mirror of
https://github.com/rd-stuffs/msm-4.14.git
synced 2025-02-20 11:45:48 +08:00
ARM: sa11x0: neponset: shuffle some code around
Move the IRQ handler along side the rest of the IRQ code, and rearrange the include files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
parent
6ad1b61400
commit
92e617d9e6
@ -2,24 +2,24 @@
|
|||||||
* linux/arch/arm/mach-sa1100/neponset.c
|
* linux/arch/arm/mach-sa1100/neponset.c
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
#include <linux/kernel.h>
|
|
||||||
#include <linux/init.h>
|
#include <linux/init.h>
|
||||||
#include <linux/tty.h>
|
|
||||||
#include <linux/ioport.h>
|
#include <linux/ioport.h>
|
||||||
#include <linux/serial_core.h>
|
#include <linux/kernel.h>
|
||||||
#include <linux/platform_device.h>
|
#include <linux/platform_device.h>
|
||||||
|
#include <linux/serial_core.h>
|
||||||
|
|
||||||
#include <mach/hardware.h>
|
|
||||||
#include <asm/mach-types.h>
|
#include <asm/mach-types.h>
|
||||||
#include <asm/irq.h>
|
#include <asm/irq.h>
|
||||||
#include <asm/mach/map.h>
|
#include <asm/mach/map.h>
|
||||||
#include <asm/mach/irq.h>
|
#include <asm/mach/irq.h>
|
||||||
#include <asm/mach/serial_sa1100.h>
|
#include <asm/mach/serial_sa1100.h>
|
||||||
#include <mach/assabet.h>
|
|
||||||
#include <mach/neponset.h>
|
|
||||||
#include <asm/hardware/sa1111.h>
|
#include <asm/hardware/sa1111.h>
|
||||||
#include <asm/sizes.h>
|
#include <asm/sizes.h>
|
||||||
|
|
||||||
|
#include <mach/hardware.h>
|
||||||
|
#include <mach/assabet.h>
|
||||||
|
#include <mach/neponset.h>
|
||||||
|
|
||||||
void neponset_ncr_frob(unsigned int mask, unsigned int val)
|
void neponset_ncr_frob(unsigned int mask, unsigned int val)
|
||||||
{
|
{
|
||||||
unsigned long flags;
|
unsigned long flags;
|
||||||
@ -29,66 +29,6 @@ void neponset_ncr_frob(unsigned int mask, unsigned int val)
|
|||||||
local_irq_restore(flags);
|
local_irq_restore(flags);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* Install handler for Neponset IRQ. Note that we have to loop here
|
|
||||||
* since the ETHERNET and USAR IRQs are level based, and we need to
|
|
||||||
* ensure that the IRQ signal is deasserted before returning. This
|
|
||||||
* is rather unfortunate.
|
|
||||||
*/
|
|
||||||
static void
|
|
||||||
neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
|
|
||||||
{
|
|
||||||
unsigned int irr;
|
|
||||||
|
|
||||||
while (1) {
|
|
||||||
/*
|
|
||||||
* Acknowledge the parent IRQ.
|
|
||||||
*/
|
|
||||||
desc->irq_data.chip->irq_ack(&desc->irq_data);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Read the interrupt reason register. Let's have all
|
|
||||||
* active IRQ bits high. Note: there is a typo in the
|
|
||||||
* Neponset user's guide for the SA1111 IRR level.
|
|
||||||
*/
|
|
||||||
irr = IRR ^ (IRR_ETHERNET | IRR_USAR);
|
|
||||||
|
|
||||||
if ((irr & (IRR_ETHERNET | IRR_USAR | IRR_SA1111)) == 0)
|
|
||||||
break;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Since there is no individual mask, we have to
|
|
||||||
* mask the parent IRQ. This is safe, since we'll
|
|
||||||
* recheck the register for any pending IRQs.
|
|
||||||
*/
|
|
||||||
if (irr & (IRR_ETHERNET | IRR_USAR)) {
|
|
||||||
desc->irq_data.chip->irq_mask(&desc->irq_data);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Ack the interrupt now to prevent re-entering
|
|
||||||
* this neponset handler. Again, this is safe
|
|
||||||
* since we'll check the IRR register prior to
|
|
||||||
* leaving.
