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-rw-r--r--arch/sh/boards/renesas/r7780rp/Makefile5
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq-r7780mp.c61
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq-r7780rp.c6
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq-r7785rp.c46
-rw-r--r--arch/sh/boards/renesas/r7780rp/setup.c70
5 files changed, 165 insertions, 23 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index b1d20afb4eb..dd26182fbf5 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -1,9 +1,10 @@
#
# Makefile for the R7780RP-1 specific parts of the kernel
#
-irqinit-y := irq-r7780rp.o
+irqinit-$(CONFIG_SH_R7780MP) := irq-r7780mp.o
irqinit-$(CONFIG_SH_R7785RP) := irq-r7785rp.o
-obj-y := setup.o irq.o $(irqinit-y)
+irqinit-$(CONFIG_SH_R7780RP) := irq-r7780rp.o irq.o
+obj-y := setup.o $(irqinit-y)
ifneq ($(CONFIG_SH_R7785RP),y)
obj-$(CONFIG_PUSH_SWITCH) += psw.o
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
new file mode 100644
index 00000000000..59b47fe061f
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780mp.c
@@ -0,0 +1,61 @@
+/*
+ * Renesas Solutions Highlander R7780MP Support.
+ *
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2006 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,
+
+ /* board specific interrupt sources */
+ AX88796, /* Ethernet controller */
+ CF, /* Compact Flash */
+ PSW, /* Push Switch */
+ EXT1, /* EXT1n IRQ */
+ EXT4, /* EXT4n IRQ */
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(CF, IRQ_CF),
+ INTC_IRQ(PSW, IRQ_PSW),
+ INTC_IRQ(AX88796, IRQ_AX88796),
+ INTC_IRQ(EXT1, IRQ_EXT1),
+ INTC_IRQ(EXT4, IRQ_EXT4),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xa4000000, 0, 16, /* IRLMSK */
+ { 0, 0, 0, 0, CF, 0, 0, 0,
+ 0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+ 0, IRQ_CF, 0, 0,
+ 0, 0, 0, 0,
+ 0, IRQ_EXT4, 0, IRQ_EXT1,
+ 0, IRQ_AX88796, IRQ_PSW,
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
+ NULL, NULL, mask_registers, NULL, NULL);
+
+unsigned char * __init highlander_init_irq_r7780mp(void)
+{
+ if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
+ printk(KERN_INFO "Using r7780mp interrupt controller.\n");
+ register_intc_controller(&intc_desc);
+ return irl2irq;
+ }
+
+ return NULL;
+}
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
index f5f358746c9..fa4a534cade 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
@@ -9,13 +9,15 @@
* for more details.
*/
#include <linux/init.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/r7780rp.h>
-void __init highlander_init_irq(void)
+unsigned char * __init highlander_init_irq_r7780rp(void)
{
int i;
for (i = 0; i < 15; i++)
make_r7780rp_irq(i);
+
+ return NULL;
}
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
index dd6ec4ce44d..b2c6a84673b 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7785rp.c
@@ -1,19 +1,55 @@
/*
- * Renesas Solutions Highlander R7780RP-1 Support.
+ * Renesas Solutions Highlander R7785RP Support.
