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-rw-r--r--arch/sh/boards/renesas/r7780rp/Makefile2
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq-r7780rp.c52
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq.c51
-rw-r--r--arch/sh/boards/renesas/r7780rp/setup.c10
-rw-r--r--arch/sh/drivers/pci/ops-r7780rp.c16
-rw-r--r--include/asm-sh/r7780rp.h19
6 files changed, 57 insertions, 93 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index dd26182fbf58..20a10080b11f 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -3,7 +3,7 @@
#
irqinit-$(CONFIG_SH_R7780MP) := irq-r7780mp.o
irqinit-$(CONFIG_SH_R7785RP) := irq-r7785rp.o
-irqinit-$(CONFIG_SH_R7780RP) := irq-r7780rp.o irq.o
+irqinit-$(CONFIG_SH_R7780RP) := irq-r7780rp.o
obj-y := setup.o $(irqinit-y)
ifneq ($(CONFIG_SH_R7785RP),y)
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
index fa4a534cade9..bd34048ed0e1 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
@@ -3,21 +3,65 @@
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2006 Paul Mundt
+ * Copyright (C) 2008 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 */
+ PSW, /* Push Switch */
+ CF, /* Compact Flash */
+
+ PCI_A,
+ PCI_B,
+ PCI_C,
+ PCI_D,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */
+ INTC_IRQ(PCI_B, 66),
+ INTC_IRQ(PCI_C, 67),
+ INTC_IRQ(PCI_D, 68),
+ INTC_IRQ(CF, IRQ_CF),
+ INTC_IRQ(PSW, IRQ_PSW),
+ INTC_IRQ(AX88796, IRQ_AX88796),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xa5000000, 0, 16, /* IRLMSK */
+ { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, PSW, AX88796 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+ 65, 66, 67, 68,
+ IRQ_CF, 0, 0, 0,
+ 0, 0, 0, 0,
+ IRQ_AX88796, IRQ_PSW
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
+ NULL, mask_registers, NULL, NULL);
+
unsigned char * __init highlander_init_irq_r7780rp(void)
{
- int i;
-
- for (i = 0; i < 15; i++)
- make_r7780rp_irq(i);
+ if (ctrl_inw(0xa5000600)) {
+ printk(KERN_INFO "Using r7780rp interrupt controller.\n");
+ register_intc_controller(&intc_desc);
+ return irl2irq;
+ }
return NULL;
}
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
deleted file mode 100644
index e0b8eb52f376..000000000000
--- a/arch/sh/boards/renesas/r7780rp/irq.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Renesas Solutions Highlander R7780RP-1 Support.
- *
- * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
- * Copyright (C) 2006 Paul Mundt
- *
- * 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/interrupt.h>
-#include <linux/io.h>
-#include <asm/r7780rp.h>
-
-#ifdef CONFIG_SH_R7780RP
-static int mask_pos[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 6, 4, 0, 1, 2, 0};
-#elif defined(CONFIG_SH_R7780MP)
-static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
-#elif defined(CONFIG_SH_R7785RP)
-static int mask_pos[] = {2, 11, 2, 2, 2, 2, 9, 8, 7, 5, 10, 2, 2, 2, 2, 2};
-#endif
-
-static void enable_r7780rp_irq(unsigned int irq)
-{
- /* Set priority in IPR back to original value */
- ctrl_outw(ctrl_inw(IRLCNTR1) | (1 << mask_pos[irq]), IRLCNTR1);
-}
-
-static void disable_r7780rp_irq(unsigned int irq)
-{
- /* Set the priority in IPR to 0 */
- ctrl_outw(ctrl_inw(IRLCNTR1) & (0xffff ^ (1 << mask_pos[irq])),
- IRLCNTR1);
-}
-
-static struct irq_chip r7780rp_irq_chip __read_mostly = {
- .name = "R7780RP",
