svn commit: r238369 - head/sys/arm/at91
Warner Losh
imp at FreeBSD.org
Wed Jul 11 17:11:08 UTC 2012
Author: imp
Date: Wed Jul 11 17:11:07 2012
New Revision: 238369
URL: http://svn.freebsd.org/changeset/base/238369
Log:
at91$DEV->at91_$DEV to match other Atmel drivers. Also, export
at91_rst_cpu_reset.
Modified:
head/sys/arm/at91/at91_rst.c
head/sys/arm/at91/at91_rstreg.h
Modified: head/sys/arm/at91/at91_rst.c
==============================================================================
--- head/sys/arm/at91/at91_rst.c Wed Jul 11 16:52:25 2012 (r238368)
+++ head/sys/arm/at91/at91_rst.c Wed Jul 11 17:11:07 2012 (r238369)
@@ -42,26 +42,26 @@ __FBSDID("$FreeBSD$");
#define RST_TIMEOUT (5) /* Seconds to hold NRST for hard reset */
#define RST_TICK (20) /* sample NRST at hz/RST_TICK intervals */
-static int at91rst_intr(void *arg);
+static int at91_rst_intr(void *arg);
-static struct at91rst_softc {
+static struct at91_rst_softc {
struct resource *mem_res; /* Memory resource */
struct resource *irq_res; /* IRQ resource */
void *intrhand; /* Interrupt handle */
struct callout tick_ch; /* Tick callout */
device_t sc_dev;
u_int shutdown; /* Shutdown in progress */
-} *at91rst_sc;
+} *at91_rst_sc;
static inline uint32_t
-RD4(struct at91rst_softc *sc, bus_size_t off)
+RD4(struct at91_rst_softc *sc, bus_size_t off)
{
return (bus_read_4(sc->mem_res, off));
}
static inline void
-WR4(struct at91rst_softc *sc, bus_size_t off, uint32_t val)
+WR4(struct at91_rst_softc *sc, bus_size_t off, uint32_t val)
{
bus_write_4(sc->mem_res, off, val);
@@ -70,17 +70,17 @@ WR4(struct at91rst_softc *sc, bus_size_t
void cpu_reset_sam9g20(void) __attribute__((weak));
void cpu_reset_sam9g20(void) {}
-static void
-at91rst_cpu_reset(void)
+void
+at91_rst_cpu_reset(void)
{
- if (at91rst_sc) {
+ if (at91_rst_sc) {
cpu_reset_sam9g20(); /* May be null */
- WR4(at91rst_sc, RST_MR,
+ WR4(at91_rst_sc, RST_MR,
RST_MR_ERSTL(0xd) | RST_MR_URSTEN | RST_MR_KEY);
- WR4(at91rst_sc, RST_CR,
+ WR4(at91_rst_sc, RST_CR,
RST_CR_PROCRST |
RST_CR_PERRST |
RST_CR_EXTRST |
@@ -91,7 +91,7 @@ at91rst_cpu_reset(void)
}
static int
-at91rst_probe(device_t dev)
+at91_rst_probe(device_t dev)
{
device_set_desc(dev, "AT91SAM9 Reset Controller");
@@ -99,13 +99,13 @@ at91rst_probe(device_t dev)
}
static int
-at91rst_attach(device_t dev)
+at91_rst_attach(device_t dev)
{
- struct at91rst_softc *sc;
+ struct at91_rst_softc *sc;
const char *cause;
int rid, err;
- at91rst_sc = sc = device_get_softc(dev);
+ at91_rst_sc = sc = device_get_softc(dev);
sc->sc_dev = dev;
callout_init(&sc->tick_ch, 0);
@@ -129,11 +129,11 @@ at91rst_attach(device_t dev)
/* Activate the interrupt. */
err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE,
- at91rst_intr, NULL, sc, &sc->intrhand);
+ at91_rst_intr, NULL, sc, &sc->intrhand);
if (err)
