From 8e0346d1372ed32d2c5f559e083f3bd60b281c3a Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 15 Dec 2011 22:58:40 +0000 Subject: 2011-12-15 Konrad Eisele * configure.in: Add SPARC LEON support. * configure: Regenerated. * sparc_leon/asm-leon/amba.h, sparc_leon/asm-leon/asmmacro.h, sparc_leon/asm-leon/clock.h, sparc_leon/asm-leon/contextswitch.h, sparc_leon/asm-leon/elfmacro.h, sparc_leon/asm-leon/head.h, sparc_leon/asm-leon/irq.h, sparc_leon/asm-leon/jiffies.h, sparc_leon/asm-leon/lambapp.h, sparc_leon/asm-leon/lambapp_devs.h, sparc_leon/asm-leon/leon.h, sparc_leon/asm-leon/leon3.h, sparc_leon/asm-leon/leonbare_debug.h, sparc_leon/asm-leon/leonbare_kernel.h, sparc_leon/asm-leon/leonbare_kernel_queue.h, sparc_leon/asm-leon/leoncompat.h, sparc_leon/asm-leon/leondbg.h, sparc_leon/asm-leon/leonstack.h, sparc_leon/asm-leon/liblocks.h, sparc_leon/asm-leon/linkage.h, sparc_leon/asm-leon/param.h, sparc_leon/asm-leon/queue.h, sparc_leon/asm-leon/spinlock.h, sparc_leon/asm-leon/stack.h, sparc_leon/asm-leon/time.h, sparc_leon/asm-leon/timer.h, sparc_leon/asm-leon/types.h, sparc_leon/asm-leon/winmacros.h: New file. * sparc_leon/Makefile.in, sparc_leon/_exit.c, sparc_leon/amba.c, sparc_leon/amba_dbg.c, sparc_leon/amba_driver.c, sparc_leon/amba_scan.c, sparc_leon/asm-leon, sparc_leon/bdinit.S, sparc_leon/busscan.S, sparc_leon/cacheA.S, sparc_leon/catch_interrupt.c, sparc_leon/catch_interrupt_mvt.c, sparc_leon/catch_interrupt_pending.c, sparc_leon/catch_interrupt_svt.c, sparc_leon/configure.in, sparc_leon/console.c, sparc_leon/console_dbg.c, sparc_leon/console_init.c, sparc_leon/contextswitch.c, sparc_leon/contextswitch_asm.S, sparc_leon/crt0.S, sparc_leon/crti.S, sparc_leon/crtn.S, sparc_leon/etrap.S, sparc_leon/etrap_fast.S, sparc_leon/fpu.S, sparc_leon/gettimeofday.c, sparc_leon/initcalls.c, sparc_leon/io.c, sparc_leon/irqinstall.S, sparc_leon/irqtrap.S, sparc_leon/irqtrap_fast.S, sparc_leon/jiffies.c, sparc_leon/kernel.c, sparc_leon/kernel_context.S, sparc_leon/kernel_debug.c, sparc_leon/kernel_debug_var.c, sparc_leon/kernel_mm.c, sparc_leon/kernel_mutex.c, sparc_leon/kernel_queue.c, sparc_leon/kernel_sched.c, sparc_leon/kernel_thread.c, sparc_leon/lcpuinit.S, sparc_leon/locore.S, sparc_leon/locore_atexit.c, sparc_leon/locore_clean.S, sparc_leon/locore_mvt.S, sparc_leon/locore_mvt_reset.S, sparc_leon/locore_svt.S, sparc_leon/locore_svt_reset.S, sparc_leon/locore_svtdisp.S, sparc_leon/locore_var.S, sparc_leon/locore_var_svt.S, sparc_leon/mmu_asm.S, sparc_leon/mutex.c, sparc_leon/nocache.S, sparc_leon/pnpinit.c, sparc_leon/pnpinit_malloc.c, sparc_leon/pnpinit_simple.c, sparc_leon/regwin.S, sparc_leon/regwin_patch.c, sparc_leon/regwin_slow.S, sparc_leon/regwinflush.S, sparc_leon/rtc.c, sparc_leon/rtrap.S, sparc_leon/rtrap_fast.S, sparc_leon/stop.S, sparc_leon/timer.c, sparc_leon/times.c: New file * sparc_leon/configure: Regenerate --- libgloss/sparc_leon/amba_scan.c | 96 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 libgloss/sparc_leon/amba_scan.c (limited to 'libgloss/sparc_leon/amba_scan.c') diff --git a/libgloss/sparc_leon/amba_scan.c b/libgloss/sparc_leon/amba_scan.c new file mode 100644 index 000000000..6d12281cd --- /dev/null +++ b/libgloss/sparc_leon/amba_scan.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2011 Aeroflex Gaisler + * + * BSD license: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include +#include +#include +#include + +unsigned int +leon3_ahbslv_scan (register unsigned int vendor, register unsigned int driver) +{ + register unsigned int conf, i, *confp; + register unsigned int cfg_area = + (unsigned int) (LEON3_IO_AREA | LEON3_CONF_AREA | + LEON3_AHB_SLAVE_CONF_AREA); + for (i = 0; i < LEON3_AHB_SLAVES; i++) + { + confp = (unsigned int *) (cfg_area + (i * LEON3_AHB_CONF_WORDS * 4)); + conf = *confp; + if ((amba_vendor (conf) == vendor) && (amba_device (conf) == driver)) + { + return (unsigned int) confp; + } + } + return 0; +} + +unsigned int +leon3_getbase (register unsigned int *mbar, register unsigned int iobase, + int *irq) +{ + register unsigned int conf = mbar[1]; + return (unsigned int) (((iobase & 0xfff00000) | + ((conf & 0xfff00000) >> 12)) & (((conf & 0x0000fff0) + << 4) | + 0xfff00000)); +} + +unsigned int +leon3_apbslv_scan (register unsigned int base, + register unsigned int vendor, + register unsigned int driver, + amba_apb_device * apbdevs, int c) +{ + register unsigned int conf, i, *confp; + int j = 0; + for (i = 0; i < LEON3_APB_SLAVES; i++) + { + confp = (unsigned int *) (base + (i * LEON3_APB_CONF_WORDS * 4)); + conf = *confp; + if ((amba_vendor (conf) == vendor) && (amba_device (conf) == driver)) + { + if (j < c) + { + apbdevs[j].start = leon3_getbase (confp, base, 0); + apbdevs[j].irq = amba_irq (conf); + j++; + } + } + } + return j; +} + + +unsigned int +leon3_getapbbase (register unsigned int vendor, + register unsigned int driver, + amba_apb_device * apbdevs, int c) +{ + unsigned int apb = leon3_ahbslv_scan (VENDOR_GAISLER, GAISLER_APBMST); + apb = (*(unsigned int *) (apb + 16)) & LEON3_IO_AREA; + apb |= LEON3_CONF_AREA; + return leon3_apbslv_scan (apb, vendor, driver, apbdevs, c); +} -- cgit v1.2.3