redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[ARM] sa1111: allow cascaded IRQs to be used by platforms 

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
hifive-unleashed-5.1
Eric Miao 2009-12-26 16:23:02 +08:00
parent 08fa159003
commit 19851c58e6
8 changed files with 116 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
arch/arm/common/sa1111.c
View File

@ -35,6 +35,58 @@
#include <asm/hardware/sa1111.h>
/* SA1111 IRQs */
#define IRQ_GPAIN0 (0)
#define IRQ_GPAIN1 (1)
#define IRQ_GPAIN2 (2)
#define IRQ_GPAIN3 (3)
#define IRQ_GPBIN0 (4)
#define IRQ_GPBIN1 (5)
#define IRQ_GPBIN2 (6)
#define IRQ_GPBIN3 (7)
#define IRQ_GPBIN4 (8)
#define IRQ_GPBIN5 (9)
#define IRQ_GPCIN0 (10)
#define IRQ_GPCIN1 (11)
#define IRQ_GPCIN2 (12)
#define IRQ_GPCIN3 (13)
#define IRQ_GPCIN4 (14)
#define IRQ_GPCIN5 (15)
#define IRQ_GPCIN6 (16)
#define IRQ_GPCIN7 (17)
#define IRQ_MSTXINT (18)
#define IRQ_MSRXINT (19)
#define IRQ_MSSTOPERRINT (20)
#define IRQ_TPTXINT (21)
#define IRQ_TPRXINT (22)
#define IRQ_TPSTOPERRINT (23)
#define SSPXMTINT (24)
#define SSPRCVINT (25)
#define SSPROR (26)
#define AUDXMTDMADONEA (32)
#define AUDRCVDMADONEA (33)
#define AUDXMTDMADONEB (34)
#define AUDRCVDMADONEB (35)
#define AUDTFSR (36)
#define AUDRFSR (37)
#define AUDTUR (38)
#define AUDROR (39)
#define AUDDTS (40)
#define AUDRDD (41)
#define AUDSTO (42)
#define IRQ_USBPWR (43)
#define IRQ_HCIM (44)
#define IRQ_HCIBUFFACC (45)
#define IRQ_HCIRMTWKP (46)
#define IRQ_NHCIMFCIR (47)
#define IRQ_USB_PORT_RESUME (48)
#define IRQ_S0_READY_NINT (49)
#define IRQ_S1_READY_NINT (50)
#define IRQ_S0_CD_VALID (51)
#define IRQ_S1_CD_VALID (52)
#define IRQ_S0_BVD1_STSCHG (53)
#define IRQ_S1_BVD1_STSCHG (54)
extern void __init sa1110_mb_enable(void);
/*
@ -49,6 +101,7 @@ struct sa1111 {
struct clk *clk;
unsigned long phys;
int irq;
int irq_base; /* base for cascaded on-chip IRQs */
spinlock_t lock;
void __iomem *base;
#ifdef CONFIG_PM
@ -152,36 +205,37 @@ static void
sa1111_irq_handler(unsigned int irq, struct irq_desc *desc)
{
unsigned int stat0, stat1, i;
void __iomem *base = get_irq_data(irq);
struct sa1111 *sachip = get_irq_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
stat0 = sa1111_readl(base + SA1111_INTSTATCLR0);
stat1 = sa1111_readl(base + SA1111_INTSTATCLR1);
stat0 = sa1111_readl(mapbase + SA1111_INTSTATCLR0);
stat1 = sa1111_readl(mapbase + SA1111_INTSTATCLR1);
sa1111_writel(stat0, base + SA1111_INTSTATCLR0);
sa1111_writel(stat0, mapbase + SA1111_INTSTATCLR0);
desc->chip->ack(irq);
sa1111_writel(stat1, base + SA1111_INTSTATCLR1);
sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1);
if (stat0 == 0 && stat1 == 0) {
do_bad_IRQ(irq, desc);
return;
}
for (i = IRQ_SA1111_START; stat0; i++, stat0 >>= 1)
for (i = 0; stat0; i++, stat0 >>= 1)
if (stat0 & 1)
handle_edge_irq(i, irq_desc + i);
generic_handle_irq(i + sachip->irq_base);
for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
for (i = 32; stat1; i++, stat1 >>= 1)
if (stat1 & 1)
handle_edge_irq(i, irq_desc + i);
generic_handle_irq(i + sachip->irq_base);
/* For level-based interrupts */
desc->chip->unmask(irq);
}
#define SA1111_IRQMASK_LO(x) (1 << (x - IRQ_SA1111_START))
#define SA1111_IRQMASK_HI(x) (1 << (x - IRQ_SA1111_START - 32))
#define SA1111_IRQMASK_LO(x) (1 << (x - sachip->irq_base))
#define SA1111_IRQMASK_HI(x) (1 << (x - sachip->irq_base - 32))
