aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/txx9/tx4938.h
blob: 0b068154054cb897c628651b74b7d58c84b0e31a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
/*
 * Definitions for TX4937/TX4938
 * Copyright (C) 2000-2001 Toshiba Corporation
 *
 * 2003-2005 (c) 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.
 *
 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
 */
#ifndef __ASM_TXX9_TX4938_H
#define __ASM_TXX9_TX4938_H

/* some controllers are compatible with 4927 */
#include <asm/txx9/tx4927.h>

#ifdef CONFIG_64BIT
#define TX4938_REG_BASE	0xffffffffff1f0000UL /* == TX4937_REG_BASE */
#else
#define TX4938_REG_BASE	0xff1f0000UL /* == TX4937_REG_BASE */
#endif
#define TX4938_REG_SIZE	0x00010000 /* == TX4937_REG_SIZE */

/* NDFMC, SRAMC, PCIC1, SPIC: TX4938 only */
#define TX4938_NDFMC_REG	(TX4938_REG_BASE + 0x5000)
#define TX4938_SRAMC_REG	(TX4938_REG_BASE + 0x6000)
#define TX4938_PCIC1_REG	(TX4938_REG_BASE + 0x7000)
#define TX4938_SDRAMC_REG	(TX4938_REG_BASE + 0x8000)
#define TX4938_EBUSC_REG	(TX4938_REG_BASE + 0x9000)
#define TX4938_DMA_REG(ch)	(TX4938_REG_BASE + 0xb000 + (ch) * 0x800)
#define TX4938_PCIC_REG		(TX4938_REG_BASE + 0xd000)
#define TX4938_CCFG_REG		(TX4938_REG_BASE + 0xe000)
#define TX4938_NR_TMR	3
#define TX4938_TMR_REG(ch)	((TX4938_REG_BASE + 0xf000) + (ch) * 0x100)
#define TX4938_NR_SIO	2
#define TX4938_SIO_REG(ch)	((TX4938_REG_BASE + 0xf300) + (ch) * 0x100)
#define TX4938_PIO_REG		(TX4938_REG_BASE + 0xf500)
#define TX4938_IRC_REG		(TX4938_REG_BASE + 0xf600)
#define TX4938_ACLC_REG		(TX4938_REG_BASE + 0xf700)
#define TX4938_SPI_REG		(TX4938_REG_BASE + 0xf800)

struct tx4938_sramc_reg {
	u64 cr;
};

struct tx4938_ccfg_reg {
	u64 ccfg;
	u64 crir;
	u64 pcfg;
	u64 toea;
	u64 clkctr;
	u64 unused0;
	u64 garbc;
	u64 unused1;
	u64 unused2;
	u64 ramp;
	u64 unused3;
	u64 jmpadr;
};

/*
 * IRC
 */

#define TX4938_IR_ECCERR	0
#define TX4938_IR_WTOERR	1
#define TX4938_NUM_IR_INT	6
#define TX4938_IR_INT(n)	(2 + (n))
#define TX4938_NUM_IR_SIO	2
#define TX4938_IR_SIO(n)	(8 + (n))
#define TX4938_NUM_IR_DMA	4
#define TX4938_IR_DMA(ch, n)	((ch ? 27 : 10) + (n)) /* 10-13, 27-30 */
#define TX4938_IR_PIO	14
#define TX4938_IR_PDMAC	15
#define TX4938_IR_PCIC	16
#define TX4938_NUM_IR_TMR	3
#define TX4938_IR_TMR(n)	(17 + (n))
#define TX4938_IR_NDFMC	21
#define TX4938_IR_PCIERR	22
#define TX4938_IR_PCIPME	23
#define TX4938_IR_ACLC	24
#define TX4938_IR_ACLCPME	25
#define TX4938_IR_PCIC1	26
#define TX4938_IR_SPI	31
#define TX4938_NUM_IR	32
/* multiplex */
#define TX4938_IR_ETH0	TX4938_IR_INT(4)
#define TX4938_IR_ETH1	TX4938_IR_INT(3)

