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Blackfin arch: cleanup bf54x ifdef mess in gpio code 

merge more of the bf54x and !bf54x gpio code together to
cut down on #ifdef mess

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2009-02-04 16:49:45 +08:00 committed by Bryan Wu
parent 881eb621fc
commit f556309ea0
3 changed files with 223 additions and 424 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
arch/blackfin/include/asm/gpio.h
View File

@ -27,60 +27,6 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Number BF537/6/4 BF561 BF533/2/1
* BF527/5/2
*
* GPIO_0 PF0 PF0 PF0
* GPIO_1 PF1 PF1 PF1
* GPIO_2 PF2 PF2 PF2
* GPIO_3 PF3 PF3 PF3
* GPIO_4 PF4 PF4 PF4
* GPIO_5 PF5 PF5 PF5
* GPIO_6 PF6 PF6 PF6
* GPIO_7 PF7 PF7 PF7
* GPIO_8 PF8 PF8 PF8
* GPIO_9 PF9 PF9 PF9
* GPIO_10 PF10 PF10 PF10
* GPIO_11 PF11 PF11 PF11
* GPIO_12 PF12 PF12 PF12
* GPIO_13 PF13 PF13 PF13
* GPIO_14 PF14 PF14 PF14
* GPIO_15 PF15 PF15 PF15
* GPIO_16 PG0 PF16
* GPIO_17 PG1 PF17
* GPIO_18 PG2 PF18
* GPIO_19 PG3 PF19
* GPIO_20 PG4 PF20
* GPIO_21 PG5 PF21
* GPIO_22 PG6 PF22
* GPIO_23 PG7 PF23
* GPIO_24 PG8 PF24
* GPIO_25 PG9 PF25
* GPIO_26 PG10 PF26
* GPIO_27 PG11 PF27
* GPIO_28 PG12 PF28
* GPIO_29 PG13 PF29
* GPIO_30 PG14 PF30
* GPIO_31 PG15 PF31
* GPIO_32 PH0 PF32
* GPIO_33 PH1 PF33
* GPIO_34 PH2 PF34
* GPIO_35 PH3 PF35
* GPIO_36 PH4 PF36
* GPIO_37 PH5 PF37
* GPIO_38 PH6 PF38
* GPIO_39 PH7 PF39
* GPIO_40 PH8 PF40
* GPIO_41 PH9 PF41
* GPIO_42 PH10 PF42
* GPIO_43 PH11 PF43
* GPIO_44 PH12 PF44
* GPIO_45 PH13 PF45
* GPIO_46 PH14 PF46
* GPIO_47 PH15 PF47
*/
#ifndef __ARCH_BLACKFIN_GPIO_H__
#define __ARCH_BLACKFIN_GPIO_H__
@ -295,10 +241,6 @@ int bfin_gpio_direction_output(unsigned gpio, int value);
int bfin_gpio_get_value(unsigned gpio);
void bfin_gpio_set_value(unsigned gpio, int value);
#ifndef BF548_FAMILY
#define bfin_gpio_set_value(gpio, value) set_gpio_data(gpio, value)
#endif
#ifdef CONFIG_GPIOLIB
#include <asm-generic/gpio.h> /* cansleep wrappers */

577
arch/blackfin/kernel/bfin_gpio.c
View File

@ -27,59 +27,6 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Number BF537/6/4 BF561 BF533/2/1 BF549/8/4/2
*
* GPIO_0 PF0 PF0 PF0 PA0...PJ13
* GPIO_1 PF1 PF1 PF1
* GPIO_2 PF2 PF2 PF2
* GPIO_3 PF3 PF3 PF3
* GPIO_4 PF4 PF4 PF4
* GPIO_5 PF5 PF5 PF5
* GPIO_6 PF6 PF6 PF6
* GPIO_7 PF7 PF7 PF7
* GPIO_8 PF8 PF8 PF8
* GPIO_9 PF9 PF9 PF9
* GPIO_10 PF10 PF10 PF10
* GPIO_11 PF11 PF11 PF11
* GPIO_12 PF12 PF12 PF12
* GPIO_13 PF13 PF13 PF13
* GPIO_14 PF14 PF14 PF14
* GPIO_15 PF15 PF15 PF15
* GPIO_16 PG0 PF16
* GPIO_17 PG1 PF17
* GPIO_18 PG2 PF18
* GPIO_19 PG3 PF19
* GPIO_20 PG4 PF20
* GPIO_21 PG5 PF21
* GPIO_22 PG6 PF22
* GPIO_23 PG7 PF23
* GPIO_24 PG8 PF24
* GPIO_25 PG9 PF25
* GPIO_26 PG10 PF26
* GPIO_27 PG11 PF27
* GPIO_28 PG12 PF28
* GPIO_29 PG13 PF29
* GPIO_30 PG14 PF30
* GPIO_31 PG15 PF31
* GPIO_32 PH0 PF32
* GPIO_33 PH1 PF33
* GPIO_34 PH2 PF34
* GPIO_35 PH3 PF35
* GPIO_36 PH4 PF36
* GPIO_37 PH5 PF37
* GPIO_38 PH6 PF38
* GPIO_39 PH7 PF39
* GPIO_40 PH8 PF40
* GPIO_41 PH9 PF41
* GPIO_42 PH10 PF42
* GPIO_43 PH11 PF43
* GPIO_44 PH12 PF44
* GPIO_45 PH13 PF45
* GPIO_46 PH14 PF46
* GPIO_47 PH15 PF47
*/
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/err.h>
@ -119,28 +66,42 @@ enum {
#define AWA_DUMMY_READ(...) do { } while (0)
#endif
static struct gpio_port_t * const gpio_array[] = {
