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tx4938.h
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1
7/*
8 * COPYRIGHT (c) 1989-2012.
9 * On-Line Applications Research Corporation (OAR).
10 *
11 * The license and distribution terms for this file may be
12 * found in the file LICENSE in this distribution or at
13 * http://www.rtems.org/license/LICENSE.
14 */
15
16#ifndef __TX4938_h
17#define __TX4938_h
18
19#define TX4938_REG_BASE 0xFF1F0000
20
21/* PCI1 Registers */
22#define TX4938_PCI1_PCIID 0x7000
23#define TX4938_PCI1_PCISTATUS 0x7004
24#define TX4938_PCI1_PCICFG1 0x700c
25#define TX4938_PCI1_P2GM1PLBASE 0x7018
26#define TX4938_PCI1_P2GCFG 0x7090
27#define TX4938_PCI1_PBAREQPORT 0x7100
28#define TX4938_PCI1_PBACFG 0x7104
29#define TX4938_PCI1_G2PM0GBASE 0x7120
30#define TX4938_PCI1_G2PIOGBASE 0x7138
31#define TX4938_PCI1_G2PM0MASK 0x7140
32#define TX4938_PCI1_G2PIOMASK 0x714c
33#define TX4938_PCI1_G2PM0PBASE 0x7150
34#define TX4938_PCI1_G2PIOPBASE 0x7168
35#define TX4938_PCI1_PCICCFG 0x7170
36#define TX4938_PCI1_PCICSTATUS 0x7174
37#define TX4938_PCI1_P2GM1GBASE 0x7188
38#define TX4938_PCI1_G2PCFGADRS 0x71a0
39#define TX4938_PCI1_G2PCFGDATA 0x71a4
40
41/*
42 * Configuration Registers
43 */
44#define TX4938_CFG_CCFG 0xE000 /* Chip Configuration Register */
45#define TX4938_CFG_REVID 0xE008 /* Chip Revision ID Register */
46#define TX4938_CFG_PCFG 0xE010 /* Pin Configuration Register */
47#define TX4938_CFG_TOEA 0xE018 /* TimeOut Error Access Address Register */
48#define TX4938_CFG_CLKCTR 0xE020 /* Clock Control Register */
49#define TX4938_CFG_GARBC 0xE030 /* GBUS Arbiter Control Register */
50#define TX4938_CFG_RAMP 0xE048 /* Register Address Mapping Register */
51
52/* Pin Configuration register bits */
53#define SELCHI 0x00100000
54#define SELTMR0 0x00000200
55
56
57/*
58 * Timer Registers
59 */
60
61#define TX4938_TIMER0_BASE 0xF000
62#define TX4938_TIMER1_BASE 0xF100
63#define TX4938_TIMER2_BASE 0xF200
64
65#define TX4938_TIMER_TCR 0x00 /* Timer Control Register */
66#define TX4938_TIMER_TISR 0x04 /* Timer Interrupt Status Register */
67#define TX4938_TIMER_CPRA 0x08 /* Compare Register A */
68#define TX4938_TIMER_CPRB 0x0C /* Compare Register B */
69#define TX4938_TIMER_ITMR 0x10 /* Interval Timer Mode Register */
70#define TX4938_TIMER_CCDR 0x20 /* Divide Cycle Register */
71#define TX4938_TIMER_PGMR 0x30 /* Pulse Generator Mode Register */
72#define TX4938_TIMER_WTMR 0x40 /* Reserved Register */
73#define TX4938_TIMER_TRR 0xF0 /* Timer Read Register */
74
75/* ITMR register bits */
76#define TIMER_CLEAR_ENABLE_MASK 0x1
77#define TIMER_INT_ENABLE_MASK 0x8000
78
79/* PGMR register bits */
80#define FFI 0x1
81#define TPIAE 0x4000
82#define TPIBE 0x8000
83
84/* TISR register bits */
85#define TIIS 0x1
86#define TPIAS 0x2
87#define TPIBS 0x4
88#define TWIS 0x8
89
90
91/*
92 * Interrupt Controller Registers
93 */
94#define TX4938_IRQCTL_DEN 0xF600 /* Interrupt Detection Enable Register */
95#define TX4938_IRQCTL_DM0 0xF604 /* Interrupt Detection Mode Register 0 */
96#define TX4938_IRQCTL_DM1 0xF608 /* Interrupt Detection Mode Register 1 */
97#define TX4938_IRQCTL_LVL0 0xF610 /* Interrupt Level Register 0 */
98#define TX4938_IRQCTL_LVL1 0xF614 /* Interrupt Level Register 1 */
99#define TX4938_IRQCTL_LVL2 0xF618 /* Interrupt Level Register 2 */
100#define TX4938_IRQCTL_LVL3 0xF61C /* Interrupt Level Register 3 */
101#define TX4938_IRQCTL_LVL4 0xF620 /* Interrupt Level Register 4 */
102#define TX4938_IRQCTL_LVL5 0xF624 /* Interrupt Level Register 5 */
103#define TX4938_IRQCTL_LVL6 0xF628 /* Interrupt Level Register 6 */
104#define TX4938_IRQCTL_LVL7 0xF62C /* Interrupt Level Register 7 */
