GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

This commit is contained in:
lai
2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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/*
* Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdbool.h>
#include <platform_def.h>
#include <arch_helpers.h>
#include <context.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/arm/cci.h>
#include <drivers/console.h>
#include <lib/el3_runtime/context_mgmt.h>
#include <lib/mmio.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include <imx8qm_pads.h>
#include <imx8_iomux.h>
#include <imx8_lpuart.h>
#include <plat_imx8.h>
#include <sci/sci.h>
#include <sec_rsrc.h>
static const unsigned long BL31_COHERENT_RAM_START = BL_COHERENT_RAM_BASE;
static const unsigned long BL31_COHERENT_RAM_END = BL_COHERENT_RAM_END;
static const unsigned long BL31_RO_START = BL_CODE_BASE;
static const unsigned long BL31_RO_END = BL_CODE_END;
static const unsigned long BL31_RW_END = BL_END;
IMPORT_SYM(unsigned long, __RW_START__, BL31_RW_START);
static entry_point_info_t bl32_image_ep_info;
static entry_point_info_t bl33_image_ep_info;
#define UART_PAD_CTRL (PADRING_IFMUX_EN_MASK | PADRING_GP_EN_MASK | \
(SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PD << PADRING_PULL_SHIFT))
#if defined(IMX_USE_UART0)
#define IMX_RES_UART SC_R_UART_0
#define IMX_PAD_UART_RX SC_P_UART0_RX
#define IMX_PAD_UART_TX SC_P_UART0_TX
#define IMX_PAD_UART_RTS_B SC_P_UART0_RTS_B
#define IMX_PAD_UART_CTS_B SC_P_UART0_CTS_B
#elif defined(IMX_USE_UART1)
#define IMX_RES_UART SC_R_UART_1
#define IMX_PAD_UART_RX SC_P_UART1_RX
#define IMX_PAD_UART_TX SC_P_UART1_TX
#define IMX_PAD_UART_RTS_B SC_P_UART1_RTS_B
#define IMX_PAD_UART_CTS_B SC_P_UART1_CTS_B
#else
#error "Provide proper UART number in IMX_DEBUG_UART"
#endif
const static int imx8qm_cci_map[] = {
CLUSTER0_CCI_SLVAE_IFACE,
CLUSTER1_CCI_SLVAE_IFACE
};
static const mmap_region_t imx_mmap[] = {
MAP_REGION_FLAT(IMX_REG_BASE, IMX_REG_SIZE, MT_DEVICE | MT_RW),
{0}
};
static uint32_t get_spsr_for_bl33_entry(void)
{
unsigned long el_status;
unsigned long mode;
uint32_t spsr;
/* figure out what mode we enter the non-secure world */
el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
el_status &= ID_AA64PFR0_ELX_MASK;
mode = (el_status) ? MODE_EL2 : MODE_EL1;
spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#if DEBUG_CONSOLE_A53
static void lpuart32_serial_setbrg(unsigned int base, int baudrate)
{
unsigned int sbr, osr, baud_diff, tmp_osr, tmp_sbr;
unsigned int diff1, diff2, tmp, rate;
if (baudrate == 0)
panic();
sc_pm_get_clock_rate(ipc_handle, IMX_RES_UART, 2, &rate);
baud_diff = baudrate;
osr = 0;