#if defined(BF533_FAMILY) || defined(BF538_FAMILY)
static struct gpio_port_t *gpio_bankb[] = {
(struct gpio_port_t *) FIO_FLAG_D,
};
#endif
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
static struct gpio_port_t *gpio_bankb[] = {
#elif defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
(struct gpio_port_t *) PORTFIO,
(struct gpio_port_t *) PORTGIO,
(struct gpio_port_t *) PORTHIO,
#elif defined(BF561_FAMILY)
(struct gpio_port_t *) FIO0_FLAG_D,
(struct gpio_port_t *) FIO1_FLAG_D,
(struct gpio_port_t *) FIO2_FLAG_D,
#elif defined(BF548_FAMILY)
(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,
(struct gpio_port_t *)PORTH_FER,
(struct gpio_port_t *)PORTI_FER,
(struct gpio_port_t *)PORTJ_FER,
#else
# error no gpio arrays defined
#endif
};
static unsigned short *port_fer[] = {
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
static unsigned short * const port_fer[] = {
(unsigned short *) PORTF_FER,
(unsigned short *) PORTG_FER,
(unsigned short *) PORTH_FER,
};
#endif
#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
static unsigned short *port_mux[] = {
# if !defined(BF537_FAMILY)
static unsigned short * const port_mux[] = {
(unsigned short *) PORTF_MUX,
(unsigned short *) PORTG_MUX,
(unsigned short *) PORTH_MUX,
@ -152,29 +113,7 @@ u8 pmux_offset[][16] =
{ 0, 0, 0, 0, 0, 2, 2, 4, 4, 6, 8, 10, 10, 10, 12, 12 }, /* PORTG */
{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 4, 4, 4, 4, 4 }, /* PORTH */
};
#endif
#ifdef BF561_FAMILY
static struct gpio_port_t *gpio_bankb[] = {
(struct gpio_port_t *) FIO0_FLAG_D,
(struct gpio_port_t *) FIO1_FLAG_D,
(struct gpio_port_t *) FIO2_FLAG_D,
};
#endif
#ifdef BF548_FAMILY
static struct gpio_port_t *gpio_array[] = {
(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,
(struct gpio_port_t *)PORTH_FER,
(struct gpio_port_t *)PORTI_FER,
(struct gpio_port_t *)PORTJ_FER,
};
# endif
#endif
static unsigned short reserved_gpio_map[GPIO_BANK_NUM];
@ -188,35 +127,9 @@ static struct str_ident {
} str_ident[MAX_RESOURCES];
#if defined(CONFIG_PM)
#if defined(CONFIG_BF54x)
static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
#else
static unsigned short wakeup_map[GPIO_BANK_NUM];
static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
#ifdef BF533_FAMILY
static unsigned int sic_iwr_irqs[] = {IRQ_PROG_INTB};
#endif
#ifdef BF537_FAMILY
static unsigned int sic_iwr_irqs[] = {IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX};
#endif
#ifdef BF538_FAMILY
static unsigned int sic_iwr_irqs[] = {IRQ_PORTF_INTB};
#endif
#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
static unsigned int sic_iwr_irqs[] = {IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB};
#endif
#ifdef BF561_FAMILY
static unsigned int sic_iwr_irqs[] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB};
#endif
#endif
#endif /* CONFIG_PM */
inline int check_gpio(unsigned gpio)
{
#if defined(BF548_FAMILY)
@ -330,9 +243,10 @@ static struct {
{.res = P_SPI0_SSEL3, .offset = 0},
};
static void portmux_setup(unsigned short per, unsigned short function)
static void portmux_setup(unsigned short per)
{
u16 y, offset, muxreg;
u16 function = P_FUNCT2MUX(per);
for (y = 0; y < ARRAY_SIZE(port_mux_lut); y++) {
if (port_mux_lut[y].res == per) {
@ -353,30 +267,33 @@ static void portmux_setup(unsigned short per, unsigned short function)
}
}
