From 52a49d45767202eda504865adcfda6c27523ef1e Mon Sep 17 00:00:00 2001 From: gonzo Date: Thu, 13 Dec 2012 23:19:13 +0000 Subject: Add support for QEMU's version of Versatile Platform Board --- sys/arm/conf/VERSATILEPB | 101 ++++ sys/arm/versatile/bus_space.c | 113 ++++ sys/arm/versatile/common.c | 75 +++ sys/arm/versatile/files.versatile | 22 + sys/arm/versatile/if_smc_fdt.c | 131 +++++ sys/arm/versatile/pl050.c | 713 ++++++++++++++++++++++++ sys/arm/versatile/sp804.c | 352 ++++++++++++ sys/arm/versatile/versatile_clcd.c | 828 ++++++++++++++++++++++++++++ sys/arm/versatile/versatile_machdep.c | 122 ++++ sys/arm/versatile/versatile_pci.c | 510 +++++++++++++++++ sys/arm/versatile/versatile_pci_bus_space.c | 153 +++++ sys/arm/versatile/versatile_pci_bus_space.h | 35 ++ sys/arm/versatile/versatile_sic.c | 133 +++++ sys/arm/versatile/versatile_timer.c | 59 ++ 14 files changed, 3347 insertions(+) create mode 100644 sys/arm/conf/VERSATILEPB create mode 100644 sys/arm/versatile/bus_space.c create mode 100644 sys/arm/versatile/common.c create mode 100644 sys/arm/versatile/files.versatile create mode 100644 sys/arm/versatile/if_smc_fdt.c create mode 100644 sys/arm/versatile/pl050.c create mode 100644 sys/arm/versatile/sp804.c create mode 100644 sys/arm/versatile/versatile_clcd.c create mode 100644 sys/arm/versatile/versatile_machdep.c create mode 100644 sys/arm/versatile/versatile_pci.c create mode 100644 sys/arm/versatile/versatile_pci_bus_space.c create mode 100644 sys/arm/versatile/versatile_pci_bus_space.h create mode 100644 sys/arm/versatile/versatile_sic.c create mode 100644 sys/arm/versatile/versatile_timer.c (limited to 'sys/arm') diff --git a/sys/arm/conf/VERSATILEPB b/sys/arm/conf/VERSATILEPB new file mode 100644 index 0000000..9c87eff --- /dev/null +++ b/sys/arm/conf/VERSATILEPB @@ -0,0 +1,101 @@ +# RPI-B -- Custom configuration for the Raspberry Pi +# +# 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 VERSATILEPB +machine arm armv6 +cpu CPU_ARM11 + +files "../versatile/files.versatile" +makeoptions MODULES_OVERRIDE="" + +options KERNVIRTADDR=0xc0100000 +makeoptions KERNVIRTADDR=0xc0100000 +options KERNPHYSADDR=0x00100000 +makeoptions KERNPHYSADDR=0x00100000 +options PHYSADDR=0x00000000 +options STARTUP_PAGETABLE_ADDR=0x01000000 +options FREEBSD_BOOT_LOADER +options LINUX_BOOT_ABI + +makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols +options HZ=100 + +options SCHED_4BSD #4BSD scheduler +options INET #InterNETworking +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 +device snp + +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 ROOTDEVNAME=\"ufs:da0s2a\" + +options PREEMPTION + +device bpf +device loop +device mii +device mii_bitbang +device smc +device smcphy +device ether +device uart +device pl011 +device pl190 + +device pty + +device pci + +# SCSI Controllers +device sym # NCR/Symbios/LSI Logic 53C8XX/53C1010/53C1510D + +# ATA/SCSI peripherals +device scbus # SCSI bus (required for ATA/SCSI) +device da # Direct Access (disks) +device pass # Passthrough device (direct ATA/SCSI access) + +# NOTE: serial console is disabled if syscons enabled +# Comment following lines for headless setup +device sc +device kbdmux +options SC_DFLT_FONT # compile font in +makeoptions SC_DFLT_FONT=cp437 + +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 + +device md +device random # Entropy device + +# Flattened Device Tree +options FDT +options FDT_DTB_STATIC +makeoptions FDT_DTS_FILE=versatilepb.dts diff --git a/sys/arm/versatile/bus_space.c b/sys/arm/versatile/bus_space.c new file mode 100644 index 0000000..4cce820 --- /dev/null +++ b/sys/arm/versatile/bus_space.c @@ -0,0 +1,113 @@ +/*- + * Copyright (C) 2012 FreeBSD Foundation + * 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. + * 3. Neither the name of MARVELL nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include + +#include + +/* Prototypes for all the bus_space structure functions */ +bs_protos(generic); +bs_protos(generic_armv4); + +struct bus_space _base_tag = { + /* cookie */ + .bs_cookie = (void *) 0, + + /* mapping/unmapping */ + .bs_map = generic_bs_map, + .bs_unmap = generic_bs_unmap, + .bs_subregion = generic_bs_subregion, + + /* allocation/deallocation */ + .bs_alloc = generic_bs_alloc, + .bs_free = generic_bs_free, + + /* barrier */ + .bs_barrier = generic_bs_barrier, + + /* read (single) */ + .bs_r_1 = generic_bs_r_1, + .bs_r_2 = generic_armv4_bs_r_2, + .bs_r_4 = generic_bs_r_4, + .bs_r_8 = NULL, + + /* read multiple */ + .bs_rm_1 = generic_bs_rm_1, + .bs_rm_2 = generic_armv4_bs_rm_2, + .bs_rm_4 = generic_bs_rm_4, + .bs_rm_8 = NULL, + + /* read region */ + .bs_rr_1 = generic_bs_rr_1, + .bs_rr_2 = generic_armv4_bs_rr_2, + .bs_rr_4 = generic_bs_rr_4, + .bs_rr_8 = NULL, + + /* write (single) */ + .bs_w_1 = generic_bs_w_1, + .bs_w_2 = generic_armv4_bs_w_2, + .bs_w_4 = generic_bs_w_4, + .bs_w_8 = NULL, + + /* write multiple */ + .bs_wm_1 = generic_bs_wm_1, + .bs_wm_2 = generic_armv4_bs_wm_2, + .bs_wm_4 = generic_bs_wm_4, + .bs_wm_8 = NULL, + + /* write region */ + .bs_wr_1 = generic_bs_wr_1, + .bs_wr_2 = generic_armv4_bs_wr_2, + .bs_wr_4 = generic_bs_wr_4, + .bs_wr_8 = NULL, + + /* set multiple */ + /* XXX not implemented */ + + /* set region */ + .bs_sr_1 = NULL, + .bs_sr_2 = generic_armv4_bs_sr_2, + .bs_sr_4 = generic_bs_sr_4, + .bs_sr_8 = NULL, + + /* copy */ + .bs_c_1 = NULL, + .bs_c_2 = generic_armv4_bs_c_2, + .bs_c_4 = NULL, + .bs_c_8 = NULL, +}; + +bus_space_tag_t fdtbus_bs_tag = &_base_tag; diff --git a/sys/arm/versatile/common.c b/sys/arm/versatile/common.c new file mode 100644 index 0000000..766db9d --- /dev/null +++ b/sys/arm/versatile/common.c @@ -0,0 +1,75 @@ +/*- + * Copyright (C) 2008-2011 MARVELL INTERNATIONAL LTD. + * All rights reserved. + * + * Developed by Semihalf. + * + * 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. + * 3. Neither the name of MARVELL nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "opt_global.h" + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +struct fdt_fixup_entry fdt_fixup_table[] = { + { NULL, NULL } +}; + +static int +fdt_intc_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig, + int *pol) +{ + + if (!fdt_is_compatible(node, "arm,versatile-vic")) + return (ENXIO); + + *interrupt = fdt32_to_cpu(intr[0]); + *trig = INTR_TRIGGER_CONFORM; + *pol = INTR_POLARITY_CONFORM; + + return (0); +} + + +fdt_pic_decode_t fdt_pic_table[] = { + &fdt_intc_decode_ic, + NULL +}; diff --git a/sys/arm/versatile/files.versatile b/sys/arm/versatile/files.versatile new file mode 100644 index 0000000..0a00298 --- /dev/null +++ b/sys/arm/versatile/files.versatile @@ -0,0 +1,22 @@ +# $FreeBSD$ + +arm/arm/bus_space_asm_generic.S standard +arm/arm/bus_space_generic.c standard +arm/arm/cpufunc_asm_arm11.S standard +arm/arm/cpufunc_asm_armv5.S standard +arm/arm/cpufunc_asm_armv6.S standard +arm/arm/irq_dispatch.S standard + +arm/versatile/bus_space.c standard +arm/versatile/common.c standard +arm/versatile/pl050.c optional sc +arm/versatile/sp804.c standard +arm/versatile/versatile_machdep.c standard +arm/versatile/versatile_clcd.c optional sc +arm/versatile/versatile_pci.c optional pci +arm/versatile/versatile_pci_bus_space.c optional pci +arm/versatile/versatile_sic.c standard +arm/versatile/versatile_timer.c standard +arm/versatile/if_smc_fdt.c optional smc + +kern/kern_clocksource.c standard diff --git a/sys/arm/versatile/if_smc_fdt.c b/sys/arm/versatile/if_smc_fdt.c new file mode 100644 index 0000000..f61f18a --- /dev/null +++ b/sys/arm/versatile/if_smc_fdt.c @@ -0,0 +1,131 @@ +/*- + * Copyright (c) 2008 Benno Rice + * 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 ``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 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include + +#include +#include + +#include +#include + +#include +#include +#include +#include + +#include + +#include +#include + +#include +#include +#include +#include + +#include "miibus_if.h" + +static int smc_fdt_probe(device_t); +static int smc_fdt_attach(device_t); +static int smc_fdt_detach(device_t); + +static int +smc_fdt_probe(device_t dev) +{ + struct smc_softc *sc; + + if (ofw_bus_is_compatible(dev, "smsc,lan91c111")) { + sc = device_get_softc(dev); + sc->smc_usemem = 1; + + if (smc_probe(dev) != 0) { + return (ENXIO); + } + + return (0); + } + + return (ENXIO); +} + +static int +smc_fdt_attach(device_t dev) +{ + int err; + struct smc_softc *sc; + + sc = device_get_softc(dev); + + err = smc_attach(dev); + if (err) { + return (err); + } + + return (0); +} + +static int +smc_fdt_detach(device_t dev) +{ + + smc_detach(dev); + + return (0); +} + +static device_method_t