#define TX4938_IRC_INT	2	/* IP[2] in Status register */

#define TX4938_NUM_PIO	16

/*
 * CCFG
 */
/* CCFG : Chip Configuration */
#define TX4938_CCFG_WDRST	0x0000020000000000ULL
#define TX4938_CCFG_WDREXEN	0x0000010000000000ULL
#define TX4938_CCFG_BCFG_MASK	0x000000ff00000000ULL
#define TX4938_CCFG_TINTDIS	0x01000000
#define TX4938_CCFG_PCI66	0x00800000
#define TX4938_CCFG_PCIMODE	0x00400000
#define TX4938_CCFG_PCI1_66	0x00200000
#define TX4938_CCFG_DIVMODE_MASK	0x001e0000
#define TX4938_CCFG_DIVMODE_2	(0x4 << 17)
#define TX4938_CCFG_DIVMODE_2_5	(0xf << 17)
#define TX4938_CCFG_DIVMODE_3	(0x5 << 17)
#define TX4938_CCFG_DIVMODE_4	(0x6 << 17)
#define TX4938_CCFG_DIVMODE_4_5	(0xd << 17)
#define TX4938_CCFG_DIVMODE_8	(0x0 << 17)
#define TX4938_CCFG_DIVMODE_10	(0xb << 17)
#define TX4938_CCFG_DIVMODE_12	(0x1 << 17)
#define TX4938_CCFG_DIVMODE_16	(0x2 << 17)
#define TX4938_CCFG_DIVMODE_18	(0x9 << 17)
#define TX4938_CCFG_BEOW	0x00010000
#define TX4938_CCFG_WR	0x00008000
#define TX4938_CCFG_TOE	0x00004000
#define TX4938_CCFG_PCIARB	0x00002000
#define TX4938_CCFG_PCIDIVMODE_MASK	0x00001c00
#define TX4938_CCFG_PCIDIVMODE_4	(0x1 << 10)
#define TX4938_CCFG_PCIDIVMODE_4_5	(0x3 << 10)
#define TX4938_CCFG_PCIDIVMODE_5	(0x5 << 10)
#define TX4938_CCFG_PCIDIVMODE_5_5	(0x7 << 10)
#define TX4938_CCFG_PCIDIVMODE_8	(0x0 << 10)
#define TX4938_CCFG_PCIDIVMODE_9	(0x2 << 10)
#define TX4938_CCFG_PCIDIVMODE_10	(0x4 << 10)
#define TX4938_CCFG_PCIDIVMODE_11	(0x6 << 10)
#define TX4938_CCFG_PCI1DMD	0x00000100
#define TX4938_CCFG_SYSSP_MASK	0x000000c0
#define TX4938_CCFG_ENDIAN	0x00000004
#define TX4938_CCFG_HALT	0x00000002
#define TX4938_CCFG_ACEHOLD	0x00000001

/* PCFG : Pin Configuration */
#define TX4938_PCFG_ETH0_SEL	0x8000000000000000ULL
#define TX4938_PCFG_ETH1_SEL	0x4000000000000000ULL
#define TX4938_PCFG_ATA_SEL	0x2000000000000000ULL
#define TX4938_PCFG_ISA_SEL	0x1000000000000000ULL
#define TX4938_PCFG_SPI_SEL	0x0800000000000000ULL
#define TX4938_PCFG_NDF_SEL	0x0400000000000000ULL
#define TX4938_PCFG_SDCLKDLY_MASK	0x30000000
#define TX4938_PCFG_SDCLKDLY(d)	((d)<<28)
#define TX4938_PCFG_SYSCLKEN	0x08000000
#define TX4938_PCFG_SDCLKEN_ALL	0x07800000
#define TX4938_PCFG_SDCLKEN(ch)	(0x00800000<<(ch))
#define TX4938_PCFG_PCICLKEN_ALL	0x003f0000
#define TX4938_PCFG_PCICLKEN(ch)	(0x00010000<<(ch))
#define TX4938_PCFG_SEL2	0x00000200
#define TX4938_PCFG_SEL1	0x00000100
#define TX4938_PCFG_DMASEL_ALL	0x0000000f
#define TX4938_PCFG_DMASEL0_DRQ0	0x00000000
#define TX4938_PCFG_DMASEL0_SIO1	0x00000001
#define TX4938_PCFG_DMASEL1_DRQ1	0x00000000
#define TX4938_PCFG_DMASEL1_SIO1	0x00000002
#define TX4938_PCFG_DMASEL2_DRQ2	0x00000000
#define TX4938_PCFG_DMASEL2_SIO0	0x00000004
#define TX4938_PCFG_DMASEL3_DRQ3	0x00000000
#define TX4938_PCFG_DMASEL3_SIO0	0x00000008

