socsvn commit: r237153 - in soc2012/aleek/beaglexm-armv6/sys:
arm/conf arm/ti arm/ti/am37x boot/fdt/dts
aleek at FreeBSD.org
aleek at FreeBSD.org
Tue Jun 5 19:47:10 UTC 2012
Author: aleek
Date: Tue Jun 5 19:47:07 2012
New Revision: 237153
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=237153
Log:
added mapping for devices etc. Board boots to initarm():setttb()
Added:
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_dmtimer.c
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_pmic.c
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_prcm.c
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_reg.h
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_scm_padconf.c
soc2012/aleek/beaglexm-armv6/sys/boot/fdt/dts/beagleboardxm.dts
Deleted:
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_gptimer.c
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_gptimer.h
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_timer.c
Modified:
soc2012/aleek/beaglexm-armv6/sys/arm/conf/BEAGLEBOARD-XM
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/files.am37x
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/files.beagleboardxm
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/std.am37x
soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/std.beagleboardxm
soc2012/aleek/beaglexm-armv6/sys/arm/ti/ti_machdep.c
Modified: soc2012/aleek/beaglexm-armv6/sys/arm/conf/BEAGLEBOARD-XM
==============================================================================
--- soc2012/aleek/beaglexm-armv6/sys/arm/conf/BEAGLEBOARD-XM Tue Jun 5 18:58:05 2012 (r237152)
+++ soc2012/aleek/beaglexm-armv6/sys/arm/conf/BEAGLEBOARD-XM Tue Jun 5 19:47:07 2012 (r237153)
@@ -1,5 +1,5 @@
-# BEAGLEBOARD -- Custom configuration for the BeagleBoard ARM development
-# platform, check out www.beaglebaord.org
+# BEAGLEBONE -- Custom configuration for the BeagleBone ARM development
+# platform, check out http://www.beagleboard.org/bone
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
@@ -12,109 +12,114 @@
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
-# device lines is also present in the ../../conf/NOTES and NOTES files.
-# If you are in doubt as to the purpose or necessity of a line, check first
+# device lines is also present in the ../../conf/NOTES and NOTES files.
+# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
# $FreeBSD$
-ident BEAGLEBAORD-XM
+ident BEAGLEBOARD-XM
-# This probably wants to move somewhere else. Maybe we can create a basic
-# OMAP3530 config, then make a BEAGLEBOARD config that includes the basic one,
-# adds the start addresses and custom devices plus pulls in this hints file.
+include "../ti/am37x/std.beagleboardxm"
-#hints "BEAGLEBOARD.hints"
-
-include "../ti/am37x/std.beagleboardxm"
-
-#To statically compile in device wiring instead of /boot/device.hints
makeoptions MODULES_OVERRIDE=""
-makeoptions WITHOUT_MODULES="ahc"
+makeoptions WITHOUT_MODULES="ahc"
-makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
-makeoptions WERROR=
-options HZ=100
+options HZ=100
+options SCHED_4BSD #4BSD scheduler
+#options INET #InterNETworking
+#options INET6 #IPv6 communications protocols
+options FFS #Berkeley Fast Filesystem
+options SOFTUPDATES #Enable FFS soft updates support
+options UFS_ACL #Support for access control lists
+options UFS_DIRHASH #Improve performance on big directories
+options MSDOSFS #MSDOS Filesystem
+options CD9660 #ISO 9660 Filesystem
+options PROCFS #Process filesystem (requires PSEUDOFS)
+options PSEUDOFS #Pseudo-filesystem framework
+options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
+options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
+options KTRACE #ktrace(1) support
+options SYSVSHM #SYSV-style shared memory
+options SYSVMSG #SYSV-style message queues
+options SYSVSEM #SYSV-style semaphores
+options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
+options KBD_INSTALL_CDEV # install a CDEV entry in /dev
+options PREEMPTION
-options SCHED_4BSD #4BSD scheduler
-#options INET #InterNETworking
-#options INET6 #IPv6 communications protocols
-options FFS #Berkeley Fast Filesystem
-options SOFTUPDATES #Enable FFS soft updates support
-options UFS_ACL #Support for access control lists
-options UFS_DIRHASH #Improve performance on big directories
-#options NFSCLIENT #Network Filesystem Client
-#options NFSSERVER #Network Filesystem Server
-#options NFS_ROOT #NFS usable as /, requires NFSCLIENT
-#options MSDOSFS #MSDOS Filesystem
-#options CD9660 #ISO 9660 Filesystem
-#options PROCFS #Process filesystem (requires PSEUDOFS)
-options PSEUDOFS #Pseudo-filesystem framework
-options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
-options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
-options KTRACE #ktrace(1) support
-options SYSVSHM #SYSV-style shared memory
-options SYSVMSG #SYSV-style message queues
-options SYSVSEM #SYSV-style semaphores
-options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
-options KBD_INSTALL_CDEV # install a CDEV entry in /dev
+# Debugging
+makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
+options BREAK_TO_DEBUGGER
+#options VERBOSE_SYSINIT #Enable verbose sysinit messages
+options KDB
+options DDB #Enable the kernel debugger
+options INVARIANTS #Enable calls of extra sanity checking
+options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS
+options WITNESS #Enable checks to detect deadlocks and cycles
+options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
+#options DIAGNOSTIC
+
+# NFS support
+#options NFSCL
+#options NFSSERVER #Network Filesystem Server
+#options NFSCLIENT #Network Filesystem Client
+
+# Uncomment this for NFS root
+#options NFS_ROOT #NFS usable as /, requires NFSCLIENT
+#options BOOTP_NFSROOT
+#options BOOTP_COMPAT
+#options BOOTP
+#options BOOTP_NFSV3
+#options BOOTP_WIRED_TO=cpsw0
-options PREEMPTION
-# MMC/SD/SDIO Card slot support
-#device mmc # mmc/sd bus
+# MMC/SD/SDIO card slot support
+#device mmc # mmc/sd bus
#device mmcsd # mmc/sd flash cards
-# I2C support
-#device iicbus
-#device iic
-
-device loop
-#device ether
-#device mii
-#device smc
-#device smcphy
-#device uart
-#device uart_ns8250
+# Boot device is 2nd slice on MMC/SD card
+options ROOTDEVNAME=\"ufs:mmcsd0s2\"
+# Console and misc
+device uart
+device uart_ns8250
device pty
-
-#device gpio
-
-# Debugging for use in -current
-options VERBOSE_SYSINIT #Enable verbose sysinit messages
-options KDB
-options DDB #Enable the kernel debugger
-#options INVARIANTS #Enable calls of extra sanity checking
-#options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS
-#options WITNESS #Enable checks to detect deadlocks and cycles
-#options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
-#options DIAGNOSTIC
-options BREAK_TO_DEBUGGER
-
+device snp
device md
+device random # Entropy device
-# The following enables MFS as root, this seems similar to an initramfs or initrd
-# as used in Linux.
-# options MD_ROOT
-# options MD_ROOT_SIZE=7560
+# I2C support
+#device iicbus
+#device iic
+#device ti_i2c
+#device am37x_pmic # AM335x Power Management IC (TPC65217)
-device random # Entropy device
+# GPIO
+#device gpio
# USB support
#device usb
-#device ohci
-#device ehci
+#options USB_DEBUG
+#options USB_REQ_DEBUG
+#options USB_VERBOSE
+#device musb
#device umass
-#device scbus # SCSI bus (required for SCSI)
-#device da # Direct Access (disks)
+#device scbus # SCSI bus (required for SCSI)
+#device da # Direct Access (disks)
-# USB Ethernet support, requires miibus
+# Ethernet
+device loop
+#device ether
+#device mii
+#device smcphy
+
+# USB ethernet support, requires miibus
#device miibus
+#device cpsw
#device axe # ASIX Electronics USB Ethernet
-
# Flattened Device Tree
-#options FDT
-#options FDT_DTB_STATIC
-#makeoptions FDT_DTS_FILE=beaglebone.dts
+options FDT
+options FDT_DTB_STATIC
+makeoptions FDT_DTS_FILE=beagleboardxm.dts
+
Added: soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_dmtimer.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_dmtimer.c Tue Jun 5 19:47:07 2012 (r237153)
@@ -0,0 +1,385 @@
+/*-
+ * Copyright (c) 2012 Damjan Marion <dmarion at Freebsd.org>
+ * 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 THE 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 THE 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timeet.h>
+#include <sys/timetc.h>
+#include <sys/watchdog.h>
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/frame.h>
+#include <machine/intr.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <machine/bus.h>
+#include <machine/fdt.h>
+
+#include <arm/ti/ti_prcm.h>
+
+#define AM335X_NUM_TIMERS 8
+
+#define DMTIMER_TIDR 0x00 /* Identification Register */
+#define DMTIMER_TIOCP_CFG 0x10 /* Timer OCP Configuration Reg */
+#define DMTIMER_IQR_EOI 0x20 /* Timer IRQ End-Of-Interrupt Reg */
+#define DMTIMER_IRQSTATUS_RAW 0x24 /* Timer IRQSTATUS Raw Reg */
+#define DMTIMER_IRQSTATUS 0x28 /* Timer IRQSTATUS Reg */
+#define DMTIMER_IRQENABLE_SET 0x2c /* Timer IRQSTATUS Set Reg */
+#define DMTIMER_IRQENABLE_CLR 0x30 /* Timer IRQSTATUS Clear Reg */
+#define DMTIMER_IRQWAKEEN 0x34 /* Timer IRQ Wakeup Enable Reg */
+#define DMTIMER_TCLR 0x38 /* Timer Control Register */
+#define DMTIMER_TCRR 0x3C /* Timer Counter Register */
+#define DMTIMER_TLDR 0x40 /* Timer Load Reg */
+#define DMTIMER_TTGR 0x44 /* Timer Trigger Reg */
+#define DMTIMER_TWPS 0x48 /* Timer Write Posted Status Reg */
+#define DMTIMER_TMAR 0x4C /* Timer Match Reg */
+#define DMTIMER_TCAR1 0x50 /* Timer Capture Reg */
+#define DMTIMER_TSICR 0x54 /* Timer Synchr. Interface Control Reg */
+#define DMTIMER_TCAR2 0x48 /* Timer Capture Reg */
+
+
+struct am335x_dmtimer_softc {
+ struct resource * tmr_mem_res[AM335X_NUM_TIMERS];
+ struct resource * tmr_irq_res[AM335X_NUM_TIMERS];
+ uint32_t sysclk_freq;
+ struct am335x_dmtimer {
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+ struct eventtimer et;
+ } t[AM335X_NUM_TIMERS];
+};
+
+static struct resource_spec am335x_dmtimer_mem_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_MEMORY, 1, RF_ACTIVE },
+ { SYS_RES_MEMORY, 2, RF_ACTIVE },
+ { SYS_RES_MEMORY, 3, RF_ACTIVE },
+ { SYS_RES_MEMORY, 4, RF_ACTIVE },
+ { SYS_RES_MEMORY, 5, RF_ACTIVE },
+ { SYS_RES_MEMORY, 6, RF_ACTIVE },
+ { SYS_RES_MEMORY, 7, RF_ACTIVE },
+ { -1, 0, 0 }
+};
+static struct resource_spec am335x_dmtimer_irq_spec[] = {
+ { SYS_RES_IRQ, 0, RF_ACTIVE },
+ { SYS_RES_IRQ, 1, RF_ACTIVE },
+ { SYS_RES_IRQ, 2, RF_ACTIVE },
+ { SYS_RES_IRQ, 3, RF_ACTIVE },
+ { SYS_RES_IRQ, 4, RF_ACTIVE },
+ { SYS_RES_IRQ, 5, RF_ACTIVE },
+ { SYS_RES_IRQ, 6, RF_ACTIVE },
+ { SYS_RES_IRQ, 7, RF_ACTIVE },