sbr = 0;
for (tmp_osr = 4; tmp_osr <= 32; tmp_osr++) {
tmp_sbr = (rate / (baudrate * tmp_osr));
if (tmp_sbr == 0)
tmp_sbr = 1;
/* calculate difference in actual baud w/ current values */
diff1 = rate / (tmp_osr * tmp_sbr) - baudrate;
diff2 = rate / (tmp_osr * (tmp_sbr + 1));
/* select best values between sbr and sbr+1 */
if (diff1 > (baudrate - diff2)) {
diff1 = baudrate - diff2;
tmp_sbr++;
}
if (diff1 <= baud_diff) {
baud_diff = diff1;
osr = tmp_osr;
sbr = tmp_sbr;
}
}
tmp = mmio_read_32(IMX_BOOT_UART_BASE + BAUD);
if ((osr > 3) && (osr < 8))
tmp |= LPUART_BAUD_BOTHEDGE_MASK;
tmp &= ~LPUART_BAUD_OSR_MASK;
tmp |= LPUART_BAUD_OSR(osr - 1);
tmp &= ~LPUART_BAUD_SBR_MASK;
tmp |= LPUART_BAUD_SBR(sbr);
/* explicitly disable 10 bit mode & set 1 stop bit */
tmp &= ~(LPUART_BAUD_M10_MASK | LPUART_BAUD_SBNS_MASK);
mmio_write_32(IMX_BOOT_UART_BASE + BAUD, tmp);
}
static int lpuart32_serial_init(unsigned int base)
{
unsigned int tmp;
/* disable TX & RX before enabling clocks */
tmp = mmio_read_32(IMX_BOOT_UART_BASE + CTRL);
tmp &= ~(CTRL_TE | CTRL_RE);
mmio_write_32(IMX_BOOT_UART_BASE + CTRL, tmp);
mmio_write_32(IMX_BOOT_UART_BASE + MODIR, 0);
mmio_write_32(IMX_BOOT_UART_BASE + FIFO, ~(FIFO_TXFE | FIFO_RXFE));
mmio_write_32(IMX_BOOT_UART_BASE + MATCH, 0);
/* provide data bits, parity, stop bit, etc */
lpuart32_serial_setbrg(base, IMX_BOOT_UART_BAUDRATE);
/* eight data bits no parity bit */
tmp = mmio_read_32(IMX_BOOT_UART_BASE + CTRL);
tmp &= ~(LPUART_CTRL_PE_MASK | LPUART_CTRL_PT_MASK | LPUART_CTRL_M_MASK);
mmio_write_32(IMX_BOOT_UART_BASE + CTRL, tmp);
mmio_write_32(IMX_BOOT_UART_BASE + CTRL, CTRL_RE | CTRL_TE);
mmio_write_32(IMX_BOOT_UART_BASE + DATA, 0x55);
mmio_write_32(IMX_BOOT_UART_BASE + DATA, 0x55);
mmio_write_32(IMX_BOOT_UART_BASE + DATA, 0x0A);
return 0;
}
#endif
void mx8_partition_resources(void)
{
sc_rm_pt_t secure_part, os_part;
sc_rm_mr_t mr, mr_record = 64;
sc_faddr_t start, end;
bool owned, owned2;
sc_err_t err;
int i;
err = sc_rm_get_partition(ipc_handle, &secure_part);
err = sc_rm_partition_alloc(ipc_handle, &os_part, false, false,
false, false, false);
err = sc_rm_set_parent(ipc_handle, os_part, secure_part);
/* set secure resources to NOT-movable */
for (i = 0; i < ARRAY_SIZE(secure_rsrcs); i++) {
err = sc_rm_set_resource_movable(ipc_handle, secure_rsrcs[i],
secure_rsrcs[i], false);
if (err)
ERROR("sc_rm_set_resource_movable: rsrc %u, ret %u\n",
secure_rsrcs[i], err);
}
owned = sc_rm_is_resource_owned(ipc_handle, SC_R_M4_0_PID0);
if (owned) {
err = sc_rm_set_resource_movable(ipc_handle, SC_R_M4_0_PID0,
SC_R_M4_0_PID0, false);
if (err)
ERROR("sc_rm_set_resource_movable: rsrc %u, ret %u\n",
