[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/sam3/debug.c b/src/bsp/lk/platform/sam3/debug.c
new file mode 100644
index 0000000..de576cf
--- /dev/null
+++ b/src/bsp/lk/platform/sam3/debug.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <stdarg.h>
+#include <reg.h>
+#include <debug.h>
+#include <stdio.h>
+#include <lib/cbuf.h>
+#include <kernel/thread.h>
+#include <platform/debug.h>
+#include <arch/ops.h>
+#include <target/debugconfig.h>
+#include <arch/arm/cm.h>
+
+#include <uart/uart.h>
+#include <pmc/pmc.h>
+#include <pio/pio.h>
+
+static cbuf_t debug_rx_buf;
+
+void sam3_uart_irq(void)
+{
+ arm_cm_irq_entry();
+
+ bool resched = false;
+ unsigned char c;
+ if (uart_read(UART, &c) == 0) {
+ cbuf_write_char(&debug_rx_buf, c, false);
+ resched = true;
+ }
+
+ arm_cm_irq_exit(resched);
+}
+
+void sam_debug_early_init(void)
+{
+ pmc_enable_periph_clk(ID_UART);
+ pmc_enable_periph_clk(ID_PIOA);
+
+ pio_set_peripheral(PIOA, PIO_PERIPH_A, PIO_PA8);
+ pio_set_peripheral(PIOA, PIO_PERIPH_A, PIO_PA9);
+
+ sam_uart_opt_t opt;
+
+ opt.ul_mck = 84000000;
+ opt.ul_baudrate = 115200;
+ opt.ul_mode = UART_MR_PAR_NO | UART_MR_CHMODE_NORMAL;
+
+ NVIC_DisableIRQ(UART_IRQn);
+
+ uart_init(UART, &opt);
+
+ uart_enable(UART);
+}
+
+void sam_debug_init(void)
+{
+ cbuf_initialize(&debug_rx_buf, 16);
+ NVIC_EnableIRQ(UART_IRQn);
+ uart_enable_interrupt(UART, UART_IER_RXRDY);
+}
+
+void platform_dputc(char c)
+{
+ if (c == '\n') {
+ platform_dputc('\r');
+ }
+
+ while (!uart_is_tx_ready(UART))
+ ;
+ uart_write(UART, c);
+}
+
+int platform_dgetc(char *c, bool wait)
+{
+ return cbuf_read_char(&debug_rx_buf, c, wait);
+}
+