summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mv78xx0
diff options
context:
space:
mode:
authorRusty Russell <rusty@rustcorp.com.au>2008-12-31 23:05:57 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-31 23:05:57 +1030
commit2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch)
tree726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /arch/arm/mach-mv78xx0
parente12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: arch/x86/kernel/io_apic.c
Diffstat (limited to 'arch/arm/mach-mv78xx0')
-rw-r--r--arch/arm/mach-mv78xx0/common.c1
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/dma.h1
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/gpio.h40
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/irqs.h4
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/memory.h4
-rw-r--r--arch/arm/mach-mv78xx0/include/mach/mv78xx0.h3
-rw-r--r--arch/arm/mach-mv78xx0/irq.c29
7 files changed, 71 insertions, 11 deletions
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 238a2f8c2d5..b0e4e0d8f50 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -167,6 +167,7 @@ void __init mv78xx0_map_io(void)
****************************************************************************/
static struct orion_ehci_data mv78xx0_ehci_data = {
.dram = &mv78xx0_mbus_dram_info,
+ .phy_version = EHCI_PHY_NA,
};
static u64 ehci_dmamask = 0xffffffffUL;
diff --git a/arch/arm/mach-mv78xx0/include/mach/dma.h b/arch/arm/mach-mv78xx0/include/mach/dma.h
deleted file mode 100644
index 40a8c178f10..00000000000
--- a/arch/arm/mach-mv78xx0/include/mach/dma.h
+++ /dev/null
@@ -1 +0,0 @@
-/* empty */
diff --git a/arch/arm/mach-mv78xx0/include/mach/gpio.h b/arch/arm/mach-mv78xx0/include/mach/gpio.h
new file mode 100644
index 00000000000..d9d1535ea10
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/include/mach/gpio.h
@@ -0,0 +1,40 @@
+/*
+ * arch/asm-arm/mach-mv78xx0/include/mach/gpio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#include <mach/irqs.h>
+#include <plat/gpio.h>
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+extern int mv78xx0_core_index(void);
+
+#define GPIO_MAX 32
+#define GPIO_OUT(pin) (DEV_BUS_VIRT_BASE + 0x0100)
+#define GPIO_IO_CONF(pin) (DEV_BUS_VIRT_BASE + 0x0104)
+#define GPIO_BLINK_EN(pin) (DEV_BUS_VIRT_BASE + 0x0108)
+#define GPIO_IN_POL(pin) (DEV_BUS_VIRT_BASE + 0x010c)
+#define GPIO_DATA_IN(pin) (DEV_BUS_VIRT_BASE + 0x0110)
+#define GPIO_EDGE_CAUSE(pin) (DEV_BUS_VIRT_BASE + 0x0114)
+#define GPIO_MASK_OFF (mv78xx0_core_index() ? 0x18 : 0)
+#define GPIO_EDGE_MASK(pin) (DEV_BUS_VIRT_BASE + 0x0118 + GPIO_MASK_OFF)
+#define GPIO_LEVEL_MASK(pin) (DEV_BUS_VIRT_BASE + 0x011c + GPIO_MASK_OFF)
+
+static inline int gpio_to_irq(int pin)
+{
+ return pin + IRQ_MV78XX0_GPIO_START;
+}
+
+static inline int irq_to_gpio(int irq)
+{
+ return irq - IRQ_MV78XX0_GPIO_START;
+}
+
+
+#endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/irqs.h b/arch/arm/mach-mv78xx0/include/mach/irqs.h
index bebc330281e..fa1d422196c 100644
--- a/arch/arm/mach-mv78xx0/include/mach/irqs.h
+++ b/arch/arm/mach-mv78xx0/include/mach/irqs.h
@@ -11,8 +11,6 @@
#ifndef __ASM_ARCH_IRQS_H
#define __ASM_ARCH_IRQS_H
-#include "mv78xx0.h" /* need GPIO_MAX */
-
/*
* MV78xx0 Low Interrupt Controller
*/
@@ -88,7 +86,7 @@
* MV78XX0 General Purpose Pins
*/
#define IRQ_MV78XX0_GPIO_START 96
-#define NR_GPIO_IRQS GPIO_MAX
+#define NR_GPIO_IRQS 32
#define NR_IRQS (IRQ_MV78XX0_GPIO_START + NR_GPIO_IRQS)
diff --git a/arch/arm/mach-mv78xx0/include/mach/memory.h b/arch/arm/mach-mv78xx0/include/mach/memory.h
index 9e47a140ff7..e663042d307 100644
--- a/arch/arm/mach-mv78xx0/include/mach/memory.h
+++ b/arch/arm/mach-mv78xx0/include/mach/memory.h
@@ -7,8 +7,4 @@
#define PHYS_OFFSET UL(0x00000000)
-#define __virt_to_bus(x) __virt_to_phys(x)
-#define __bus_to_virt(x) __phys_to_virt(x)
-
-
#endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
index ee9c5593ee9..e930ea5330a 100644
--- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
+++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
@@ -122,7 +122,4 @@
#define SATA_PHYS_BASE (MV78XX0_REGS_PHYS_BASE | 0xa0000)
-#define GPIO_MAX 32
-
-
#endif
diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
index 503e5d195ae..e273418797b 100644
--- a/arch/arm/mach-mv78xx0/irq.c
+++ b/arch/arm/mach-mv78xx0/irq.c
@@ -11,13 +11,42 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
+#include <linux/irq.h>
+#include <asm/gpio.h>
#include <mach/mv78xx0.h>
#include <plat/irq.h>
#include "common.h"
+static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+ BUG_ON(irq < IRQ_MV78XX0_GPIO_0_7 || irq > IRQ_MV78XX0_GPIO_24_31);
+
+ orion_gpio_irq_handler((irq - IRQ_MV78XX0_GPIO_0_7) << 3);
+}
+
void __init mv78xx0_init_irq(void)
{
+ int i;
+
orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
orion_irq_init(64, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF));
+
+ /*
+ * Mask and clear GPIO IRQ interrupts.
+ */
+ writel(0, GPIO_LEVEL_MASK(0));
+ writel(0, GPIO_EDGE_MASK(0));
+ writel(0, GPIO_EDGE_CAUSE(0));
+
+ for (i = IRQ_MV78XX0_GPIO_START; i < NR_IRQS; i++) {
+ set_irq_chip(i, &orion_gpio_irq_level_chip);
+ set_irq_handler(i, handle_level_irq);
+ irq_desc[i].status |= IRQ_LEVEL;
+ set_irq_flags(i, IRQF_VALID);
+ }
+ set_irq_chained_handler(IRQ_MV78XX0_GPIO_0_7, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_MV78XX0_GPIO_8_15, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_MV78XX0_GPIO_16_23, gpio_irq_handler);
+ set_irq_chained_handler(IRQ_MV78XX0_GPIO_24_31, gpio_irq_handler);
}