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2006 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 <asm/io.h>
+#include <linux/irq.h>
+#include <linux/io.h>
#include <asm/r7780rp.h>
-void __init highlander_init_irq(void)
+enum {
+ UNUSED = 0,
+
+ /* board specific interrupt sources */
+ AX88796, /* Ethernet controller */
+ CF, /* Compact Flash */
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(CF, IRQ_CF),
+ INTC_IRQ(AX88796, IRQ_AX88796),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xa4000010, 0, 16, /* IRLMCR1 */
+ { 0, 0, 0, 0, CF, AX88796, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+ 0, IRQ_CF, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, IRQ_AX88796, 0,
+ 0, 0, 0,
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
+ NULL, NULL, mask_registers, NULL, NULL);
+
+unsigned char * __init highlander_init_irq_r7785rp(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 */
@@ -24,6 +60,6 @@ void __init highlander_init_irq(void)
ctrl_outw(0x4321, PA_IRLPRE); /* FPGA IRLE */
ctrl_outw(0x0000, PA_IRLPRF); /* FPGA IRLF */
- make_r7780rp_irq(1); /* CF card */
- make_r7780rp_irq(10); /* On-board ethernet */
+ register_intc_controller(&intc_desc);
+ return irl2irq;
}
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index adb529d01ba..afe9de73666 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -19,6 +19,7 @@
#include <asm/machvec.h>
#include <asm/r7780rp.h>
#include <asm/clock.h>
+#include <asm/heartbeat.h>
#include <asm/io.h>
static struct resource r8a66597_usb_host_resources[] = {
@@ -30,8 +31,8 @@ static struct resource r8a66597_usb_host_resources[] = {
},
[1] = {
.name = "r8a66597_hcd",
- .start = 11, /* irq number */
- .end = 11,
+ .start = IRQ_EXT1, /* irq number */
+ .end = IRQ_EXT1,
.flags = IORESOURCE_IRQ,
},
};
@@ -56,8 +57,8 @@ static struct resource m66592_usb_peripheral_resources[] = {
},
[1] = {
.name = "m66592_udc",
- .start = 9, /* irq number */
- .end = 9,
+ .start = IRQ_EXT4, /* irq number */
+ .end = IRQ_EXT4,
.flags = IORESOURCE_IRQ,
},
};
@@ -85,11 +86,7 @@ static struct resource cf_ide_resources[] = {
.flags = IORESOURCE_MEM,
},
[2] = {
-#ifdef CONFIG_SH_R7780RP
- .start = 4,
-#else
- .start = 1,
-#endif
+ .start = IRQ_CF,
.flags = IORESOURCE_IRQ,
},
};
@@ -108,16 +105,23 @@ static struct platform_device cf_ide_device = {
},
};
-static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
-
static struct resource heartbeat_resources[] = {
[0] = {
.start = PA_OBLED,
- .end = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
+ .end = PA_OBLED,
.flags = IORESOURCE_MEM,
},
};
+#ifndef CONFIG_SH_R7785RP
+static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
+
+static struct heartbeat_data heartbeat_data = {
+ .bit_pos = heartbeat_bit_pos,
+ .nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
+};
+#endif
+
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
@@ -125,7 +129,7 @@ static struct platform_device heartbeat_device = {
/* R7785RP has a slightly more sensible FPGA.. */
#ifndef CONFIG_SH_R7785RP
.dev = {
- .platform_data = heartbeat_bit_pos,
+ .platform_data = &heartbeat_data,
},
#endif
.num_resources = ARRAY_SIZE(heartbeat_resources),
@@ -217,12 +221,50 @@ static void __init highlander_setup(char **cmdline_p)
pm_power_off = r7780rp_power_off;
}
+static unsigned char irl2irq[HL_NR_IRL];
+
+int highlander_irq_demux(int irq)
+{
+ if (irq >= HL_NR_IRL || !irl2irq[irq])
+ return irq;
+
+ return irl2irq[irq];
+}
+
+void __init highlander_init_irq(void)
+{
+ unsigned char *ucp = NULL;
+
+ do {
+#ifdef CONFIG_SH_R7780MP
+ ucp = highlander_init_irq_r7780mp();
+ if (ucp)
+ break;
+#endif
+#ifdef CONFIG_SH_R7785RP
+ ucp = highlander_init_irq_r7785rp();
+ if (ucp)
+ break;
+#endif
+#ifdef CONFIG_SH_R7780RP
+ highlander_init_irq_r7780rp();
+ ucp = irl2irq;
+ break;
+#endif
+ } while (0);
+
+ if (ucp) {
+ plat_irq_setup_pins(IRQ_MODE_IRL3210);
+ memcpy(irl2irq, ucp, HL_NR_IRL);
+ }
+}
+
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_highlander __initmv = {
.mv_name = "Highlander",
- .mv_nr_irqs = 109,
.mv_setup = highlander_setup,
.mv_init_irq = highlander_init_irq,
+ .mv_irq_demux = highlander_irq_demux,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-02 07:10:10 +0000