---
 freebsd/sys/arm/lpc/if_lpe.c    | 1234 +++++++++++++++++++++++++++++++++++++++
 freebsd/sys/arm/lpc/if_lpereg.h |  208 +++++++
 freebsd/sys/arm/lpc/lpc_pwr.c   |  131 +++++
 freebsd/sys/arm/lpc/lpcreg.h    |  665 +++++++++++++++++++++
 freebsd/sys/arm/lpc/lpcvar.h    |   69 +++
 5 files changed, 2307 insertions(+)
 create mode 100644 freebsd/sys/arm/lpc/if_lpe.c
 create mode 100644 freebsd/sys/arm/lpc/if_lpereg.h
 create mode 100644 freebsd/sys/arm/lpc/lpc_pwr.c
 create mode 100644 freebsd/sys/arm/lpc/lpcreg.h
 create mode 100644 freebsd/sys/arm/lpc/lpcvar.h

diff --git a/freebsd/sys/arm/lpc/if_lpe.c b/freebsd/sys/arm/lpc/if_lpe.c
new file mode 100644
index 0000000..76b794f
--- /dev/null
+++ b/freebsd/sys/arm/lpc/if_lpe.c
@@ -0,0 +1,1234 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * Copyright (c) 2011 Jakub Wojciech Klama <jc...@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 <rtems/bsd/sys/param.h>
+#include <sys/endian.h>
+#include <sys/systm.h>
+#include <sys/sockio.h>
+#include <sys/mbuf.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <rtems/bsd/sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/rman.h>
+#include <sys/bus.h>
+#include <sys/socket.h>
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+#include <net/if_var.h>
+
+#include <net/bpf.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+
+#include <arm/lpc/lpcreg.h>
+#include <arm/lpc/lpcvar.h>
+#include <arm/lpc/if_lpereg.h>
+
+#include <rtems/bsd/local/miibus_if.h>
+
+#ifdef DEBUG
+#define debugf(fmt, args...) do { printf("%s(): ", __func__);   \
+    printf(fmt,##args); } while (0)
+#else
+#define debugf(fmt, args...)
+#endif
+
+struct lpe_dmamap_arg {
+       bus_addr_t              lpe_dma_busaddr;
+};
+
+struct lpe_rxdesc {
+       struct mbuf *           lpe_rxdesc_mbuf;
+       bus_dmamap_t            lpe_rxdesc_dmamap;
+};
+
+struct lpe_txdesc {
+       int                     lpe_txdesc_first;
+       struct mbuf *           lpe_txdesc_mbuf;
+       bus_dmamap_t            lpe_txdesc_dmamap;
+};
+
+struct lpe_chain_data {
+       bus_dma_tag_t           lpe_parent_tag;
+       bus_dma_tag_t           lpe_tx_ring_tag;
+       bus_dmamap_t            lpe_tx_ring_map;
+       bus_dma_tag_t           lpe_tx_status_tag;
+       bus_dmamap_t            lpe_tx_status_map;
+       bus_dma_tag_t           lpe_tx_buf_tag;
+       bus_dma_tag_t           lpe_rx_ring_tag;
+       bus_dmamap_t            lpe_rx_ring_map;
+       bus_dma_tag_t           lpe_rx_status_tag;
+       bus_dmamap_t            lpe_rx_status_map;
+       bus_dma_tag_t           lpe_rx_buf_tag;
+       struct lpe_rxdesc       lpe_rx_desc[LPE_RXDESC_NUM];
+       struct lpe_txdesc       lpe_tx_desc[LPE_TXDESC_NUM];
+       int                     lpe_tx_prod;
+       int                     lpe_tx_last;
+       int                     lpe_tx_used;
+};
+
+struct lpe_ring_data {
+       struct lpe_hwdesc *     lpe_rx_ring;
+       struct lpe_hwstatus *   lpe_rx_status;
+       bus_addr_t              lpe_rx_ring_phys;
+       bus_addr_t              lpe_rx_status_phys;
+       struct lpe_hwdesc *     lpe_tx_ring;
+       struct lpe_hwstatus *   lpe_tx_status;
+       bus_addr_t              lpe_tx_ring_phys;
+       bus_addr_t              lpe_tx_status_phys;
+};
+
+struct lpe_softc {
+       struct ifnet *          lpe_ifp;
+       struct mtx              lpe_mtx;
+       phandle_t               lpe_ofw;
+       device_t                lpe_dev;
+       device_t                lpe_miibus;
+       uint8_t                 lpe_enaddr[6];
+       struct resource *       lpe_mem_res;
+       struct resource *       lpe_irq_res;
+       void *                  lpe_intrhand;
+       bus_space_tag_t         lpe_bst;
+       bus_space_handle_t      lpe_bsh;
+#define        LPE_FLAG_LINK           (1 << 0)
+       uint32_t                lpe_flags;
+       int                     lpe_watchdog_timer;
+       struct callout          lpe_tick;
+       struct lpe_chain_data   lpe_cdata;
+       struct lpe_ring_data    lpe_rdata;
+};
+
+static int lpe_probe(device_t);
+static int lpe_attach(device_t);
+static int lpe_detach(device_t);
+static int lpe_miibus_readreg(device_t, int, int);
+static int lpe_miibus_writereg(device_t, int, int, int);
+static void lpe_miibus_statchg(device_t);
+
+static void lpe_reset(struct lpe_softc *);
+static void lpe_init(void *);
+static void lpe_init_locked(struct lpe_softc *);
+static void lpe_start(struct ifnet *);
+static void lpe_start_locked(struct ifnet *);
+static void lpe_stop(struct lpe_softc *);
+static void lpe_stop_locked(struct lpe_softc *);
+static int lpe_ioctl(struct ifnet *, u_long, caddr_t);
+static void lpe_set_rxmode(struct lpe_softc *);
+static void lpe_set_rxfilter(struct lpe_softc *);
+static void lpe_intr(void *);
+static void lpe_rxintr(struct lpe_softc *);
+static void lpe_txintr(struct lpe_softc *);
+static void lpe_tick(void *);
+static void lpe_watchdog(struct lpe_softc *);
+static int lpe_encap(struct lpe_softc *, struct mbuf **);
+static int lpe_dma_alloc(struct lpe_softc *);
+static int lpe_dma_alloc_rx(struct lpe_softc *);
+static int lpe_dma_alloc_tx(struct lpe_softc *);
+static int lpe_init_rx(struct lpe_softc *);
+static int lpe_init_rxbuf(struct lpe_softc *, int);
+static void lpe_discard_rxbuf(struct lpe_softc *, int);
+static void lpe_dmamap_cb(void *, bus_dma_segment_t *, int, int);
+static int lpe_ifmedia_upd(struct ifnet *);
+static void lpe_ifmedia_sts(struct ifnet *, struct ifmediareq *);
+
+#define        lpe_lock(_sc)           mtx_lock(&(_sc)->lpe_mtx)
+#define        lpe_unlock(_sc)         mtx_unlock(&(_sc)->lpe_mtx)
+#define        lpe_lock_assert(_sc)    mtx_assert(&(_sc)->lpe_mtx, MA_OWNED)
+
+#define        lpe_read_4(_sc, _reg)           \
+    bus_space_read_4((_sc)->lpe_bst, (_sc)->lpe_bsh, (_reg))
+#define        lpe_write_4(_sc, _reg, _val)    \
+    bus_space_write_4((_sc)->lpe_bst, (_sc)->lpe_bsh, (_reg), (_val))
+
+#define        LPE_HWDESC_RXERRS       (LPE_HWDESC_CRCERROR | 
LPE_HWDESC_SYMBOLERROR | \
+    LPE_HWDESC_LENGTHERROR | LPE_HWDESC_ALIGNERROR | LPE_HWDESC_OVERRUN | \
+    LPE_HWDESC_RXNODESCR)
+
+#define        LPE_HWDESC_TXERRS       (LPE_HWDESC_EXCDEFER | 
LPE_HWDESC_EXCCOLL | \
+    LPE_HWDESC_LATECOLL | LPE_HWDESC_UNDERRUN | LPE_HWDESC_TXNODESCR)
+
+static int
+lpe_probe(device_t dev)
+{
+
+       if (!ofw_bus_status_okay(dev))
+               return (ENXIO);
+
+       if (!ofw_bus_is_compatible(dev, "lpc,ethernet"))
+               return (ENXIO);
+
+       device_set_desc(dev, "LPC32x0 10/100 Ethernet");
+       return (BUS_PROBE_DEFAULT);
+}
+
+static int
+lpe_attach(device_t dev)
+{
+       struct lpe_softc *sc = device_get_softc(dev);
+       struct ifnet *ifp;
+       int rid, i;
+       uint32_t val;
+
+       sc->lpe_dev = dev;
+       sc->lpe_ofw = ofw_bus_get_node(dev);
+
+       i = OF_getprop(sc->lpe_ofw, "local-mac-address", (void 
*)&sc->lpe_enaddr, 6);
+       if (i != 6) {
+               sc->lpe_enaddr[0] = 0x00;
+               sc->lpe_enaddr[1] = 0x11;
+               sc->lpe_enaddr[2] = 0x22;
+               sc->lpe_enaddr[3] = 0x33;
+               sc->lpe_enaddr[4] = 0x44;
+               sc->lpe_enaddr[5] = 0x55;
+       }
+
+       mtx_init(&sc->lpe_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
+           MTX_DEF);
+
+       callout_init_mtx(&sc->lpe_tick, &sc->lpe_mtx, 0);
+
+       rid = 0;
+       sc->lpe_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
+           RF_ACTIVE);
+       if (!sc->lpe_mem_res) {
+               device_printf(dev, "cannot allocate memory window\n");
+               goto fail;
+       }
+
+       sc->lpe_bst = rman_get_bustag(sc->lpe_mem_res);
+       sc->lpe_bsh = rman_get_bushandle(sc->lpe_mem_res);
+
+       rid = 0;
+       sc->lpe_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
+           RF_ACTIVE);
+       if (!sc->lpe_irq_res) {
+               device_printf(dev, "cannot allocate interrupt\n");
+               goto fail;
+       }
+
+       sc->lpe_ifp = if_alloc(IFT_ETHER);
+       if (!sc->lpe_ifp) {
+               device_printf(dev, "cannot allocated ifnet\n");
+               goto fail;
+       }
+
+       ifp = sc->lpe_ifp;
+
+       if_initname(ifp, device_get_name(dev), device_get_unit(dev));
+       ifp->if_softc = sc;
+       ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+       ifp->if_start = lpe_start;
+       ifp->if_ioctl = lpe_ioctl;
+       ifp->if_init = lpe_init;
+       IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
+       ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
+       IFQ_SET_READY(&ifp->if_snd);
+
+       ether_ifattach(ifp, sc->lpe_enaddr);
+
+       if (bus_setup_intr(dev, sc->lpe_irq_res, INTR_TYPE_NET, NULL,
+           lpe_intr, sc, &sc->lpe_intrhand)) {
+               device_printf(dev, "cannot establish interrupt handler\n");
+               ether_ifdetach(ifp);
+               goto fail;
+       }
+
+       /* Enable Ethernet clock */
+       lpc_pwr_write(dev, LPC_CLKPWR_MACCLK_CTRL,
+           LPC_CLKPWR_MACCLK_CTRL_REG |
+           LPC_CLKPWR_MACCLK_CTRL_SLAVE |
+           LPC_CLKPWR_MACCLK_CTRL_MASTER |
+           LPC_CLKPWR_MACCLK_CTRL_HDWINF(3));
+
+       /* Reset chip */
+       lpe_reset(sc);
+
+       /* Initialize MII */
+       val = lpe_read_4(sc, LPE_COMMAND);
+       lpe_write_4(sc, LPE_COMMAND, val | LPE_COMMAND_RMII);
+
+       if (mii_attach(dev, &sc->lpe_miibus, ifp, lpe_ifmedia_upd,
+           lpe_ifmedia_sts, BMSR_DEFCAPMASK, 0x01, 
+           MII_OFFSET_ANY, 0)) {
+               device_printf(dev, "cannot find PHY\n");
+               goto fail;
+       }
+
+       lpe_dma_alloc(sc);
+
+       return (0);
+
+fail:
+       if (sc->lpe_ifp)
+               if_free(sc->lpe_ifp);
+       if (sc->lpe_intrhand)
+               bus_teardown_intr(dev, sc->lpe_irq_res, sc->lpe_intrhand);
+       if (sc->lpe_irq_res)
+               bus_release_resource(dev, SYS_RES_IRQ, 0, sc->lpe_irq_res);
+       if (sc->lpe_mem_res)
+               bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->lpe_mem_res);
+       return (ENXIO);
+}
+
+static int
+lpe_detach(device_t dev)
+{
+       struct lpe_softc *sc = device_get_softc(dev);
+
+       lpe_stop(sc);
+
+       if_free(sc->lpe_ifp);
+       bus_teardown_intr(dev, sc->lpe_irq_res, sc->lpe_intrhand);
+       bus_release_resource(dev, SYS_RES_IRQ, 0, sc->lpe_irq_res);
+       bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->lpe_mem_res);