+ { -1, 0, 0 }
+};
+
+static struct am335x_dmtimer *am335x_dmtimer_tc_tmr = NULL;
+
+/* Read/Write macros for Timer used as timecounter */
+#define am335x_dmtimer_tc_read_4(reg) \
+ bus_space_read_4(am335x_dmtimer_tc_tmr->bst, \
+ am335x_dmtimer_tc_tmr->bsh, reg)
+
+#define am335x_dmtimer_tc_write_4(reg, val) \
+ bus_space_write_4(am335x_dmtimer_tc_tmr->bst, \
+ am335x_dmtimer_tc_tmr->bsh, reg, val)
+
+/* Read/Write macros for Timer used as eventtimer */
+#define am335x_dmtimer_et_read_4(reg) \
+ bus_space_read_4(tmr->bst, tmr->bsh, reg)
+
+#define am335x_dmtimer_et_write_4(reg, val) \
+ bus_space_write_4(tmr->bst, tmr->bsh, reg, val)
+
+static unsigned am335x_dmtimer_tc_get_timecount(struct timecounter *);
+
+static struct timecounter am335x_dmtimer_tc = {
+ .tc_name = "AM335x Timecouter",
+ .tc_get_timecount = am335x_dmtimer_tc_get_timecount,
+ .tc_poll_pps = NULL,
+ .tc_counter_mask = ~0u,
+ .tc_frequency = 0,
+ .tc_quality = 1000,
+};
+
+static unsigned
+am335x_dmtimer_tc_get_timecount(struct timecounter *tc)
+{
+ return am335x_dmtimer_tc_read_4(DMTIMER_TCRR);
+}
+
+static int
+am335x_dmtimer_start(struct eventtimer *et, struct bintime *first,
+ struct bintime *period)
+{
+ struct am335x_dmtimer *tmr = (struct am335x_dmtimer *)et->et_priv;
+ uint32_t load, count;
+ uint32_t tclr = 0;
+
+ if (period != NULL) {
+ load = (et->et_frequency * (period->frac >> 32)) >> 32;
+ if (period->sec > 0)
+ load += et->et_frequency * period->sec;
+ tclr |= 2; /* autoreload bit */
+ panic("periodic timer not implemented\n");
+ } else {
+ load = 0;
+ }
+
+ if (first != NULL) {
+ count = (tmr->et.et_frequency * (first->frac >> 32)) >> 32;
+ if (first->sec != 0)
+ count += tmr->et.et_frequency * first->sec;
+ } else {
+ count = load;
+ }
+
+ /* Reset Timer */
+ am335x_dmtimer_et_write_4(DMTIMER_TSICR, 2);
+
+ /* Wait for reset to complete */
+ while (am335x_dmtimer_et_read_4(DMTIMER_TIOCP_CFG) & 1);
+
+ /* set load value */
+ am335x_dmtimer_et_write_4(DMTIMER_TLDR, 0xFFFFFFFE - load);
+
+ /* set counter value */
+ am335x_dmtimer_et_write_4(DMTIMER_TCRR, 0xFFFFFFFE - count);
+
+ /* enable overflow interrupt */
+ am335x_dmtimer_et_write_4(DMTIMER_IRQENABLE_SET, 2);
+
+ /* start timer(ST) */
+ tclr |= 1;
+ am335x_dmtimer_et_write_4(DMTIMER_TCLR, tclr);
+
+ return (0);
+}
+
+static int
+am335x_dmtimer_stop(struct eventtimer *et)
+{
+ struct am335x_dmtimer *tmr = (struct am335x_dmtimer *)et->et_priv;
+
+ /* Disable all interrupts */
+ am335x_dmtimer_et_write_4(DMTIMER_IRQENABLE_CLR, 7);
+
+ /* Stop Timer */
+ am335x_dmtimer_et_write_4(DMTIMER_TCLR, 0);
+
+ return (0);
+}
+
+static int
+am335x_dmtimer_intr(void *arg)
+{
+ struct am335x_dmtimer *tmr = (struct am335x_dmtimer *)arg;
+
+ /* Ack interrupt */
+ am335x_dmtimer_et_write_4(DMTIMER_IRQSTATUS, 7);
+ if (tmr->et.et_active)
+ tmr->et.et_event_cb(&tmr->et, tmr->et.et_arg);
+
+ return (FILTER_HANDLED);
+}
+
+static int
+am335x_dmtimer_probe(device_t dev)
+{
+ struct am335x_dmtimer_softc *sc;
+ sc = (struct am335x_dmtimer_softc *)device_get_softc(dev);
+
+ if (ofw_bus_is_compatible(dev, "ti,am335x-dmtimer")) {
+ device_set_desc(dev, "AM335x DMTimer");
+ return(BUS_PROBE_DEFAULT);
+ }
+
+ return (ENXIO);
+}
+
+static int
+am335x_dmtimer_attach(device_t dev)
+{
+ struct am335x_dmtimer_softc *sc = device_get_softc(dev);
+ void *ihl;
+ int err;
+ int i;
+
+ if (am335x_dmtimer_tc_tmr != NULL)
+ return (EINVAL);
+
+ /* Get the base clock frequency */
+ err = ti_prcm_clk_get_source_freq(SYS_CLK, &sc->sysclk_freq);
+ if (err) {
