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1 /**********************************************************************
2 * $Id: lpc43xx_emc.h 8765 2011-12-08 00:51:21Z nxp21346 $               lpc43xx_emc.h           2011-12-07
3 *//**
4 * @file         lpc43xx_emc.h
5 * @brief        Contains all functions support for Clock Generation and Control
6 *                       firmware library on lpc43xx
7 * @version      1.0
8 * @date         07. December. 2011
9 * @author       NXP MCU SW Application Team
10 *
11 * Copyright(C) 2011, NXP Semiconductor
12 * All rights reserved.
13 *
14 ***********************************************************************
15 * Software that is described herein is for illustrative purposes only
16 * which provides customers with programming information regarding the
17 * products. This software is supplied "AS IS" without any warranties.
18 * NXP Semiconductors assumes no responsibility or liability for the
19 * use of the software, conveys no license or title under any patent,
20 * copyright, or mask work right to the product. NXP Semiconductors
21 * reserves the right to make changes in the software without
22 * notification. NXP Semiconductors also make no representation or
23 * warranty that such application will be suitable for the specified
24 * use without further testing or modification.
25 **********************************************************************/
26
27 #define __CRYSTAL        (12000000UL)    /* Crystal Oscillator frequency          */
28 #define __PLLMULT                (15)
29 #define __PLLOUTHZ               (__CRYSTAL * __PLLMULT)
30 #define __EMCDIV                 (2)
31 #define __EMCHZ                  (__PLLOUTHZ / __EMCDIV)
32
33 void MemoryPinInit(void);
34 void EMCFlashInit(void);
35
36 /* SDRAM Address Base for DYCS0*/
37 #define SDRAM_BASE_ADDR 0x28000000
38 #define FLASH_BASE_ADDR 0x1C000000
39
40 #define EMC_SDRAM_WIDTH_8_BITS          0
41 #define EMC_SDRAM_WIDTH_16_BITS         1
42 #define EMC_SDRAM_WIDTH_32_BITS         2
43
44 #define EMC_SDRAM_SIZE_16_MBITS         0
45 #define EMC_SDRAM_SIZE_64_MBITS         1
46 #define EMC_SDRAM_SIZE_128_MBITS        2
47 #define EMC_SDRAM_SIZE_256_MBITS        3
48 #define EMC_SDRAM_SIZE_512_MBITS        4
49
50 #define EMC_SDRAM_DATA_BUS_16_BITS      0
51 #define EMC_SDRAM_DATA_BUS_32_BITS      1
52
53 #define EMC_B_ENABLE                                    (1 << 19)
54 #define EMC_ENABLE                                              (1 << 0)
55 #define EMC_CE_ENABLE                                   (1 << 0)
56 #define EMC_CS_ENABLE                                   (1 << 1)
57 #define EMC_CLOCK_DELAYED_STRATEGY              (0 << 0)
58 #define EMC_COMMAND_DELAYED_STRATEGY    (1 << 0)
59 #define EMC_COMMAND_DELAYED_STRATEGY2   (2 << 0)
60 #define EMC_COMMAND_DELAYED_STRATEGY3   (3 << 0)
61 #define EMC_INIT(i)                                     ((i) << 7)
62 #define EMC_NORMAL                                              (0)
63 #define EMC_MODE                                                (1)
64 #define EMC_PRECHARGE_ALL                               (2)
65 #define EMC_NOP                                                 (3)
66
67 /* The Hitex LPC18xx Evaluation board contains a 64Mb SDRAM with a 16-bit data bus */
68 #define SDRAM_SIZE_BYTES                (1024UL * 1024UL * 8UL)
69 #define SDRAM_WIDTH                             EMC_SDRAM_WIDTH_16_BITS
70 #define SDRAM_SIZE_MBITS                EMC_SDRAM_SIZE_64_MBITS
71 #define SDRAM_DATA_BUS_BITS             EMC_SDRAM_DATA_BUS_16_BITS                      
72 #define SDRAM_COL_ADDR_BITS             8               
73 #define CLK0_DELAY     0
74
75 void vEMC_InitSRDRAM(uint32_t u32BaseAddr, uint32_t u32Width, uint32_t u32Size, uint32_t u32DataBus, uint32_t u32ColAddrBits);
76 void emc_WaitUS(volatile uint32_t us);
77 void emc_WaitMS(uint32_t ms);
78
79