diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arm/allwinner/a20/a20_cpu_cfg.c | 136 | ||||
| -rw-r--r-- | sys/arm/allwinner/a20/a20_cpu_cfg.h | 67 | ||||
| -rw-r--r-- | sys/arm/allwinner/a20/files.a20 | 21 | ||||
| -rw-r--r-- | sys/arm/allwinner/a20/std.a20 | 26 | ||||
| -rw-r--r-- | sys/arm/allwinner/common.c | 10 | ||||
| -rw-r--r-- | sys/arm/allwinner/files.a10 | 1 | ||||
| -rw-r--r-- | sys/arm/allwinner/timer.c | 18 | ||||
| -rw-r--r-- | sys/arm/conf/CUBIEBOARD2 | 133 | ||||
| -rw-r--r-- | sys/boot/fdt/dts/cubieboard2.dts | 141 |
9 files changed, 549 insertions, 4 deletions
diff --git a/sys/arm/allwinner/a20/a20_cpu_cfg.c b/sys/arm/allwinner/a20/a20_cpu_cfg.c new file mode 100644 index 0000000..6b6345c --- /dev/null +++ b/sys/arm/allwinner/a20/a20_cpu_cfg.c @@ -0,0 +1,136 @@ +/*- + * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> + * 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. + */ + +/* CPU configuration module for Allwinner A20 */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/malloc.h> +#include <sys/rman.h> +#include <sys/timeet.h> +#include <sys/timetc.h> +#include <sys/watchdog.h> +#include <machine/bus.h> +#include <machine/cpu.h> +#include <machine/frame.h> +#include <machine/intr.h> + +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/openfirm.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include <machine/bus.h> +#include <machine/fdt.h> + +#include "a20_cpu_cfg.h" + +struct a20_cpu_cfg_softc { + struct resource *res; + bus_space_tag_t bst; + bus_space_handle_t bsh; +}; + +static struct a20_cpu_cfg_softc *a20_cpu_cfg_sc = NULL; + +#define cpu_cfg_read_4(sc, reg) \ + bus_space_read_4((sc)->bst, (sc)->bsh, (reg)) +#define cpu_cfg_write_4(sc, reg, val) \ + bus_space_write_4((sc)->bst, (sc)->bsh, (reg), (val)) + +static int +a20_cpu_cfg_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "allwinner,sun7i-cpu-cfg")) { + device_set_desc(dev, "A20 CPU Configuration Module"); + return(BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +a20_cpu_cfg_attach(device_t dev) +{ + struct a20_cpu_cfg_softc *sc = device_get_softc(dev); + int rid = 0; + + if (a20_cpu_cfg_sc) + return (ENXIO); + + sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + if (!sc->res) { + device_printf(dev, "could not allocate resource\n"); + return (ENXIO); + } + + sc->bst = rman_get_bustag(sc->res); + sc->bsh = rman_get_bushandle(sc->res); + + a20_cpu_cfg_sc = sc; + + return (0); +} + +static device_method_t a20_cpu_cfg_methods[] = { + DEVMETHOD(device_probe, a20_cpu_cfg_probe), + DEVMETHOD(device_attach, a20_cpu_cfg_attach), + { 0, 0 } +}; + +static driver_t a20_cpu_cfg_driver = { + "a20_cpu_cfg", + a20_cpu_cfg_methods, + sizeof(struct a20_cpu_cfg_softc), +}; + +static devclass_t a20_cpu_cfg_devclass; + +DRIVER_MODULE(a20_cpu_cfg, simplebus, a20_cpu_cfg_driver, a20_cpu_cfg_devclass, 0, 0); + +uint64_t +a20_read_counter64(void) +{ + uint32_t lo, hi; + + /* Latch counter, wait for it to be ready to read. */ + cpu_cfg_write_4(a20_cpu_cfg_sc, OSC24M_CNT64_CTRL_REG, CNT64_RL_EN); + while (cpu_cfg_read_4(a20_cpu_cfg_sc, OSC24M_CNT64_CTRL_REG) & CNT64_RL_EN) + continue; + + hi = cpu_cfg_read_4(a20_cpu_cfg_sc, OSC24M_CNT64_HIGH_REG); + lo = cpu_cfg_read_4(a20_cpu_cfg_sc, OSC24M_CNT64_LOW_REG); + + return (((uint64_t)hi << 32) | lo); +} + diff --git a/sys/arm/allwinner/a20/a20_cpu_cfg.h b/sys/arm/allwinner/a20/a20_cpu_cfg.h new file mode 100644 index 0000000..f218e6c --- /dev/null +++ b/sys/arm/allwinner/a20/a20_cpu_cfg.h @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> + * 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 _A20_CPU_CFG_H_ +#define _A20_CPU_CFG_H_ + +#define CPU_CFG_BASE 0xe1c25c00 + +#define CPU0_RST_CTRL 0x0040 +#define CPU0_CTRL_REG 0x0044 +#define CPU0_STATUS_REG 0x0048 + +#define CPU1_RST_CTRL 0x0080 +#define CPU1_CTRL_REG 0x0084 +#define CPU1_STATUS_REG 0x0088 + +#define GENER_CTRL_REG 0x0184 + +#define EVENT_IN_REG 0x0190 +#define PRIVATE_REG 0x01a4 + +#define IDLE_CNT0_LOW_REG 0x0200 +#define IDLE_CNT0_HIGH_REG 0x0204 +#define IDLE_CNT0_CTRL_REG 0x0208 + +#define IDLE_CNT1_LOW_REG 0x0210 +#define IDLE_CNT1_HIGH_REG 0x0214 +#define IDLE_CNT1_CTRL_REG 0x0218 + +#define OSC24M_CNT64_CTRL_REG 0x0280 +#define OSC24M_CNT64_LOW_REG 0x0284 +#define OSC24M_CNT64_HIGH_REG 0x0288 + +#define LOSC_CNT64_CTRL_REG 0x0290 +#define LOSC_CNT64_LOW_REG 0x0294 +#define LOSC_CNT64_HIGH_REG 0x0298 + +#define CNT64_RL_EN 0x02 /* read latch enable */ + +uint64_t a20_read_counter64(void); + +#endif /* _A20_CPU_CFG_H_ */ diff --git a/sys/arm/allwinner/a20/files.a20 b/sys/arm/allwinner/a20/files.a20 new file mode 100644 index 0000000..c2188b6 --- /dev/null +++ b/sys/arm/allwinner/a20/files.a20 @@ -0,0 +1,21 @@ +# $FreeBSD$ +kern/kern_clocksource.c standard + +arm/arm/bus_space_asm_generic.S standard +arm/arm/bus_space_generic.c standard +arm/arm/cpufunc_asm_armv5.S standard +arm/arm/cpufunc_asm_arm10.S standard +arm/arm/cpufunc_asm_arm11.S standard +arm/arm/cpufunc_asm_armv7.S standard +arm/arm/irq_dispatch.S standard +arm/arm/gic.c standard + +arm/allwinner/a20/a20_cpu_cfg.c standard +arm/allwinner/a10_clk.c standard +arm/allwinner/a10_gpio.c optional gpio +arm/allwinner/a10_ehci.c optional ehci +arm/allwinner/a10_wdog.c standard +arm/allwinner/timer.c standard +arm/allwinner/bus_space.c standard +arm/allwinner/common.c standard +arm/allwinner/a10_machdep.c standard diff --git a/sys/arm/allwinner/a20/std.a20 b/sys/arm/allwinner/a20/std.a20 new file mode 100644 index 0000000..851308c --- /dev/null +++ b/sys/arm/allwinner/a20/std.a20 @@ -0,0 +1,26 @@ +# Allwinner A20 common options +#$FreeBSD$ + +cpu CPU_CORTEXA +machine arm armv6 +makeoption ARM_LITTLE_ENDIAN + +# Physical memory starts at 0x40200000. We assume images are loaded at +# 0x40200000, e.g. from u-boot with 'fatload mmc 0 0x40200000 kernel' +# +# +options PHYSADDR=0x40000000 + +makeoptions KERNPHYSADDR=0x40200000 +options KERNPHYSADDR=0x40200000 +makeoptions KERNVIRTADDR=0xc0200000 +options KERNVIRTADDR=0xc0200000 + +options STARTUP_PAGETABLE_ADDR=0x48000000 + +options ARM_L2_PIPT + +options IPI_IRQ_START=0 +options IPI_IRQ_END=15 + +files "../allwinner/a20/files.a20" diff --git a/sys/arm/allwinner/common.c b/sys/arm/allwinner/common.c index eb49479..2aaa451 100644 --- a/sys/arm/allwinner/common.c +++ b/sys/arm/allwinner/common.c @@ -47,10 +47,16 @@ static int fdt_aintc_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, int *pol) { - if (!fdt_is_compatible(node, "allwinner,sun4i-ic")) + int offset; + + if (fdt_is_compatible(node, "allwinner,sun4i-ic")) + offset = 0; + else if (fdt_is_compatible(node, "arm,gic")) + offset = 32; + else return (ENXIO); - *interrupt = fdt32_to_cpu(intr[0]); + *interrupt = fdt32_to_cpu(intr[0]) + offset; *trig = INTR_TRIGGER_CONFORM; *pol = INTR_POLARITY_CONFORM; diff --git a/sys/arm/allwinner/files.a10 b/sys/arm/allwinner/files.a10 index c25682a..3e25bb4 100644 --- a/sys/arm/allwinner/files.a10 +++ b/sys/arm/allwinner/files.a10 @@ -9,6 +9,7 @@ arm/arm/cpufunc_asm_arm11.S standard arm/arm/cpufunc_asm_armv7.S standard arm/arm/irq_dispatch.S standard +arm/allwinner/a20/a20_cpu_cfg.c standard arm/allwinner/a10_clk.c standard arm/allwinner/a10_gpio.c optional gpio arm/allwinner/a10_ehci.c optional ehci diff --git a/sys/arm/allwinner/timer.c b/sys/arm/allwinner/timer.c index 49c5f18..fb1d924 100644 --- a/sys/arm/allwinner/timer.c +++ b/sys/arm/allwinner/timer.c @@ -52,6 +52,8 @@ __FBSDID("$FreeBSD$"); #include <sys/kdb.h> +#include "a20/a20_cpu_cfg.h" + /** * Timer registers addr * @@ -84,6 +86,7 @@ struct a10_timer_softc { uint32_t sc_period; uint32_t timer0_freq; struct eventtimer et; + uint8_t sc_timer_type; /* 0 for A10, 1 for A20 */ }; int a10_timer_get_timerfreq(struct a10_timer_softc *); @@ -126,6 +129,10 @@ timer_read_counter64(void) { uint32_t lo, hi; + /* In case of A20 get appropriate counter info */ + if (a10_timer_sc->sc_timer_type) + return (a20_read_counter64()); + /* Latch counter, wait for it to be ready to read. */ timer_write_4(a10_timer_sc, CNT64_CTRL_REG, CNT64_RL_EN); while (timer_read_4(a10_timer_sc, CNT64_CTRL_REG) & CNT64_RL_EN) @@ -140,11 +147,18 @@ timer_read_counter64(void) static int a10_timer_probe(device_t dev) { + struct a10_timer_softc *sc; - if (!ofw_bus_is_compatible(dev, "allwinner,sun4i-timer")) + sc = device_get_softc(dev); + + if (ofw_bus_is_compatible(dev, "allwinner,sun4i-timer")) + sc->sc_timer_type = 0; + else if (ofw_bus_is_compatible(dev, "allwinner,sun7i-timer")) + sc->sc_timer_type = 1; + else return (ENXIO); - device_set_desc(dev, "Allwinner A10 timer"); + device_set_desc(dev, "Allwinner A10/A20 timer"); return (BUS_PROBE_DEFAULT); } diff --git a/sys/arm/conf/CUBIEBOARD2 b/sys/arm/conf/CUBIEBOARD2 new file mode 100644 index 0000000..8b30934 --- /dev/null +++ b/sys/arm/conf/CUBIEBOARD2 @@ -0,0 +1,133 @@ +# CUBIEBOARD2 -- Custom configuration for the CUBIEBOARD2 ARM development +# platform, check out http://www.cubieboard.org +# +# For more information on this file, please read the handbook section on +# Kernel Configuration Files: +# +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html +# +# The handbook is also available locally in /usr/share/doc/handbook +# if you've installed the doc distribution, otherwise always see the +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the +# latest information. +# +# An exhaustive list of options and more detailed explanations of the +# device lines is also present in the ../../conf/NOTES and NOTES files. +# If you are in doubt as to the purpose or necessity of a line, check first +# in NOTES. +# +# $FreeBSD$ + +ident CUBIEBOARD2 + +include "../allwinner/a20/std.a20" + +makeoptions MODULES_OVERRIDE="" +makeoptions WITHOUT_MODULES="ahc" + +options HZ=100 +options SCHED_4BSD #4BSD scheduler +options INET #InterNETworking +options INET6 #IPv6 communications protocols +options FFS #Berkeley Fast Filesystem +options SOFTUPDATES #Enable FFS soft updates support +options UFS_ACL #Support for access control lists +options UFS_DIRHASH #Improve performance on big directories +options MSDOSFS #MSDOS Filesystem +options CD9660 #ISO 9660 Filesystem +options PROCFS #Process filesystem (requires PSEUDOFS) +options PSEUDOFS #Pseudo-filesystem framework +options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!] +options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI +options KTRACE #ktrace(1) support +options SYSVSHM #SYSV-style shared memory +options SYSVMSG #SYSV-style message queues +options SYSVSEM #SYSV-style semaphores +options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions +options KBD_INSTALL_CDEV # install a CDEV entry in /dev +options PREEMPTION +options FREEBSD_BOOT_LOADER + +# Debugging +makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols +options BREAK_TO_DEBUGGER +#options VERBOSE_SYSINIT #Enable verbose sysinit messages +options KDB +options DDB #Enable the kernel debugger +options INVARIANTS #Enable calls of extra sanity checking +options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS +options WITNESS #Enable checks to detect deadlocks and cycles +options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed +#options DIAGNOSTIC + +# NFS support +#options NFSCL +#options NFSSERVER #Network Filesystem Server +#options NFSCLIENT #Network Filesystem Client + +# Uncomment this for NFS root +#options NFS_ROOT #NFS usable as /, requires NFSCLIENT +#options BOOTP_NFSROOT +#options BOOTP_COMPAT +#options BOOTP +#options BOOTP_NFSV3 +#options BOOTP_WIRED_TO=cpsw0 + +# MMC/SD/SDIO card slot support +#device mmc # mmc/sd bus +#device mmcsd # mmc/sd flash cards + +# Boot device is 2nd slice on MMC/SD card +options ROOTDEVNAME=\"ufs:/dev/da0s2\" + +# ATA controllers +#device ahci # AHCI-compatible SATA controllers +#device ata # Legacy ATA/SATA controllers +#options ATA_STATIC_ID # Static device numbering + +# Console and misc +device uart +device uart_ns8250 +device pty +device snp +device md +device random # Entropy device + +# I2C support +#device iicbus +#device iic + +# GPIO +device gpio + +device scbus # SCSI bus (required for SCSI) +device da # Direct Access (disks) +device pass + +# USB support +device usb +options USB_DEBUG +#options USB_REQ_DEBUG +#options USB_VERBOSE +#device uhci +#device ohci +device ehci + +device umass + +# Ethernet +device loop +device ether +device mii +device smscphy +#device cpsw +device bpf + +# USB ethernet support, requires miibus +device miibus + +# Flattened Device Tree +options FDT +options FDT_DTB_STATIC +makeoptions FDT_DTS_FILE=cubieboard2.dts + diff --git a/sys/boot/fdt/dts/cubieboard2.dts b/sys/boot/fdt/dts/cubieboard2.dts new file mode 100644 index 0000000..0600ced --- /dev/null +++ b/sys/boot/fdt/dts/cubieboard2.dts @@ -0,0 +1,141 @@ +/*- + * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> + * 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. + * + * $FreeBSD$ + */ + +/dts-v1/; + +/ { + model = "Cubietech Cubieboard2"; + compatible = "cubietech,a20-cubieboard", "allwinner,sun7i-a20"; + #address-cells = <1>; + #size-cells = <1>; + + interrupt-parent = <&GIC>; + + memory { + device_type = "memory"; + reg = < 0x40000000 0x20000000 >; /* 512MB RAM */ + }; + + aliases { + soc = &SOC; + UART0 = &UART0; + }; + + SOC: a20 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges; + bus-frequency = <0>; + + GIC: interrupt-controller@01c81000 { + compatible = "arm,gic"; + reg = <0x01c81000 0x1000>, /* Distributor Registers */ + <0x01c82000 0x0100>; /* CPU Interface Registers */ + interrupt-controller; + #interrupt-cells = <1>; + }; + + cpu-cfg@01c20000 { + compatible = "allwinner,sun7i-cpu-cfg"; + #address-cells = <1>; + #size-cells = <1>; + reg = < 0x01c25c00 0x400 >; + }; + + ccm@01c20000 { + compatible = "allwinner,sun4i-ccm"; + #address-cells = <1>; + #size-cells = <1>; + reg = < 0x01c20000 0x400 >; + }; + + timer@01c20c00 { + compatible = "allwinner,sun7i-timer"; + reg = <0x01c20c00 0x90>; + interrupts = < 22 >; + interrupt-parent = <&GIC>; + clock-frequency = < 24000000 >; + }; + + watchdog@01c20c90 { + compatible = "allwinner,sun4i-wdt"; + reg = <0x01c20c90 0x10>; + }; + + GPIO: gpio@01c20800 { + #gpio-cells = <3>; + compatible = "allwinner,sun4i-gpio"; + gpio-controller; + reg =< 0x01c20800 0x400 >; + interrupts = < 28 >; + interrupt-parent = <&GIC>; + }; + + usb1: usb@01c14000 { + compatible = "allwinner,usb-ehci", "usb-ehci"; + reg = <0x01c14000 0x1000>; + interrupts = < 39 >; + interrupt-parent = <&GIC>; + }; + + usb2: usb@01c1c000 { + compatible = "allwinner,usb-ehci", "usb-ehci"; + reg = <0x01c1c000 0x1000>; + interrupts = < 40 >; + interrupt-parent = <&GIC>; + }; + + sata@01c18000 { + compatible = "allwinner,ahci"; + reg = <0x01c18000 0x1000>; + interrupts = <56>; + interrupt-parent = <&GIC>; + }; + + UART0: serial@01c28000 { + status = "okay"; + compatible = "ns16550"; + reg = <0x01c28000 0x400>; + reg-shift = <2>; + interrupts = <1>; + interrupt-parent = <&GIC>; + current-speed = <115200>; + clock-frequency = < 24000000 >; + busy-detect = <1>; + broken-txfifo = <1>; + }; + }; + + chosen { + bootargs = "-v"; + stdin = "UART0"; + stdout = "UART0"; + }; +}; + |
