summaryrefslogtreecommitdiff
path: root/core/arch/arm/plat-rpi3/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'core/arch/arm/plat-rpi3/main.c')
-rw-r--r--core/arch/arm/plat-rpi3/main.c94
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());
+}