- .mask = disable_r7780rp_irq,
- .unmask = enable_r7780rp_irq,
- .mask_ack = disable_r7780rp_irq,
-};
-
-void make_r7780rp_irq(unsigned int irq)
-{
- disable_irq_nosync(irq);
- set_irq_chip_and_handler_name(irq, &r7780rp_irq_chip,
- handle_level_irq, "level");
- enable_r7780rp_irq(irq);
-}
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index 0fdc0bc19145..a43b47726f54 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -179,9 +179,11 @@ static struct platform_device ax88796_device = {
static struct platform_device *r7780rp_devices[] __initdata = {
&r8a66597_usb_host_device,
&m66592_usb_peripheral_device,
- &cf_ide_device,
&heartbeat_device,
+#ifndef CONFIG_SH_R7780RP
+ &cf_ide_device,
&ax88796_device,
+#endif
};
static int __init r7780rp_devices_setup(void)
@@ -316,9 +318,9 @@ void __init highlander_init_irq(void)
break;
#endif
#ifdef CONFIG_SH_R7780RP
- highlander_init_irq_r7780rp();
- ucp = irl2irq;
- break;
+ ucp = highlander_init_irq_r7780rp();
+ if (ucp)
+ break;
#endif
} while (0);
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 48fe4032ebea..5fdadaeed6fc 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -17,25 +17,13 @@
#include <asm/io.h>
#include "pci-sh4.h"
-static char r7780rp_irq_tab[] __initdata = {
- 0, 1, 2, 3,
-};
-
-static char r7780mp_irq_tab[] __initdata = {
+static char irq_tab[] __initdata = {
65, 66, 67, 68,
};
int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
{
- if (mach_is_r7780rp())
- return r7780rp_irq_tab[slot];
- if (mach_is_r7780mp() || mach_is_r7785rp())
- return r7780mp_irq_tab[slot];
-
- printk(KERN_ERR "PCI: Bad IRQ mapping "
- "request for slot %d, func %d\n", slot, pin-1);
-
- return -1;
+ return irq_tab[slot];
}
static struct resource sh7780_io_resource = {
diff --git a/include/asm-sh/r7780rp.h b/include/asm-sh/r7780rp.h
index 1c2d4d18fab2..bdecea0840a0 100644
--- a/include/asm-sh/r7780rp.h
+++ b/include/asm-sh/r7780rp.h
@@ -121,21 +121,6 @@
#define IRLCNTR1 (PA_BCR + 0) /* Interrupt Control Register1 */
-#define IRQ_PCISLOT1 0 /* PCI Slot #1 IRQ */
-#define IRQ_PCISLOT2 1 /* PCI Slot #2 IRQ */
-#define IRQ_PCISLOT3 2 /* PCI Slot #3 IRQ */
-#define IRQ_PCISLOT4 3 /* PCI Slot #4 IRQ */
-#define IRQ_CFINST 5 /* CF Card Insert IRQ */
-#define IRQ_M66596 6 /* M66596 IRQ */
-#define IRQ_SDCARD 7 /* SD Card IRQ */
-#define IRQ_TUCHPANEL 8 /* Touch Panel IRQ */
-#define IRQ_SCI 9 /* SCI IRQ */
-#define IRQ_2SERIAL 10 /* Serial IRQ */
-#define IRQ_EXTENTION 11 /* EXTn IRQ */
-#define IRQ_ONETH 12 /* On board Ethernet IRQ */
-#define IRQ_PSW 13 /* Push Switch IRQ */
-#define IRQ_ZIGBEE 14 /* Ziggbee IO IRQ */
-
#define IVDR_CK_ON 8 /* iVDR Clock ON */
#elif defined(CONFIG_SH_R7785RP)
@@ -192,9 +177,7 @@
#define IRQ_AX88796 (HL_FPGA_IRQ_BASE + 0)
#define IRQ_CF (HL_FPGA_IRQ_BASE + 1)
-#ifndef IRQ_PSW
#define IRQ_PSW (HL_FPGA_IRQ_BASE + 2)
-#endif
#define IRQ_EXT0 (HL_FPGA_IRQ_BASE + 3)
#define IRQ_EXT1 (HL_FPGA_IRQ_BASE + 4)
#define IRQ_EXT2 (HL_FPGA_IRQ_BASE + 5)
@@ -208,8 +191,6 @@
#define IRQ_RTC (HL_FPGA_IRQ_BASE + 13)
#define IRQ_TH_ALERT (HL_FPGA_IRQ_BASE + 14)
-void make_r7780rp_irq(unsigned int irq);
-
unsigned char *highlander_init_irq_r7780mp(void);
unsigned char *highlander_init_irq_r7780rp(void);
unsigned char *highlander_init_irq_r7785rp(void);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.