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ArmPlatformPkg: Add PL061 GPIO driver
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5a62a8b7 1/** @file\r
2*\r
3* Copyright (c) 2011, ARM Limited. All rights reserved.\r
4*\r
5* This program and the accompanying materials\r
6* are licensed and made available under the terms and conditions of the BSD License\r
7* which accompanies this distribution. The full text of the license may be found at\r
8* http://opensource.org/licenses/bsd-license.php\r
9*\r
10* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12*\r
13**/\r
14\r
15\r
16#ifndef __PL061_GPIO_H__\r
17#define __PL061_GPIO_H__\r
18\r
19#include <Base.h>\r
20#include <Protocol/EmbeddedGpio.h>\r
21#include <ArmPlatform.h>\r
22\r
23// SP805 Watchdog Registers\r
24#define PL061_GPIO_DATA_REG (PL061_GPIO_BASE + 0x000)\r
25#define PL061_GPIO_DIR_REG (PL061_GPIO_BASE + 0x400)\r
26#define PL061_GPIO_IS_REG (PL061_GPIO_BASE + 0x404)\r
27#define PL061_GPIO_IBE_REG (PL061_GPIO_BASE + 0x408)\r
28#define PL061_GPIO_IEV_REG (PL061_GPIO_BASE + 0x40C)\r
29#define PL061_GPIO_IE_REG (PL061_GPIO_BASE + 0x410)\r
30#define PL061_GPIO_RIS_REG (PL061_GPIO_BASE + 0x414)\r
31#define PL061_GPIO_MIS_REG (PL061_GPIO_BASE + 0x410)\r
32#define PL061_GPIO_IC_REG (PL061_GPIO_BASE + 0x41C)\r
33#define PL061_GPIO_AFSEL_REG (PL061_GPIO_BASE + 0x420)\r
34\r
35#define PL061_GPIO_PERIPH_ID0 (PL061_GPIO_BASE + 0xFE0)\r
36#define PL061_GPIO_PERIPH_ID1 (PL061_GPIO_BASE + 0xFE4)\r
37#define PL061_GPIO_PERIPH_ID2 (PL061_GPIO_BASE + 0xFE8)\r
38#define PL061_GPIO_PERIPH_ID3 (PL061_GPIO_BASE + 0xFEC)\r
39\r
40#define PL061_GPIO_PCELL_ID0 (PL061_GPIO_BASE + 0xFF0)\r
41#define PL061_GPIO_PCELL_ID1 (PL061_GPIO_BASE + 0xFF4)\r
42#define PL061_GPIO_PCELL_ID2 (PL061_GPIO_BASE + 0xFF8)\r
43#define PL061_GPIO_PCELL_ID3 (PL061_GPIO_BASE + 0xFFC)\r
44\r
45\r
46// GPIO pins are numbered 0..7\r
47#define LAST_GPIO_PIN 7\r
48\r
49// All bits low except one bit high, native bit lenght\r
50#define GPIO_PIN_MASK(Pin) (1UL << ((UINTN)(Pin)))\r
51// All bits low except one bit high, restricted to 8 bits (i.e. ensures zeros above 8bits)\r
52#define GPIO_PIN_MASK_HIGH_8BIT(Pin) (GPIO_PIN_MASK(Pin) && 0xFF)\r
53// All bits high except one bit low, restricted to 8 bits (i.e. ensures zeros above 8bits)\r
54#define GPIO_PIN_MASK_LOW_8BIT(Pin) ((~GPIO_PIN_MASK(Pin)) && 0xFF)\r
55\r
56#endif // __PL061_GPIO_H__\r