device_printf(dev, "could not establish interrupt handler.\n");
- WR4(at91rst_sc, RST_MR, RST_MR_ERSTL(0xd) | RST_MR_URSIEN | RST_MR_KEY);
+ WR4(at91_rst_sc, RST_MR, RST_MR_ERSTL(0xd) | RST_MR_URSIEN | RST_MR_KEY);
switch (RD4(sc, RST_SR) & RST_SR_RST_MASK) {
case RST_SR_RST_POW:
@@ -157,15 +157,14 @@ at91rst_attach(device_t dev)
}
device_printf(dev, "Reset cause: %s.\n", cause);
- soc_data.reset = at91rst_cpu_reset;
out:
return (err);
}
static void
-at91rst_tick(void *argp)
+at91_rst_tick(void *argp)
{
- struct at91rst_softc *sc = argp;
+ struct at91_rst_softc *sc = argp;
if (sc->shutdown++ >= RST_TIMEOUT * RST_TICK) {
/* User released the button in morre than RST_TIMEOUT */
@@ -176,36 +175,36 @@ at91rst_tick(void *argp)
device_printf(sc->sc_dev, "shutting down...\n");
shutdown_nice(0);
} else {
- callout_reset(&sc->tick_ch, hz/RST_TICK, at91rst_tick, sc);
+ callout_reset(&sc->tick_ch, hz/RST_TICK, at91_rst_tick, sc);
}
}
static int
-at91rst_intr(void *argp)
+at91_rst_intr(void *argp)
{
- struct at91rst_softc *sc = argp;
+ struct at91_rst_softc *sc = argp;
if (RD4(sc, RST_SR) & RST_SR_URSTS) {
if (sc->shutdown == 0)
- callout_reset(&sc->tick_ch, hz/RST_TICK, at91rst_tick, sc);
+ callout_reset(&sc->tick_ch, hz/RST_TICK, at91_rst_tick, sc);
return (FILTER_HANDLED);
}
return (FILTER_STRAY);
}
-static device_method_t at91rst_methods[] = {
- DEVMETHOD(device_probe, at91rst_probe),
- DEVMETHOD(device_attach, at91rst_attach),
+static device_method_t at91_rst_methods[] = {
+ DEVMETHOD(device_probe, at91_rst_probe),
+ DEVMETHOD(device_attach, at91_rst_attach),
DEVMETHOD_END
};
-static driver_t at91rst_driver = {
+static driver_t at91_rst_driver = {
"at91_rst",
- at91rst_methods,
- sizeof(struct at91rst_softc),
+ at91_rst_methods,
+ sizeof(struct at91_rst_softc),
};
-static devclass_t at91rst_devclass;
+static devclass_t at91_rst_devclass;
-DRIVER_MODULE(at91_rst, atmelarm, at91rst_driver, at91rst_devclass, NULL,
+DRIVER_MODULE(at91_rst, atmelarm, at91_rst_driver, at91_rst_devclass, NULL,
NULL);
Modified: head/sys/arm/at91/at91_rstreg.h
==============================================================================
--- head/sys/arm/at91/at91_rstreg.h Wed Jul 11 16:52:25 2012 (r238368)
+++ head/sys/arm/at91/at91_rstreg.h Wed Jul 11 17:11:07 2012 (r238369)
@@ -25,8 +25,8 @@
/* $FreeBSD$ */
-#ifndef ARM_AT91_AT91RSTREG_H
-#define ARM_AT91_AT91RSTREG_H
+#ifndef ARM_AT91_AT91_RSTREG_H
+#define ARM_AT91_AT91_RSTREG_H
#define RST_CR 0x0 /* Control Register */
#define RST_SR 0x4 /* Status Register */
@@ -56,4 +56,8 @@
#define RST_MR_ERSTL(x) ((x)<<8) /* External reset length */
#define RST_MR_KEY (0xa5<<24)
-#endif /* ARM_AT91_AT91RSTREG_H */
+#ifndef __ASSEMBLER__
+void at91_rst_cpu_reset(void);
+#endif
+
+#endif /* ARM_AT91_AT91_RSTREG_H */
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