#define AWA_DUMMY_READ(...) do { } while (0)
#endif
-#ifdef BF533_FAMILY
-static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+#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)
-static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+static struct gpio_port_t *gpio_bankb[] = {
(struct gpio_port_t *) PORTFIO,
(struct gpio_port_t *) PORTGIO,
(struct gpio_port_t *) PORTHIO,
};
-static unsigned short *port_fer[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+static unsigned short *port_fer[] = {
(unsigned short *) PORTF_FER,
(unsigned short *) PORTG_FER,
(unsigned short *) PORTH_FER,
};
#endif
-#ifdef BF527_FAMILY
-static unsigned short *port_mux[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
+static unsigned short *port_mux[] = {
(unsigned short *) PORTF_MUX,
(unsigned short *) PORTG_MUX,
(unsigned short *) PORTH_MUX,
#endif
#ifdef BF561_FAMILY
-static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+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[gpio_bank(MAX_BLACKFIN_GPIOS)] = {
+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,
};
#endif
-static unsigned short reserved_gpio_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
+static unsigned short reserved_gpio_map[GPIO_BANK_NUM];
static unsigned short reserved_peri_map[gpio_bank(MAX_RESOURCES)];
#define RESOURCE_LABEL_SIZE 16
#if defined(CONFIG_PM)
#if defined(CONFIG_BF54x)
-static struct gpio_port_s gpio_bank_saved[gpio_bank(MAX_BLACKFIN_GPIOS)];
+static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
#else
-static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
+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(MAX_BLACKFIN_GPIOS)];
+static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
#ifdef BF533_FAMILY
-static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG_INTB};
+static unsigned int sic_iwr_irqs[] = {IRQ_PROG_INTB};
#endif
#ifdef BF537_FAMILY
-static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX};
+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
-#ifdef BF527_FAMILY
-static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB};
+#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[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB};
+static unsigned int sic_iwr_irqs[] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB};
#endif
#endif
#endif /* CONFIG_PM */
-#if defined(BF548_FAMILY)
inline int check_gpio(unsigned gpio)
{
+#if defined(BF548_FAMILY)
if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15
|| gpio == GPIO_PH14 || gpio == GPIO_PH15
- || gpio == GPIO_PJ14 || gpio == GPIO_PJ15
- || gpio >= MAX_BLACKFIN_GPIOS)
+ || gpio == GPIO_PJ14 || gpio == GPIO_PJ15)
return -EINVAL;
- return 0;
-}
-#else
-inline int check_gpio(unsigned gpio)
-{
+#endif
if (gpio >= MAX_BLACKFIN_GPIOS)
return -EINVAL;
return 0;
}
-#endif
static void gpio_error(unsigned gpio)
{
}
if (label)
- return strncmp(str_ident[ident].name,
- label, strlen(label));
+ return strcmp(str_ident[ident].name, label);
else
return -EINVAL;
}
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
static void port_setup(unsigned gpio, unsigned short usage)
{
- if (!check_gpio(gpio)) {
- if (usage == GPIO_USAGE)
- *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio);
- else
- *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
- SSYNC();
- }
-}
+ if (check_gpio(gpio))
+ return;
+
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+ if (usage == GPIO_USAGE)
+ *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio);
+ else
+ *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
+ SSYNC();
#elif defined(BF548_FAMILY)
-static void port_setup(unsigned gpio, unsigned short usage)
-{
if (usage == GPIO_USAGE)
gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio);
else
gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
SSYNC();
-}
-#else
-# define port_setup(...) do { } while (0)
#endif
+}
#ifdef BF537_FAMILY
static struct {
return (pmux >> (2 * gpio_sub_n(portno)) & 0x3);
}
-#elif defined(BF527_FAMILY)
+#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
inline void portmux_setup(unsigned short portno, unsigned short function)
{
u16 pmux, ident = P_IDENT(portno);
gpio_bankb[bank]->maskb = 0;
if (mask) {
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+#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;
bank = gpio_bank(i);
if (mask) {
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+#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;
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
gpio_bank_saved[bank].fer = *port_fer[bank];
-#ifdef BF527_FAMILY
+#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
gpio_bank_saved[bank].mux = *port_mux[bank];
#else
if (bank == 0)
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
-#ifdef BF527_FAMILY
+#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;
#else
if (bank == 0)
* MODIFICATION HISTORY :
**************************************************************/
-#ifdef BF548_FAMILY
int peripheral_request(unsigned short per, const char *label)
{
unsigned long flags;
if (!(per & P_DEFINED))
return -ENODEV;
- if (check_gpio(ident) < 0)
- return -EINVAL;
-
local_irq_save(flags);
- if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) {
+ /* If a pin can be muxed as either GPIO or peripheral, make
+ * sure it is not already a GPIO pin when we request it.
