aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp2000
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp2000')
-rw-r--r--arch/arm/mach-ixp2000/core.c33
-rw-r--r--arch/arm/mach-ixp2000/enp2611.c8
-rw-r--r--arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h8
-rw-r--r--arch/arm/mach-ixp2000/ixdp2400.c2
-rw-r--r--arch/arm/mach-ixp2000/ixdp2800.c2
-rw-r--r--arch/arm/mach-ixp2000/ixdp2x00.c10
-rw-r--r--arch/arm/mach-ixp2000/ixdp2x01.c6
-rw-r--r--arch/arm/mach-ixp2000/pci.c2
8 files changed, 26 insertions, 45 deletions
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index a6a4f93085fd..babb22597163 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -84,64 +84,57 @@ static struct map_desc ixp2000_io_desc[] __initdata = {
.virtual = IXP2000_CAP_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_CAP_PHYS_BASE),
.length = IXP2000_CAP_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_INTCTL_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_INTCTL_PHYS_BASE),
.length = IXP2000_INTCTL_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_PCI_CREG_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_PCI_CREG_PHYS_BASE),
.length = IXP2000_PCI_CREG_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_PCI_CSR_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_PCI_CSR_PHYS_BASE),
.length = IXP2000_PCI_CSR_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_MSF_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_MSF_PHYS_BASE),
.length = IXP2000_MSF_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_SCRATCH_RING_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_SCRATCH_RING_PHYS_BASE),
.length = IXP2000_SCRATCH_RING_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_SRAM0_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_SRAM0_PHYS_BASE),
.length = IXP2000_SRAM0_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_PCI_IO_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_PCI_IO_PHYS_BASE),
.length = IXP2000_PCI_IO_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_PCI_CFG0_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_PCI_CFG0_PHYS_BASE),
.length = IXP2000_PCI_CFG0_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = IXP2000_PCI_CFG1_VIRT_BASE,
.pfn = __phys_to_pfn(IXP2000_PCI_CFG1_PHYS_BASE),
.length = IXP2000_PCI_CFG1_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}
};
void __init ixp2000_map_io(void)
{
- /*
- * On IXP2400 CPUs we need to use MT_DEVICE_IXP2000 so that
- * XCB=101 (to avoid triggering erratum #66), and given that
- * this mode speeds up I/O accesses and we have write buffer
- * flushes in the right places anyway, it doesn't hurt to use
- * XCB=101 for all IXP2000s.
- */
iotable_init(ixp2000_io_desc, ARRAY_SIZE(ixp2000_io_desc));
/* Set slowport to 8-bit mode. */
@@ -311,8 +304,7 @@ static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc)
for (i = 0; i <= 7; i++) {
if (status & (1<<i)) {
- desc = irq_desc + i + IRQ_IXP2000_GPIO0;
- desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
+ generic_handle_irq(i + IRQ_IXP2000_GPIO0);
}
}
}
@@ -404,8 +396,7 @@ static void ixp2000_err_irq_handler(unsigned int irq, struct irq_desc *desc)
for(i = 31; i >= 0; i--) {
if(status & (1 << i)) {
- desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
- desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
+ generic_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i);
}
}
}
diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c
index c62ed655c1a7..c84dfac13882 100644
--- a/arch/arm/mach-ixp2000/enp2611.c
+++ b/arch/arm/mach-ixp2000/enp2611.c
@@ -32,8 +32,8 @@
#include <linux/tty.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>
@@ -70,17 +70,17 @@ static struct map_desc enp2611_io_desc[] __initdata = {
.virtual = ENP2611_CALEB_VIRT_BASE,
.pfn = __phys_to_pfn(ENP2611_CALEB_PHYS_BASE),
.length = ENP2611_CALEB_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = ENP2611_PM3386_0_VIRT_BASE,
.pfn = __phys_to_pfn(ENP2611_PM3386_0_PHYS_BASE),
.length = ENP2611_PM3386_0_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}, {
.virtual = ENP2611_PM3386_1_VIRT_BASE,
.pfn = __phys_to_pfn(ENP2611_PM3386_1_PHYS_BASE),
.length = ENP2611_PM3386_1_SIZE,
- .type = MT_DEVICE_IXP2000,
+ .type = MT_DEVICE,
}
};
diff --git a/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
index 19d80379a3e3..822f63f2f4a2 100644
--- a/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
+++ b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
@@ -41,13 +41,7 @@
* Most of the registers are clumped in 4K regions spread throughout
* the 0xc0000000 -> 0xc0100000 address range, but we just map in
* the whole range using a single 1 MB section instead of small
- * 4K pages. This has two advantages for us:
- *
- * 1) We use only one TLB entry for large number of on-chip I/O devices.
- *
- * 2) We can easily set the Section attributes to XCB=101 on the IXP2400
- * as required per erratum #66. We accomplish this by using a
- * new MT_IXP2000_DEVICE memory type with the bits set as required.
+ * 4K pages.
*
* CAP stands for CSR Access Proxy.
*
diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c
index c673b9ef9f69..4467c4224d73 100644
--- a/arch/arm/mach-ixp2000/ixdp2400.c
+++ b/arch/arm/mach-ixp2000/ixdp2400.c
@@ -25,8 +25,8 @@
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>
diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c
index 6715b50829a6..94f68ba9ea50 100644
--- a/arch/arm/mach-ixp2000/ixdp2800.c
+++ b/arch/arm/mach-ixp2000/ixdp2800.c
@@ -25,8 +25,8 @@
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>
diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index 5a781fd9757a..30451300751b 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -25,8 +25,8 @@
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>
@@ -129,10 +129,8 @@ static void ixdp2x00_irq_handler(unsigned int irq, struct irq_desc *desc)
for(i = 0; i < board_irq_count; i++) {
if(ex_interrupt & (1 << i)) {
- struct irq_desc *cpld_desc;
int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
- cpld_desc = irq_desc + cpld_irq;
- desc_handle_irq(cpld_irq, cpld_desc);
+ generic_handle_irq(cpld_irq);
}
}
@@ -145,7 +143,7 @@ static struct irq_chip ixdp2x00_cpld_irq_chip = {
.unmask = ixdp2x00_irq_unmask
};
-void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_irqs)
+void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_of_irqs)
{
unsigned int irq;
@@ -156,7 +154,7 @@ void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigne
board_irq_stat = stat_reg;
board_irq_mask = mask_reg;
- board_irq_count = nr_irqs;
+ board_irq_count = nr_of_irqs;
*board_irq_mask = 0xffffffff;
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index 78a2341dee2c..4a12327a09a3 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -30,8 +30,8 @@
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/page.h>
@@ -79,10 +79,8 @@ static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc)
for (i = 0; i < IXP2000_BOARD_IRQS; i++) {
if (ex_interrupt & (1 << i)) {
- struct irq_desc *cpld_desc;
int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
- cpld_desc = irq_desc + cpld_irq;
- desc_handle_irq(cpld_irq, cpld_desc);
+ generic_handle_irq(cpld_irq);
}
}
diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c
index 03d916fbe531..60e9fd08ab80 100644
--- a/arch/arm/mach-ixp2000/pci.c
+++ b/arch/arm/mach-ixp2000/pci.c
@@ -24,8 +24,8 @@
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <mach/hardware.h>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.