SC_R_M4_0_PID0, err);
}
owned2 = sc_rm_is_resource_owned(ipc_handle, SC_R_M4_1_PID0);
if (owned2) {
err = sc_rm_set_resource_movable(ipc_handle, SC_R_M4_1_PID0,
SC_R_M4_1_PID0, false);
if (err)
ERROR("sc_rm_set_resource_movable: rsrc %u, ret %u\n",
SC_R_M4_1_PID0, err);
}
/* move all movable resources and pins to non-secure partition */
err = sc_rm_move_all(ipc_handle, secure_part, os_part, true, true);
if (err)
ERROR("sc_rm_move_all: %u\n", err);
/* iterate through peripherals to give NS OS part access */
for (i = 0; i < ARRAY_SIZE(ns_access_allowed); i++) {
err = sc_rm_set_peripheral_permissions(ipc_handle, ns_access_allowed[i],
os_part, SC_RM_PERM_FULL);
if (err)
ERROR("sc_rm_set_peripheral_permissions: rsrc %u, \
ret %u\n", ns_access_allowed[i], err);
}
if (owned) {
err = sc_rm_set_resource_movable(ipc_handle, SC_R_M4_0_PID0,
SC_R_M4_0_PID0, true);
if (err)
ERROR("sc_rm_set_resource_movable: rsrc %u, ret %u\n",
SC_R_M4_0_PID0, err);
err = sc_rm_assign_resource(ipc_handle, os_part, SC_R_M4_0_PID0);
if (err)
ERROR("sc_rm_assign_resource: rsrc %u, ret %u\n",
SC_R_M4_0_PID0, err);
}
if (owned2) {
err = sc_rm_set_resource_movable(ipc_handle, SC_R_M4_1_PID0,
SC_R_M4_1_PID0, true);
if (err)
ERROR("sc_rm_set_resource_movable: rsrc %u, ret %u\n",
SC_R_M4_1_PID0, err);
err = sc_rm_assign_resource(ipc_handle, os_part, SC_R_M4_1_PID0);
if (err)
ERROR("sc_rm_assign_resource: rsrc %u, ret %u\n",
SC_R_M4_1_PID0, err);
}
/*
* sc_rm_set_peripheral_permissions
* sc_rm_set_memreg_permissions
* sc_rm_set_pin_movable
*/
for (mr = 0; mr < 64; mr++) {
owned = sc_rm_is_memreg_owned(ipc_handle, mr);
if (owned) {
err = sc_rm_get_memreg_info(ipc_handle, mr, &start, &end);
if (err)
ERROR("Memreg get info failed, %u\n", mr);
NOTICE("Memreg %u 0x%" PRIx64 " -- 0x%" PRIx64 "\n", mr, start, end);
if (BL31_BASE >= start && (BL31_LIMIT - 1) <= end) {
mr_record = mr; /* Record the mr for ATF running */
} else {
err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
if (err)
ERROR("Memreg assign failed, 0x%" PRIx64 " -- 0x%" PRIx64 ", \
err %d\n", start, end, err);
}
}
}
if (mr_record != 64) {
err = sc_rm_get_memreg_info(ipc_handle, mr_record, &start, &end);
if (err)
ERROR("Memreg get info failed, %u\n", mr_record);
if ((BL31_LIMIT - 1) < end) {
err = sc_rm_memreg_alloc(ipc_handle, &mr, BL31_LIMIT, end);
if (err)
ERROR("sc_rm_memreg_alloc failed, 0x%" PRIx64 " -- 0x%" PRIx64 "\n",
(sc_faddr_t)BL31_LIMIT, end);
err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
if (err)
ERROR("Memreg assign failed, 0x%" PRIx64 " -- 0x%" PRIx64 "\n",
(sc_faddr_t)BL31_LIMIT, end);
}
if (start < (BL31_BASE - 1)) {
err = sc_rm_memreg_alloc(ipc_handle, &mr, start, BL31_BASE - 1);
if (err)
ERROR("sc_rm_memreg_alloc failed, 0x%" PRIx64 " -- 0x%" PRIx64 "\n",
start, (sc_faddr_t)BL31_BASE - 1);
err = sc_rm_assign_memreg(ipc_handle, os_part, mr);
if (err)
ERROR("Memreg assign failed, 0x%" PRIx64 " -- 0x%" PRIx64 "\n",
start, (sc_faddr_t)BL31_BASE - 1);
}
}
if (err)
NOTICE("Partitioning Failed\n");
else
NOTICE("Non-secure Partitioning Succeeded\n");
}
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
#if DEBUG_CONSOLE
static console_t console;
#endif
if (sc_ipc_open(&ipc_handle, SC_IPC_BASE) != SC_ERR_NONE)
panic();
#if DEBUG_CONSOLE_A53
sc_pm_set_resource_power_mode(ipc_handle, IMX_RES_UART,
SC_PM_PW_MODE_ON);
sc_pm_clock_rate_t rate = 80000000;
sc_pm_set_clock_rate(ipc_handle, IMX_RES_UART, 2, &rate);
sc_pm_clock_enable(ipc_handle, IMX_RES_UART, 2, true, false);
/* configure UART pads */
sc_pad_set(ipc_handle, IMX_PAD_UART_RX, UART_PAD_CTRL);
sc_pad_set(ipc_handle, IMX_PAD_UART_TX, UART_PAD_CTRL);
sc_pad_set(ipc_handle, IMX_PAD_UART_RTS_B, UART_PAD_CTRL);
sc_pad_set(ipc_handle, IMX_PAD_UART_CTS_B, UART_PAD_CTRL);
lpuart32_serial_init(IMX_BOOT_UART_BASE);
#endif
#if DEBUG_CONSOLE
console_lpuart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
IMX_CONSOLE_BAUDRATE, &console);
#endif
/* turn on MU1 for non-secure OS/Hypervisor */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_MU_1A, SC_PM_PW_MODE_ON);
/* Turn on GPT_0's power & clock for non-secure OS/Hypervisor */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_GPT_0, SC_PM_PW_MODE_ON);
sc_pm_clock_enable(ipc_handle, SC_R_GPT_0, SC_PM_CLK_PER, true, 0);
mmio_write_32(IMX_GPT_LPCG_BASE, mmio_read_32(IMX_GPT_LPCG_BASE) | (1 << 25));
/*
* create new partition for non-secure OS/Hypervisor
* uses global structs defined in sec_rsrc.h
*/
mx8_partition_resources();
bl33_image_ep_info.pc = PLAT_NS_IMAGE_OFFSET;
bl33_image_ep_info.spsr = get_spsr_for_bl33_entry();
SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
/* init the first cluster's cci slave interface */
cci_init(PLAT_CCI_BASE, imx8qm_cci_map, PLATFORM_CLUSTER_COUNT);
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
}
void bl31_plat_arch_setup(void)
{
unsigned long ro_start = BL31_RO_START;
unsigned long ro_size = BL31_RO_END - BL31_RO_START;
unsigned long rw_start = BL31_RW_START;
unsigned long rw_size = BL31_RW_END - BL31_RW_START;
#if USE_COHERENT_MEM
unsigned long coh_start = BL31_COHERENT_RAM_START;
unsigned long coh_size = BL31_COHERENT_RAM_END - BL31_COHERENT_RAM_START;
#endif
mmap_add_region(ro_start, ro_start, ro_size,
MT_RO | MT_MEMORY | MT_SECURE);
mmap_add_region(rw_start, rw_start, rw_size,
MT_RW | MT_MEMORY | MT_SECURE);
mmap_add(imx_mmap);
