sh: Initial ELF FDPIC support.
[deliverable/linux.git] / include / asm-powerpc / mpc52xx_psc.h
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1/*
2 * include/asm-ppc/mpc52xx_psc.h
3 *
4 * Definitions of consts/structs to drive the Freescale MPC52xx OnChip
5 * PSCs. Theses are shared between multiple drivers since a PSC can be
6 * UART, AC97, IR, I2S, ... So this header is in asm-ppc.
7 *
8 *
9 * Maintainer : Sylvain Munaut <tnt@246tNt.com>
10 *
11 * Based/Extracted from some header of the 2.4 originally written by
12 * Dale Farnsworth <dfarnsworth@mvista.com>
13 *
14 * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com>
15 * Copyright (C) 2003 MontaVista, Software, Inc.
16 *
17 * This file is licensed under the terms of the GNU General Public License
18 * version 2. This program is licensed "as is" without any warranty of any
19 * kind, whether express or implied.
20 */
21
22#ifndef __ASM_MPC52xx_PSC_H__
23#define __ASM_MPC52xx_PSC_H__
24
25#include <asm/types.h>
26
27/* Max number of PSCs */
28#define MPC52xx_PSC_MAXNUM 6
29
30/* Programmable Serial Controller (PSC) status register bits */
31#define MPC52xx_PSC_SR_CDE 0x0080
32#define MPC52xx_PSC_SR_RXRDY 0x0100
33#define MPC52xx_PSC_SR_RXFULL 0x0200
34#define MPC52xx_PSC_SR_TXRDY 0x0400
35#define MPC52xx_PSC_SR_TXEMP 0x0800
36#define MPC52xx_PSC_SR_OE 0x1000
37#define MPC52xx_PSC_SR_PE 0x2000
38#define MPC52xx_PSC_SR_FE 0x4000
39#define MPC52xx_PSC_SR_RB 0x8000
40
41/* PSC Command values */
42#define MPC52xx_PSC_RX_ENABLE 0x0001
43#define MPC52xx_PSC_RX_DISABLE 0x0002
44#define MPC52xx_PSC_TX_ENABLE 0x0004
45#define MPC52xx_PSC_TX_DISABLE 0x0008
46#define MPC52xx_PSC_SEL_MODE_REG_1 0x0010
47#define MPC52xx_PSC_RST_RX 0x0020
48#define MPC52xx_PSC_RST_TX 0x0030
49#define MPC52xx_PSC_RST_ERR_STAT 0x0040
50#define MPC52xx_PSC_RST_BRK_CHG_INT 0x0050
51#define MPC52xx_PSC_START_BRK 0x0060
52#define MPC52xx_PSC_STOP_BRK 0x0070
53
54/* PSC TxRx FIFO status bits */
55#define MPC52xx_PSC_RXTX_FIFO_ERR 0x0040
56#define MPC52xx_PSC_RXTX_FIFO_UF 0x0020
57#define MPC52xx_PSC_RXTX_FIFO_OF 0x0010
58#define MPC52xx_PSC_RXTX_FIFO_FR 0x0008
59#define MPC52xx_PSC_RXTX_FIFO_FULL 0x0004
60#define MPC52xx_PSC_RXTX_FIFO_ALARM 0x0002
61#define MPC52xx_PSC_RXTX_FIFO_EMPTY 0x0001
62
a19dd1bd 63/* PSC interrupt status/mask bits */
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64#define MPC52xx_PSC_IMR_TXRDY 0x0100
65#define MPC52xx_PSC_IMR_RXRDY 0x0200
66#define MPC52xx_PSC_IMR_DB 0x0400
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67#define MPC52xx_PSC_IMR_TXEMP 0x0800
68#define MPC52xx_PSC_IMR_ORERR 0x1000
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69#define MPC52xx_PSC_IMR_IPC 0x8000
70
71/* PSC input port change bit */
72#define MPC52xx_PSC_CTS 0x01
73#define MPC52xx_PSC_DCD 0x02
74#define MPC52xx_PSC_D_CTS 0x10
75#define MPC52xx_PSC_D_DCD 0x20
76
77/* PSC mode fields */
78#define MPC52xx_PSC_MODE_5_BITS 0x00
79#define MPC52xx_PSC_MODE_6_BITS 0x01
80#define MPC52xx_PSC_MODE_7_BITS 0x02
81#define MPC52xx_PSC_MODE_8_BITS 0x03
82#define MPC52xx_PSC_MODE_BITS_MASK 0x03
83#define MPC52xx_PSC_MODE_PAREVEN 0x00
84#define MPC52xx_PSC_MODE_PARODD 0x04