#elif defined(BF548_FAMILY)
inline void portmux_setup(unsigned short portno, unsigned short function)
inline void portmux_setup(unsigned short per)
{
u32 pmux;
u16 ident = P_IDENT(per);
u16 function = P_FUNCT2MUX(per);
pmux = gpio_array[gpio_bank(portno)]->port_mux;
pmux = gpio_array[gpio_bank(ident)]->port_mux;
pmux &= ~(0x3 << (2 * gpio_sub_n(portno)));
pmux |= (function & 0x3) << (2 * gpio_sub_n(portno));
pmux &= ~(0x3 << (2 * gpio_sub_n(ident)));
pmux |= (function & 0x3) << (2 * gpio_sub_n(ident));
gpio_array[gpio_bank(portno)]->port_mux = pmux;
gpio_array[gpio_bank(ident)]->port_mux = pmux;
}
inline u16 get_portmux(unsigned short portno)
inline u16 get_portmux(unsigned short per)
{
u32 pmux;
u16 ident = P_IDENT(per);
pmux = gpio_array[gpio_bank(portno)]->port_mux;
pmux = gpio_array[gpio_bank(ident)]->port_mux;
return (pmux >> (2 * gpio_sub_n(portno)) & 0x3);
return (pmux >> (2 * gpio_sub_n(ident)) & 0x3);
}
#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
inline void portmux_setup(unsigned short portno, unsigned short function)
inline void portmux_setup(unsigned short per)
{
u16 pmux, ident = P_IDENT(portno);
u16 pmux, ident = P_IDENT(per), function = P_FUNCT2MUX(per);
u8 offset = pmux_offset[gpio_bank(ident)][gpio_sub_n(ident)];
pmux = *port_mux[gpio_bank(ident)];
@ -424,90 +341,71 @@ void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
unsigned long flags; \
local_irq_save_hw(flags); \
if (arg) \
gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \
gpio_array[gpio_bank(gpio)]->name |= gpio_bit(gpio); \
else \
gpio_bankb[gpio_bank(gpio)]->name &= ~gpio_bit(gpio); \
gpio_array[gpio_bank(gpio)]->name &= ~gpio_bit(gpio); \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
} \
EXPORT_SYMBOL(set_gpio_ ## name);
SET_GPIO(dir)
SET_GPIO(inen)
SET_GPIO(polar)
SET_GPIO(edge)
SET_GPIO(both)
SET_GPIO(dir) /* set_gpio_dir() */
SET_GPIO(inen) /* set_gpio_inen() */
SET_GPIO(polar) /* set_gpio_polar() */
SET_GPIO(edge) /* set_gpio_edge() */
SET_GPIO(both) /* set_gpio_both() */
#if ANOMALY_05000311 || ANOMALY_05000323
#define SET_GPIO_SC(name) \
void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
{ \
unsigned long flags; \
local_irq_save_hw(flags); \
if (ANOMALY_05000311 || ANOMALY_05000323) \
local_irq_save_hw(flags); \
if (arg) \
gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
gpio_array[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
else \
gpio_bankb[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
gpio_array[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
if (ANOMALY_05000311 || ANOMALY_05000323) { \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
} \
} \
EXPORT_SYMBOL(set_gpio_ ## name);
#else
#define SET_GPIO_SC(name) \
void set_gpio_ ## name(unsigned gpio, unsigned short arg) \
{ \
if (arg) \
gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \
else \
gpio_bankb[gpio_bank(gpio)]->name ## _clear = gpio_bit(gpio); \
} \
EXPORT_SYMBOL(set_gpio_ ## name);
#endif
SET_GPIO_SC(maska)
SET_GPIO_SC(maskb)
SET_GPIO_SC(data)
#if ANOMALY_05000311 || ANOMALY_05000323
void set_gpio_toggle(unsigned gpio)
{
unsigned long flags;
local_irq_save_hw(flags);
gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
AWA_DUMMY_READ(toggle);
local_irq_restore_hw(flags);
if (ANOMALY_05000311 || ANOMALY_05000323)
local_irq_save_hw(flags);