smc_fdt_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, smc_fdt_probe), + DEVMETHOD(device_attach, smc_fdt_attach), + DEVMETHOD(device_detach, smc_fdt_detach), + + /* MII interface */ + DEVMETHOD(miibus_readreg, smc_miibus_readreg), + DEVMETHOD(miibus_writereg, smc_miibus_writereg), + DEVMETHOD(miibus_statchg, smc_miibus_statchg), + + { 0, 0 } +}; + +static driver_t smc_fdt_driver = { + "smc", + smc_fdt_methods, + sizeof(struct smc_softc), +}; + +extern devclass_t smc_devclass; + +DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0); +DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0); +MODULE_DEPEND(smc, fdt, 1, 1, 1); +MODULE_DEPEND(smc, ether, 1, 1, 1); +MODULE_DEPEND(smc, miibus, 1, 1, 1); diff --git a/sys/arm/versatile/pl050.c b/sys/arm/versatile/pl050.c new file mode 100644 index 0000000..f6662b1 --- /dev/null +++ b/sys/arm/versatile/pl050.c @@ -0,0 +1,713 @@ +/* + * Copyright (c) 2012 Oleksandr Tymoshenko + * All rights reserved. + * + * Based on dev/usb/input/ukbd.c + * + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include +#include + +#include + +#define KMI_LOCK() mtx_lock(&Giant) +#define KMI_UNLOCK() mtx_unlock(&Giant) + +#ifdef INVARIANTS +/* + * Assert that the lock is held in all contexts + * where the code can be executed. + */ +#define KMI_LOCK_ASSERT() mtx_assert(&Giant, MA_OWNED) +/* + * Assert that the lock is held in the contexts + * where it really has to be so. + */ +#define KMI_CTX_LOCK_ASSERT() \ + do { \ + if (!kdb_active && panicstr == NULL) \ + mtx_assert(&Giant, MA_OWNED); \ + } while (0) +#else +#define KMI_LOCK_ASSERT() (void)0 +#define KMI_CTX_LOCK_ASSERT() (void)0 +#endif + +#define KMICR 0x00 +#define KMICR_TYPE_NONPS2 (1 << 5) +#define KMICR_RXINTREN (1 << 4) +#define KMICR_TXINTREN (1 << 3) +#define KMICR_EN (1 << 2) +#define KMICR_FKMID (1 << 1) +#define KMICR_FKMIC (1 << 0) +#define KMISTAT 0x04 +#define KMISTAT_TXEMPTY (1 << 6) +#define KMISTAT_TXBUSY (1 << 5) +#define KMISTAT_RXFULL (1 << 4) +#define KMISTAT_RXBUSY (1 << 3) +#define KMISTAT_RXPARITY (1 << 2) +#define KMISTAT_KMIC (1 << 1) +#define KMISTAT_KMID (1 << 0) +#define KMIDATA 0x08 +#define KMICLKDIV 0x0C +#define KMIIR 0x10 +#define KMIIR_TXINTR (1 << 1) +#define KMIIR_RXINTR (1 << 0) + +#define KMI_DRIVER_NAME "kmi" +#define KMI_NFKEY (sizeof(fkey_tab)/sizeof(fkey_tab[0])) /* units */ + +struct kmi_softc { + keyboard_t sc_kbd; + keymap_t sc_keymap; + accentmap_t sc_accmap; + fkeytab_t sc_fkeymap[KMI_NFKEY]; + + struct resource* sc_mem_res; + struct resource* sc_irq_res; + void* sc_intr_hl; + + int sc_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */ + int sc_state; /* shift/lock key state */ + int sc_accents; /* accent key index (> 0) */ + uint32_t sc_flags; /* flags */ +#define KMI_FLAG_COMPOSE 0x00000001 +#define KMI_FLAG_POLLING 0x00000002 + + struct thread *sc_poll_thread; +}; + +/* Read/Write macros for Timer used as timecounter */ +#define pl050_kmi_read_4(sc, reg) \ + bus_read_4((sc)->sc_mem_res, (reg)) + +#define pl050_kmi_write_4(sc, reg, val) \ + bus_write_4((sc)->sc_mem_res, (reg), (val)) + +/* prototypes */ +static void kmi_set_leds(struct kmi_softc *, uint8_t); +static int kmi_set_typematic(keyboard_t *, int); +static uint32_t kmi_read_char(keyboard_t *, int); +static void kmi_clear_state(keyboard_t *); +static int kmi_ioctl(keyboard_t *, u_long, caddr_t); +static int kmi_enable(keyboard_t *); +static int kmi_disable(keyboard_t *); + +/* early keyboard probe, not supported */ +static int +kmi_configure(int flags) +{ + return (0); +} + +/* detect a keyboard, not used */ +static int +kmi_probe(int unit, void *arg, int flags) +{ + return (ENXIO); +} + +/* reset and initialize the device, not used */ +static int +kmi_init(int unit, keyboard_t **kbdp, void *arg, int flags) +{ + return (ENXIO); +} + +/* test the interface to the device, not used */ +static int +kmi_test_if(keyboard_t *kbd) +{ + return (0); +} + +/* finish using this keyboard, not used */ +static int +kmi_term(keyboard_t *kbd) +{ + return (ENXIO); +} + +/* keyboard interrupt routine, not used */ +static int +kmi_intr(keyboard_t *kbd, void *arg) +{ + + return (0); +} + +/* lock the access to the keyboard, not used */ +static int +kmi_lock(keyboard_t *kbd, int lock) +{ + return (1); +} + +/* + * Enable the access to the device; until this function is called, + * the client cannot read from the keyboard. + */ +static int +kmi_enable(keyboard_t *kbd) +{ + + KMI_LOCK(); + KBD_ACTIVATE(kbd); + KMI_UNLOCK(); + + return (0); +} + +/* disallow the access to the device */ +static int +kmi_disable(keyboard_t *kbd) +{ + + KMI_LOCK(); + KBD_DEACTIVATE(kbd); + KMI_UNLOCK(); + + return (0); +} + +/* check if data is waiting */ +static int +kmi_check(keyboard_t *kbd) +{ + struct kmi_softc *sc = kbd->kb_data; + uint32_t reg; + + KMI_CTX_LOCK_ASSERT(); + + if (!KBD_IS_ACTIVE(kbd)) + return (0); + + reg = pl050_kmi_read_4(sc, KMIIR); + return (reg & KMIIR_RXINTR); +} + +/* check if char is waiting */ +static int +kmi_check_char_locked(keyboard_t *kbd) +{ + KMI_CTX_LOCK_ASSERT(); + + if (!KBD_IS_ACTIVE(kbd)) + return (0); + + return (kmi_check(kbd)); +} + +static int +kmi_check_char(keyboard_t *kbd) +{ + int result; + + KMI_LOCK(); + result = kmi_check_char_locked(kbd); + KMI_UNLOCK(); + + return (result); +} + +/* read one byte from the keyboard if it's allowed */ +/* Currently unused. */ +static int +kmi_read(keyboard_t *kbd, int wait) +{ + KMI_CTX_LOCK_ASSERT(); + + if (!KBD_IS_ACTIVE(kbd)) + return (-1); + + ++(kbd->kb_count); + printf("Implement ME: %s\n", __func__); + return (0); +} + +/* read char from the keyboard */ +static uint32_t +kmi_read_char_locked(keyboard_t *kbd, int wait) +{ + struct kmi_softc *sc = kbd->kb_data; + uint32_t reg, data; + + KMI_CTX_LOCK_ASSERT(); + + if (!KBD_IS_ACTIVE(kbd)) + return (NOKEY); + + reg = pl050_kmi_read_4(sc, KMIIR); + if (reg & KMIIR_RXINTR) { + data = pl050_kmi_read_4(sc, KMIDATA); + return (data); + } + + ++kbd->kb_count; + return (NOKEY); +} + +/* Currently wait is always false. */ +static uint32_t +kmi_read_char(keyboard_t *kbd, int wait) +{ + uint32_t keycode; + + KMI_LOCK(); + keycode = kmi_read_char_locked(kbd, wait); + KMI_UNLOCK(); + + return (keycode); +} + +/* some useful control functions */ +static int +kmi_ioctl_locked(keyboard_t *kbd, u_long cmd, caddr_t arg) +{ + struct kmi_softc *sc = kbd->kb_data; + int i; +#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ + defined(COMPAT_FREEBSD4) || defined(COMPAT_43) + int ival; + +#endif + + KMI_LOCK_ASSERT(); + + switch (cmd) { + case KDGKBMODE: /* get keyboard mode */ + *(int *)arg = sc->sc_mode; + break; +#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ + defined(COMPAT_FREEBSD4) || defined(COMPAT_43) + case _IO('K', 7): + ival = IOCPARM_IVAL(arg); + arg = (caddr_t)&ival; + /* FALLTHROUGH */ +#endif + case KDSKBMODE: /* set keyboard mode */ + switch (*(int *)arg) { + case K_XLATE: + if (sc->sc_mode != K_XLATE) { + /* make lock key state and LED state match */ + sc->sc_state &= ~LOCK_MASK; + sc->sc_state |= KBD_LED_VAL(kbd); + } + /* FALLTHROUGH */ + case K_RAW: + case K_CODE: + if (sc->sc_mode != *(int *)arg) { + if ((sc->sc_flags & KMI_FLAG_POLLING) == 0) + kmi_clear_state(kbd); + sc->sc_mode = *(int *)arg; + } + break; + default: + return (EINVAL); + } + break; + + case KDGETLED: /* get keyboard LED */ + *(int *)arg = KBD_LED_VAL(kbd); + break; +#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ + defined(COMPAT_FREEBSD4) || defined(COMPAT_43) + case _IO('K', 66): + ival = IOCPARM_IVAL(arg); + arg = (caddr_t)&ival; + /* FALLTHROUGH */ +#endif + case KDSETLED: /* set keyboard LED */ + /* NOTE: lock key state in "sc_state" won't be changed */ + if (*(int *)arg & ~LOCK_MASK) + return (EINVAL); + + i = *(int *)arg; + + /* replace CAPS LED with ALTGR LED for ALTGR keyboards */ + if (sc->sc_mode == K_XLATE && + kbd->kb_keymap->n_keys > ALTGR_OFFSET) { + if (i & ALKED) + i |= CLKED; + else + i &= ~CLKED; + } + if (KBD_HAS_DEVICE(kbd)) + kmi_set_leds(sc, i); + + KBD_LED_VAL(kbd) = *(int *)arg; + break; + case KDGKBSTATE: /* get lock key state */ + *(int *)arg = sc->sc_state & LOCK_MASK; + break; +#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ + defined(COMPAT_FREEBSD4) || defined(COMPAT_43) + case _IO('K', 20): + ival = IOCPARM_IVAL(arg); + arg = (caddr_t)&ival; + /* FALLTHROUGH */ +#endif + case KDSKBSTATE: /* set lock key state */ + if (*(int *)arg & ~LOCK_MASK) { + return (EINVAL); + } + sc->sc_state &= ~LOCK_MASK; + sc->sc_state |= *(int *)arg; + + /* set LEDs and quit */ + return (kmi_ioctl(kbd, KDSETLED, arg)); + + case KDSETREPEAT: /* set keyboard repeat rate (new + * interface) */ + if (!KBD_HAS_DEVICE(kbd)) { + return (0); + } + if (((int *)arg)[1] < 0) { + return (EINVAL); + } + if (((int *)arg)[0] < 0) { + return (EINVAL); + } + if (((int *)arg)[0] < 200) /* fastest possible value */ + kbd->kb_delay1 = 200; + else + kbd->kb_delay1 = ((int *)arg)[0]; + kbd->kb_delay2 = ((int *)arg)[1]; + return (0); + +#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ + defined(COMPAT_FREEBSD4) || defined(COMPAT_43) + case _IO('K', 67): + ival = IOCPARM_IVAL(arg); + arg = (caddr_t)&ival; + /* FALLTHROUGH */ +#endif + case KDSETRAD: /* set keyboard repeat rate (old + * interface) */ + return (kmi_set_typematic(kbd, *(int *)arg)); + + case PIO_KEYMAP: /* set keyboard translation table */ + case OPIO_KEYMAP: /* set keyboard translation table + * (compat) */ + case PIO_KEYMAPENT: /* set keyboard translation table + * entry */ + case PIO_DEADKEYMAP: /* set accent key translation table */ + sc->sc_accents = 0; + /* FALLTHROUGH */ + default: + return (genkbd_commonioctl(kbd, cmd, arg)); + } + + return (0); +} + +static int +kmi_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg) +{ + int result; + + /* + * XXX KDGKBSTATE, KDSKBSTATE and KDSETLED can be called from any + * context where printf(9) can be called, which among other things + * includes interrupt filters and threads with any kinds of locks + * already held. For this reason it would be dangerous to acquire + * the Giant here unconditionally. On the other hand we have to + * have it to handle the ioctl. + * So we make our best effort to auto-detect whether we can grab + * the Giant or not. Blame syscons(4) for this. + */ + switch (cmd) { + case KDGKBSTATE: + case KDSKBSTATE: + case KDSETLED: + if (!mtx_owned(&Giant) && !SCHEDULER_STOPPED()) + return (EDEADLK); /* best I could come up with */ + /* FALLTHROUGH */ + default: + KMI_LOCK(); + result = kmi_ioctl_locked(kbd, cmd, arg); + KMI_UNLOCK(); + return (result); + } +} + + +/* clear the internal state of the keyboard */ +static void +kmi_clear_state(keyboard_t *kbd) +{ + struct kmi_softc *sc = kbd->kb_data; + + KMI_CTX_LOCK_ASSERT(); + + sc->sc_flags &= ~(KMI_FLAG_COMPOSE | KMI_FLAG_POLLING); + sc->sc_state &= LOCK_MASK; /* preserve locking key state */ + sc->sc_accents = 0; +} + +/* save the internal state, not used */ +static int +kmi_get_state(keyboard_t *kbd, void *buf, size_t len) +{ + return (len == 0) ? 1 : -1; +} + +/* set the internal state, not used */ +static int +kmi_set_state(keyboard_t *kbd, void *buf, size_t len) +{ + return (EINVAL); +} + +static int +kmi_poll(keyboard_t *kbd, int on) +{ + struct kmi_softc *sc = kbd->kb_data; + + KMI_LOCK(); + if (on) { + sc->sc_flags |= KMI_FLAG_POLLING; + sc->sc_poll_thread = curthread; + } else { + sc->sc_flags &= ~KMI_FLAG_POLLING; + } + KMI_UNLOCK(); + + return (0); +} + +/* local functions */ + +static void +kmi_set_leds(struct kmi_softc *sc, uint8_t leds) +{ + + KMI_LOCK_ASSERT(); + + /* start transfer, if not already started */ + printf("Implement me: %s\n", __func__); +} + +static int +kmi_set_typematic(keyboard_t *kbd, int code) +{ + static const int delays[] = {250, 500, 750, 1000}; + static const int rates[] = {34, 38, 42, 46, 50, 55, 59, 63, + 68, 76, 84, 92, 100, 110, 118, 126, + 136, 152, 168, 184, 200, 220, 236, 252, + 272, 304, 336, 368, 400, 440, 472, 504}; + + if (code & ~0x7f) { + return (EINVAL); + } + kbd->kb_delay1 = delays[(code >> 5) & 3]; + kbd->kb_delay2 = rates[code & 0x1f]; + return (0); +} + +static keyboard_switch_t kmisw = { + .probe = &kmi_probe, + .init = &kmi_init, + .term = &kmi_term, + .intr = &kmi_intr, + .test_if = &kmi_test_if, + .enable = &kmi_enable, + .disable = &kmi_disable, + .read = &kmi_read, + .check = &kmi_check, + .read_char = &kmi_read_char, + .check_char = &kmi_check_char, + .ioctl = &kmi_ioctl, + .lock = &kmi_lock, + .clear_state = &kmi_clear_state, + .get_state = &kmi_get_state, + .set_state = &kmi_set_state, + .get_fkeystr = &genkbd_get_fkeystr, + .poll = &kmi_poll, + .diag = &genkbd_diag, +}; + +KEYBOARD_DRIVER(kmi, kmisw, kmi_configure); + +static void +pl050_kmi_intr(void *arg) +{ + struct kmi_softc *sc = arg; + uint32_t c; + + KMI_CTX_LOCK_ASSERT(); + + if ((sc->sc_flags & KMI_FLAG_POLLING) != 0) + return; + + if (KBD_IS_ACTIVE(&sc->sc_kbd) && + KBD_IS_BUSY(&sc->sc_kbd)) { + /* let the callback function process the input */ + (sc->sc_kbd.kb_callback.kc_func) (&sc->sc_kbd, KBDIO_KEYINPUT, + sc->sc_kbd.kb_callback.kc_arg); + } else { + /* read and discard the input, no one is waiting for it */ + do { + c = kmi_read_char_locked(&sc->sc_kbd, 0); + } while (c != NOKEY); + } + +} + +static int +pl050_kmi_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "arm,pl050")) { + device_set_desc(dev, "PL050 Keyboard/Mouse Interface"); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +pl050_kmi_attach(device_t dev) +{ + struct kmi_softc *sc = device_get_softc(dev); + keyboard_t *kbd; + int rid; + int i; + + kbd = &sc->sc_kbd; + rid = 0; + + sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + if (sc->sc_mem_res == NULL) { + device_printf(dev, "could not allocate memory resource\n"); + return (ENXIO); + } + + /* Request the IRQ resources */ + sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + device_printf(dev, "Error: could not allocate irq resources\n"); + return (ENXIO); + } + + /* Setup and enable the timer */ + if (bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_CLK, + NULL, pl050_kmi_intr, sc, + &sc->sc_intr_hl) != 0) { + bus_release_resource(dev, SYS_RES_IRQ, rid, + sc->sc_irq_res); + device_printf(dev, "Unable to setup the clock irq handler.\n"); + return (ENXIO); + } + + /* TODO: clock & divisor */ + + pl050_kmi_write_4(sc, KMICR, KMICR_EN | KMICR_RXINTREN); + + kbd_init_struct(kbd, KMI_DRIVER_NAME, KB_OTHER, + device_get_unit(dev), 0, 0, 0); + kbd->kb_data = (void *)sc; + + sc->sc_keymap = key_map; + sc->sc_accmap = accent_map; + for (i = 0; i < KMI_NFKEY; i++) { + sc->sc_fkeymap[i] = fkey_tab[i]; + } + + kbd_set_maps(kbd, &sc->sc_keymap, &sc->sc_accmap, + sc->sc_fkeymap, KMI_NFKEY); + + KBD_FOUND_DEVICE(kbd); + kmi_clear_state(kbd); + KBD_PROBE_DONE(kbd); + + KBD_INIT_DONE(kbd); + + if (kbd_register(kbd) < 0) { + goto detach; + } + KBD_CONFIG_DONE(kbd); + +#ifdef KBD_INSTALL_CDEV + if (kbd_attach(kbd)) { + goto detach; + } +#endif + + if (bootverbose) { + genkbd_diag(kbd, bootverbose); + } + return (0); + +detach: + return (ENXIO); + +} + +static device_method_t pl050_kmi_methods[] = { + DEVMETHOD(device_probe, pl050_kmi_probe), + DEVMETHOD(device_attach, pl050_kmi_attach), + { 0, 0 } +}; + +static driver_t pl050_kmi_driver = { + "kmi", + pl050_kmi_methods, + sizeof(struct kmi_softc), +}; + +static devclass_t pl050_kmi_devclass; + +DRIVER_MODULE(pl050_kmi, simplebus, pl050_kmi_driver, pl050_kmi_devclass, 0, 0); diff --git a/sys/arm/versatile/sp804.c b/sys/arm/versatile/sp804.c new file mode 100644 index 0000000..82a1889 --- /dev/null +++ b/sys/arm/versatile/sp804.c @@ -0,0 +1,352 @@ +/* + * Copyright (c) 2012 Oleksandr Tymoshenko + * Copyright (c) 2012 Damjan Marion + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#define SP804_TIMER1_LOAD 0x00 +#define SP804_TIMER1_VALUE 0x04 +#define SP804_TIMER1_CONTROL 0x08 +#define TIMER_CONTROL_EN (1 << 7) +#define TIMER_CONTROL_FREERUN (0 << 6) +#define TIMER_CONTROL_PERIODIC (1 << 6) +#define TIMER_CONTROL_INTREN (1 << 5) +#define TIMER_CONTROL_DIV1 (0 << 2) +#define TIMER_CONTROL_DIV16 (1 << 2) +#define TIMER_CONTROL_DIV256 (2 << 2) +#define TIMER_CONTROL_32BIT (1 << 1) +#define TIMER_CONTROL_ONESHOT (1 << 0) +#define SP804_TIMER1_INTCLR 0x0C +#define SP804_TIMER1_RIS 0x10 +#define SP804_TIMER1_MIS 0x14 +#define SP804_TIMER1_BGLOAD 0x18 +#define SP804_TIMER2_LOAD 0x20 +#define SP804_TIMER2_VALUE 0x24 +#define SP804_TIMER2_CONTROL 0x28 +#define SP804_TIMER2_INTCLR 0x2C +#define SP804_TIMER2_RIS 0x30 +#define SP804_TIMER2_MIS 0x34 +#define SP804_TIMER2_BGLOAD 0x38 + +#define SP804_PERIPH_ID0 0xFE0 +#define SP804_PERIPH_ID1 0xFE4 +#define SP804_PERIPH_ID2 0xFE8 +#define SP804_PERIPH_ID3 0xFEC +#define SP804_PRIMECELL_ID0 0xFF0 +#define SP804_PRIMECELL_ID1 0xFF4 +#define SP804_PRIMECELL_ID2 0xFF8 +#define SP804_PRIMECELL_ID3 0xFFC + +#define DEFAULT_FREQUENCY 1000000 +/* + * QEMU seems to have problem with full frequency + */ +#define DEFAULT_DIVISOR 16 +#define DEFAULT_CONTROL_DIV TIMER_CONTROL_DIV16 + +struct sp804_timer_softc { + struct resource* mem_res; + struct resource* irq_res; + void* intr_hl; + uint32_t sysclk_freq; + bus_space_tag_t bst; + bus_space_handle_t bsh; + struct timecounter tc; + bool et_enabled; + struct eventtimer et; +}; + +/* Read/Write macros for Timer