e35e2e7867
The static gpio_t initializers are stylish, but they are still a little too annoying to write and read in day-to-day use. Let's wrap that in a macro to make it a little easier to handle. BUG=None TEST=None Change-Id: If41b2b3fd3c3f94797d314ba5f3ffcb2a250a005 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 102a5c0a800f43d688d11d1d7bbc51e360341517 Original-Change-Id: I385ae5182776c8cbb20bbf3c79b986628040f1cf Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/220250 Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/9052 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright 2014 Rockchip Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __SOC_ROCKCHIP_RK3288_GPIO_H__
|
|
#define __SOC_ROCKCHIP_RK3288_GPIO_H__
|
|
|
|
#include "addressmap.h"
|
|
#include "grf.h"
|
|
|
|
#define GPIO(p, b, i) ((gpio_t){.port = p, .bank = GPIO_##b, .idx = i})
|
|
|
|
struct rk3288_gpio_regs {
|
|
u32 swporta_dr;
|
|
u32 swporta_ddr;
|
|
u32 reserved0[(0x30 - 0x08) / 4];
|
|
u32 inten;
|
|
u32 intmask;
|
|
u32 inttype_level;
|
|
u32 int_polarity;
|
|
u32 int_status;
|
|
u32 int_rawstatus;
|
|
u32 debounce;
|
|
u32 porta_eoi;
|
|
u32 ext_porta;
|
|
u32 reserved1[(0x60 - 0x54) / 4];
|
|
u32 ls_sync;
|
|
};
|
|
check_member(rk3288_gpio_regs, ls_sync, 0x60);
|
|
|
|
typedef union {
|
|
u32 raw;
|
|
struct {
|
|
u16 port;
|
|
union {
|
|
struct {
|
|
u16 num:5;
|
|
u16 :11;
|
|
};
|
|
struct {
|
|
u16 idx:3;
|
|
u16 bank:2;
|
|
u16 :11;
|
|
};
|
|
};
|
|
};
|
|
} gpio_t;
|
|
|
|
enum {
|
|
GPIO_A = 0,
|
|
GPIO_B,
|
|
GPIO_C,
|
|
GPIO_D,
|
|
};
|
|
|
|
void gpio_input(gpio_t gpio);
|
|
void gpio_input_pulldown(gpio_t gpio);
|
|
void gpio_input_pullup(gpio_t gpio);
|
|
void gpio_output(gpio_t gpio, int value);
|
|
int gpio_get_in_value(gpio_t gpio);
|
|
|
|
#endif /* _ASM_ROCKCHIP_GPIO_H_ */
|