Module Name: src
Committed By: hikaru
Date: Fri May 1 07:23:47 UTC 2015
Modified Files:
src/sys/arch/evbmips/conf: ERLITE
src/sys/arch/mips/cavium: octeon1p_iobus.c
src/sys/arch/mips/conf: files.octeon
Added Files:
src/sys/arch/mips/cavium/dev: octeon_dwctwo.c
Removed Files:
src/sys/arch/mips/cavium/dev: octeon_usbc.c octeon_usbn.c
Log Message:
Use dwc2 instead of octeon_usbc, and unify octeon_usbn to new octeon_dwctwo.
Internal USB memory stick of EdgeRouter Lite works now.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/evbmips/conf/ERLITE
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/mips/cavium/octeon1p_iobus.c
cvs rdiff -u -r0 -r1.1 src/sys/arch/mips/cavium/dev/octeon_dwctwo.c
cvs rdiff -u -r1.1 -r0 src/sys/arch/mips/cavium/dev/octeon_usbc.c \
src/sys/arch/mips/cavium/dev/octeon_usbn.c
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/mips/conf/files.octeon
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/evbmips/conf/ERLITE
diff -u src/sys/arch/evbmips/conf/ERLITE:1.1 src/sys/arch/evbmips/conf/ERLITE:1.2
--- src/sys/arch/evbmips/conf/ERLITE:1.1 Wed Apr 29 08:32:00 2015
+++ src/sys/arch/evbmips/conf/ERLITE Fri May 1 07:23:47 2015
@@ -1,11 +1,11 @@
-# $NetBSD: ERLITE,v 1.1 2015/04/29 08:32:00 hikaru Exp $
+# $NetBSD: ERLITE,v 1.2 2015/05/01 07:23:47 hikaru Exp $
include "arch/mips/conf/std.octeon"
include "arch/evbmips/conf/files.octeon"
#options INCLUDE_CONFIG_FILE # embed config file in kernel binary
-#ident "ERLITE-$Revision: 1.1 $"
+#ident "ERLITE-$Revision: 1.2 $"
maxusers 32
@@ -131,11 +131,15 @@ octeon_rnm* at iobus?
octeon_gmx* at iobus?
cnmac* at octeon_gmx?
-#octeon_usbn* at iobus?
-#usb* at octeon_usbn?
+dwctwo* at iobus?
+usb* at dwctwo?
-#uhub* at usb?
-#ugen* at uhub? port ?
+uhub* at usb?
+
+# USB Mass Storage
+umass* at uhub? port ? configuration ? interface ?
+scsibus* at umass? channel ?
+sd* at scsibus? target ? lun ? # SCSI disk drives
atphy* at mii? phy ? # Attansic/Atheros PHYs
ukphy* at mii? phy ? # generic unknown PHYs
Index: src/sys/arch/mips/cavium/octeon1p_iobus.c
diff -u src/sys/arch/mips/cavium/octeon1p_iobus.c:1.1 src/sys/arch/mips/cavium/octeon1p_iobus.c:1.2
--- src/sys/arch/mips/cavium/octeon1p_iobus.c:1.1 Wed Apr 29 08:32:00 2015
+++ src/sys/arch/mips/cavium/octeon1p_iobus.c Fri May 1 07:23:47 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: octeon1p_iobus.c,v 1.1 2015/04/29 08:32:00 hikaru Exp $ */
+/* $NetBSD: octeon1p_iobus.c,v 1.2 2015/05/01 07:23:47 hikaru Exp $ */
/*
* Copyright (c) 2007 Internet Initiative Japan, Inc.
