xref: /openbmc/u-boot/drivers/misc/ds4510.h (revision e8645527)
1 /*
2  * Copyright 2008 Extreme Engineering Solutions, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0
5  */
6 
7 #ifndef __DS4510_H_
8 #define __DS4510_H_
9 
10 /* General defines */
11 #define DS4510_NUM_IO				0x04
12 #define DS4510_IO_MASK				((1 << DS4510_NUM_IO) - 1)
13 #define DS4510_EEPROM_PAGE_WRITE_DELAY_MS	20
14 
15 /* EEPROM from 0x00 - 0x39 */
16 #define DS4510_EEPROM				0x00
17 #define DS4510_EEPROM_SIZE			0x40
18 #define DS4510_EEPROM_PAGE_SIZE			0x08
19 #define DS4510_EEPROM_PAGE_OFFSET(x)	((x) & (DS4510_EEPROM_PAGE_SIZE - 1))
20 
21 /* SEEPROM from 0xf0 - 0xf7 */
22 #define DS4510_SEEPROM				0xf0
23 #define DS4510_SEEPROM_SIZE			0x08
24 
25 /* Registers overlapping SEEPROM from 0xf0 - 0xf7 */
26 #define DS4510_PULLUP				0xF0
27 #define DS4510_PULLUP_DIS			0x00
28 #define DS4510_PULLUP_EN			0x01
29 #define DS4510_RSTDELAY				0xF1
30 #define DS4510_RSTDELAY_MASK			0x03
31 #define DS4510_RSTDELAY_125			0x00
32 #define DS4510_RSTDELAY_250			0x01
33 #define DS4510_RSTDELAY_500			0x02
34 #define DS4510_RSTDELAY_1000			0x03
35 #define DS4510_IO3				0xF4
36 #define DS4510_IO2				0xF5
37 #define DS4510_IO1				0xF6
38 #define DS4510_IO0				0xF7
39 
40 /* Status configuration registers from 0xf8 - 0xf9*/
41 #define DS4510_IO_STATUS			0xF8
42 #define DS4510_CFG				0xF9
43 #define DS4510_CFG_READY			0x80
44 #define DS4510_CFG_TRIP_POINT			0x40
45 #define DS4510_CFG_RESET			0x20
46 #define DS4510_CFG_SEE				0x10
47 #define DS4510_CFG_SWRST			0x08
48 
49 /* SRAM from 0xfa - 0xff */
50 #define DS4510_SRAM				0xfa
51 #define DS4510_SRAM_SIZE			0x06
52 
53 #endif /* __DS4510_H_ */
54