ppc4xx: 405EX: Correctly enable USB pins

This patch selects the USB data pins in the 405EX GPIO and MFC (multi
function control) registers. This is done for the AMCC Kilauea and
Makalu eval boards.

Signed-off-by: Stefan Roese <sr@denx.de>

5 files changed, 39 insertions, 10 deletions

diff --git a/board/amcc/kilauea/kilauea.c b/board/amcc/kilauea/kilauea.c
index 36e9e4a2117..96c0dd46003 100644
--- a/board/amcc/kilauea/kilauea.c
+++ b/board/amcc/kilauea/kilauea.c
@@ -206,6 +206,13 @@ int board_early_init_f (void)
 		(0x80000000 >> (28 + CFG_NAND_CS));
 	mtsdr(SDR0_CUST0, val);
 
+	/*
+	 * Configure PFC (Pin Function Control) registers
+	 * -> Enable USB
+	 */
+	val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+	mtsdr(SDR0_PFC1, val);
+
 	return 0;
 }
 
diff --git a/board/amcc/makalu/makalu.c b/board/amcc/makalu/makalu.c
index b7933a056d1..15e51f42925 100644
--- a/board/amcc/makalu/makalu.c
+++ b/board/amcc/makalu/makalu.c
@@ -43,6 +43,8 @@ extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
  */
 int board_early_init_f (void)
 {
+	u32 val;
+
 	/*--------------------------------------------------------------------+
 	 | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
 	 +--------------------------------------------------------------------+
@@ -195,6 +197,13 @@ int board_early_init_f (void)
 	udelay(100);
 	gpio_write_bit(CFG_GPIO_PCIE_RST, 1);
 
+	/*
+	 * Configure PFC (Pin Function Control) registers
+	 * -> Enable USB
+	 */
+	val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+	mtsdr(SDR0_PFC1, val);
+
 	return 0;
 }
 
diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h
index 98d745cc3a0..e3f24a44b61 100644
--- a/include/configs/kilauea.h
+++ b/include/configs/kilauea.h
@@ -447,8 +447,8 @@
 {GPIO0_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_0}, /* GPIO11 IRQ(6)				*/	\
 {GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO12 EBC_DATA(16)	USB2_DATA(0)	*/	\
 {GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO13 EBC_DATA(17)	USB2_DATA(1)	*/	\
-{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_1}, /* GPIO14 EBC_DATA(18)	USB2_DATA(2)	*/	\
-{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_1}, /* GPIO15 EBC_DATA(19)	USB2_DATA(3)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO14 EBC_DATA(18)	USB2_DATA(2)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO15 EBC_DATA(19)	USB2_DATA(3)	*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_0}, /* GPIO16 UART0_DCD	UART1_CTS	*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_0}, /* GPIO17 UART0_DSR	UART1_RTS	*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_0}, /* GPIO18 UART0_CTS			*/	\
diff --git a/include/configs/makalu.h b/include/configs/makalu.h
index e04efb771b0..2871a6cac12 100644
--- a/include/configs/makalu.h
+++ b/include/configs/makalu.h
@@ -342,18 +342,18 @@
 {GPIO0_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_0}, /* GPIO1	EBC_DATA_PAR(1)			*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_0}, /* GPIO2	EBC_DATA_PAR(2)			*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_0}, /* GPIO3	EBC_DATA_PAR(3)			*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO4	EBC_DATA(20)	USB2_DATA(4)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO5	EBC_DATA(21)	USB2_DATA(5)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO6	EBC_DATA(22)	USB2_DATA(6)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO7	EBC_DATA(23)	USB2_DATA(7)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO4	EBC_DATA(20)	USB2_DATA(4)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO5	EBC_DATA(21)	USB2_DATA(5)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO6	EBC_DATA(22)	USB2_DATA(6)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO7	EBC_DATA(23)	USB2_DATA(7)	*/	\
 {GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO8	CS(1)/NFCE(1)	IRQ(7)		*/	\
 {GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO9	CS(2)/NFCE(2)	IRQ(8)		*/	\
 {GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO10 CS(3)/NFCE(3)	IRQ(9)		*/	\
 {GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO11 IRQ(6)				*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO12 EBC_DATA(16)	USB2_DATA(0)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_0}, /* GPIO13 EBC_DATA(17)	USB2_DATA(1)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_1}, /* GPIO14 EBC_DATA(18)	USB2_DATA(2)	*/	\
-{GPIO0_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_1}, /* GPIO15 EBC_DATA(19)	USB2_DATA(3)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO12 EBC_DATA(16)	USB2_DATA(0)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO13 EBC_DATA(17)	USB2_DATA(1)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO14 EBC_DATA(18)	USB2_DATA(2)	*/	\
+{GPIO0_BASE, GPIO_BI,  GPIO_ALT2, GPIO_OUT_0}, /* GPIO15 EBC_DATA(19)	USB2_DATA(3)	*/	\
 {GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO16 UART0_DCD	UART1_CTS	*/	\
 {GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO17 UART0_DSR	UART1_RTS	*/	\
 {GPIO0_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_0}, /* GPIO18 UART0_CTS			*/	\
diff --git a/include/ppc405.h b/include/ppc405.h
index e5051d45956..b5ad38fc527 100644
--- a/include/ppc405.h
+++ b/include/ppc405.h
@@ -1574,6 +1574,19 @@
 #define   SDR0_CUST0_CHIPSELGAT_EN1   0x00000004       /* Chip Select1 Gating Enable */
 #define   SDR0_CUST0_CHIPSELGAT_EN2   0x00000002       /* Chip Select2 Gating Enable */
 #define   SDR0_CUST0_CHIPSELGAT_EN3   0x00000001       /* Chip Select3 Gating Enable */
+
+#define SDR0_PFC0		0x4100
+#define SDR0_PFC1		0x4101
+#define SDR0_PFC1_U1ME		0x02000000
+#define SDR0_PFC1_U0ME		0x00080000
+#define SDR0_PFC1_U0IM		0x00040000
+#define SDR0_PFC1_SIS		0x00020000
+#define SDR0_PFC1_DMAAEN	0x00010000
+#define SDR0_PFC1_DMADEN	0x00008000
+#define SDR0_PFC1_USBEN		0x00004000
+#define SDR0_PFC1_AHBSWAP	0x00000020
+#define SDR0_PFC1_USBBIGEN	0x00000010
+#define SDR0_PFC1_GPT_FREQ	0x0000000f
 #endif
 
 #endif	/* __PPC405_H__ */