+ device_printf(dev, "Error: could not get sysclk frequency\n");
+ return (ENXIO);
+ }
+
+ /* Request the memory resources */
+ err = bus_alloc_resources(dev, am335x_dmtimer_mem_spec,
+ sc->tmr_mem_res);
+ if (err) {
+ device_printf(dev, "Error: could not allocate mem resources\n");
+ return (ENXIO);
+ }
+
+ /* Request the IRQ resources */
+ err = bus_alloc_resources(dev, am335x_dmtimer_irq_spec,
+ sc->tmr_irq_res);
+ if (err) {
+ device_printf(dev, "Error: could not allocate irq resources\n");
+ return (ENXIO);
+ }
+
+ for(i=0;i<AM335X_NUM_TIMERS;i++) {
+ sc->t[i].bst = rman_get_bustag(sc->tmr_mem_res[i]);
+ sc->t[i].bsh = rman_get_bushandle(sc->tmr_mem_res[i]);
+ }
+
+ /* Configure DMTimer2 and DMTimer3 source and enable them */
+ err = ti_prcm_clk_set_source(DMTIMER2_CLK, SYSCLK_CLK);
+ err |= ti_prcm_clk_enable(DMTIMER2_CLK);
+ err |= ti_prcm_clk_set_source(DMTIMER3_CLK, SYSCLK_CLK);
+ err |= ti_prcm_clk_enable(DMTIMER3_CLK);
+ if (err) {
+ device_printf(dev, "Error: could not setup timer clock\n");
+ return (ENXIO);
+ }
+
+ /* Take DMTimer2 for TC */
+ am335x_dmtimer_tc_tmr = &sc->t[2];
+
+ /* Reset Timer */
+ am335x_dmtimer_tc_write_4(DMTIMER_TSICR, 2);
+
+ /* Wait for reset to complete */
+ while (am335x_dmtimer_tc_read_4(DMTIMER_TIOCP_CFG) & 1);
+
+ /* set load value */
+ am335x_dmtimer_tc_write_4(DMTIMER_TLDR, 0);
+
+ /* set counter value */
+ am335x_dmtimer_tc_write_4(DMTIMER_TCRR, 0);
+
+ /* Set Timer autoreload(AR) and start timer(ST) */
+ am335x_dmtimer_tc_write_4(DMTIMER_TCLR, 3);
+
+ am335x_dmtimer_tc.tc_frequency = sc->sysclk_freq;
+ tc_init(&am335x_dmtimer_tc);
+
+ /* Register DMTimer3 as ET */
+
+ /* Setup and enable the timer */
+ if (bus_setup_intr(dev, sc->tmr_irq_res[3], INTR_TYPE_CLK,
+ am335x_dmtimer_intr, NULL, &sc->t[3], &ihl) != 0) {
+ bus_release_resources(dev, am335x_dmtimer_irq_spec,
+ sc->tmr_irq_res);
+ device_printf(dev, "Unable to setup the clock irq handler.\n");
+ return (ENXIO);
+ }
+
+ sc->t[3].et.et_name = "AM335x Eventtimer0";
+ sc->t[3].et.et_flags = ET_FLAGS_PERIODIC | ET_FLAGS_ONESHOT;
+ sc->t[3].et.et_quality = 1000;
+ sc->t[3].et.et_frequency = sc->sysclk_freq;
+ sc->t[3].et.et_min_period.sec = 0;
+ sc->t[3].et.et_min_period.frac =
+ ((0x00000002LLU << 32) / sc->t[3].et.et_frequency) << 32;
+ sc->t[3].et.et_max_period.sec = 0xfffffff0U / sc->t[3].et.et_frequency;
+ sc->t[3].et.et_max_period.frac =
+ ((0xfffffffeLLU << 32) / sc->t[3].et.et_frequency) << 32;
+ sc->t[3].et.et_start = am335x_dmtimer_start;
+ sc->t[3].et.et_stop = am335x_dmtimer_stop;
+ sc->t[3].et.et_priv = &sc->t[3];
+ et_register(&sc->t[3].et);
+
+ return (0);
+}
+
+static device_method_t am335x_dmtimer_methods[] = {
+ DEVMETHOD(device_probe, am335x_dmtimer_probe),
+ DEVMETHOD(device_attach, am335x_dmtimer_attach),
+ { 0, 0 }
+};
+
+static driver_t am335x_dmtimer_driver = {
+ "am335x_dmtimer",
+ am335x_dmtimer_methods,
+ sizeof(struct am335x_dmtimer_softc),
+};
+
+static devclass_t am335x_dmtimer_devclass;
+
+DRIVER_MODULE(am335x_dmtimer, simplebus, am335x_dmtimer_driver, am335x_dmtimer_devclass, 0, 0);
+MODULE_DEPEND(am335x_dmtimer, am335x_prcm, 1, 1, 1);
+
+void
+cpu_initclocks(void)
+{
+ cpu_initclocks_bsp();
+}
+
+void
+DELAY(int usec)
+{
+ int32_t counts;
+ uint32_t first, last;
+
+ if (am335x_dmtimer_tc_tmr == NULL) {
+ for (; usec > 0; usec--)
+ for (counts = 200; counts > 0; counts--)
+ /* Prevent gcc from optimizing out the loop */
+ cpufunc_nullop();
+ return;
+ }
+
+ /* Get the number of times to count */
+ counts = usec * ((am335x_dmtimer_tc.tc_frequency / 1000000) + 1);;