static void sa1111_ack_irq(unsigned int irq)
{
@ -189,7 +243,8 @@ static void sa1111_ack_irq(unsigned int irq)
static void sa1111_mask_lowirq(unsigned int irq)
{
void __iomem *mapbase = get_irq_chip_data(irq);
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie0;
ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@ -199,7 +254,8 @@ static void sa1111_mask_lowirq(unsigned int irq)
static void sa1111_unmask_lowirq(unsigned int irq)
{
void __iomem *mapbase = get_irq_chip_data(irq);
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie0;
ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@ -216,8 +272,9 @@ static void sa1111_unmask_lowirq(unsigned int irq)
*/
static int sa1111_retrigger_lowirq(unsigned int irq)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip0;
int i;
@ -237,8 +294,9 @@ static int sa1111_retrigger_lowirq(unsigned int irq)
static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip0;
if (flags == IRQ_TYPE_PROBE)
@ -260,8 +318,9 @@ static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
static int sa1111_wake_lowirq(unsigned int irq, unsigned int on)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_LO(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long we0;
we0 = sa1111_readl(mapbase + SA1111_WAKEEN0);
@ -286,7 +345,8 @@ static struct irq_chip sa1111_low_chip = {
static void sa1111_mask_highirq(unsigned int irq)
{
void __iomem *mapbase = get_irq_chip_data(irq);
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie1;
ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@ -296,7 +356,8 @@ static void sa1111_mask_highirq(unsigned int irq)
static void sa1111_unmask_highirq(unsigned int irq)
{
void __iomem *mapbase = get_irq_chip_data(irq);
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned long ie1;
ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@ -313,8 +374,9 @@ static void sa1111_unmask_highirq(unsigned int irq)
*/
static int sa1111_retrigger_highirq(unsigned int irq)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip1;
int i;
@ -334,8 +396,9 @@ static int sa1111_retrigger_highirq(unsigned int irq)
static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long ip1;
if (flags == IRQ_TYPE_PROBE)
@ -357,8 +420,9 @@ static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
static int sa1111_wake_highirq(unsigned int irq, unsigned int on)
{
struct sa1111 *sachip = get_irq_chip_data(irq);
void __iomem *mapbase = sachip->base + SA1111_INTC;
unsigned int mask = SA1111_IRQMASK_HI(irq);
void __iomem *mapbase = get_irq_chip_data(irq);
unsigned long we1;
we1 = sa1111_readl(mapbase + SA1111_WAKEEN1);
@ -412,14 +476,14 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
for (irq = IRQ_GPAIN0; irq <= SSPROR; irq++) {
set_irq_chip(irq, &sa1111_low_chip);
set_irq_chip_data(irq, irqbase);
set_irq_chip_data(irq, sachip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = AUDXMTDMADONEA; irq <= IRQ_S1_BVD1_STSCHG; irq++) {
set_irq_chip(irq, &sa1111_high_chip);
set_irq_chip_data(irq, irqbase);
set_irq_chip_data(irq, sachip);
set_irq_handler(irq, handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
@ -428,7 +492,7 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
* Register SA1111 interrupt
*/
set_irq_type(sachip->irq, IRQ_TYPE_EDGE_RISING);
set_irq_data(sachip->irq, irqbase);
set_irq_data(sachip->irq, sachip);
set_irq_chained_handler(sachip->irq, sa1111_irq_handler);
}

