[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/platform/microblaze/intc.c b/src/bsp/lk/platform/microblaze/intc.c
new file mode 100644
index 0000000..f70b9a7
--- /dev/null
+++ b/src/bsp/lk/platform/microblaze/intc.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2015 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 <reg.h>
+#include <err.h>
+#include <trace.h>
+#include <lk/init.h>
+#include <kernel/thread.h>
+#include <platform.h>
+#include <platform/interrupts.h>
+#include <platform/debug.h>
+#include <sys/types.h>
+#include <target/microblaze-config.h>
+
+#define LOCAL_TRACE 0
+
+#define R_ISR 0
+#define R_IPR 1
+#define R_IER 2
+#define R_IAR 3
+#define R_SIE 4
+#define R_CIE 5
+#define R_IVR 6
+#define R_MER 7
+#define R_MAX 8
+
+#define INTC_REG(reg) (*REG32(INTC_BASEADDR + (reg) * 4))
+
+static spin_lock_t lock;
+
+struct int_handler_struct {
+ int_handler handler;
+ void *arg;
+};
+
+static struct int_handler_struct int_handler_table[MAX_INT];
+
+void register_int_handler(unsigned int vector, int_handler handler, void *arg)
+{
+ LTRACEF("vector %u, handler %p, arg %p\n", vector, handler, arg);
+
+ if (vector >= MAX_INT)
+ return;
+
+ spin_lock_saved_state_t state;
+ spin_lock_irqsave(&lock, state);
+
+ int_handler_table[vector].handler = handler;
+ int_handler_table[vector].arg = arg;
+
+ spin_unlock_irqrestore(&lock, state);
+}
+
+status_t mask_interrupt(unsigned int vector)
+{
+ LTRACEF("vector %u\n", vector);
+
+ INTC_REG(R_CIE) = 1 << vector;
+
+ return NO_ERROR;
+}
+
+status_t unmask_interrupt(unsigned int vector)
+{
+ LTRACEF("vector %u\n", vector);
+
+ INTC_REG(R_SIE) = 1 << vector;
+
+ return NO_ERROR;
+}
+
+enum handler_return platform_irq_handler(void)
+{
+ enum handler_return ret = INT_NO_RESCHEDULE;
+
+ uint irq = INTC_REG(R_IVR);
+ LTRACEF("irq %u, IPR 0x%x, ISR 0x%x\n", irq, INTC_REG(R_IPR), INTC_REG(R_ISR));
+
+ if (irq < MAX_INT && int_handler_table[irq].handler)
+ ret = int_handler_table[irq].handler(int_handler_table[irq].arg);
+
+ INTC_REG(R_IAR) = 1 << irq;
+
+ return ret;
+}
+
+static void intc_init(uint level)
+{
+ LTRACE;
+
+ INTC_REG(R_CIE) = 0xffffffff;
+ INTC_REG(R_MER) = 0x3;
+}
+
+LK_INIT_HOOK(intc, intc_init, LK_INIT_LEVEL_PLATFORM_EARLY);
+