gpio_array[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
if (ANOMALY_05000311 || ANOMALY_05000323) {
AWA_DUMMY_READ(toggle);
local_irq_restore_hw(flags);
}
}
#else
void set_gpio_toggle(unsigned gpio)
{
gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
}
#endif
EXPORT_SYMBOL(set_gpio_toggle);
/*Set current PORT date (16-bit word)*/
#if ANOMALY_05000311 || ANOMALY_05000323
#define SET_GPIO_P(name) \
void set_gpiop_ ## name(unsigned gpio, unsigned short arg) \
{ \
unsigned long flags; \
local_irq_save_hw(flags); \
gpio_bankb[gpio_bank(gpio)]->name = arg; \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
if (ANOMALY_05000311 || ANOMALY_05000323) \
local_irq_save_hw(flags); \
gpio_array[gpio_bank(gpio)]->name = arg; \
if (ANOMALY_05000311 || ANOMALY_05000323) { \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
} \
} \
EXPORT_SYMBOL(set_gpiop_ ## name);
#else
#define SET_GPIO_P(name) \
void set_gpiop_ ## name(unsigned gpio, unsigned short arg) \
{ \
gpio_bankb[gpio_bank(gpio)]->name = arg; \
} \
EXPORT_SYMBOL(set_gpiop_ ## name);
#endif
SET_GPIO_P(data)
SET_GPIO_P(dir)
@ -519,27 +417,21 @@ SET_GPIO_P(maska)
SET_GPIO_P(maskb)
/* Get a specific bit */
#if ANOMALY_05000311 || ANOMALY_05000323
#define GET_GPIO(name) \
unsigned short get_gpio_ ## name(unsigned gpio) \
{ \
unsigned long flags; \
unsigned short ret; \
local_irq_save_hw(flags); \
ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->name >> gpio_sub_n(gpio)); \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
if (ANOMALY_05000311 || ANOMALY_05000323) \
local_irq_save_hw(flags); \
ret = 0x01 & (gpio_array[gpio_bank(gpio)]->name >> gpio_sub_n(gpio)); \
if (ANOMALY_05000311 || ANOMALY_05000323) { \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
} \
return ret; \
} \
EXPORT_SYMBOL(get_gpio_ ## name);
#else
#define GET_GPIO(name) \
unsigned short get_gpio_ ## name(unsigned gpio) \
{ \
return (0x01 & (gpio_bankb[gpio_bank(gpio)]->name >> gpio_sub_n(gpio))); \
} \
EXPORT_SYMBOL(get_gpio_ ## name);
#endif
GET_GPIO(data)
GET_GPIO(dir)
@ -552,27 +444,21 @@ GET_GPIO(maskb)
/*Get current PORT date (16-bit word)*/
#if ANOMALY_05000311 || ANOMALY_05000323
#define GET_GPIO_P(name) \
unsigned short get_gpiop_ ## name(unsigned gpio) \
{ \
unsigned long flags; \
unsigned short ret; \
local_irq_save_hw(flags); \
ret = (gpio_bankb[gpio_bank(gpio)]->name); \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
if (ANOMALY_05000311 || ANOMALY_05000323) \
local_irq_save_hw(flags); \
ret = (gpio_array[gpio_bank(gpio)]->name); \
if (ANOMALY_05000311 || ANOMALY_05000323) { \
AWA_DUMMY_READ(name); \
local_irq_restore_hw(flags); \
} \
return ret; \
} \
EXPORT_SYMBOL(get_gpiop_ ## name);
#else
#define GET_GPIO_P(name) \
unsigned short get_gpiop_ ## name(unsigned gpio) \
{ \
return (gpio_bankb[gpio_bank(gpio)]->name);\
} \
EXPORT_SYMBOL(get_gpiop_ ## name);
#endif
GET_GPIO_P(data)
GET_GPIO_P(dir)
@ -585,6 +471,26 @@ GET_GPIO_P(maskb)
#ifdef CONFIG_PM
static unsigned short wakeup_map[GPIO_BANK_NUM];
static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
static const unsigned int sic_iwr_irqs[] = {
#if defined(BF533_FAMILY)
IRQ_PROG_INTB
#elif defined(BF537_FAMILY)
IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX
#elif defined(BF538_FAMILY)
IRQ_PORTF_INTB
#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB
#elif defined(BF561_FAMILY)
IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB
#else
# error no SIC_IWR defined
#endif
};
/***********************************************************
*
* FUNCTIONS: Blackfin PM Setup API
@ -669,18 +575,18 @@ u32 bfin_pm_standby_setup(void)
mask = wakeup_map[gpio_bank(i)];
bank = gpio_bank(i);
gpio_bank_saved[bank].maskb = gpio_bankb[bank]->maskb;
gpio_bankb[bank]->maskb = 0;
gpio_bank_saved[bank].maskb = gpio_array[bank]->maskb;
gpio_array[bank]->maskb = 0;
if (mask) {
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
gpio_bank_saved[bank].fer = *port_fer[bank];
#endif
gpio_bank_saved[bank].inen = gpio_bankb[bank]->inen;
gpio_bank_saved[bank].polar = gpio_bankb[bank]->polar;
gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir;
gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge;
gpio_bank_saved[bank].both = gpio_bankb[bank]->both;
gpio_bank_saved[bank].inen = gpio_array[bank]->inen;
gpio_bank_saved[bank].polar = gpio_array[bank]->polar;
gpio_bank_saved[bank].dir = gpio_array[bank]->dir;
gpio_bank_saved[bank].edge = gpio_array[bank]->edge;
gpio_bank_saved[bank].both = gpio_array[bank]->both;
gpio_bank_saved[bank].reserved =
reserved_gpio_map[bank];
@ -700,7 +606,7 @@ u32 bfin_pm_standby_setup(void)
}
bfin_internal_set_wake(sic_iwr_irqs[bank], 1);
gpio_bankb[bank]->maskb_set = wakeup_map[gpio_bank(i)];
gpio_array[bank]->maskb_set = wakeup_map[gpio_bank(i)];
}
}
@ -721,18 +627,18 @@ void bfin_pm_standby_restore(void)
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_bankb[bank]->inen = gpio_bank_saved[bank].inen;
gpio_bankb[bank]->dir = gpio_bank_saved[bank].dir;
gpio_bankb[bank]->polar = gpio_bank_saved[bank].polar;
gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge;
gpio_bankb[bank]->both = gpio_bank_saved[bank].both;
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
gpio_array[bank]->dir = gpio_bank_saved[bank].dir;
gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
gpio_array[bank]->edge = gpio_bank_saved[bank].edge;
gpio_array[bank]->both = gpio_bank_saved[bank].both;
reserved_gpio_map[bank] =
gpio_bank_saved[bank].reserved;
bfin_internal_set_wake(sic_iwr_irqs[bank], 0);
}
gpio_bankb[bank]->maskb = gpio_bank_saved[bank].maskb;
gpio_array[bank]->maskb = gpio_bank_saved[bank].maskb;
}
AWA_DUMMY_READ(maskb);
}
@ -745,21 +651,21 @@ void bfin_gpio_pm_hibernate_suspend(void)
bank = gpio_bank(i);
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
gpio_bank_saved[bank].fer = *port_fer[bank];
gpio_bank_saved[bank].fer = *port_fer[bank];
#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
gpio_bank_saved[bank].mux = *port_mux[bank];
gpio_bank_saved[bank].mux = *port_mux[bank];
#else
if (bank == 0)
gpio_bank_saved[bank].mux = bfin_read_PORT_MUX();
if (bank == 0)
gpio_bank_saved[bank].mux = bfin_read_PORT_MUX();
#endif
#endif
gpio_bank_saved[bank].data = gpio_bankb[bank]->data;
gpio_bank_saved[bank].inen = gpio_bankb[bank]->inen;
gpio_bank_saved[bank].polar = gpio_bankb[bank]->polar;
gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir;
gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge;
gpio_bank_saved[bank].both = gpio_bankb[bank]->both;
gpio_bank_saved[bank].maska = gpio_bankb[bank]->maska;
gpio_bank_saved[bank].data = gpio_array[bank]->data;
gpio_bank_saved[bank].inen = gpio_array[bank]->inen;