used as timecounter */ +#define sp804_timer_tc_read_4(reg) \ + bus_space_read_4(sc->bst, sc->bsh, reg) + +#define sp804_timer_tc_write_4(reg, val) \ + bus_space_write_4(sc->bst, sc->bsh, reg, val) + +static unsigned sp804_timer_tc_get_timecount(struct timecounter *); + +static unsigned +sp804_timer_tc_get_timecount(struct timecounter *tc) +{ + struct sp804_timer_softc *sc = tc->tc_priv; + return 0xffffffff - sp804_timer_tc_read_4(SP804_TIMER1_VALUE); +} + +static int +sp804_timer_start(struct eventtimer *et, struct bintime *first, + struct bintime *period) +{ + struct sp804_timer_softc *sc = et->et_priv; + uint32_t count, reg; + + if (first != NULL) { + sc->et_enabled = 1; + + count = (sc->et.et_frequency * (first->frac >> 32)) >> 32; + if (first->sec != 0) + count += sc->et.et_frequency * first->sec; + + sp804_timer_tc_write_4(SP804_TIMER2_LOAD, count); + reg = TIMER_CONTROL_32BIT | TIMER_CONTROL_INTREN | + TIMER_CONTROL_PERIODIC | DEFAULT_CONTROL_DIV | + TIMER_CONTROL_EN; + sp804_timer_tc_write_4(SP804_TIMER2_CONTROL, reg); + + return (0); + } + + if (period != NULL) { + panic("period"); + } + + return (EINVAL); +} + +static int +sp804_timer_stop(struct eventtimer *et) +{ + struct sp804_timer_softc *sc = et->et_priv; + uint32_t reg; + + sc->et_enabled = 0; + reg = sp804_timer_tc_read_4(SP804_TIMER2_CONTROL); + reg &= ~(TIMER_CONTROL_EN); + sp804_timer_tc_write_4(SP804_TIMER2_CONTROL, reg); + + return (0); +} + +static int +sp804_timer_intr(void *arg) +{ + struct sp804_timer_softc *sc = arg; + static uint32_t prev = 0; + uint32_t x = 0; + + x = sp804_timer_tc_read_4(SP804_TIMER1_VALUE); + + prev =x ; + sp804_timer_tc_write_4(SP804_TIMER2_INTCLR, 1); + if (sc->et_enabled) { + if (sc->et.et_active) { + sc->et.et_event_cb(&sc->et, sc->et.et_arg); + } + } + + return (FILTER_HANDLED); +} + +static int +sp804_timer_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "arm,sp804")) { + device_set_desc(dev, "SP804 System Timer"); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +sp804_timer_attach(device_t dev) +{ + struct sp804_timer_softc *sc = device_get_softc(dev); + int rid = 0; + int i; + uint32_t id, reg; + + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + if (sc->mem_res == NULL) { + device_printf(dev, "could not allocate memory resource\n"); + return (ENXIO); + } + + sc->bst = rman_get_bustag(sc->mem_res); + sc->bsh = rman_get_bushandle(sc->mem_res); + + /* Request the IRQ resources */ + sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); + if (sc->irq_res == NULL) { + device_printf(dev, "Error: could not allocate irq resources\n"); + return (ENXIO); + } + + /* TODO: get frequency from FDT */ + sc->sysclk_freq = DEFAULT_FREQUENCY; + + /* Setup and enable the timer */ + if (bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CLK, + sp804_timer_intr, NULL, sc, + &sc->intr_hl) != 0) { + bus_release_resource(dev, SYS_RES_IRQ, rid, + sc->irq_res); + device_printf(dev, "Unable to setup the clock irq handler.\n"); + return (ENXIO); + } + + sp804_timer_tc_write_4(SP804_TIMER1_CONTROL, 0); + sp804_timer_tc_write_4(SP804_TIMER2_CONTROL, 0); + + /* + * Timer 1, timecounter + */ + sc->tc.tc_frequency = DEFAULT_FREQUENCY; + sc->tc.tc_name = "SP804 Timecouter"; + sc->tc.tc_get_timecount = sp804_timer_tc_get_timecount; + sc->tc.tc_poll_pps = NULL; + sc->tc.tc_counter_mask = ~0u; + sc->tc.tc_quality = 1000; + sc->tc.tc_priv = sc; + + sp804_timer_tc_write_4(SP804_TIMER1_VALUE, 0xffffffff); + sp804_timer_tc_write_4(SP804_TIMER1_LOAD, 0xffffffff); + reg = TIMER_CONTROL_PERIODIC | TIMER_CONTROL_32BIT; + sp804_timer_tc_write_4(SP804_TIMER1_CONTROL, reg); + reg |= TIMER_CONTROL_EN; + sp804_timer_tc_write_4(SP804_TIMER1_CONTROL, reg); + tc_init(&sc->tc); + + /* + * Timer 2, event timer + */ + sc->et_enabled = 0; + sc->et.et_name = malloc(64, M_DEVBUF, M_NOWAIT | M_ZERO); + sprintf(sc->et.et_name, "SP804 Event Timer %d", + device_get_unit(dev)); + sc->et.et_flags = ET_FLAGS_PERIODIC | ET_FLAGS_ONESHOT; + sc->et.et_quality = 1000; + sc->et.et_frequency = sc->sysclk_freq / DEFAULT_DIVISOR; + sc->et.et_min_period.sec = 0; + sc->et.et_min_period.frac = + ((0x00000002LLU << 32) / sc->et.et_frequency) << 32; + sc->et.et_max_period.sec = 0xfffffff0U / sc->et.et_frequency; + sc->et.et_max_period.frac = + ((0xfffffffeLLU << 32) / sc->et.et_frequency) << 32; + sc->et.et_start = sp804_timer_start; + sc->et.et_stop = sp804_timer_stop; + sc->et.et_priv = sc; + et_register(&sc->et); + + id = 0; + for (i = 3; i >= 0; i--) { + id = (id << 8) | + (sp804_timer_tc_read_4(SP804_PERIPH_ID0 + i*4) & 0xff); + } + + device_printf(dev, "peripheral ID: %08x\n", id); + + id = 0; + for (i = 3; i >= 0; i--) { + id = (id << 8) | + (sp804_timer_tc_read_4(SP804_PRIMECELL_ID0 + i*4) & 0xff); + } + + device_printf(dev, "PrimeCell ID: %08x\n", id); + + return (0); +} + +static device_method_t sp804_timer_methods[] = { + DEVMETHOD(device_probe, sp804_timer_probe), + DEVMETHOD(device_attach, sp804_timer_attach), + { 0, 0 } +}; + +static driver_t sp804_timer_driver = { + "timer", + sp804_timer_methods, + sizeof(struct sp804_timer_softc), +}; + +static devclass_t sp804_timer_devclass; + +DRIVER_MODULE(sp804_timer, simplebus, sp804_timer_driver, sp804_timer_devclass, 0, 0); + +void +DELAY(int usec) +{ + int32_t counts; + uint32_t first, last; + device_t timer_dev; + struct sp804_timer_softc *sc; + + timer_dev = devclass_get_device(sp804_timer_devclass, 0); + + if (timer_dev == NULL) { + /* + * Timer is not initialized yet + */ + for (; usec > 0; usec--) + for (counts = 200; counts > 0; counts--) + /* Prevent gcc from optimizing out the loop */ + cpufunc_nullop(); + return; + } + + sc = device_get_softc(timer_dev); + + /* Get the number of times to count */ + counts = usec * ((sc->tc.tc_frequency / 1000000) + 1); + + first = sp804_timer_tc_get_timecount(&sc->tc); + + while (counts > 0) { + last = sp804_timer_tc_get_timecount(&sc->tc); + if (last == first) + continue; + if (last>first) { + counts -= (int32_t)(last - first); + } else { + counts -= (int32_t)((0xFFFFFFFF - first) + last); + } + first = last; + } +} diff --git a/sys/arm/versatile/versatile_clcd.c b/sys/arm/versatile/versatile_clcd.c new file mode 100644 index 0000000..9b1ceff --- /dev/null +++ b/sys/arm/versatile/versatile_clcd.c @@ -0,0 +1,828 @@ +/* + * Copyright (c) 2012 Oleksandr Tymoshenko + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include +#include + +#define PL110_VENDOR_ARM926PXP 1 + +#define MEM_SYS 0 +#define MEM_CLCD 1 +#define MEM_REGIONS 2 + +#define SYS_CLCD 0x00 +#define SYS_CLCD_CLCDID_SHIFT 0x08 +#define SYS_CLCD_CLCDID_MASK 0x1f +#define SYS_CLCD_PWR3V5VSWITCH (1 << 4) +#define SYS_CLCD_VDDPOSSWITCH (1 << 3) +#define SYS_CLCD_NLCDIOON (1 << 2) +#define SYS_CLCD_LCD_MODE_MASK 0x03 + +#define CLCD_MODE_RGB888 0x0 +#define CLCD_MODE_RGB555 0x01 +#define CLCD_MODE_RBG565 0x02 +#define CLCD_MODE_RGB565 0x03 + +#define CLCDC_TIMING0 0x00 +#define CLCDC_TIMING1 0x04 +#define CLCDC_TIMING2 0x08 +#define CLCDC_TIMING3 0x0C +#define CLCDC_TIMING3 0x0C +#define CLCDC_UPBASE 0x10 +#define CLCDC_LPBASE 0x14 +#ifdef PL110_VENDOR_ARM926PXP +#define CLCDC_CONTROL 0x18 +#define CLCDC_IMSC 0x1C +#else +#define CLCDC_IMSC 0x18 +#define CLCDC_CONTROL 0x1C +#endif +#define CONTROL_WATERMARK (1 << 16) +#define CONTROL_VCOMP_VS (0 << 12) +#define CONTROL_VCOMP_BP (1 << 12) +#define CONTROL_VCOMP_SAV (2 << 12) +#define CONTROL_VCOMP_FP (3 << 12) +#define CONTROL_PWR (1 << 11) +#define CONTROL_BEPO (1 << 10) +#define CONTROL_BEBO (1 << 9) +#define CONTROL_BGR (1 << 8) +#define CONTROL_DUAL (1 << 7) +#define CONTROL_MONO8 (1 << 6) +#define CONTROL_TFT (1 << 5) +#define CONTROL_BW (1 << 4) +#define CONTROL_BPP1 (0x00 << 1) +#define CONTROL_BPP2 (0x01 << 1) +#define CONTROL_BPP4 (0x02 << 1) +#define CONTROL_BPP8 (0x03 << 1) +#define CONTROL_BPP16 (0x04 << 1) +#define CONTROL_BPP24 (0x05 << 1) +#define CONTROL_EN (1 << 0) +#define CLCDC_RIS 0x20 +#define CLCDC_MIS 0x24 +#define INTR_MBERR (1 << 4) +#define INTR_VCOMP (1 << 3) +#define INTR_LNB (1 << 2) +#define INTR_FUF (1 << 1) +#define CLCDC_ICR 0x28 + +#ifdef DEBUG +#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \ + printf(fmt,##args); } while (0) +#else +#define dprintf(fmt, args...) +#endif + +#define versatile_clcdc_sys_read_4(sc, reg) \ + bus_read_4((sc)->mem_res[MEM_SYS], (reg)) +#define versatile_clcdc_sys_write_4(sc, reg, val) \ + bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val)) + +#define versatile_clcdc_read_4(sc, reg) \ + bus_read_4((sc)->mem_res[MEM_CLCD], (reg)) +#define versatile_clcdc_write_4(sc, reg, val) \ + bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val)) + +struct versatile_clcdc_softc { + struct resource* mem_res[MEM_REGIONS]; + + struct mtx mtx; + + int width; + int height; + int mode; + + bus_dma_tag_t dma_tag; + bus_dmamap_t dma_map; + bus_addr_t fb_phys; + uint8_t *fb_base; + +}; + +struct video_adapter_softc { + /* Videoadpater part */ + video_adapter_t va; + int console; + + intptr_t fb_addr; + unsigned int fb_size; + + unsigned int height; + unsigned int width; + unsigned int depth; + unsigned int stride; + + unsigned int xmargin; + unsigned int ymargin; + + unsigned char *font; + int initialized; +}; + +struct argb { + uint8_t a; + uint8_t r; + uint8_t g; + uint8_t b; +}; + +static struct argb versatilefb_palette[16] = { + {0x00, 0x00, 0x00, 0x00}, + {0x00, 0x00, 0x00, 0xaa}, + {0x00, 0x00, 0xaa, 0x00}, + {0x00, 0x00, 0xaa, 0xaa}, + {0x00, 0xaa, 0x00, 0x00}, + {0x00, 0xaa, 0x00, 0xaa}, + {0x00, 0xaa, 0x55, 0x00}, + {0x00, 0xaa, 0xaa, 0xaa}, + {0x00, 0x55, 0x55, 0x55}, + {0x00, 0x55, 0x55, 0xff}, + {0x00, 0x55, 0xff, 0x55}, + {0x00, 0x55, 0xff, 0xff}, + {0x00, 0xff, 0x55, 0x55}, + {0x00, 0xff, 0x55, 0xff}, + {0x00, 0xff, 0xff, 0x55}, + {0x00, 0xff, 0xff, 0xff} +}; + +#define FB_WIDTH 640 +#define FB_HEIGHT 480 +#define FB_DEPTH 16 + +#define VERSATILE_FONT_HEIGHT 16 + +static struct video_adapter_softc va_softc; + +static struct resource_spec versatile_clcdc_mem_spec[] = { + { SYS_RES_MEMORY, 0, RF_ACTIVE }, + { SYS_RES_MEMORY, 1, RF_ACTIVE }, + { -1, 0, 0 } +}; + +static int versatilefb_configure(int); +static void versatilefb_update_margins(video_adapter_t *adp); + +static void +versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err) +{ + bus_addr_t *addr; + + if (err) + return; + + addr = (bus_addr_t*)arg; + *addr = segs[0].ds_addr; +} + +static int +versatile_clcdc_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "arm,pl110")) { + device_set_desc(dev, "PL110 CLCD controller"); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +versatile_clcdc_attach(device_t dev) +{ + struct versatile_clcdc_softc *sc = device_get_softc(dev); + struct video_adapter_softc *va_sc = &va_softc; + int err; + uint32_t reg; + int clcdid; + int dma_size; + + /* Request memory resources */ + err = bus_alloc_resources(dev, versatile_clcdc_mem_spec, + sc->mem_res); + if (err) { + device_printf(dev, "Error: could not allocate memory resources\n"); + return (ENXIO); + } + + reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD); + clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK; + switch (clcdid) { + case 31: + device_printf(dev, "QEMU VGA 640x480\n"); + sc->width = 640; + sc->height = 480; + break; + default: + device_printf(dev, "Unsupported: %d\n", clcdid); + goto fail; + } + + reg &= ~SYS_CLCD_LCD_MODE_MASK; + reg |= CLCD_MODE_RGB565; + sc->mode = CLCD_MODE_RGB565; + versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); + dma_size = sc->width*sc->height*2; + + /* + * Power on LCD + */ + reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON; + versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg); + + /* + * XXX: hardcoded timing for VGA. For other modes/panels + * we need to keep table of timing register values + */ + /* + * XXX: set SYS_OSC1 + */ + versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C); + versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF); + versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800); + /* XXX: timing 3? */ + + /* + * Now allocate framebuffer memory + */ + err = bus_dma_tag_create( + bus_get_dma_tag(dev), + 4, 0, /* alignment, boundary */ + BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ + BUS_SPACE_MAXADDR, /* highaddr */ + NULL, NULL, /* filter, filterarg */ + dma_size, 1, /* maxsize, nsegments */ + dma_size, 0, /* maxsegsize, flags */ + NULL, NULL, /* lockfunc, lockarg */ + &sc->dma_tag); + + err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base, + 0, &sc->dma_map); + if (err) { + device_printf(dev, "cannot allocate framebuffer\n"); + goto fail; + } + + err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base, + dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT); + + if (err) { + device_printf(dev, "cannot load DMA map\n"); + goto fail; + } + + /* Make sure it's blank */ + memset(sc->fb_base, 0x00, dma_size); + + versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys); + + err = (sc_attach_unit(device_get_unit(dev), + device_get_flags(dev) | SC_AUTODETECT_KBD)); + + if (err) { + device_printf(dev, "failed to attach syscons\n"); + goto fail; + } + + /* + * XXX: hardcoded for VGA + */ + reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN; + reg |= CONTROL_BPP16; + versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); + DELAY(20); + reg |= CONTROL_PWR; + versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg); + + va_sc->fb_addr = (vm_offset_t)sc->fb_base; + va_sc->fb_size = dma_size; + va_sc->width = sc->width; + va_sc->height = sc->height; + va_sc->depth = 16; + va_sc->stride = sc->width * 2; + versatilefb_update_margins(&va_sc->va); + + return (0); + +fail: + if (sc->fb_base) + bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map); + if (sc->dma_map) + bus_dmamap_destroy(sc->dma_tag, sc->dma_map); + if (sc->dma_tag) + bus_dma_tag_destroy(sc->dma_tag); + return (err); +} + +static device_method_t versatile_clcdc_methods[] = { + DEVMETHOD(device_probe, versatile_clcdc_probe), + DEVMETHOD(device_attach, versatile_clcdc_attach), + + DEVMETHOD_END +}; + +static driver_t versatile_clcdc_driver = { + "clcdc", + versatile_clcdc_methods, + sizeof(struct versatile_clcdc_softc), +}; + +static devclass_t versatile_clcdc_devclass; + +DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0); + +/* + * Video driver routines and glue. + */ +static vi_probe_t versatilefb_probe; +static vi_init_t versatilefb_init; +static vi_get_info_t versatilefb_get_info; +static vi_query_mode_t versatilefb_query_mode; +static vi_set_mode_t versatilefb_set_mode; +static vi_save_font_t versatilefb_save_font; +static vi_load_font_t versatilefb_load_font; +static vi_show_font_t versatilefb_show_font; +static vi_save_palette_t versatilefb_save_palette; +static vi_load_palette_t versatilefb_load_palette; +static vi_set_border_t versatilefb_set_border; +static vi_save_state_t versatilefb_save_state; +static vi_load_state_t versatilefb_load_state; +static vi_set_win_org_t versatilefb_set_win_org; +static vi_read_hw_cursor_t versatilefb_read_hw_cursor; +static vi_set_hw_cursor_t versatilefb_set_hw_cursor; +static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape; +static vi_blank_display_t versatilefb_blank_display; +static vi_mmap_t versatilefb_mmap; +static vi_ioctl_t versatilefb_ioctl; +static vi_clear_t versatilefb_clear; +static vi_fill_rect_t versatilefb_fill_rect; +static vi_bitblt_t versatilefb_bitblt; +static vi_diag_t versatilefb_diag; +static vi_save_cursor_palette_t versatilefb_save_cursor_palette; +static vi_load_cursor_palette_t versatilefb_load_cursor_palette; +static vi_copy_t versatilefb_copy; +static vi_putp_t versatilefb_putp; +static vi_putc_t versatilefb_putc; +static vi_puts_t versatilefb_puts; +static vi_putm_t versatilefb_putm; + +static video_switch_t versatilefbvidsw = { + .probe = versatilefb_probe, + .init = versatilefb_init, + .get_info = versatilefb_get_info, + .query_mode = versatilefb_query_mode, + .set_mode = versatilefb_set_mode, + .save_font = versatilefb_save_font, + .load_font = versatilefb_load_font, + .show_font = versatilefb_show_font, + .save_palette = versatilefb_save_palette, + .load_palette = versatilefb_load_palette, + .set_border = versatilefb_set_border, + .save_state = versatilefb_save_state, + .load_state = versatilefb_load_state, + .set_win_org = versatilefb_set_win_org, + .read_hw_cursor = versatilefb_read_hw_cursor, + .set_hw_cursor = versatilefb_set_hw_cursor, + .