/* CLKCTR : Clock Control */
#define TX4938_CLKCTR_NDFCKD	0x0001000000000000ULL
#define TX4938_CLKCTR_NDFRST	0x0000000100000000ULL
#define TX4938_CLKCTR_ETH1CKD	0x80000000
#define TX4938_CLKCTR_ETH0CKD	0x40000000
#define TX4938_CLKCTR_SPICKD	0x20000000
#define TX4938_CLKCTR_SRAMCKD	0x10000000
#define TX4938_CLKCTR_PCIC1CKD	0x08000000
#define TX4938_CLKCTR_DMA1CKD	0x04000000
#define TX4938_CLKCTR_ACLCKD	0x02000000
#define TX4938_CLKCTR_PIOCKD	0x01000000
#define TX4938_CLKCTR_DMACKD	0x00800000
#define TX4938_CLKCTR_PCICKD	0x00400000
#define TX4938_CLKCTR_TM0CKD	0x00100000
#define TX4938_CLKCTR_TM1CKD	0x00080000
#define TX4938_CLKCTR_TM2CKD	0x00040000
#define TX4938_CLKCTR_SIO0CKD	0x00020000
#define TX4938_CLKCTR_SIO1CKD	0x00010000
#define TX4938_CLKCTR_ETH1RST	0x00008000
#define TX4938_CLKCTR_ETH0RST	0x00004000
#define TX4938_CLKCTR_SPIRST	0x00002000
#define TX4938_CLKCTR_SRAMRST	0x00001000
#define TX4938_CLKCTR_PCIC1RST	0x00000800
#define TX4938_CLKCTR_DMA1RST	0x00000400
#define TX4938_CLKCTR_ACLRST	0x00000200
#define TX4938_CLKCTR_PIORST	0x00000100
#define TX4938_CLKCTR_DMARST	0x00000080
#define TX4938_CLKCTR_PCIRST	0x00000040
#define TX4938_CLKCTR_TM0RST	0x00000010
#define TX4938_CLKCTR_TM1RST	0x00000008
#define TX4938_CLKCTR_TM2RST	0x00000004
#define TX4938_CLKCTR_SIO0RST	0x00000002
#define TX4938_CLKCTR_SIO1RST	0x00000001

/*
 * DMA
 */
/* bits for MCR */
#define TX4938_DMA_MCR_EIS(ch)	(0x10000000<<(ch))
#define TX4938_DMA_MCR_DIS(ch)	(0x01000000<<(ch))
#define TX4938_DMA_MCR_RSFIF	0x00000080
#define TX4938_DMA_MCR_FIFUM(ch)	(0x00000008<<(ch))
#define TX4938_DMA_MCR_RPRT	0x00000002
#define TX4938_DMA_MCR_MSTEN	0x00000001

/* bits for CCRn */
#define TX4938_DMA_CCR_IMMCHN	0x20000000
#define TX4938_DMA_CCR_USEXFSZ	0x10000000
#define TX4938_DMA_CCR_LE	0x08000000
#define TX4938_DMA_CCR_DBINH	0x04000000
#define TX4938_DMA_CCR_SBINH	0x02000000
#define TX4938_DMA_CCR_CHRST	0x01000000
#define TX4938_DMA_CCR_RVBYTE	0x00800000
#define TX4938_DMA_CCR_ACKPOL	0x00400000
#define TX4938_DMA_CCR_REQPL	0x00200000
#define TX4938_DMA_CCR_EGREQ	0x00100000
#define TX4938_DMA_CCR_CHDN	0x00080000
#define TX4938_DMA_CCR_DNCTL	0x00060000
#define TX4938_DMA_CCR_EXTRQ	0x00010000
#define TX4938_DMA_CCR_INTRQD	0x0000e000
#define TX4938_DMA_CCR_INTENE	0x00001000
#define TX4938_DMA_CCR_INTENC	0x00000800
#define TX4938_DMA_CCR_INTENT	0x00000400
#define TX4938_DMA_CCR_CHNEN	0x00000200
#define TX4938_DMA_CCR_XFACT	0x00000100
#define TX4938_DMA_CCR_SMPCHN	0x00000020
#define TX4938_DMA_CCR_XFSZ(order)	(((order) << 2) & 0x0000001c)
#define TX4938_DMA_CCR_XFSZ_1W	TX4938_DMA_CCR_XFSZ(2)
#define TX4938_DMA_CCR_XFSZ_2W	TX4938_DMA_CCR_XFSZ(3)
#define TX4938_DMA_CCR_XFSZ_4W	TX4938_DMA_CCR_XFSZ(4)
#define TX4938_DMA_CCR_XFSZ_8W	TX4938_DMA_CCR_XFSZ(5)
#define TX4938_DMA_CCR_XFSZ_16W	TX4938_DMA_CCR_XFSZ(6)
#define TX4938_DMA_CCR_XFSZ_32W	TX4938_DMA_CCR_XFSZ(7)
#define TX4938_DMA_CCR_MEMIO	0x00000002
#define TX4938_DMA_CCR_SNGAD	0x00000001