+
+       return (0);
+}
+
+static int
+lpe_miibus_readreg(device_t dev, int phy, int reg)
+{
+       struct lpe_softc *sc = device_get_softc(dev);
+       uint32_t val;
+       int result;
+
+       lpe_write_4(sc, LPE_MCMD, LPE_MCMD_READ);
+       lpe_write_4(sc, LPE_MADR, 
+           (reg & LPE_MADR_REGMASK) << LPE_MADR_REGSHIFT |
+           (phy & LPE_MADR_PHYMASK) << LPE_MADR_PHYSHIFT);
+
+       val = lpe_read_4(sc, LPE_MIND);
+
+       /* Wait until request is completed */
+       while (val & LPE_MIND_BUSY) {
+               val = lpe_read_4(sc, LPE_MIND);
+               DELAY(10);
+       }
+
+       if (val & LPE_MIND_INVALID)
+               return (0);
+
+       lpe_write_4(sc, LPE_MCMD, 0);
+       result = (lpe_read_4(sc, LPE_MRDD) & LPE_MRDD_DATAMASK);
+       debugf("phy=%d reg=%d result=0x%04x\n", phy, reg, result);
+
+       return (result);
+}
+
+static int
+lpe_miibus_writereg(device_t dev, int phy, int reg, int data)
+{
+       struct lpe_softc *sc = device_get_softc(dev);
+       uint32_t val;
+
+       debugf("phy=%d reg=%d data=0x%04x\n", phy, reg, data);
+
+       lpe_write_4(sc, LPE_MCMD, LPE_MCMD_WRITE);
+       lpe_write_4(sc, LPE_MADR, 
+           (reg & LPE_MADR_REGMASK) << LPE_MADR_REGSHIFT |
+           (phy & LPE_MADR_PHYMASK) << LPE_MADR_PHYSHIFT);
+
+       lpe_write_4(sc, LPE_MWTD, (data & LPE_MWTD_DATAMASK));
+
+       val = lpe_read_4(sc, LPE_MIND);
+
+       /* Wait until request is completed */
+       while (val & LPE_MIND_BUSY) {
+               val = lpe_read_4(sc, LPE_MIND);
+               DELAY(10);
+       }
+
+       return (0);
+}
+
+static void
+lpe_miibus_statchg(device_t dev)
+{
+       struct lpe_softc *sc = device_get_softc(dev);
+       struct mii_data *mii = device_get_softc(sc->lpe_miibus);
+
+       lpe_lock(sc);
+
+       if ((mii->mii_media_status & IFM_ACTIVE) &&
+           (mii->mii_media_status & IFM_AVALID))
+               sc->lpe_flags |= LPE_FLAG_LINK;
+       else
+               sc->lpe_flags &= ~LPE_FLAG_LINK;
+
+       lpe_unlock(sc);
+}
+
+static void
+lpe_reset(struct lpe_softc *sc)
+{
+       uint32_t mac1;
+
+       /* Enter soft reset mode */
+       mac1 = lpe_read_4(sc, LPE_MAC1);
+       lpe_write_4(sc, LPE_MAC1, mac1 | LPE_MAC1_SOFTRESET | LPE_MAC1_RESETTX |
+           LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX);
+
+       /* Reset registers, Tx path and Rx path */
+       lpe_write_4(sc, LPE_COMMAND, LPE_COMMAND_REGRESET |
+           LPE_COMMAND_TXRESET | LPE_COMMAND_RXRESET);
+
+       /* Set station address */
+       lpe_write_4(sc, LPE_SA2, sc->lpe_enaddr[1] << 8 | sc->lpe_enaddr[0]);
+       lpe_write_4(sc, LPE_SA1, sc->lpe_enaddr[3] << 8 | sc->lpe_enaddr[2]);
+       lpe_write_4(sc, LPE_SA0, sc->lpe_enaddr[5] << 8 | sc->lpe_enaddr[4]);
+
+       /* Leave soft reset mode */
+       mac1 = lpe_read_4(sc, LPE_MAC1);
+       lpe_write_4(sc, LPE_MAC1, mac1 & ~(LPE_MAC1_SOFTRESET | 
LPE_MAC1_RESETTX |
+           LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX));
+}
+
+static void
+lpe_init(void *arg)
+{
+       struct lpe_softc *sc = (struct lpe_softc *)arg;
+
+       lpe_lock(sc);
+       lpe_init_locked(sc);
+       lpe_unlock(sc);
+}
+
+static void
+lpe_init_locked(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+       uint32_t cmd, mac1;
+
+       lpe_lock_assert(sc);
+
+       if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+               return;
+
+       /* Enable Tx and Rx */
+       cmd = lpe_read_4(sc, LPE_COMMAND);
+       lpe_write_4(sc, LPE_COMMAND, cmd | LPE_COMMAND_RXENABLE |
+           LPE_COMMAND_TXENABLE | LPE_COMMAND_PASSRUNTFRAME);
+
+       /* Enable receive */
+       mac1 = lpe_read_4(sc, LPE_MAC1);
+       lpe_write_4(sc, LPE_MAC1, /*mac1 |*/ LPE_MAC1_RXENABLE | 
LPE_MAC1_PASSALL);
+
+       lpe_write_4(sc, LPE_MAC2, LPE_MAC2_CRCENABLE | LPE_MAC2_PADCRCENABLE |
+           LPE_MAC2_FULLDUPLEX);
+
+       lpe_write_4(sc, LPE_MCFG, LPE_MCFG_CLKSEL(7));
+
+       /* Set up Rx filter */
+       lpe_set_rxmode(sc);
+
+       /* Enable interrupts */
+       lpe_write_4(sc, LPE_INTENABLE, LPE_INT_RXOVERRUN | LPE_INT_RXERROR |
+           LPE_INT_RXFINISH | LPE_INT_RXDONE | LPE_INT_TXUNDERRUN | 
+           LPE_INT_TXERROR | LPE_INT_TXFINISH | LPE_INT_TXDONE);
+
+       sc->lpe_cdata.lpe_tx_prod = 0;
+       sc->lpe_cdata.lpe_tx_last = 0;
+       sc->lpe_cdata.lpe_tx_used = 0;
+
+       lpe_init_rx(sc);
+
+       /* Initialize Rx packet and status descriptor heads */
+       lpe_write_4(sc, LPE_RXDESC, sc->lpe_rdata.lpe_rx_ring_phys);
+       lpe_write_4(sc, LPE_RXSTATUS, sc->lpe_rdata.lpe_rx_status_phys);
+       lpe_write_4(sc, LPE_RXDESC_NUMBER, LPE_RXDESC_NUM - 1);
+       lpe_write_4(sc, LPE_RXDESC_CONS, 0);
+
+       /* Initialize Tx packet and status descriptor heads */
+       lpe_write_4(sc, LPE_TXDESC, sc->lpe_rdata.lpe_tx_ring_phys);
+       lpe_write_4(sc, LPE_TXSTATUS, sc->lpe_rdata.lpe_tx_status_phys);
+       lpe_write_4(sc, LPE_TXDESC_NUMBER, LPE_TXDESC_NUM - 1);
+       lpe_write_4(sc, LPE_TXDESC_PROD, 0);
+
+       ifp->if_drv_flags |= IFF_DRV_RUNNING;
+       ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+
+       callout_reset(&sc->lpe_tick, hz, lpe_tick, sc);
+}
+
+static void
+lpe_start(struct ifnet *ifp)
+{
+       struct lpe_softc *sc = (struct lpe_softc *)ifp->if_softc;
+
+       lpe_lock(sc);
+       lpe_start_locked(ifp);
+       lpe_unlock(sc);
+}
+
+static void
+lpe_start_locked(struct ifnet *ifp)
+{
+       struct lpe_softc *sc = (struct lpe_softc *)ifp->if_softc;
+       struct mbuf *m_head;
+       int encap = 0;
+
+       lpe_lock_assert(sc);
+
+       while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) {
+               if (lpe_read_4(sc, LPE_TXDESC_PROD) ==
+                   lpe_read_4(sc, LPE_TXDESC_CONS) - 5)
+                       break;
+
+               /* Dequeue first packet */
+               IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
+               if (!m_head)
+                       break;
+
+               lpe_encap(sc, &m_head);
+
+               encap++;
+       }
+
+       /* Submit new descriptor list */
+       if (encap) {
+               lpe_write_4(sc, LPE_TXDESC_PROD, sc->lpe_cdata.lpe_tx_prod);
+               sc->lpe_watchdog_timer = 5;
+       }
+       
+}
+
+static int
+lpe_encap(struct lpe_softc *sc, struct mbuf **m_head)
+{
+       struct lpe_txdesc *txd;
+       struct lpe_hwdesc *hwd;
+       bus_dma_segment_t segs[LPE_MAXFRAGS];
+       int i, err, nsegs, prod;
+
+       lpe_lock_assert(sc);
+       M_ASSERTPKTHDR((*m_head));
+
+       prod = sc->lpe_cdata.lpe_tx_prod;
+       txd = &sc->lpe_cdata.lpe_tx_desc[prod];
+
+       debugf("starting with prod=%d\n", prod);
+
+       err = bus_dmamap_load_mbuf_sg(sc->lpe_cdata.lpe_tx_buf_tag,
+           txd->lpe_txdesc_dmamap, *m_head, segs, &nsegs, BUS_DMA_NOWAIT);
+
+       if (err)
+               return (err);
+
+       if (nsegs == 0) {
+               m_freem(*m_head);
+               *m_head = NULL;
+               return (EIO);
+       }
+
+        bus_dmamap_sync(sc->lpe_cdata.lpe_tx_buf_tag, txd->lpe_txdesc_dmamap,
+          BUS_DMASYNC_PREREAD);
+        bus_dmamap_sync(sc->lpe_cdata.lpe_tx_ring_tag, 
sc->lpe_cdata.lpe_tx_ring_map,
+            BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
+
+       txd->lpe_txdesc_first = 1;
+       txd->lpe_txdesc_mbuf = *m_head;
+
+       for (i = 0; i < nsegs; i++) {
+               hwd = &sc->lpe_rdata.lpe_tx_ring[prod];
+               hwd->lhr_data = segs[i].ds_addr;
+               hwd->lhr_control = segs[i].ds_len - 1;
+
+               if (i == nsegs - 1) {
+                       hwd->lhr_control |= LPE_HWDESC_LASTFLAG;
+                       hwd->lhr_control |= LPE_HWDESC_INTERRUPT;
+                       hwd->lhr_control |= LPE_HWDESC_CRC;
+                       hwd->lhr_control |= LPE_HWDESC_PAD;
+               }
+
+               LPE_INC(prod, LPE_TXDESC_NUM);
+       }
+
+       bus_dmamap_sync(sc->lpe_cdata.lpe_tx_ring_tag, 
sc->lpe_cdata.lpe_tx_ring_map,
+           BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
+
+       sc->lpe_cdata.lpe_tx_used += nsegs;
+       sc->lpe_cdata.lpe_tx_prod = prod;
+
+       return (0);
+}
+
+static void
+lpe_stop(struct lpe_softc *sc)
+{
+       lpe_lock(sc);
+       lpe_stop_locked(sc);
+       lpe_unlock(sc);
+}
+
+static void
+lpe_stop_locked(struct lpe_softc *sc)
+{
+       lpe_lock_assert(sc);
+
+       callout_stop(&sc->lpe_tick);
+
+       /* Disable interrupts */
+       lpe_write_4(sc, LPE_INTCLEAR, 0xffffffff);
+
+       /* Stop EMAC */
+       lpe_write_4(sc, LPE_MAC1, 0);
+       lpe_write_4(sc, LPE_MAC2, 0);
+       lpe_write_4(sc, LPE_COMMAND, 0);
+
+       sc->lpe_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
+       sc->lpe_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
+}
+
+static int
+lpe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
+{
+       struct lpe_softc *sc = ifp->if_softc;
+       struct mii_data *mii = device_get_softc(sc->lpe_miibus);
+       struct ifreq *ifr = (struct ifreq *)data;
+       int err = 0;
+
+       switch (cmd) {
+       case SIOCSIFFLAGS:
+               lpe_lock(sc);
+               if (ifp->if_flags & IFF_UP) {
+                       if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
+                               lpe_set_rxmode(sc);
+                               lpe_set_rxfilter(sc);
+                       } else
+                               lpe_init_locked(sc);
+               } else
+                       lpe_stop(sc);
+               lpe_unlock(sc);
+               break;
+       case SIOCADDMULTI:
+       case SIOCDELMULTI:
+               if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
+                       lpe_lock(sc);
+                       lpe_set_rxfilter(sc);
+                       lpe_unlock(sc);
+               }
+               break;
+       case SIOCGIFMEDIA:
+       case SIOCSIFMEDIA:
+               err = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
+               break;
+       default:
+               err = ether_ioctl(ifp, cmd, data);
+               break;
+       }
+
+       return (err);
+}
+
+static void lpe_set_rxmode(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+       uint32_t rxfilt;
+
+       rxfilt = LPE_RXFILTER_UNIHASH | LPE_RXFILTER_MULTIHASH | 
LPE_RXFILTER_PERFECT;
+
+       if (ifp->if_flags & IFF_BROADCAST)
