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/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
* All rights reserved.
* Copyright (c) 2016, Wind River Systems.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arm32.h>
#include <console.h>
#include <drivers/gic.h>
#include <drivers/imx_uart.h>
#include <io.h>
#include <kernel/generic_boot.h>
#include <kernel/misc.h>
#include <kernel/panic.h>
#include <kernel/pm_stubs.h>
#include <mm/core_mmu.h>
#include <mm/core_memprot.h>
#include <platform_config.h>
#include <stdint.h>
#include <sm/optee_smc.h>
#include <tee/entry_fast.h>
#include <tee/entry_std.h>
#if defined(PLATFORM_FLAVOR_mx6qsabrelite) || \
defined(PLATFORM_FLAVOR_mx6qsabresd)
#include <kernel/tz_ssvce_pl310.h>
#endif
static void main_fiq(void);
static struct gic_data gic_data;
static const struct thread_handlers handlers = {
.std_smc = tee_entry_std,
.fast_smc = tee_entry_fast,
.nintr = main_fiq,
.cpu_on = pm_panic,
.cpu_off = pm_panic,
.cpu_suspend = pm_panic,
.cpu_resume = pm_panic,
.system_off = pm_panic,
.system_reset = pm_panic,
};
register_phys_mem(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE, CORE_MMU_DEVICE_SIZE);
register_phys_mem(MEM_AREA_IO_SEC, GIC_BASE, CORE_MMU_DEVICE_SIZE);
#if defined(PLATFORM_FLAVOR_mx6qsabrelite) || \
defined(PLATFORM_FLAVOR_mx6qsabresd)
register_phys_mem(MEM_AREA_IO_SEC, PL310_BASE, CORE_MMU_DEVICE_SIZE);
register_phys_mem(MEM_AREA_IO_SEC, SRC_BASE, CORE_MMU_DEVICE_SIZE);
#endif
const struct thread_handlers *generic_boot_get_handlers(void)
{
return &handlers;
}
static void main_fiq(void)
{
panic();
}
#if defined(PLATFORM_FLAVOR_mx6qsabrelite) || \
defined(PLATFORM_FLAVOR_mx6qsabresd)
void plat_cpu_reset_late(void)
{
uintptr_t addr;
if (!get_core_pos()) {
/* primary core */
#if defined(CFG_BOOT_SYNC_CPU)
/* set secondary entry address and release core */
write32(CFG_TEE_LOAD_ADDR, SRC_BASE + SRC_GPR1 + 8);
write32(CFG_TEE_LOAD_ADDR, SRC_BASE + SRC_GPR1 + 16);
write32(CFG_TEE_LOAD_ADDR, SRC_BASE + SRC_GPR1 + 24);
write32(SRC_SCR_CPU_ENABLE_ALL, SRC_BASE + SRC_SCR);
#endif
/* SCU config */
write32(SCU_INV_CTRL_INIT, SCU_BASE + SCU_INV_SEC);
write32(SCU_SAC_CTRL_INIT, SCU_BASE + SCU_SAC);
write32(SCU_NSAC_CTRL_INIT, SCU_BASE + SCU_NSAC);
/* SCU enable */
write32(read32(SCU_BASE + SCU_CTRL) | 0x1,
SCU_BASE + SCU_CTRL);
/* configure imx6 CSU */
/* first grant all peripherals */
for (addr = CSU_BASE + CSU_CSL_START;
addr != CSU_BASE + CSU_CSL_END;
addr += 4)
write32(CSU_ACCESS_ALL, addr);
/* lock the settings */
for (addr = CSU_BASE + CSU_CSL_START;
addr != CSU_BASE + CSU_CSL_END;
addr += 4)
write32(read32(addr) | CSU_SETTING_LOCK, addr);
}
}
#endif
static vaddr_t console_base(void)
{
static void *va;
if (cpu_mmu_enabled()) {
if (!va)
va = phys_to_virt(CONSOLE_UART_BASE,
MEM_AREA_IO_NSEC);
return (vaddr_t)va;
}
return CONSOLE_UART_BASE;
}
void console_init(void)
{
vaddr_t base = console_base();
imx_uart_init(base);
}
void console_putc(int ch)
{
vaddr_t base = console_base();
/* If \n, also do \r */
if (ch == '\n')
imx_uart_putc('\r', base);
imx_uart_putc(ch, base);
}
void console_flush(void)
{
vaddr_t base = console_base();
imx_uart_flush_tx_fifo(base);
}
void main_init_gic(void)
{
vaddr_t gicc_base;
vaddr_t gicd_base;
gicc_base = (vaddr_t)phys_to_virt(GIC_BASE + GICC_OFFSET,
MEM_AREA_IO_SEC);
gicd_base = (vaddr_t)phys_to_virt(GIC_BASE + GICD_OFFSET,
MEM_AREA_IO_SEC);
if (!gicc_base || !gicd_base)
panic();
/* Initialize GIC */
gic_init(&gic_data, gicc_base, gicd_base);
itr_init(&gic_data.chip);
}
#if defined(PLATFORM_FLAVOR_mx6qsabrelite) || \
defined(PLATFORM_FLAVOR_mx6qsabresd)
vaddr_t pl310_base(void)
{
static void *va __early_bss;
if (cpu_mmu_enabled()) {
if (!va)
va = phys_to_virt(PL310_BASE, MEM_AREA_IO_SEC);
return (vaddr_t)va;
}
return PL310_BASE;
}
void main_secondary_init_gic(void)
{
gic_cpu_init(&gic_data);
}
#endif
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