE + 0x8)
/* bit-fields of MCUCFG_MP2_PWR_RST_CTL */
#define SW_RST_B (1 << 0)
#define TOPAON_APB_MASK (1 << 1)
#define MCUCFG_MP2_CPUCFG (MCUCFG_MP2_BASE + 0x208)
#define MCUCFG_MP2_RVADDR0 (MCUCFG_MP2_BASE + 0x290)
#define MCUCFG_MP2_RVADDR1 (MCUCFG_MP2_BASE + 0x298)
#define MCUCFG_MP2_RVADDR2 (MCUCFG_MP2_BASE + 0x2c0)
#define MCUCFG_MP2_RVADDR3 (MCUCFG_MP2_BASE + 0x2c8)
/* SPMC control */
#define MCUCFG_MP0_SPMC (MCUCFG_BASE + 0x788)
#define MCUCFG_MP2_SPMC (MCUCFG_MP2_BASE + 0x2a0)
#define MCUCFG_MP2_COQ (MCUCFG_MP2_BASE + 0x2bC)
/* per_cpu registers for MCUCFG_MP?_MISC_CONFIG2 */
static const struct per_cpu_reg MCUCFG_BOOTADDR[] = {
[0] = { .cluster_addr = MCUCFG_MP0_MISC_CONFIG2, .cpu_stride = 3 },
};
/* per_cpu registers for MCUCFG_MP?_MISC_CONFIG3 */
static const struct per_cpu_reg MCUCFG_INITARCH[] = {
[0] = { .cluster_addr = MCUCFG_MP0_MISC_CONFIG3 },
[1] = { .cluster_addr = MCUCFG_MP2_CPUCFG },
};
/* SPARK control in BIG cores */
#define MCUCFG_MP2_PTP3_CPU0_SPMC0 (MCUCFG_MP2_BASE + 0x430)
#define MCUCFG_MP2_PTP3_CPU0_SPMC1 (MCUCFG_MP2_BASE + 0x434)
#define MCUCFG_MP2_PTP3_CPU1_SPMC0 (MCUCFG_MP2_BASE + 0x438)
#define MCUCFG_MP2_PTP3_CPU1_SPMC1 (MCUCFG_MP2_BASE + 0x43c)
#define MCUCFG_MP2_PTP3_CPU2_SPMC0 (MCUCFG_MP2_BASE + 0x440)
#define MCUCFG_MP2_PTP3_CPU2_SPMC1 (MCUCFG_MP2_BASE + 0x444)
#define MCUCFG_MP2_PTP3_CPU3_SPMC0 (MCUCFG_MP2_BASE + 0x448)
#define MCUCFG_MP2_PTP3_CPU3_SPMC1 (MCUCFG_MP2_BASE + 0x44c)
/* bit-fields of MCUCFG_MP2_PTP3_CPU?_SPMC? */
#define SW_SPARK_EN (1 << 0)
#define SW_NO_WAIT_Q (1 << 1)
#define MCUCFG_MP2_SPARK2LDO (MCUCFG_MP2_BASE + 0x700)
/* bit-fields of MCUCFG_MP2_SPARK2LDO */
#define SPARK_VRET_CTRL (0x3f << 0)
#define CPU0_SPARK_LDO_AMUXSEL (0xf << 6)
#define CPU1_SPARK_LDO_AMUXSEL (0xf << 10)
#define CPU2_SPARK_LDO_AMUXSEL (0xf << 14)
#define CPU3_SPARK_LDO_AMUXSEL (0xf << 18)
/* per_cpu registers for SPARK */
static const struct per_cpu_reg MCUCFG_SPARK[] = {
[0] = { .cluster_addr = MCUCFG_CPUSYS0_CPU0_SPMC_CTL, .cpu_stride = 2 },
[1] = { .cluster_addr = MCUCFG_MP2_PTP3_CPU0_SPMC0, .cpu_stride = 3 },
};
/* per_cpu registers for SPARK2LDO */
static const struct per_cpu_reg MCUCFG_SPARK2LDO[] = {
[0] = { .cluster_addr = MCUCFG_CPUSYS0_SPARKVRETCNTRL },
[1] = { .cluster_addr = MCUCFG_MP2_SPARK2LDO },
};
#endif /* MTSPMC_PRIVATE_H */

