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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-07-21 15:18:02 +0000 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-07-21 15:18:02 +0000 |
commit | dc0a7df67469f1170cfb95114c03f5980710c1be (patch) | |
tree | 202b566de761b1f6090696c89ccf4b787f3dc0cb /c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S | |
parent | 2011-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff) | |
download | rtems-dc0a7df67469f1170cfb95114c03f5980710c1be.tar.bz2 |
2011-07-21 Sebastian Huber <sebastian.huber@embedded-brains.de>
PR 1799/bsps
* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.ac,
clock/clock-config.c, console/console-config.c,
console/uart-bridge-master.c, console/uart-bridge-slave.c,
include/.cvsignore, include/bsp.h, include/hwreg_vals.h,
include/intercom.h, include/irq.h, include/mmu.h, include/qoriq.h,
include/tm27.h, include/tsec-config.h, include/u-boot-config.h,
include/uart-bridge.h, irq/irq.c, make/custom/qoriq.inc,
make/custom/qoriq_core_0.cfg, make/custom/qoriq_core_1.cfg,
make/custom/qoriq_p1020rdb.cfg, network/if_intercom.c,
network/network.c, rtc/rtc-config.c, shmsupp/intercom-mpci.c,
shmsupp/intercom.c, shmsupp/lock.S, start/start.S,
startup/bsppredriverhook.c, startup/bspreset.c, startup/bspstart.c,
startup/linkcmds.base, startup/linkcmds.qoriq_core_0,
startup/linkcmds.qoriq_core_1, startup/linkcmds.qoriq_p1020rdb,
startup/mmu-config.c, startup/mmu-tlb1.S, startup/mmu.c: New files.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S')
-rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S new file mode 100644 index 0000000000..390b5474b6 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-tlb1.S @@ -0,0 +1,86 @@ +/** + * @file + * + * @ingroup QorIQMMU + * + * @brief qoriq_tlb1_write() and qoriq_tlb1_invalidate() implementation. + */ + +/* + * Copyright (c) 2011 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <libcpu/powerpc-utility.h> + + .global qoriq_tlb1_write + .global qoriq_tlb1_invalidate + .global qoriq_tlb1_ts_0_only + + .section ".bsp_start_text", "ax" + +qoriq_tlb1_write: + rlwinm r3, r3, 16, 12, 15 + rlwinm r7, r7, 0, 0, 19 + oris r3, r3, 0x1000 + mtspr FSL_EIS_MAS0, r3 + oris r4, r4, 0xc000 + rlwinm r8, r8, 8, 20, 23 + or r8, r4, r8 + mtspr FSL_EIS_MAS1, r8 + or r5, r7, r5 + mtspr FSL_EIS_MAS2, r5 + or r6, r7, r6 + mtspr FSL_EIS_MAS3, r6 + li r0, 0 + mtspr FSL_EIS_MAS7, r0 + tlbwe + sync + isync + blr + +qoriq_tlb1_invalidate: + rlwinm r3, r3, 16, 12, 15 + oris r3, r3, 0x1000 + mtspr FSL_EIS_MAS0, r3 + li r0, 0 + mtspr FSL_EIS_MAS1, r0 + mtspr FSL_EIS_MAS2, r0 + mtspr FSL_EIS_MAS3, r0 + mtspr FSL_EIS_MAS7, r0 + tlbwe + sync + isync + blr + +qoriq_tlb1_ts_0_only: + mflr r12 + li r11, 16 + mtctr r11 + li r11, 0 +2: + rlwinm r0, r11, 16, 12, 15 + oris r0, r0, (FSL_EIS_MAS0_TLBSEL >> 16) + mtspr FSL_EIS_MAS0, r0 + tlbre + mfspr r0, FSL_EIS_MAS1 + andi. r0, r0, FSL_EIS_MAS1_TS + beq 1f + mr r3, r11 + bl qoriq_tlb1_invalidate +1: + addi r11, r11, 1 + bdnz 2b + mtlr r12 + blr |