AVR32: Add clk and gpio infrastructure for macb0 and macb1

Implement functions for configuring the macb0 and macb1 pins, as
well as functions for getting the clock rate of the various
busses the macb ethernet controllers are connected to.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

3 files changed, 60 insertions, 0 deletions

diff --git a/cpu/at32ap/at32ap7000/gpio.c b/cpu/at32ap/at32ap7000/gpio.c
index a5d3ea65d9..cab5bf0dd1 100644
--- a/cpu/at32ap/at32ap7000/gpio.c
+++ b/cpu/at32ap/at32ap7000/gpio.c
@@ -75,3 +75,53 @@ void gpio_enable_usart3(void)
 	gpio_select_periph_B(GPIO_PIN_PB18, 0);
 	gpio_select_periph_B(GPIO_PIN_PB19, 0);
 }
+
+void gpio_enable_macb0(void)
+{
+	gpio_select_periph_A(GPIO_PIN_PC3,  0);	/* TXD0	*/
+	gpio_select_periph_A(GPIO_PIN_PC4,  0);	/* TXD1	*/
+	gpio_select_periph_A(GPIO_PIN_PC7,  0);	/* TXEN	*/
+	gpio_select_periph_A(GPIO_PIN_PC8,  0);	/* TXCK */
+	gpio_select_periph_A(GPIO_PIN_PC9,  0);	/* RXD0	*/
+	gpio_select_periph_A(GPIO_PIN_PC10, 0);	/* RXD1	*/
+	gpio_select_periph_A(GPIO_PIN_PC13, 0);	/* RXER	*/
+	gpio_select_periph_A(GPIO_PIN_PC15, 0);	/* RXDV	*/
+	gpio_select_periph_A(GPIO_PIN_PC16, 0);	/* MDC	*/
+	gpio_select_periph_A(GPIO_PIN_PC17, 0);	/* MDIO	*/
+#if !defined(CONFIG_RMII)
+	gpio_select_periph_A(GPIO_PIN_PC0,  0);	/* COL	*/
+	gpio_select_periph_A(GPIO_PIN_PC1,  0);	/* CRS	*/
+	gpio_select_periph_A(GPIO_PIN_PC2,  0);	/* TXER	*/
+	gpio_select_periph_A(GPIO_PIN_PC5,  0);	/* TXD2	*/
+	gpio_select_periph_A(GPIO_PIN_PC6,  0);	/* TXD3 */
+	gpio_select_periph_A(GPIO_PIN_PC11, 0);	/* RXD2	*/
+	gpio_select_periph_A(GPIO_PIN_PC12, 0);	/* RXD3	*/
+	gpio_select_periph_A(GPIO_PIN_PC14, 0);	/* RXCK	*/
+	gpio_select_periph_A(GPIO_PIN_PC18, 0);	/* SPD	*/
+#endif
+}
+
+void gpio_enable_macb1(void)
+{
+	gpio_select_periph_B(GPIO_PIN_PD13, 0);	/* TXD0	*/
+	gpio_select_periph_B(GPIO_PIN_PD14, 0);	/* TXD1	*/
+	gpio_select_periph_B(GPIO_PIN_PD11, 0);	/* TXEN	*/
+	gpio_select_periph_B(GPIO_PIN_PD12, 0);	/* TXCK */
+	gpio_select_periph_B(GPIO_PIN_PD10, 0);	/* RXD0	*/
+	gpio_select_periph_B(GPIO_PIN_PD6,  0);	/* RXD1	*/
+	gpio_select_periph_B(GPIO_PIN_PD5,  0);	/* RXER	*/
+	gpio_select_periph_B(GPIO_PIN_PD4,  0);	/* RXDV	*/
+	gpio_select_periph_B(GPIO_PIN_PD3,  0);	/* MDC	*/
+	gpio_select_periph_B(GPIO_PIN_PD2,  0);	/* MDIO	*/
+#if !defined(CONFIG_RMII)
+	gpio_select_periph_B(GPIO_PIN_PC19, 0);	/* COL	*/
+	gpio_select_periph_B(GPIO_PIN_PC23, 0);	/* CRS	*/
+	gpio_select_periph_B(GPIO_PIN_PC26, 0);	/* TXER	*/
+	gpio_select_periph_B(GPIO_PIN_PC27, 0);	/* TXD2	*/
+	gpio_select_periph_B(GPIO_PIN_PC28, 0);	/* TXD3 */
+	gpio_select_periph_B(GPIO_PIN_PC29, 0);	/* RXD2	*/
+	gpio_select_periph_B(GPIO_PIN_PC30, 0);	/* RXD3	*/
+	gpio_select_periph_B(GPIO_PIN_PC24, 0);	/* RXCK	*/
+	gpio_select_periph_B(GPIO_PIN_PD15, 0);	/* SPD	*/
+#endif
+}
diff --git a/include/asm-avr32/arch-at32ap7000/clk.h b/include/asm-avr32/arch-at32ap7000/clk.h
index 4a25b17ad4..1ca5b48955 100644
--- a/include/asm-avr32/arch-at32ap7000/clk.h
+++ b/include/asm-avr32/arch-at32ap7000/clk.h
@@ -54,5 +54,13 @@ static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
 {
 	return get_pba_clk_rate();
 }
+static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
+{
+	return get_pbb_clk_rate();
+}
+static inline unsigned long get_macb_hclk_rate(unsigned int dev_id)
+{
+	return get_hsb_clk_rate();
+}
 
 #endif /* __ASM_AVR32_ARCH_CLK_H__ */
diff --git a/include/asm-avr32/arch-at32ap7000/gpio.h b/include/asm-avr32/arch-at32ap7000/gpio.h
index adec2083f2..ca966e1342 100644
--- a/include/asm-avr32/arch-at32ap7000/gpio.h
+++ b/include/asm-avr32/arch-at32ap7000/gpio.h
@@ -205,6 +205,8 @@ void gpio_enable_usart0(void);
 void gpio_enable_usart1(void);
 void gpio_enable_usart2(void);
 void gpio_enable_usart3(void);
+void gpio_enable_macb0(void);
+void gpio_enable_macb1(void);
 
 #endif /* __ASM_AVR32_ARCH_GPIO_H__ */