diff options
Diffstat (limited to 'core/arch/arm/plat-rpi3/main.c')
-rw-r--r-- | core/arch/arm/plat-rpi3/main.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/core/arch/arm/plat-rpi3/main.c b/core/arch/arm/plat-rpi3/main.c new file mode 100644 index 0000000..9270e19 --- /dev/null +++ b/core/arch/arm/plat-rpi3/main.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2016, Sequitur Labs Inc. All rights reserved. + * 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 <console.h> +#include <drivers/serial8250_uart.h> +#include <kernel/generic_boot.h> +#include <kernel/panic.h> +#include <kernel/pm_stubs.h> +#include <mm/core_memprot.h> +#include <mm/tee_pager.h> +#include <platform_config.h> +#include <stdint.h> +#include <tee/entry_fast.h> +#include <tee/entry_std.h> + +static void main_fiq(void) +{ + panic(); +} + +static const struct thread_handlers handlers = { + .std_smc = tee_entry_std, + .fast_smc = tee_entry_fast, + .fiq = main_fiq, + .cpu_on = cpu_on_handler, + .cpu_off = pm_do_nothing, + .cpu_suspend = pm_do_nothing, + .cpu_resume = pm_do_nothing, + .system_off = pm_do_nothing, + .system_reset = pm_do_nothing, +}; + +const struct thread_handlers *generic_boot_get_handlers(void) +{ + return &handlers; +} + +static vaddr_t console_base(void) +{ + static vaddr_t va; + + if (cpu_mmu_enabled()) { + if (!va) + va = (vaddr_t)phys_to_virt(CONSOLE_UART_BASE, + MEM_AREA_IO_NSEC); + return va; + } + + return CONSOLE_UART_BASE; +} + +void console_putc(int ch) +{ + vaddr_t base = console_base(); + + if (ch == '\n') + serial8250_uart_putc('\r', base); + serial8250_uart_putc(ch, base); +} + +void console_init(void) +{ + serial8250_uart_init(console_base(), CONSOLE_UART_CLK_IN_HZ, + CONSOLE_BAUDRATE); +} + +void console_flush(void) +{ + serial8250_uart_flush_tx_fifo(console_base()); +} |