diff options
Diffstat (limited to 'arch/avr32/mach-at32ap')
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c | 6 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/clock.c | 4 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/clock.h | 3 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/at32ap700x.h | 3 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/portmux.h | 2 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/pio.c | 19 |
6 files changed, 25 insertions, 12 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 414f174e38c..3fbfd1e32a9 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -15,8 +15,8 @@ #include <linux/gpio.h> #include <linux/spi/spi.h> #include <linux/usb/atmel_usba_udc.h> +#include <linux/atmel-mci.h> -#include <asm/atmel-mci.h> #include <asm/io.h> #include <asm/irq.h> @@ -421,7 +421,7 @@ static unsigned long hsb_clk_get_rate(struct clk *clk) return bus_clk_get_rate(clk, shift); } -static void pba_clk_mode(struct clk *clk, int enabled) +void pba_clk_mode(struct clk *clk, int enabled) { unsigned long flags; u32 mask; @@ -436,7 +436,7 @@ static void pba_clk_mode(struct clk *clk, int enabled) spin_unlock_irqrestore(&pm_lock, flags); } -static unsigned long pba_clk_get_rate(struct clk *clk) +unsigned long pba_clk_get_rate(struct clk *clk) { unsigned long cksel, shift = 0; diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 138a00a2a2d..442f08c5e64 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -198,7 +198,7 @@ dump_clock(struct clk *parent, struct clkinf *r) unsigned i; /* skip clocks coupled to devices that aren't registered */ - if (parent->dev && !parent->dev->bus_id[0] && !parent->users) + if (parent->dev && !dev_name(parent->dev) && !parent->users) return; /* <nest spaces> name <pad to end> */ @@ -214,7 +214,7 @@ dump_clock(struct clk *parent, struct clkinf *r) parent->users ? "on" : "off", /* NOTE: not-paranoid!! */ clk_get_rate(parent)); if (parent->dev) - seq_printf(r->s, ", for %s", parent->dev->bus_id); + seq_printf(r->s, ", for %s", dev_name(parent->dev)); seq_printf(r->s, "\n"); /* cost of this scan is small, but not linear... */ diff --git a/arch/avr32/mach-at32ap/clock.h b/arch/avr32/mach-at32ap/clock.h index 623bf0e9a1e..4c7ebbdc6df 100644 --- a/arch/avr32/mach-at32ap/clock.h +++ b/arch/avr32/mach-at32ap/clock.h @@ -30,3 +30,6 @@ struct clk { u16 users; /* Enabled if non-zero */ u16 index; /* Sibling index */ }; + +unsigned long pba_clk_get_rate(struct clk *clk); +void pba_clk_mode(struct clk *clk, int enabled); diff --git a/arch/avr32/mach-at32ap/include/mach/at32ap700x.h b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h index a77d372f6f3..5c4c971eed8 100644 --- a/arch/avr32/mach-at32ap/include/mach/at32ap700x.h +++ b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h @@ -211,4 +211,7 @@ #define ATMEL_LCDC_ALT_15BIT (ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_15B_DATA) +/* Bitmask for all EBI data (D16..D31) pins on port E */ +#define ATMEL_EBI_PE_DATA_ALL (0x0000FFFF) + #endif /* __ASM_ARCH_AT32AP700X_H__ */ diff --git a/arch/avr32/mach-at32ap/include/mach/portmux.h b/arch/avr32/mach-at32ap/include/mach/portmux.h index 21c79373b53..4873024e3b9 100644 --- a/arch/avr32/mach-at32ap/include/mach/portmux.h +++ b/arch/avr32/mach-at32ap/include/mach/portmux.h @@ -25,6 +25,6 @@ void at32_select_periph(unsigned int port, unsigned int pin, unsigned int periph, unsigned long flags); void at32_select_gpio(unsigned int pin, unsigned long flags); void at32_deselect_pin(unsigned int pin); -void at32_reserve_pin(unsigned int pin); +void at32_reserve_pin(unsigned int port, u32 pin_mask); #endif /* __ASM_ARCH_PORTMUX_H__ */ diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c index ed81a8bcb22..09a274c9d0b 100644 --- a/arch/avr32/mach-at32ap/pio.c +++ b/arch/avr32/mach-at32ap/pio.c @@ -167,22 +167,29 @@ void at32_deselect_pin(unsigned int pin) } /* Reserve a pin, preventing anyone else from changing its configuration. */ -void __init at32_reserve_pin(unsigned int pin) +void __init at32_reserve_pin(unsigned int port, u32 pin_mask) { struct pio_device *pio; - unsigned int pin_index = pin & 0x1f; - pio = gpio_to_pio(pin); + /* assign and verify pio */ + pio = gpio_to_pio(port); if (unlikely(!pio)) { - printk("pio: invalid pin %u\n", pin); + printk(KERN_WARNING "pio: invalid port %u\n", port); goto fail; } - if (unlikely(test_and_set_bit(pin_index, &pio->pinmux_mask))) { - printk("%s: pin %u is busy\n", pio->name, pin_index); + /* Test if any of the requested pins is already muxed */ + spin_lock(&pio_lock); + if (unlikely(pio->pinmux_mask & pin_mask)) { + printk(KERN_WARNING "%s: pin(s) busy (req. 0x%x, busy 0x%x)\n", + pio->name, pin_mask, pio->pinmux_mask & pin_mask); + spin_unlock(&pio_lock); goto fail; } + /* Reserve pins */ + pio->pinmux_mask |= pin_mask; + spin_unlock(&pio_lock); return; fail: |