[linux-2.6-block.git] / include / asm-powerpc / mpc52xx_psc.h

/*
 * include/asm-ppc/mpc52xx_psc.h
 *
 * Definitions of consts/structs to drive the Freescale MPC52xx OnChip
 * PSCs. Theses are shared between multiple drivers since a PSC can be
 * UART, AC97, IR, I2S, ... So this header is in asm-ppc.
 *
 *
 * Maintainer : Sylvain Munaut <tnt@246tNt.com>
 *
 * Based/Extracted from some header of the 2.4 originally written by
 * Dale Farnsworth <dfarnsworth@mvista.com>
 *
 * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com>
 * Copyright (C) 2003 MontaVista, Software, Inc.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#ifndef __ASM_MPC52xx_PSC_H__
#define __ASM_MPC52xx_PSC_H__

#include <asm/types.h>

/* Max number of PSCs */
#define MPC52xx_PSC_MAXNUM	6

/* Programmable Serial Controller (PSC) status register bits */
#define MPC52xx_PSC_SR_CDE	0x0080
#define MPC52xx_PSC_SR_RXRDY	0x0100
#define MPC52xx_PSC_SR_RXFULL	0x0200
#define MPC52xx_PSC_SR_TXRDY	0x0400
#define MPC52xx_PSC_SR_TXEMP	0x0800
#define MPC52xx_PSC_SR_OE	0x1000
#define MPC52xx_PSC_SR_PE	0x2000
#define MPC52xx_PSC_SR_FE	0x4000
#define MPC52xx_PSC_SR_RB	0x8000

/* PSC Command values */
#define MPC52xx_PSC_RX_ENABLE		0x0001
#define MPC52xx_PSC_RX_DISABLE		0x0002
#define MPC52xx_PSC_TX_ENABLE		0x0004
#define MPC52xx_PSC_TX_DISABLE		0x0008
#define MPC52xx_PSC_SEL_MODE_REG_1	0x0010
#define MPC52xx_PSC_RST_RX		0x0020
#define MPC52xx_PSC_RST_TX		0x0030
#define MPC52xx_PSC_RST_ERR_STAT	0x0040
#define MPC52xx_PSC_RST_BRK_CHG_INT	0x0050
#define MPC52xx_PSC_START_BRK		0x0060
#define MPC52xx_PSC_STOP_BRK		0x0070

/* PSC TxRx FIFO status bits */
#define MPC52xx_PSC_RXTX_FIFO_ERR	0x0040
#define MPC52xx_PSC_RXTX_FIFO_UF	0x0020
#define MPC52xx_PSC_RXTX_FIFO_OF	0x0010
#define MPC52xx_PSC_RXTX_FIFO_FR	0x0008
#define MPC52xx_PSC_RXTX_FIFO_FULL	0x0004
#define MPC52xx_PSC_RXTX_FIFO_ALARM	0x0002
#define MPC52xx_PSC_RXTX_FIFO_EMPTY	0x0001

/* PSC interrupt mask bits */
#define MPC52xx_PSC_IMR_TXRDY		0x0100
#define MPC52xx_PSC_IMR_RXRDY		0x0200
#define MPC52xx_PSC_IMR_DB		0x0400
#define MPC52xx_PSC_IMR_IPC		0x8000

/* PSC input port change bit */
#define MPC52xx_PSC_CTS			0x01
#define MPC52xx_PSC_DCD			0x02
#define MPC52xx_PSC_D_CTS		0x10
#define MPC52xx_PSC_D_DCD		0x20

/* PSC mode fields */
#define MPC52xx_PSC_MODE_5_BITS			0x00
#define MPC52xx_PSC_MODE_6_BITS			0x01
#define MPC52xx_PSC_MODE_7_BITS			0x02
#define MPC52xx_PSC_MODE_8_BITS			0x03
#define MPC52xx_PSC_MODE_BITS_MASK		0x03
#define MPC52xx_PSC_MODE_PAREVEN		0x00
#define MPC52xx_PSC_MODE_PARODD			0x04
#define MPC52xx_PSC_MODE_PARFORCE		0x08
#define MPC52xx_PSC_MODE_PARNONE		0x10
#define MPC52xx_PSC_MODE_ERR			0x20
#define MPC52xx_PSC_MODE_FFULL			0x40
#define MPC52xx_PSC_MODE_RXRTS			0x80

#define MPC52xx_PSC_MODE_ONE_STOP_5_BITS	0x00
#define MPC52xx_PSC_MODE_ONE_STOP		0x07
#define MPC52xx_PSC_MODE_TWO_STOP		0x0f

#define MPC52xx_PSC_RFNUM_MASK	0x01ff


/* Structure of the hardware registers */
struct mpc52xx_psc {
	u8		mode;		/* PSC + 0x00 */
	u8		reserved0[3];
	union {				/* PSC + 0x04 */
		u16	status;
		u16	clock_select;
	} sr_csr;
#define mpc52xx_psc_status	sr_csr.status
#define mpc52xx_psc_clock_select sr_csr.clock_select
	u16		reserved1;
	u8		command;	/* PSC + 0x08 */
	u8		reserved2[3];
	union {				/* PSC + 0x0c */
		u8	buffer_8;
		u16	buffer_16;
		u32	buffer_32;
	} buffer;
#define mpc52xx_psc_buffer_8	buffer.buffer_8
#define mpc52xx_psc_buffer_16	buffer.buffer_16
#define mpc52xx_psc_buffer_32	buffer.buffer_32
	union {				/* PSC + 0x10 */
		u8	ipcr;
		u8	acr;
	} ipcr_acr;
#define mpc52xx_psc_ipcr	ipcr_acr.ipcr
#define mpc52xx_psc_acr		ipcr_acr.acr
	u8		reserved3[3];
	union {				/* PSC + 0x14 */
		u16	isr;
		u16	imr;
	} isr_imr;
#define mpc52xx_psc_isr		isr_imr.isr
#define mpc52xx_psc_imr		isr_imr.imr
	u16		reserved4;
	u8		ctur;		/* PSC + 0x18 */
	u8		reserved5[3];
	u8		ctlr;		/* PSC + 0x1c */
	u8		reserved6[3];
	u16		ccr;		/* PSC + 0x20 */
	u8		reserved7[14];
	u8		ivr;		/* PSC + 0x30 */
	u8		reserved8[3];
	u8		ip;		/* PSC + 0x34 */
	u8		reserved9[3];
	u8		op1;		/* PSC + 0x38 */
	u8		reserved10[3];
	u8		op0;		/* PSC + 0x3c */
	u8		reserved11[3];
	u32		sicr;		/* PSC + 0x40 */
	u8		ircr1;		/* PSC + 0x44 */
	u8		reserved13[3];
	u8		ircr2;		/* PSC + 0x44 */
	u8		reserved14[3];
	u8		irsdr;		/* PSC + 0x4c */
	u8		reserved15[3];
	u8		irmdr;		/* PSC + 0x50 */
	u8		reserved16[3];
	u8		irfdr;		/* PSC + 0x54 */
	u8		reserved17[3];
};

struct mpc52xx_psc_fifo {
	u16		rfnum;		/* PSC + 0x58 */
	u16		reserved18;
	u16		tfnum;		/* PSC + 0x5c */
	u16		reserved19;
	u32		rfdata;		/* PSC + 0x60 */
	u16		rfstat;		/* PSC + 0x64 */
	u16		reserved20;
	u8		rfcntl;		/* PSC + 0x68 */
	u8		reserved21[5];
	u16		rfalarm;	/* PSC + 0x6e */
	u16		reserved22;
	u16		rfrptr;		/* PSC + 0x72 */
	u16		reserved23;
	u16		rfwptr;		/* PSC + 0x76 */
	u16		reserved24;
	u16		rflrfptr;	/* PSC + 0x7a */
	u16		reserved25;
	u16		rflwfptr;	/* PSC + 0x7e */
	u32		tfdata;		/* PSC + 0x80 */
	u16		tfstat;		/* PSC + 0x84 */
	u16		reserved26;
	u8		tfcntl;		/* PSC + 0x88 */
	u8		reserved27[5];
	u16		tfalarm;	/* PSC + 0x8e */
	u16		reserved28;
	u16		tfrptr;		/* PSC + 0x92 */
	u16		reserved29;
	u16		tfwptr;		/* PSC + 0x96 */
	u16		reserved30;
	u16		tflrfptr;	/* PSC + 0x9a */
	u16		reserved31;
	u16		tflwfptr;	/* PSC + 0x9e */
};