|
|
||||||
*/
|
|
||||||
desc->irq_data.chip->irq_ack(&desc->irq_data);
|
|
||||||
|
|
||||||
if (irr & IRR_ETHERNET) {
|
|
||||||
generic_handle_irq(IRQ_NEPONSET_SMC9196);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (irr & IRR_USAR) {
|
|
||||||
generic_handle_irq(IRQ_NEPONSET_USAR);
|
|
||||||
}
|
|
||||||
|
|
||||||
desc->irq_data.chip->irq_unmask(&desc->irq_data);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (irr & IRR_SA1111) {
|
|
||||||
generic_handle_irq(IRQ_NEPONSET_SA1111);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void neponset_set_mctrl(struct uart_port *port, u_int mctrl)
|
static void neponset_set_mctrl(struct uart_port *port, u_int mctrl)
|
||||||
{
|
{
|
||||||
u_int mdm_ctl0 = MDM_CTL_0;
|
u_int mdm_ctl0 = MDM_CTL_0;
|
||||||
@ -147,6 +87,66 @@ static struct sa1100_port_fns neponset_port_fns __devinitdata = {
|
|||||||
.get_mctrl = neponset_get_mctrl,
|
.get_mctrl = neponset_get_mctrl,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Install handler for Neponset IRQ. Note that we have to loop here
|
||||||
|
* since the ETHERNET and USAR IRQs are level based, and we need to
|
||||||
|
* ensure that the IRQ signal is deasserted before returning. This
|
||||||
|
* is rather unfortunate.
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
|
||||||
|
{
|
||||||
|
unsigned int irr;
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
/*
|
||||||
|
* Acknowledge the parent IRQ.
|
||||||
|
*/
|
||||||
|
desc->irq_data.chip->irq_ack(&desc->irq_data);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Read the interrupt reason register. Let's have all
|
||||||
|
* active IRQ bits high. Note: there is a typo in the
|
||||||
|
* Neponset user's guide for the SA1111 IRR level.
|
||||||
|
*/
|
||||||
|
irr = IRR ^ (IRR_ETHERNET | IRR_USAR);
|
||||||
|
|
||||||
|
if ((irr & (IRR_ETHERNET | IRR_USAR | IRR_SA1111)) == 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Since there is no individual mask, we have to
|
||||||
|
* mask the parent IRQ. This is safe, since we'll
|
||||||
|
* recheck the register for any pending IRQs.
|
||||||
|
*/
|
||||||
|
if (irr & (IRR_ETHERNET | IRR_USAR)) {
|
||||||
|
desc->irq_data.chip->irq_mask(&desc->irq_data);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Ack the interrupt now to prevent re-entering
|
||||||
|
* this neponset handler. Again, this is safe
|
||||||
|
* since we'll check the IRR register prior to
|
||||||
|
* leaving.
