svn commit: r262925 - head/sys/arm/at91
Warner Losh
imp at FreeBSD.org
Sat Mar 8 06:06:52 UTC 2014
Author: imp
Date: Sat Mar 8 06:06:50 2014
New Revision: 262925
URL: http://svnweb.freebsd.org/changeset/base/262925
Log:
Move AIC related stuff to own file.
Added:
head/sys/arm/at91/at91_aic.c (contents, props changed)
Modified:
head/sys/arm/at91/at91.c
head/sys/arm/at91/at91rm9200.c
head/sys/arm/at91/at91sam9g20.c
head/sys/arm/at91/at91sam9g20reg.h
head/sys/arm/at91/at91sam9x5.c
head/sys/arm/at91/at91sam9x5reg.h
head/sys/arm/at91/files.at91
Modified: head/sys/arm/at91/at91.c
==============================================================================
--- head/sys/arm/at91/at91.c Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91.c Sat Mar 8 06:06:50 2014 (r262925)
@@ -24,6 +24,8 @@
* SUCH DAMAGE.
*/
+#include "opt_platform.h"
+
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@@ -49,12 +51,6 @@ __FBSDID("$FreeBSD$");
#include <arm/at91/at91_pmcvar.h>
#include <arm/at91/at91_aicreg.h>
-static struct at91_softc *at91_softc;
-
-static void at91_eoi(void *);
-
-extern const struct arm_devmap_entry at91_devmap[];
-
uint32_t at91_master_clock;
static int
@@ -233,6 +229,12 @@ struct bus_space at91_bs_tag = {
NULL,
};
+#ifndef FDT
+
+static struct at91_softc *at91_softc;
+
+static void at91_eoi(void *);
+
static int
at91_probe(device_t dev)
{
@@ -264,7 +266,6 @@ static int
at91_attach(device_t dev)
{
struct at91_softc *sc = device_get_softc(dev);
- int i;
arm_post_filter = at91_eoi;
@@ -294,29 +295,6 @@ at91_attach(device_t dev)
0xfffffffful) != 0)
panic("at91_attach: failed to set up memory rman");
- /*
- * Setup the interrupt table.
- */
- if (soc_info.soc_data == NULL || soc_info.soc_data->soc_irq_prio == NULL)
- panic("Interrupt priority table missing\n");
- for (i = 0; i < 32; i++) {
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_SVR +
- i * 4, i);
- /* Priority. */
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_SMR + i * 4,
- soc_info.soc_data->soc_irq_prio[i]);
- if (i < 8)
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_EOICR,
- 1);
- }
-
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_SPU, 32);
- /* No debug. */
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_DCR, 0);
- /* Disable and clear all interrupts. */
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_IDCR, 0xffffffff);
- bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_ICCR, 0xffffffff);
-
/*
* Add this device's children...
*/
@@ -476,42 +454,6 @@ at91_print_child(device_t dev, device_t
return (retval);
}
-void
-arm_mask_irq(uintptr_t nb)
-{
-
- bus_space_write_4(at91_softc->sc_st,
- at91_softc->sc_aic_sh, IC_IDCR, 1 << nb);
-}
-
-int
-arm_get_next_irq(int last __unused)
-{
- int status;
- int irq;
-
- irq = bus_space_read_4(at91_softc->sc_st,
- at91_softc->sc_aic_sh, IC_IVR);
- status = bus_space_read_4(at91_softc->sc_st,
- at91_softc->sc_aic_sh, IC_ISR);
- if (status == 0) {
- bus_space_write_4(at91_softc->sc_st,
- at91_softc->sc_aic_sh, IC_EOICR, 1);
- return (-1);
- }
- return (irq);
-}
-
-void
-arm_unmask_irq(uintptr_t nb)
-{
-
- bus_space_write_4(at91_softc->sc_st,
- at91_softc->sc_aic_sh, IC_IECR, 1 << nb);
- bus_space_write_4(at91_softc->sc_st, at91_softc->sc_aic_sh,
- IC_EOICR, 0);
-}
-
static void