#define MPC512x_PSC_FIFO_RESET_SLICE	0x80
#define MPC512x_PSC_FIFO_ENABLE_SLICE	0x01
#define MPC512x_PSC_FIFO_ENABLE_DMA	0x04

#define MPC512x_PSC_FIFO_EMPTY		0x1
#define MPC512x_PSC_FIFO_FULL		0x2
#define MPC512x_PSC_FIFO_ALARM		0x4
#define MPC512x_PSC_FIFO_URERR		0x8
#define MPC512x_PSC_FIFO_ORERR		0x01
#define MPC512x_PSC_FIFO_MEMERROR	0x02

struct mpc512x_psc_fifo {
	u32		reserved1[10];
	u32		txcmd;		/* PSC + 0x80 */
	u32		txalarm;	/* PSC + 0x84 */
	u32		txsr;		/* PSC + 0x88 */
	u32		txisr;		/* PSC + 0x8c */
	u32		tximr;		/* PSC + 0x90 */
	u32		txcnt;		/* PSC + 0x94 */
	u32		txptr;		/* PSC + 0x98 */
	u32		txsz;		/* PSC + 0x9c */
	u32		reserved2[7];
	union {
		u8	txdata_8;
		u16	txdata_16;
		u32	txdata_32;
	} txdata; 			/* PSC + 0xbc */
#define txdata_8 txdata.txdata_8
#define txdata_16 txdata.txdata_16
#define txdata_32 txdata.txdata_32
	u32		rxcmd;		/* PSC + 0xc0 */
	u32		rxalarm;	/* PSC + 0xc4 */
	u32		rxsr;		/* PSC + 0xc8 */
	u32		rxisr;		/* PSC + 0xcc */
	u32		rximr;		/* PSC + 0xd0 */
	u32		rxcnt;		/* PSC + 0xd4 */
	u32		rxptr;		/* PSC + 0xd8 */
	u32		rxsz;		/* PSC + 0xdc */
	u32		reserved3[7];
	union {
		u8	rxdata_8;
		u16	rxdata_16;
		u32	rxdata_32;
	} rxdata; 			/* PSC + 0xfc */
#define rxdata_8 rxdata.rxdata_8
#define rxdata_16 rxdata.rxdata_16
#define rxdata_32 rxdata.rxdata_32
};