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: octeon1p_iobus.c,v 1.1 2015/04/29 08:32:00 hikaru Exp $");
+__KERNEL_RCSID(0, "$NetBSD: octeon1p_iobus.c,v 1.2 2015/05/01 07:23:47 hikaru Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -127,7 +127,7 @@ static const struct iobus_unit iobus_uni
};
static const struct iobus_dev iobus_dev_octeon_usbn = {
- .name = "octeon_usbn",
+ .name = "dwctwo",
.nunits = USBN_NUNITS,
.units = iobus_units_octeon_usbn
};
Index: src/sys/arch/mips/conf/files.octeon
diff -u src/sys/arch/mips/conf/files.octeon:1.1 src/sys/arch/mips/conf/files.octeon:1.2
--- src/sys/arch/mips/conf/files.octeon:1.1 Wed Apr 29 08:32:00 2015
+++ src/sys/arch/mips/conf/files.octeon Fri May 1 07:23:47 2015
@@ -1,4 +1,4 @@
-# $NetBSD: files.octeon,v 1.1 2015/04/29 08:32:00 hikaru Exp $
+# $NetBSD: files.octeon,v 1.2 2015/05/01 07:23:47 hikaru Exp $
file arch/mips/mips/locore_octeon.S
file arch/mips/mips/bus_dma.c
@@ -65,10 +65,8 @@ device cnmac: ether, ifnet, arp, mii
attach cnmac at octeon_gmx
file arch/mips/cavium/dev/if_cnmac.c cnmac
-device octeon_usbn: usbus, usbroothub, usb_dma
-attach octeon_usbn at iobus
-file arch/mips/cavium/dev/octeon_usbn.c octeon_usbn
-file arch/mips/cavium/dev/octeon_usbc.c octeon_usbn
+attach dwctwo at iobus with octeon_dwctwo
+file arch/mips/cavium/dev/octeon_dwctwo.c octeon_dwctwo
# Boot-Bus
Added files:
Index: src/sys/arch/mips/cavium/dev/octeon_dwctwo.c
diff -u /dev/null src/sys/arch/mips/cavium/dev/octeon_dwctwo.c:1.1
--- /dev/null Fri May 1 07:23:47 2015
+++ src/sys/arch/mips/cavium/dev/octeon_dwctwo.c Fri May 1 07:23:47 2015
@@ -0,0 +1,416 @@
+/* $NetBSD: octeon_dwctwo.c,v 1.1 2015/05/01 07:23:47 hikaru Exp $ */
+
+/*
+ * Copyright (c) 2015 Masao Uebayashi <[email protected]>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copyright (c) 2015 Internet Initiative Japan, Inc.
+ * 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 REGENTS 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 REGENTS 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>
+__KERNEL_RCSID(0, "$NetBSD: octeon_dwctwo.c,v 1.1 2015/05/01 07:23:47 hikaru Exp $");
+
+#include "opt_octeon.h"
+#include "opt_usb.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/bus.h>
+#include <sys/workqueue.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdivar.h>
+#include <dev/usb/usb_mem.h>
+
+#include <mips/cavium/include/iobusvar.h>
+#include <mips/cavium/dev/octeon_ciureg.h>
+#include <mips/cavium/dev/octeon_usbnreg.h>
+#include <mips/cavium/dev/octeon_usbnvar.h>
+#include <mips/cavium/dev/octeon_usbcreg.h>
+#include <mips/cavium/dev/octeon_usbcvar.h>
+#include <mips/cavium/octeonvar.h>
+
+#include <dwc2/dwc2var.h>
+#include <dwc2/dwc2.h>
+#include "dwc2_core.h"
+
+struct octeon_dwc2_softc {
+ struct dwc2_softc sc_dwc2;
+ /* USBC bus space tag */
+ struct mips_bus_space sc_dwc2_bust;
+
+ /* USBN bus space */
+ bus_space_tag_t sc_bust;
+ bus_space_handle_t sc_regh;
+ bus_space_handle_t sc_reg2h;
+
+ void *sc_ih;
+};
+
+static int octeon_dwc2_match(device_t, struct cfdata *, void *);
+static void octeon_dwc2_attach(device_t, device_t, void *);
+static uint32_t octeon_dwc2_rd_4(void *, bus_space_handle_t,
+ bus_size_t);
+static void octeon_dwc2_wr_4(void *, bus_space_handle_t,
+ bus_size_t, uint32_t);
+int octeon_dwc2_set_dma_addr(device_t, bus_addr_t, int);