gpio_bank_saved[bank].polar = gpio_array[bank]->polar;
gpio_bank_saved[bank].dir = gpio_array[bank]->dir;
gpio_bank_saved[bank].edge = gpio_array[bank]->edge;
gpio_bank_saved[bank].both = gpio_array[bank]->both;
gpio_bank_saved[bank].maska = gpio_array[bank]->maska;
}
AWA_DUMMY_READ(maska);
@ -770,27 +676,27 @@ void bfin_gpio_pm_hibernate_restore(void)
int i, bank;
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
bank = gpio_bank(i);
#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
*port_mux[bank] = gpio_bank_saved[bank].mux;
*port_mux[bank] = gpio_bank_saved[bank].mux;
#else
if (bank == 0)
bfin_write_PORT_MUX(gpio_bank_saved[bank].mux);
if (bank == 0)
bfin_write_PORT_MUX(gpio_bank_saved[bank].mux);
#endif
*port_fer[bank] = gpio_bank_saved[bank].fer;
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_bankb[bank]->inen = gpio_bank_saved[bank].inen;
gpio_bankb[bank]->dir = gpio_bank_saved[bank].dir;
gpio_bankb[bank]->polar = gpio_bank_saved[bank].polar;
gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge;
gpio_bankb[bank]->both = gpio_bank_saved[bank].both;
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
gpio_array[bank]->dir = gpio_bank_saved[bank].dir;
gpio_array[bank]->polar = gpio_bank_saved[bank].polar;
gpio_array[bank]->edge = gpio_bank_saved[bank].edge;
gpio_array[bank]->both = gpio_bank_saved[bank].both;
gpio_bankb[bank]->data_set = gpio_bank_saved[bank].data
| gpio_bank_saved[bank].dir;
gpio_array[bank]->data_set = gpio_bank_saved[bank].data
| gpio_bank_saved[bank].dir;
gpio_bankb[bank]->maska = gpio_bank_saved[bank].maska;
gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
}
AWA_DUMMY_READ(maska);
}
@ -817,12 +723,12 @@ void bfin_gpio_pm_hibernate_suspend(void)
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
gpio_bank_saved[bank].fer = gpio_array[bank]->port_fer;
gpio_bank_saved[bank].mux = gpio_array[bank]->port_mux;
gpio_bank_saved[bank].data = gpio_array[bank]->port_data;
gpio_bank_saved[bank].data = gpio_array[bank]->port_data;
gpio_bank_saved[bank].inen = gpio_array[bank]->port_inen;
gpio_bank_saved[bank].dir = gpio_array[bank]->port_dir_set;
gpio_bank_saved[bank].fer = gpio_array[bank]->port_fer;
gpio_bank_saved[bank].mux = gpio_array[bank]->port_mux;
gpio_bank_saved[bank].data = gpio_array[bank]->data;
gpio_bank_saved[bank].data = gpio_array[bank]->data;
gpio_bank_saved[bank].inen = gpio_array[bank]->inen;
gpio_bank_saved[bank].dir = gpio_array[bank]->dir_set;
}
}
@ -831,21 +737,21 @@ void bfin_gpio_pm_hibernate_restore(void)
int i, bank;
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
bank = gpio_bank(i);
gpio_array[bank]->port_mux = gpio_bank_saved[bank].mux;
gpio_array[bank]->port_fer = gpio_bank_saved[bank].fer;
gpio_array[bank]->port_inen = gpio_bank_saved[bank].inen;
gpio_array[bank]->port_dir_set = gpio_bank_saved[bank].dir;
gpio_array[bank]->port_set = gpio_bank_saved[bank].data
| gpio_bank_saved[bank].dir;
gpio_array[bank]->port_mux = gpio_bank_saved[bank].mux;
gpio_array[bank]->port_fer = gpio_bank_saved[bank].fer;
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
gpio_array[bank]->dir_set = gpio_bank_saved[bank].dir;
gpio_array[bank]->data_set = gpio_bank_saved[bank].data
| gpio_bank_saved[bank].dir;
}
}
#endif
unsigned short get_gpio_dir(unsigned gpio)
{