#endif  /* __ASM_MPC52xx_PSC_H__ */
Commit	Line	Data
33d71d26 KG	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
	63	/* PSC interrupt mask bits */
	64	#define MPC52xx_PSC_IMR_TXRDY 0x0100
65	#define MPC52xx_PSC_IMR_RXRDY 0x0200
66	#define MPC52xx_PSC_IMR_DB 0x0400
67	#define MPC52xx_PSC_IMR_IPC 0x8000
68
69	/* PSC input port change bit */
70	#define MPC52xx_PSC_CTS 0x01
71	#define MPC52xx_PSC_DCD 0x02
72	#define MPC52xx_PSC_D_CTS 0x10
73	#define MPC52xx_PSC_D_DCD 0x20
74
75	/* PSC mode fields */
76	#define MPC52xx_PSC_MODE_5_BITS 0x00
77	#define MPC52xx_PSC_MODE_6_BITS 0x01
78	#define MPC52xx_PSC_MODE_7_BITS 0x02
79	#define MPC52xx_PSC_MODE_8_BITS 0x03
80	#define MPC52xx_PSC_MODE_BITS_MASK 0x03
81	#define MPC52xx_PSC_MODE_PAREVEN 0x00
82	#define MPC52xx_PSC_MODE_PARODD 0x04
83	#define MPC52xx_PSC_MODE_PARFORCE 0x08
84	#define MPC52xx_PSC_MODE_PARNONE 0x10
85	#define MPC52xx_PSC_MODE_ERR 0x20
86	#define MPC52xx_PSC_MODE_FFULL 0x40
87	#define MPC52xx_PSC_MODE_RXRTS 0x80
88
89	#define MPC52xx_PSC_MODE_ONE_STOP_5_BITS 0x00
90	#define MPC52xx_PSC_MODE_ONE_STOP 0x07
91	#define MPC52xx_PSC_MODE_TWO_STOP 0x0f
92
93	#define MPC52xx_PSC_RFNUM_MASK 0x01ff
94
95
96	/* Structure of the hardware registers */
97	struct mpc52xx_psc {
98	u8 mode; /* PSC + 0x00 */
99	u8 reserved0[3];
100	union { /* PSC + 0x04 */
101	u16 status;
102	u16 clock_select;
103	} sr_csr;
104	#define mpc52xx_psc_status sr_csr.status
105	#define mpc52xx_psc_clock_select sr_csr.clock_select
106	u16 reserved1;
107	u8 command; /* PSC + 0x08 */
108	u8 reserved2[3];
109	union { /* PSC + 0x0c */
110	u8 buffer_8;
111	u16 buffer_16;
112	u32 buffer_32;
113	} buffer;
114	#define mpc52xx_psc_buffer_8 buffer.buffer_8
115	#define mpc52xx_psc_buffer_16 buffer.buffer_16
116	#define mpc52xx_psc_buffer_32 buffer.buffer_32
117	union { /* PSC + 0x10 */
118	u8 ipcr;
119	u8 acr;
120	} ipcr_acr;
121	#define mpc52xx_psc_ipcr ipcr_acr.ipcr
122	#define mpc52xx_psc_acr ipcr_acr.acr
123	u8 reserved3[3];
124	union { /* PSC + 0x14 */
125	u16 isr;
126	u16 imr;
127	} isr_imr;
128	#define mpc52xx_psc_isr isr_imr.isr
129	#define mpc52xx_psc_imr isr_imr.imr
130	u16 reserved4;
131	u8 ctur; /* PSC + 0x18 */
132	u8 reserved5[3];
133	u8 ctlr; /* PSC + 0x1c */
134	u8 reserved6[3];
135	u16 ccr; /* PSC + 0x20 */
136	u8 reserved7[14];
137	u8 ivr; /* PSC + 0x30 */
138	u8 reserved8[3];
139	u8 ip; /* PSC + 0x34 */
140	u8 reserved9[3];
141	u8 op1; /* PSC + 0x38 */
142	u8 reserved10[3];
143	u8 op0; /* PSC + 0x3c */
144	u8 reserved11[3];
145	u32 sicr; /* PSC + 0x40 */
146	u8 ircr1; /* PSC + 0x44 */
147	u8 reserved13[3];
148	u8 ircr2; /* PSC + 0x44 */
149	u8 reserved14[3];
150	u8 irsdr; /* PSC + 0x4c */