+static inline void octeon_dwc2_reg_assert(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+static inline void octeon_dwc2_reg_deassert(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+static inline uint64_t octeon_dwc2_reg_rd(struct octeon_dwc2_softc *,
+ bus_size_t);
+static inline void octeon_dwc2_reg_wr(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+static inline void octeon_dwc2_reg2_assert(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+static inline void octeon_dwc2_reg2_deassert(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+static inline uint64_t octeon_dwc2_reg2_rd(struct octeon_dwc2_softc *,
+ bus_size_t);
+static inline void octeon_dwc2_reg2_wr(struct octeon_dwc2_softc *,
+ bus_size_t, uint64_t);
+
+static struct dwc2_core_params octeon_dwc2_params = {
+ .otg_cap = 2, /* 2 - No HNP/SRP capable */
+ .otg_ver = 0,
+ .dma_enable = 1,
+ .dma_desc_enable = 0,
+ .speed = 0, /* 0 - High Speed */
+ .enable_dynamic_fifo = 1,
+ .en_multiple_tx_fifo = 0,
+ .host_rx_fifo_size = 456,
+ .host_nperio_tx_fifo_size = 912,
+ .host_perio_tx_fifo_size = 256,
+ .max_transfer_size = 65535,
+ .max_packet_count = 511,
+ .host_channels = 8,
+ .phy_type = 1, /* UTMI */
+ .phy_utmi_width = 16, /* 16 bits */
+ .phy_ulpi_ddr = 0,
+ .phy_ulpi_ext_vbus = 0,
+ .i2c_enable = 0,
+ .ulpi_fs_ls = 0,
+ .host_support_fs_ls_low_power = 0,
+ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
+ .ts_dline = 0,
+ .reload_ctl = 0,
+ .ahbcfg = 0, /* XXX */
+ .uframe_sched = 1,
+};
+
+CFATTACH_DECL_NEW(octeon_dwctwo, sizeof(struct octeon_dwc2_softc),
+ octeon_dwc2_match, octeon_dwc2_attach, NULL, NULL);
+
+static int
+octeon_dwc2_match(device_t parent, struct cfdata *cf, void *aux)
+{
+ struct iobus_attach_args *aa = aux;
+
+ if (strcmp(cf->cf_name, aa->aa_name) != 0)
+ return 0;
+
+ return 1;
+}
+
+static void
+octeon_dwc2_attach(device_t parent, device_t self, void *aux)
+{
+ struct octeon_dwc2_softc *sc = device_private(self);
+ struct iobus_attach_args *aa = aux;
+ uint64_t clk;
+ int status;
+
+ aprint_normal("\n");
+
+ sc->sc_dwc2.sc_dev = self;
+ sc->sc_bust = aa->aa_bust;
+
+ sc->sc_dwc2_bust.bs_cookie = sc;
+ sc->sc_dwc2_bust.bs_map = aa->aa_bust->bs_map;
+ sc->sc_dwc2_bust.bs_unmap = aa->aa_bust->bs_unmap;
+ sc->sc_dwc2_bust.bs_r_4 = octeon_dwc2_rd_4;
+ sc->sc_dwc2_bust.bs_w_4 = octeon_dwc2_wr_4;
+
+ sc->sc_dwc2.sc_iot = &sc->sc_dwc2_bust;
+ sc->sc_dwc2.sc_bus.dmatag = aa->aa_dmat;
+ sc->sc_dwc2.sc_params = &octeon_dwc2_params;
+ sc->sc_dwc2.sc_set_dma_addr = octeon_dwc2_set_dma_addr;
+
+ status = bus_space_map(sc->sc_dwc2.sc_iot, USBC_BASE, USBC_SIZE,
+ 0, &sc->sc_dwc2.sc_ioh);
+ if (status != 0)
+ panic("can't map USBC space");
+
+ status = bus_space_map(sc->sc_bust, USBN_BASE, USBN_SIZE,
+ 0, &sc->sc_regh);
+ if (status != 0)
+ panic("can't map USBN space");
+
+ status = bus_space_map(sc->sc_bust, USBN_2_BASE, USBN_2_SIZE,
+ 0, &sc->sc_reg2h);
+ if (status != 0)
+ panic("can't map USBN_2 space");
+
+ switch (MIPS_PRID_IMPL(mips_options.mips_cpu_id)) {
+ case MIPS_CN50XX:
+ /*
+ * 2. Configure the reference clock, PHY, and HCLK:
+ * a. Write USBN_CLK_CTL[POR] = 1 and
+ * USBN_CLK_CTL[HRST,PRST,HCLK_RST] = 0
+ */
+ clk = octeon_dwc2_reg_rd(sc, USBN_CLK_CTL_OFFSET);
+ clk |= USBN_CLK_CTL_POR;
+ clk &= ~(USBN_CLK_CTL_HRST | USBN_CLK_CTL_PRST |
+ USBN_CLK_CTL_HCLK_RST | USBN_CLK_CTL_ENABLE);
+ /*
+ * b. Select the USB reference clock/crystal parameters by writing
+ * appropriate values to USBN_CLK_CTL[P_C_SEL, P_RTYPE, P_COM_ON].