#if USE_COHERENT_MEM
mmap_add_region(coh_start, coh_start, coh_size,
MT_DEVICE | MT_RW | MT_SECURE);
#endif
/* setup xlat table */
init_xlat_tables();
/* enable the MMU */
enable_mmu_el3(0);
}
void bl31_platform_setup(void)
{
plat_gic_driver_init();
plat_gic_init();
}
entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type)
{
if (type == NON_SECURE)
return &bl33_image_ep_info;
if (type == SECURE)
return &bl32_image_ep_info;
return NULL;
}
unsigned int plat_get_syscnt_freq2(void)
{
return COUNTER_FREQUENCY;
}
void bl31_plat_runtime_setup(void)
{
return;
}
@@ -0,0 +1,326 @@
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdbool.h>
#include <arch.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <drivers/arm/cci.h>
#include <drivers/arm/gicv3.h>
#include <lib/mmio.h>
#include <lib/psci/psci.h>
#include <plat_imx8.h>
#include <sci/sci.h>
#include "../../common/sci/imx8_mu.h"
#define CORE_PWR_STATE(state) \
((state)->pwr_domain_state[MPIDR_AFFLVL0])
#define CLUSTER_PWR_STATE(state) \
((state)->pwr_domain_state[MPIDR_AFFLVL1])
#define SYSTEM_PWR_STATE(state) \
((state)->pwr_domain_state[PLAT_MAX_PWR_LVL])
const static int ap_core_index[PLATFORM_CORE_COUNT] = {
SC_R_A53_0, SC_R_A53_1, SC_R_A53_2,
SC_R_A53_3, SC_R_A72_0, SC_R_A72_1,
};
/* save gic dist/redist context when GIC is poewr down */
static struct plat_gic_ctx imx_gicv3_ctx;
static unsigned int gpt_lpcg, gpt_reg[2];
static void imx_enable_irqstr_wakeup(void)
{
uint32_t irq_mask;
gicv3_dist_ctx_t *dist_ctx = &imx_gicv3_ctx.dist_ctx;
/* put IRQSTR into ON mode */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_ON);
/* enable the irqsteer to handle wakeup irq */
mmio_write_32(IMX_WUP_IRQSTR_BASE, 0x1);
for (int i = 0; i < 15; i++) {
irq_mask = dist_ctx->gicd_isenabler[i];
mmio_write_32(IMX_WUP_IRQSTR_BASE + 0x3c - 0x4 * i, irq_mask);
}
/* set IRQSTR low power mode */
if (imx_is_wakeup_src_irqsteer())
sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_STBY);
else
sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_OFF);
}
static void imx_disable_irqstr_wakeup(void)
{
/* put IRQSTR into ON from STBY mode */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_ON);
/* disable the irqsteer */
mmio_write_32(IMX_WUP_IRQSTR_BASE, 0x0);
for (int i = 0; i < 16; i++)
mmio_write_32(IMX_WUP_IRQSTR_BASE + 0x4 + 0x4 * i, 0x0);
/* put IRQSTR into OFF mode */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_OFF);
}
int imx_pwr_domain_on(u_register_t mpidr)
{
int ret = PSCI_E_SUCCESS;
unsigned int cluster_id = MPIDR_AFFLVL1_VAL(mpidr);
unsigned int cpu_id = MPIDR_AFFLVL0_VAL(mpidr);
sc_pm_set_resource_power_mode(ipc_handle, cluster_id == 0 ?
