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hathach
2014-03-12 17:18:50 +07:00
parent a7e14b4646
commit d98bc0a64b
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boards/embedded_artists/oem_base_board/memreg.c
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/*****************************************************************************
*
* Copyright(C) 2011, Embedded Artists AB
* All rights reserved.
*
******************************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* Embedded Artists AB assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. Embedded Artists AB
* reserves the right to make changes in the software without
* notification. Embedded Artists AB also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
*****************************************************************************/
/******************************************************************************
* Includes
*****************************************************************************/
#include "lpc43xx.h"
#include "lpc_types.h"
#include "lpc43xx_scu.h"
#include "memreg.h"
/******************************************************************************
* Defines and typedefs
*****************************************************************************/
/******************************************************************************
* External global variables
*****************************************************************************/
/******************************************************************************
* Local variables
*****************************************************************************/
static void pinConfig(void)
{
/* Set up EMC pin */
scu_pinmux( 2 , 9 , MD_PLN_FAST , 3 );//A0
scu_pinmux( 2 , 10 , MD_PLN_FAST , 3 );//A1
scu_pinmux( 2 , 11 , MD_PLN_FAST , 3 );//A2
scu_pinmux( 2 , 12 , MD_PLN_FAST , 3 );//A3
scu_pinmux( 2 , 13 , MD_PLN_FAST , 3 );//A4
scu_pinmux( 1 , 0 , MD_PLN_FAST , 2 );//A5
scu_pinmux( 1 , 1 , MD_PLN_FAST , 2 );//A6
scu_pinmux( 1 , 2 , MD_PLN_FAST , 2 );//A7
scu_pinmux( 2 , 8 , MD_PLN_FAST , 3 );//A8
scu_pinmux( 2 , 7 , MD_PLN_FAST , 3 );//A9
scu_pinmux( 2 , 6 , MD_PLN_FAST , 2 );//A10
scu_pinmux( 2 , 2 , MD_PLN_FAST , 2 );//A11
scu_pinmux( 2 , 1 , MD_PLN_FAST , 2 );//A12
scu_pinmux( 2 , 0 , MD_PLN_FAST , 2 );//A13
scu_pinmux( 6 , 8 , MD_PLN_FAST , 1 );//A14
scu_pinmux( 6 , 7 , MD_PLN_FAST , 1 );//A15
scu_pinmux( 13 , 16 , MD_PLN_FAST , 2 );//A16
scu_pinmux( 13 , 15 , MD_PLN_FAST , 2 );//A17
scu_pinmux( 14 , 0 , MD_PLN_FAST , 3 );//A18
scu_pinmux( 14 , 1 , MD_PLN_FAST , 3 );//A19
scu_pinmux( 14 , 2 , MD_PLN_FAST , 3 );//A20
scu_pinmux( 14 , 3 , MD_PLN_FAST , 3 );//A21
scu_pinmux( 14 , 4 , MD_PLN_FAST , 3 );//A22
scu_pinmux( 10 , 4 , MD_PLN_FAST , 3 );//A23
scu_pinmux( 1 , 7 , MD_PLN_FAST , 3 );//D0
scu_pinmux( 1 , 8 , MD_PLN_FAST , 3 );//D1
scu_pinmux( 1 , 9 , MD_PLN_FAST , 3 );//D2
scu_pinmux( 1 , 10 , MD_PLN_FAST , 3 );//D3
scu_pinmux( 1 , 11 , MD_PLN_FAST , 3 );//D4
scu_pinmux( 1 , 12 , MD_PLN_FAST , 3 );//D5
