1 /***********************************************************************
3 * Copyright (C) 2004 by FS Forth-Systeme GmbH.
6 * $Id: ns9750_bbus.h,v 1.1 2004/02/16 10:37:20 mpietrek Exp $
7 * @Author: Markus Pietrek
8 * @Descr: Definitions for BBus usage
9 * @References: [1] NS9750 Hardware Reference Manual/December 2003 Chap. 10
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 ***********************************************************************/
29 #ifndef FS_NS9750_BBUS_H
30 #define FS_NS9750_BBUS_H
32 #define NS9750_BBUS_MODULE_BASE (0x90600000)
34 #define get_bbus_reg_addr(c) \
35 ((volatile unsigned int *)(NS9750_BBUS_MODULE_BASE+(unsigned int) (c)))
37 /* We have support for 50 GPIO pins */
39 #define get_gpio_cfg_reg_addr(pin) \
40 get_bbus_reg_addr( NS9750_BBUS_GPIO_CFG_BASE + (((pin) >> 3) * 4) )
42 /* To Read/Modify/Write a pin configuration register, use it like
43 set_gpio_cfg_reg_val( 12, NS9750_GPIO_CFG_FUNC_GPIO|NS9750_GPIO_CFG_OUTPUT );
44 They should be wrapped by cli()/sti() */
45 #define set_gpio_cfg_reg_val(pin,cfg) \
46 *get_gpio_cfg_reg_addr(pin)=(*get_gpio_cfg_reg_addr((pin)) & \
47 ~NS9750_GPIO_CFG_MASK((pin))) |\
48 NS9750_GPIO_CFG_VAL((pin),(cfg));
50 #define NS9750_GPIO_CFG_MASK(pin) (NS9750_GPIO_CFG_VAL(pin, \
52 #define NS9750_GPIO_CFG_VAL(pin,cfg) ((cfg) << (((pin) % 8) * 4))
54 #define NS9750_GPIO_CFG_MA (0x0F)
55 #define NS9750_GPIO_CFG_INPUT (0x00)
56 #define NS9750_GPIO_CFG_OUTPUT (0x08)
57 #define NS9750_GPIO_CFG_FUNC_GPIO (0x03)
58 #define NS9750_GPIO_CFG_FUNC_2 (0x02)
59 #define NS9750_GPIO_CFG_FUNC_1 (0x01)
60 #define NS9750_GPIO_CFG_FUNC_0 (0x00)
62 /* the register addresses */
64 #define NS9750_BBUS_MASTER_RESET (0x00)
65 #define NS9750_BBUS_GPIO_CFG_BASE (0x10)
66 #define NS9750_BBUS_GPIO_CTRL_BASE (0x30)
67 #define NS9750_BBUS_GPIO_STAT_BASE (0x40)
68 #define NS9750_BBUS_MONITOR (0x50)
69 #define NS9750_BBUS_DMA_INT_STAT (0x60)
70 #define NS9750_BBUS_DMA_INT_ENABLE (0x64)
71 #define NS9750_BBUS_USB_CFG (0x70)
72 #define NS9750_BBUS_ENDIAN_CFG (0x80)
73 #define NS9750_BBUS_ARM_WAKE_UP (0x90)
75 /* register bit fields */
77 #define NS9750_BBUS_MASTER_RESET_UTIL (0x00000100)
78 #define NS9750_BBUS_MASTER_RESET_I2C (0x00000080)
79 #define NS9750_BBUS_MASTER_RESET_1284 (0x00000040)
80 #define NS9750_BBUS_MASTER_RESET_SER4 (0x00000020)
81 #define NS9750_BBUS_MASTER_RESET_SER3 (0x00000010)
82 #define NS9750_BBUS_MASTER_RESET_SER2 (0x00000008)
83 #define NS9750_BBUS_MASTER_RESET_SER1 (0x00000004)
84 #define NS9750_BBUS_MASTER_RESET_USB (0x00000002)
85 #define NS9750_BBUS_MASTER_RESET_DMA (0x00000001)
87 /* BS9750_BBUS_DMA_INT_BINT* are valid for *DMA_INT_STAT and *DMA_INT_ENABLE */
89 #define NS9750_BBUS_DMA_INT_BINT16 (0x00010000)
90 #define NS9750_BBUS_DMA_INT_BINT15 (0x00008000)
91 #define NS9750_BBUS_DMA_INT_BINT14 (0x00004000)
92 #define NS9750_BBUS_DMA_INT_BINT13 (0x00002000)
93 #define NS9750_BBUS_DMA_INT_BINT12 (0x00001000)
94 #define NS9750_BBUS_DMA_INT_BINT11 (0x00000800)
95 #define NS9750_BBUS_DMA_INT_BINT10 (0x00000400)
96 #define NS9750_BBUS_DMA_INT_BINT9 (0x00000200)
97 #define NS9750_BBUS_DMA_INT_BINT8 (0x00000100)
98 #define NS9750_BBUS_DMA_INT_BINT7 (0x00000080)
99 #define NS9750_BBUS_DMA_INT_BINT6 (0x00000040)
100 #define NS9750_BBUS_DMA_INT_BINT5 (0x00000020)
101 #define NS9750_BBUS_DMA_INT_BINT4 (0x00000010)
102 #define NS9750_BBUS_DMA_INT_BINT3 (0x00000008)
103 #define NS9750_BBUS_DMA_INT_BINT2 (0x00000004)
104 #define NS9750_BBUS_DMA_INT_BINT1 (0x00000002)
105 #define NS9750_BBUS_DMA_INT_BINT0 (0x00000001)
107 #define NS9750_BBUS_USB_CFG_OUTEN (0x00000008)
108 #define NS9750_BBUS_USB_CFG_SPEED (0x00000004)
109 #define NS9750_BBUS_USB_CFG_CFG_MA (0x00000003)
110 #define NS9750_BBUS_USB_CFG_CFG_HOST_SOFT (0x00000003)
111 #define NS9750_BBUS_USB_CFG_CFG_DEVICE (0x00000002)
112 #define NS9750_BBUS_USB_CFG_CFG_HOST (0x00000001)
113 #define NS9750_BBUS_USB_CFG_CFG_DIS (0x00000000)
115 #define NS9750_BBUS_ENDIAN_CFG_AHBM (0x00001000)
116 #define NS9750_BBUS_ENDIAN_CFG_I2C (0x00000080)
117 #define NS9750_BBUS_ENDIAN_CFG_IEEE1284 (0x00000040)
118 #define NS9750_BBUS_ENDIAN_CFG_SER4 (0x00000020)
119 #define NS9750_BBUS_ENDIAN_CFG_SER3 (0x00000010)
120 #define NS9750_BBUS_ENDIAN_CFG_SER2 (0x00000008)
121 #define NS9750_BBUS_ENDIAN_CFG_SER1 (0x00000004)
122 #define NS9750_BBUS_ENDIAN_CFG_USB (0x00000002)
123 #define NS9750_BBUS_ENDIAN_CFG_DMA (0x00000001)
125 #endif /* FS_NS9750_BBUS_H */