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authorPaul Mundt <lethal@linux-sh.org>2008-07-29 14:01:19 +0200
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 14:01:19 +0200
commitda2014a2b080e7f3024a4eb6917d47069ad9620b (patch)
treecfde12c6d4b5baa222966b14a676f107992cf786 /arch/sh/boards/mach-highlander/irq-r7785rp.c
parentsh: dma-sh: Fix up dreamcast dma.h mach path. (diff)
downloadlinux-da2014a2b080e7f3024a4eb6917d47069ad9620b.tar.xz
linux-da2014a2b080e7f3024a4eb6917d47069ad9620b.zip
sh: Shuffle the board directories in to mach groups.
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/mach-highlander/irq-r7785rp.c')
-rw-r--r--arch/sh/boards/mach-highlander/irq-r7785rp.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/irq-r7785rp.c b/arch/sh/boards/mach-highlander/irq-r7785rp.c
new file mode 100644
index 000000000000..896c045aa39d
--- /dev/null
+++ b/arch/sh/boards/mach-highlander/irq-r7785rp.c
@@ -0,0 +1,86 @@
+/*
+ * Renesas Solutions Highlander R7785RP Support.
+ *
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2006 - 2008 Paul Mundt
+ * Copyright (C) 2007 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <asm/r7780rp.h>
+
+enum {
+ UNUSED = 0,
+
+ /* FPGA specific interrupt sources */
+ CF, /* Compact Flash */
+ SMBUS, /* SMBUS */
+ TP, /* Touch panel */
+ RTC, /* RTC Alarm */
+ TH_ALERT, /* Temperature sensor */
+ AX88796, /* Ethernet controller */
+
+ /* external bus connector */
+ EXT0, EXT1, EXT2, EXT3, EXT4, EXT5, EXT6, EXT7,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(CF, IRQ_CF),
+ INTC_IRQ(SMBUS, IRQ_SMBUS),
+ INTC_IRQ(TP, IRQ_TP),
+ INTC_IRQ(RTC, IRQ_RTC),
+ INTC_IRQ(TH_ALERT, IRQ_TH_ALERT),
+
+ INTC_IRQ(EXT0, IRQ_EXT0), INTC_IRQ(EXT1, IRQ_EXT1),
+ INTC_IRQ(EXT2, IRQ_EXT2), INTC_IRQ(EXT3, IRQ_EXT3),
+
+ INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
+ INTC_IRQ(EXT6, IRQ_EXT6), INTC_IRQ(EXT7, IRQ_EXT7),
+
+ INTC_IRQ(AX88796, IRQ_AX88796),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xa4000010, 0, 16, /* IRLMCR1 */
+ { 0, 0, 0, 0, CF, AX88796, SMBUS, TP,
+ RTC, 0, TH_ALERT, 0, 0, 0, 0, 0 } },
+ { 0xa4000012, 0, 16, /* IRLMCR2 */
+ { 0, 0, 0, 0, 0, 0, 0, 0,
+ EXT7, EXT6, EXT5, EXT4, EXT3, EXT2, EXT1, EXT0 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+ 0, IRQ_CF, IRQ_EXT4, IRQ_EXT5,
+ IRQ_EXT6, IRQ_EXT7, IRQ_SMBUS, IRQ_TP,
+ IRQ_RTC, IRQ_TH_ALERT, IRQ_AX88796, IRQ_EXT0,
+ IRQ_EXT1, IRQ_EXT2, IRQ_EXT3,
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
+ NULL, mask_registers, NULL, NULL);
+
+unsigned char * __init highlander_plat_irq_setup(void)
+{
+ if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000)
+ return NULL;
+
+ printk(KERN_INFO "Using r7785rp interrupt controller.\n");
+
+ ctrl_outw(0x0000, PA_IRLSSR1); /* FPGA IRLSSR1(CF_CD clear) */
+
+ /* Setup the FPGA IRL */
+ ctrl_outw(0x0000, PA_IRLPRA); /* FPGA IRLA */
+ ctrl_outw(0xe598, PA_IRLPRB); /* FPGA IRLB */
+ ctrl_outw(0x7060, PA_IRLPRC); /* FPGA IRLC */
+ ctrl_outw(0x0000, PA_IRLPRD); /* FPGA IRLD */
+ ctrl_outw(0x4321, PA_IRLPRE); /* FPGA IRLE */
+ ctrl_outw(0xdcba, PA_IRLPRF); /* FPGA IRLF */
+
+ register_intc_controller(&intc_desc);
+ return irl2irq;
+}