85#define MPC52xx_PSC_MODE_PARFORCE 0x08
86#define MPC52xx_PSC_MODE_PARNONE 0x10
87#define MPC52xx_PSC_MODE_ERR 0x20
88#define MPC52xx_PSC_MODE_FFULL 0x40
89#define MPC52xx_PSC_MODE_RXRTS 0x80
90
91#define MPC52xx_PSC_MODE_ONE_STOP_5_BITS 0x00
92#define MPC52xx_PSC_MODE_ONE_STOP 0x07
93#define MPC52xx_PSC_MODE_TWO_STOP 0x0f
94
95#define MPC52xx_PSC_RFNUM_MASK 0x01ff
96
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97#define MPC52xx_PSC_SICR_DTS1 (1 << 29)
98#define MPC52xx_PSC_SICR_SHDR (1 << 28)
99#define MPC52xx_PSC_SICR_SIM_MASK (0xf << 24)
100#define MPC52xx_PSC_SICR_SIM_UART (0x0 << 24)
101#define MPC52xx_PSC_SICR_SIM_UART_DCD (0x8 << 24)
102#define MPC52xx_PSC_SICR_SIM_CODEC_8 (0x1 << 24)
103#define MPC52xx_PSC_SICR_SIM_CODEC_16 (0x2 << 24)
104#define MPC52xx_PSC_SICR_SIM_AC97 (0x3 << 24)
105#define MPC52xx_PSC_SICR_SIM_SIR (0x8 << 24)
106#define MPC52xx_PSC_SICR_SIM_SIR_DCD (0xc << 24)
107#define MPC52xx_PSC_SICR_SIM_MIR (0x5 << 24)
108#define MPC52xx_PSC_SICR_SIM_FIR (0x6 << 24)
109#define MPC52xx_PSC_SICR_SIM_CODEC_24 (0x7 << 24)
110#define MPC52xx_PSC_SICR_SIM_CODEC_32 (0xf << 24)
111#define MPC52xx_PSC_SICR_GENCLK (1 << 23)
112#define MPC52xx_PSC_SICR_I2S (1 << 22)
113#define MPC52xx_PSC_SICR_CLKPOL (1 << 21)
114#define MPC52xx_PSC_SICR_SYNCPOL (1 << 20)
115#define MPC52xx_PSC_SICR_CELLSLAVE (1 << 19)
116#define MPC52xx_PSC_SICR_CELL2XCLK (1 << 18)
117#define MPC52xx_PSC_SICR_ESAI (1 << 17)
118#define MPC52xx_PSC_SICR_ENAC97 (1 << 16)
119#define MPC52xx_PSC_SICR_SPI (1 << 15)
120#define MPC52xx_PSC_SICR_MSTR (1 << 14)
121#define MPC52xx_PSC_SICR_CPOL (1 << 13)
122#define MPC52xx_PSC_SICR_CPHA (1 << 12)
123#define MPC52xx_PSC_SICR_USEEOF (1 << 11)
124#define MPC52xx_PSC_SICR_DISABLEEOF (1 << 10)
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125
126/* Structure of the hardware registers */
127struct mpc52xx_psc {
128 u8 mode; /* PSC + 0x00 */
129 u8 reserved0[3];
130 union { /* PSC + 0x04 */
131 u16 status;
132 u16 clock_select;
133 } sr_csr;
134#define mpc52xx_psc_status sr_csr.status
135#define mpc52xx_psc_clock_select sr_csr.clock_select
136 u16 reserved1;
137 u8 command; /* PSC + 0x08 */
138 u8 reserved2[3];
139 union { /* PSC + 0x0c */
140 u8 buffer_8;
141 u16 buffer_16;
142 u32 buffer_32;
143 } buffer;
144#define mpc52xx_psc_buffer_8 buffer.buffer_8
145#define mpc52xx_psc_buffer_16 buffer.buffer_16
146#define mpc52xx_psc_buffer_32 buffer.buffer_32
147 union { /* PSC + 0x10 */
148 u8 ipcr;
149 u8 acr;
150 } ipcr_acr;
151#define mpc52xx_psc_ipcr ipcr_acr.ipcr
152#define mpc52xx_psc_acr ipcr_acr.acr
153 u8 reserved3[3];
154 union { /* PSC + 0x14 */
155 u16 isr;
156 u16 imr;
157 } isr_imr;
158#define mpc52xx_psc_isr isr_imr.isr
159#define mpc52xx_psc_imr isr_imr.imr
160 u16 reserved4;
161 u8 ctur; /* PSC + 0x18 */
162 u8 reserved5[3];
163 u8 ctlr; /* PSC + 0x1c */
164 u8 reserved6[3];
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165 /* BitClkDiv field of CCR is byte swapped in
166 * the hardware for mpc5200/b compatibility */
167 u32 ccr; /* PSC + 0x20 */
168 u32 ac97_slots; /* PSC + 0x24 */
169 u32 ac97_cmd; /* PSC + 0x28 */
170 u32 ac97_data; /* PSC + 0x2c */