+ */
+ if (unlikely(!check_gpio(ident) &&
+ reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) {
dump_stack();
printk(KERN_ERR
- "%s: Peripheral %d is already reserved as GPIO by %s !\n",
+ "%s: Peripheral %d is already reserved as GPIO by %s !\n",
__func__, ident, get_label(ident));
local_irq_restore(flags);
return -EBUSY;
if (unlikely(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident))) {
- u16 funct = get_portmux(ident);
-
/*
* Pin functions like AMC address strobes my
* be requested and used by several drivers
*/
- if (!((per & P_MAYSHARE) && (funct == P_FUNCT2MUX(per)))) {
+#ifdef BF548_FAMILY
+ u16 funct = get_portmux(ident);
+ if (!((per & P_MAYSHARE) && (funct == P_FUNCT2MUX(per)))) {
+#else
+ if (!(per & P_MAYSHARE)) {
+#endif
/*
* Allow that the identical pin function can
* be requested from the same driver twice
anyway:
reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident);
+#ifdef BF548_FAMILY
portmux_setup(ident, P_FUNCT2MUX(per));
- port_setup(ident, PERIPHERAL_USAGE);
-
- local_irq_restore(flags);
- set_label(ident, label);
-
- return 0;
-}
-EXPORT_SYMBOL(peripheral_request);
#else
-
-int peripheral_request(unsigned short per, const char *label)
-{
- unsigned long flags;
- unsigned short ident = P_IDENT(per);
-
- /*
- * Don't cares are pins with only one dedicated function
- */
-
- if (per & P_DONTCARE)
- return 0;
-
- if (!(per & P_DEFINED))
- return -ENODEV;
-
- local_irq_save(flags);
-
- if (!check_gpio(ident)) {
-
- if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) {
- dump_stack();
- printk(KERN_ERR
- "%s: Peripheral %d is already reserved as GPIO by %s !\n",
- __func__, ident, get_label(ident));
- local_irq_restore(flags);
- return -EBUSY;
- }
-
- }
-
- if (unlikely(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident))) {
-
- /*
- * Pin functions like AMC address strobes my
- * be requested and used by several drivers
- */
-
- if (!(per & P_MAYSHARE)) {
-
- /*
- * Allow that the identical pin function can
- * be requested from the same driver twice
- */
-
- if (cmp_label(ident, label) == 0)
- goto anyway;
-
- dump_stack();
- printk(KERN_ERR
- "%s: Peripheral %d function %d is already"
- " reserved by %s !\n",
- __func__, ident, P_FUNCT2MUX(per),
- get_label(ident));
- local_irq_restore(flags);
- return -EBUSY;
- }
-
- }
-
- anyway:
portmux_setup(per, P_FUNCT2MUX(per));
-
+#endif
port_setup(ident, PERIPHERAL_USAGE);
- reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident);
local_irq_restore(flags);
set_label(ident, label);
return 0;
}
EXPORT_SYMBOL(peripheral_request);
-#endif
int peripheral_request_list(const unsigned short per[], const char *label)
{