+               rxfilt |= LPE_RXFILTER_BROADCAST;
+
+       if (ifp->if_flags & IFF_PROMISC)
+               rxfilt |= LPE_RXFILTER_UNICAST | LPE_RXFILTER_MULTICAST;
+
+       if (ifp->if_flags & IFF_ALLMULTI)
+               rxfilt |= LPE_RXFILTER_MULTICAST;
+
+       lpe_write_4(sc, LPE_RXFILTER_CTRL, rxfilt);
+}
+
+static void lpe_set_rxfilter(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+       struct ifmultiaddr *ifma;
+       int index;
+       uint32_t hashl, hashh;
+
+       hashl = 0;
+       hashh = 0;
+
+       if_maddr_rlock(ifp);
+       TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
+               if (ifma->ifma_addr->sa_family != AF_LINK)
+                       continue;
+
+               index = ether_crc32_be(LLADDR((struct sockaddr_dl *)
+                   ifma->ifma_addr), ETHER_ADDR_LEN) >> 23 & 0x3f;
+
+               if (index > 31)
+                       hashh |= (1 << (index - 32));
+               else
+                       hashl |= (1 << index);
+       }
+       if_maddr_runlock(ifp);
+
+       /* Program new hash filter */
+       lpe_write_4(sc, LPE_HASHFILTER_L, hashl);
+       lpe_write_4(sc, LPE_HASHFILTER_H, hashh);
+}
+
+static void
+lpe_intr(void *arg)
+{
+       struct lpe_softc *sc = (struct lpe_softc *)arg;
+       uint32_t intstatus;
+
+       debugf("status=0x%08x\n", lpe_read_4(sc, LPE_INTSTATUS));
+
+       lpe_lock(sc);
+
+       while ((intstatus = lpe_read_4(sc, LPE_INTSTATUS))) {
+               if (intstatus & LPE_INT_RXDONE)
+                       lpe_rxintr(sc);
+
+               if (intstatus & LPE_INT_TXDONE)
+                       lpe_txintr(sc);
+       
+               lpe_write_4(sc, LPE_INTCLEAR, 0xffff);
+       }
+
+       lpe_unlock(sc);
+}
+
+static void
+lpe_rxintr(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+       struct lpe_hwdesc *hwd;
+       struct lpe_hwstatus *hws;
+       struct lpe_rxdesc *rxd;
+       struct mbuf *m;
+       int prod, cons;
+
+       for (;;) {
+               prod = lpe_read_4(sc, LPE_RXDESC_PROD);
+               cons = lpe_read_4(sc, LPE_RXDESC_CONS);
+               
+               if (prod == cons)
+                       break;
+
+               rxd = &sc->lpe_cdata.lpe_rx_desc[cons];
+               hwd = &sc->lpe_rdata.lpe_rx_ring[cons];
+               hws = &sc->lpe_rdata.lpe_rx_status[cons];
+
+               /* Check received frame for errors */
+               if (hws->lhs_info & LPE_HWDESC_RXERRS) {
+                       if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
+                       lpe_discard_rxbuf(sc, cons);
+                       lpe_init_rxbuf(sc, cons);
+                       goto skip;
+               }
+
+               m = rxd->lpe_rxdesc_mbuf;
+               m->m_pkthdr.rcvif = ifp;
+               m->m_data += 2;
+
+               if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
+
+               lpe_unlock(sc);
+               (*ifp->if_input)(ifp, m);       
+               lpe_lock(sc);
+
+               lpe_init_rxbuf(sc, cons);
+skip:
+               LPE_INC(cons, LPE_RXDESC_NUM);
+               lpe_write_4(sc, LPE_RXDESC_CONS, cons);
+       }
+}
+
+static void
+lpe_txintr(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+       struct lpe_hwdesc *hwd;
+       struct lpe_hwstatus *hws;
+       struct lpe_txdesc *txd;
+       int cons, last;
+
+       for (;;) {
+               cons = lpe_read_4(sc, LPE_TXDESC_CONS);
+               last = sc->lpe_cdata.lpe_tx_last;
+               
+               if (cons == last)
+                       break;
+
+               txd = &sc->lpe_cdata.lpe_tx_desc[last];
+               hwd = &sc->lpe_rdata.lpe_tx_ring[last];
+               hws = &sc->lpe_rdata.lpe_tx_status[last];
+
+               bus_dmamap_sync(sc->lpe_cdata.lpe_tx_buf_tag,
+                   txd->lpe_txdesc_dmamap, BUS_DMASYNC_POSTWRITE);
+
+               if_inc_counter(ifp, IFCOUNTER_COLLISIONS, 
LPE_HWDESC_COLLISIONS(hws->lhs_info));
+
+               if (hws->lhs_info & LPE_HWDESC_TXERRS)
+                       if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
+               else
+                       if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
+
+               if (txd->lpe_txdesc_first) {
+                       bus_dmamap_unload(sc->lpe_cdata.lpe_tx_buf_tag,
+                           txd->lpe_txdesc_dmamap);    
+
+                       m_freem(txd->lpe_txdesc_mbuf);
+                       txd->lpe_txdesc_mbuf = NULL;
+                       txd->lpe_txdesc_first = 0;
+               }
+
+               sc->lpe_cdata.lpe_tx_used--;
+               LPE_INC(sc->lpe_cdata.lpe_tx_last, LPE_TXDESC_NUM);
+       }
+
+       if (!sc->lpe_cdata.lpe_tx_used)
+               sc->lpe_watchdog_timer = 0;
+}
+
+static void
+lpe_tick(void *arg)
+{
+       struct lpe_softc *sc = (struct lpe_softc *)arg;
+       struct mii_data *mii = device_get_softc(sc->lpe_miibus);
+
+       lpe_lock_assert(sc);
+       
+       mii_tick(mii);
+       lpe_watchdog(sc);
+
+       callout_reset(&sc->lpe_tick, hz, lpe_tick, sc);
+}
+
+static void
+lpe_watchdog(struct lpe_softc *sc)
+{
+       struct ifnet *ifp = sc->lpe_ifp;
+
+       lpe_lock_assert(sc);
+
+       if (sc->lpe_watchdog_timer == 0 || sc->lpe_watchdog_timer--)
+               return;
+
+       /* Chip has stopped responding */
+       device_printf(sc->lpe_dev, "WARNING: chip hangup, restarting...\n");
+       lpe_stop_locked(sc);
+       lpe_init_locked(sc);
+
+       /* Try to resend packets */
+       if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
+               lpe_start_locked(ifp);
+}
+
+static int
+lpe_dma_alloc(struct lpe_softc *sc)
+{
+       int err;
+
+       /* Create parent DMA tag */
+       err = bus_dma_tag_create(
+           bus_get_dma_tag(sc->lpe_dev),
+           1, 0,                       /* alignment, boundary */
+           BUS_SPACE_MAXADDR_32BIT,    /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           BUS_SPACE_MAXSIZE_32BIT, 0, /* maxsize, nsegments */
+           BUS_SPACE_MAXSIZE_32BIT, 0, /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_parent_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create parent DMA tag\n");
+               return (err);
+       }
+
+       err = lpe_dma_alloc_rx(sc);
+       if (err)
+               return (err);
+
+       err = lpe_dma_alloc_tx(sc);
+       if (err)
+               return (err);
+
+       return (0);
+}
+
+static int
+lpe_dma_alloc_rx(struct lpe_softc *sc)
+{
+       struct lpe_rxdesc *rxd;
+       struct lpe_dmamap_arg ctx;
+       int err, i;
+
+       /* Create tag for Rx ring */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           LPE_RXDESC_SIZE, 1,         /* maxsize, nsegments */
+           LPE_RXDESC_SIZE, 0,         /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_rx_ring_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Rx ring DMA tag\n");
+               goto fail;
+       }
+
+       /* Create tag for Rx status ring */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           LPE_RXSTATUS_SIZE, 1,       /* maxsize, nsegments */
+           LPE_RXSTATUS_SIZE, 0,       /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_rx_status_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Rx status ring DMA 
tag\n");
+               goto fail;
+       }
+
+       /* Create tag for Rx buffers */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           MCLBYTES * LPE_RXDESC_NUM,  /* maxsize */
+           LPE_RXDESC_NUM,             /* segments */
+           MCLBYTES, 0,                /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_rx_buf_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Rx buffers DMA 
tag\n");
+               goto fail;
+       }
+
+       /* Allocate Rx DMA ring */
+       err = bus_dmamem_alloc(sc->lpe_cdata.lpe_rx_ring_tag,
+           (void **)&sc->lpe_rdata.lpe_rx_ring, BUS_DMA_WAITOK | 
BUS_DMA_COHERENT |
+           BUS_DMA_ZERO, &sc->lpe_cdata.lpe_rx_ring_map);
+
+       err = bus_dmamap_load(sc->lpe_cdata.lpe_rx_ring_tag, 
+           sc->lpe_cdata.lpe_rx_ring_map, sc->lpe_rdata.lpe_rx_ring,
+           LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0);
+
+       sc->lpe_rdata.lpe_rx_ring_phys = ctx.lpe_dma_busaddr;
+
+       /* Allocate Rx status ring */
+       err = bus_dmamem_alloc(sc->lpe_cdata.lpe_rx_status_tag,
+           (void **)&sc->lpe_rdata.lpe_rx_status, BUS_DMA_WAITOK | 
BUS_DMA_COHERENT |
+           BUS_DMA_ZERO, &sc->lpe_cdata.lpe_rx_status_map);
+
+       err = bus_dmamap_load(sc->lpe_cdata.lpe_rx_status_tag, 
+           sc->lpe_cdata.lpe_rx_status_map, sc->lpe_rdata.lpe_rx_status,
+           LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0);
+
+       sc->lpe_rdata.lpe_rx_status_phys = ctx.lpe_dma_busaddr;
+
+
+       /* Create Rx buffers DMA map */
+       for (i = 0; i < LPE_RXDESC_NUM; i++) {
+               rxd = &sc->lpe_cdata.lpe_rx_desc[i];
+               rxd->lpe_rxdesc_mbuf = NULL;
+               rxd->lpe_rxdesc_dmamap = NULL;
+
+               err = bus_dmamap_create(sc->lpe_cdata.lpe_rx_buf_tag, 0,
+                   &rxd->lpe_rxdesc_dmamap);
+
+               if (err) {
+                       device_printf(sc->lpe_dev, "cannot create Rx DMA 
map\n");
+                       return (err);
+               }
+       }
+
+       return (0);
+fail:
+       return (err);
+}
+
+static int
+lpe_dma_alloc_tx(struct lpe_softc *sc)
+{
+       struct lpe_txdesc *txd;
+       struct lpe_dmamap_arg ctx;
+       int err, i;
+
+       /* Create tag for Tx ring */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           LPE_TXDESC_SIZE, 1,         /* maxsize, nsegments */
+           LPE_TXDESC_SIZE, 0,         /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_tx_ring_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Tx ring DMA tag\n");
+               goto fail;
+       }
+
+       /* Create tag for Tx status ring */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           LPE_TXSTATUS_SIZE, 1,       /* maxsize, nsegments */
+           LPE_TXSTATUS_SIZE, 0,       /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_tx_status_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Tx status ring DMA 
tag\n");
+               goto fail;
+       }
+
+       /* Create tag for Tx buffers */
+       err = bus_dma_tag_create(
+           sc->lpe_cdata.lpe_parent_tag,
