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arm-trusted-firmware/plat/nvidia/tegra/soc/t194/plat_setup.c
Manish Pandey 9202d51990 refactor(ras): replace RAS_EXTENSION with FEAT_RAS 
The current usage of RAS_EXTENSION in TF-A codebase is to cater for two
things in TF-A :
1. Pull in necessary framework and platform hooks for Firmware first
   handling(FFH) of RAS errors.
2. Manage the FEAT_RAS extension when switching the worlds.

FFH means that all the EAs from NS are trapped in EL3 first and signaled
to NS world later after the first handling is done in firmware. There is
an alternate way of handling RAS errors viz Kernel First handling(KFH).
Tying FEAT_RAS to RAS_EXTENSION build flag was not correct as the
feature is needed for proper handling KFH in as well.

This patch breaks down the RAS_EXTENSION flag into a flag to denote the
CPU architecture `ENABLE_FEAT_RAS` which is used in context management
during world switch and another flag `RAS_FFH_SUPPORT` to pull in
required framework and platform hooks for FFH.

Proper support for KFH will be added in future patches.

BREAKING CHANGE: The previous RAS_EXTENSION is now deprecated. The
equivalent functionality can be achieved by the following
2 options:
 - ENABLE_FEAT_RAS
 - RAS_FFH_SUPPORT

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I1abb9ab6622b8f1b15712b12f17612804d48a6ec
2023-05-09 13:19:22 +01:00

449 lines
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/*
* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <assert.h>
#include <bl31/bl31.h>
#include <common/bl_common.h>
#include <common/interrupt_props.h>
#include <drivers/console.h>
#include <context.h>
#include <lib/el3_runtime/context_mgmt.h>
#include <cortex_a57.h>
#include <common/debug.h>
#include <denver.h>
#include <drivers/arm/gic_common.h>
#include <drivers/arm/gicv2.h>
#include <bl31/interrupt_mgmt.h>
#include <mce.h>
#include <mce_private.h>
#include <memctrl.h>
#include <plat/common/platform.h>
#include <smmu.h>
#include <spe.h>
#include <tegra_def.h>
#include <tegra_platform.h>
#include <tegra_private.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
/* ID for spe-console */
#define TEGRA_CONSOLE_SPE_ID 0xFE
/*******************************************************************************
* Structure to store the SCR addresses and its expected settings.
*******************************************************************************
*/
typedef struct {
uint32_t scr_addr;
uint32_t scr_val;
} scr_settings_t;
static const scr_settings_t t194_scr_settings[] = {
{ SCRATCH_RSV68_SCR, SCRATCH_RSV68_SCR_VAL },
{ SCRATCH_RSV71_SCR, SCRATCH_RSV71_SCR_VAL },
{ SCRATCH_RSV72_SCR, SCRATCH_RSV72_SCR_VAL },
{ SCRATCH_RSV75_SCR, SCRATCH_RSV75_SCR_VAL },
{ SCRATCH_RSV81_SCR, SCRATCH_RSV81_SCR_VAL },
{ SCRATCH_RSV97_SCR, SCRATCH_RSV97_SCR_VAL },
{ SCRATCH_RSV99_SCR, SCRATCH_RSV99_SCR_VAL },
{ SCRATCH_RSV109_SCR, SCRATCH_RSV109_SCR_VAL },
{ MISCREG_SCR_SCRTZWELCK, MISCREG_SCR_SCRTZWELCK_VAL }
};
/*******************************************************************************
* The Tegra power domain tree has a single system level power domain i.e. a
* single root node. The first entry in the power domain descriptor specifies
* the number of power domains at the highest power level.
*******************************************************************************
*/
static const uint8_t tegra_power_domain_tree_desc[] = {
/* No of root nodes */
1,
/* No of clusters */
PLATFORM_CLUSTER_COUNT,
/* No of CPU cores - cluster0 */
PLATFORM_MAX_CPUS_PER_CLUSTER,
/* No of CPU cores - cluster1 */
PLATFORM_MAX_CPUS_PER_CLUSTER,
/* No of CPU cores - cluster2 */
PLATFORM_MAX_CPUS_PER_CLUSTER,
/* No of CPU cores - cluster3 */
PLATFORM_MAX_CPUS_PER_CLUSTER
};
/*******************************************************************************
* This function returns the Tegra default topology tree information.
