1 |
786 |
skrzyp |
#ifndef CYGONCE_HAL_ARM_XSCALE_GRG_GRG_H
|
2 |
|
|
#define CYGONCE_HAL_ARM_XSCALE_GRG_GRG_H
|
3 |
|
|
|
4 |
|
|
/*=============================================================================
|
5 |
|
|
//
|
6 |
|
|
// grg.h
|
7 |
|
|
//
|
8 |
|
|
// Platform specific support (register layout, etc)
|
9 |
|
|
//
|
10 |
|
|
//=============================================================================
|
11 |
|
|
// ####ECOSGPLCOPYRIGHTBEGIN####
|
12 |
|
|
// -------------------------------------------
|
13 |
|
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
14 |
|
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
|
15 |
|
|
//
|
16 |
|
|
// eCos is free software; you can redistribute it and/or modify it under
|
17 |
|
|
// the terms of the GNU General Public License as published by the Free
|
18 |
|
|
// Software Foundation; either version 2 or (at your option) any later
|
19 |
|
|
// version.
|
20 |
|
|
//
|
21 |
|
|
// eCos is distributed in the hope that it will be useful, but WITHOUT
|
22 |
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
23 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
24 |
|
|
// for more details.
|
25 |
|
|
//
|
26 |
|
|
// You should have received a copy of the GNU General Public License
|
27 |
|
|
// along with eCos; if not, write to the Free Software Foundation, Inc.,
|
28 |
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
29 |
|
|
//
|
30 |
|
|
// As a special exception, if other files instantiate templates or use
|
31 |
|
|
// macros or inline functions from this file, or you compile this file
|
32 |
|
|
// and link it with other works to produce a work based on this file,
|
33 |
|
|
// this file does not by itself cause the resulting work to be covered by
|
34 |
|
|
// the GNU General Public License. However the source code for this file
|
35 |
|
|
// must still be made available in accordance with section (3) of the GNU
|
36 |
|
|
// General Public License v2.
|
37 |
|
|
//
|
38 |
|
|
// This exception does not invalidate any other reasons why a work based
|
39 |
|
|
// on this file might be covered by the GNU General Public License.
|
40 |
|
|
// -------------------------------------------
|
41 |
|
|
// ####ECOSGPLCOPYRIGHTEND####
|
42 |
|
|
//=============================================================================
|
43 |
|
|
//#####DESCRIPTIONBEGIN####
|
44 |
|
|
//
|
45 |
|
|
// Author(s): msalter
|
46 |
|
|
// Contributors: msalter
|
47 |
|
|
// Date: 2003-02-05
|
48 |
|
|
// Purpose: Intel GRG specific support routines
|
49 |
|
|
// Description:
|
50 |
|
|
// Usage: #include <cyg/hal/grg.h>
|
51 |
|
|
//
|
52 |
|
|
//####DESCRIPTIONEND####
|
53 |
|
|
//
|
54 |
|
|
//===========================================================================*/
|
55 |
|
|
|
56 |
|
|
#include <pkgconf/system.h>
|
57 |
|
|
#include CYGHWR_MEMORY_LAYOUT_H
|
58 |
|
|
#include <pkgconf/hal_arm_xscale_grg.h>
|
59 |
|
|
#include <cyg/hal/hal_ixp425.h>
|
60 |
|
|
|
61 |
|
|
// These must match setup in the page table in hal_platform_extras.h
|
62 |
|
|
#define SDRAM_PHYS_BASE 0x00000000
|
63 |
|
|
#define SDRAM_BASE 0x00000000
|
64 |
|
|
#define SDRAM_ALIAS_BASE 0x10000000
|
65 |
|
|
#define SDRAM_UNCACHED_BASE 0x20000000
|
66 |
|
|
#define SDRAM_DC_BASE 0x30000000
|
67 |
|
|
#define SDRAM_SIZE 0x02000000 // 32MB
|
68 |
|
|
|
69 |
|
|
#define IXDP_FLASH_BASE 0x50000000
|
70 |
|
|
#define IXDP_FLASH_SIZE 0x01000000
|
71 |
|
|
#define IXDP_FLASH_DC_BASE 0xA0000000
|
72 |
|
|
|
73 |
|
|
// CS0 (flash optimum timing)
|
74 |
|
|
#define IXP425_EXP_CS0_INIT \
|
75 |
|
|
(EXP_ADDR_T(3) | EXP_SETUP_T(3) | EXP_STROBE_T(15) | EXP_HOLD_T(3) | \
|
76 |
|
|
EXP_RECOVERY_T(15) | EXP_SZ_16M | EXP_WR_EN | EXP_BYTE_RD16 | EXP_CS_EN)
|
77 |
|
|
|
78 |
|
|
#define IXP425_SDRAM_CONFIG_INIT (SDRAM_CONFIG_CAS_3 | SDRAM_CONFIG_2x8Mx16)
|
79 |
|
|
#define IXP425_SDRAM_REFRESH_CNT 0x81A
|
80 |
|
|
#define IXP425_SDRAM_SET_MODE_CMD SDRAM_IR_MODE_SET_CAS3
|
81 |
|
|
|
82 |
|
|
|
83 |
|
|
// ------------------------------------------------------------------------
|
84 |
|
|
// GPIO lines
|
85 |
|
|
//
|
86 |
|
|
#define GPIO_PWR_FAIL_IRQ_N 0
|
87 |
|
|
#define GPIO_DSL_IRQ_N 1
|
88 |
|
|
#define GPIO_SLIC_A_IRQ_N 2
|
89 |
|
|
#define GPIO_SLIC_B_IRQ_N 3
|
90 |
|
|
#define GPIO_DSP_IRQ_N 4
|
91 |
|
|
#define GPIO_IDE_IRQ_N 5
|
92 |
|
|
|
93 |
|
|
// GPIO lines used for SPI bus
|
94 |
|
|
#define GPIO_SPI_CS1_N 7
|
95 |
|
|
#define GPIO_SPI_CS0_N 8
|
96 |
|
|
#define GPIO_SPI_SCK 9
|
97 |
|
|
#define GPIO_SPI_SDI 10
|
98 |
|
|
#define GPIO_SPI_SDO 13
|
99 |
|
|
|
100 |
|
|
#define GPIO_IO_RESET_N 12
|
101 |
|
|
|
102 |
|
|
// ------------------------------------------------------------------------
|
103 |
|
|
// No Hex Display
|
104 |
|
|
//
|
105 |
|
|
#ifdef __ASSEMBLER__
|
106 |
|
|
// Display hex digits in 'value' not masked by 'mask'.
|
107 |
|
|
.macro DISPLAY value, reg0, reg1
|
108 |
|
|
.endm
|
109 |
|
|
#else
|
110 |
|
|
static inline void HEX_DISPLAY(int value)
|
111 |
|
|
{
|
112 |
|
|
}
|
113 |
|
|
#endif // __ASSEMBLER__
|
114 |
|
|
|
115 |
|
|
// ------------------------------------------------------------------------
|
116 |
|
|
|
117 |
|
|
#endif // CYGONCE_HAL_ARM_XSCALE_GRG_GRG_H
|
118 |
|
|
// EOF grg.h
|