+           LPE_DESC_ALIGN, 0,          /* alignment, boundary */
+           BUS_SPACE_MAXADDR,          /* lowaddr */
+           BUS_SPACE_MAXADDR,          /* highaddr */
+           NULL, NULL,                 /* filter, filterarg */
+           MCLBYTES * LPE_TXDESC_NUM,  /* maxsize */
+           LPE_TXDESC_NUM,             /* segments */
+           MCLBYTES, 0,                /* maxsegsize, flags */
+           NULL, NULL,                 /* lockfunc, lockarg */
+           &sc->lpe_cdata.lpe_tx_buf_tag);
+
+       if (err) {
+               device_printf(sc->lpe_dev, "cannot create Tx buffers DMA 
tag\n");
+               goto fail;
+       }
+
+       /* Allocate Tx DMA ring */
+       err = bus_dmamem_alloc(sc->lpe_cdata.lpe_tx_ring_tag,
+           (void **)&sc->lpe_rdata.lpe_tx_ring, BUS_DMA_WAITOK | 
BUS_DMA_COHERENT |
+           BUS_DMA_ZERO, &sc->lpe_cdata.lpe_tx_ring_map);
+
+       err = bus_dmamap_load(sc->lpe_cdata.lpe_tx_ring_tag, 
+           sc->lpe_cdata.lpe_tx_ring_map, sc->lpe_rdata.lpe_tx_ring,
+           LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0);
+
+       sc->lpe_rdata.lpe_tx_ring_phys = ctx.lpe_dma_busaddr;
+
+       /* Allocate Tx status ring */
+       err = bus_dmamem_alloc(sc->lpe_cdata.lpe_tx_status_tag,
+           (void **)&sc->lpe_rdata.lpe_tx_status, BUS_DMA_WAITOK | 
BUS_DMA_COHERENT |
+           BUS_DMA_ZERO, &sc->lpe_cdata.lpe_tx_status_map);
+
+       err = bus_dmamap_load(sc->lpe_cdata.lpe_tx_status_tag, 
+           sc->lpe_cdata.lpe_tx_status_map, sc->lpe_rdata.lpe_tx_status,
+           LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0);
+
+       sc->lpe_rdata.lpe_tx_status_phys = ctx.lpe_dma_busaddr;
+
+
+       /* Create Tx buffers DMA map */
+       for (i = 0; i < LPE_TXDESC_NUM; i++) {
+               txd = &sc->lpe_cdata.lpe_tx_desc[i];
+               txd->lpe_txdesc_mbuf = NULL;
+               txd->lpe_txdesc_dmamap = NULL;
+               txd->lpe_txdesc_first = 0;
+
+               err = bus_dmamap_create(sc->lpe_cdata.lpe_tx_buf_tag, 0,
+                   &txd->lpe_txdesc_dmamap);
+
+               if (err) {
+                       device_printf(sc->lpe_dev, "cannot create Tx DMA 
map\n");
+                       return (err);
+               }
+       }
+
+       return (0);
+fail:
+       return (err);
+}
+
+static int
+lpe_init_rx(struct lpe_softc *sc)
+{
+       int i, err;
+
+       for (i = 0; i < LPE_RXDESC_NUM; i++) {
+               err = lpe_init_rxbuf(sc, i);
+               if (err)
+                       return (err);
+       }
+
+       return (0);
+}
+
+static int
+lpe_init_rxbuf(struct lpe_softc *sc, int n)
+{
+       struct lpe_rxdesc *rxd;
+       struct lpe_hwdesc *hwd;
+       struct lpe_hwstatus *hws;
+       struct mbuf *m;
+       bus_dma_segment_t segs[1];
+       int nsegs;
+
+       rxd = &sc->lpe_cdata.lpe_rx_desc[n];
+       hwd = &sc->lpe_rdata.lpe_rx_ring[n];
+       hws = &sc->lpe_rdata.lpe_rx_status[n];
+       m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
+
+       if (!m) {
+               device_printf(sc->lpe_dev, "WARNING: mbufs exhausted!\n");
+               return (ENOBUFS);
+       }
+
+       m->m_len = m->m_pkthdr.len = MCLBYTES;
+
+       bus_dmamap_unload(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap);
+
+       if (bus_dmamap_load_mbuf_sg(sc->lpe_cdata.lpe_rx_buf_tag, 
+           rxd->lpe_rxdesc_dmamap, m, segs, &nsegs, 0)) {
+               m_freem(m);
+               return (ENOBUFS);
+       }
+
+       bus_dmamap_sync(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap, 
+           BUS_DMASYNC_PREREAD);
+
+       rxd->lpe_rxdesc_mbuf = m;
+       hwd->lhr_data = segs[0].ds_addr + 2;
+       hwd->lhr_control = (segs[0].ds_len - 1) | LPE_HWDESC_INTERRUPT;
+
+       return (0);
+}
+
+static void
+lpe_discard_rxbuf(struct lpe_softc *sc, int n)
+{
+       struct lpe_rxdesc *rxd;
+       struct lpe_hwdesc *hwd;
+
+       rxd = &sc->lpe_cdata.lpe_rx_desc[n];
+       hwd = &sc->lpe_rdata.lpe_rx_ring[n];
+
+       bus_dmamap_unload(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap);
+
+       hwd->lhr_data = 0;
+       hwd->lhr_control = 0;
+
+       if (rxd->lpe_rxdesc_mbuf) {
+               m_freem(rxd->lpe_rxdesc_mbuf); 
+               rxd->lpe_rxdesc_mbuf = NULL;
+       }
+}
+
+static void
+lpe_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
+{
+       struct lpe_dmamap_arg *ctx;
+
+       if (error)
+               return;
+
+       ctx = (struct lpe_dmamap_arg *)arg;
+       ctx->lpe_dma_busaddr = segs[0].ds_addr;
+}
+
+static int
+lpe_ifmedia_upd(struct ifnet *ifp)
+{
+       return (0);
+}
+
+static void
+lpe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
+{
+       struct lpe_softc *sc = ifp->if_softc;
+       struct mii_data *mii = device_get_softc(sc->lpe_miibus);
+
+       lpe_lock(sc);
+       mii_pollstat(mii);
+       ifmr->ifm_active = mii->mii_media_active;
+       ifmr->ifm_status = mii->mii_media_status;
+       lpe_unlock(sc);
+}
+
+static device_method_t lpe_methods[] = {
+       /* Device interface */
+       DEVMETHOD(device_probe,         lpe_probe),
+       DEVMETHOD(device_attach,        lpe_attach),
+       DEVMETHOD(device_detach,        lpe_detach),
+
+       /* Bus interface */
+       DEVMETHOD(bus_print_child,      bus_generic_print_child),
+
+       /* MII interface */
+       DEVMETHOD(miibus_readreg,       lpe_miibus_readreg),
+       DEVMETHOD(miibus_writereg,      lpe_miibus_writereg),
+       DEVMETHOD(miibus_statchg,       lpe_miibus_statchg),
+       { 0, 0 }
+};
+
+static driver_t lpe_driver = {
+       "lpe",
+       lpe_methods,
+       sizeof(struct lpe_softc),
+};
+
+static devclass_t lpe_devclass;
+
+DRIVER_MODULE(lpe, simplebus, lpe_driver, lpe_devclass, 0, 0);
+DRIVER_MODULE(miibus, lpe, miibus_driver, miibus_devclass, 0, 0);
+MODULE_DEPEND(lpe, obio, 1, 1, 1);
+MODULE_DEPEND(lpe, miibus, 1, 1, 1);
+MODULE_DEPEND(lpe, ether, 1, 1, 1);
diff --git a/freebsd/sys/arm/lpc/if_lpereg.h b/freebsd/sys/arm/lpc/if_lpereg.h
new file mode 100644
index 0000000..8e1512b
--- /dev/null
+++ b/freebsd/sys/arm/lpc/if_lpereg.h
@@ -0,0 +1,208 @@
+/*-
+ * Copyright (c) 2011 Jakub Wojciech Klama <jc...@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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef        _ARM_LPC_IF_LPEREG_H
+#define        _ARM_LPC_IF_LPEREG_H
+
+#define        LPE_MAC1                0x000
+#define        LPE_MAC1_RXENABLE       (1 << 0)
+#define        LPE_MAC1_PASSALL        (1 << 1)
+#define        LPE_MAC1_RXFLOWCTRL     (1 << 2)
+#define        LPE_MAC1_TXFLOWCTRL     (1 << 3)
+#define        LPE_MAC1_LOOPBACK       (1 << 4)
+#define        LPE_MAC1_RESETTX        (1 << 8)
+#define        LPE_MAC1_RESETMCSTX     (1 << 9)
+#define        LPE_MAC1_RESETRX        (1 << 10)
+#define        LPE_MAC1_RESETMCSRX     (1 << 11)
+#define        LPE_MAC1_SIMRESET       (1 << 14)
+#define        LPE_MAC1_SOFTRESET      (1 << 15)
+#define        LPE_MAC2                0x004
+#define        LPE_MAC2_FULLDUPLEX     (1 << 0)
+#define        LPE_MAC2_FRAMELENCHECK  (1 << 1)
+#define        LPE_MAC2_HUGEFRAME      (1 << 2)
+#define        LPE_MAC2_DELAYEDCRC     (1 << 3)
+#define        LPE_MAC2_CRCENABLE      (1 << 4)
+#define        LPE_MAC2_PADCRCENABLE   (1 << 5)
+#define        LPE_MAC2_VLANPADENABLE  (1 << 6)
+#define        LPE_MAC2_AUTOPADENABLE  (1 << 7)
+#define        LPE_MAC2_PUREPREAMBLE   (1 << 8)
+#define        LPE_MAC2_LONGPREAMBLE   (1 << 9)
+#define        LPE_MAC2_NOBACKOFF      (1 << 12)
+#define        LPE_MAC2_BACKPRESSURE   (1 << 13)
+#define        LPE_MAC2_EXCESSDEFER    (1 << 14)
+#define        LPE_IPGT                0x008
+#define        LPE_IPGR                0x00c
+#define        LPE_CLRT                0x010
+#define        LPE_MAXF                0x014
+#define        LPE_SUPP                0x018
+#define        LPE_SUPP_SPEED          (1 << 8)
+#define        LPE_TEST                0x01c
+#define        LPE_MCFG                0x020
+#define        LPE_MCFG_SCANINCR       (1 << 0)
+#define        LPE_MCFG_SUPPREAMBLE    (1 << 1)
+#define        LPE_MCFG_CLKSEL(_n)     ((_n & 0x7) << 2)
+#define        LPC_MCFG_RESETMII       (1 << 15)
+#define        LPE_MCMD                0x024
+#define        LPE_MCMD_READ           (1 << 0)
+#define        LPE_MCMD_WRITE          (0 << 0)
+#define        LPE_MCMD_SCAN           (1 << 1)
+#define        LPE_MADR                0x028
+#define        LPE_MADR_REGMASK        0x1f
+#define        LPE_MADR_REGSHIFT       0
+#define        LPE_MADR_PHYMASK        0x1f
+#define        LPE_MADR_PHYSHIFT       8
+#define        LPE_MWTD                0x02c
+#define        LPE_MWTD_DATAMASK       0xffff
+#define        LPE_MRDD                0x030
+#define        LPE_MRDD_DATAMASK       0xffff
+#define        LPE_MIND                0x034
+#define        LPE_MIND_BUSY           (1 << 0)
+#define        LPE_MIND_SCANNING       (1 << 1)
+#define        LPE_MIND_INVALID        (1 << 2)
+#define        LPE_MIND_MIIFAIL        (1 << 3)
+#define        LPE_SA0                 0x040
+#define        LPE_SA1                 0x044
+#define        LPE_SA2                 0x048
+#define        LPE_COMMAND             0x100
+#define        LPE_COMMAND_RXENABLE    (1 << 0)
+#define        LPE_COMMAND_TXENABLE    (1 << 1)
+#define        LPE_COMMAND_REGRESET    (1 << 3)
+#define        LPE_COMMAND_TXRESET     (1 << 4)
+#define        LPE_COMMAND_RXRESET     (1 << 5)
+#define        LPE_COMMAND_PASSRUNTFRAME       (1 << 6)
+#define        LPE_COMMAND_PASSRXFILTER        (1 << 7)
+#define        LPE_COMMAND_TXFLOWCTL           (1 << 8)
+#define        LPE_COMMAND_RMII                (1 << 9)
+#define        LPE_COMMAND_FULLDUPLEX          (1 << 10)
+#define        LPE_STATUS              0x104
+#define        LPE_STATUS_RXACTIVE             (1 << 0)
+#define        LPE_STATUS_TXACTIVE             (1 << 1)
+#define        LPE_RXDESC              0x108
+#define        LPE_RXSTATUS            0x10c
+#define        LPE_RXDESC_NUMBER       0x110
+#define        LPE_RXDESC_PROD         0x114
+#define        LPE_RXDESC_CONS         0x118
+#define        LPE_TXDESC              0x11c
+#define        LPE_TXSTATUS            0x120
+#define        LPE_TXDESC_NUMBER       0x124
+#define        LPE_TXDESC_PROD         0x128
+#define        LPE_TXDESC_CONS         0x12c
+#define        LPE_TSV0                0x158