SC_R_A53 : SC_R_A72, SC_PM_PW_MODE_ON);
if (cluster_id == 1)
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_ON);
if (sc_pm_set_resource_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_ON) != SC_ERR_NONE) {
ERROR("core %d power on failed!\n", cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id);
ret = PSCI_E_INTERN_FAIL;
}
if (sc_pm_cpu_start(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
true, BL31_BASE) != SC_ERR_NONE) {
ERROR("boot core %d failed!\n", cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id);
ret = PSCI_E_INTERN_FAIL;
}
return ret;
}
void imx_pwr_domain_on_finish(const psci_power_state_t *target_state)
{
uint64_t mpidr = read_mpidr_el1();
if (CLUSTER_PWR_STATE(target_state) == PLAT_MAX_OFF_STATE)
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
plat_gic_pcpu_init();
plat_gic_cpuif_enable();
}
void imx_pwr_domain_off(const psci_power_state_t *target_state)
{
u_register_t mpidr = read_mpidr_el1();
unsigned int cluster_id = MPIDR_AFFLVL1_VAL(mpidr);
unsigned int cpu_id = MPIDR_AFFLVL0_VAL(mpidr);
plat_gic_cpuif_disable();
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_NONE);
if (is_local_state_off(CLUSTER_PWR_STATE(target_state))) {
cci_disable_snoop_dvm_reqs(cluster_id);
if (cluster_id == 1)
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_OFF);
}
printf("turn off cluster:%d core:%d\n", cluster_id, cpu_id);
}
void imx_domain_suspend(const psci_power_state_t *target_state)
{
u_register_t mpidr = read_mpidr_el1();
unsigned int cluster_id = MPIDR_AFFLVL1_VAL(mpidr);
unsigned int cpu_id = MPIDR_AFFLVL0_VAL(mpidr);
if (is_local_state_off(CORE_PWR_STATE(target_state))) {
plat_gic_cpuif_disable();
sc_pm_set_cpu_resume(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
true, BL31_BASE);
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_GIC);
} else {
dsb();
write_scr_el3(read_scr_el3() | SCR_FIQ_BIT);
isb();
}
if (is_local_state_off(CLUSTER_PWR_STATE(target_state))) {
cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
if (cluster_id == 1)
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_OFF);
}
if (is_local_state_retn(SYSTEM_PWR_STATE(target_state))) {
plat_gic_cpuif_disable();
/* save gic context */
plat_gic_save(cpu_id, &imx_gicv3_ctx);
/* enable the irqsteer for wakeup */
imx_enable_irqstr_wakeup();
cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
/* Put GIC in LP mode. */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_GIC, SC_PM_PW_MODE_OFF);
/* Save GPT clock and registers, then turn off its power */
gpt_lpcg = mmio_read_32(IMX_GPT_LPCG_BASE);
gpt_reg[0] = mmio_read_32(IMX_GPT_BASE);
gpt_reg[1] = mmio_read_32(IMX_GPT_BASE + 0x4);
sc_pm_set_resource_power_mode(ipc_handle, SC_R_GPT_0, SC_PM_PW_MODE_OFF);
sc_pm_req_low_power_mode(ipc_handle, SC_R_A53, SC_PM_PW_MODE_OFF);
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_OFF);
sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF);
sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_OFF);
sc_pm_set_cpu_resume(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
true, BL31_BASE);
if (imx_is_wakeup_src_irqsteer())
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER);
else
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_SCU);
}
}
void imx_domain_suspend_finish(const psci_power_state_t *target_state)
{
