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authorIngo Molnar <mingo@elte.hu>2011-01-04 09:43:42 +0100
committerIngo Molnar <mingo@elte.hu>2011-01-04 09:43:42 +0100
commitbc030d6cb9532877c1c5a3f5e7123344fa24a285 (patch)
treed223d410b868b80d4c0deec192d354a5d06b201a /arch/mn10300/unit-asb2364/unit-init.c
parentd3bd058826aa8b79590cca6c8e6d1557bf576ada (diff)
parent387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff)
Merge commit 'v2.6.37-rc8' into x86/apic
Conflicts: arch/x86/include/asm/io_apic.h Merge reason: move to a fresh -rc, resolve the conflict. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mn10300/unit-asb2364/unit-init.c')
-rw-r--r--arch/mn10300/unit-asb2364/unit-init.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/mn10300/unit-asb2364/unit-init.c b/arch/mn10300/unit-asb2364/unit-init.c
new file mode 100644
index 00000000000..11440803db1
--- /dev/null
+++ b/arch/mn10300/unit-asb2364/unit-init.c
@@ -0,0 +1,88 @@
+/* ASB2364 initialisation
+ *
+ * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/processor.h>
+#include <asm/irq.h>
+#include <asm/intctl-regs.h>
+#include <unit/fpga-regs.h>
+
+/*
+ * initialise some of the unit hardware before gdbstub is set up
+ */
+asmlinkage void __init unit_init(void)
+{
+ /* set up the external interrupts */
+
+ /* XIRQ[0]: NAND RXBY */
+ /* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */
+
+ /* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */
+ SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL);
+
+ /* XIRQ[2]: Extend Slot 1-9 */
+ /* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */
+
+#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) && \
+ defined(CONFIG_ETHERNET_IRQ_LEVEL) && \
+ (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL)
+# error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL
+#endif
+
+#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL)
+ set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
+#elif defined(CONFIG_ETHERNET_IRQ_LEVEL)
+ set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL));
+#endif
+}
+
+/*
+ * initialise the rest of the unit hardware after gdbstub is ready
+ */
+asmlinkage void __init unit_setup(void)
+{
+
+}
+
+/*
+ * initialise the external interrupts used by a unit of this type
+ */
+void __init unit_init_IRQ(void)
+{
+ unsigned int extnum;
+
+ for (extnum = 0 ; extnum < NR_XIRQS ; extnum++) {
+ switch (GET_XIRQ_TRIGGER(extnum)) {
+ /* LEVEL triggered interrupts should be made
+ * post-ACK'able as they hold their lines until
+ * serviced
+ */
+ case XIRQ_TRIGGER_HILEVEL:
+ case XIRQ_TRIGGER_LOWLEVEL:
+ mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
+ break;
+ default:
+ break;
+ }
+ }
+
+#define IRQCTL __SYSREG(0xd5000090, u32)
+ IRQCTL |= 0x02;
+
+ irq_fpga_init();
+}