aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp23xx
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp23xx')
-rw-r--r--arch/arm/mach-ixp23xx/core.c28
-rw-r--r--arch/arm/mach-ixp23xx/espresso.c23
-rw-r--r--arch/arm/mach-ixp23xx/ixdp2351.c33
-rw-r--r--arch/arm/mach-ixp23xx/pci.c1
-rw-r--r--arch/arm/mach-ixp23xx/roadrunner.c23
5 files changed, 88 insertions, 20 deletions
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 092ee12ced42..566a07821c77 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -14,7 +14,6 @@
* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
@@ -178,8 +177,12 @@ static int ixp23xx_irq_set_type(unsigned int irq, unsigned int type)
static void ixp23xx_irq_mask(unsigned int irq)
{
- volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+ volatile unsigned long *intr_reg;
+ if (irq >= 56)
+ irq += 8;
+
+ intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
*intr_reg &= ~(1 << (irq % 32));
}
@@ -199,17 +202,25 @@ static void ixp23xx_irq_ack(unsigned int irq)
*/
static void ixp23xx_irq_level_unmask(unsigned int irq)
{
- volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+ volatile unsigned long *intr_reg;
ixp23xx_irq_ack(irq);
+ if (irq >= 56)
+ irq += 8;
+
+ intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
*intr_reg |= (1 << (irq % 32));
}
static void ixp23xx_irq_edge_unmask(unsigned int irq)
{
- volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+ volatile unsigned long *intr_reg;
+
+ if (irq >= 56)
+ irq += 8;
+ intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
*intr_reg |= (1 << (irq % 32));
}
@@ -260,7 +271,7 @@ static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *
}
int_desc = irq_desc + irqno;
- int_desc->handle(irqno, int_desc, regs);
+ desc_handle_irq(irqno, int_desc, regs);
desc->chip->unmask(irq);
}
@@ -322,7 +333,7 @@ void __init ixp23xx_init_irq(void)
/*************************************************************************
* Timer-tick functions for IXP23xx
*************************************************************************/
-#define CLOCK_TICKS_PER_USEC CLOCK_TICK_RATE / (USEC_PER_SEC)
+#define CLOCK_TICKS_PER_USEC (CLOCK_TICK_RATE / USEC_PER_SEC)
static unsigned long next_jiffy_time;
@@ -341,7 +352,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
/* Clear Pending Interrupt by writing '1' to it */
*IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
- while ((*IXP23XX_TIMER_CONT - next_jiffy_time) > LATCH) {
+ while ((signed long)(*IXP23XX_TIMER_CONT - next_jiffy_time) >= LATCH) {
timer_tick(regs);
next_jiffy_time += LATCH;
}
@@ -352,7 +363,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static struct irqaction ixp23xx_timer_irq = {
.name = "IXP23xx Timer Tick",
.handler = ixp23xx_timer_interrupt,
- .flags = SA_INTERRUPT | SA_TIMER,
+ .flags = IRQF_DISABLED | IRQF_TIMER,
};
void __init ixp23xx_init_timer(void)
@@ -427,5 +438,6 @@ static struct platform_device *ixp23xx_devices[] __initdata = {
void __init ixp23xx_sys_init(void)
{
+ *IXP23XX_EXP_UNIT_FUSE |= 0xf;
platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
}
diff --git a/arch/arm/mach-ixp23xx/espresso.c b/arch/arm/mach-ixp23xx/espresso.c
index bf688c128630..7a85ced56718 100644
--- a/arch/arm/mach-ixp23xx/espresso.c
+++ b/arch/arm/mach-ixp23xx/espresso.c
@@ -10,7 +10,6 @@
* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
@@ -53,9 +52,29 @@ static int __init espresso_pci_init(void)
};
subsys_initcall(espresso_pci_init);
+static struct physmap_flash_data espresso_flash_data = {
+ .width = 2,
+};
+
+static struct resource espresso_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x91ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device espresso_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &espresso_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &espresso_flash_resource,
+};
+
static void __init espresso_init(void)
{
- physmap_configure(0x90000000, 0x02000000, 2, NULL);
+ platform_device_register(&espresso_flash);
/*
* Mark flash as writeable.
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index 00146c35daac..37a32e6bcca2 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -14,12 +14,12 @@
* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/bitops.h>
@@ -37,7 +37,6 @@
#include <asm/memory.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
-#include <asm/irq.h>
#include <asm/system.h>
#include <asm/tlbflush.h>
#include <asm/pgtable.h>
@@ -75,7 +74,7 @@ static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct
int cpld_irq =
IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
cpld_desc = irq_desc + cpld_irq;
- cpld_desc->handle(cpld_irq, cpld_desc, regs);
+ desc_handle_irq(cpld_irq, cpld_desc, regs);
}
}
@@ -112,7 +111,7 @@ static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct
int cpld_irq =
IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
cpld_desc = irq_desc + cpld_irq;
- cpld_desc->handle(cpld_irq, cpld_desc, regs);
+ desc_handle_irq(cpld_irq, cpld_desc, regs);
}
}
@@ -159,8 +158,8 @@ void ixdp2351_init_irq(void)
}
}
- set_irq_chained_handler(IRQ_IXP23XX_INTA, &ixdp2351_inta_handler);
- set_irq_chained_handler(IRQ_IXP23XX_INTB, &ixdp2351_intb_handler);
+ set_irq_chained_handler(IRQ_IXP23XX_INTA, ixdp2351_inta_handler);
+ set_irq_chained_handler(IRQ_IXP23XX_INTB, ixdp2351_intb_handler);
}
/*
@@ -298,9 +297,29 @@ static void __init ixdp2351_map_io(void)
iotable_init(ixdp2351_io_desc, ARRAY_SIZE(ixdp2351_io_desc));
}
+static struct physmap_flash_data ixdp2351_flash_data = {
+ .width = 1,
+};
+
+static struct resource ixdp2351_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x93ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ixdp2351_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &ixdp2351_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ixdp2351_flash_resource,
+};
+
static void __init ixdp2351_init(void)
{
- physmap_configure(0x90000000, 0x04000000, 1, NULL);
+ platform_device_register(&ixdp2351_flash);
/*
* Mark flash as writeable
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c
index ac72f94c5b4d..3b34fa35e36b 100644
--- a/arch/arm/mach-ixp23xx/pci.c
+++ b/arch/arm/mach-ixp23xx/pci.c
@@ -16,7 +16,6 @@
* option) any later version.
*/
-#include <linux/config.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/pci.h>
diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c
index 43c14e740794..d06e21b70de5 100644
--- a/arch/arm/mach-ixp23xx/roadrunner.c
+++ b/arch/arm/mach-ixp23xx/roadrunner.c
@@ -14,7 +14,6 @@
* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
@@ -137,9 +136,29 @@ static int __init roadrunner_pci_init(void)
subsys_initcall(roadrunner_pci_init);
+static struct physmap_flash_data roadrunner_flash_data = {
+ .width = 2,
+};
+
+static struct resource roadrunner_flash_resource = {
+ .start = 0x90000000,
+ .end = 0x93ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device roadrunner_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &roadrunner_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &roadrunner_flash_resource,
+};
+
static void __init roadrunner_init(void)
{
- physmap_configure(0x90000000, 0x04000000, 2, NULL);
+ platform_device_register(&roadrunner_flash);
/*
* Mark flash as writeable
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.