mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-03 18:10:13 +00:00
ad00829971
To enable NAND flash in sunxi SPL, pins 0-6, 8-22 and 24 on port C are configured. Signed-off-by: Karol Gugala <kgugala@antmicro.com> Signed-off-by: Piotr Zierhoffer <pzierhoffer@antmicro.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
231 lines
6 KiB
C
231 lines
6 KiB
C
/*
|
|
* (C) Copyright 2007-2012
|
|
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
|
|
* Tom Cubie <tangliang@allwinnertech.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _SUNXI_GPIO_H
|
|
#define _SUNXI_GPIO_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/arch/cpu.h>
|
|
|
|
/*
|
|
* sunxi has 9 banks of gpio, they are:
|
|
* PA0 - PA17 | PB0 - PB23 | PC0 - PC24
|
|
* PD0 - PD27 | PE0 - PE31 | PF0 - PF5
|
|
* PG0 - PG9 | PH0 - PH27 | PI0 - PI12
|
|
*/
|
|
|
|
#define SUNXI_GPIO_A 0
|
|
#define SUNXI_GPIO_B 1
|
|
#define SUNXI_GPIO_C 2
|
|
#define SUNXI_GPIO_D 3
|
|
#define SUNXI_GPIO_E 4
|
|
#define SUNXI_GPIO_F 5
|
|
#define SUNXI_GPIO_G 6
|
|
#define SUNXI_GPIO_H 7
|
|
#define SUNXI_GPIO_I 8
|
|
|
|
/*
|
|
* This defines the number of GPIO banks for the _main_ GPIO controller.
|
|
* You should fix up the padding in struct sunxi_gpio_reg below if you
|
|
* change this.
|
|
*/
|
|
#define SUNXI_GPIO_BANKS 9
|
|
|
|
/*
|
|
* sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO)
|
|
* at a different register offset.
|
|
*
|
|
* sun6i has 2 banks:
|
|
* PL0 - PL8 | PM0 - PM7
|
|
*
|
|
* sun8i has 1 bank:
|
|
* PL0 - PL11
|
|
*
|
|
* sun9i has 3 banks:
|
|
* PL0 - PL9 | PM0 - PM15 | PN0 - PN1
|
|
*/
|
|
#define SUNXI_GPIO_L 11
|
|
#define SUNXI_GPIO_M 12
|
|
#define SUNXI_GPIO_N 13
|
|
|
|
struct sunxi_gpio {
|
|
u32 cfg[4];
|
|
u32 dat;
|
|
u32 drv[2];
|
|
u32 pull[2];
|
|
};
|
|
|
|
/* gpio interrupt control */
|
|
struct sunxi_gpio_int {
|
|
u32 cfg[3];
|
|
u32 ctl;
|
|
u32 sta;
|
|
u32 deb; /* interrupt debounce */
|
|
};
|
|
|
|
struct sunxi_gpio_reg {
|
|
struct sunxi_gpio gpio_bank[SUNXI_GPIO_BANKS];
|
|
u8 res[0xbc];
|
|
struct sunxi_gpio_int gpio_int;
|
|
};
|
|
|
|
#define BANK_TO_GPIO(bank) (((bank) < SUNXI_GPIO_L) ? \
|
|
&((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
|
|
&((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
|
|
|
|
#define GPIO_BANK(pin) ((pin) >> 5)
|
|
#define GPIO_NUM(pin) ((pin) & 0x1f)
|
|
|
|
#define GPIO_CFG_INDEX(pin) (((pin) & 0x1f) >> 3)
|
|
#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1f) & 0x7) << 2)
|
|
|
|
#define GPIO_DRV_INDEX(pin) (((pin) & 0x1f) >> 4)
|
|
#define GPIO_DRV_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
|
|
|
|
#define GPIO_PULL_INDEX(pin) (((pin) & 0x1f) >> 4)
|
|
#define GPIO_PULL_OFFSET(pin) ((((pin) & 0x1f) & 0xf) << 1)
|
|
|
|
/* GPIO bank sizes */
|
|
#define SUNXI_GPIO_A_NR 32
|
|
#define SUNXI_GPIO_B_NR 32
|
|
#define SUNXI_GPIO_C_NR 32
|
|
#define SUNXI_GPIO_D_NR 32
|
|
#define SUNXI_GPIO_E_NR 32
|
|
#define SUNXI_GPIO_F_NR 32
|
|
#define SUNXI_GPIO_G_NR 32
|
|
#define SUNXI_GPIO_H_NR 32
|
|
#define SUNXI_GPIO_I_NR 32
|
|
#define SUNXI_GPIO_L_NR 32
|
|
#define SUNXI_GPIO_M_NR 32
|
|
|
|
#define SUNXI_GPIO_NEXT(__gpio) \
|
|
((__gpio##_START) + (__gpio##_NR) + 0)
|
|
|
|
enum sunxi_gpio_number {
|
|
SUNXI_GPIO_A_START = 0,
|
|
SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A),
|
|
SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B),
|
|
SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C),
|
|
SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D),
|
|
SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E),
|
|
SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
|
|
SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