at91_eoi(void *unused)
{
@@ -588,3 +530,4 @@ static driver_t at91_driver = {
static devclass_t at91_devclass;
DRIVER_MODULE(atmelarm, nexus, at91_driver, at91_devclass, 0, 0);
+#endif
Added: head/sys/arm/at91/at91_aic.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm/at91/at91_aic.c Sat Mar 8 06:06:50 2014 (r262925)
@@ -0,0 +1,188 @@
+/*-
+ * Copyright (c) 2014 Warner Losh. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "opt_platform.h"
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/resource.h>
+#include <sys/systm.h>
+#include <sys/rman.h>
+
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/cpufunc.h>
+#include <machine/frame.h>
+#include <machine/intr.h>
+#include <machine/resource.h>
+
+#include <arm/at91/at91var.h>
+#include <arm/at91/at91_aicreg.h>
+
+#ifdef FDT
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+#endif
+
+static struct aic_softc {
+ struct resource *mem_res; /* Memory resource */
+ void *intrhand; /* Interrupt handle */
+ device_t sc_dev;
+} *sc;
+
+static inline uint32_t
+RD4(struct aic_softc *sc, bus_size_t off)
+{
+
+ return (bus_read_4(sc->mem_res, off));
+}
+
+static inline void
+WR4(struct aic_softc *sc, bus_size_t off, uint32_t val)
+{
+
+ bus_write_4(sc->mem_res, off, val);
+}
+
+void
+arm_mask_irq(uintptr_t nb)
+{
+
+ WR4(sc, IC_IDCR, 1 << nb);
+}
+
+int
+arm_get_next_irq(int last __unused)
+{
+ int status;
+ int irq;
+
+ irq = RD4(sc, IC_IVR);
+ status = RD4(sc, IC_ISR);
+ if (status == 0) {
+ WR4(sc, IC_EOICR, 1);
+ return (-1);
+ }
+ return (irq);
+}
+
+void
+arm_unmask_irq(uintptr_t nb)
+{
+
+ WR4(sc, IC_IECR, 1 << nb);
+ WR4(sc, IC_EOICR, 0);
+}
+
+static int
+at91_aic_probe(device_t dev)
+{
+#ifdef FDT
+ if (!ofw_bus_is_compatible(dev, "atmel,at91rm9200-aic"))
+ return (ENXIO);
+#endif
+ device_set_desc(dev, "AIC");
+ return (0);
+}
+
+static int
+at91_aic_attach(device_t dev)
+{
+ int i, rid, err = 0;
+
+ device_printf(dev, "Attach %d\n", bus_current_pass);
+
+ sc = device_get_softc(dev);
+ sc->sc_dev = dev;
+
+ rid = 0;
+ sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
+ RF_ACTIVE);
+
+ if (sc->mem_res == NULL)
+ panic("couldn't allocate register resources");
+
+ /*
+ * Setup the interrupt table.
+ */
+ if (soc_info.soc_data == NULL || soc_info.soc_data->soc_irq_prio == NULL)
+ panic("Interrupt priority table missing\n");
+ for (i = 0; i < 32; i++) {
+ WR4(sc, IC_SVR + i * 4, i);
+ /* Priority. */
+ WR4(sc, IC_SMR + i * 4, soc_info.soc_data->soc_irq_prio[i]);
+ if (i < 8)
+ WR4(sc, IC_EOICR, 1);
+ }
+
+ WR4(sc, IC_SPU, 32);
+ /* No debug. */
+ WR4(sc, IC_DCR, 0);
+ /* Disable and clear all interrupts. */
+ WR4(sc, IC_IDCR, 0xffffffff);
+ WR4(sc, IC_ICCR, 0xffffffff);
+ enable_interrupts(I32_bit | F32_bit);
+
+ return (err);
+}
+
+static void
+at91_aic_new_pass(device_t dev)
+{
+ device_printf(dev, "Pass %d\n", bus_current_pass);
+}
+
+static device_method_t at91_aic_methods[] = {
+ DEVMETHOD(device_probe, at91_aic_probe),
+ DEVMETHOD(device_attach, at91_aic_attach),
+ DEVMETHOD(bus_new_pass, at91_aic_new_pass),
+ DEVMETHOD_END
+};
+
+static driver_t at91_aic_driver = {
+ "at91_aic",
+ at91_aic_methods,
+ sizeof(struct aic_softc),
+};
+
+static devclass_t at91_aic_devclass;
+
+#ifdef FDT
+DRIVER_MODULE(at91_aic, simplebus, at91_aic_driver, at91_aic_devclass, NULL,
