plat: imx8mn: Add imx8mn basic support

Add imx8mn basic support

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: Ibdfcc87700bfaf980e429f3a5fa08515218ae78d
This commit is contained in:
Jacky Bai 2019-11-28 13:16:33 +08:00
parent de9d0d7c7f
commit 58fdd608a4
7 changed files with 521 additions and 0 deletions

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@ -32,6 +32,7 @@ Build Procedure
Target_SoC should be "imx8mq" for i.MX8MQ SoC.
Target_SoC should be "imx8mm" for i.MX8MM SoC.
Target_SoC should be "imx8mn" for i.MX8MN SoC.
Deploy TF-A Images
~~~~~~~~~~~~~~~~~~

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/*
* Copyright 2019-2020 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <common/debug.h>
#include <drivers/delay_timer.h>
#include <lib/mmio.h>
#include <lib/psci/psci.h>
#include <lib/smccc.h>
#include <services/std_svc.h>
#include <gpc.h>
#include <imx_sip_svc.h>
#include <platform_def.h>
#define CCGR(x) (0x4000 + (x) * 0x10)
void imx_gpc_init(void)
{
unsigned int val;
int i;
/* mask all the wakeup irq by default */
for (i = 0; i < 4; i++) {
mmio_write_32(IMX_GPC_BASE + IMR1_CORE0_A53 + i * 4, ~0x0);
mmio_write_32(IMX_GPC_BASE + IMR1_CORE1_A53 + i * 4, ~0x0);
mmio_write_32(IMX_GPC_BASE + IMR1_CORE2_A53 + i * 4, ~0x0);
mmio_write_32(IMX_GPC_BASE + IMR1_CORE3_A53 + i * 4, ~0x0);
mmio_write_32(IMX_GPC_BASE + IMR1_CORE0_M4 + i * 4, ~0x0);
}
val = mmio_read_32(IMX_GPC_BASE + LPCR_A53_BSC);
/* use GIC wake_request to wakeup C0~C3 from LPM */
val |= CORE_WKUP_FROM_GIC;
/* clear the MASTER0 LPM handshake */
val &= ~MASTER0_LPM_HSK;
mmio_write_32(IMX_GPC_BASE + LPCR_A53_BSC, val);
/* clear MASTER1 & MASTER2 mapping in CPU0(A53) */
mmio_clrbits_32(IMX_GPC_BASE + MST_CPU_MAPPING, (MASTER1_MAPPING |
MASTER2_MAPPING));
/* set all mix/PU in A53 domain */
mmio_write_32(IMX_GPC_BASE + PGC_CPU_0_1_MAPPING, 0xffff);
/*
* Set the CORE & SCU power up timing:
* SW = 0x1, SW2ISO = 0x1;
* the CPU CORE and SCU power up timming counter
* is drived by 32K OSC, each domain's power up
* latency is (SW + SW2ISO) / 32768
*/
mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(0) + 0x4, 0x401);
mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(1) + 0x4, 0x401);
mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(2) + 0x4, 0x401);
mmio_write_32(IMX_GPC_BASE + COREx_PGC_PCR(3) + 0x4, 0x401);
mmio_write_32(IMX_GPC_BASE + PLAT_PGC_PCR + 0x4, 0x401);
mmio_write_32(IMX_GPC_BASE + PGC_SCU_TIMING,
(0x59 << TMC_TMR_SHIFT) | 0x5B | (0x2 << TRC1_TMC_SHIFT));
/* set DUMMY PDN/PUP ACK by default for A53 domain */
mmio_write_32(IMX_GPC_BASE + PGC_ACK_SEL_A53,
A53_DUMMY_PUP_ACK | A53_DUMMY_PDN_ACK);
/* clear DSM by default */
val = mmio_read_32(IMX_GPC_BASE + SLPCR);
val &= ~SLPCR_EN_DSM;
/* enable the fast wakeup wait mode */
val |= SLPCR_A53_FASTWUP_WAIT_MODE;
/* clear the RBC */
val &= ~(0x3f << SLPCR_RBC_COUNT_SHIFT);
/* set the STBY_COUNT to 0x5, (128 * 30)us */
val &= ~(0x7 << SLPCR_STBY_COUNT_SHFT);
val |= (0x5 << SLPCR_STBY_COUNT_SHFT);
mmio_write_32(IMX_GPC_BASE + SLPCR, val);
/*
* USB PHY power up needs to make sure RESET bit in SRC is clear,
* otherwise, the PU power up bit in GPC will NOT self-cleared.
* only need to do it once.
*/
mmio_clrbits_32(IMX_SRC_BASE + SRC_OTG1PHY_SCR, 0x1);
/* enable all the power domain by default */
for (i = 0; i < 103; i++)
mmio_write_32(IMX_CCM_BASE + CCGR(i), 0x3);
mmio_write_32(IMX_GPC_BASE + PU_PGC_UP_TRG, 0x485);
}

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/*
* Copyright 2019-2020 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <stdbool.h>
#include <arch_helpers.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <context.h>
#include <drivers/arm/tzc380.h>
#include <drivers/console.h>
#include <drivers/generic_delay_timer.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 <gpc.h>
#include <imx_aipstz.h>
#include <imx_uart.h>
#include <imx_rdc.h>
#include <imx8m_caam.h>
#include <platform_def.h>
#include <plat_imx8.h>
static const mmap_region_t imx_mmap[] = {
GIC_MAP, AIPS_MAP, OCRAM_S_MAP, DDRC_MAP, {0},
};
static const struct aipstz_cfg aipstz[] = {
{IMX_AIPSTZ1, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
{IMX_AIPSTZ2, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
{IMX_AIPSTZ3, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
{IMX_AIPSTZ4, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
{0},
};
static const struct imx_rdc_cfg rdc[] = {
/* Master domain assignment */
RDC_MDAn(0x1, DID1),
/* peripherals domain permission */
/* memory region */
RDC_MEM_REGIONn(16, 0x0, 0x0, 0xff),
RDC_MEM_REGIONn(17, 0x0, 0x0, 0xff),
RDC_MEM_REGIONn(18, 0x0, 0x0, 0xff),
/* Sentinel */
{0},
};
static entry_point_info_t bl32_image_ep_info;
static entry_point_info_t bl33_image_ep_info;
/* get SPSR for BL33 entry */
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;
}
static void bl31_tzc380_setup(void)
{
unsigned int val;
val = mmio_read_32(IMX_IOMUX_GPR_BASE + 0x28);
if ((val & GPR_TZASC_EN) != GPR_TZASC_EN)
return;
tzc380_init(IMX_TZASC_BASE);
/*
* Need to substact offset 0x40000000 from CPU address when
* programming tzasc region for i.mx8mn.
*/
/* Enable 1G-5G S/NS RW */
tzc380_configure_region(0, 0x00000000, TZC_ATTR_REGION_SIZE(TZC_REGION_SIZE_4G) |
TZC_ATTR_REGION_EN_MASK | TZC_ATTR_SP_ALL);
}
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
static console_t console;
int i;
/* Enable CSU NS access permission */
for (i = 0; i < 64; i++) {
mmio_write_32(IMX_CSU_BASE + i * 4, 0x00ff00ff);
}
imx_aipstz_init(aipstz);
imx_rdc_init(rdc);
imx8m_caam_init();
console_imx_uart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
IMX_CONSOLE_BAUDRATE, &console);
/* This console is only used for boot stage */
console_set_scope(&console, CONSOLE_FLAG_BOOT);
/*
* tell BL3-1 where the non-secure software image is located
* and the entry state information.
*/
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);
#ifdef SPD_opteed
/* Populate entry point information for BL32 */
SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0);
SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE);
bl32_image_ep_info.pc = BL32_BASE;
bl32_image_ep_info.spsr = 0;
/* Pass TEE base and size to bl33 */
bl33_image_ep_info.args.arg1 = BL32_BASE;
bl33_image_ep_info.args.arg2 = BL32_SIZE;
#endif
bl31_tzc380_setup();
}
void bl31_plat_arch_setup(void)
{
mmap_add_region(BL31_BASE, BL31_BASE, (BL31_LIMIT - BL31_BASE),
MT_MEMORY | MT_RW | MT_SECURE);
mmap_add_region(BL_CODE_BASE, BL_CODE_BASE, (BL_CODE_END - BL_CODE_BASE),
MT_MEMORY | MT_RO | MT_SECURE);
#if USE_COHERENT_MEM
mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
(BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE),
MT_DEVICE | MT_RW | MT_SECURE);
#endif
mmap_add(imx_mmap);
init_xlat_tables();
enable_mmu_el3(0);
}
void bl31_platform_setup(void)
{
generic_delay_timer_init();
/* select the CKIL source to 32K OSC */
mmio_write_32(IMX_ANAMIX_BASE + ANAMIX_MISC_CTL, 0x1);
plat_gic_driver_init();
plat_gic_init();
imx_gpc_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;
}

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/*
* Copyright 2019-2020 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdbool.h>
#include <arch.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <lib/psci/psci.h>
#include <gpc.h>
#include <imx8m_psci.h>
#include <plat_imx8.h>
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,
.validate_ns_entrypoint = imx_validate_ns_entrypoint,
.validate_power_state = imx_validate_power_state,
.cpu_standby = imx_cpu_standby,
.pwr_domain_suspend = imx_domain_suspend,
.pwr_domain_suspend_finish = imx_domain_suspend_finish,
.pwr_domain_pwr_down_wfi = imx_pwr_domain_pwr_down_wfi,
.get_sys_suspend_power_state = imx_get_sys_suspend_power_state,
.system_reset = imx_system_reset,
.system_off = imx_system_off,
};
/* export the platform specific psci ops */
int plat_setup_psci_ops(uintptr_t sec_entrypoint,
const plat_psci_ops_t **psci_ops)
{
/* sec_entrypoint is used for warm reset */
imx_mailbox_init(sec_entrypoint);
*psci_ops = &imx_plat_psci_ops;
return 0;
}

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@ -0,0 +1,135 @@
/*
* Copyright 2020 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PLATFORM_DEF_H
#define PLATFORM_DEF_H
#include <lib/utils_def.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64"
#define PLATFORM_LINKER_ARCH aarch64
#define PLATFORM_STACK_SIZE 0xB00
#define CACHE_WRITEBACK_GRANULE 64
#define PLAT_PRIMARY_CPU U(0x0)
#define PLATFORM_MAX_CPU_PER_CLUSTER U(4)
#define PLATFORM_CLUSTER_COUNT U(1)
#define PLATFORM_CLUSTER0_CORE_COUNT U(4)
#define PLATFORM_CLUSTER1_CORE_COUNT U(0)
#define PLATFORM_CORE_COUNT (PLATFORM_CLUSTER0_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(4)
#define PLAT_MAX_RET_STATE U(2)
#define PLAT_WAIT_RET_STATE U(1)
#define PLAT_STOP_OFF_STATE U(3)
#define BL31_BASE U(0x960000)
#define BL31_LIMIT U(0x980000)
/* non-secure uboot base */
#define PLAT_NS_IMAGE_OFFSET U(0x40200000)
/* GICv3 base address */
#define PLAT_GICD_BASE U(0x38800000)
#define PLAT_GICR_BASE U(0x38880000)
#define PLAT_VIRT_ADDR_SPACE_SIZE (ULL(1) << 32)
#define PLAT_PHY_ADDR_SPACE_SIZE (ULL(1) << 32)
#define MAX_XLAT_TABLES 8
#define MAX_MMAP_REGIONS 16
#define HAB_RVT_BASE U(0x00000900) /* HAB_RVT for i.MX8MM */
#define IMX_BOOT_UART_CLK_IN_HZ 24000000 /* Select 24MHz oscillator */
#define PLAT_CRASH_UART_BASE IMX_BOOT_UART_BASE
#define PLAT_CRASH_UART_CLK_IN_HZ 24000000
#define IMX_CONSOLE_BAUDRATE 115200
#define IMX_AIPSTZ1 U(0x301f0000)
#define IMX_AIPSTZ2 U(0x305f0000)
#define IMX_AIPSTZ3 U(0x309f0000)
#define IMX_AIPSTZ4 U(0x32df0000)
#define IMX_AIPS_BASE U(0x30000000)
#define IMX_AIPS_SIZE U(0xC00000)
#define IMX_GPV_BASE U(0x32000000)
#define IMX_GPV_SIZE U(0x800000)
#define IMX_AIPS1_BASE U(0x30200000)
#define IMX_AIPS4_BASE U(0x32c00000)
#define IMX_ANAMIX_BASE U(0x30360000)
#define IMX_CCM_BASE U(0x30380000)
#define IMX_SRC_BASE U(0x30390000)
#define IMX_GPC_BASE U(0x303a0000)
#define IMX_RDC_BASE U(0x303d0000)
#define IMX_CSU_BASE U(0x303e0000)
#define IMX_WDOG_BASE U(0x30280000)
#define IMX_SNVS_BASE U(0x30370000)
#define IMX_NOC_BASE U(0x32700000)
#define IMX_TZASC_BASE U(0x32F80000)
#define IMX_IOMUX_GPR_BASE U(0x30340000)
#define IMX_CAAM_BASE U(0x30900000)
#define IMX_DDRC_BASE U(0x3d400000)
#define IMX_DDRPHY_BASE U(0x3c000000)
#define IMX_DDR_IPS_BASE U(0x3d000000)
#define IMX_DDR_IPS_SIZE U(0x1800000)
#define IMX_ROM_BASE U(0x0)
#define IMX_GIC_BASE PLAT_GICD_BASE
#define IMX_GIC_SIZE U(0x200000)
#define WDOG_WSR U(0x2)
#define WDOG_WCR_WDZST BIT(0)
#define WDOG_WCR_WDBG BIT(1)
#define WDOG_WCR_WDE BIT(2)
#define WDOG_WCR_WDT BIT(3)
#define WDOG_WCR_SRS BIT(4)
#define WDOG_WCR_WDA BIT(5)
#define WDOG_WCR_SRE BIT(6)
#define WDOG_WCR_WDW BIT(7)
#define SRC_A53RCR0 U(0x4)
#define SRC_A53RCR1 U(0x8)
#define SRC_OTG1PHY_SCR U(0x20)
#define SRC_GPR1_OFFSET U(0x74)
#define SNVS_LPCR U(0x38)
#define SNVS_LPCR_SRTC_ENV BIT(0)
#define SNVS_LPCR_DP_EN BIT(5)
#define SNVS_LPCR_TOP BIT(6)
#define IOMUXC_GPR10 U(0x28)
#define GPR_TZASC_EN BIT(0)
#define GPR_TZASC_EN_LOCK BIT(16)
#define ANAMIX_MISC_CTL U(0x124)
#define DRAM_PLL_CTRL (IMX_ANAMIX_BASE + 0x50)
#define MAX_CSU_NUM U(64)
#define OCRAM_S_BASE U(0x00180000)
#define OCRAM_S_SIZE U(0x8000)
#define OCRAM_S_LIMIT (OCRAM_S_BASE + OCRAM_S_SIZE)
#define SAVED_DRAM_TIMING_BASE OCRAM_S_BASE
#define COUNTER_FREQUENCY 8000000 /* 8MHz */
#define IMX_WDOG_B_RESET
#define GIC_MAP MAP_REGION_FLAT(IMX_GIC_BASE, IMX_GIC_SIZE, MT_DEVICE | MT_RW)
#define AIPS_MAP MAP_REGION_FLAT(IMX_AIPS_BASE, IMX_AIPS_SIZE, MT_DEVICE | MT_RW) /* AIPS map */
#define OCRAM_S_MAP MAP_REGION_FLAT(OCRAM_S_BASE, OCRAM_S_SIZE, MT_DEVICE | MT_RW) /* OCRAM_S */
#define DDRC_MAP MAP_REGION_FLAT(IMX_DDRPHY_BASE, IMX_DDR_IPS_SIZE, MT_DEVICE | MT_RW) /* DDRMIX */
#endif /* platform_def.h */

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@ -0,0 +1,56 @@
#
# Copyright 2019-2020 NXP
#
# SPDX-License-Identifier: BSD-3-Clause
#
PLAT_INCLUDES := -Iplat/imx/common/include \
-Iplat/imx/imx8m/include \
-Iplat/imx/imx8m/imx8mn/include
# Translation tables library
include lib/xlat_tables_v2/xlat_tables.mk
# 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/imx8_helpers.S \
plat/imx/imx8m/gpc_common.c \
plat/imx/imx8m/imx_aipstz.c \
plat/imx/imx8m/imx_rdc.c \
plat/imx/imx8m/imx8m_caam.c \
plat/imx/imx8m/imx8m_psci_common.c \
plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c \
plat/imx/imx8m/imx8mn/imx8mn_psci.c \
plat/imx/imx8m/imx8mn/gpc.c \
plat/imx/common/imx8_topology.c \
plat/imx/common/imx_sip_handler.c \
plat/imx/common/imx_sip_svc.c \
plat/imx/common/imx_uart_console.S \
lib/cpus/aarch64/cortex_a53.S \
drivers/arm/tzc/tzc380.c \
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
${IMX_GIC_SOURCES} \
${XLAT_TABLES_LIB_SRCS}
USE_COHERENT_MEM := 1
RESET_TO_BL31 := 1
A53_DISABLE_NON_TEMPORAL_HINT := 0
ERRATA_A53_835769 := 1
ERRATA_A53_843419 := 1
ERRATA_A53_855873 := 1
BL32_BASE ?= 0xbe000000
$(eval $(call add_define,BL32_BASE))
BL32_SIZE ?= 0x2000000
$(eval $(call add_define,BL32_SIZE))
IMX_BOOT_UART_BASE ?= 0x30890000
$(eval $(call add_define,IMX_BOOT_UART_BASE))

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@ -39,6 +39,7 @@
#define IRQ_SRC_C0 BIT(28)
#define IRQ_SRC_C3 BIT(23)
#define IRQ_SRC_C2 BIT(22)
#define CORE_WKUP_FROM_GIC (IRQ_SRC_C0 | IRQ_SRC_C1 | IRQ_SRC_C2 | IRQ_SRC_C3)
#define CPU_CLOCK_ON_LPM BIT(14)
#define A53_CLK_ON_LPM BIT(14)
#define MASTER0_LPM_HSK BIT(6)
@ -71,6 +72,10 @@
#define MASTER1_MAPPING BIT(1)
#define MASTER2_MAPPING BIT(2)
#define TMR_TCD2_SHIFT 0
#define TMC_TMR_SHIFT 10
#define TRC1_TMC_SHIFT 20
/* helper macro */
#define A53_LPM_MASK U(0xF)
#define A53_LPM_WAIT U(0x5)