******************************************************************************/
const uint8_t *plat_get_power_domain_tree_desc(void)
{
return tegra_power_domain_tree_desc;
}
/*
* Table of regions to map using the MMU.
*/
static const mmap_region_t tegra_mmap[] = {
MAP_REGION_FLAT(TEGRA_MISC_BASE, 0x4000U, /* 16KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_GPCDMA_BASE, 0x10000U, /* 64KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_MC_STREAMID_BASE, 0x8000U, /* 32KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_MC_BASE, 0x8000U, /* 32KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
#if !ENABLE_CONSOLE_SPE
MAP_REGION_FLAT(TEGRA_UARTA_BASE, 0x20000U, /* 128KB - UART A, B*/
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_UARTC_BASE, 0x20000U, /* 128KB - UART C, G */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_UARTD_BASE, 0x30000U, /* 192KB - UART D, E, F */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
#endif
MAP_REGION_FLAT(TEGRA_XUSB_PADCTL_BASE, 0x2000U, /* 8KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_GICD_BASE, 0x1000, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_GICC_BASE, 0x1000, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_SE0_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_PKA1_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_RNG1_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_HSP_DBELL_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
#if ENABLE_CONSOLE_SPE
MAP_REGION_FLAT(TEGRA_CONSOLE_SPE_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
#endif
MAP_REGION_FLAT(TEGRA_TMRUS_BASE, TEGRA_TMRUS_SIZE, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_SCRATCH_BASE, 0x1000U, /* 4KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_SMMU2_BASE, 0x800000U, /* 8MB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_SMMU1_BASE, 0x800000U, /* 8MB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_SMMU0_BASE, 0x800000U, /* 8MB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_BPMP_IPC_TX_PHYS_BASE, 0x10000U, /* 64KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
MAP_REGION_FLAT(TEGRA_CAR_RESET_BASE, 0x10000U, /* 64KB */
(uint8_t)MT_DEVICE | (uint8_t)MT_RW | (uint8_t)MT_SECURE),
{0}
};
/*******************************************************************************
* Set up the pagetables as per the platform memory map & initialize the MMU
******************************************************************************/
const mmap_region_t *plat_get_mmio_map(void)
{
/* MMIO space */
return tegra_mmap;
}
/*******************************************************************************
* Handler to get the System Counter Frequency
******************************************************************************/
uint32_t plat_get_syscnt_freq2(void)
{
return 31250000;
}
#if !ENABLE_CONSOLE_SPE
/*******************************************************************************
* Maximum supported UART controllers
******************************************************************************/
#define TEGRA194_MAX_UART_PORTS 7
/*******************************************************************************
* This variable holds the UART port base addresses
******************************************************************************/
static uint32_t tegra194_uart_addresses[TEGRA194_MAX_UART_PORTS + 1] = {
0, /* undefined - treated as an error case */
TEGRA_UARTA_BASE,
TEGRA_UARTB_BASE,
TEGRA_UARTC_BASE,
TEGRA_UARTD_BASE,
TEGRA_UARTE_BASE,
TEGRA_UARTF_BASE,
TEGRA_UARTG_BASE
};
#endif
/*******************************************************************************
* Enable console corresponding to the console ID
******************************************************************************/
void plat_enable_console(int32_t id)
{
uint32_t console_clock = 0U;
#if ENABLE_CONSOLE_SPE
static console_t spe_console;
if (id == TEGRA_CONSOLE_SPE_ID) {
(void)console_spe_register(TEGRA_CONSOLE_SPE_BASE,
console_clock,
TEGRA_CONSOLE_BAUDRATE,
&spe_console);
console_set_scope(&spe_console, CONSOLE_FLAG_BOOT |
CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
}
#else
static console_t uart_console;
if ((id > 0) && (id < TEGRA194_MAX_UART_PORTS)) {
/*
* Reference clock used by the FPGAs is a lot slower.
