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Tiva: Add GPIO interrupt support for the TMS4C129X

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This commit is contained in:
Gregory Nutt 2014-12-18 11:52:06 -06:00
parent a719e75851
commit 83c56151ab
4 changed files with 261 additions and 14 deletions
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88
arch/arm/include/tiva/irq.h
View File

@ -47,6 +47,44 @@
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* The TM4C123x and TM4C129x support interrupts only on port P and Q */
#if defined(CONFIG_ARCH_CHIP_TM4C)
# undef CONFIG_TIVA_DISABLE_GPIOA_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOB_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOC_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOD_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOE_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOF_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOG_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOH_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOJ_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOK_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOL_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOM_IRQS
# undef CONFIG_TIVA_DISABLE_GPION_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOR_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOS_IRQS
# undef CONFIG_TIVA_DISABLE_GPIOT_IRQS
# define CONFIG_TIVA_DISABLE_GPIOA_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOB_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOC_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOD_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOE_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOF_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOG_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOH_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOJ_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOK_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOL_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOM_IRQS 1
# define CONFIG_TIVA_DISABLE_GPION_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOR_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOS_IRQS 1
# define CONFIG_TIVA_DISABLE_GPIOT_IRQS 1
#endif
/* Mark GPIO interrupts as disabled for non-existent GPIO ports. */
#if TIVA_NPORTS < 1 && !defined(CONFIG_TIVA_DISABLE_GPIOA_IRQS)
@ -79,6 +117,12 @@
# define CONFIG_TIVA_DISABLE_GPIOP_IRQS
#elif TIVA_NPORTS < 15 && !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
# define CONFIG_TIVA_DISABLE_GPIOQ_IRQS
#elif TIVA_NPORTS < 16 && !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
# define CONFIG_TIVA_DISABLE_GPIOQ_IRQS
#elif TIVA_NPORTS < 17 && !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
# define CONFIG_TIVA_DISABLE_GPIOQ_IRQS
#elif TIVA_NPORTS < 18 && !defined(CONFIG_TIVA_DISABLE_GPIOQ_IRQS)
# define CONFIG_TIVA_DISABLE_GPIOQ_IRQS
#endif
/* Processor Exceptions (vectors 0-15) */
@ -325,7 +369,49 @@
# define _NGPIOQIRQS _NGPIOPIRQS
#endif
#define NR_GPIO_IRQS (_NGPIOQIRQS - NR_IRQS)
#if !defined(CONFIG_TIVA_DISABLE_GPIOR_IRQS)
# define TIVA_IRQ_GPIOR_0 (_NGPIOQIRQS + 0)
# define TIVA_IRQ_GPIOR_1 (_NGPIOQIRQS + 1)
# define TIVA_IRQ_GPIOR_2 (_NGPIOQIRQS + 2)
# define TIVA_IRQ_GPIOR_3 (_NGPIOQIRQS + 3)
# define TIVA_IRQ_GPIOR_4 (_NGPIOQIRQS + 4)
# define TIVA_IRQ_GPIOR_5 (_NGPIOQIRQS + 5)
# define TIVA_IRQ_GPIOR_6 (_NGPIOQIRQS + 6)
# define TIVA_IRQ_GPIOR_7 (_NGPIOQIRQS + 7)
# define _NGPIORIRQS (_NGPIOQIRQS + 8)
#else
# define _NGPIORIRQS _NGPIOQIRQS
#endif
#if !defined(CONFIG_TIVA_DISABLE_GPIOS_IRQS)
# define TIVA_IRQ_GPIOS_0 (_NGPIORIRQS + 0)
# define TIVA_IRQ_GPIOS_1 (_NGPIORIRQS + 1)
# define TIVA_IRQ_GPIOS_2 (_NGPIORIRQS + 2)
# define TIVA_IRQ_GPIOS_3 (_NGPIORIRQS + 3)
# define TIVA_IRQ_GPIOS_4 (_NGPIORIRQS + 4)
# define TIVA_IRQ_GPIOS_5 (_NGPIORIRQS + 5)
# define TIVA_IRQ_GPIOS_6 (_NGPIORIRQS + 6)
# define TIVA_IRQ_GPIOS_7 (_NGPIORIRQS + 7)
# define _NGPIOSIRQS (_NGPIORIRQS + 8)
#else
# define _NGPIOSIRQS _NGPIORIRQS
#endif
#if !defined(CONFIG_TIVA_DISABLE_GPIOT_IRQS)
# define TIVA_IRQ_GPIOT_0 (_NGPIOSIRQS + 0)
# define TIVA_IRQ_GPIOT_1 (_NGPIOSIRQS + 1)
# define TIVA_IRQ_GPIOT_2 (_NGPIOSIRQS + 2)
# define TIVA_IRQ_GPIOT_3 (_NGPIOSIRQS + 3)
# define TIVA_IRQ_GPIOT_4 (_NGPIOSIRQS + 4)
# define TIVA_IRQ_GPIOT_5 (_NGPIOSIRQS + 5)
# define TIVA_IRQ_GPIOT_6 (_NGPIOSIRQS + 6)
# define TIVA_IRQ_GPIOT_7 (_NGPIOSIRQS + 7)
# define _NGPIOTIRQS (_NGPIOSIRQS + 8)
#else
# define _NGPIOTIRQS _NGPIOSIRQS
#endif
#define NR_GPIO_IRQS (_NGPIOTIRQS - NR_IRQS)
/************************************************************************************
* Public Types