scu_pinmux( 1 , 13 , MD_PLN_FAST , 3 );//D6
scu_pinmux( 1 , 14 , MD_PLN_FAST , 3 );//D7
scu_pinmux( 5 , 4 , MD_PLN_FAST , 2 );//D8
scu_pinmux( 5 , 5 , MD_PLN_FAST , 2 );//D9
scu_pinmux( 5 , 6 , MD_PLN_FAST , 2 );//D10
scu_pinmux( 5 , 7 , MD_PLN_FAST , 2 );//D11
scu_pinmux( 5 , 0 , MD_PLN_FAST , 2 );//D12
scu_pinmux( 5 , 1 , MD_PLN_FAST , 2 );//D13
scu_pinmux( 5 , 2 , MD_PLN_FAST , 2 );//D14
scu_pinmux( 5 , 3 , MD_PLN_FAST , 2 );//D15
scu_pinmux( 13 , 2 , MD_PLN_FAST , 2 );//D16
scu_pinmux( 13 , 3 , MD_PLN_FAST , 2 );//D17
scu_pinmux( 13 , 4 , MD_PLN_FAST , 2 );//D18
scu_pinmux( 13 , 5 , MD_PLN_FAST , 2 );//D19
scu_pinmux( 13 , 6 , MD_PLN_FAST , 2 );//D20
scu_pinmux( 13 , 7 , MD_PLN_FAST , 2 );//D21
scu_pinmux( 13 , 8 , MD_PLN_FAST , 2 );//D22
scu_pinmux( 13 , 9 , MD_PLN_FAST , 2 );//D23
scu_pinmux( 14 , 5 , MD_PLN_FAST , 3 );//D24
scu_pinmux( 14 , 6 , MD_PLN_FAST , 3 );//D25
scu_pinmux( 14 , 7 , MD_PLN_FAST , 3 );//D26
scu_pinmux( 14 , 8 , MD_PLN_FAST , 3 );//D27
scu_pinmux( 14 , 9 , MD_PLN_FAST , 3 );//D28
scu_pinmux( 14 , 10 , MD_PLN_FAST , 3 );//D29
scu_pinmux( 14 , 11 , MD_PLN_FAST , 3 );//D30
scu_pinmux( 14 , 12 , MD_PLN_FAST , 3 );//D31
scu_pinmux( 1 , 3 , MD_PLN_FAST , 3 );//OE
scu_pinmux( 1 , 6 , MD_PLN_FAST , 3 );//WE
scu_pinmux( 1 , 4 , MD_PLN_FAST , 3 );//BLS0
scu_pinmux( 6 , 6 , MD_PLN_FAST , 1 );//BLS1
scu_pinmux( 13 , 13 , MD_PLN_FAST , 2 );//BLS2
scu_pinmux( 13 , 10 , MD_PLN_FAST , 2 );//BLS3
scu_pinmux( 1 , 5 , MD_PLN_FAST , 3 );//CS0
scu_pinmux( 6 , 3 , MD_PLN_FAST , 3 );//CS1
scu_pinmux( 13 , 12 , MD_PLN_FAST , 2 );//CS2
scu_pinmux( 13 , 11 , MD_PLN_FAST , 2 );//CS3
scu_pinmux( 6 , 4 , MD_PLN_FAST , 3 );//CAS
scu_pinmux( 6 , 5 , MD_PLN_FAST , 3 );//RAS
scu_pinmux( 6 , 9 , MD_PLN_FAST , 3 );//DYCS0
scu_pinmux( 6 , 1 , MD_PLN_FAST , 1 );//DYCS1
scu_pinmux( 13 , 14 , MD_PLN_FAST , 2 );//DYCS2
scu_pinmux( 15 , 14 , MD_PLN_FAST , 3 );//DYCS3
scu_pinmux( 6 , 11 , MD_PLN_FAST , 3 );//CKEOUT0
scu_pinmux( 6 , 2 , MD_PLN_FAST , 1 );//CKEOUT1
scu_pinmux( 13 , 1 , MD_PLN_FAST , 2 );//CKEOUT2
scu_pinmux( 14 , 15 , MD_PLN_FAST , 3 );//CKEOUT3
scu_pinmux( 6 , 12 , MD_PLN_FAST , 3 );//DQMOUT0
scu_pinmux( 6 , 10 , MD_PLN_FAST , 3 );//DQMOUT1
scu_pinmux( 13 , 0 , MD_PLN_FAST , 2 );//DQMOUT2
scu_pinmux( 14 , 13 , MD_PLN_FAST , 3 );//DQMOUT3
}
/******************************************************************************
* Local Functions
*****************************************************************************/
/******************************************************************************
* Public Functions
*****************************************************************************/
/******************************************************************************
*
* Description:
* Initialize the NOR Flash
*
*****************************************************************************/
uint32_t memreg_init (void)
{
LPC_EMC->CONTROL = 0x00000001;
LPC_EMC->CONFIG = 0x00000000;
pinConfig();
// Setup for 16-bit access
LPC_EMC->STATICCONFIG2 = 0x00000001;
return FALSE;
}