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape, + .blank_display = versatilefb_blank_display, + .mmap = versatilefb_mmap, + .ioctl = versatilefb_ioctl, + .clear = versatilefb_clear, + .fill_rect = versatilefb_fill_rect, + .bitblt = versatilefb_bitblt, + .diag = versatilefb_diag, + .save_cursor_palette = versatilefb_save_cursor_palette, + .load_cursor_palette = versatilefb_load_cursor_palette, + .copy = versatilefb_copy, + .putp = versatilefb_putp, + .putc = versatilefb_putc, + .puts = versatilefb_puts, + .putm = versatilefb_putm, +}; + +VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure); + +extern sc_rndr_sw_t txtrndrsw; +RENDERER(versatilefb, 0, txtrndrsw, gfb_set); +RENDERER_MODULE(versatilefb, gfb_set); + +static uint16_t versatilefb_static_window[ROW*COL]; +extern u_char dflt_font_16[]; + +/* + * Update videoadapter settings after changing resolution + */ +static void +versatilefb_update_margins(video_adapter_t *adp) +{ + struct video_adapter_softc *sc; + video_info_t *vi; + + sc = (struct video_adapter_softc *)adp; + vi = &adp->va_info; + + sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; + sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; +} + +static int +versatilefb_configure(int flags) +{ + struct video_adapter_softc *va_sc; + + va_sc = &va_softc; + + if (va_sc->initialized) + return (0); + + va_sc->width = FB_WIDTH; + va_sc->height = FB_HEIGHT; + va_sc->depth = FB_DEPTH; + + versatilefb_init(0, &va_sc->va, 0); + + va_sc->initialized = 1; + + return (0); +} + +static int +versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags) +{ + + return (0); +} + +static int +versatilefb_init(int unit, video_adapter_t *adp, int flags) +{ + struct video_adapter_softc *sc; + video_info_t *vi; + + sc = (struct video_adapter_softc *)adp; + vi = &adp->va_info; + + vid_init_struct(adp, "versatilefb", -1, unit); + + sc->font = dflt_font_16; + vi->vi_cheight = VERSATILE_FONT_HEIGHT; + vi->vi_cwidth = 8; + + vi->vi_width = sc->width/8; + vi->vi_height = sc->height/vi->vi_cheight; + + /* + * Clamp width/height to syscons maximums + */ + if (vi->vi_width > COL) + vi->vi_width = COL; + if (vi->vi_height > ROW) + vi->vi_height = ROW; + + sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; + sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; + + + adp->va_window = (vm_offset_t) versatilefb_static_window; + adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; + + vid_register(&sc->va); + + return (0); +} + +static int +versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info) +{ + bcopy(&adp->va_info, info, sizeof(*info)); + return (0); +} + +static int +versatilefb_query_mode(video_adapter_t *adp, video_info_t *info) +{ + return (0); +} + +static int +versatilefb_set_mode(video_adapter_t *adp, int mode) +{ + return (0); +} + +static int +versatilefb_save_font(video_adapter_t *adp, int page, int size, int width, + u_char *data, int c, int count) +{ + return (0); +} + +static int +versatilefb_load_font(video_adapter_t *adp, int page, int size, int width, + u_char *data, int c, int count) +{ + struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; + + sc->font = data; + + return (0); +} + +static int +versatilefb_show_font(video_adapter_t *adp, int page) +{ + return (0); +} + +static int +versatilefb_save_palette(video_adapter_t *adp, u_char *palette) +{ + return (0); +} + +static int +versatilefb_load_palette(video_adapter_t *adp, u_char *palette) +{ + return (0); +} + +static int +versatilefb_set_border(video_adapter_t *adp, int border) +{ + return (versatilefb_blank_display(adp, border)); +} + +static int +versatilefb_save_state(video_adapter_t *adp, void *p, size_t size) +{ + return (0); +} + +static int +versatilefb_load_state(video_adapter_t *adp, void *p) +{ + return (0); +} + +static int +versatilefb_set_win_org(video_adapter_t *adp, off_t offset) +{ + return (0); +} + +static int +versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) +{ + *col = *row = 0; + + return (0); +} + +static int +versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row) +{ + return (0); +} + +static int +versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, + int celsize, int blink) +{ + return (0); +} + +static int +versatilefb_blank_display(video_adapter_t *adp, int mode) +{ + + struct video_adapter_softc *sc; + + sc = (struct video_adapter_softc *)adp; + if (sc && sc->fb_addr) + memset((void*)sc->fb_addr, 0, sc->fb_size); + + return (0); +} + +static int +versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, + int prot, vm_memattr_t *memattr) +{ + struct video_adapter_softc *sc; + + sc = (struct video_adapter_softc *)adp; + + /* + * This might be a legacy VGA mem request: if so, just point it at the + * framebuffer, since it shouldn't be touched + */ + if (offset < sc->stride*sc->height) { + *paddr = sc->fb_addr + offset; + return (0); + } + + return (EINVAL); +} + +static int +versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) +{ + + return (0); +} + +static int +versatilefb_clear(video_adapter_t *adp) +{ + + return (versatilefb_blank_display(adp, 0)); +} + +static int +versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) +{ + + return (0); +} + +static int +versatilefb_bitblt(video_adapter_t *adp, ...) +{ + + return (0); +} + +static int +versatilefb_diag(video_adapter_t *adp, int level) +{ + + return (0); +} + +static int +versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette) +{ + + return (0); +} + +static int +versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette) +{ + + return (0); +} + +static int +versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) +{ + + return (0); +} + +static int +versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, + int size, int bpp, int bit_ltor, int byte_ltor) +{ + + return (0); +} + +static int +versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) +{ + struct video_adapter_softc *sc; + int row; + int col; + int i, j, k; + uint8_t *addr; + u_char *p; + uint8_t fg, bg, color; + uint16_t rgb; + + sc = (struct video_adapter_softc *)adp; + + if (sc->fb_addr == 0) + return (0); + + row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; + col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; + p = sc->font + c*VERSATILE_FONT_HEIGHT; + addr = (uint8_t *)sc->fb_addr + + (row + sc->ymargin)*(sc->stride) + + (sc->depth/8) * (col + sc->xmargin); + + fg = a & 0xf ; + bg = (a >> 8) & 0xf; + + for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) { + for (j = 0, k = 7; j < 8; j++, k--) { + if ((p[i] & (1 << k)) == 0) + color = bg; + else + color = fg; + + switch (sc->depth) { + case 16: + rgb = (versatilefb_palette[color].r >> 3) << 11; + rgb |= (versatilefb_palette[color].g >> 2) << 5; + rgb |= (versatilefb_palette[color].b >> 3); + addr[2*j] = rgb & 0xff; + addr[2*j + 1] = (rgb >> 8) & 0xff; + default: + /* Not supported yet */ + break; + } + } + + addr += (sc->stride); + } + + return (0); +} + +static int +versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) +{ + int i; + + for (i = 0; i < len; i++) + versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); + + return (0); +} + +static int +versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, + uint32_t pixel_mask, int size, int width) +{ + + return (0); +} + +/* + * Define a stub keyboard driver in case one hasn't been + * compiled into the kernel + */ +#include +#include + +static int dummy_kbd_configure(int flags); + +keyboard_switch_t bcmdummysw; + +static int +dummy_kbd_configure(int flags) +{ + + return (0); +} +KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); diff --git a/sys/arm/versatile/versatile_machdep.c b/sys/arm/versatile/versatile_machdep.c new file mode 100644 index 0000000..cd29a5a --- /dev/null +++ b/sys/arm/versatile/versatile_machdep.c @@ -0,0 +1,122 @@ +/*- + * Copyright (c) 2012 Oleksandr Tymoshenko. + * All rights reserved. + * + * This code is derived from software written for Brini by Mark Brinicombe + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Brini. + * 4. The name of the company nor the name of the author may be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#include "opt_ddb.h" +#include "opt_platform.h" +#include "opt_global.h" + +#include +__FBSDID("$FreeBSD$"); + +#define _ARM32_BUS_DMA_PRIVATE +#include +#include +#include + +#include +#include + +#include +#include /* For trapframe_t, used in */ +#include +#include + +#include + +/* Start of address space used for bootstrap map */ +#define DEVMAP_BOOTSTRAP_MAP_START 0xE0000000 + +vm_offset_t +initarm_lastaddr(void) +{ + + return (DEVMAP_BOOTSTRAP_MAP_START - ARM_NOCACHE_KVA_SIZE); +} + +void +initarm_gpio_init(void) +{ +} + +void +initarm_late_init(void) +{ +} + +#define FDT_DEVMAP_MAX (2) /* FIXME */ +static struct pmap_devmap fdt_devmap[FDT_DEVMAP_MAX] = { + { 0, 0, 0, 0, 0, }, + { 0, 0, 0, 0, 0, } +}; + + +/* + * Construct pmap_devmap[] with DT-derived config data. + */ +int +platform_devmap_init(void) +{ + int i = 0; + fdt_devmap[i].pd_va = 0xf0100000; + fdt_devmap[i].pd_pa = 0x10100000; + fdt_devmap[i].pd_size = 0x01000000; /* 1 MB */ + fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE; + fdt_devmap[i].pd_cache = PTE_DEVICE; + + pmap_devmap_bootstrap_table = &fdt_devmap[0]; + return (0); +} + +struct arm32_dma_range * +bus_dma_get_range(void) +{ + + return (NULL); +} + +int +bus_dma_get_range_nb(void) +{ + + return (0); +} + +void +cpu_reset() +{ + printf("cpu_reset\n"); + while (1); +} + diff --git