[U-Boot] [PATCH 1/7] OMAP3: Overo: Clean up pin mux and GPIO configuration

Dirk Behme dirk.behme at googlemail.com
Mon Feb 2 06:53:25 CET 2009


* Make Overo GPIO114 an input for touchscreen PENDOWN
* Make Overo GPIO144-147 readable
* Make Overo EHCI pinmux match beagle rev c setup
* Adjust pinmux for SMSC911X network chip support
* Remove unnecessary GPIO setup
* Fix merge error in Makefile

Signed-off-by: Steve Sakoman <sakoman at gmail.com>
Signed-off-by: Dirk Behme <dirk.behme at googlemail.com>

---
 board/omap3/overo/Makefile |    1 +
 board/omap3/overo/overo.c  |   13 -------------
 board/omap3/overo/overo.h  |   18 ++++++++++--------
 3 files changed, 11 insertions(+), 21 deletions(-)

Index: u-boot-main/board/omap3/overo/overo.h
===================================================================
--- u-boot-main.orig/board/omap3/overo/overo.h
+++ u-boot-main/board/omap3/overo/overo.h
@@ -130,7 +130,8 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(GPMC_NWP),		(IEN  | PTD | DIS | M0)) /*GPMC_nWP*/\
  MUX_VAL(CP(GPMC_WAIT0),	(IEN  | PTU | EN  | M0)) /*GPMC_WAIT0*/\
  MUX_VAL(CP(GPMC_WAIT1),	(IEN  | PTU | EN  | M0)) /*GPMC_WAIT1*/\
- MUX_VAL(CP(GPMC_WAIT2),	(IEN  | PTU | EN  | M0)) /*GPMC_nCS3*/\
+ MUX_VAL(CP(GPMC_WAIT2),	(IEN  | PTU | DIS | M4)) /*GPIO_64*/\
+							/* - SMSC911X_NRES*/\
  MUX_VAL(CP(GPMC_WAIT3),	(IEN  | PTU | EN  | M0)) /*GPMC_nCS3*/\
  /*DSS*/\
  MUX_VAL(CP(DSS_PCLK),		(IDIS | PTD | DIS | M0)) /*DSS_PCLK*/\
@@ -184,7 +185,7 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(CAM_STROBE),	(IDIS | PTD | DIS | M0)) /*CAM_STROBE*/\
  MUX_VAL(CP(CSI2_DX0),		(IEN  | PTD | DIS | M0)) /*CSI2_DX0*/\
  MUX_VAL(CP(CSI2_DY0),		(IEN  | PTD | DIS | M0)) /*CSI2_DY0*/\
- MUX_VAL(CP(CSI2_DX1),		(IEN  | PTD | DIS | M0)) /*CSI2_DX1*/\
+ MUX_VAL(CP(CSI2_DX1),		(IEN  | PTD | EN  | M4)) /*GPIO_114*/\
  MUX_VAL(CP(CSI2_DY1),		(IEN  | PTU | EN  | M4)) /*GPIO_115*/\
  /*Audio Interface */\
  MUX_VAL(CP(MCBSP2_FSX),	(IEN  | PTD | DIS | M0)) /*McBSP2_FSX*/\
@@ -218,10 +219,10 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(MCBSP3_DR),		(IDIS | PTD | DIS | M1)) /*UART2_RTS*/\
  MUX_VAL(CP(MCBSP3_CLKX),	(IDIS | PTD | DIS | M1)) /*UART2_TX*/\
  MUX_VAL(CP(MCBSP3_FSX),	(IEN  | PTD | DIS | M1)) /*UART2_RX*/\
- MUX_VAL(CP(UART2_CTS),		(IDIS | PTD | DIS | M4)) /*GPIO_144 - LCD_EN*/\
- MUX_VAL(CP(UART2_RTS),		(IDIS | PTD | DIS | M4)) /*GPIO_145*/\
- MUX_VAL(CP(UART2_TX),		(IDIS | PTD | DIS | M4)) /*GPIO_146*/\
- MUX_VAL(CP(UART2_RX),		(IDIS | PTD | DIS | M4)) /*GPIO_147*/\
+ MUX_VAL(CP(UART2_CTS),		(IEN  | PTD | DIS | M4)) /*GPIO_144 - LCD_EN*/\
+ MUX_VAL(CP(UART2_RTS),		(IEN  | PTD | DIS | M4)) /*GPIO_145*/\
+ MUX_VAL(CP(UART2_TX),		(IEN  | PTD | DIS | M4)) /*GPIO_146*/\
+ MUX_VAL(CP(UART2_RX),		(IEN  | PTD | DIS | M4)) /*GPIO_147*/\