105#define TX4938_IRQCTL_MSK 0xF640 /* Interrupt Mask Register */
106#define TX4938_IRQCTL_EDC 0xF660 /* Interrupt Edge Detection Clear Register */
107#define TX4938_IRQCTL_PND 0xF680 /* Interrupt Pending Register */
108#define TX4938_IRQCTL_CS 0xF6A0 /* Interrupt Current Status Register */
109#define TX4938_IRQCTL_FLAG0 0xF510 /* Interrupt Request Flag Register 0 */
110#define TX4938_IRQCTL_FLAG1 0xF514 /* Interrupt Request Flag Register 1 */
111#define TX4938_IRQCTL_POL 0xF518 /* Interrupt Request Polarity Control Register */
112#define TX4938_IRQCTL_RCNT 0xF51C /* Interrupt Request Control Register */
113#define TX4938_IRQCTL_MASKINT 0xF520 /* Interrupt Request Internal Interrupt Mask Register */
114#define TX4938_IRQCTL_MASKEXT 0xF524 /* Interrupt Request External Interrupt Mask Register */
115
116#define TX4938_REG_READ( _base, _register ) \
117 *((volatile uint32_t *)((_base) + (_register)))
118
119#define TX4938_REG_WRITE( _base, _register, _value ) \
120 *((volatile uint32_t *)((_base) + (_register))) = (_value)
121
122/************************************************************************
123 * TX49 Register field encodings
124*************************************************************************/
125/******** reg: CCFG ********/
126/* field: PCIDIVMODE */
127#define TX4938_CCFG_SYSSP_SHF 6
128#define TX4938_CCFG_SYSSP_MSK (MSK(2) << TX4938_CCFG_SYSSP_SHF)
129
130/* field: PCI1DMD */
131#define TX4938_CCFG_PCI1DMD_SHF 8
132#define TX4938_CCFG_PCI1DMD_MSK (MSK(1) << TX4938_CCFG_PCI1DMD_SHF)
133
134/* field: PCIDIVMODE */
135#define TX4938_CCFG_PCIDIVMODE_SHF 10
136#define TX4938_CCFG_PCIDIVMODE_MSK (MSK(3) << TX4938_CCFG_PCIDIVMODE_SHF)
137
138/* field: PCI1-66 */
139#define TX4938_CCFG_PCI166_SHF 21
140#define TX4938_CCFG_PCI166_MSK ((UINT64)MSK(1) << TX4938_CCFG_PCI166_SHF)
141
142/* field: PCIMODE */
143#define TX4938_CCFG_PCIMODE_SHF 22
144#define TX4938_CCFG_PCIMODE_MSK ((UINT64)MSK(1) << TX4938_CCFG_PCIMODE_SHF)
145
146/* field: BRDTY */
147#define TX4938_CCFG_BRDTY_SHF 36
148#define TX4938_CCFG_RRDTY_MSK ((UINT64)MSK(4) << TX4938_CCFG_BRDTY_SHF)
149
150/* field: BRDRV */
151#define TX4938_CCFG_BRDRV_SHF 32
152#define TX4938_CCFG_BRDRV_MSK ((UINT64)MSK(4) << TX4938_CCFG_BRDRV_SHF)
153
154/******** reg: CLKCTR ********/
155/* field: PCIC1RST */
156#define TX4938_CLKCTR_PCIC1RST_SHF 11
157#define TX4938_CLKCTR_PCIC1RST_MSK (MSK(1) << TX4938_CLKCTR_PCIC1RST_SHF)
158
159/******** reg: PCISTATUS ********/
160/* field: MEMSP */
161#define TX4938_PCI_PCISTATUS_MEMSP_SHF 1
162#define TX4938_PCI_PCISTATUS_MEMSP_MSK (MSK(1) << TX4938_PCI_PCISTATUS_MEMSP_SHF)
163
164/* field: BM */
165#define TX4938_PCI_PCISTATUS_BM_SHF 2
166#define TX4938_PCI_PCISTATUS_BM_MSK (MSK(1) << TX4938_PCI_PCISTATUS_BM_SHF)
167
168/******** reg: PBACFG ********/
169/* field: RPBA */
170#define TX4938_PCI_PBACFG_RPBA_SHF 2
171#define TX4938_PCI_PBACFG_RPBA_MSK (MSK(1) << TX4938_PCI_PBACFG_RPBA_SHF)
172
173/* field: PBAEN */
174#define TX4938_PCI_PBACFG_PBAEN_SHF 1
175#define TX4938_PCI_PBACFG_PBAEN_MSK (MSK(1) << TX4938_PCI_PBACFG_PBAEN_SHF)
176
177/******** reg: PCICFG ********/
178/* field: G2PM0EN */
179#define TX4938_PCI_PCICFG_G2PM0EN_SHF 6
180#define TX4938_PCI_PCICFG_G2PM0EN_MSK (MSK(1) << TX4938_PCI_PCICFG_G2PM0EN_SHF)
181
182/* field: G2PIOEN */
183#define TX4938_PCI_PCICFG_G2PIOEN_SHF 5
184#define TX4938_PCI_PCICFG_G2PIOEN_MSK (MSK(1) << TX4938_PCI_PCICFG_G2PIOEN_SHF)
185
186/* field: TCAR */
187#define TX4938_PCI_PCICFG_TCAR_SHF 4
188#define TX4938_PCI_PCICFG_TCAR_MSK (MSK(1) << TX4938_PCI_PCICFG_TCAR_SHF)
189
190
191#endif
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