+#define        LPE_TSV1                0x15c
+#define        LPE_RSV                 0x160
+#define        LPE_FLOWCONTROL_COUNTER 0x170
+#define        LPE_FLOWCONTROL_STATUS  0x174
+#define        LPE_RXFILTER_CTRL       0x200
+#define        LPE_RXFILTER_UNICAST    (1 << 0)
+#define        LPE_RXFILTER_BROADCAST  (1 << 1)
+#define LPE_RXFILTER_MULTICAST (1 << 2)
+#define        LPE_RXFILTER_UNIHASH    (1 << 3)
+#define        LPE_RXFILTER_MULTIHASH  (1 << 4)
+#define        LPE_RXFILTER_PERFECT    (1 << 5)
+#define        LPE_RXFILTER_WOL        (1 << 12)
+#define        LPE_RXFILTER_FILTWOL    (1 << 13)
+#define        LPE_RXFILTER_WOL_STATUS 0x204
+#define        LPE_RXFILTER_WOL_CLEAR  0x208
+#define        LPE_HASHFILTER_L        0x210
+#define        LPE_HASHFILTER_H        0x214
+#define        LPE_INTSTATUS           0xfe0
+#define        LPE_INTENABLE           0xfe4
+#define        LPE_INTCLEAR            0xfe8
+#define        LPE_INTSET              0xfec
+#define        LPE_INT_RXOVERRUN       (1 << 0)
+#define        LPE_INT_RXERROR         (1 << 1)
+#define        LPE_INT_RXFINISH        (1 << 2)
+#define        LPE_INT_RXDONE          (1 << 3)
+#define        LPE_INT_TXUNDERRUN      (1 << 4)
+#define        LPE_INT_TXERROR         (1 << 5)
+#define        LPE_INT_TXFINISH        (1 << 6)
+#define        LPE_INT_TXDONE          (1 << 7)
+#define        LPE_INT_SOFTINT         (1 << 12)
+#define        LPE_INTWAKEUPINT        (1 << 13)
+#define        LPE_POWERDOWN           0xff4
+
+#define        LPE_DESC_ALIGN          8
+#define        LPE_TXDESC_NUM          128
+#define        LPE_RXDESC_NUM          128
+#define        LPE_TXDESC_SIZE         (LPE_TXDESC_NUM * sizeof(struct 
lpe_hwdesc))
+#define        LPE_RXDESC_SIZE         (LPE_RXDESC_NUM * sizeof(struct 
lpe_hwdesc))
+#define        LPE_TXSTATUS_SIZE       (LPE_TXDESC_NUM * sizeof(struct 
lpe_hwstatus))
+#define        LPE_RXSTATUS_SIZE       (LPE_RXDESC_NUM * sizeof(struct 
lpe_hwstatus))
+#define        LPE_MAXFRAGS            8
+
+struct lpe_hwdesc {
+       uint32_t        lhr_data;
+       uint32_t        lhr_control;
+};
+
+struct lpe_hwstatus {
+       uint32_t        lhs_info;
+       uint32_t        lhs_crc;
+};
+
+#define        LPE_INC(x, y)           (x) = ((x) == ((y)-1)) ? 0 : (x)+1
+
+/* These are valid for both Rx and Tx descriptors */
+#define        LPE_HWDESC_SIZE_MASK    (1 << 10)
+#define        LPE_HWDESC_INTERRUPT    (1U << 31)
+
+/* These are valid for Tx descriptors */
+#define        LPE_HWDESC_LAST         (1 << 30)
+#define        LPE_HWDESC_CRC          (1 << 29)
+#define        LPE_HWDESC_PAD          (1 << 28)
+#define        LPE_HWDESC_HUGE         (1 << 27)
+#define        LPE_HWDESC_OVERRIDE     (1 << 26)
+
+/* These are valid for Tx status descriptors */
+#define        LPE_HWDESC_COLLISIONS(_n) (((_n) >> 21) & 0x7)
+#define        LPE_HWDESC_DEFER        (1 << 25)
+#define        LPE_HWDESC_EXCDEFER     (1 << 26)
+#define        LPE_HWDESC_EXCCOLL      (1 << 27)
+#define        LPE_HWDESC_LATECOLL     (1 << 28)
+#define        LPE_HWDESC_UNDERRUN     (1 << 29)
+#define        LPE_HWDESC_TXNODESCR    (1 << 30)
+#define        LPE_HWDESC_ERROR        (1U << 31)
+
+/* These are valid for Rx status descriptors */
+#define        LPE_HWDESC_CONTROL      (1 << 18)
+#define        LPE_HWDESC_VLAN         (1 << 19)
+#define        LPE_HWDESC_FAILFILTER   (1 << 20)
+#define        LPE_HWDESC_MULTICAST    (1 << 21)
+#define        LPE_HWDESC_BROADCAST    (1 << 22)
+#define        LPE_HWDESC_CRCERROR     (1 << 23)
+#define        LPE_HWDESC_SYMBOLERROR  (1 << 24)
+#define        LPE_HWDESC_LENGTHERROR  (1 << 25)
+#define        LPE_HWDESC_RANGEERROR   (1 << 26)
+#define        LPE_HWDESC_ALIGNERROR   (1 << 27)
+#define        LPE_HWDESC_OVERRUN      (1 << 28)
+#define        LPE_HWDESC_RXNODESCR    (1 << 29)
+#define        LPE_HWDESC_LASTFLAG     (1 << 30)
+#define        LPE_HWDESC_ERROR        (1U << 31)
+
+
+#endif /* _ARM_LPC_IF_LPEREG_H */
diff --git a/freebsd/sys/arm/lpc/lpc_pwr.c b/freebsd/sys/arm/lpc/lpc_pwr.c
new file mode 100644
index 0000000..0ea8c6a
--- /dev/null
+++ b/freebsd/sys/arm/lpc/lpc_pwr.c
@@ -0,0 +1,131 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*-
+ * Copyright (c) 2011 Jakub Wojciech Klama <jc...@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 <rtems/bsd/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 <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/lpc/lpcreg.h>
+#include <arm/lpc/lpcvar.h>
+
+struct lpc_pwr_softc {
+       device_t                dp_dev;
+       struct resource *       dp_mem_res;
+       bus_space_tag_t         dp_bst;
+       bus_space_handle_t      dp_bsh;
+};
+
+static struct lpc_pwr_softc *lpc_pwr_sc = NULL;
+
+static int lpc_pwr_probe(device_t);
+static int lpc_pwr_attach(device_t);
+
+#define        lpc_pwr_read_4(_sc, _reg)                       \
+    bus_space_read_4((_sc)->dp_bst, (_sc)->dp_bsh, _reg)
+#define        lpc_pwr_write_4(_sc, _reg, _val)                \
+    bus_space_write_4((_sc)->dp_bst, (_sc)->dp_bsh, _reg, _val)
+
+static int
+lpc_pwr_probe(device_t dev)
+{
+       
+       if (!ofw_bus_status_okay(dev))
+               return (ENXIO);
+
+       if (!ofw_bus_is_compatible(dev, "lpc,pwr"))
+               return (ENXIO);
+
+       device_set_desc(dev, "LPC32x0 Power Controller");
+       return (BUS_PROBE_DEFAULT);
+}
+
+static int
+lpc_pwr_attach(device_t dev)
+{
+       struct lpc_pwr_softc *sc = device_get_softc(dev);
+       int rid;
+
+       sc->dp_dev = dev;
+
+       rid = 0;
+       sc->dp_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 
+           RF_ACTIVE);
+       if (!sc->dp_mem_res) {
+               device_printf(dev, "cannot allocate memory window\n");
+               return (ENXIO);
+       }
+
+       sc->dp_bst = rman_get_bustag(sc->dp_mem_res);
+       sc->dp_bsh = rman_get_bushandle(sc->dp_mem_res);
+
+       lpc_pwr_sc = sc;
+
+       return (0);
+}
+
+uint32_t
+lpc_pwr_read(device_t dev, int reg)
+{
+       return (lpc_pwr_read_4(lpc_pwr_sc, reg));
+}
+
+void
+lpc_pwr_write(device_t dev, int reg, uint32_t value)
+{
+       lpc_pwr_write_4(lpc_pwr_sc, reg, value);
+}
+
+static device_method_t lpc_pwr_methods[] = {
+       /* Device interface */
+       DEVMETHOD(device_probe,         lpc_pwr_probe),
+       DEVMETHOD(device_attach,        lpc_pwr_attach),
+       { 0, 0 }
+};
+
+static devclass_t lpc_pwr_devclass;
+
+static driver_t lpc_pwr_driver = {
+       "pwr",
+       lpc_pwr_methods,
+       sizeof(struct lpc_pwr_softc),
+};
+
+DRIVER_MODULE(pwr, simplebus, lpc_pwr_driver, lpc_pwr_devclass, 0, 0);
diff --git a/freebsd/sys/arm/lpc/lpcreg.h b/freebsd/sys/arm/lpc/lpcreg.h
new file mode 100644
index 0000000..b63dfbc
--- /dev/null
+++ b/freebsd/sys/arm/lpc/lpcreg.h
@@ -0,0 +1,665 @@
+/*-
+ * Copyright (c) 2011 Jakub Wojciech Klama <jc...@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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef        _ARM_LPC_LPCREG_H
+#define        _ARM_LPC_LPCREG_H
+
+#define        LPC_DEV_PHYS_BASE               0x40000000
+#define        LPC_DEV_P5_PHYS_BASE            0x20000000
+#define        LPC_DEV_P6_PHYS_BASE            0x30000000
+#define        LPC_DEV_SIZE                    0x10000000
+
+/*
+ * Interrupt controller (from UM10326: LPC32x0 User manual, page 87)
+
+ */
+#define        LPC_INTC_MIC_ER                 0x0000
+#define        LPC_INTC_MIC_RSR                0x0004
+#define        LPC_INTC_MIC_SR                 0x0008
+#define        LPC_INTC_MIC_APR                0x000c
+#define        LPC_INTC_MIC_ATR                0x0010
+#define        LPC_INTC_MIC_ITR                0x0014
+#define        LPC_INTC_SIC1_ER                0x4000
+#define        LPC_INTC_SIC1_RSR               0x4004
+#define        LPC_INTC_SIC1_SR                0x4008
+#define        LPC_INTC_SIC1_APR               0x400c
+#define        LPC_INTC_SIC1_ATR               0x4010
+#define        LPC_INTC_SIC1_ITR               0x4014
+#define        LPC_INTC_SIC2_ER                0x8000
+#define        LPC_INTC_SIC2_RSR               0x8004
+#define        LPC_INTC_SIC2_SR                0x8008
+#define        LPC_INTC_SIC2_APR               0x800c
+#define        LPC_INTC_SIC2_ATR               0x8010
+#define        LPC_INTC_SIC2_ITR               0x8014
+
+
+/*
+ * Timer 0|1|2|3|4|5. (from UM10326: LPC32x0 User manual, page 540)
+ */
+#define        LPC_TIMER_IR                    0x00
+#define        LPC_TIMER_TCR                   0x04
+#define        LPC_TIMER_TCR_ENABLE            (1 << 0)
+#define        LPC_TIMER_TCR_RESET             (1 << 1)
+#define        LPC_TIMER_TC                    0x08
+#define        LPC_TIMER_PR                    0x0c
+#define        LPC_TIMER_PC                    0x10
+#define        LPC_TIMER_MCR                   0x14
+#define        LPC_TIMER_MCR_MR0I              (1 << 0)
+#define        LPC_TIMER_MCR_MR0R              (1 << 1)
+#define        LPC_TIMER_MCR_MR0S              (1 << 2)
+#define        LPC_TIMER_MCR_MR1I              (1 << 3)
+#define        LPC_TIMER_MCR_MR1R              (1 << 4)
+#define        LPC_TIMER_MCR_MR1S              (1 << 5)
+#define        LPC_TIMER_MCR_MR2I              (1 << 6)
+#define        LPC_TIMER_MCR_MR2R              (1 << 7)
+#define        LPC_TIMER_MCR_MR2S              (1 << 8)
+#define        LPC_TIMER_MCR_MR3I              (1 << 9)
+#define        LPC_TIMER_MCR_MR3R              (1 << 10)
+#define        LPC_TIMER_MCR_MR3S              (1 << 11)
+#define        LPC_TIMER_MR0                   0x18
+#define        LPC_TIMER_CTCR                  0x70
+
+/*
+ * Watchdog timer. (from UM10326: LPC32x0 User manual, page 572)
+ */
+#define        LPC_WDTIM_PHYS_BASE             (LPC_DEV_PHYS_BASE + 0x3c000)
+#define        LPC_WDTIM_INT                   0x00
+#define        LPC_WDTIM_CTRL                  0x04
+#define        LPC_WDTIM_COUNTER               0x08
+#define        LPC_WDTIM_MCTRL                 0x0c
+#define        LPC_WDTIM_MATCH0                0x10
+#define        LPC_WDTIM_EMR                   0x14
+#define        LPC_WDTIM_PULSE                 0x18
+#define        LPC_WDTIM_RES                   0x1c
+#define        LPC_WDTIM_SIZE                  0x20
+
+/*
+ * Clocking and power control. (from UM10326: LPC32x0 User manual, page 58)
+ */
+#define        LPC_CLKPWR_PHYS_BASE            (LPC_DEV_PHYS_BASE + 0x4000)