+ */
+ /* XXX board specific */
+ clk &= ~(USBN_CLK_CTL_P_C_SEL | USBN_CLK_CTL_P_RTYPE |
+ USBN_CLK_CTL_P_COM_ON);
+ /*
+ * c. Select the HCLK via writing USBN_CLK_CTL[DIVIDE, DIVIDE2] and
+ * setting USBN_CLK_CTL[ENABLE] = 1.
+ */
+ /* XXX board specific */
+ clk &= ~(USBN_CLK_CTL_DIVIDE | USBN_CLK_CTL_DIVIDE2);
+ clk |= SET_USBN_CLK_CTL_DIVIDE(0x4ULL)
+ | SET_USBN_CLK_CTL_DIVIDE2(0x0ULL);
+ octeon_dwc2_reg_wr(sc, USBN_CLK_CTL_OFFSET, clk);
+ /*
+ * d. Write USBN_CLK_CTL[HCLK_RST] = 1.
+ */
+ octeon_dwc2_reg_assert(sc, USBN_CLK_CTL_OFFSET, USBN_CLK_CTL_HCLK_RST);
+ /*
+ * e. Wait 64 core-clock cycles for HCLK to stabilize.
+ */
+ delay(1);
+ break;
+ case MIPS_CN31XX:
+ case MIPS_CN30XX:
+ /*
+ * 2. If changing the HCLK divide value:
+ * a. write USBN_CLK_CTL[DIVIDE] with the new divide value.
+ */
+ clk = octeon_dwc2_reg_rd(sc, USBN_CLK_CTL_OFFSET);
+ clk |= 0x4ULL & USBN_CLK_CTL_DIVIDE;
+ octeon_dwc2_reg_wr(sc, USBN_CLK_CTL_OFFSET, clk);
+ /*
+ * b. Wait 64 core-clock cycles for HCLK to stabilize.
+ */
+ delay(1);
+ break;
+ default:
+ panic("unknown H/W type"); /* XXX */
+ }
+
+ /*
+ * 3. Program the power-on reset field in the USBN clock-control register:
+ * USBN_CLK_CTL[POR] = 0
+ */
+ octeon_dwc2_reg_deassert(sc, USBN_CLK_CTL_OFFSET, USBN_CLK_CTL_POR);
+ /*
+ * 4. Wait 40 us for PHY clock to start (CN3xxx)
+ * 4. Wait 1 ms for PHY clock to start (CN50xx)
+ */
+ delay(1000);
+
+ /*
+ * 5. Program the Reset input from automatic test equipment field
+ * in the USBP control and status register:
+ * USBN_USBP_CTL_STATUS[ATE_RESET] = 1
+ */
+ octeon_dwc2_reg_assert(sc, USBN_USBP_CTL_STATUS_OFFSET,
+ USBN_USBP_CTL_STATUS_ATE_RESET);
+ /*
+ * 6. Wait 10 cycles.
+ */
+ delay(1);
+ /*
+ * 7. Clear ATE_RESET field in the USBN clock-control register:
+ * USBN_USBP_CTL_STATUS[ATE_RESET] = 0
+ */
+ octeon_dwc2_reg_deassert(sc, USBN_USBP_CTL_STATUS_OFFSET,
+ USBN_USBP_CTL_STATUS_ATE_RESET);
+ /*
+ * 8. Program the PHY reset field in the USBN clock-control register:
+ * USBN_CLK_CTL[PRST] = 1
+ */
+ octeon_dwc2_reg_assert(sc, USBN_CLK_CTL_OFFSET, USBN_CLK_CTL_PRST);
+ /*
+ * 9. Program the USBP control and status register to select host or device mode.
+ * USBN_USBP_CTL_STATUS[HST_MODE] = 0 for host, = 1 for device
+ */
+ octeon_dwc2_reg_deassert(sc, USBN_USBP_CTL_STATUS_OFFSET,
+ USBN_USBP_CTL_STATUS_HST_MODE);
+ /*
+ * 10. Wait 1 us.