  MUX_VAL(CP(UART1_TX),		(IDIS | PTD | DIS | M0)) /*UART1_TX*/\
  MUX_VAL(CP(UART1_RTS),		(IEN  | PTU | DIS | M4)) /*GPIO_149*/ \
  MUX_VAL(CP(UART1_CTS),		(IEN  | PTU | DIS | M4)) /*GPIO_150-MMC3_WP*/\
@@ -271,7 +272,8 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(MCSPI1_SOMI),	(IEN  | PTD | DIS | M0)) /*McSPI1_SOMI */\
  MUX_VAL(CP(MCSPI1_CS0),	(IEN  | PTD | EN  | M0)) /*McSPI1_CS0*/\
  MUX_VAL(CP(MCSPI1_CS1),	(IDIS | PTD | EN  | M0)) /*McSPI1_CS1*/\
- MUX_VAL(CP(MCSPI1_CS2),	(IDIS | PTD | DIS | M4)) /*GPIO_176*/\
+ MUX_VAL(CP(MCSPI1_CS2),	(IEN  | PTD | DIS | M4)) /*GPIO_176*/\
+							/* - SMSC911X_IRQ*/\
  MUX_VAL(CP(MCSPI1_CS3),	(IEN  | PTD | DIS | M3)) /*HSUSB2_DATA2*/\
  MUX_VAL(CP(MCSPI2_CLK),	(IEN  | PTD | DIS | M3)) /*HSUSB2_DATA7*/\
  MUX_VAL(CP(MCSPI2_SIMO),	(IEN  | PTD | DIS | M3)) /*HSUSB2_DATA4*/\
@@ -306,7 +308,7 @@ const omap3_sysinfo sysinfo = {
  MUX_VAL(CP(ETK_D8_ES2),	(IEN  | PTU | EN  | M2)) /*MMC3_DAT6*/\
  MUX_VAL(CP(ETK_D9_ES2),	(IEN  | PTU | EN  | M2)) /*MMC3_DAT5*/\
  MUX_VAL(CP(ETK_D10_ES2),	(IDIS | PTD | DIS | M3)) /*HSUSB2_CLK*/\
- MUX_VAL(CP(ETK_D11_ES2),	(IDIS | PTU | EN  | M3)) /*HSUSB2_STP*/\
+ MUX_VAL(CP(ETK_D11_ES2),	(IDIS | PTD | DIS | M3)) /*HSUSB2_STP*/\
  MUX_VAL(CP(ETK_D12_ES2),	(IEN  | PTD | DIS | M3)) /*HSUSB2_DIR*/\
  MUX_VAL(CP(ETK_D13_ES2),	(IEN  | PTD | DIS | M3)) /*HSUSB2_NXT*/\
  MUX_VAL(CP(ETK_D14_ES2),	(IEN  | PTD | DIS | M3)) /*HSUSB2_DATA0*/\
Index: u-boot-main/board/omap3/overo/overo.c
===================================================================
--- u-boot-main.orig/board/omap3/overo/overo.c
+++ u-boot-main/board/omap3/overo/overo.c
@@ -58,21 +58,8 @@ int board_init(void)
  *****************************************************************************/
 int misc_init_r(void)
 {
-	gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE;
-	gpio_t *gpio6_base = (gpio_t *)OMAP34XX_GPIO6_BASE;
-
 	power_init_r();
 
-	/* Configure GPIOs to output */
-	writel(~((GPIO10) | GPIO9 | GPIO3 | GPIO2), &gpio6_base->oe);
-	writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
-		GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
-
-	/* Set GPIOs */
-	writel(GPIO10 | GPIO9 | GPIO3 | GPIO2, &gpio6_base->setdataout);
-	writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
-		GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
-
 	return 0;
 }
 
Index: u-boot-main/board/omap3/overo/Makefile
===================================================================
--- u-boot-main.orig/board/omap3/overo/Makefile
+++ u-boot-main/board/omap3/overo/Makefile
@@ -46,3 +46,4 @@ include $(SRCTREE)/rules.mk
 
 sinclude $(obj).depend
 
+#########################################################################


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