4
arch/arm/include/asm/hardware/sa1111.h
View File

@ -578,4 +578,8 @@ void sa1111_set_io_dir(struct sa1111_dev *sadev, unsigned int bits, unsigned int
void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
struct sa1111_platform_data {
int irq_base; /* base for cascaded on-chip IRQs */
};
#endif /* _ASM_ARCH_SA1111 */

54
arch/arm/mach-pxa/include/mach/irqs.h
View File

@ -135,58 +135,6 @@
#define IRQ_BOARD_END (IRQ_BOARD_START + 16)
#endif
#define IRQ_SA1111_START (IRQ_BOARD_END)
#define IRQ_GPAIN0 (IRQ_BOARD_END + 0)
#define IRQ_GPAIN1 (IRQ_BOARD_END + 1)
#define IRQ_GPAIN2 (IRQ_BOARD_END + 2)
#define IRQ_GPAIN3 (IRQ_BOARD_END + 3)
#define IRQ_GPBIN0 (IRQ_BOARD_END + 4)
#define IRQ_GPBIN1 (IRQ_BOARD_END + 5)
#define IRQ_GPBIN2 (IRQ_BOARD_END + 6)
#define IRQ_GPBIN3 (IRQ_BOARD_END + 7)
#define IRQ_GPBIN4 (IRQ_BOARD_END + 8)
#define IRQ_GPBIN5 (IRQ_BOARD_END + 9)
#define IRQ_GPCIN0 (IRQ_BOARD_END + 10)
#define IRQ_GPCIN1 (IRQ_BOARD_END + 11)
#define IRQ_GPCIN2 (IRQ_BOARD_END + 12)
#define IRQ_GPCIN3 (IRQ_BOARD_END + 13)
#define IRQ_GPCIN4 (IRQ_BOARD_END + 14)
#define IRQ_GPCIN5 (IRQ_BOARD_END + 15)
#define IRQ_GPCIN6 (IRQ_BOARD_END + 16)
#define IRQ_GPCIN7 (IRQ_BOARD_END + 17)
#define IRQ_MSTXINT (IRQ_BOARD_END + 18)
#define IRQ_MSRXINT (IRQ_BOARD_END + 19)
#define IRQ_MSSTOPERRINT (IRQ_BOARD_END + 20)
#define IRQ_TPTXINT (IRQ_BOARD_END + 21)
#define IRQ_TPRXINT (IRQ_BOARD_END + 22)
#define IRQ_TPSTOPERRINT (IRQ_BOARD_END + 23)
#define SSPXMTINT (IRQ_BOARD_END + 24)
#define SSPRCVINT (IRQ_BOARD_END + 25)
#define SSPROR (IRQ_BOARD_END + 26)
#define AUDXMTDMADONEA (IRQ_BOARD_END + 32)
#define AUDRCVDMADONEA (IRQ_BOARD_END + 33)
#define AUDXMTDMADONEB (IRQ_BOARD_END + 34)
#define AUDRCVDMADONEB (IRQ_BOARD_END + 35)
#define AUDTFSR (IRQ_BOARD_END + 36)
#define AUDRFSR (IRQ_BOARD_END + 37)
#define AUDTUR (IRQ_BOARD_END + 38)
#define AUDROR (IRQ_BOARD_END + 39)
#define AUDDTS (IRQ_BOARD_END + 40)
#define AUDRDD (IRQ_BOARD_END + 41)
#define AUDSTO (IRQ_BOARD_END + 42)
#define IRQ_USBPWR (IRQ_BOARD_END + 43)
#define IRQ_HCIM (IRQ_BOARD_END + 44)
#define IRQ_HCIBUFFACC (IRQ_BOARD_END + 45)
#define IRQ_HCIRMTWKP (IRQ_BOARD_END + 46)
#define IRQ_NHCIMFCIR (IRQ_BOARD_END + 47)
#define IRQ_USB_PORT_RESUME (IRQ_BOARD_END + 48)
#define IRQ_S0_READY_NINT (IRQ_BOARD_END + 49)
#define IRQ_S1_READY_NINT (IRQ_BOARD_END + 50)
#define IRQ_S0_CD_VALID (IRQ_BOARD_END + 51)
#define IRQ_S1_CD_VALID (IRQ_BOARD_END + 52)
#define IRQ_S0_BVD1_STSCHG (IRQ_BOARD_END + 53)
#define IRQ_S1_BVD1_STSCHG (IRQ_BOARD_END + 54)
/*
* Figure out the MAX IRQ number.
*
@ -195,7 +143,7 @@
* Otherwise, we have the standard IRQs only.
*/
#ifdef CONFIG_SA1111
#define NR_IRQS (IRQ_S1_BVD1_STSCHG + 1)
#define NR_IRQS (IRQ_BOARD_END + 55)
#elif defined(CONFIG_PXA_HAVE_BOARD_IRQS)
#define NR_IRQS (IRQ_BOARD_END)
#else