return (0x01 & (gpio_array[gpio_bank(gpio)]->port_dir_clear >> gpio_sub_n(gpio)));
return (0x01 & (gpio_array[gpio_bank(gpio)]->dir_clear >> gpio_sub_n(gpio)));
}
EXPORT_SYMBOL(get_gpio_dir);
@ -905,9 +811,7 @@ int peripheral_request(unsigned short per, const char *label)
*/
#ifdef BF548_FAMILY
u16 funct = get_portmux(ident);
if (!((per & P_MAYSHARE) && (funct == P_FUNCT2MUX(per)))) {
if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
#else
if (!(per & P_MAYSHARE)) {
#endif
@ -931,11 +835,7 @@ int peripheral_request(unsigned short per, const char *label)
anyway:
reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident);
#ifdef BF548_FAMILY
portmux_setup(ident, P_FUNCT2MUX(per));
#else
portmux_setup(per, P_FUNCT2MUX(per));
#endif
portmux_setup(per);
port_setup(ident, PERIPHERAL_USAGE);
local_irq_restore_hw(flags);
@ -1163,92 +1063,15 @@ void bfin_gpio_irq_free(unsigned gpio)
local_irq_restore_hw(flags);
}
static inline void __bfin_gpio_direction_input(unsigned gpio)
{
#ifdef BF548_FAMILY
int bfin_gpio_direction_input(unsigned gpio)
{
unsigned long flags;
if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
gpio_error(gpio);
return -EINVAL;
}
local_irq_save_hw(flags);
gpio_array[gpio_bank(gpio)]->port_dir_clear = gpio_bit(gpio);
gpio_array[gpio_bank(gpio)]->port_inen |= gpio_bit(gpio);
local_irq_restore_hw(flags);
return 0;
}
EXPORT_SYMBOL(bfin_gpio_direction_input);
int bfin_gpio_direction_output(unsigned gpio, int value)
{
unsigned long flags;
if (!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
gpio_error(gpio);
return -EINVAL;
}
local_irq_save_hw(flags);
gpio_array[gpio_bank(gpio)]->port_inen &= ~gpio_bit(gpio);
gpio_set_value(gpio, value);
gpio_array[gpio_bank(gpio)]->port_dir_set = gpio_bit(gpio);
local_irq_restore_hw(flags);
return 0;
}
EXPORT_SYMBOL(bfin_gpio_direction_output);
void bfin_gpio_set_value(unsigned gpio, int arg)
{
if (arg)
gpio_array[gpio_bank(gpio)]->port_set = gpio_bit(gpio);
else
gpio_array[gpio_bank(gpio)]->port_clear = gpio_bit(gpio);
}
EXPORT_SYMBOL(bfin_gpio_set_value);
int bfin_gpio_get_value(unsigned gpio)
{
return (1 & (gpio_array[gpio_bank(gpio)]->port_data >> gpio_sub_n(gpio)));
}
EXPORT_SYMBOL(bfin_gpio_get_value);
void bfin_gpio_irq_prepare(unsigned gpio)
{
unsigned long flags;
port_setup(gpio, GPIO_USAGE);
local_irq_save_hw(flags);
gpio_array[gpio_bank(gpio)]->port_dir_clear = gpio_bit(gpio);
gpio_array[gpio_bank(gpio)]->port_inen |= gpio_bit(gpio);
local_irq_restore_hw(flags);
}
gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
#else
int bfin_gpio_get_value(unsigned gpio)
{
unsigned long flags;
int ret;
if (unlikely(get_gpio_edge(gpio))) {
local_irq_save_hw(flags);
set_gpio_edge(gpio, 0);
ret = get_gpio_data(gpio);
set_gpio_edge(gpio, 1);
local_irq_restore_hw(flags);
return ret;
} else
return get_gpio_data(gpio);
gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
#endif
gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
}
EXPORT_SYMBOL(bfin_gpio_get_value);
int bfin_gpio_direction_input(unsigned gpio)
{
@ -1260,8 +1083,7 @@ int bfin_gpio_direction_input(unsigned gpio)
}
local_irq_save_hw(flags);
gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
gpio_bankb[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
__bfin_gpio_direction_input(gpio);
AWA_DUMMY_READ(inen);
local_irq_restore_hw(flags);