|
||||||
|
*/
|
||||||
|
desc->irq_data.chip->irq_ack(&desc->irq_data);
|
||||||
|
|
||||||
|
if (irr & IRR_ETHERNET) {
|
||||||
|
generic_handle_irq(IRQ_NEPONSET_SMC9196);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (irr & IRR_USAR) {
|
||||||
|
generic_handle_irq(IRQ_NEPONSET_USAR);
|
||||||
|
}
|
||||||
|
|
||||||
|
desc->irq_data.chip->irq_unmask(&desc->irq_data);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (irr & IRR_SA1111) {
|
||||||
|
generic_handle_irq(IRQ_NEPONSET_SA1111);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Yes, we really do not have any kind of masking or unmasking
|
* Yes, we really do not have any kind of masking or unmasking
|
||||||
*/
|
*/
|
||||||
@ -161,6 +161,43 @@ static struct irq_chip nochip = {
|
|||||||
.irq_unmask = nochip_noop,
|
.irq_unmask = nochip_noop,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
static struct resource sa1111_resources[] = {
|
||||||
|
[0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
|
||||||
|
[1] = DEFINE_RES_IRQ(IRQ_NEPONSET_SA1111),
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct sa1111_platform_data sa1111_info = {
|
||||||
|
.irq_base = IRQ_BOARD_END,
|
||||||
|
};
|
||||||
|
|
||||||
|
static u64 sa1111_dmamask = 0xffffffffUL;
|
||||||
|
|
||||||
|
static struct platform_device sa1111_device = {
|
||||||
|
.name = "sa1111",
|
||||||
|
.id = 0,
|
||||||
|
.dev = {
|
||||||
|
.dma_mask = &sa1111_dmamask,
|
||||||
|
.coherent_dma_mask = 0xffffffff,
|
||||||
|
.platform_data = &sa1111_info,
|
||||||
|
},
|
||||||
|
.num_resources = ARRAY_SIZE(sa1111_resources),
|
||||||
|
.resource = sa1111_resources,
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct resource smc91x_resources[] = {
|
||||||
|
[0] = DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS, 0x02000000, "smc91x-regs"),
|
||||||
|
[1] = DEFINE_RES_IRQ(IRQ_NEPONSET_SMC9196),
|
||||||
|
[2] = DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS + 0x02000000,
|
||||||
|
0x02000000, "smc91x-attrib"),
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct platform_device smc91x_device = {
|
||||||
|
.name = "smc91x",
|
||||||
|
.id = 0,
|
||||||
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
||||||
|
.resource = smc91x_resources,
|
||||||
|
};
|
||||||
|
|
||||||
static int __devinit neponset_probe(struct platform_device *dev)
|
static int __devinit neponset_probe(struct platform_device *dev)
|
||||||
{
|
{
|
||||||
sa1100_register_uart_fns(&neponset_port_fns);
|
sa1100_register_uart_fns(&neponset_port_fns);
|
||||||
@ -249,43 +286,6 @@ static struct platform_device neponset_device = {
|
|||||||
.resource = neponset_resources,
|
.resource = neponset_resources,
|
||||||
};
|
};
|
||||||
|
|
||||||
static struct resource sa1111_resources[] = {
|
|
||||||
[0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
|
|
||||||
[1] = DEFINE_RES_IRQ(IRQ_NEPONSET_SA1111),
|
|
||||||
};
|
|
||||||
|
|
||||||
static struct sa1111_platform_data sa1111_info = {
|
|
||||||
.irq_base = IRQ_BOARD_END,
|
|
||||||
};
|
|
||||||
|
|
||||||
static u64 sa1111_dmamask = 0xffffffffUL;
|
|
||||||
|
|
||||||
static struct platform_device sa1111_device = {
|
|
||||||
.name = "sa1111",
|
|
||||||
.id = 0,
|
|
||||||
.dev = {
|
|
||||||
.dma_mask = &sa1111_dmamask,
|
|
||||||
.coherent_dma_mask = 0xffffffff,
|
|
||||||
.platform_data = &sa1111_info,
|
|
||||||
},
|
|
||||||
.num_resources = ARRAY_SIZE(sa1111_resources),
|
|
||||||
.resource = sa1111_resources,
|
|
||||||
};
|
|
||||||
|
|
||||||
static struct resource smc91x_resources[] = {
|
|
||||||
[0] = DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS, 0x02000000, "smc91x-regs"),
|
|
||||||
[1] = DEFINE_RES_IRQ(IRQ_NEPONSET_SMC9196),
|
|
||||||
[2] = DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS + 0x02000000,
|
|
||||||
0x02000000, "smc91x-attrib"),
|
|
||||||
};
|
|
||||||
|
|
||||||
static struct platform_device smc91x_device = {
|
|
||||||
.name = "smc91x",
|
|
||||||
.id = 0,
|
|
||||||
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
||||||
.resource = smc91x_resources,
|
|
||||||
};
|
|
||||||
|
|
||||||
static struct platform_device *devices[] __initdata = {
|
static struct platform_device *devices[] __initdata = {
|
||||||
&neponset_device,
|
&neponset_device,
|
||||||
&sa1111_device,
|
&sa1111_device,
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user