7
arch/arm/mach-pxa/lubbock.c
View File

@ -228,11 +228,18 @@ static struct resource sa1111_resources[] = {
},
};
static struct sa1111_platform_data sa1111_info = {
.irq_base = IRQ_BOARD_END,
};
static struct platform_device sa1111_device = {
.name = "sa1111",
.id = -1,
.num_resources = ARRAY_SIZE(sa1111_resources),
.resource = sa1111_resources,
.dev = {
.platform_data = &sa1111_info,
},
};
/* ADS7846 is connected through SSP ... and if your board has J5 populated,

5
arch/arm/mach-sa1100/badge4.c
View File

@ -51,6 +51,10 @@ static struct resource sa1111_resources[] = {
},
};
static struct sa1111_platform_data sa1111_info = {
.irq_base = IRQ_BOARD_END,
};
static u64 sa1111_dmamask = 0xffffffffUL;
static struct platform_device sa1111_device = {
@ -59,6 +63,7 @@ static struct platform_device sa1111_device = {
.dev = {
.dma_mask = &sa1111_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &sa1111_info,
},
.num_resources = ARRAY_SIZE(sa1111_resources),
.resource = sa1111_resources,

54
arch/arm/mach-sa1100/include/mach/irqs.h
View File

@ -68,58 +68,6 @@
#define IRQ_BOARD_START 49
#define IRQ_BOARD_END 65
#define IRQ_SA1111_START (IRQ_BOARD_END)
#define IRQ_GPAIN0 (IRQ_BOARD_END + 0)
#define IRQ_GPAIN1 (IRQ_BOARD_END + 1)
#define IRQ_GPAIN2 (IRQ_BOARD_END + 2)
#define IRQ_GPAIN3 (IRQ_BOARD_END + 3)
#define IRQ_GPBIN0 (IRQ_BOARD_END + 4)
#define IRQ_GPBIN1 (IRQ_BOARD_END + 5)
#define IRQ_GPBIN2 (IRQ_BOARD_END + 6)
#define IRQ_GPBIN3 (IRQ_BOARD_END + 7)
#define IRQ_GPBIN4 (IRQ_BOARD_END + 8)
#define IRQ_GPBIN5 (IRQ_BOARD_END + 9)
#define IRQ_GPCIN0 (IRQ_BOARD_END + 10)
#define IRQ_GPCIN1 (IRQ_BOARD_END + 11)
#define IRQ_GPCIN2 (IRQ_BOARD_END + 12)
#define IRQ_GPCIN3 (IRQ_BOARD_END + 13)
#define IRQ_GPCIN4 (IRQ_BOARD_END + 14)
#define IRQ_GPCIN5 (IRQ_BOARD_END + 15)
#define IRQ_GPCIN6 (IRQ_BOARD_END + 16)
#define IRQ_GPCIN7 (IRQ_BOARD_END + 17)
#define IRQ_MSTXINT (IRQ_BOARD_END + 18)
#define IRQ_MSRXINT (IRQ_BOARD_END + 19)
#define IRQ_MSSTOPERRINT (IRQ_BOARD_END + 20)
#define IRQ_TPTXINT (IRQ_BOARD_END + 21)
#define IRQ_TPRXINT (IRQ_BOARD_END + 22)
#define IRQ_TPSTOPERRINT (IRQ_BOARD_END + 23)
#define SSPXMTINT (IRQ_BOARD_END + 24)
#define SSPRCVINT (IRQ_BOARD_END + 25)
#define SSPROR (IRQ_BOARD_END + 26)
#define AUDXMTDMADONEA (IRQ_BOARD_END + 32)
