More files for the Cortex-M0/NUC120 port

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5659 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2013-02-18 20:24:20 +00:00
parent 7c919b80a1
commit 2e08ba1b37
5 changed files with 177 additions and 4 deletions

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@ -51,6 +51,47 @@
* Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* Crystal frequencies */
#define BOARD_HIGHSPEED_XTAL_FREQUENCY 12000000
#define BOARD_LOWSPEED_XTAL_FREQUENCY 32768
/* PLL: The PLL must be 48MHz x N times when using USB
*
* FOUT = FIN x (NF/NR) x (1 / NO)
* FIN = Input reference clock frequency
* NF = Feedback divider
* = (FB_DV + 2)
* NR = Input divider
* = (IN_DV + 2)
* NO = 1 if OUT_DV == 0
* 2 if OUT_DV == 1 or 2
* 4 if OUT_DV == 3
*
* FOUT = 12000000 x 48 / 3 / 4
* = 48MHz
*/
#define BOARD_PLL_FIN BOARD_HIGHSPEED_XTAL_FREQUENCY
#define BOARD_PLL_FB_DV 46
#define BOARD_PLL_NF (BOARD_PLL_FB_DV+2)
#define BOARD_PLL_IN_DV 1
#define BOARD_PLL_NR (BOARD_PLL_IN_DV+2)
#define BOARD_PLL_OUT_DV 3
#define BOARD_PLL_NO 4
#define BOARD_PLL_FOUT \
(BOARD_PLL_FIN * BOARD_PLL_NF / BOARD_PLL_NR / BOARD_PLL_NO)
/* HCLK. FOUT is the HCLK source clock. */
#define BOARD_HCLK_N 0
#define BOARD_HCLK_FREQUENCY (BOARD_PLL_FOUT / (BOARD_HCLK_N + 1))
/* USB. FOUT is the source. The USB CLK must be 48MHz */
#define BOARD_USB_N 0
#define BOARD_USB_FREQUENCY (BOARD_PLL_FOUT / (BOARD_USB_N + 1))
/* LED definitions ******************************************************************/
/* The NuTiny has a single green LED that can be controlled from sofware. This LED

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@ -414,7 +414,7 @@ CONFIG_DISABLE_MOUNTPOINT=y
# Memory Management
#
# CONFIG_MM_SMALL is not set
CONFIG_MM_REGIONS=2
CONFIG_MM_REGIONS=1
# CONFIG_GRAN is not set
#

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@ -0,0 +1,113 @@
/****************************************************************************
* configs/nutiny-nuc120/scripts/ld.script
*
* Copyright (C) 2013 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.
*
****************************************************************************/
/* The NUC120LE3AN has 128Kb of FLASH beginning at address 0x0000:0000 and
* 16Kb of SRAM at address 0x20000000.
*/
MEMORY
{
flash (rx) : ORIGIN = 0x00000000, LENGTH = 128K
sram (rwx) : ORIGIN = 0x20000000, LENGTH = 16K
}
OUTPUT_ARCH(arm)
ENTRY(_stext)
SECTIONS
{
.text : {
_stext = ABSOLUTE(.);
*(.vectors)
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > flash
.init_section : {
_sinit = ABSOLUTE(.);
*(.init_array .init_array.*)
_einit = ABSOLUTE(.);
} > flash
.ARM.extab : {
*(.ARM.extab*)
} > flash
__exidx_start = ABSOLUTE(.);
.ARM.exidx : {
*(.ARM.exidx*)
} > flash
__exidx_end = ABSOLUTE(.);
_eronly = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > sram AT > flash
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
} > sram
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
}

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@ -103,10 +103,14 @@
****************************************************************************/
/****************************************************************************
* Name: up_ledinit
* Name: nuc_ledinit
*
* Description:
* Initialize the on-board LED
*
****************************************************************************/
void up_ledinit(void)
void nuc_ledinit(void)
{
nuc_configgpio(GPIO_LED);
}

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@ -52,7 +52,7 @@
/* NuTiny-EVB-120 GPIOs *****************************************************************************/
/* The NuTiny has a single green LED that can be controlled from sofware. This LED
* is connected to PIN17. It is pulled high so a low value will illuminate the LED.
* is connected to PIN17 (PB.0). It is pulled high so a low value will illuminate the LED.
*
* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the
* NuTiny. The following definitions describe how NuttX controls the LEDs:
@ -71,6 +71,8 @@
* LED_IDLE NUC1XX is is sleep mode (Optional, not used)
*/
#define GPIO_LED (GPIO_OUTPUT | GPIO_OUTPUT_SET | GPIO_PORTB | GPIO_PIN8)
/* Button definitions ***************************************************************/
/* The NuTiny has no buttons */
@ -111,6 +113,19 @@ void weak_function nuc_spiinitialize(void);
void weak_function nuc_usbinitialize(void);
#endif
/****************************************************************************************************
* Name: nuc_ledinit
*
* Description:
* Initialize the on-board LED
*
****************************************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void nuc_ledinit(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_NUTINY_NUC120_SRC_NUTINY_NUC120_H */