+#define        LPC_CLKPWR_PWR_CTRL             0x44
+#define        LPC_CLKPWR_OSC_CTRL             0x4c
+#define        LPC_CLKPWR_SYSCLK_CTRL          0x50
+#define        LPC_CLKPWR_PLL397_CTRL          0x48
+#define        LPC_CLKPWR_HCLKPLL_CTRL         0x58
+#define        LPC_CLKPWR_HCLKDIV_CTRL         0x40
+#define        LPC_CLKPWR_TEST_CTRL            0xa4
+#define        LPC_CLKPWR_AUTOCLK_CTRL         0xec
+#define        LPC_CLKPWR_START_ER_PIN         0x30
+#define        LPC_CLKPWR_START_ER_INT         0x20
+#define        LPC_CLKPWR_P0_INTR_ER           0x18
+#define        LPC_CLKPWR_START_SR_PIN         0x38
+#define        LPC_CLKPWR_START_SR_INT         0x28
+#define        LPC_CLKPWR_START_RSR_PIN        0x34
+#define        LPC_CLKPWR_START_RSR_INT        0x24
+#define        LPC_CLKPWR_START_APR_PIN        0x3c
+#define        LPC_CLKPWR_START_APR_INT        0x2c
+#define        LPC_CLKPWR_USB_CTRL             0x64
+#define        LPC_CLKPWR_USB_CTRL_SLAVE_HCLK  (1 << 24)
+#define        LPC_CLKPWR_USB_CTRL_I2C_EN      (1 << 23)
+#define        LPC_CLKPWR_USB_CTRL_DEV_NEED_CLK_EN     (1 << 22)
+#define        LPC_CLKPWR_USB_CTRL_HOST_NEED_CLK_EN    (1 << 21)
+#define        LPC_CLKPWR_USB_CTRL_BUSKEEPER   (1 << 19)
+#define        LPC_CLKPWR_USB_CTRL_CLK_EN2     (1 << 18)
+#define        LPC_CLKPWR_USB_CTRL_CLK_EN1     (1 << 17)
+#define        LPC_CLKPWR_USB_CTRL_PLL_PDOWN   (1 << 16)
+#define        LPC_CLKPWR_USB_CTRL_BYPASS      (1 << 15)
+#define        LPC_CLKPWR_USB_CTRL_DIRECT_OUT  (1 << 14)
+#define        LPC_CLKPWR_USB_CTRL_FEEDBACK    (1 << 13)
+#define        LPC_CLKPWR_USB_CTRL_POSTDIV(_x) ((_x & 0x3) << 11)
+#define        LPC_CLKPWR_USB_CTRL_PREDIV(_x)  ((_x & 0x3) << 9)
+#define        LPC_CLKPWR_USB_CTRL_FDBKDIV(_x) (((_x-1) & 0xff) << 1)
+#define        LPC_CLKPWR_USB_CTRL_PLL_LOCK    (1 << 0)
+#define        LPC_CLKPWR_USBDIV_CTRL          0x1c
+#define        LPC_CLKPWR_MS_CTRL              0x80
+#define        LPC_CLKPWR_MS_CTRL_DISABLE_SD   (1 << 10)
+#define        LPC_CLKPWR_MS_CTRL_CLOCK_EN     (1 << 9)
+#define        LPC_CLKPWR_MS_CTRL_MSSDIO23_PAD (1 << 8)
+#define        LPC_CLKPWR_MS_CTRL_MSSDIO1_PAD  (1 << 7)
+#define        LPC_CLKPWR_MS_CTRL_MSSDIO0_PAD  (1 << 6)
+#define        LPC_CLKPWR_MS_CTRL_SD_CLOCK     (1 << 5)
+#define        LPC_CLKPWR_MS_CTRL_CLKDIV_MASK  0xf
+#define        LPC_CLKPWR_DMACLK_CTRL          0xe8
+#define        LPC_CLKPWR_DMACLK_CTRL_EN       (1 << 0)
+#define        LPC_CLKPWR_FLASHCLK_CTRL        0xc8
+#define        LPC_CLKPWR_MACCLK_CTRL          0x90
+#define        LPC_CLKPWR_MACCLK_CTRL_REG      (1 << 0)
+#define        LPC_CLKPWR_MACCLK_CTRL_SLAVE    (1 << 1)
+#define        LPC_CLKPWR_MACCLK_CTRL_MASTER   (1 << 2)
+#define        LPC_CLKPWR_MACCLK_CTRL_HDWINF(_n) ((_n & 0x3) << 3)
+#define        LPC_CLKPWR_LCDCLK_CTRL          0x54
+#define        LPC_CLKPWR_LCDCLK_CTRL_DISPTYPE (1 << 8)
+#define        LPC_CLKPWR_LCDCLK_CTRL_MODE(_n) ((_n & 0x3) << 6)
+#define        LPC_CLKPWR_LCDCLK_CTRL_MODE_12  0x0
+#define        LPC_CLKPWR_LCDCLK_CTRL_MODE_15  0x1
+#define        LPC_CLKPWR_LCDCLK_CTRL_MODE_16  0x2
+#define        LPC_CLKPWR_LCDCLK_CTRL_MODE_24  0x3
+#define        LPC_CLKPWR_LCDCLK_CTRL_HCLKEN   (1 << 5)
+#define        LPC_CLKPWR_LCDCLK_CTRL_CLKDIV(_n) ((_n) & 0x1f)
+#define        LPC_CLKPWR_I2S_CTRL             0x7c
+#define        LPC_CLKPWR_SSP_CTRL             0x78
+#define        LPC_CLKPWR_SSP_CTRL_SSP1RXDMA   (1 << 5)
+#define        LPC_CLKPWR_SSP_CTRL_SSP1TXDMA   (1 << 4)
+#define        LPC_CLKPWR_SSP_CTRL_SSP0RXDMA   (1 << 3)
+#define        LPC_CLKPWR_SSP_CTRL_SSP0TXDMA   (1 << 2)
+#define        LPC_CLKPWR_SSP_CTRL_SSP1EN      (1 << 1)
+#define        LPC_CLKPWR_SSP_CTRL_SSP0EN      (1 << 0)
+#define        LPC_CLKPWR_SPI_CTRL             0xc4
+#define        LPC_CLKPWR_I2CCLK_CTRL          0xac
+#define        LPC_CLKPWR_TIMCLK_CTRL1         0xc0
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER4  (1 << 0)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER5  (1 << 1)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER0  (1 << 2)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER1  (1 << 3)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER2  (1 << 4)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_TIMER3  (1 << 5)
+#define        LPC_CLKPWR_TIMCLK_CTRL1_MOTORCTL        (1 << 6)
+#define        LPC_CLKPWR_TIMCLK_CTRL          0xbc
+#define        LPC_CLKPWR_TIMCLK_CTRL_WATCHDOG (1 << 0)
+#define        LPC_CLKPWR_TIMCLK_CTRL_HSTIMER  (1 << 1)
+#define        LPC_CLKPWR_ADCLK_CTRL           0xb4
+#define        LPC_CLKPWR_ADCLK_CTRL1          0x60
+#define        LPC_CLKPWR_KEYCLK_CTRL          0xb0
+#define        LPC_CLKPWR_PWMCLK_CTRL          0xb8
+#define        LPC_CLKPWR_UARTCLK_CTRL         0xe4
+#define        LPC_CLKPWR_POS0_IRAM_CTRL       0x110
+#define        LPC_CLKPWR_POS1_IRAM_CTRL       0x114
+#define        LPC_CLKPWR_SIZE                 0x118
+
+/* Additional UART registers in CLKPWR address space. */
+#define        LPC_CLKPWR_UART_U3CLK           0xd0
+#define        LPC_CLKPWR_UART_U4CLK           0xd4
+#define        LPC_CLKPWR_UART_U5CLK           0xd8
+#define        LPC_CLKPWR_UART_U6CLK           0xdc
+#define        LPC_CLKPWR_UART_UCLK_HCLK       (1 << 16)
+#define        LPC_CLKPWR_UART_UCLK_X(_n)      (((_n) & 0xff) << 8)
+#define        LPC_CLKPWR_UART_UCLK_Y(_n)      ((_n) & 0xff)
+#define        LPC_CLKPWR_UART_IRDACLK         0xe0
+
+/* Additional UART registers */
+#define        LPC_UART_BASE                   0x80000
+#define        LPC_UART_CONTROL_BASE           0x54000
+#define        LPC_UART5_BASE                  0x90000
+#define        LPC_UART_CTRL                   0x00
+#define        LPC_UART_CLKMODE                0x04
+#define        LPC_UART_CLKMODE_UART3(_n)      (((_n) & 0x3) << 4)
+#define        LPC_UART_CLKMODE_UART4(_n)      (((_n) & 0x3) << 6)
+#define        LPC_UART_CLKMODE_UART5(_n)      (((_n) & 0x3) << 8)
+#define        LPC_UART_CLKMODE_UART6(_n)      (((_n) & 0x3) << 10)
+#define        LPC_UART_LOOP                   0x08
+#define        LPC_UART_CONTROL_SIZE           0x0c
+#define        LPC_UART_FIFOSIZE               64
+
+/*
+ * Real time clock. (from UM10326: LPC32x0 User manual, page 566)
+ */
+#define        LPC_RTC_UCOUNT                  0x00
+#define        LPC_RTC_DCOUNT                  0x04
+#define        LPC_RTC_MATCH0                  0x08
+#define        LPC_RTC_MATCH1                  0x0c
+#define        LPC_RTC_CTRL                    0x10
+#define        LPC_RTC_CTRL_ONSW               (1 << 7)
+#define        LPC_RTC_CTRL_DISABLE            (1 << 6)
+#define        LPC_RTC_CTRL_RTCRESET           (1 << 4)
+#define        LPC_RTC_CTRL_MATCH0ONSW         (1 << 3)
+#define        LPC_RTC_CTRL_MATCH1ONSW         (1 << 2)
+#define        LPC_RTC_CTRL_MATCH1INTR         (1 << 1)
+#define        LPC_RTC_CTRL_MATCH0INTR         (1 << 0)
+#define        LPC_RTC_INTSTAT                 0x14
+#define        LPC_RTC_KEY                     0x18
+#define        LPC_RTC_SRAM_BEGIN              0x80
+#define LPC_RTC_SRAM_END               0xff
+
+/*
+ * MMC/SD controller. (from UM10326: LPC32x0 User manual, page 436)
+ */
+#define        LPC_SD_PHYS_BASE                (LPC_DEV_P5_PHYS_BASE + 0x98000)
+#define        LPC_SD_CLK                      (13 * 1000 * 1000)      // 13Mhz
+#define        LPC_SD_POWER                    0x00
+#define        LPC_SD_POWER_OPENDRAIN          (1 << 6)
+#define        LPC_SD_POWER_CTRL_OFF           0x00
+#define        LPC_SD_POWER_CTRL_UP            0x02
+#define        LPC_SD_POWER_CTRL_ON            0x03
+#define        LPC_SD_CLOCK                    0x04
+#define        LPC_SD_CLOCK_WIDEBUS            (1 << 11)
+#define        LPC_SD_CLOCK_BYPASS             (1 << 10)
+#define        LPC_SD_CLOCK_PWRSAVE            (1 << 9)
+#define        LPC_SD_CLOCK_ENABLE             (1 << 8)
+#define        LPC_SD_CLOCK_CLKDIVMASK         0xff
+#define        LPC_SD_ARGUMENT                 0x08
+#define        LPC_SD_COMMAND                  0x0c
+#define        LPC_SD_COMMAND_ENABLE           (1 << 10)
+#define        LPC_SD_COMMAND_PENDING          (1 << 9)
+#define        LPC_SD_COMMAND_INTERRUPT        (1 << 8)
+#define        LPC_SD_COMMAND_LONGRSP          (1 << 7)
+#define        LPC_SD_COMMAND_RESPONSE         (1 << 6)
+#define        LPC_SD_COMMAND_CMDINDEXMASK     0x3f
+#define        LPC_SD_RESPCMD                  0x10
+#define        LPC_SD_RESP0                    0x14
+#define        LPC_SD_RESP1                    0x18
+#define        LPC_SD_RESP2                    0x1c
+#define        LPC_SD_RESP3                    0x20
+#define        LPC_SD_DATATIMER                0x24
+#define        LPC_SD_DATALENGTH               0x28
+#define        LPC_SD_DATACTRL                 0x2c
+#define        LPC_SD_DATACTRL_BLOCKSIZESHIFT  4
+#define        LPC_SD_DATACTRL_BLOCKSIZEMASK   0xf
+#define        LPC_SD_DATACTRL_DMAENABLE       (1 << 3)
+#define        LPC_SD_DATACTRL_MODE            (1 << 2)
+#define        LPC_SD_DATACTRL_WRITE           (0 << 1)
+#define        LPC_SD_DATACTRL_READ            (1 << 1)
+#define        LPC_SD_DATACTRL_ENABLE          (1 << 0)
+#define        LPC_SD_DATACNT                  0x30
+#define        LPC_SD_STATUS                   0x34
+#define        LPC_SD_STATUS_RXDATAAVLBL       (1 << 21)
+#define        LPC_SD_STATUS_TXDATAAVLBL       (1 << 20)
+#define        LPC_SD_STATUS_RXFIFOEMPTY       (1 << 19)
+#define        LPC_SD_STATUS_TXFIFOEMPTY       (1 << 18)
+#define        LPC_SD_STATUS_RXFIFOFULL        (1 << 17)
+#define        LPC_SD_STATUS_TXFIFOFULL        (1 << 16)
+#define        LPC_SD_STATUS_RXFIFOHALFFULL    (1 << 15)
+#define        LPC_SD_STATUS_TXFIFOHALFEMPTY   (1 << 14)
+#define        LPC_SD_STATUS_RXACTIVE          (1 << 13)
+#define        LPC_SD_STATUS_TXACTIVE          (1 << 12)
+#define        LPC_SD_STATUS_CMDACTIVE         (1 << 11)
+#define        LPC_SD_STATUS_DATABLOCKEND      (1 << 10)
+#define        LPC_SD_STATUS_STARTBITERR       (1 << 9)
+#define        LPC_SD_STATUS_DATAEND           (1 << 8)
+#define        LPC_SD_STATUS_CMDSENT           (1 << 7)
+#define        LPC_SD_STATUS_CMDRESPEND        (1 << 6)
+#define        LPC_SD_STATUS_RXOVERRUN         (1 << 5)
+#define        LPC_SD_STATUS_TXUNDERRUN        (1 << 4)
+#define        LPC_SD_STATUS_DATATIMEOUT       (1 << 3)
