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bring in ddb "show gpio" support from Cambria branch

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This commit is contained in:
Sam Leffler 2009-03-10 17:19:45 +00:00
parent f060939f44
commit 3ace201be8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=189633
1 changed files with 52 additions and 11 deletions
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49
sys/arm/xscale/ixp425/ixp425.c
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@ -36,6 +36,8 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_ddb.h"
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/param.h>
#include <sys/systm.h>
@ -95,10 +97,6 @@ bus_dma_get_range_nb(void)
return (0);
}
static __inline u_int32_t
ixp425_irq2gpio_bit(int irq)
{
static const uint8_t int2gpio[32] __attribute__ ((aligned(32))) = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* INT#0 -> INT#5 */
0x00, 0x01, /* GPIO#0 -> GPIO#1 */
@ -109,9 +107,52 @@ ixp425_irq2gpio_bit(int irq)
0xff, 0xff /* INT#30 -> INT#31 */
};
static __inline u_int32_t
ixp425_irq2gpio_bit(int irq)
{
return (1U << int2gpio[irq]);
}
#ifdef DDB
#include <ddb/ddb.h>
DB_SHOW_COMMAND(gpio, db_show_gpio)
{
static const char *itype[8] = {
[GPIO_TYPE_ACT_HIGH] = "act-high",
[GPIO_TYPE_ACT_LOW] = "act-low",
[GPIO_TYPE_EDG_RISING] = "edge-rising",
[GPIO_TYPE_EDG_FALLING] = "edge-falling",
[GPIO_TYPE_TRANSITIONAL]= "transitional",
[5] = "type-5", [6] = "type-6", [7] = "type-7"
};
uint32_t gpoutr = GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPOUTR);
uint32_t gpoer = GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPOER);
uint32_t gpinr = GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPINR);
uint32_t gpit1r = GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPIT1R);
uint32_t gpit2r = GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPIT2R);
int i, j;
db_printf("GPOUTR %08x GPOER %08x GPINR %08x GPISR %08x\n",
gpoutr, gpoer, gpinr,
GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPISR));
db_printf("GPIT1R %08x GPIT2R %08x GPCLKR %08x\n",
gpit1r, gpit2r, GPIO_CONF_READ_4(ixp425_softc, IXP425_GPIO_GPCLKR));
for (i = 0; i < 16; i++) {
db_printf("[%2d] out %u in %u %-3s", i,
(gpoutr>>i)&1, (gpinr>>i)&1, (gpoer>>i)&1 ? "in" : "out");
for (j = 0; j < 32; j++)
if (int2gpio[j] == i) {
db_printf(" irq %2u %s", j, itype[
(((i & 8) ? gpit2r : gpit1r) >> (3*(i&7)))
& 7]);
break;
}
db_printf("\n");
}
}
#endif
void
arm_mask_irq(uintptr_t nb)
{