@ -1269,6 +1091,30 @@ int bfin_gpio_direction_input(unsigned gpio)
}
EXPORT_SYMBOL(bfin_gpio_direction_input);
void bfin_gpio_irq_prepare(unsigned gpio)
{
#ifdef BF548_FAMILY
unsigned long flags;
#endif
port_setup(gpio, GPIO_USAGE);
#ifdef BF548_FAMILY
local_irq_save_hw(flags);
__bfin_gpio_direction_input(gpio);
local_irq_restore_hw(flags);
#endif
}
void bfin_gpio_set_value(unsigned gpio, int arg)
{
if (arg)
gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
else
gpio_array[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
}
EXPORT_SYMBOL(bfin_gpio_set_value);
int bfin_gpio_direction_output(unsigned gpio, int value)
{
unsigned long flags;
@ -1279,14 +1125,15 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
}
local_irq_save_hw(flags);
gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
if (value)
gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
else
gpio_bankb[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
gpio_set_value(gpio, value);
#ifdef BF548_FAMILY
gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
#endif
gpio_bankb[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
AWA_DUMMY_READ(dir);
local_irq_restore_hw(flags);
@ -1294,6 +1141,27 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
}
EXPORT_SYMBOL(bfin_gpio_direction_output);
int bfin_gpio_get_value(unsigned gpio)
{
#ifdef BF548_FAMILY
return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
#else
unsigned long flags;
if (unlikely(get_gpio_edge(gpio))) {
int ret;
local_irq_save_hw(flags);
set_gpio_edge(gpio, 0);
ret = get_gpio_data(gpio);
set_gpio_edge(gpio, 1);
local_irq_restore_hw(flags);
return ret;
} else
return get_gpio_data(gpio);
#endif
}
EXPORT_SYMBOL(bfin_gpio_get_value);
/* If we are booting from SPI and our board lacks a strong enough pull up,
* the core can reset and execute the bootrom faster than the resistor can
* pull the signal logically high. To work around this (common) error in
@ -1309,18 +1177,11 @@ void bfin_gpio_reset_spi0_ssel1(void)
u16 gpio = P_IDENT(P_SPI0_SSEL1);
port_setup(gpio, GPIO_USAGE);
gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
AWA_DUMMY_READ(data_set);
udelay(1);
}
void bfin_gpio_irq_prepare(unsigned gpio)
{
port_setup(gpio, GPIO_USAGE);
}
#endif /*BF548_FAMILY */
#if defined(CONFIG_PROC_FS)
static int gpio_proc_read(char *buf, char **start, off_t offset,
int len, int *unused_i, void *unused_v)
@ -1374,11 +1235,7 @@ int bfin_gpiolib_get_value(struct gpio_chip *chip, unsigned gpio)
void bfin_gpiolib_set_value(struct gpio_chip *chip, unsigned gpio, int value)
{
#ifdef BF548_FAMILY
return bfin_gpio_set_value(gpio, value);
#else
return set_gpio_data(gpio, value);
#endif
}
int bfin_gpiolib_gpio_request(struct gpio_chip *chip, unsigned gpio)

12
arch/blackfin/mach-bf548/include/mach/gpio.h
View File

@ -195,17 +195,17 @@
struct gpio_port_t {
unsigned short port_fer;
unsigned short dummy1;
unsigned short port_data;
unsigned short data;
unsigned short dummy2;
unsigned short port_set;
unsigned short data_set;
unsigned short dummy3;
unsigned short port_clear;
unsigned short data_clear;
unsigned short dummy4;
unsigned short port_dir_set;
unsigned short dir_set;
unsigned short dummy5;
unsigned short port_dir_clear;
unsigned short dir_clear;
unsigned short dummy6;
unsigned short port_inen;
unsigned short inen;
unsigned short dummy7;
unsigned int port_mux;
};