+#define        LPC_SD_STATUS_CMDTIMEOUT        (1 << 2)
+#define        LPC_SD_STATUS_DATACRCFAIL       (1 << 1)
+#define        LPC_SD_STATUS_CMDCRCFAIL        (1 << 0)
+#define        LPC_SD_CLEAR                    0x38
+#define        LPC_SD_MASK0                    0x03c
+#define        LPC_SD_MASK1                    0x40
+#define        LPC_SD_FIFOCNT                  0x48
+#define        LPC_SD_FIFO                     0x80
+
+/*
+ * USB OTG controller (from UM10326: LPC32x0 User manual, page 410)
+ */
+#define        LPC_OTG_INT_STATUS              0x100
+#define        LPC_OTG_INT_ENABLE              0x104
+#define        LPC_OTG_INT_SET                 0x108
+#define        LPC_OTG_INT_CLEAR               0x10c
+#define        LPC_OTG_STATUS                  0x110
+#define        LPC_OTG_STATUS_ATOB_HNP_TRACK   (1 << 9)
+#define        LPC_OTG_STATUS_BTOA_HNP_TACK    (1 << 8)
+#define        LPC_OTG_STATUS_TRANSP_I2C_EN    (1 << 7)
+#define        LPC_OTG_STATUS_TIMER_RESET      (1 << 6)
+#define        LPC_OTG_STATUS_TIMER_EN         (1 << 5)
+#define        LPC_OTG_STATUS_TIMER_MODE       (1 << 4)
+#define        LPC_OTG_STATUS_TIMER_SCALE      (1 << 2)
+#define        LPC_OTG_STATUS_HOST_EN          (1 << 0)
+#define        LPC_OTG_TIMER                   0x114
+#define        LPC_OTG_I2C_TXRX                0x300
+#define        LPC_OTG_I2C_STATUS              0x304
+#define        LPC_OTG_I2C_STATUS_TFE          (1 << 11)
+#define        LPC_OTG_I2C_STATUS_TFF          (1 << 10)
+#define        LPC_OTG_I2C_STATUS_RFE          (1 << 9)
+#define        LPC_OTG_I2C_STATUS_RFF          (1 << 8)
+#define        LPC_OTG_I2C_STATUS_SDA          (1 << 7)
+#define        LPC_OTG_I2C_STATUS_SCL          (1 << 6)
+#define        LPC_OTG_I2C_STATUS_ACTIVE       (1 << 5)
+#define        LPC_OTG_I2C_STATUS_DRSI         (1 << 4)
+#define        LPC_OTG_I2C_STATUS_DRMI         (1 << 3)
+#define        LPC_OTG_I2C_STATUS_NAI          (1 << 2)
+#define        LPC_OTG_I2C_STATUS_AFI          (1 << 1)
+#define        LPC_OTG_I2C_STATUS_TDI          (1 << 0)
+#define        LPC_OTG_I2C_CTRL                0x308
+#define        LPC_OTG_I2C_CTRL_SRST           (1 << 8)
+#define        LPC_OTG_I2C_CTRL_TFFIE          (1 << 7)
+#define        LPC_OTG_I2C_CTRL_RFDAIE         (1 << 6)
+#define        LPC_OTG_I2C_CTRL_RFFIE          (1 << 5)
+#define        LPC_OTG_I2C_CTRL_DRSIE          (1 << 4)
+#define        LPC_OTG_I2C_CTRL_DRMIE          (1 << 3)
+#define        LPC_OTG_I2C_CTRL_NAIE           (1 << 2)
+#define        LPC_OTG_I2C_CTRL_AFIE           (1 << 1)
+#define        LPC_OTG_I2C_CTRL_TDIE           (1 << 0)
+#define        LPC_OTG_I2C_CLKHI               0x30c
+#define        LPC_OTG_I2C_CLKLO               0x310
+#define        LPC_OTG_CLOCK_CTRL              0xff4
+#define        LPC_OTG_CLOCK_CTRL_AHB_EN       (1 << 4)
+#define        LPC_OTG_CLOCK_CTRL_OTG_EN       (1 << 3)
+#define        LPC_OTG_CLOCK_CTRL_I2C_EN       (1 << 2)
+#define        LPC_OTG_CLOCK_CTRL_DEV_EN       (1 << 1)
+#define        LPC_OTG_CLOCK_CTRL_HOST_EN      (1 << 0)
+#define        LPC_OTG_CLOCK_STATUS            0xff8
+
+/*
+ * ISP3101 USB transceiver registers
+ */
+#define        LPC_ISP3101_I2C_ADDR            0x2d
+#define        LPC_ISP3101_MODE_CONTROL_1      0x04
+#define        LPC_ISP3101_MC1_SPEED_REG       (1 << 0)
+#define        LPC_ISP3101_MC1_SUSPEND_REG     (1 << 1)
+#define        LPC_ISP3101_MC1_DAT_SE0         (1 << 2)
+#define        LPC_ISP3101_MC1_TRANSPARENT     (1 << 3)
+#define        LPC_ISP3101_MC1_BDIS_ACON_EN    (1 << 4)
+#define        LPC_ISP3101_MC1_OE_INT_EN       (1 << 5)
+#define        LPC_ISP3101_MC1_UART_EN         (1 << 6)
+#define        LPC_ISP3101_MODE_CONTROL_2      0x12
+#define        LPC_ISP3101_MC2_GLOBAL_PWR_DN   (1 << 0)
+#define        LPC_ISP3101_MC2_SPD_SUSP_CTRL   (1 << 1)
+#define        LPC_ISP3101_MC2_BI_DI           (1 << 2)
+#define        LPC_ISP3101_MC2_TRANSP_BDIR0    (1 << 3)
+#define        LPC_ISP3101_MC2_TRANSP_BDIR1    (1 << 4)
+#define        LPC_ISP3101_MC2_AUDIO_EN        (1 << 5)
+#define        LPC_ISP3101_MC2_PSW_EN          (1 << 6)
+#define        LPC_ISP3101_MC2_EN2V7           (1 << 7)
+#define        LPC_ISP3101_OTG_CONTROL_1       0x06
+#define        LPC_ISP3101_OTG1_DP_PULLUP      (1 << 0)
+#define        LPC_ISP3101_OTG1_DM_PULLUP      (1 << 1)
+#define        LPC_ISP3101_OTG1_DP_PULLDOWN    (1 << 2)
+#define        LPC_ISP3101_OTG1_DM_PULLDOWN    (1 << 3)
+#define        LPC_ISP3101_OTG1_ID_PULLDOWN    (1 << 4)
+#define        LPC_ISP3101_OTG1_VBUS_DRV       (1 << 5)
+#define        LPC_ISP3101_OTG1_VBUS_DISCHRG   (1 << 6)
+#define        LPC_ISP3101_OTG1_VBUS_CHRG      (1 << 7)
+#define        LPC_ISP3101_OTG_CONTROL_2       0x10
+#define        LPC_ISP3101_OTG_INTR_LATCH      0x0a
+#define        LPC_ISP3101_OTG_INTR_FALLING    0x0c
+#define        LPC_ISP3101_OTG_INTR_RISING     0x0e
+#define        LPC_ISP3101_REG_CLEAR_ADDR      0x01
+
+/*
+ * LCD Controller (from UM10326: LPC32x0 User manual, page 229)
+ */
+#define        LPC_LCD_TIMH                    0x00
+#define        LPC_LCD_TIMH_HBP(_n)            (((_n) & 0xff) << 24)
+#define        LPC_LCD_TIMH_HFP(_n)            (((_n) & 0xff) << 16)
+#define        LPC_LCD_TIMH_HSW(_n)            (((_n) & 0xff) << 8)
+#define        LPC_LCD_TIMH_PPL(_n)            (((_n) / 16 - 1) << 2)
+#define        LPC_LCD_TIMV                    0x04
+#define        LPC_LCD_TIMV_VBP(_n)            (((_n) & 0xff) << 24)
+#define        LPC_LCD_TIMV_VFP(_n)            (((_n) & 0xff) << 16)
+#define        LPC_LCD_TIMV_VSW(_n)            (((_n) & 0x3f) << 10)
+#define        LPC_LCD_TIMV_LPP(_n)            ((_n) & 0x1ff)
+#define        LPC_LCD_POL                     0x08
+#define        LPC_LCD_POL_PCD_HI              (((_n) & 0x1f) << 27)
+#define        LPC_LCD_POL_BCD                 (1 << 26)
+#define        LPC_LCD_POL_CPL(_n)             (((_n) & 0x3ff) << 16)
+#define        LPC_LCD_POL_IOE                 (1 << 14)
+#define        LPC_LCD_POL_IPC                 (1 << 13)
+#define        LPC_LCD_POL_IHS                 (1 << 12)
+#define        LPC_LCD_POL_IVS                 (1 << 11)
+#define        LPC_LCD_POL_ACB(_n)             ((_n & 0x1f) << 6)
+#define        LPC_LCD_POL_CLKSEL              (1 << 5)
+#define        LPC_LCD_POL_PCD_LO(_n)          ((_n) & 0x1f)
+#define        LPC_LCD_LE                      0x0c
+#define        LPC_LCD_LE_LEE                  (1 << 16)
+#define        LPC_LCD_LE_LED                  ((_n) & 0x7f)
+#define        LPC_LCD_UPBASE                  0x10
+#define        LPC_LCD_LPBASE                  0x14
+#define        LPC_LCD_CTRL                    0x18
+#define        LPC_LCD_CTRL_WATERMARK          (1 << 16)
+#define        LPC_LCD_CTRL_LCDVCOMP(_n)       (((_n) & 0x3) << 12)
+#define        LPC_LCD_CTRL_LCDPWR             (1 << 11)
+#define        LPC_LCD_CTRL_BEPO               (1 << 10)
+#define        LPC_LCD_CTRL_BEBO               (1 << 9)
+#define        LPC_LCD_CTRL_BGR                (1 << 8)
+#define        LPC_LCD_CTRL_LCDDUAL            (1 << 7)
+#define        LPC_LCD_CTRL_LCDMONO8           (1 << 6)
+#define        LPC_LCD_CTRL_LCDTFT             (1 << 5)
+#define        LPC_LCD_CTRL_LCDBW              (1 << 4)
+#define        LPC_LCD_CTRL_LCDBPP(_n)         (((_n) & 0x7) << 1)
+#define        LPC_LCD_CTRL_BPP1               0
+#define        LPC_LCD_CTRL_BPP2               1
+#define        LPC_LCD_CTRL_BPP4               2
+#define        LPC_LCD_CTRL_BPP8               3
+#define        LPC_LCD_CTRL_BPP16              4
+#define        LPC_LCD_CTRL_BPP24              5
+#define        LPC_LCD_CTRL_BPP16_565          6
+#define        LPC_LCD_CTRL_BPP12_444          7
+#define        LPC_LCD_CTRL_LCDEN              (1 << 0)
+#define        LPC_LCD_INTMSK                  0x1c
+#define        LPC_LCD_INTRAW                  0x20
+#define        LPC_LCD_INTSTAT                 0x24
+#define        LPC_LCD_INTCLR                  0x28
+#define        LPC_LCD_UPCURR                  0x2c
+#define        LPC_LCD_LPCURR                  0x30
+#define        LPC_LCD_PAL                     0x200
+#define        LPC_LCD_CRSR_IMG                0x800
+#define        LPC_LCD_CRSR_CTRL               0xc00
+#define        LPC_LCD_CRSR_CFG                0xc04
+#define        LPC_LCD_CRSR_PAL0               0xc08
+#define        LPC_LCD_CRSR_PAL1               0xc0c
+#define        LPC_LCD_CRSR_XY                 0xc10
+#define        LPC_LCD_CRSR_CLIP               0xc14
+#define        LPC_LCD_CRSR_INTMSK             0xc20
+#define        LPC_LCD_CRSR_INTCLR             0xc24
+#define        LPC_LCD_CRSR_INTRAW             0xc28
+#define        LPC_LCD_CRSR_INTSTAT            0xc2c
+
+/*
+ * SPI interface (from UM10326: LPC32x0 User manual, page 483)
+ */
+#define        LPC_SPI_GLOBAL                  0x00
+#define        LPC_SPI_GLOBAL_RST              (1 << 1)
+#define        LPC_SPI_GLOBAL_ENABLE           (1 << 0)
+#define        LPC_SPI_CON                     0x04
+#define        LPC_SPI_CON_UNIDIR              (1 << 23)
+#define        LPC_SPI_CON_BHALT               (1 << 22)
+#define        LPC_SPI_CON_BPOL                (1 << 21)
+#define        LPC_SPI_CON_MSB                 (1 << 19)
+#define        LPC_SPI_CON_MODE(_n)            ((_n & 0x3) << 16)
+#define        LPC_SPI_CON_RXTX                (1 << 15)
+#define        LPC_SPI_CON_THR                 (1 << 14)
+#define        LPC_SPI_CON_SHIFT_OFF           (1 << 13)
+#define        LPC_SPI_CON_BITNUM(_n)          ((_n & 0xf) << 9)
+#define        LPC_SPI_CON_MS                  (1 << 7)
+#define        LPC_SPI_CON_RATE(_n)            (_n & 0x7f)
+#define        LPC_SPI_FRM                     0x08
+#define        LPC_SPI_IER                     0x0c
+#define        LPC_SPI_IER_INTEOT              (1 << 1)
+#define        LPC_SPI_IER_INTTHR              (1 << 0)
+#define        LPC_SPI_STAT                    0x10
+#define        LPC_SPI_STAT_INTCLR             (1 << 8)
+#define        LPC_SPI_STAT_EOT                (1 << 7)
+#define        LPC_SPI_STAT_BUSYLEV            (1 << 6)
+#define        LPC_SPI_STAT_SHIFTACT           (1 << 3)
+#define        LPC_SPI_STAT_BF                 (1 << 2)
+#define        LPC_SPI_STAT_THR                (1 << 1)
+#define        LPC_SPI_STAT_BE                 (1 << 0)
+#define        LPC_SPI_DAT                     0x14
