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Diffstat (limited to 'arch/avr32/mach-at32ap')
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c21
-rw-r--r--arch/avr32/mach-at32ap/clock.h3
-rw-r--r--arch/avr32/mach-at32ap/include/mach/at32ap700x.h3
-rw-r--r--arch/avr32/mach-at32ap/include/mach/portmux.h2
-rw-r--r--arch/avr32/mach-at32ap/pio.c19
5 files changed, 26 insertions, 22 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 066252eebf6..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;
@@ -1305,7 +1305,7 @@ struct platform_device *__init
at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
struct platform_device *pdev;
- struct dw_dma_slave *dws;
+ struct dw_dma_slave *dws = &data->dma_slave;
u32 pioa_mask;
u32 piob_mask;
@@ -1324,22 +1324,13 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
ARRAY_SIZE(atmel_mci0_resource)))
goto fail;
- if (data->dma_slave)
- dws = kmemdup(to_dw_dma_slave(data->dma_slave),
- sizeof(struct dw_dma_slave), GFP_KERNEL);
- else
- dws = kzalloc(sizeof(struct dw_dma_slave), GFP_KERNEL);
-
- dws->slave.dev = &pdev->dev;
- dws->slave.dma_dev = &dw_dmac0_device.dev;
- dws->slave.reg_width = DMA_SLAVE_WIDTH_32BIT;
+ dws->dma_dev = &dw_dmac0_device.dev;
+ dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
dws->cfg_hi = (DWC_CFGH_SRC_PER(0)
| DWC_CFGH_DST_PER(1));
dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL
| DWC_CFGL_HS_SRC_POL);
- data->dma_slave = &dws->slave;
-
if (platform_device_add_data(pdev, data,
sizeof(struct mci_platform_data)))
goto fail;
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: