blob: 0d4f2cc523c055c5aecbd8456517c1b4625a7f16 [file] [log] [blame]
/*
* Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2019-2023, Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch.h>
#include <arch_helpers.h>
#include <common/bl_common.h>
#include <drivers/arm/gic_common.h>
#include <drivers/arm/gicv3.h>
#include <drivers/ti/uart/uart_16550.h>
#include <lib/mmio.h>
#include <lib/xlat_tables/xlat_mmu_helpers.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include "agilex5_power_manager.h"
#include "ccu/ncore_ccu.h"
#include "socfpga_mailbox.h"
#include "socfpga_private.h"
#include "socfpga_reset_manager.h"
/* Get non-secure SPSR for BL33. Zephyr and Linux */
uint32_t arm_get_spsr_for_bl33_entry(void);
static entry_point_info_t bl32_image_ep_info;
static entry_point_info_t bl33_image_ep_info;
/* The GICv3 driver only needs to be initialized in EL3 */
static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
#define SMMU_SDMMC
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
entry_point_info_t *next_image_info;
next_image_info = (type == NON_SECURE) ?
&bl33_image_ep_info : &bl32_image_ep_info;
/* None of the images on this platform can have 0x0 as the entrypoint */
if (next_image_info->pc)
return next_image_info;
else
return NULL;
}
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;
mmio_write_64(PLAT_SEC_ENTRY, PLAT_SEC_WARM_ENTRY);
console_16550_register(PLAT_INTEL_UART_BASE, PLAT_UART_CLOCK,
PLAT_BAUDRATE, &console);
init_ncore_ccu();
setup_smmu_stream_id();
/*
* Check params passed from BL31 should not be NULL,
*/
void *from_bl2 = (void *) arg0;
#if RESET_TO_BL31
/* There are no parameters from BL2 if BL31 is a reset vector */
assert(from_bl2 == NULL);
void *plat_params_from_bl2 = (void *) arg3;
assert(plat_params_from_bl2 == NULL);
/* Populate entry point information for BL33 */
SET_PARAM_HEAD(&bl33_image_ep_info,
PARAM_EP,
VERSION_1,
0);
# if ARM_LINUX_KERNEL_AS_BL33
/*
* According to the file ``Documentation/arm64/booting.txt`` of the
* Linux kernel tree, Linux expects the physical address of the device
* tree blob (DTB) in x0, while x1-x3 are reserved for future use and
* must be 0.
*/
bl33_image_ep_info.args.arg0 = (u_register_t)ARM_PRELOADED_DTB_BASE;
bl33_image_ep_info.args.arg1 = 0U;
bl33_image_ep_info.args.arg2 = 0U;
bl33_image_ep_info.args.arg3 = 0U;
# endif
#else /* RESET_TO_BL31 */
bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
assert(params_from_bl2 != NULL);
/*
* Copy BL32 (if populated by BL31) and BL33 entry point information.
* They are stored in Secure RAM, in BL31's address space.
*/
if (params_from_bl2->h.type == PARAM_BL_PARAMS &&
params_from_bl2->h.version >= VERSION_2) {
bl_params_node_t *bl_params = params_from_bl2->head;
while (bl_params) {
if (bl_params->image_id == BL33_IMAGE_ID) {
bl33_image_ep_info = *bl_params->ep_info;
}
bl_params = bl_params->next_params_info;
}
} else {
struct socfpga_bl31_params *arg_from_bl2 =
(struct socfpga_bl31_params *) from_bl2;
assert(arg_from_bl2->h.type == PARAM_BL31);
assert(arg_from_bl2->h.version >= VERSION_1);
bl32_image_ep_info = *arg_from_bl2->bl32_ep_info;
bl33_image_ep_info = *arg_from_bl2->bl33_ep_info;
}
bl33_image_ep_info.args.arg0 = (u_register_t)ARM_PRELOADED_DTB_BASE;
bl33_image_ep_info.args.arg1 = 0U;
bl33_image_ep_info.args.arg2 = 0U;
bl33_image_ep_info.args.arg3 = 0U;
#endif
/*
* Tell BL31 where the non-trusted software image
* is located and the entry state information
*/
bl33_image_ep_info.pc = plat_get_ns_image_entrypoint();
bl33_image_ep_info.spsr = arm_get_spsr_for_bl33_entry();
SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE);
}
static const interrupt_prop_t agx5_interrupt_props[] = {
PLAT_INTEL_SOCFPGA_G1S_IRQ_PROPS(INTR_GROUP1S),
PLAT_INTEL_SOCFPGA_G0_IRQ_PROPS(INTR_GROUP0)
};
static const gicv3_driver_data_t plat_gicv3_gic_data = {
.gicd_base = PLAT_INTEL_SOCFPGA_GICD_BASE,
.gicr_base = PLAT_INTEL_SOCFPGA_GICR_BASE,
.interrupt_props = agx5_interrupt_props,
.interrupt_props_num = ARRAY_SIZE(agx5_interrupt_props),
.rdistif_num = PLATFORM_CORE_COUNT,
.rdistif_base_addrs = rdistif_base_addrs,
};
/*******************************************************************************
* Perform any BL3-1 platform setup code
******************************************************************************/
void bl31_platform_setup(void)
{
socfpga_delay_timer_init();
/* Initialize the gic cpu and distributor interfaces */
gicv3_driver_init(&plat_gicv3_gic_data);
gicv3_distif_init();
gicv3_rdistif_init(plat_my_core_pos());
gicv3_cpuif_enable(plat_my_core_pos());
mailbox_hps_stage_notify(HPS_EXECUTION_STATE_SSBL);
}
const mmap_region_t plat_agilex_mmap[] = {
MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE, MT_MEMORY | MT_RW | MT_NS),
MAP_REGION_FLAT(PSS_BASE, PSS_SIZE, MT_DEVICE | MT_RW | MT_NS),
MAP_REGION_FLAT(MPFE_BASE, MPFE_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE, MT_NON_CACHEABLE | MT_RW | MT_SECURE),
MAP_REGION_FLAT(CCU_BASE, CCU_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE, MT_DEVICE | MT_RW | MT_NS),
MAP_REGION_FLAT(GIC_BASE, GIC_SIZE, MT_DEVICE | MT_RW | MT_SECURE),
{0}
};
/*******************************************************************************
* Perform the very early platform specific architectural setup here. At the
* moment this is only intializes the mmu in a quick and dirty way.