*/
if (tegra_platform_is_fpga()) {
console_clock = TEGRA_BOOT_UART_CLK_13_MHZ;
} else {
console_clock = TEGRA_BOOT_UART_CLK_408_MHZ;
}
(void)console_16550_register(tegra194_uart_addresses[id],
console_clock,
TEGRA_CONSOLE_BAUDRATE,
&uart_console);
console_set_scope(&uart_console, CONSOLE_FLAG_BOOT |
CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_CRASH);
}
#endif
}
/*******************************************************************************
* Verify SCR settings
******************************************************************************/
static inline bool tegra194_is_scr_valid(void)
{
uint32_t scr_val;
bool ret = true;
for (uint8_t i = 0U; i < ARRAY_SIZE(t194_scr_settings); i++) {
scr_val = mmio_read_32((uintptr_t)t194_scr_settings[i].scr_addr);
if (scr_val != t194_scr_settings[i].scr_val) {
ERROR("Mismatch at SCR addr = 0x%x\n", t194_scr_settings[i].scr_addr);
ret = false;
}
}
return ret;
}
/*******************************************************************************
* Handler for early platform setup
******************************************************************************/
void plat_early_platform_setup(void)
{
const plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params();
uint8_t enable_ccplex_lock_step = params_from_bl2->enable_ccplex_lock_step;
uint64_t actlr_elx;
/* Verify chip id is t194 */
assert(tegra_chipid_is_t194());
/* Verify SCR settings */
if (tegra_platform_is_silicon()) {
assert(tegra194_is_scr_valid());
}
/* sanity check MCE firmware compatibility */
mce_verify_firmware_version();
#if RAS_FFH_SUPPORT
/* Enable Uncorrectable RAS error */
tegra194_ras_enable();
#endif
/*
* Program XUSB STREAMIDs
* ======================
* T19x XUSB has support for XUSB virtualization. It will have one
* physical function (PF) and four Virtual function (VF)
*
* There were below two SIDs for XUSB until T186.
* 1) #define TEGRA_SID_XUSB_HOST 0x1bU
* 2) #define TEGRA_SID_XUSB_DEV 0x1cU
*
* We have below four new SIDs added for VF(s)
* 3) #define TEGRA_SID_XUSB_VF0 0x5dU
* 4) #define TEGRA_SID_XUSB_VF1 0x5eU
* 5) #define TEGRA_SID_XUSB_VF2 0x5fU
* 6) #define TEGRA_SID_XUSB_VF3 0x60U
*
* When virtualization is enabled then we have to disable SID override
* and program above SIDs in below newly added SID registers in XUSB
* PADCTL MMIO space. These registers are TZ protected and so need to
* be done in ATF.
* a) #define XUSB_PADCTL_HOST_AXI_STREAMID_PF_0 (0x136cU)
* b) #define XUSB_PADCTL_DEV_AXI_STREAMID_PF_0 (0x139cU)
* c) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_0 (0x1370U)
* d) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_1 (0x1374U)
* e) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_2 (0x1378U)
* f) #define XUSB_PADCTL_HOST_AXI_STREAMID_VF_3 (0x137cU)
*
* This change disables SID override and programs XUSB SIDs in
* above registers to support both virtualization and
* non-virtualization platforms
*/
if (tegra_platform_is_silicon() || tegra_platform_is_fpga()) {
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_HOST);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_HOST);
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_0, TEGRA_SID_XUSB_VF0);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_0) == TEGRA_SID_XUSB_VF0);
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_1, TEGRA_SID_XUSB_VF1);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_1) == TEGRA_SID_XUSB_VF1);
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_2, TEGRA_SID_XUSB_VF2);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_2) == TEGRA_SID_XUSB_VF2);
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_3, TEGRA_SID_XUSB_VF3);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_HOST_AXI_STREAMID_VF_3) == TEGRA_SID_XUSB_VF3);
mmio_write_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_DEV_AXI_STREAMID_PF_0, TEGRA_SID_XUSB_DEV);
assert(mmio_read_32(TEGRA_XUSB_PADCTL_BASE +
XUSB_PADCTL_DEV_AXI_STREAMID_PF_0) == TEGRA_SID_XUSB_DEV);
}
/*
* Enable dual execution optimized translations for all ELx.