View File

@ -0,0 +1,53 @@
/*
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PLAT_DCM_H
#define PLAT_DCM_H
#define MP2_SYNC_DCM (MCUCFG_BASE + 0x2274)
#define MP2_SYNC_DCM_MASK (0x1 << 0)
#define MP2_SYNC_DCM_ON (0x1 << 0)
#define MP2_SYNC_DCM_OFF (0x0 << 0)
extern uint64_t plat_dcm_mcsi_a_addr;
extern uint32_t plat_dcm_mcsi_a_val;
extern int plat_dcm_initiated;
extern void plat_dcm_mcsi_a_backup(void);
extern void plat_dcm_mcsi_a_restore(void);
extern void plat_dcm_rgu_enable(void);
extern void plat_dcm_restore_cluster_on(unsigned long mpidr);
extern void plat_dcm_msg_handler(uint64_t x1);
extern unsigned long plat_dcm_get_enabled_cnt(uint64_t type);
extern void plat_dcm_init(void);
#define ALL_DCM_TYPE (ARMCORE_DCM_TYPE | MCUSYS_DCM_TYPE \
| STALL_DCM_TYPE | BIG_CORE_DCM_TYPE \
| GIC_SYNC_DCM_TYPE | RGU_DCM_TYPE \
| INFRA_DCM_TYPE \
| DDRPHY_DCM_TYPE | EMI_DCM_TYPE | DRAMC_DCM_TYPE \
| MCSI_DCM_TYPE)
enum {
ARMCORE_DCM_TYPE = (1U << 0),
MCUSYS_DCM_TYPE = (1U << 1),
INFRA_DCM_TYPE = (1U << 2),
PERI_DCM_TYPE = (1U << 3),
EMI_DCM_TYPE = (1U << 4),
DRAMC_DCM_TYPE = (1U << 5),
DDRPHY_DCM_TYPE = (1U << 6),
STALL_DCM_TYPE = (1U << 7),
BIG_CORE_DCM_TYPE = (1U << 8),
GIC_SYNC_DCM_TYPE = (1U << 9),
LAST_CORE_DCM_TYPE = (1U << 10),
RGU_DCM_TYPE = (1U << 11),
TOPCKG_DCM_TYPE = (1U << 12),
LPDMA_DCM_TYPE = (1U << 13),
MCSI_DCM_TYPE = (1U << 14),
NR_DCM_TYPE = 15,
};
#endif /* PLAT_DCM_H */