******************************************************************************/
void bl31_plat_arch_setup(void)
{
uint32_t boot_core = 0x00;
uint32_t cpuid = 0x00;
cpuid = read_mpidr();
boot_core = (mmio_read_32(AGX5_PWRMGR(MPU_BOOTCONFIG)) & 0xC00);
NOTICE("BL31: Boot Core = %x\n", boot_core);
NOTICE("BL31: CPU ID = %x\n", cpuid);
}
/* Get non-secure image entrypoint for BL33. Zephyr and Linux */
uintptr_t plat_get_ns_image_entrypoint(void)
{
#ifdef PRELOADED_BL33_BASE
return PRELOADED_BL33_BASE;
#else
return PLAT_NS_IMAGE_OFFSET;
#endif
}
/* Get non-secure SPSR for BL33. Zephyr and Linux */
uint32_t arm_get_spsr_for_bl33_entry(void)
{
unsigned int mode;
uint32_t spsr;
/* Figure out what mode we enter the non-secure world in */
mode = (el_implemented(2) != EL_IMPL_NONE) ? MODE_EL2 : MODE_EL1;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_64((uint64_t)mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
/* SMP: Secondary cores BL31 setup reset vector */
void bl31_plat_set_secondary_cpu_entrypoint(unsigned int cpu_id)
{
unsigned int pch_cpu = 0x00;
unsigned int pchctlr_old = 0x00;
unsigned int pchctlr_new = 0x00;
uint32_t boot_core = 0x00;
boot_core = (mmio_read_32(AGX5_PWRMGR(MPU_BOOTCONFIG)) & 0xC00);
/* Update the p-channel based on cpu id */
pch_cpu = 1 << cpu_id;
if (boot_core == 0x00) {
/* Update reset vector to 0x00 */
mmio_write_64(RSTMGR_CPUxRESETBASELOW_CPU2,
(uint64_t) plat_secondary_cpus_bl31_entry >> 2);
} else {
/* Update reset vector to 0x00 */
mmio_write_64(RSTMGR_CPUxRESETBASELOW_CPU0,
(uint64_t) plat_secondary_cpus_bl31_entry >> 2);
}
/* Update reset vector to 0x00 */
mmio_write_64(RSTMGR_CPUxRESETBASELOW_CPU1, (uint64_t) plat_secondary_cpus_bl31_entry >> 2);
mmio_write_64(RSTMGR_CPUxRESETBASELOW_CPU3, (uint64_t) plat_secondary_cpus_bl31_entry >> 2);
/* On all cores - temporary */
pchctlr_old = mmio_read_32(AGX5_PWRMGR(MPU_PCHCTLR));
pchctlr_new = pchctlr_old | (pch_cpu<<1);
mmio_write_32(AGX5_PWRMGR(MPU_PCHCTLR), pchctlr_new);
/* We will only release the target secondary CPUs */
/* Bit mask for each CPU BIT0-3 */
mmio_write_32(RSTMGR_CPUSTRELEASE_CPUx, pch_cpu);
}
void bl31_plat_set_secondary_cpu_off(void)
{
unsigned int pch_cpu = 0x00;
unsigned int pch_cpu_off = 0x00;
unsigned int cpu_id = plat_my_core_pos();
pch_cpu_off = 1 << cpu_id;
pch_cpu = mmio_read_32(AGX5_PWRMGR(MPU_PCHCTLR));
pch_cpu = pch_cpu & ~(pch_cpu_off << 1);
mmio_write_32(AGX5_PWRMGR(MPU_PCHCTLR), pch_cpu);
}
void bl31_plat_enable_mmu(uint32_t flags)
{
/* TODO: Enable mmu when needed */
}