2
arch/arm/src/tiva/tiva_gpio.c
View File

@ -927,7 +927,7 @@ void tiva_gpiowrite(uint32_t pinset, bool value)
*
****************************************************************************/
bool tiva_gpioread(uint32_t pinset, bool value)
bool tiva_gpioread(uint32_t pinset)
{
unsigned int port;
unsigned int pinno;

2
arch/arm/src/tiva/tiva_gpio.h
View File

@ -249,7 +249,7 @@ void tiva_gpiowrite(uint32_t pinset, bool value);
*
************************************************************************************/
bool tiva_gpioread(uint32_t pinset, bool value);
bool tiva_gpioread(uint32_t pinset);
/************************************************************************************
* Function: tiva_dumpgpio

183
arch/arm/src/tiva/tiva_gpioirq.c
View File

@ -68,36 +68,98 @@ static FAR xcpt_t g_gpioirqvector[NR_GPIO_IRQS];
* must carefully match the IRQ numbers assigned in arch/arm/include/lm3s/irq.h
*/
#define COMMA
static const uintptr_t g_gpiobase[] =
{
#ifndef CONFIG_TIVA_DISABLE_GPIOA_IRQS
TIVA_GPIOA_BASE
#else
0
COMMA TIVA_GPIOA_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOB_IRQS
, TIVA_GPIOB_BASE
COMMA TIVA_GPIOB_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOC_IRQS
, TIVA_GPIOC_BASE
COMMA TIVA_GPIOC_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOD_IRQS
, TIVA_GPIOD_BASE
COMMA TIVA_GPIOD_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOE_IRQS
, TIVA_GPIOE_BASE
COMMA TIVA_GPIOE_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOF_IRQS
, TIVA_GPIOF_BASE
COMMA TIVA_GPIOF_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOG_IRQS
, TIVA_GPIOG_BASE
COMMA TIVA_GPIOG_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOH_IRQS
, TIVA_GPIOH_BASE
COMMA TIVA_GPIOH_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOJ_IRQS
, TIVA_GPIOJ_BASE
COMMA TIVA_GPIOJ_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOK_IRQS
COMMA TIVA_GPIOK_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOL_IRQS
COMMA TIVA_GPIOL_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOM_IRQS
COMMA TIVA_GPIOM_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPION_IRQS
COMMA TIVA_GPION_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOP_IRQS
COMMA TIVA_GPIOP_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOQ_IRQS
COMMA TIVA_GPIOQ_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOR_IRQS
COMMA TIVA_GPIOR_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOS_IRQS
COMMA TIVA_GPIOS_BASE
#undef COMMA
#define COMMA ,
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOT_IRQS
COMMA TIVA_GPIOT_BASE
#undef COMMA
#define COMMA ,
#endif
};
@ -241,6 +303,69 @@ static int tiva_gpiojhandler(int irq, FAR void *context)
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOK_IRQS
static int tiva_gpiokhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOK_BASE, TIVA_IRQ_GPIOK_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOL_IRQS
static int tiva_gpiolhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOL_BASE, TIVA_IRQ_GPIOL_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOM_IRQS
static int tiva_gpiomhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOM_BASE, TIVA_IRQ_GPIOM_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPION_IRQS
static int tiva_gpionhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPION_BASE, TIVA_IRQ_GPION_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOP_IRQS
static int tiva_gpiophandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOP_BASE, TIVA_IRQ_GPIOP_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOQ_IRQS
static int tiva_gpioqhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOQ_BASE, TIVA_IRQ_GPIOQ_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOR_IRQS
static int tiva_gpiorhandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOR_BASE, TIVA_IRQ_GPIOR_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOS_IRQS
static int tiva_gpioshandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOS_BASE, TIVA_IRQ_GPIOS_0, context);
}
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOT_IRQS
static int tiva_gpiothandler(int irq, FAR void *context)
{
return tiva_gpiohandler(TIVA_GPIOT_BASE, TIVA_IRQ_GPIOT_0, context);
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -304,6 +429,42 @@ int gpio_irqinitialize(void)
irq_attach(TIVA_IRQ_GPIOJ, tiva_gpiojhandler);
up_enable_irq(TIVA_IRQ_GPIOJ);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOK_IRQS
irq_attach(TIVA_IRQ_GPIOK, tiva_gpiokhandler);
up_enable_irq(TIVA_IRQ_GPIOK);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOL_IRQS
irq_attach(TIVA_IRQ_GPIOL, tiva_gpiolhandler);
up_enable_irq(TIVA_IRQ_GPIOL);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOM_IRQS
irq_attach(TIVA_IRQ_GPIOM, tiva_gpiomhandler);
up_enable_irq(TIVA_IRQ_GPIOM);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPION_IRQS
irq_attach(TIVA_IRQ_GPION, tiva_gpionhandler);
up_enable_irq(TIVA_IRQ_GPION);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOP_IRQS
irq_attach(TIVA_IRQ_GPIOP, tiva_gpiophandler);
up_enable_irq(TIVA_IRQ_GPIOP);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOQ_IRQS
irq_attach(TIVA_IRQ_GPIOQ, tiva_gpioqhandler);
up_enable_irq(TIVA_IRQ_GPIOQ);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOR_IRQS
irq_attach(TIVA_IRQ_GPIOR, tiva_gpiorhandler);
up_enable_irq(TIVA_IRQ_GPIOR);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOS_IRQS
irq_attach(TIVA_IRQ_GPIOS, tiva_gpioshandler);
up_enable_irq(TIVA_IRQ_GPIOS);
#endif
#ifndef CONFIG_TIVA_DISABLE_GPIOT_IRQS
irq_attach(TIVA_IRQ_GPIOT, tiva_gpiothandler);
up_enable_irq(TIVA_IRQ_GPIOT);
#endif
return OK;
}