*/
if (enable_ccplex_lock_step != 0U) {
actlr_elx = read_actlr_el3();
actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL3;
write_actlr_el3(actlr_elx);
/* check if the bit is actually set */
assert((read_actlr_el3() & DENVER_CPU_ENABLE_DUAL_EXEC_EL3) != 0ULL);
actlr_elx = read_actlr_el2();
actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL2;
write_actlr_el2(actlr_elx);
/* check if the bit is actually set */
assert((read_actlr_el2() & DENVER_CPU_ENABLE_DUAL_EXEC_EL2) != 0ULL);
actlr_elx = read_actlr_el1();
actlr_elx |= DENVER_CPU_ENABLE_DUAL_EXEC_EL1;
write_actlr_el1(actlr_elx);
/* check if the bit is actually set */
assert((read_actlr_el1() & DENVER_CPU_ENABLE_DUAL_EXEC_EL1) != 0ULL);
}
}
/* Secure IRQs for Tegra194 */
static const interrupt_prop_t tegra194_interrupt_props[] = {
INTR_PROP_DESC(TEGRA_SDEI_SGI_PRIVATE, PLAT_SDEI_CRITICAL_PRI,
GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE),
INTR_PROP_DESC(TEGRA194_TOP_WDT_IRQ, PLAT_TEGRA_WDT_PRIO,
GICV2_INTR_GROUP0, GIC_INTR_CFG_EDGE)
};
/*******************************************************************************
* Initialize the GIC and SGIs
******************************************************************************/
void plat_gic_setup(void)
{
tegra_gic_setup(tegra194_interrupt_props, ARRAY_SIZE(tegra194_interrupt_props));
tegra_gic_init();
/*
* Initialize the FIQ handler
*/
tegra_fiq_handler_setup();
}
/*******************************************************************************
* Return pointer to the BL31 params from previous bootloader
******************************************************************************/
struct tegra_bl31_params *plat_get_bl31_params(void)
{
uint64_t val;
val = (mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PARAMS_HI_ADDR) &
SCRATCH_BL31_PARAMS_HI_ADDR_MASK) >> SCRATCH_BL31_PARAMS_HI_ADDR_SHIFT;
val <<= 32;
val |= mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PARAMS_LO_ADDR);
return (struct tegra_bl31_params *)(uintptr_t)val;
}
/*******************************************************************************
* Return pointer to the BL31 platform params from previous bootloader
******************************************************************************/
plat_params_from_bl2_t *plat_get_bl31_plat_params(void)
{
uint64_t val;
val = (mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PLAT_PARAMS_HI_ADDR) &
SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_MASK) >> SCRATCH_BL31_PLAT_PARAMS_HI_ADDR_SHIFT;
val <<= 32;
val |= mmio_read_32(TEGRA_SCRATCH_BASE + SCRATCH_BL31_PLAT_PARAMS_LO_ADDR);
return (plat_params_from_bl2_t *)(uintptr_t)val;
}
/*******************************************************************************
* Handler for late platform setup
******************************************************************************/
void plat_late_platform_setup(void)
{
#if ENABLE_STRICT_CHECKING_MODE
/*
* Enable strict checking after programming the GSC for
* enabling TZSRAM and TZDRAM
*/
mce_enable_strict_checking();
mce_verify_strict_checking();
#endif
}
/*******************************************************************************
* Handler to indicate support for System Suspend
******************************************************************************/
bool plat_supports_system_suspend(void)
{
return true;
}
/*******************************************************************************
* Platform specific runtime setup.
******************************************************************************/
void plat_runtime_setup(void)
{
/*
* During cold boot, it is observed that the arbitration
* bit is set in the Memory controller leading to false
* error interrupts in the non-secure world. To avoid
* this, clean the interrupt status register before
* booting into the non-secure world
*/
tegra_memctrl_clear_pending_interrupts();
/*
* During boot, USB3 and flash media (SDMMC/SATA) devices need
* access to IRAM. Because these clients connect to the MC and
* do not have a direct path to the IRAM, the MC implements AHB
* redirection during boot to allow path to IRAM. In this mode
* accesses to a programmed memory address aperture are directed
* to the AHB bus, allowing access to the IRAM. This mode must be
* disabled before we jump to the non-secure world.
*/
tegra_memctrl_disable_ahb_redirection();
/*
* Verify the integrity of the previously configured SMMU(s) settings
*/
tegra_smmu_verify();
}
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