+
+ first = am335x_dmtimer_tc_read_4(DMTIMER_TCRR);
+
+ while (counts > 0) {
+ last = am335x_dmtimer_tc_read_4(DMTIMER_TCRR);
+ if (last>first) {
+ counts -= (int32_t)(last - first);
+ } else {
+ counts -= (int32_t)((0xFFFFFFFF - first) + last);
+ }
+ first = last;
+ }
+}
+
Added: soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_pmic.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_pmic.c Tue Jun 5 19:47:07 2012 (r237153)
@@ -0,0 +1,176 @@
+/*-
+ * Copyright (c) 2012 Damjan Marion <dmarion at Freebsd.org>
+ * 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 THE 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 THE 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+/*
+* TPS65217 PMIC companion chip for AM335x SoC sitting on I2C bus
+*/
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/clock.h>
+#include <sys/time.h>
+#include <sys/bus.h>
+#include <sys/resource.h>
+#include <sys/rman.h>
+
+#include <dev/iicbus/iicbus.h>
+#include <dev/iicbus/iiconf.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include "iicbus_if.h"
+
+#define TPS65217A 0x7
+#define TPS65217B 0xF
+
+/* TPS65217 Reisters */
+#define TPS65217_CHIPID_REG 0x00
+#define TPS65217_STATUS_REG 0x0A
+
+#define MAX_IIC_DATA_SIZE 2
+
+
+struct am335x_pmic_softc {
+ device_t sc_dev;
+ uint32_t sc_addr;
+ struct intr_config_hook enum_hook;
+};
+
+static int
+am335x_pmic_read(device_t dev, uint8_t addr, uint8_t *data, uint8_t size)
+{
+ struct am335x_pmic_softc *sc = device_get_softc(dev);
+ struct iic_msg msg[] = {
+ { sc->sc_addr, IIC_M_WR, 1, &addr },
+ { sc->sc_addr, IIC_M_RD, size, data },
+ };
+ return (iicbus_transfer(dev, msg, 2));
+}
+
+#ifdef notyet
+static int
+am335x_pmic_write(device_t dev, uint8_t address, uint8_t *data, uint8_t size)
+{
+ uint8_t buffer[MAX_IIC_DATA_SIZE + 1];
+ struct am335x_pmic_softc *sc = device_get_softc(dev);
+ struct iic_msg msg[] = {
+ { sc->sc_addr, IIC_M_WR, size + 1, buffer },
+ };
+
+ if (size > MAX_IIC_DATA_SIZE)
+ return (ENOMEM);
+
+ buffer[0] = address;
+ memcpy(buffer + 1, data, size);
+
+ return (iicbus_transfer(dev, msg, 1));
+}
+#endif
+
+static int
+am335x_pmic_probe(device_t dev)
+{
+ struct am335x_pmic_softc *sc;
+
+ if (!ofw_bus_is_compatible(dev, "ti,am335x-pmic"))
+ return (ENXIO);
+
+ sc = device_get_softc(dev);
+ sc->sc_dev = dev;
+ sc->sc_addr = iicbus_get_addr(dev);
+
+ device_set_desc(dev, "TI TPS65217 Power Management IC");
+
+ return (0);
+}
+
+static void
+am335x_pmic_start(void *xdev)
+{
+ struct am335x_pmic_softc *sc;
+ device_t dev = (device_t)xdev;
+ uint8_t reg;
+ char name[20];
+ char pwr[4][11] = {"Unknown", "USB", "AC", "USB and AC"};
+
+ sc = device_get_softc(dev);
+
+ am335x_pmic_read(dev, TPS65217_CHIPID_REG, ®, 1);
+ switch (reg>>4) {
+ case TPS65217A:
+ sprintf(name, "TPS65217A ver 1.%u", reg & 0xF);
+ break;
+ case TPS65217B:
+ sprintf(name, "TPS65217B ver 1.%u", reg & 0xF);
+ break;
+ default:
+ sprintf(name, "Unknown PMIC");
+ }
+
+ am335x_pmic_read(dev, TPS65217_STATUS_REG, ®, 1);
+ device_printf(dev, "%s powered by %s\n", name, pwr[(reg>>2)&0x03]);
+
+ config_intrhook_disestablish(&sc->enum_hook);
+}
+
+static int
+am335x_pmic_attach(device_t dev)
+{
+ struct am335x_pmic_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ sc->enum_hook.ich_func = am335x_pmic_start;
+ sc->enum_hook.ich_arg = dev;
+
+ if (config_intrhook_establish(&sc->enum_hook) != 0)
+ return (ENOMEM);
+
+ return (0);
+}
+
+static device_method_t am335x_pmic_methods[] = {
+ DEVMETHOD(device_probe, am335x_pmic_probe),
