1 /* Copyright 2013-2014 IBM Corp.
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * 	http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
12  * implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 /**
17  * @file config.H
18  *
19  * @brief Definitions for EC configuration values.
20  *
21  */
22 
23 #ifndef __EC_CONFIG_H_
24 #define __EC_CONFIG_H_
25 
26 #include <stdint.h>
27 
28 #define EC_RTC_PORT_BASE    (0x70) // RTC/CMOS LPC base address
29 #define EC_RTC_BLOCK_SIZE   (512)  // Size of addressable data in RTC
30 #define EC_RTC_CENTURY      (1)    // 1 if century format is enabled
31 #if EC_RTC_CENTURY
32 #define EC_RTC_BBRAM_OFFSET (0x33) // Offset of NV data (= size of calendar)
33 #else
34 #define EC_RTC_BBRAM_OFFSET (0x0E) // Offset of NV data (= size of calendar)
35 #endif // #if EC_RTC_CENTURY
36 
37 #define EC_RTCDD_READ_TRIES  (2)      // Times to try the RTC if updating
38 #define EC_RTCDD_RETRY_DELAY (300000) // Delay between RTC read retries in ns
39                                       // based on update time of 244 + 30.5 µs
40 
41 #define EC_GPIO_INDEX        0x200
42 #define EC_GPIO_DATA         0x201
43 #define EC_GPIO_NUM_PORTS    17
44 #define EC_GPIO_PORT_SKIP    4
45 
46 #define EC_GPIO_DATA_OFFSET  0x0
47 #define EC_GPIO_DDR_OFFSET   0x1
48 #define EC_GPIO_PIN_OFFSET   0x2
49 #define EC_GPIO_PUP_OFFSET   0x3
50 
51 typedef enum EcGpioPort {
52     EC_GPIO_PORT_A = 0,
53     EC_GPIO_PORT_B = 1,
54     EC_GPIO_PORT_C = 2,
55     EC_GPIO_PORT_D = 3,
56     EC_GPIO_PORT_E = 4,
57     EC_GPIO_PORT_F = 5,
58     EC_GPIO_PORT_G = 6,
59     EC_GPIO_PORT_H = 7,
60     // skip port I
61     EC_GPIO_PORT_J = 8,
62     EC_GPIO_PORT_K = 9,
63     EC_GPIO_PORT_L = 10,
64     EC_GPIO_PORT_M = 11,
65     EC_GPIO_PORT_N = 12,
66     // skip port O
67     EC_GPIO_PORT_P = 13,
68     EC_GPIO_PORT_Q = 14,
69     EC_GPIO_PORT_R = 15,
70     EC_GPIO_PORT_S = 16,
71 } EcGpioPort;
72 
73 #ifdef __cplusplus
74 extern "C" {
75 #endif
76 void ec_outb(uint16_t, uint8_t);
77 uint8_t ec_inb(uint16_t);
78 #ifdef __cplusplus
79 }
80 #endif
81 
82 #endif  // __EC_CONFIG_H_
83