blob: 642483f06c5ebfccefe05ec4a3fc143f5077d4eb [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Ian Campbellb2765ec2014-05-05 11:52:24 +01002/*
3 * (C) Copyright 2007-2011
4 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
5 * Tom Cubie <tangliang@allwinnertech.com>
Ian Campbellb2765ec2014-05-05 11:52:24 +01006 */
7
8#include <common.h>
9#include <asm/io.h>
10#include <asm/arch/gpio.h>
11
Simon Glassd8624532014-10-30 20:25:47 -060012void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val)
Ian Campbellb2765ec2014-05-05 11:52:24 +010013{
Simon Glassd8624532014-10-30 20:25:47 -060014 u32 index = GPIO_CFG_INDEX(bank_offset);
15 u32 offset = GPIO_CFG_OFFSET(bank_offset);
Ian Campbellb2765ec2014-05-05 11:52:24 +010016
17 clrsetbits_le32(&pio->cfg[0] + index, 0xf << offset, val << offset);
Ian Campbellb2765ec2014-05-05 11:52:24 +010018}
19
Simon Glassd8624532014-10-30 20:25:47 -060020void sunxi_gpio_set_cfgpin(u32 pin, u32 val)
Ian Campbellb2765ec2014-05-05 11:52:24 +010021{
Ian Campbellb2765ec2014-05-05 11:52:24 +010022 u32 bank = GPIO_BANK(pin);
Ian Campbellb2765ec2014-05-05 11:52:24 +010023 struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
24
Simon Glassd8624532014-10-30 20:25:47 -060025 sunxi_gpio_set_cfgbank(pio, pin, val);
26}
27
28int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset)
29{
30 u32 index = GPIO_CFG_INDEX(bank_offset);
31 u32 offset = GPIO_CFG_OFFSET(bank_offset);
32 u32 cfg;
33
Ian Campbellb2765ec2014-05-05 11:52:24 +010034 cfg = readl(&pio->cfg[0] + index);
35 cfg >>= offset;
36
37 return cfg & 0xf;
38}
39
Simon Glassd8624532014-10-30 20:25:47 -060040int sunxi_gpio_get_cfgpin(u32 pin)
41{
42 u32 bank = GPIO_BANK(pin);
43 struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
44
45 return sunxi_gpio_get_cfgbank(pio, pin);
46}
47
Ian Campbellb2765ec2014-05-05 11:52:24 +010048int sunxi_gpio_set_drv(u32 pin, u32 val)
49{
50 u32 bank = GPIO_BANK(pin);
51 u32 index = GPIO_DRV_INDEX(pin);
52 u32 offset = GPIO_DRV_OFFSET(pin);
53 struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
54
55 clrsetbits_le32(&pio->drv[0] + index, 0x3 << offset, val << offset);
56
57 return 0;
58}
59
60int sunxi_gpio_set_pull(u32 pin, u32 val)
61{
62 u32 bank = GPIO_BANK(pin);
63 u32 index = GPIO_PULL_INDEX(pin);
64 u32 offset = GPIO_PULL_OFFSET(pin);
65 struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
66
67 clrsetbits_le32(&pio->pull[0] + index, 0x3 << offset, val << offset);
68
69 return 0;
70}