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,112 @@
/*
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <lib/bakery_lock.h>
#include <drivers/console.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <plat_dcm.h>
#include <plat_private.h>
#include <plat_dcm.h>
#include <plat/common/platform.h>
#include <platform_def.h>
#include <mtk_plat_common.h>
#define PWR_STATUS (SPM_BASE + 0x180)
uint64_t plat_dcm_mcsi_a_addr;
uint32_t plat_dcm_mcsi_a_val;
static int plat_dcm_init_type;
static unsigned int dcm_big_core_cnt;
int plat_dcm_initiated;
#define PWR_STA_BIG_MP_MASK (0x1 << 15)
DEFINE_BAKERY_LOCK(dcm_lock);
void dcm_lock_init(void)
{
bakery_lock_init(&dcm_lock);
}
void dcm_lock_get(void)
{
bakery_lock_get(&dcm_lock);
}
void dcm_lock_release(void)
{
bakery_lock_release(&dcm_lock);
}
void plat_dcm_mcsi_a_backup(void)
{
}
void plat_dcm_mcsi_a_restore(void)
{
}
void plat_dcm_rgu_enable(void)
{
}
void plat_dcm_big_core_sync(short on)
{
/* Check if Big cluster power is existed */
if (!(mmio_read_32(PWR_STATUS) & PWR_STA_BIG_MP_MASK))
return;
if (on) {
mmio_write_32(MP2_SYNC_DCM,
(mmio_read_32(MP2_SYNC_DCM) & ~MP2_SYNC_DCM_MASK)
| MP2_SYNC_DCM_ON);
dcm_big_core_cnt++;
} else
mmio_write_32(MP2_SYNC_DCM,
(mmio_read_32(MP2_SYNC_DCM) & ~MP2_SYNC_DCM_MASK)
| MP2_SYNC_DCM_OFF);
}
void plat_dcm_restore_cluster_on(unsigned long mpidr)
{
unsigned long cluster_id =
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS;
switch (cluster_id) {
case 0x1:
dcm_lock_get();
if (plat_dcm_init_type & BIG_CORE_DCM_TYPE)
plat_dcm_big_core_sync(1);
else
plat_dcm_big_core_sync(0);
dcm_lock_release();
break;
default:
break;
}
}
void plat_dcm_msg_handler(uint64_t x1)
{
plat_dcm_init_type = x1 & ALL_DCM_TYPE;
}
unsigned long plat_dcm_get_enabled_cnt(uint64_t type)
{
switch (type) {
case BIG_CORE_DCM_TYPE:
return dcm_big_core_cnt;
default:
return 0;
}
}
void plat_dcm_init(void)
{
dcm_lock_init();
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -15,21 +15,114 @@
/* mediatek platform specific headers */
#include <platform_def.h>
#include <scu.h>
#include <mt_gic_v3.h>
#include <mtk_plat_common.h>
#include <mtspmc.h>
#include <power_tracer.h>
#include <plat_dcm.h>
#include <plat_debug.h>
#include <plat_private.h>
#define MTK_LOCAL_STATE_OFF 2
static uintptr_t secure_entrypoint;
static void mp1_L2_desel_config(void)
{
mmio_write_64(MCUCFG_BASE + 0x2200, 0x2092c820);
dsb();
}
static int plat_mtk_power_domain_on(unsigned long mpidr)
{
int cpu = MPIDR_AFFLVL0_VAL(mpidr);
int cluster = MPIDR_AFFLVL1_VAL(mpidr);
INFO("%s():%d: mpidr: %lx, c.c: %d.%d\n",
__func__, __LINE__, mpidr, cluster, cpu);
/* power on cluster */
if (!spm_get_cluster_powerstate(cluster)) {
spm_poweron_cluster(cluster);
if (cluster == 1) {
l2c_parity_check_setup();
circular_buffer_setup();
mp1_L2_desel_config();
mt_gic_sync_dcm_disable();
}
}
/* init cpu reset arch as AARCH64 */
mcucfg_init_archstate(cluster, cpu, 1);
mcucfg_set_bootaddr(cluster, cpu, secure_entrypoint);
spm_poweron_cpu(cluster, cpu);
return PSCI_E_SUCCESS;
}
static void plat_mtk_power_domain_off(const psci_power_state_t *state)
{
uint64_t mpidr = read_mpidr();
int cpu = MPIDR_AFFLVL0_VAL(mpidr);
int cluster = MPIDR_AFFLVL1_VAL(mpidr);
INFO("%s():%d: c.c: %d.%d\n", __func__, __LINE__, cluster, cpu);
/* Prevent interrupts from spuriously waking up this cpu */
mt_gic_cpuif_disable();
spm_enable_cpu_auto_off(cluster, cpu);
if (state->pwr_domain_state[MPIDR_AFFLVL1] == MTK_LOCAL_STATE_OFF) {
if (cluster == 1)
mt_gic_sync_dcm_enable();
plat_mtk_cci_disable();
spm_enable_cluster_auto_off(cluster);
}
spm_set_cpu_power_off(cluster, cpu);
}
static void plat_mtk_power_domain_on_finish(const psci_power_state_t *state)
{
uint64_t mpidr = read_mpidr();
int cpu = MPIDR_AFFLVL0_VAL(mpidr);
int cluster = MPIDR_AFFLVL1_VAL(mpidr);
INFO("%s():%d: c.c: %d.%d\n", __func__, __LINE__, cluster, cpu);
assert(state->pwr_domain_state[MPIDR_AFFLVL0] == MTK_LOCAL_STATE_OFF);
if (state->pwr_domain_state[MPIDR_AFFLVL1] == MTK_LOCAL_STATE_OFF) {
enable_scu(mpidr);
/* Enable coherency if this cluster was off */
plat_mtk_cci_enable();
/* Enable big core dcm if this cluster was on */
plat_dcm_restore_cluster_on(mpidr);
/* Enable rgu dcm if this cluster was off */
plat_dcm_rgu_enable();
}
spm_disable_cpu_auto_off(cluster, cpu);
/* Enable the gic cpu interface */
mt_gic_pcpu_init();
mt_gic_cpuif_enable();
}
/*******************************************************************************
* MTK_platform handler called when an affinity instance is about to be turned
* on. The level and mpidr determine the affinity instance.
******************************************************************************/
static uintptr_t secure_entrypoint;
static const plat_psci_ops_t plat_plat_pm_ops = {
.cpu_standby = NULL,
.pwr_domain_on = NULL,
.pwr_domain_on_finish = NULL,
.pwr_domain_off = NULL,
.pwr_domain_on = plat_mtk_power_domain_on,
.pwr_domain_on_finish = plat_mtk_power_domain_on_finish,
.pwr_domain_off = plat_mtk_power_domain_off,
.pwr_domain_suspend = NULL,
.pwr_domain_suspend_finish = NULL,
.system_off = NULL,

View File

@ -1,5 +1,5 @@
#
# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2019, MediaTek Inc. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@ -9,6 +9,7 @@ MTK_PLAT_SOC := ${MTK_PLAT}/${PLAT}
PLAT_INCLUDES := -I${MTK_PLAT}/common/ \
-I${MTK_PLAT_SOC}/drivers/ \
-I${MTK_PLAT_SOC}/drivers/spmc/ \
-I${MTK_PLAT_SOC}/include/
PLAT_BL_COMMON_SOURCES := lib/xlat_tables/aarch64/xlat_tables.c \
@ -35,9 +36,11 @@ BL31_SOURCES += common/desc_image_load.c \
${MTK_PLAT_SOC}/aarch64/plat_helpers.S \
${MTK_PLAT_SOC}/aarch64/platform_common.c \
${MTK_PLAT_SOC}/drivers/mcsi/mcsi.c \
${MTK_PLAT_SOC}/drivers/spmc/mtspmc.c \
${MTK_PLAT_SOC}/plat_pm.c \
${MTK_PLAT_SOC}/plat_topology.c \
${MTK_PLAT_SOC}/plat_mt_gic.c \
${MTK_PLAT_SOC}/plat_dcm.c \
${MTK_PLAT_SOC}/bl31_plat_setup.c \
${MTK_PLAT_SOC}/plat_debug.c \
${MTK_PLAT_SOC}/scu.c