SAMA5D4-EK: These configurations now use the fixed DRAM mapping for manipulating the page memory pool.

This commit is contained in:
Gregory Nutt 2014-09-10 08:44:09 -06:00
parent df4682fd1f
commit 9a5640b542
4 changed files with 135 additions and 5 deletions

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@ -0,0 +1,119 @@
/****************************************************************************
* arch/arm/src/armv7/pginline.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_ARMV7_A_PGINLINE_H
#define __ARCH_ARM_SRC_ARMV7_A_PGINLINE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <nuttx/addrenv.h>
#include "mmu.h"
#if defined(CONFIG_MM_PGALLOC) && defined(CONFIG_ARCH_USE_MMU)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: arm_pgmap
*
* Description:
* Map one page to a temporary, scratch virtual memory address
*
****************************************************************************/
#ifndef CONFIG_ARCH_PGPOOL_MAPPING
static inline uintptr_t arm_tmpmap(uintptr_t paddr, FAR uint32_t *l1save)
{
*l1save = mmu_l1_getentry(ARCH_SCRATCH_VBASE);
mmu_l1_setentry(paddr & ~SECTION_MASK, ARCH_SCRATCH_VBASE, MMU_MEMFLAGS);
return ((uintptr_t)ARCH_SCRATCH_VBASE | (paddr & SECTION_MASK));
}
#endif
/****************************************************************************
* Name: arm_pgrestore
*
* Description:
* Restore any previous L1 page table mapping that was in place when
* arm_tmpmap() was called
*
****************************************************************************/
#ifndef CONFIG_ARCH_PGPOOL_MAPPING
static inline void arm_tmprestore(uint32_t l1save)
{
mmu_l1_restore(ARCH_SCRATCH_VBASE, l1save);
}
#endif
/****************************************************************************
* Name: arm_pgvaddr
*
* Description:
* If the page memory pool is staticly mapped, then we do not have to
* go through the the temporary mapping. We simply have to perform a
* physical to virtual memory address mapping.
*
****************************************************************************/
#ifdef CONFIG_ARCH_PGPOOL_MAPPING
static inline uintptr_t arm_pgvaddr(uintptr_t paddr)
{
DEBUGASSERT(paddr >= CONFIG_ARCH_PGPOOL_PBASE &&
paddr < CONFIG_ARCH_PGPOOL_PEND);
return paddr - CONFIG_ARCH_PGPOOL_PBASE + CONFIG_ARCH_PGPOOL_VBASE;
}
#endif
#endif /* CONFIG_MM_PGALLOC && CONFIG_ARCH_USE_MMU */
#endif /* __ARCH_ARM_SRC_ARMV7_A_PGINLINE_H */

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@ -271,6 +271,10 @@ CONFIG_ARCH_TEXT_NPAGES=256
CONFIG_ARCH_DATA_NPAGES=256
CONFIG_ARCH_HEAP_NPAGES=256
CONFIG_ARCH_STACK_NPAGES=256
CONFIG_ARCH_PGPOOL_MAPPING=y
CONFIG_ARCH_PGPOOL_PBASE=0x28000000
CONFIG_ARCH_PGPOOL_VBASE=0x28000000
CONFIG_ARCH_PGPOOL_SIZE=134217728
# CONFIG_PAGING is not set
# CONFIG_ARCH_IRQPRIO is not set
CONFIG_ARCH_STACKDUMP=y
@ -334,6 +338,7 @@ CONFIG_SAMA5D4_MB_REVC=y
# CONFIG_SAMA5D4EK_396MHZ is not set
CONFIG_SAMA5D4EK_528MHZ=y
CONFIG_SAMA5D4EK_DRAM_BOOT=y
# CONFIG_SAMA5D4EK_ROMFS_MOUNT is not set
# CONFIG_SAMA5D4EK_SLOWCLOCK is not set
#
@ -363,6 +368,8 @@ CONFIG_PREALLOC_TIMERS=4
#
# Tasks and Scheduling
#
CONFIG_INIT_ENTRYPOINT=y
# CONFIG_INIT_FILEPATH is not set
CONFIG_USER_ENTRYPOINT="elf_main"
CONFIG_RR_INTERVAL=200
CONFIG_TASK_NAME_SIZE=32

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@ -241,10 +241,6 @@ CONFIG_SAMA5_HSMCI0_XDMAC0=y
#
# External Memory Configuration
#
# CONFIG_SAMA5_EBICS0 is not set
# CONFIG_SAMA5_EBICS1 is not set
# CONFIG_SAMA5_EBICS2 is not set
# CONFIG_SAMA5_EBICS3 is not set
# CONFIG_SAMA5_HAVE_NAND is not set
# CONFIG_SAMA5_HAVE_PMECC is not set
# CONFIG_SAMA5_BOOT_ISRAM is not set
@ -286,6 +282,10 @@ CONFIG_ARCH_TEXT_NPAGES=256
CONFIG_ARCH_DATA_NPAGES=256
CONFIG_ARCH_HEAP_NPAGES=256
CONFIG_ARCH_STACK_NPAGES=256
CONFIG_ARCH_PGPOOL_MAPPING=y
CONFIG_ARCH_PGPOOL_PBASE=0x28000000
CONFIG_ARCH_PGPOOL_VBASE=0x28000000
CONFIG_ARCH_PGPOOL_SIZE=134217728
# CONFIG_PAGING is not set
# CONFIG_ARCH_IRQPRIO is not set
CONFIG_ARCH_STACKDUMP=y
@ -355,6 +355,7 @@ CONFIG_SAMA5D4EK_HSMCI0_MOUNT=y
CONFIG_SAMA5D4EK_HSMCI0_MOUNT_FSTYPE="vfat"
CONFIG_SAMA5D4EK_HSMCI0_MOUNT_BLKDEV="/dev/mmcsd0"
CONFIG_SAMA5D4EK_HSMCI0_MOUNT_MOUNTPOINT="/bin"
# CONFIG_SAMA5D4EK_ROMFS_MOUNT is not set
# CONFIG_SAMA5D4EK_SLOWCLOCK is not set
#
@ -949,7 +950,6 @@ CONFIG_NSH_CONSOLE=y
#
# I2C tool
#
# CONFIG_SYSTEM_I2CTOOL is not set
#
# INI File Parser

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@ -266,6 +266,10 @@ CONFIG_ARCH_TEXT_NPAGES=256
CONFIG_ARCH_DATA_NPAGES=256
CONFIG_ARCH_HEAP_NPAGES=256
CONFIG_ARCH_STACK_NPAGES=256
CONFIG_ARCH_PGPOOL_MAPPING=y
CONFIG_ARCH_PGPOOL_PBASE=0x28000000
CONFIG_ARCH_PGPOOL_VBASE=0x28000000
CONFIG_ARCH_PGPOOL_SIZE=134217728
# CONFIG_PAGING is not set
# CONFIG_ARCH_IRQPRIO is not set
CONFIG_ARCH_STACKDUMP=y