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/lcpuinit.S | 143 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 libgloss/sparc_leon/lcpuinit.S (limited to 'libgloss/sparc_leon/lcpuinit.S') diff --git a/libgloss/sparc_leon/lcpuinit.S b/libgloss/sparc_leon/lcpuinit.S new file mode 100644 index 000000000..d6a9ec842 --- /dev/null +++ b/libgloss/sparc_leon/lcpuinit.S @@ -0,0 +1,143 @@ +/* + * 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. + */ + + +#define LEON3_IO_AREA 0xfff00000 +#define LEON3_CONF_AREA 0xff000 +#define VENDOR_GAISLER 0x01 +#define GAISLER_APBMST 0x006 +#define GAISLER_APBUART 0x00C +#define GAISLER_GPTIMER 0x011 + + .text + /* ------- */ + .weak cpuinit + .set cpuinit,_cpuinit + /* ------- */ + !.global cpuinit +_cpuinit: + + mov %o7,%g6 + + mov %psr, %l3 + srl %l3, 24, %g5 + and %g5, 0xf, %g5 + subcc %g5, 3, %0 + be 1f + + /* other versions */ + + ba 2f + + ! ####### leon3 ######### + +1: set 0x01, %o0 !VENDOR_GAISLER + set 0x006, %o1 !GAISLER_APBMST + call ahbslv_scan + nop + + cmp %g0,%o0 + be 2f + nop + + ld [%o0+16],%g1 + set 0xfff00000,%o0 !LEON3_IO_AREA + and %g1,%o0,%g1 !g1: apb base + + set 0xff000,%o0 !LEON3_CONF_AREA + or %g1,%o0,%g2 !g2: apb conf base + + ! ####### uart ######### + mov %g2,%o0 + set 0x01 , %o1 ! VENDOR_GAISLER + set 0x00C,%o2 ! GAISLER_APBUART + call apbslv_scan + nop + cmp %g0,%o0 + be 2f + nop + + call iobar_getbase + mov %g1,%o1 + + set console, %g5 + st %o1,[%g5] !uart base address + + ! ####### timer ######### + + mov %g2,%o0 + set 0x01 , %o1 !VENDOR_GAISLER + set 0x011,%o2 !GAISLER_GPTIMER + call apbslv_scan + nop + cmp %g0,%o0 + be 2f + nop + + call iobar_getbase + mov %g1,%o1 + + add %o1,0x10,%o1 + set rtc, %g5 + st %o1,[%g5] + + ! ################ + + mov %g2,%o0 + set 0x01 , %o1 !VENDOR_GAISLER + set 0x00D,%o2 !GAISLER_IRQMP + call apbslv_scan + nop + cmp %g0,%o0 + be 2f + nop + + call iobar_getbase + mov %g1,%o1 + + set irqmp, %g5 + st %o1,[%g5] + ld [%o1+0x10], %o2 + srl %o2, 16, %o2 + and %o2, 15, %o2 + st %o2,[%g5+4] + + ! ################ + +2: mov %g6,%o7 + retl + nop + + ! force link of jiffies_64 + .global jiffies_64 +3: set jiffies_64,%g1 + + + .data + .global irqmp + +irqmp: .word 0 ! IRQMP base address + .word 0 ! extended irq number + + .text -- cgit v1.2.3