+ NULL);
+#else
+DRIVER_MODULE(at91_aic, atmelarm, at91_aic_driver, at91_aic_devclass, NULL,
+ NULL);
+#endif
+/* not yet
+EARLY_DRIVER_MODULE(at91_aic, simplebus, at91_aic_driver, at91_aic_devclass,
+ NULL, NULL, BUS_PASS_INTERRUPT);
+*/
Modified: head/sys/arm/at91/at91rm9200.c
==============================================================================
--- head/sys/arm/at91/at91rm9200.c Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91rm9200.c Sat Mar 8 06:06:50 2014 (r262925)
@@ -105,6 +105,7 @@ static const uint32_t at91_pio_base[] =
static const struct cpu_devs at91_devs[] =
{
+ DEVICE("at91_aic", AIC, 0),
DEVICE("at91_pmc", PMC, 0),
DEVICE("at91_st", ST, 0),
DEVICE("at91_pio", PIOA, 0),
Modified: head/sys/arm/at91/at91sam9g20.c
==============================================================================
--- head/sys/arm/at91/at91sam9g20.c Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91sam9g20.c Sat Mar 8 06:06:50 2014 (r262925)
@@ -103,6 +103,7 @@ static const uint32_t at91_pio_base[] =
static const struct cpu_devs at91_devs[] =
{
+ DEVICE("at91_aic", AIC, 0),
DEVICE("at91_pmc", PMC, 0),
DEVICE("at91_wdt", WDT, 0),
DEVICE("at91_rst", RSTC, 0),
Modified: head/sys/arm/at91/at91sam9g20reg.h
==============================================================================
--- head/sys/arm/at91/at91sam9g20reg.h Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91sam9g20reg.h Sat Mar 8 06:06:50 2014 (r262925)
@@ -221,6 +221,7 @@
#define AT91SAM9G20_IRQ_RSTC AT91SAM9G20_IRQ_SYSTEM
#define AT91SAM9G20_IRQ_OHCI AT91SAM9G20_IRQ_UHP
#define AT91SAM9G20_IRQ_NAND (-1)
+#define AT91SAM9G20_IRQ_AIC (-1)
#define AT91SAM9G20_AIC_BASE 0xffff000
#define AT91SAM9G20_AIC_SIZE 0x200
Modified: head/sys/arm/at91/at91sam9x5.c
==============================================================================
--- head/sys/arm/at91/at91sam9x5.c Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91sam9x5.c Sat Mar 8 06:06:50 2014 (r262925)
@@ -104,6 +104,7 @@ static const uint32_t at91_pio_base[] =
static const struct cpu_devs at91_devs[] =
{
+ DEVICE("at91_aic", AIC, 0),
DEVICE("at91_pmc", PMC, 0),
DEVICE("at91_wdt", WDT, 0),
DEVICE("at91_rst", RSTC, 0),
Modified: head/sys/arm/at91/at91sam9x5reg.h
==============================================================================
--- head/sys/arm/at91/at91sam9x5reg.h Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/at91sam9x5reg.h Sat Mar 8 06:06:50 2014 (r262925)
@@ -221,6 +221,7 @@
#define AT91SAM9X25_IRQ_PIOC AT91SAM9X25_IRQ_PIOCD
#define AT91SAM9X25_IRQ_PIOD AT91SAM9X25_IRQ_PIOCD
#define AT91SAM9X25_IRQ_NAND (-1)
+#define AT91SAM9X25_IRQ_AIC (-1)
#define AT91SAM9X25_AIC_BASE 0xffff000
#define AT91SAM9X25_AIC_SIZE 0x200
Modified: head/sys/arm/at91/files.at91
==============================================================================
--- head/sys/arm/at91/files.at91 Sat Mar 8 06:06:42 2014 (r262924)
+++ head/sys/arm/at91/files.at91 Sat Mar 8 06:06:50 2014 (r262925)
@@ -2,6 +2,7 @@
arm/arm/cpufunc_asm_arm9.S standard
arm/arm/irq_dispatch.S standard
arm/at91/at91_machdep.c standard
+arm/at91/at91_aic.c standard
arm/at91/at91.c standard
arm/at91/at91_cfata.c optional at91_cfata
arm/at91/at91_mci.c optional at91_mci
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