|
|
SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
|
|
SUNXI_GPIO_L_START = 352,
|
|
SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
|
|
SUNXI_GPIO_N_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_M),
|
|
SUNXI_GPIO_AXP0_START = 1024,
|
|
};
|
|
|
|
/* SUNXI GPIO number definitions */
|
|
#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr))
|
|
#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr))
|
|
#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr))
|
|
#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr))
|
|
#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr))
|
|
#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr))
|
|
#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
|
|
#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
|
|
#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
|
|
#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
|
|
#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
|
|
#define SUNXI_GPN(_nr) (SUNXI_GPIO_N_START + (_nr))
|
|
|
|
#define SUNXI_GPAXP0(_nr) (SUNXI_GPIO_AXP0_START + (_nr))
|
|
|
|
/* GPIO pin function config */
|
|
#define SUNXI_GPIO_INPUT 0
|
|
#define SUNXI_GPIO_OUTPUT 1
|
|
|
|
#define SUNXI_GPA_EMAC 2
|
|
#define SUN6I_GPA_GMAC 2
|
|
#define SUN7I_GPA_GMAC 5
|
|
#define SUN6I_GPA_SDC2 5
|
|
#define SUN6I_GPA_SDC3 4
|
|
|
|
#define SUN4I_GPB_TWI0 2
|
|
#define SUN4I_GPB_TWI1 2
|
|
#define SUN5I_GPB_TWI1 2
|
|
#define SUN4I_GPB_TWI2 2
|
|
#define SUN5I_GPB_TWI2 2
|
|
#define SUN4I_GPB_UART0 2
|
|
#define SUN5I_GPB_UART0 2
|
|
#define SUN8I_GPB_UART2 2
|
|
#define SUN8I_A33_GPB_UART0 3
|
|
|
|
#define SUNXI_GPC_NAND 2
|
|
#define SUNXI_GPC_SDC2 3
|
|
#define SUN6I_GPC_SDC3 4
|
|
|
|
#define SUN8I_GPD_SDC1 3
|
|
#define SUNXI_GPD_LCD0 2
|
|
#define SUNXI_GPD_LVDS0 3
|
|
|
|
#define SUN5I_GPE_SDC2 3
|
|
#define SUN8I_GPE_TWI2 3
|
|
|
|
#define SUNXI_GPF_SDC0 2
|
|
#define SUNXI_GPF_UART0 4
|
|
#define SUN8I_GPF_UART0 3
|
|
|
|
#define SUN4I_GPG_SDC1 4
|
|
#define SUN5I_GPG_SDC1 2
|
|
#define SUN6I_GPG_SDC1 2
|
|
#define SUN8I_GPG_SDC1 2
|
|
#define SUN6I_GPG_TWI3 2
|
|
#define SUN5I_GPG_UART1 4
|
|
|
|
#define SUN4I_GPH_SDC1 5
|
|
#define SUN6I_GPH_TWI0 2
|
|
#define SUN8I_GPH_TWI0 2
|
|
#define SUN6I_GPH_TWI1 2
|
|
#define SUN8I_GPH_TWI1 2
|
|
#define SUN6I_GPH_TWI2 2
|
|
#define SUN6I_GPH_UART0 2
|
|
#define SUN9I_GPH_UART0 2
|
|
|
|
#define SUNXI_GPI_SDC3 2
|
|
#define SUN7I_GPI_TWI3 3
|
|
#define SUN7I_GPI_TWI4 3
|
|
|
|
#define SUN6I_GPL0_R_P2WI_SCK 3
|
|
#define SUN6I_GPL1_R_P2WI_SDA 3
|
|
|
|
#define SUN8I_GPL_R_RSB 2
|
|
#define SUN8I_GPL_R_UART 2
|
|
|
|
#define SUN9I_GPN_R_RSB 3
|
|
|
|
/* GPIO pin pull-up/down config */
|
|
#define SUNXI_GPIO_PULL_DISABLE 0
|
|
#define SUNXI_GPIO_PULL_UP 1
|
|
#define SUNXI_GPIO_PULL_DOWN 2
|
|
|
|
/* Virtual AXP0 GPIOs */
|
|
#define SUNXI_GPIO_AXP0_PREFIX "AXP0-"
|
|
#define SUNXI_GPIO_AXP0_VBUS_DETECT 4
|
|
#define SUNXI_GPIO_AXP0_VBUS_ENABLE 5
|
|
#define SUNXI_GPIO_AXP0_GPIO_COUNT 6
|
|
|
|
void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
|
|
void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
|
|
int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
|
|
int sunxi_gpio_get_cfgpin(u32 pin);
|
|
int sunxi_gpio_set_drv(u32 pin, u32 val);
|
|
int sunxi_gpio_set_pull(u32 pin, u32 val);
|
|
int sunxi_name_to_gpio_bank(const char *name);
|
|
int sunxi_name_to_gpio(const char *name);
|
|
#define name_to_gpio(name) sunxi_name_to_gpio(name)
|
|
|
|
#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
|
|
int axp_gpio_init(void);
|
|
#else
|
|
static inline int axp_gpio_init(void) { return 0; }
|
|
#endif
|
|
|
|
#endif /* _SUNXI_GPIO_H */
|