#define AUDRCVDMADONEA (IRQ_BOARD_END + 33)
#define AUDXMTDMADONEB (IRQ_BOARD_END + 34)
#define AUDRCVDMADONEB (IRQ_BOARD_END + 35)
#define AUDTFSR (IRQ_BOARD_END + 36)
#define AUDRFSR (IRQ_BOARD_END + 37)
#define AUDTUR (IRQ_BOARD_END + 38)
#define AUDROR (IRQ_BOARD_END + 39)
#define AUDDTS (IRQ_BOARD_END + 40)
#define AUDRDD (IRQ_BOARD_END + 41)
#define AUDSTO (IRQ_BOARD_END + 42)
#define IRQ_USBPWR (IRQ_BOARD_END + 43)
#define IRQ_HCIM (IRQ_BOARD_END + 44)
#define IRQ_HCIBUFFACC (IRQ_BOARD_END + 45)
#define IRQ_HCIRMTWKP (IRQ_BOARD_END + 46)
#define IRQ_NHCIMFCIR (IRQ_BOARD_END + 47)
#define IRQ_USB_PORT_RESUME (IRQ_BOARD_END + 48)
#define IRQ_S0_READY_NINT (IRQ_BOARD_END + 49)
#define IRQ_S1_READY_NINT (IRQ_BOARD_END + 50)
#define IRQ_S0_CD_VALID (IRQ_BOARD_END + 51)
#define IRQ_S1_CD_VALID (IRQ_BOARD_END + 52)
#define IRQ_S0_BVD1_STSCHG (IRQ_BOARD_END + 53)
#define IRQ_S1_BVD1_STSCHG (IRQ_BOARD_END + 54)
/*
* Figure out the MAX IRQ number.
*
@ -128,7 +76,7 @@
* Otherwise, we have the standard IRQs only.
*/
#ifdef CONFIG_SA1111
#define NR_IRQS (IRQ_S1_BVD1_STSCHG + 1)
#define NR_IRQS (IRQ_BOARD_END + 55)
#elif defined(CONFIG_SHARPSL_LOCOMO)
#define NR_IRQS (IRQ_BOARD_START + 4)
#else

5
arch/arm/mach-sa1100/jornada720.c
View File

@ -208,6 +208,10 @@ static struct resource sa1111_resources[] = {
},
};
static struct sa1111_platform_data sa1111_info = {
.irq_base = IRQ_BOARD_END,
};
static u64 sa1111_dmamask = 0xffffffffUL;
static struct platform_device sa1111_device = {
@ -216,6 +220,7 @@ static struct platform_device sa1111_device = {
.dev = {
.dma_mask = &sa1111_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &sa1111_info,
},
.num_resources = ARRAY_SIZE(sa1111_resources),
.resource = sa1111_resources,

5
arch/arm/mach-sa1100/neponset.c
View File

@ -241,6 +241,10 @@ static struct resource sa1111_resources[] = {
},
};
static struct sa1111_platform_data sa1111_info = {
.irq_base = IRQ_BOARD_END,
};
static u64 sa1111_dmamask = 0xffffffffUL;
static struct platform_device sa1111_device = {
@ -249,6 +253,7 @@ static struct platform_device sa1111_device = {
.dev = {
.dma_mask = &sa1111_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = &sa1111_info,
},
.num_resources = ARRAY_SIZE(sa1111_resources),
.resource = sa1111_resources,