]> Git Repo - J-u-boot.git/blame - arch/arm/mach-sunxi/pinmux.c
sunxi: change SUNXI_HIGH_SRAM option to SUNXI_SRAM_ADDRESS
[J-u-boot.git] / arch / arm / mach-sunxi / pinmux.c
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83d290c5 1// SPDX-License-Identifier: GPL-2.0+
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2/*
3 * (C) Copyright 2007-2011
4 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
5 * Tom Cubie <[email protected]>
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6 */
7
8#include <common.h>
9#include <asm/io.h>
10#include <asm/arch/gpio.h>
11
bf38891a 12void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val)
fe1b4db0 13{
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14 u32 index = GPIO_CFG_INDEX(bank_offset);
15 u32 offset = GPIO_CFG_OFFSET(bank_offset);
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16
17 clrsetbits_le32(&pio->cfg[0] + index, 0xf << offset, val << offset);
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18}
19
bf38891a 20void sunxi_gpio_set_cfgpin(u32 pin, u32 val)
fe1b4db0 21{
fe1b4db0 22 u32 bank = GPIO_BANK(pin);
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23 struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
24
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25 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
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34 cfg = readl(&pio->cfg[0] + index);
35 cfg >>= offset;
36
37 return cfg & 0xf;
38}
39
bf38891a
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40int 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
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48int 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}
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