+ DEVMETHOD(device_attach, am335x_pmic_attach),
+ {0, 0},
+};
+
+static driver_t am335x_pmic_driver = {
+ "am335x_pmic",
+ am335x_pmic_methods,
+ sizeof(struct am335x_pmic_softc),
+};
+
+static devclass_t am335x_pmic_devclass;
+
+DRIVER_MODULE(am335x_pmic, iicbus, am335x_pmic_driver, am335x_pmic_devclass, 0, 0);
+MODULE_VERSION(am335x_pmic, 1);
+MODULE_DEPEND(am335x_pmic, iicbus, 1, 1, 1);
Added: soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_prcm.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2012/aleek/beaglexm-armv6/sys/arm/ti/am37x/am37x_prcm.c Tue Jun 5 19:47:07 2012 (r237153)
@@ -0,0 +1,534 @@
+/*-
+ * Copyright (c) 2012 Damjan Marion <dmarion at Freebsd.org>
+ * 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 THE 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 THE 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timeet.h>
+#include <sys/timetc.h>
+#include <sys/watchdog.h>
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/frame.h>
+#include <machine/intr.h>
+
+#include <arm/ti/tivar.h>
+#include <arm/ti/ti_scm.h>
+#include <arm/ti/ti_prcm.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <machine/bus.h>
+#include <machine/fdt.h>
+
+#define CM_PER 0
+#define CM_PER_L4LS_CLKSTCTRL (CM_PER + 0x000)
+#define CM_PER_L3S_CLKSTCTRL (CM_PER + 0x004)
+#define CM_PER_L3_CLKSTCTRL (CM_PER + 0x00C)
+#define CM_PER_CPGMAC0_CLKCTRL (CM_PER + 0x014)
+#define CM_PER_USB0_CLKCTRL (CM_PER + 0x01C)
+#define CM_PER_TPTC0_CLKCTRL (CM_PER + 0x024)
+#define CM_PER_MMC0_CLKCTRL (CM_PER + 0x03C)
+#define CM_PER_I2C2_CLKCTRL (CM_PER + 0x044)
+#define CM_PER_I2C1_CLKCTRL (CM_PER + 0x048)
+#define CM_PER_TIMER7_CLKCTRL (CM_PER + 0x07C)
+#define CM_PER_TIMER2_CLKCTRL (CM_PER + 0x080)
+#define CM_PER_TIMER3_CLKCTRL (CM_PER + 0x084)
+#define CM_PER_TIMER4_CLKCTRL (CM_PER + 0x088)
+#define CM_PER_GPIO1_CLKCTRL (CM_PER + 0x0AC)
+#define CM_PER_GPIO2_CLKCTRL (CM_PER + 0x0B0)
+#define CM_PER_GPIO3_CLKCTRL (CM_PER + 0x0B4)
+#define CM_PER_TPCC_CLKCTRL (CM_PER + 0x0BC)
+#define CM_PER_L3_INSTR_CLKCTRL (CM_PER + 0x0DC)
+#define CM_PER_L3_CLKCTRL (CM_PER + 0x0E0)
+#define CM_PER_TIMER5_CLKCTRL (CM_PER + 0x0EC)
+#define CM_PER_TIMER6_CLKCTRL (CM_PER + 0x0F0)
+#define CM_PER_MMC1_CLKCTRL (CM_PER + 0x0F4)
+#define CM_PER_MMC2_CLKCTRL (CM_PER + 0x0F8)
+#define CM_PER_TPTC1_CLKCTRL (CM_PER + 0x0FC)
+#define CM_PER_TPTC2_CLKCTRL (CM_PER + 0x100)
+#define CM_PER_OCPWP_L3_CLKSTCTRL (CM_PER + 0x12C)
+#define CM_PER_OCPWP_CLKCTRL (CM_PER + 0x130)
+#define CM_PER_CPSW_CLKSTCTRL (CM_PER + 0x144)
+
+#define CM_WKUP 0x400
+#define CM_WKUP_CLKSTCTRL (CM_WKUP + 0x000)
+#define CM_WKUP_CONTROL_CLKCTRL (CM_WKUP + 0x004)
+#define CM_WKUP_GPIO0_CLKCTRL (CM_WKUP + 0x008)
+#define CM_WKUP_CM_L3_AON_CLKSTCTRL (CM_WKUP + 0x01C)
+#define CM_WKUP_CM_CLKSEL_DPLL_MPU (CM_WKUP + 0x02C)
+#define CM_WKUP_CM_CLKDCOLDO_DPLL_PER (CM_WKUP + 0x07C)
+#define CM_WKUP_I2C0_CLKCTRL (CM_WKUP + 0x0B8)
+
+#define CM_DPLL 0x500
+#define CLKSEL_TIMER7_CLK (CM_DPLL + 0x004)
+#define CLKSEL_TIMER2_CLK (CM_DPLL + 0x008)
+#define CLKSEL_TIMER3_CLK (CM_DPLL + 0x00C)
+#define CLKSEL_TIMER4_CLK (CM_DPLL + 0x010)
+#define CLKSEL_TIMER5_CLK (CM_DPLL + 0x018)
+#define CLKSEL_TIMER6_CLK (CM_DPLL + 0x01C)
+
+#define PRM_DEVICE_OFFSET 0xF00
+#define PRM_RSTCTRL (PRM_DEVICE_OFFSET + 0x00)
+
+struct am335x_prcm_softc {
+ struct resource * res[2];
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+};
+
+static struct resource_spec am335x_prcm_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+static struct am335x_prcm_softc *am335x_prcm_sc = NULL;
