Whitebox
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

blackfin: bf60x: add gpio support

Browse Source 
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
master
Bob Liu 13 years ago committed by sonic
parent 7677d65f65
commit c34346d85d
3 changed files with 181 additions and 8 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 36
      arch/blackfin/cpu/gpio.c
  2. 2
      arch/blackfin/include/asm/gpio.h
  3. 151
      arch/blackfin/include/asm/mach-bf609/gpio.h

36
arch/blackfin/cpu/gpio.c
Unescape View File

@ -66,6 +66,14 @@ static struct gpio_port_t * const gpio_array[] = {
(struct gpio_port_t *)PORTH_FER,
(struct gpio_port_t *)PORTI_FER,
(struct gpio_port_t *)PORTJ_FER,
#elif defined(CONFIG_BF60x)
(struct gpio_port_t *)PORTA_FER,
(struct gpio_port_t *)PORTB_FER,
(struct gpio_port_t *)PORTC_FER,
(struct gpio_port_t *)PORTD_FER,
(struct gpio_port_t *)PORTE_FER,
(struct gpio_port_t *)PORTF_FER,
(struct gpio_port_t *)PORTG_FER,
#else
# error no gpio arrays defined
#endif
@ -216,6 +224,12 @@ static void port_setup(unsigned gpio, unsigned short usage)
else
gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
SSYNC();
#elif defined(CONFIG_BF60x)
if (usage == GPIO_USAGE)
gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio);
else
gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio);
SSYNC();
#endif
}
@ -290,7 +304,7 @@ static void portmux_setup(unsigned short per)
}
}
}
#elif defined(CONFIG_BF54x)
#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
inline void portmux_setup(unsigned short per)
{
u32 pmux;
@ -330,7 +344,7 @@ inline void portmux_setup(unsigned short per)
# define portmux_setup(...) do { } while (0)
#endif
#ifndef CONFIG_BF54x
#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
@ -534,7 +548,7 @@ int peripheral_request(unsigned short per, const char *label)
* be requested and used by several drivers
*/
#ifdef CONFIG_BF54x
#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
#else
if (!(per & P_MAYSHARE)) {
@ -651,7 +665,7 @@ int bfin_gpio_request(unsigned gpio, const char *label)
gpio, get_label(gpio));
return -EBUSY;
}
#ifndef CONFIG_BF54x
#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
else { /* Reset POLAR setting when acquiring a gpio for the first time */
set_gpio_polar(gpio, 0);
}
@ -732,12 +746,16 @@ void bfin_special_gpio_free(unsigned gpio)
static inline void __bfin_gpio_direction_input(unsigned gpio)
{
#ifdef CONFIG_BF54x
#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
#endif
#if defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
#endif
}
int bfin_gpio_direction_input(unsigned gpio)
@ -785,9 +803,13 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
local_irq_save(flags);
#if defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
#endif
gpio_set_value(gpio, value);
#ifdef CONFIG_BF54x
#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
@ -801,7 +823,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
int bfin_gpio_get_value(unsigned gpio)
{
#ifdef CONFIG_BF54x
#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
#else
unsigned long flags;

2
arch/blackfin/include/asm/gpio.h
Unescape View File

@ -68,7 +68,7 @@
#ifndef __ASSEMBLY__
#ifndef CONFIG_BF54x
#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
void set_gpio_dir(unsigned, unsigned short);
void set_gpio_inen(unsigned, unsigned short);
void set_gpio_polar(unsigned, unsigned short);