/* bits for CSRn */
#define TX4938_DMA_CSR_CHNEN	0x00000400
#define TX4938_DMA_CSR_STLXFER	0x00000200
#define TX4938_DMA_CSR_CHNACT	0x00000100
#define TX4938_DMA_CSR_ABCHC	0x00000080
#define TX4938_DMA_CSR_NCHNC	0x00000040
#define TX4938_DMA_CSR_NTRNFC	0x00000020
#define TX4938_DMA_CSR_EXTDN	0x00000010
#define TX4938_DMA_CSR_CFERR	0x00000008
#define TX4938_DMA_CSR_CHERR	0x00000004
#define TX4938_DMA_CSR_DESERR	0x00000002
#define TX4938_DMA_CSR_SORERR	0x00000001

#define tx4938_sdramcptr	tx4927_sdramcptr
#define tx4938_ebuscptr		tx4927_ebuscptr
#define tx4938_pcicptr		tx4927_pcicptr
#define tx4938_pcic1ptr \
		((struct tx4927_pcic_reg __iomem *)TX4938_PCIC1_REG)
#define tx4938_ccfgptr \
		((struct tx4938_ccfg_reg __iomem *)TX4938_CCFG_REG)
#define tx4938_pioptr		((struct txx9_pio_reg __iomem *)TX4938_PIO_REG)
#define tx4938_sramcptr \
		((struct tx4938_sramc_reg __iomem *)TX4938_SRAMC_REG)


#define TX4938_REV_PCODE()	\
	((__u32)__raw_readq(&tx4938_ccfgptr->crir) >> 16)

#define tx4938_ccfg_clear(bits)	tx4927_ccfg_clear(bits)
#define tx4938_ccfg_set(bits)	tx4927_ccfg_set(bits)
#define tx4938_ccfg_change(change, new)	tx4927_ccfg_change(change, new)

#define TX4938_SDRAMC_CR(ch)	TX4927_SDRAMC_CR(ch)
#define TX4938_SDRAMC_BA(ch)	TX4927_SDRAMC_BA(ch)
#define TX4938_SDRAMC_SIZE(ch)	TX4927_SDRAMC_SIZE(ch)

#define TX4938_EBUSC_CR(ch)	TX4927_EBUSC_CR(ch)
#define TX4938_EBUSC_BA(ch)	TX4927_EBUSC_BA(ch)
#define TX4938_EBUSC_SIZE(ch)	TX4927_EBUSC_SIZE(ch)
#define TX4938_EBUSC_WIDTH(ch)	TX4927_EBUSC_WIDTH(ch)

#define tx4938_get_mem_size() tx4927_get_mem_size()
void tx4938_wdt_init(void);
void tx4938_setup(void);
void tx4938_time_init(unsigned int tmrnr);
void tx4938_sio_init(unsigned int sclk, unsigned int cts_mask);
void tx4938_spi_init(int busid);
void tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1);
int tx4938_report_pciclk(void);
void tx4938_report_pci1clk(void);
int tx4938_pciclk66_setup(void);
struct pci_dev;
int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot);
void tx4938_setup_pcierr_irq(void);
void tx4938_irq_init(void);
void tx4938_mtd_init(int ch);

struct tx4938ide_platform_info {
	/*
	 * I/O port shift, for platforms with ports that are
	 * constantly spaced and need larger than the 1-byte
	 * spacing used by ata_std_ports().
	 */
	unsigned int ioport_shift;
	unsigned int gbus_clock;	/*  0 means no PIO mode tuning. */
	unsigned int ebus_ch;
};

void tx4938_ata_init(unsigned int irq, unsigned int shift, int tune);

#endif