+ */
+ delay(1);
+
+ /*
+ * 11. Program the hreset_n field in the USBN clock-control register:
+ * USBN_CLK_CTL[HRST] = 1
+ */
+ octeon_dwc2_reg_assert(sc, USBN_CLK_CTL_OFFSET, USBN_CLK_CTL_HRST);
+
+ delay(1);
+
+ /* Finally, enable clock */
+ octeon_dwc2_reg_assert(sc, USBN_CLK_CTL_OFFSET, USBN_CLK_CTL_ENABLE);
+
+ delay(10);
+
+ status = dwc2_init(&sc->sc_dwc2);
+ if (status != 0)
+ panic("can't initialize dwc2, error=%d\n", status);
+
+ sc->sc_dwc2.sc_child =
+ config_found(sc->sc_dwc2.sc_dev, &sc->sc_dwc2.sc_bus, usbctlprint);
+
+ sc->sc_ih = octeon_intr_establish(ffs64(CIU_INTX_SUM0_USB) - 1,
+ 0, IPL_BIO, dwc2_intr, sc);
+ if (sc->sc_ih == NULL)
+ panic("can't establish common interrupt\n");
+}
+
+static uint32_t
+octeon_dwc2_rd_4(void *v, bus_space_handle_t h, bus_size_t off)
+{
+
+ /* dwc2 uses little-endian addressing */
+ return mips3_lw_a64((h + off) ^ 4);
+}
+
+static void
+octeon_dwc2_wr_4(void *v, bus_space_handle_t h, bus_size_t off,
+ uint32_t val)
+{
+
+ /* dwc2 uses little-endian addressing */
+ mips3_sw_a64((h + off) ^ 4, val);
+}
+
+int
+octeon_dwc2_set_dma_addr(device_t self, dma_addr_t dma_addr, int ch)
+{
+ struct octeon_dwc2_softc *sc = device_private(self);
+
+ octeon_dwc2_reg2_wr(sc,
+ USBN_DMA0_INB_CHN0_OFFSET + ch * 0x8, dma_addr);
+ octeon_dwc2_reg2_wr(sc,
+ USBN_DMA0_OUTB_CHN0_OFFSET + ch * 0x8, dma_addr);
+ return 0;
+}
+
+
+static inline void
+octeon_dwc2_reg_assert(struct octeon_dwc2_softc *sc, bus_size_t offset,
+ uint64_t bits)
+{
+ uint64_t value;
+
+ value = octeon_dwc2_reg_rd(sc, offset);
+ value |= bits;
+ octeon_dwc2_reg_wr(sc, offset, value);
+}
+
+static inline void
+octeon_dwc2_reg_deassert(struct octeon_dwc2_softc *sc, bus_size_t offset,
+ uint64_t bits)
+{
+ uint64_t value;
+
+ value = octeon_dwc2_reg_rd(sc, offset);
+ value &= ~bits;
+ octeon_dwc2_reg_wr(sc, offset, value);
+}
+
+static inline uint64_t
+octeon_dwc2_reg_rd(struct octeon_dwc2_softc *sc, bus_size_t off)
+{
+ return bus_space_read_8(sc->sc_bust, sc->sc_regh, off);
+}
+
+static inline void
+octeon_dwc2_reg_wr(struct octeon_dwc2_softc *sc, bus_size_t off, uint64_t val)
+{
+ bus_space_write_8(sc->sc_bust, sc->sc_regh, off, val);
+ /* guarantee completion of the store operation on RSL registers*/
+ bus_space_read_8(sc->sc_bust, sc->sc_regh, off);
+}
+
+static inline void
+octeon_dwc2_reg2_assert(struct octeon_dwc2_softc *sc, bus_size_t off,
+ uint64_t bits)
+{
+ uint64_t val;
+
+ val = octeon_dwc2_reg2_rd(sc, off);
+ val |= bits;
+ octeon_dwc2_reg2_wr(sc, off, val);
+}
+
+static inline void
+octeon_dwc2_reg2_deassert(struct octeon_dwc2_softc *sc, bus_size_t off,
+ uint64_t bits)
+{
+ uint64_t val;
+
+ val = octeon_dwc2_reg2_rd(sc, off);
+ val &= ~bits;
+ octeon_dwc2_reg2_wr(sc, off, val);
+}
+
+static inline uint64_t
+octeon_dwc2_reg2_rd(struct octeon_dwc2_softc *sc, bus_size_t off)
+{
+ return bus_space_read_8(sc->sc_bust, sc->sc_reg2h, off);
+}
+
+static inline void
+octeon_dwc2_reg2_wr(struct octeon_dwc2_softc *sc, bus_size_t off, uint64_t val)
+{
+ bus_space_write_8(sc->sc_bust, sc->sc_reg2h, off, val);
+ /* guarantee completion of the store operation on RSL registers*/
+ bus_space_read_8(sc->sc_bust, sc->sc_reg2h, off);
+}
