blob: 95e1f615884142090fefbbd0e502c415012c98e5 [file] [log] [blame]
/*
* Copyright (c) 2019-2021, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch_helpers.h>
#include <drivers/console.h>
#include <lib/xlat_tables/xlat_mmu_helpers.h>
#include <plat/common/platform.h>
#include <lib/mmio.h>
#include <cpg_registers.h>
#define MSTP318 (1 << 18)
#define MSTP319 (1 << 19)
#define PMSR 0x5c
#define PMSR_L1FAEG (1U << 31)
#define PMSR_PMEL1RX (1 << 23)
#define PMCTLR 0x60
#define PMSR_L1IATN (1U << 31)
static int rcar_pcie_fixup(unsigned int controller)
{
uint32_t rcar_pcie_base[] = { 0xfe011000, 0xee811000 };
uint32_t addr = rcar_pcie_base[controller];
uint32_t cpg, pmsr;
int ret = 0;
/* Test if PCIECx is enabled */
cpg = mmio_read_32(CPG_MSTPSR3);
if (cpg & (MSTP318 << !controller))
return ret;
pmsr = mmio_read_32(addr + PMSR);
if ((pmsr & PMSR_PMEL1RX) && ((pmsr & 0x70000) != 0x30000)) {
/* Fix applicable */
mmio_write_32(addr + PMCTLR, PMSR_L1IATN);
while (!(mmio_read_32(addr + PMSR) & PMSR_L1FAEG))
;
mmio_write_32(addr + PMSR, PMSR_L1FAEG | PMSR_PMEL1RX);
ret = 1;
}
return ret;
}
/* RAS functions common to AArch64 ARM platforms */
void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
void *handle, uint64_t flags)
{
unsigned int fixed = 0;
fixed |= rcar_pcie_fixup(0);
fixed |= rcar_pcie_fixup(1);
if (fixed)
return;
ERROR("Unhandled External Abort received on 0x%lx at EL3!\n",
read_mpidr_el1());
ERROR(" exception reason=%u syndrome=0x%llx\n", ea_reason, syndrome);
panic();
}
#include <drivers/renesas/rcar/console/console.h>
static console_t rcar_boot_console;
static console_t rcar_runtime_console;
void rcar_console_boot_init(void)
{
int ret;
ret = console_rcar_register(0, 0, 0, &rcar_boot_console);
if (!ret)
panic();
console_set_scope(&rcar_boot_console, CONSOLE_FLAG_BOOT);
}
void rcar_console_boot_end(void)
{
}
void rcar_console_runtime_init(void)
{
int ret;
ret = console_rcar_register(1, 0, 0, &rcar_runtime_console);
if (!ret)
panic();
console_set_scope(&rcar_boot_console, CONSOLE_FLAG_RUNTIME);
}
void rcar_console_runtime_end(void)
{
}