151
arch/blackfin/include/asm/mach-bf609/gpio.h
Unescape View File

@ -0,0 +1,151 @@
/*
* Copyright (C) 2008 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef _MACH_GPIO_H_
#define _MACH_GPIO_H_
#define MAX_BLACKFIN_GPIOS 112
#define GPIO_PA0 0
#define GPIO_PA1 1
#define GPIO_PA2 2
#define GPIO_PA3 3
#define GPIO_PA4 4
#define GPIO_PA5 5
#define GPIO_PA6 6
#define GPIO_PA7 7
#define GPIO_PA8 8
#define GPIO_PA9 9
#define GPIO_PA10 10
#define GPIO_PA11 11
#define GPIO_PA12 12
#define GPIO_PA13 13
#define GPIO_PA14 14
#define GPIO_PA15 15
#define GPIO_PB0 16
#define GPIO_PB1 17
#define GPIO_PB2 18
#define GPIO_PB3 19
#define GPIO_PB4 20
#define GPIO_PB5 21
#define GPIO_PB6 22
#define GPIO_PB7 23
#define GPIO_PB8 24
#define GPIO_PB9 25
#define GPIO_PB10 26
#define GPIO_PB11 27
#define GPIO_PB12 28
#define GPIO_PB13 29
#define GPIO_PB14 30
#define GPIO_PB15 31
#define GPIO_PC0 32
#define GPIO_PC1 33
#define GPIO_PC2 34
#define GPIO_PC3 35
#define GPIO_PC4 36
#define GPIO_PC5 37
#define GPIO_PC6 38
#define GPIO_PC7 39
#define GPIO_PC8 40
#define GPIO_PC9 41
#define GPIO_PC10 42
#define GPIO_PC11 43
#define GPIO_PC12 44
#define GPIO_PC13 45
#define GPIO_PC14 46
#define GPIO_PC15 47
#define GPIO_PD0 48
#define GPIO_PD1 49
#define GPIO_PD2 50
#define GPIO_PD3 51
#define GPIO_PD4 52
#define GPIO_PD5 53
#define GPIO_PD6 54
#define GPIO_PD7 55
#define GPIO_PD8 56
#define GPIO_PD9 57
#define GPIO_PD10 58
#define GPIO_PD11 59
#define GPIO_PD12 60
#define GPIO_PD13 61
#define GPIO_PD14 62
#define GPIO_PD15 63
#define GPIO_PE0 64
#define GPIO_PE1 65
#define GPIO_PE2 66
#define GPIO_PE3 67
#define GPIO_PE4 68
#define GPIO_PE5 69
#define GPIO_PE6 70
#define GPIO_PE7 71
#define GPIO_PE8 72
#define GPIO_PE9 73
#define GPIO_PE10 74
#define GPIO_PE11 75
#define GPIO_PE12 76
#define GPIO_PE13 77
#define GPIO_PE14 78
#define GPIO_PE15 79
#define GPIO_PF0 80
#define GPIO_PF1 81
#define GPIO_PF2 82
#define GPIO_PF3 83
#define GPIO_PF4 84
#define GPIO_PF5 85
#define GPIO_PF6 86
#define GPIO_PF7 87
#define GPIO_PF8 88
#define GPIO_PF9 89
#define GPIO_PF10 90
#define GPIO_PF11 91
#define GPIO_PF12 92
#define GPIO_PF13 93
#define GPIO_PF14 94
#define GPIO_PF15 95
#define GPIO_PG0 96
#define GPIO_PG1 97
#define GPIO_PG2 98
#define GPIO_PG3 99
#define GPIO_PG4 100
#define GPIO_PG5 101
#define GPIO_PG6 102
#define GPIO_PG7 103
#define GPIO_PG8 104
#define GPIO_PG9 105
#define GPIO_PG10 106
#define GPIO_PG11 107
#define GPIO_PG12 108
#define GPIO_PG13 109
#define GPIO_PG14 110
#define GPIO_PG15 111
#ifndef __ASSEMBLY__
struct gpio_port_t {
unsigned long port_fer;
unsigned long port_fer_set;
unsigned long port_fer_clear;
unsigned long data;
unsigned long data_set;
unsigned long data_clear;
unsigned long dir;
unsigned long dir_set;
unsigned long dir_clear;
unsigned long inen;
unsigned long inen_set;
unsigned long inen_clear;
unsigned long port_mux;
unsigned long toggle;
unsigned long polar;
unsigned long polar_set;
unsigned long polar_clear;
unsigned long lock;
unsigned long spare;
unsigned long revid;
};
#endif
#endif /* _MACH_GPIO_H_ */
Write Preview
Loading…
Cancel
Save