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171 u8 ivr; /* PSC + 0x30 */
172 u8 reserved8[3];
173 u8 ip; /* PSC + 0x34 */
174 u8 reserved9[3];
175 u8 op1; /* PSC + 0x38 */
176 u8 reserved10[3];
177 u8 op0; /* PSC + 0x3c */
178 u8 reserved11[3];
179 u32 sicr; /* PSC + 0x40 */
180 u8 ircr1; /* PSC + 0x44 */
181 u8 reserved13[3];
182 u8 ircr2; /* PSC + 0x44 */
183 u8 reserved14[3];
184 u8 irsdr; /* PSC + 0x4c */
185 u8 reserved15[3];
186 u8 irmdr; /* PSC + 0x50 */
187 u8 reserved16[3];
188 u8 irfdr; /* PSC + 0x54 */
189 u8 reserved17[3];
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190};
191
192struct mpc52xx_psc_fifo {
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193 u16 rfnum; /* PSC + 0x58 */
194 u16 reserved18;
195 u16 tfnum; /* PSC + 0x5c */
196 u16 reserved19;
197 u32 rfdata; /* PSC + 0x60 */
198 u16 rfstat; /* PSC + 0x64 */
199 u16 reserved20;
200 u8 rfcntl; /* PSC + 0x68 */
201 u8 reserved21[5];
202 u16 rfalarm; /* PSC + 0x6e */
203 u16 reserved22;
204 u16 rfrptr; /* PSC + 0x72 */
205 u16 reserved23;
206 u16 rfwptr; /* PSC + 0x76 */
207 u16 reserved24;
208 u16 rflrfptr; /* PSC + 0x7a */
209 u16 reserved25;
210 u16 rflwfptr; /* PSC + 0x7e */
211 u32 tfdata; /* PSC + 0x80 */
212 u16 tfstat; /* PSC + 0x84 */
213 u16 reserved26;
214 u8 tfcntl; /* PSC + 0x88 */
215 u8 reserved27[5];
216 u16 tfalarm; /* PSC + 0x8e */
217 u16 reserved28;
218 u16 tfrptr; /* PSC + 0x92 */
219 u16 reserved29;
220 u16 tfwptr; /* PSC + 0x96 */
221 u16 reserved30;
222 u16 tflrfptr; /* PSC + 0x9a */
223 u16 reserved31;
224 u16 tflwfptr; /* PSC + 0x9e */
225};
226
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227#define MPC512x_PSC_FIFO_RESET_SLICE 0x80
228#define MPC512x_PSC_FIFO_ENABLE_SLICE 0x01
229#define MPC512x_PSC_FIFO_ENABLE_DMA 0x04
230
231#define MPC512x_PSC_FIFO_EMPTY 0x1
232#define MPC512x_PSC_FIFO_FULL 0x2
233#define MPC512x_PSC_FIFO_ALARM 0x4
234#define MPC512x_PSC_FIFO_URERR 0x8
235#define MPC512x_PSC_FIFO_ORERR 0x01
236#define MPC512x_PSC_FIFO_MEMERROR 0x02
237
238struct mpc512x_psc_fifo {
239 u32 reserved1[10];
240 u32 txcmd; /* PSC + 0x80 */
241 u32 txalarm; /* PSC + 0x84 */
242 u32 txsr; /* PSC + 0x88 */
243 u32 txisr; /* PSC + 0x8c */
244 u32 tximr; /* PSC + 0x90 */
245 u32 txcnt; /* PSC + 0x94 */
246 u32 txptr; /* PSC + 0x98 */
247 u32 txsz; /* PSC + 0x9c */
248 u32 reserved2[7];
249 union {
250 u8 txdata_8;
251 u16 txdata_16;
252 u32 txdata_32;
253 } txdata; /* PSC + 0xbc */
254#define txdata_8 txdata.txdata_8
255#define txdata_16 txdata.txdata_16
256#define txdata_32 txdata.txdata_32
257 u32 rxcmd; /* PSC + 0xc0 */
258 u32 rxalarm; /* PSC + 0xc4 */
259 u32 rxsr; /* PSC + 0xc8 */
260 u32 rxisr; /* PSC + 0xcc */
261 u32 rximr; /* PSC + 0xd0 */
262 u32 rxcnt; /* PSC + 0xd4 */
263 u32 rxptr; /* PSC + 0xd8 */
264 u32 rxsz; /* PSC + 0xdc */
265 u32 reserved3[7];
266 union {
267 u8 rxdata_8;
268 u16 rxdata_16;
269 u32 rxdata_32;
270 } rxdata; /* PSC + 0xfc */
271#define rxdata_8 rxdata.rxdata_8
272#define rxdata_16 rxdata.rxdata_16
273#define rxdata_32 rxdata.rxdata_32
274};
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275
276#endif /* __ASM_MPC52xx_PSC_H__ */
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