+
+static int am335x_clk_generic_activate(struct ti_clock_dev *clkdev);
+static int am335x_clk_generic_deactivate(struct ti_clock_dev *clkdev);
+static int am335x_clk_generic_set_source(struct ti_clock_dev *clkdev, clk_src_t clksrc);
+static int am335x_clk_hsmmc_get_source_freq(struct ti_clock_dev *clkdev, unsigned int *freq);
+static int am335x_clk_get_sysclk_freq(struct ti_clock_dev *clkdev, unsigned int *freq);
+static int am335x_clk_get_arm_fclk_freq(struct ti_clock_dev *clkdev, unsigned int *freq);
+static void am335x_prcm_reset(void);
+static int am335x_clk_cpsw_activate(struct ti_clock_dev *clkdev);
+static int am335x_clk_musb0_activate(struct ti_clock_dev *clkdev);
+
+#define AM335X_GENERIC_CLOCK_DEV(i) \
+ { .id = (i), \
+ .clk_activate = am335x_clk_generic_activate, \
+ .clk_deactivate = am335x_clk_generic_deactivate, \
+ .clk_set_source = am335x_clk_generic_set_source, \
+ .clk_accessible = NULL, \
+ .clk_get_source_freq = NULL \
+ }
+
+#define AM335X_MMCHS_CLOCK_DEV(i) \
+ { .id = (i), \
+ .clk_activate = am335x_clk_generic_activate, \
+ .clk_deactivate = am335x_clk_generic_deactivate, \
+ .clk_set_source = am335x_clk_generic_set_source, \
+ .clk_accessible = NULL, \
+ .clk_get_source_freq = am335x_clk_hsmmc_get_source_freq \
+ }
+
+struct ti_clock_dev ti_clk_devmap[] = {
+ /* System clocks */
+ { .id = SYS_CLK,
+ .clk_activate = NULL,
+ .clk_deactivate = NULL,
+ .clk_set_source = NULL,
+ .clk_accessible = NULL,
+ .clk_get_source_freq = am335x_clk_get_sysclk_freq,
+ },
+ /* MPU (ARM) core clocks */
+ { .id = MPU_CLK,
+ .clk_activate = NULL,
+ .clk_deactivate = NULL,
+ .clk_set_source = NULL,
+ .clk_accessible = NULL,
+ .clk_get_source_freq = am335x_clk_get_arm_fclk_freq,
+ },
+ /* CPSW Ethernet Switch core clocks */
+ { .id = CPSW_CLK,
+ .clk_activate = am335x_clk_cpsw_activate,
+ .clk_deactivate = NULL,
+ .clk_set_source = NULL,
+ .clk_accessible = NULL,
+ .clk_get_source_freq = NULL,
+ },
+
+ /* Mentor USB HS controller core clocks */
+ { .id = MUSB0_CLK,
+ .clk_activate = am335x_clk_musb0_activate,
+ .clk_deactivate = NULL,
+ .clk_set_source = NULL,
+ .clk_accessible = NULL,
+ .clk_get_source_freq = NULL,
+ },
+
+ /* DMTimer */
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER2_CLK),
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER3_CLK),
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER4_CLK),
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER5_CLK),
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER6_CLK),
+ AM335X_GENERIC_CLOCK_DEV(DMTIMER7_CLK),
+
+ /* GPIO */
+ AM335X_GENERIC_CLOCK_DEV(GPIO0_CLK),
+ AM335X_GENERIC_CLOCK_DEV(GPIO1_CLK),
+ AM335X_GENERIC_CLOCK_DEV(GPIO2_CLK),
+ AM335X_GENERIC_CLOCK_DEV(GPIO3_CLK),
+
+ /* I2C */
+ AM335X_GENERIC_CLOCK_DEV(I2C0_CLK),
+ AM335X_GENERIC_CLOCK_DEV(I2C1_CLK),
+ AM335X_GENERIC_CLOCK_DEV(I2C2_CLK),
+
+ /* EDMA */
+ AM335X_GENERIC_CLOCK_DEV(EDMA_TPCC_CLK),
+ AM335X_GENERIC_CLOCK_DEV(EDMA_TPTC0_CLK),
+ AM335X_GENERIC_CLOCK_DEV(EDMA_TPTC1_CLK),
+ AM335X_GENERIC_CLOCK_DEV(EDMA_TPTC2_CLK),
+
+ /* MMCHS */
+ AM335X_MMCHS_CLOCK_DEV(MMC0_CLK),
+ AM335X_MMCHS_CLOCK_DEV(MMC1_CLK),
+ AM335X_MMCHS_CLOCK_DEV(MMC2_CLK),
+
+ { INVALID_CLK_IDENT, NULL, NULL, NULL, NULL }
+};
+
+struct am335x_clk_details {
+ clk_ident_t id;
+ uint32_t clkctrl_reg;
+ uint32_t clksel_reg;
+};
+
+#define _CLK_DETAIL(i, c, s) \
+ { .id = (i), \
+ .clkctrl_reg = (c), \
+ .clksel_reg = (s), \
+ }
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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