u_register_t mpidr = read_mpidr_el1();
unsigned int cluster_id = MPIDR_AFFLVL1_VAL(mpidr);
unsigned int cpu_id = MPIDR_AFFLVL0_VAL(mpidr);
/* check the system level status */
if (is_local_state_retn(SYSTEM_PWR_STATE(target_state))) {
MU_Resume(SC_IPC_BASE);
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_ON, SC_PM_WAKE_SRC_GIC);
/* Put GIC/IRQSTR back to high power mode. */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_GIC, SC_PM_PW_MODE_ON);
/* Turn GPT power and restore its clock and registers */
sc_pm_set_resource_power_mode(ipc_handle, SC_R_GPT_0, SC_PM_PW_MODE_ON);
sc_pm_clock_enable(ipc_handle, SC_R_GPT_0, SC_PM_CLK_PER, true, 0);
mmio_write_32(IMX_GPT_BASE, gpt_reg[0]);
mmio_write_32(IMX_GPT_BASE + 0x4, gpt_reg[1]);
mmio_write_32(IMX_GPT_LPCG_BASE, gpt_lpcg);
sc_pm_req_low_power_mode(ipc_handle, SC_R_A53, SC_PM_PW_MODE_ON);
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_ON);
sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_ON);
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
/* restore gic context */
plat_gic_restore(cpu_id, &imx_gicv3_ctx);
/* disable the irqsteer wakeup */
imx_disable_irqstr_wakeup();
plat_gic_cpuif_enable();
}
/* check the cluster level power status */
if (is_local_state_off(CLUSTER_PWR_STATE(target_state))) {
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
if (cluster_id == 1)
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_ON);
}
/* check the core level power status */
if (is_local_state_off(CORE_PWR_STATE(target_state))) {
sc_pm_set_cpu_resume(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
false, BL31_BASE);
sc_pm_req_cpu_low_power_mode(ipc_handle,
ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id],
SC_PM_PW_MODE_ON, SC_PM_WAKE_SRC_GIC);
plat_gic_cpuif_enable();
} else {
write_scr_el3(read_scr_el3() & (~SCR_FIQ_BIT));
isb();
}
}
int imx_validate_ns_entrypoint(uintptr_t ns_entrypoint)
{
return PSCI_E_SUCCESS;
}
static const plat_psci_ops_t imx_plat_psci_ops = {
.pwr_domain_on = imx_pwr_domain_on,
.pwr_domain_on_finish = imx_pwr_domain_on_finish,
.pwr_domain_off = imx_pwr_domain_off,
.pwr_domain_suspend = imx_domain_suspend,
.pwr_domain_suspend_finish = imx_domain_suspend_finish,
.get_sys_suspend_power_state = imx_get_sys_suspend_power_state,
.validate_power_state = imx_validate_power_state,
.validate_ns_entrypoint = imx_validate_ns_entrypoint,
.system_off = imx_system_off,
.system_reset = imx_system_reset,
};
int plat_setup_psci_ops(uintptr_t sec_entrypoint,
const plat_psci_ops_t **psci_ops)
{
imx_mailbox_init(sec_entrypoint);
*psci_ops = &imx_plat_psci_ops;
/* make sure system sources power ON in low power mode by default */
sc_pm_req_low_power_mode(ipc_handle, SC_R_A53, SC_PM_PW_MODE_ON);
sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_ON);
sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_MU,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT,
SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON);
return 0;
}
@@ -0,0 +1,79 @@
/*
* Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PLATFORM_DEF_H
#define PLATFORM_DEF_H
#include <lib/utils_def.h>
#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64"
#define PLATFORM_LINKER_ARCH aarch64
#define PLATFORM_STACK_SIZE 0X400
#define CACHE_WRITEBACK_GRANULE 64
#define PLAT_PRIMARY_CPU U(0x0)