a/sys/arm/versatile/versatile_pci.c b/sys/arm/versatile/versatile_pci.c new file mode 100644 index 0000000..1ef92ef --- /dev/null +++ b/sys/arm/versatile/versatile_pci.c @@ -0,0 +1,510 @@ +/* + * Copyright (c) 2012 Oleksandr Tymoshenko + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include "pcib_if.h" + +#include +#include +#include +#include + +#include +#include + +#include + +#define MEM_SYS 0 +#define MEM_CORE 1 +#define MEM_BASE 2 +#define MEM_CONF_BASE 3 +#define MEM_REGIONS 4 + +#define SYS_PCICTL 0x00 + +#define PCI_CORE_IMAP0 0x00 +#define PCI_CORE_IMAP1 0x04 +#define PCI_CORE_IMAP2 0x08 +#define PCI_CORE_SELFID 0x0C +#define PCI_CORE_SMAP0 0x10 +#define PCI_CORE_SMAP1 0x14 +#define PCI_CORE_SMAP2 0x18 + +#define VERSATILE_PCI_DEV 0x030010ee +#define VERSATILE_PCI_CLASS 0x0b400000 + +#define PCI_IO_WINDOW 0x44000000 +#define PCI_IO_SIZE 0x0c000000 +#define PCI_NPREFETCH_WINDOW 0x50000000 +#define PCI_NPREFETCH_SIZE 0x10000000 +#define PCI_PREFETCH_WINDOW 0x60000000 +#define PCI_PREFETCH_SIZE 0x10000000 + +#define VERSATILE_PCI_IRQ_START 27 +#define VERSATILE_PCI_IRQ_END 30 + +#ifdef DEBUG +#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \ + printf(fmt,##args); } while (0) +#else +#define dprintf(fmt, args...) +#endif + + +#define versatile_pci_sys_read_4(reg) \ + bus_read_4(sc->mem_res[MEM_SYS], (reg)) +#define versatile_pci_sys_write_4(reg, val) \ + bus_write_4(sc->mem_res[MEM_SYS], (reg), (val)) + +#define versatile_pci_core_read_4(reg) \ + bus_read_4(sc->mem_res[MEM_CORE], (reg)) +#define versatile_pci_core_write_4(reg, val) \ + bus_write_4(sc->mem_res[MEM_CORE], (reg), (val)) + +#define versatile_pci_read_4(reg) \ + bus_read_4(sc->mem_res[MEM_BASE], (reg)) +#define versatile_pci_write_4(reg, val) \ + bus_write_4(sc->mem_res[MEM_BASE], (reg), (val)) + +#define versatile_pci_conf_read_4(reg) \ + bus_read_4(sc->mem_res[MEM_CONF_BASE], (reg)) +#define versatile_pci_conf_write_4(reg, val) \ + bus_write_4(sc->mem_res[MEM_CONF_BASE], (reg), (val)) +#define versatile_pci_conf_write_2(reg, val) \ + bus_write_2(sc->mem_res[MEM_CONF_BASE], (reg), (val)) +#define versatile_pci_conf_write_1(reg, val) \ + bus_write_1(sc->mem_res[MEM_CONF_BASE], (reg), (val)) + +struct versatile_pci_softc { + struct resource* mem_res[MEM_REGIONS]; + struct resource* irq_res; + void* intr_hl; + + int pcib_slot; + + /* Bus part */ + int busno; + struct rman io_rman; + struct rman irq_rman; + struct rman mem_rman; + + struct mtx mtx; +}; + +static struct resource_spec versatile_pci_mem_spec[] = { + { SYS_RES_MEMORY, 0, RF_ACTIVE }, + { SYS_RES_MEMORY, 1, RF_ACTIVE }, + { SYS_RES_MEMORY, 2, RF_ACTIVE }, + { SYS_RES_MEMORY, 3, RF_ACTIVE }, + { -1, 0, 0 } +}; + +static int +versatile_pci_probe(device_t dev) +{ + + if (ofw_bus_is_compatible(dev, "versatile,pci")) { + device_set_desc(dev, "Versatile PCI controller"); + return (BUS_PROBE_DEFAULT); + } + + return (ENXIO); +} + +static int +versatile_pci_attach(device_t dev) +{ + struct versatile_pci_softc *sc = device_get_softc(dev); + int err; + int slot; + uint32_t vendordev_id, class_id; + uint32_t val; + + /* Request memory resources */ + err = bus_alloc_resources(dev, versatile_pci_mem_spec, + sc->mem_res); + if (err) { + device_printf(dev, "Error: could not allocate memory resources\n"); + return (ENXIO); + } + + /* + * Setup memory windows + */ + versatile_pci_core_write_4(PCI_CORE_IMAP0, (PCI_IO_WINDOW >> 11)); + versatile_pci_core_write_4(PCI_CORE_IMAP1, (PCI_NPREFETCH_WINDOW >> 11)); + versatile_pci_core_write_4(PCI_CORE_IMAP2, (PCI_PREFETCH_WINDOW >> 11)); + + /* + * XXX: this is SDRAM offset >> 28 + */ + versatile_pci_core_write_4(PCI_CORE_SMAP0, 0); + versatile_pci_core_write_4(PCI_CORE_SMAP1, 0); + versatile_pci_core_write_4(PCI_CORE_SMAP2, 0); + + versatile_pci_sys_write_4(SYS_PCICTL, 1); + + for (slot = 0; slot <= PCI_SLOTMAX; slot++) { + vendordev_id = versatile_pci_read_4((slot << 11) + PCIR_DEVVENDOR); + class_id = versatile_pci_read_4((slot << 11) + PCIR_REVID); + if ((vendordev_id == VERSATILE_PCI_DEV) && + (class_id == VERSATILE_PCI_CLASS)) + break; + } + + if (slot == (PCI_SLOTMAX + 1)) { + bus_release_resources(dev, versatile_pci_mem_spec, + sc->mem_res); + device_printf(dev, "Versatile PCI core not found\n"); + return (ENXIO); + } + + sc->pcib_slot = slot; + device_printf(dev, "PCI core at slot #%d\n", slot); + + versatile_pci_core_write_4(PCI_CORE_SELFID, slot); + val = versatile_pci_conf_read_4((slot << 11) + PCIR_COMMAND); + val |= (PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN | PCIM_CMD_MWRICEN); + versatile_pci_conf_write_4((slot << 11) + PCIR_COMMAND, val); + + /* Again SDRAM start >> 28 */ + versatile_pci_write_4((slot << 11) + PCIR_BAR(0), 0); + versatile_pci_write_4((slot << 11) + PCIR_BAR(1), 0); + versatile_pci_write_4((slot << 11) + PCIR_BAR(2), 0); + + /* Prepare resource managers */ + sc->mem_rman.rm_type = RMAN_ARRAY; + sc->mem_rman.rm_descr = "versatile PCI memory window"; + if (rman_init(&sc->mem_rman) != 0 || + rman_manage_region(&sc->mem_rman, PCI_NPREFETCH_WINDOW, + PCI_NPREFETCH_WINDOW + PCI_NPREFETCH_SIZE - 1) != 0) { + panic("versatile_pci_attach: failed to set up memory rman"); + } + + bootverbose = 1; + sc->io_rman.rm_type = RMAN_ARRAY; + sc->io_rman.rm_descr = "versatile PCI IO window"; + if (rman_init(&sc->io_rman) != 0 || + rman_manage_region(&sc->io_rman, PCI_IO_WINDOW, + PCI_IO_WINDOW + PCI_IO_SIZE - 1) != 0) { + panic("versatile_pci_attach: failed to set up I/O rman"); + } + + sc->irq_rman.rm_type = RMAN_ARRAY; + sc->irq_rman.rm_descr = "versatile PCI IRQs"; + if (rman_init(&sc->irq_rman) != 0 || + rman_manage_region(&sc->irq_rman, VERSATILE_PCI_IRQ_START, + VERSATILE_PCI_IRQ_END) != 0) { + panic("versatile_pci_attach: failed to set up IRQ rman"); + } + + mtx_init(&sc->mtx, device_get_nameunit(dev), "versatilepci", + MTX_SPIN); + + val = versatile_pci_conf_read_4((12 << 11) + PCIR_COMMAND); + + for (slot = 0; slot <= PCI_SLOTMAX; slot++) { + vendordev_id = versatile_pci_read_4((slot << 11) + PCIR_DEVVENDOR); + class_id = versatile_pci_read_4((slot << 11) + PCIR_REVID); + + if (slot == sc->pcib_slot) + continue; + + if ((vendordev_id == 0xffffffff) && + (class_id == 0xffffffff)) + continue; + + val = versatile_pci_conf_read_4((slot << 11) + PCIR_COMMAND); + val |= PCIM_CMD_MEMEN | PCIM_CMD_PORTEN; + versatile_pci_conf_write_4((slot << 11) + PCIR_COMMAND, val); + } + + device_add_child(dev, "pci", 0); + return (bus_generic_attach(dev)); +} + +static int +versatile_pci_read_ivar(device_t dev, device_t child, int which, + uintptr_t *result) +{ + struct versatile_pci_softc *sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_DOMAIN: + *result = 0; + return (0); + case PCIB_IVAR_BUS: + *result = sc->busno; + return (0); + } + + return (ENOENT); +} + +static int +versatile_pci_write_ivar(device_t dev, device_t child, int which, + uintptr_t result) +{ + struct versatile_pci_softc * sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_BUS: + sc->busno = result; + return (0); + } + + return (ENOENT); +} + +static struct resource * +versatile_pci_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags) +{ + + struct versatile_pci_softc *sc = device_get_softc(bus); + struct resource *rv; + struct rman *rm; + + printf("Alloc resources %d, %08lx..%08lx, %ld\n", type, start, end, count); + + switch (type) { + case SYS_RES_IOPORT: + rm = &sc->io_rman; + break; + case SYS_RES_IRQ: + rm = &sc->irq_rman; + break; + case SYS_RES_MEMORY: + rm = &sc->mem_rman; + break; + default: + return (NULL); + } + + rv = rman_reserve_resource(rm, start, end, count, flags, child); + + if (rv == NULL) + return (NULL); + + rman_set_rid(rv, *rid); + + if (flags & RF_ACTIVE) { + if (bus_activate_resource(child, type, *rid, rv)) { + rman_release_resource(rv); + return (NULL); + } + } + return (rv); +} + +static int +versatile_pci_activate_resource(device_t bus, device_t child, int type, int rid, + struct resource *r) +{ + vm_offset_t vaddr; + int res = (BUS_ACTIVATE_RESOURCE(device_get_parent(bus), + child, type, rid, r)); + + if (!res) { + switch(type) { + case SYS_RES_MEMORY: + case SYS_RES_IOPORT: + vaddr = (vm_offset_t)pmap_mapdev(rman_get_start(r), + rman_get_size(r)); + rman_set_bushandle(r, vaddr); + rman_set_bustag(r, versatile_bus_space_pcimem); + break; + } + } + return (res); +} + +static int +versatile_pci_setup_intr(device_t bus, device_t child, struct resource *ires, + int flags, driver_filter_t *filt, driver_intr_t *handler, + void *arg, void **cookiep) +{ + + return BUS_SETUP_INTR(device_get_parent(bus), bus, ires, flags, + filt, handler, arg, cookiep); +} + +static int +versatile_pci_teardown_intr(device_t dev, device_t