+#define        LPC_SPI_TIM_CTRL                0x400
+#define        LPC_SPI_TIM_COUNT               0x404
+#define        LPC_SPI_TIM_STAT                0x408
+
+/*
+ * SSP interface (from UM10326: LPC32x0 User manual, page 500)
+ */
+#define        LPC_SSP0_BASE                   0x4c00
+#define        LPC_SSP1_BASE                   0xc000
+#define        LPC_SSP_CR0                     0x00
+#define        LPC_SSP_CR0_DSS(_n)             ((_n-1) & 0xf)
+#define        LPC_SSP_CR0_TI                  (1 << 4)
+#define        LPC_SSP_CR0_MICROWIRE           (1 << 5)
+#define        LPC_SSP_CR0_CPOL                (1 << 6)
+#define        LPC_SSP_CR0_CPHA                (1 << 7)
+#define        LPC_SSP_CR0_SCR(_n)             ((_x & & 0xff) << 8)
+#define        LPC_SSP_CR1                     0x04
+#define        LPC_SSP_CR1_LBM                 (1 << 0)
+#define        LPC_SSP_CR1_SSE                 (1 << 1)
+#define        LPC_SSP_CR1_MS                  (1 << 2)
+#define        LPC_SSP_CR1_SOD                 (1 << 3)
+#define        LPC_SSP_DR                      0x08
+#define        LPC_SSP_SR                      0x0c
+#define        LPC_SSP_SR_TFE                  (1 << 0)
+#define        LPC_SSP_SR_TNF                  (1 << 1)
+#define        LPC_SSP_SR_RNE                  (1 << 2)
+#define        LPC_SSP_SR_RFF                  (1 << 3)
+#define        LPC_SSP_SR_BSY                  (1 << 4)
+#define        LPC_SSP_CPSR                    0x10
+#define        LPC_SSP_IMSC                    0x14
+#define        LPC_SSP_IMSC_RORIM              (1 << 0)
+#define        LPC_SSP_IMSC_RTIM               (1 << 1)
+#define        LPC_SSP_IMSC_RXIM               (1 << 2)
+#define        LPC_SSP_IMSC_TXIM               (1 << 3)
+#define        LPC_SSP_RIS                     0x18
+#define        LPC_SSP_RIS_RORRIS              (1 << 0)
+#define        LPC_SSP_RIS_RTRIS               (1 << 1)
+#define        LPC_SSP_RIS_RXRIS               (1 << 2)
+#define        LPC_SSP_RIS_TXRIS               (1 << 3)
+#define        LPC_SSP_MIS                     0x1c
+#define        LPC_SSP_ICR                     0x20
+#define        LPC_SSP_DMACR                   0x24
+
+/*
+ * GPIO (from UM10326: LPC32x0 User manual, page 606)
+ */
+#define        LPC_GPIO_PHYS_BASE              (LPC_DEV_PHYS_BASE + 0x28000)
+#define        LPC_GPIO_P0_COUNT               8
+#define        LPC_GPIO_P1_COUNT               24
+#define        LPC_GPIO_P2_COUNT               13
+#define        LPC_GPIO_P3_COUNT               52
+#define        LPC_GPIO_P0_INP_STATE           0x40
+#define        LPC_GPIO_P0_OUTP_SET            0x44
+#define        LPC_GPIO_P0_OUTP_CLR            0x48
+#define        LPC_GPIO_P0_OUTP_STATE          0x4c
+#define        LPC_GPIO_P0_DIR_SET             0x50
+#define        LPC_GPIO_P0_DIR_CLR             0x54
+#define        LPC_GPIO_P0_DIR_STATE           0x58
+#define        LPC_GPIO_P1_INP_STATE           0x60
+#define        LPC_GPIO_P1_OUTP_SET            0x64
+#define        LPC_GPIO_P1_OUTP_CLR            0x68
+#define        LPC_GPIO_P1_OUTP_STATE          0x6c
+#define        LPC_GPIO_P1_DIR_SET             0x70
+#define        LPC_GPIO_P1_DIR_CLR             0x74
+#define        LPC_GPIO_P1_DIR_STATE           0x78
+#define        LPC_GPIO_P2_INP_STATE           0x1c
+#define        LPC_GPIO_P2_OUTP_SET            0x20
+#define        LPC_GPIO_P2_OUTP_CLR            0x24
+#define        LPC_GPIO_P2_DIR_SET             0x10
+#define        LPC_GPIO_P2_DIR_CLR             0x14
+#define        LPC_GPIO_P2_DIR_STATE           0x14
+#define        LPC_GPIO_P3_INP_STATE           0x00
+#define        LPC_GPIO_P3_OUTP_SET            0x04
+#define        LPC_GPIO_P3_OUTP_CLR            0x08
+#define        LPC_GPIO_P3_OUTP_STATE          0x0c
+#define        LPC_GPIO_SIZE                   0x80
+
+/* Aliases for logical pin numbers: */
+#define        LPC_GPIO_GPI_00(_n)             (0 + _n)
+#define        LPC_GPIO_GPI_15(_n)             (10 + _n)
+#define        LPC_GPIO_GPI_25                 (19)
+#define        LPC_GPIO_GPI_27(_n)             (20 + _n)
+#define        LPC_GPIO_GPO_00(_n)             (22 + _n)
+#define        LPC_GPIO_GPIO_00(_n)            (46 + _n)
+/* SPI devices chip selects: */
+#define        SSD1289_CS_PIN                  LPC_GPIO_GPO_00(4)
+#define        SSD1289_DC_PIN                  LPC_GPIO_GPO_00(5)
+#define        ADS7846_CS_PIN                  LPC_GPIO_GPO_00(11)
+#define        ADS7846_INTR_PIN                LPC_GPIO_GPIO_00(0)
+
+/*
+ * GPDMA controller (from UM10326: LPC32x0 User manual, page 106)
+ */
+#define        LPC_DMAC_INTSTAT                0x00
+#define        LPC_DMAC_INTTCSTAT              0x04
+#define        LPC_DMAC_INTTCCLEAR             0x08
+#define        LPC_DMAC_INTERRSTAT             0x0c
+#define        LPC_DMAC_INTERRCLEAR            0x10
+#define        LPC_DMAC_RAWINTTCSTAT           0x14
+#define        LPC_DMAC_RAWINTERRSTAT          0x18
+#define        LPC_DMAC_ENABLED_CHANNELS       0x1c
+#define        LPC_DMAC_SOFTBREQ               0x20
+#define        LPC_DMAC_SOFTSREQ               0x24
+#define        LPC_DMAC_SOFTLBREQ              0x28
+#define        LPC_DMAC_SOFTLSREQ              0x2c
+#define        LPC_DMAC_CONFIG                 0x30
+#define        LPC_DMAC_CONFIG_M1              (1 << 2)
+#define        LPC_DMAC_CONFIG_M0              (1 << 1)
+#define        LPC_DMAC_CONFIG_ENABLE          (1 << 0)
+#define        LPC_DMAC_CHADDR(_n)             (0x100 + (_n * 0x20))
+#define        LPC_DMAC_CHNUM                  8
+#define        LPC_DMAC_CHSIZE                 0x20
+#define        LPC_DMAC_CH_SRCADDR             0x00
+#define        LPC_DMAC_CH_DSTADDR             0x04
+#define        LPC_DMAC_CH_LLI                 0x08
+#define        LPC_DMAC_CH_LLI_AHB1            (1 << 0)
+#define        LPC_DMAC_CH_CONTROL             0x0c
+#define        LPC_DMAC_CH_CONTROL_I           (1U << 31)
+#define        LPC_DMAC_CH_CONTROL_DI          (1 << 27)
+#define        LPC_DMAC_CH_CONTROL_SI          (1 << 26)
+#define        LPC_DMAC_CH_CONTROL_D           (1 << 25)
+#define        LPC_DMAC_CH_CONTROL_S           (1 << 24)
+#define        LPC_DMAC_CH_CONTROL_WIDTH_4     2
+#define        LPC_DMAC_CH_CONTROL_DWIDTH(_n)  ((_n & 0x7) << 21)
+#define        LPC_DMAC_CH_CONTROL_SWIDTH(_n)  ((_n & 0x7) << 18)
+#define        LPC_DMAC_CH_CONTROL_BURST_8     2
+#define        LPC_DMAC_CH_CONTROL_DBSIZE(_n)  ((_n & 0x7) << 15)
+#define        LPC_DMAC_CH_CONTROL_SBSIZE(_n)  ((_n & 0x7) << 12)
+#define        LPC_DMAC_CH_CONTROL_XFERLEN(_n) (_n & 0xfff) 
+#define        LPC_DMAC_CH_CONFIG              0x10
+#define        LPC_DMAC_CH_CONFIG_H            (1 << 18)
+#define        LPC_DMAC_CH_CONFIG_A            (1 << 17)
+#define        LPC_DMAC_CH_CONFIG_L            (1 << 16)
+#define        LPC_DMAC_CH_CONFIG_ITC          (1 << 15)
+#define        LPC_DMAC_CH_CONFIG_IE           (1 << 14)
+#define        LPC_DMAC_CH_CONFIG_FLOWCNTL(_n) ((_n & 0x7) << 11)
+#define        LPC_DMAC_CH_CONFIG_DESTP(_n)    ((_n & 0x1f) << 6)
+#define        LPC_DMAC_CH_CONFIG_SRCP(_n)     ((_n & 0x1f) << 1)
+#define        LPC_DMAC_CH_CONFIG_E            (1 << 0)
+
+/* DMA flow control values */
+#define        LPC_DMAC_FLOW_D_M2M             0
+#define        LPC_DMAC_FLOW_D_M2P             1
+#define        LPC_DMAC_FLOW_D_P2M             2
+#define        LPC_DMAC_FLOW_D_P2P             3
+#define        LPC_DMAC_FLOW_DP_P2P            4
+#define        LPC_DMAC_FLOW_P_M2P             5
+#define        LPC_DMAC_FLOW_P_P2M             6
+#define        LPC_DMAC_FLOW_SP_P2P            7
+
+/* DMA peripheral ID's */
+#define        LPC_DMAC_I2S0_DMA0_ID           0
+#define        LPC_DMAC_NAND_ID                1
+#define        LPC_DMAC_IS21_DMA0_ID           2
+#define        LPC_DMAC_SSP1_ID                3
+#define        LPC_DMAC_SPI2_ID                3
+#define        LPC_DMAC_SD_ID                  4
+#define        LPC_DMAC_UART1_TX_ID            5
+#define        LPC_DMAC_UART1_RX_ID            6
+#define        LPC_DMAC_UART2_TX_ID            7
+#define        LPC_DMAC_UART2_RX_ID            8
+#define        LPC_DMAC_UART7_TX_ID            9
+#define        LPC_DMAC_UART7_RX_ID            10
+#define        LPC_DMAC_I2S1_DMA1_ID           10
+#define        LPC_DMAC_SPI1_ID                11
+#define        LPC_DMAC_SSP1_TX_ID             11
+#define        LPC_DMAC_NAND2_ID               12
+#define        LPC_DMAC_I2S0_DMA1_ID           13
+#define        LPC_DMAC_SSP0_RX                14
+#define        LPC_DMAC_SSP0_TX                15
+
+#endif /* _ARM_LPC_LPCREG_H */
diff --git a/freebsd/sys/arm/lpc/lpcvar.h b/freebsd/sys/arm/lpc/lpcvar.h
new file mode 100644
index 0000000..ed05320
--- /dev/null
+++ b/freebsd/sys/arm/lpc/lpcvar.h
@@ -0,0 +1,69 @@
+/*-
+ * Copyright (c) 2011 Jakub Wojciech Klama <jc...@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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef        _ARM_LPC_LPCVAR_H
+#define        _ARM_LPC_LPCVAR_H
+
+#include <sys/types.h>
+#include <sys/bus.h>
+#include <machine/bus.h>
+
+/* Clocking and power control */
+uint32_t lpc_pwr_read(device_t, int);
+void lpc_pwr_write(device_t, int, uint32_t);
+
+/* GPIO */
+void lpc_gpio_init(void);
+int lpc_gpio_set_flags(device_t, int, int);
+int lpc_gpio_set_state(device_t, int, int);
+int lpc_gpio_get_state(device_t, int, int *);
+
+/* DMA */
+struct lpc_dmac_channel_config
+{
+       int             ldc_fcntl;
+       int             ldc_src_periph;
+       int             ldc_src_width;
+       int             ldc_src_incr;
+       int             ldc_src_burst;
+       int             ldc_dst_periph;
+       int             ldc_dst_width;
+       int             ldc_dst_incr;
+       int             ldc_dst_burst;
+       void            (*ldc_success_handler)(void *);
+       void            (*ldc_error_handler)(void *);
+       void *          ldc_handler_arg;
+};
+
+int lpc_dmac_config_channel(device_t, int, struct lpc_dmac_channel_config *);
+int lpc_dmac_setup_transfer(device_t, int, bus_addr_t, bus_addr_t, bus_size_t, 
int);
+int lpc_dmac_enable_channel(device_t, int);
+int lpc_dmac_disable_channel(device_t, int);
+int lpc_dmac_start_burst(device_t, int);
+
+#endif /* _ARM_LPC_LPCVAR_H */
-- 
1.9.1

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