summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/mach-sdk7780/irq.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/sh/boards/mach-sdk7780/irq.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/boards/mach-sdk7780/irq.c')
-rw-r--r--arch/sh/boards/mach-sdk7780/irq.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sdk7780/irq.c b/arch/sh/boards/mach-sdk7780/irq.c
new file mode 100644
index 000000000..fa392f3dc
--- /dev/null
+++ b/arch/sh/boards/mach-sdk7780/irq.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/sh/boards/renesas/sdk7780/irq.c
+ *
+ * Renesas Technology Europe SDK7780 Support.
+ *
+ * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <mach/sdk7780.h>
+
+enum {
+ UNUSED = 0,
+ /* board specific interrupt sources */
+ SMC91C111, /* Ethernet controller */
+};
+
+static struct intc_vect fpga_vectors[] __initdata = {
+ INTC_IRQ(SMC91C111, IRQ_ETHERNET),
+};
+
+static struct intc_mask_reg fpga_mask_registers[] __initdata = {
+ { 0, FPGA_IRQ0MR, 16,
+ { 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, SMC91C111, 0, 0, 0, 0 } },
+};
+
+static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
+ NULL, fpga_mask_registers, NULL, NULL);
+
+void __init init_sdk7780_IRQ(void)
+{
+ printk(KERN_INFO "Using SDK7780 interrupt controller.\n");
+
+ __raw_writew(0xFFFF, FPGA_IRQ0MR);
+ /* Setup IRL 0-3 */
+ __raw_writew(0x0003, FPGA_IMSR);
+ plat_irq_setup_pins(IRQ_MODE_IRL3210);
+
+ register_intc_controller(&fpga_intc_desc);
+}