child, struct resource *ires, + void *cookie) +{ + + return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, ires, cookie); +} + + + +static int +versatile_pci_maxslots(device_t dev) +{ + + return (PCI_SLOTMAX); +} + +static int +versatile_pci_route_interrupt(device_t pcib, device_t device, int pin) +{ + + return (27 + ((pci_get_slot(device) + pin - 1) & 3)); +} + +static uint32_t +versatile_pci_read_config(device_t dev, u_int bus, u_int slot, u_int func, + u_int reg, int bytes) +{ + struct versatile_pci_softc *sc = device_get_softc(dev); + uint32_t data; + uint32_t shift, mask; + uint32_t addr; + + if (sc->pcib_slot == slot) { + switch (bytes) { + case 4: + return (0xffffffff); + break; + case 2: + return (0xffff); + break; + case 1: + return (0xff); + break; + } + } + + addr = (bus << 16) | (slot << 11) | (func << 8) | (reg & ~3); + + /* register access is 32-bit aligned */ + shift = (reg & 3) * 8; + + /* Create a mask based on the width, post-shift */ + if (bytes == 2) + mask = 0xffff; + else if (bytes == 1) + mask = 0xff; + else + mask = 0xffffffff; + + dprintf("%s: tag (%x, %x, %x) reg %d(%d)\n", __func__, bus, slot, + func, reg, bytes); + + mtx_lock_spin(&sc->mtx); + data = versatile_pci_conf_read_4(addr); + mtx_unlock_spin(&sc->mtx); + + /* get request bytes from 32-bit word */ + data = (data >> shift) & mask; + + dprintf("%s: read 0x%x\n", __func__, data); + + return (data); +} + +static void +versatile_pci_write_config(device_t dev, u_int bus, u_int slot, u_int func, + u_int reg, uint32_t data, int bytes) +{ + + struct versatile_pci_softc *sc = device_get_softc(dev); + uint32_t addr; + + dprintf("%s: tag (%x, %x, %x) reg %d(%d)\n", __func__, bus, slot, + func, reg, bytes); + + if (sc->pcib_slot == slot) + return; + + addr = (bus << 16) | (slot << 11) | (func << 8) | reg; + mtx_lock_spin(&sc->mtx); + switch (bytes) { + case 4: + versatile_pci_conf_write_4(addr, data); + break; + case 2: + versatile_pci_conf_write_2(addr, data); + break; + case 1: + versatile_pci_conf_write_1(addr, data); + break; + } + mtx_unlock_spin(&sc->mtx); +} + +static device_method_t versatile_pci_methods[] = { + DEVMETHOD(device_probe, versatile_pci_probe), + DEVMETHOD(device_attach, versatile_pci_attach), + + /* Bus interface */ + DEVMETHOD(bus_read_ivar, versatile_pci_read_ivar), + DEVMETHOD(bus_write_ivar, versatile_pci_write_ivar), + DEVMETHOD(bus_alloc_resource, versatile_pci_alloc_resource), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource, versatile_pci_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, versatile_pci_setup_intr), + DEVMETHOD(bus_teardown_intr, versatile_pci_teardown_intr), + + /* pcib interface */ + DEVMETHOD(pcib_maxslots, versatile_pci_maxslots), + DEVMETHOD(pcib_read_config, versatile_pci_read_config), + DEVMETHOD(pcib_write_config, versatile_pci_write_config), + DEVMETHOD(pcib_route_interrupt, versatile_pci_route_interrupt), + + DEVMETHOD_END +}; + +static driver_t versatile_pci_driver = { + "pcib", + versatile_pci_methods, + sizeof(struct versatile_pci_softc), +}; + +static devclass_t versatile_pci_devclass; + +DRIVER_MODULE(versatile_pci, simplebus, versatile_pci_driver, versatile_pci_devclass, 0, 0); diff --git a/sys/arm/versatile/versatile_pci_bus_space.c b/sys/arm/versatile/versatile_pci_bus_space.c new file mode 100644 index 0000000..2c2e0b5 --- /dev/null +++ b/sys/arm/versatile/versatile_pci_bus_space.c @@ -0,0 +1,153 @@ +/*- + * Copyright (c) 2009, Oleksandr Tymoshenko + * 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 unmodified, 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include + +#include +#include + +/* Prototypes for all the bus_space structure functions */ +bs_protos(generic); +bs_protos(generic_armv4); + +/* + * Bus space that handles offsets in word for 1/2 bytes read/write access. + * Byte order of values is handled by device drivers itself. + */ +static struct bus_space bus_space_pcimem = { + /* cookie */ + (void *) 0, + + /* mapping/unmapping */ + generic_bs_map, + generic_bs_unmap, + generic_bs_subregion, + + /* allocation/deallocation */ + NULL, + NULL, + + /* barrier */ + generic_bs_barrier, + + /* read (single) */ + generic_bs_r_1, + generic_armv4_bs_r_2, + generic_bs_r_4, + NULL, + + /* read multiple */ + generic_bs_rm_1, + generic_armv4_bs_rm_2, + generic_bs_rm_4, + NULL, + + /* read region */ + generic_bs_rr_1, + generic_armv4_bs_rr_2, + generic_bs_rr_4, + NULL, + + /* write (single) */ + generic_bs_w_1, + generic_armv4_bs_w_2, + generic_bs_w_4, + NULL, + + /* write multiple */ + generic_bs_wm_1, + generic_armv4_bs_wm_2, + generic_bs_wm_4, + NULL, + + /* write region */ + generic_bs_wr_1, + generic_armv4_bs_wr_2, + generic_bs_wr_4, + NULL, + + /* set multiple */ + NULL, + NULL, + NULL, + NULL, + + /* set region */ + NULL, + NULL, + generic_bs_sr_4, + NULL, + + /* copy */ + NULL, + NULL, + NULL, + NULL, + + /* read (single) stream */ + NULL, + NULL, + NULL, + NULL, + + /* read multiple stream */ + NULL, + NULL, + NULL, + NULL, + + /* read region stream */ + NULL, + NULL, + NULL, + NULL, + + /* write (single) stream */ + NULL, + NULL, + NULL, + NULL, + + /* write multiple stream */ + NULL, + NULL, + NULL, + NULL, + + /* write region stream */ + NULL, + NULL, + NULL, + NULL, +}; + +bus_space_tag_t versatile_bus_space_pcimem = &bus_space_pcimem; diff --git a/sys/arm/versatile/versatile_pci_bus_space.h b/sys/arm/versatile/versatile_pci_bus_space.h new file mode 100644 index 0000000..d5b54ef --- /dev/null +++ b/sys/arm/versatile/versatile_pci_bus_space.h @@ -0,0 +1,35 @@ +/*- + * Copyright (c) 2009, Oleksandr Tymoshenko + * 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 unmodified, 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 __VERSATILE_PCI_BUS_SPACEH__ +#define __VERSATILE_PCI_BUS_SPACEH__ + +extern bus_space_tag_t versatile_bus_space_pcimem; + +#endif /* __VERSATILE_PCI_BUS_SPACEH__ */ diff --git a/sys/arm/versatile/versatile_sic.c b/sys/arm/versatile/versatile_sic.c new file mode 100644 index 0000000..d3eee6e --- /dev/null +++ b/sys/arm/versatile/versatile_sic.c @@ -0,0 +1,133 @@ +/*- + * Copyright (c) 2012 Oleksandr Tymoshenko + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#ifdef DEBUG +#define dprintf(fmt, args...) printf(fmt, ##args) +#else +#define dprintf(fmt, args...) +#endif + +#define SIC_STATUS 0x00 +#define SIC_RAWSTAT 0x04 +#define SIC_ENABLE 0x08 +#define SIC_ENSET 0x08 +#define SIC_ENCLR 0x0C +#define SIC_SOFTINTSET 0x10 +#define SIC_SOFTINTCLR 0x14 +#define SIC_PICENABLE 0x20 +#define SIC_PICENSET 0x20 +#define SIC_PICENCLR 0x24 + +struct versatile_sic_softc { + device_t sc_dev; + struct resource * mem_res; +}; + +#define sic_read_4(sc, reg) \ + bus_read_4(sc->mem_res, (reg)) +#define sic_write_4(sc, reg, val) \ + bus_write_4(sc->mem_res, (reg), (val)) + +static int +versatile_sic_probe(device_t dev) +{ + if (!ofw_bus_is_compatible(dev, "arm,versatile-sic")) + return (ENXIO); + device_set_desc(dev, "ARM Versatile SIC"); + return (BUS_PROBE_DEFAULT); +} + +static int +versatile_sic_attach(device_t dev) +{ + struct versatile_sic_softc *sc = device_get_softc(dev); + uint32_t pass_irqs; + int rid; + + sc->sc_dev = dev; + + /* Request memory resources */ + rid = 0; + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (sc->mem_res == NULL) { + device_printf(dev, "Error: could not allocate memory resources\n"); + return (ENXIO); + } + + /* Disable all interrupts on SIC */ + sic_write_4(sc, SIC_ENCLR, 0xffffffff); + + /* + * XXX: Enable IRQ3 for KMI + * Should be replaced by proper interrupts cascading + */ + sic_write_4(sc, SIC_ENSET, (1 << 3)); + + /* + * Let PCI and Ethernet interrupts pass through + * IRQ25, IRQ27..IRQ31 + */ + pass_irqs = (7 << 27) | (1 << 25); + sic_write_4(sc, SIC_PICENSET, pass_irqs); + + return (0); +} + +static device_method_t versatile_sic_methods[] = { + DEVMETHOD(device_probe, versatile_sic_probe), + DEVMETHOD(device_attach, versatile_sic_attach), + { 0, 0 } +}; + +static driver_t versatile_sic_driver = { + "sic", + versatile_sic_methods, + sizeof(struct versatile_sic_softc), +}; + +static devclass_t versatile_sic_devclass; + +DRIVER_MODULE(sic, simplebus, versatile_sic_driver, versatile_sic_devclass, 0, 0); diff --git a/sys/arm/versatile/versatile_timer.c b/sys/arm/versatile/versatile_timer.c new file mode 100644 index 0000000..ab46a0a --- /dev/null +++ b/sys/arm/versatile/versatile_timer.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2012 Oleksandr Tymoshenko + * 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 +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +void +cpu_initclocks(void) +{ + cpu_initclocks_bsp(); +} + + -- cgit v1.1