#define PLATFORM_MAX_CPU_PER_CLUSTER U(4)
#define PLATFORM_CLUSTER_COUNT U(2)
#define PLATFORM_CLUSTER0_CORE_COUNT U(4)
#define PLATFORM_CLUSTER1_CORE_COUNT U(2)
#define PLATFORM_CORE_COUNT (PLATFORM_CLUSTER0_CORE_COUNT + \
PLATFORM_CLUSTER1_CORE_COUNT)
#define IMX_PWR_LVL0 MPIDR_AFFLVL0
#define IMX_PWR_LVL1 MPIDR_AFFLVL1
#define IMX_PWR_LVL2 MPIDR_AFFLVL2
#define PWR_DOMAIN_AT_MAX_LVL U(1)
#define PLAT_MAX_PWR_LVL U(2)
#define PLAT_MAX_OFF_STATE U(2)
#define PLAT_MAX_RET_STATE U(1)
#define BL31_BASE 0x80000000
#define BL31_LIMIT 0x80020000
#define PLAT_GICD_BASE 0x51a00000
#define PLAT_GICR_BASE 0x51b00000
#define PLAT_CCI_BASE 0x52090000
#define CLUSTER0_CCI_SLVAE_IFACE 3
#define CLUSTER1_CCI_SLVAE_IFACE 4
/* UART */
#if defined(IMX_USE_UART0)
#define IMX_BOOT_UART_BASE 0x5a060000
#elif defined(IMX_USE_UART1)
#define IMX_BOOT_UART_BASE 0x5a070000
#else
#error "Provide proper UART number in IMX_DEBUG_UART"
#endif
#define IMX_BOOT_UART_BAUDRATE 115200
#define IMX_BOOT_UART_CLK_IN_HZ 24000000
#define PLAT_CRASH_UART_BASE IMX_BOOT_UART_BASE
#define PLAT__CRASH_UART_CLK_IN_HZ 24000000
#define IMX_CONSOLE_BAUDRATE 115200
#define SC_IPC_BASE 0x5d1b0000
#define IMX_GPT_LPCG_BASE 0x5d540000
#define IMX_GPT_BASE 0x5d140000
#define IMX_WUP_IRQSTR_BASE 0x51090000
#define IMX_REG_BASE 0x50000000
#define IMX_REG_SIZE 0x10000000
#define COUNTER_FREQUENCY 8000000 /* 8MHz */
/* non-secure uboot base */
#define PLAT_NS_IMAGE_OFFSET 0x80020000
#define PLAT_VIRT_ADDR_SPACE_SIZE (1ull << 32)
#define PLAT_PHY_ADDR_SPACE_SIZE (1ull << 32)
#define MAX_XLAT_TABLES 8
#define MAX_MMAP_REGIONS 12
#define DEBUG_CONSOLE_A53 DEBUG_CONSOLE
#endif /* PLATFORM_DEF_H */
@@ -0,0 +1,32 @@
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/* resources that are going to stay in secure partition */
sc_rsrc_t secure_rsrcs[] = {
SC_R_MU_0A,
SC_R_A53,
SC_R_A53_0,
SC_R_A53_1,
SC_R_A53_2,
SC_R_A53_3,
SC_R_A72,
SC_R_A72_0,
SC_R_A72_1,
SC_R_GIC,
SC_R_GIC_SMMU,
SC_R_CCI,
SC_R_SYSTEM,
SC_R_IRQSTR_SCU2,
SC_R_GPT_0
};
/* resources that have register access for non-secure domain */
sc_rsrc_t ns_access_allowed[] = {
SC_R_GIC,
SC_R_GIC_SMMU,
SC_R_CCI,
SC_R_GPT_0
};
@@ -0,0 +1,50 @@
#
# Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Translation tables library
include lib/xlat_tables_v2/xlat_tables.mk
PLAT_INCLUDES := -Iplat/imx/imx8qm/include \
-Iplat/imx/common/include \
# Include GICv3 driver files
include drivers/arm/gic/v3/gicv3.mk
IMX_GIC_SOURCES := ${GICV3_SOURCES} \
plat/common/plat_gicv3.c \
plat/common/plat_psci_common.c \
plat/imx/common/plat_imx8_gic.c
BL31_SOURCES += plat/imx/common/lpuart_console.S \
plat/imx/common/imx8_helpers.S \
plat/imx/imx8qm/imx8qm_bl31_setup.c \
plat/imx/imx8qm/imx8qm_psci.c \
plat/imx/common/imx8_topology.c \
plat/imx/common/imx8_psci.c \
plat/imx/common/imx_sip_svc.c \
plat/imx/common/imx_sip_handler.c \
lib/cpus/aarch64/cortex_a53.S \
lib/cpus/aarch64/cortex_a72.S \
drivers/arm/cci/cci.c \
${XLAT_TABLES_LIB_SRCS} \
${IMX_GIC_SOURCES} \
include plat/imx/common/sci/sci_api.mk
USE_COHERENT_MEM := 1
RESET_TO_BL31 := 1
A53_DISABLE_NON_TEMPORAL_HINT := 0
ERRATA_A72_859971 := 1
ERRATA_A53_835769 := 1
ERRATA_A53_843419 := 1
ERRATA_A53_855873 := 1
IMX_DEBUG_UART ?= 0
$(eval $(call add_define,IMX_USE_UART${IMX_DEBUG_UART}))
DEBUG_CONSOLE ?= 0
$(eval $(call add_define,DEBUG_CONSOLE))