151	u8 reserved15[3];
152	u8 irmdr; /* PSC + 0x50 */
153	u8 reserved16[3];
154	u8 irfdr; /* PSC + 0x54 */
155	u8 reserved17[3];
94f38948 JR	156	};
	157
	158	struct mpc52xx_psc_fifo {
33d71d26 KG	159	u16 rfnum; /* PSC + 0x58 */
	160	u16 reserved18;
	161	u16 tfnum; /* PSC + 0x5c */
	162	u16 reserved19;
	163	u32 rfdata; /* PSC + 0x60 */
	164	u16 rfstat; /* PSC + 0x64 */
	165	u16 reserved20;
	166	u8 rfcntl; /* PSC + 0x68 */
	167	u8 reserved21[5];
	168	u16 rfalarm; /* PSC + 0x6e */
	169	u16 reserved22;
	170	u16 rfrptr; /* PSC + 0x72 */
	171	u16 reserved23;
	172	u16 rfwptr; /* PSC + 0x76 */
	173	u16 reserved24;
	174	u16 rflrfptr; /* PSC + 0x7a */
	175	u16 reserved25;
	176	u16 rflwfptr; /* PSC + 0x7e */
	177	u32 tfdata; /* PSC + 0x80 */
	178	u16 tfstat; /* PSC + 0x84 */
	179	u16 reserved26;
	180	u8 tfcntl; /* PSC + 0x88 */
	181	u8 reserved27[5];
	182	u16 tfalarm; /* PSC + 0x8e */
	183	u16 reserved28;
	184	u16 tfrptr; /* PSC + 0x92 */
	185	u16 reserved29;
	186	u16 tfwptr; /* PSC + 0x96 */
	187	u16 reserved30;
	188	u16 tflrfptr; /* PSC + 0x9a */
	189	u16 reserved31;
	190	u16 tflwfptr; /* PSC + 0x9e */
	191	};
	192
25ae3a07 JR	193	#define MPC512x_PSC_FIFO_RESET_SLICE 0x80
	194	#define MPC512x_PSC_FIFO_ENABLE_SLICE 0x01
	195	#define MPC512x_PSC_FIFO_ENABLE_DMA 0x04
	196
	197	#define MPC512x_PSC_FIFO_EMPTY 0x1
	198	#define MPC512x_PSC_FIFO_FULL 0x2
	199	#define MPC512x_PSC_FIFO_ALARM 0x4
	200	#define MPC512x_PSC_FIFO_URERR 0x8
	201	#define MPC512x_PSC_FIFO_ORERR 0x01
	202	#define MPC512x_PSC_FIFO_MEMERROR 0x02
	203
	204	struct mpc512x_psc_fifo {
	205	u32 reserved1[10];
	206	u32 txcmd; /* PSC + 0x80 */
	207	u32 txalarm; /* PSC + 0x84 */
	208	u32 txsr; /* PSC + 0x88 */
	209	u32 txisr; /* PSC + 0x8c */
	210	u32 tximr; /* PSC + 0x90 */
	211	u32 txcnt; /* PSC + 0x94 */
	212	u32 txptr; /* PSC + 0x98 */
	213	u32 txsz; /* PSC + 0x9c */
	214	u32 reserved2[7];
	215	union {
	216	u8 txdata_8;
	217	u16 txdata_16;
	218	u32 txdata_32;
	219	} txdata; /* PSC + 0xbc */
	220	#define txdata_8 txdata.txdata_8
	221	#define txdata_16 txdata.txdata_16
	222	#define txdata_32 txdata.txdata_32
	223	u32 rxcmd; /* PSC + 0xc0 */
	224	u32 rxalarm; /* PSC + 0xc4 */
	225	u32 rxsr; /* PSC + 0xc8 */
	226	u32 rxisr; /* PSC + 0xcc */
	227	u32 rximr; /* PSC + 0xd0 */
	228	u32 rxcnt; /* PSC + 0xd4 */
	229	u32 rxptr; /* PSC + 0xd8 */
	230	u32 rxsz; /* PSC + 0xdc */
	231	u32 reserved3[7];
	232	union {
	233	u8 rxdata_8;
	234	u16 rxdata_16;
	235	u32 rxdata_32;
	236	} rxdata; /* PSC + 0xfc */
	237	#define rxdata_8 rxdata.rxdata_8
	238	#define rxdata_16 rxdata.rxdata_16
	239	#define rxdata_32 rxdata.rxdata_32
	240	};
33d71d26 KG	241
33d71d26 KG	242	#endif /* __ASM_MPC52xx_PSC_H__ */