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* [U-Boot] [PATCH] ZOOM2 Add support for debug board detection.
@ 2009-04-01 19:10 Tom Rix
  0 siblings, 0 replies; 3+ messages in thread
From: Tom Rix @ 2009-04-01 19:10 UTC (permalink / raw)
  To: u-boot

https://omapzoom.org/gf/project/omapzoom/wiki/?pagename=GettingStartedWithZoomII_AKA_OMAP34XII_MDP

The zoom2 has an auxillary board that contains the serial, net, jtag and
battery simulator.  This change supports a runtime check if the debug board is
connected.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
---
 board/omap3/zoom2/Makefile      |    3 +-
 board/omap3/zoom2/debug_board.c |   55 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 1 deletions(-)
 create mode 100644 board/omap3/zoom2/debug_board.c

diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile
index 088b8cb..b8fa5a7 100644
--- a/board/omap3/zoom2/Makefile
+++ b/board/omap3/zoom2/Makefile
@@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= zoom2.o
+COBJS	:= zoom2.o \
+	debug_board.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/omap3/zoom2/debug_board.c b/board/omap3/zoom2/debug_board.c
new file mode 100644
index 0000000..a3043b7
--- /dev/null
+++ b/board/omap3/zoom2/debug_board.c
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2009
+ * Windriver, <www.windriver.com>
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/mux.h>
+
+#define DEBUG_BOARD_CONNECTED     1
+#define DEBUG_BOARD_NOT_CONNECTED 0
+
+static int debug_board_connected = DEBUG_BOARD_CONNECTED;
+
+static void zoom2_debug_board_detect(void)
+{
+	unsigned int val;
+	/* GPIO to query for debug board
+	   158 db board query, bank 5, index 30 */
+	gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE;
+
+	val = __raw_readl(&gpio5_base->datain);
+
+	/* Check the bit for gpio 158 */
+	if (!(val & (1 << 30)))
+		debug_board_connected = DEBUG_BOARD_NOT_CONNECTED;
+}
+
+int zoom2_debug_board_connected(void)
+{
+	static int first_time = 1;
+
+	if (first_time) {
+		zoom2_debug_board_detect();
+		first_time = 0;
+	}
+	return debug_board_connected;
+}
-- 
1.6.0.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] ZOOM2 Add support for debug board detection.
  2009-04-01 16:11   ` [U-Boot] [PATCH] ZOOM2 Add support for debug board detection Tom Rix
@ 2009-04-01 20:21     ` Wolfgang Denk
  0 siblings, 0 replies; 3+ messages in thread
From: Wolfgang Denk @ 2009-04-01 20:21 UTC (permalink / raw)
  To: u-boot

Dear Tom Rix,

In message <1238602273-27252-3-git-send-email-Tom.Rix@windriver.com> you wrote:
> https://omapzoom.org/gf/project/omapzoom/wiki/?pagename=GettingStartedWithZoomII_AKA_OMAP34XII_MDP
> 
> The zoom2 has an auxillary board that contains the serial, net, jtag and
> battery simulator.  This change supports a runtime check if the debug board is
> connected.
> 
> Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
> ---
>  board/omap3/zoom2/Makefile      |    3 +-
>  board/omap3/zoom2/debug_board.c |   55 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 57 insertions(+), 1 deletions(-)
>  create mode 100644 board/omap3/zoom2/debug_board.c
> 
> diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile
> index 088b8cb..b8fa5a7 100644
> --- a/board/omap3/zoom2/Makefile
> +++ b/board/omap3/zoom2/Makefile
> @@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk
>  
>  LIB	= $(obj)lib$(BOARD).a
>  
> -COBJS	:= zoom2.o
> +COBJS	:= zoom2.o \
> +	debug_board.o

Please keep lists sorted.

> diff --git a/board/omap3/zoom2/debug_board.c b/board/omap3/zoom2/debug_board.c
> new file mode 100644
> index 0000000..a3043b7
> --- /dev/null
> +++ b/board/omap3/zoom2/debug_board.c
> @@ -0,0 +1,55 @@
> +/*
> + * (C) Copyright 2009
> + * Windriver, <www.windriver.com>
> + * Tom Rix <Tom.Rix@windriver.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + *
> + */
> +#include <common.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/io.h>
> +#include <asm/arch/mux.h>
> +
> +#define DEBUG_BOARD_CONNECTED     1
> +#define DEBUG_BOARD_NOT_CONNECTED 0
> +
> +static int debug_board_connected = DEBUG_BOARD_CONNECTED;
> +
> +static void zoom2_debug_board_detect(void)
> +{
> +	unsigned int val;
> +	/* GPIO to query for debug board
> +	   158 db board query, bank 5, index 30 */

Incorrect multiline comment style.


Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"Probably the best operating system in the world  is  the  [operating
system] made for the PDP-11 by Bell Laboratories."
                                           - Ted Nelson, October 1977

^ permalink raw reply	[flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] ZOOM2 Add support for debug board detection.
  2009-04-01 16:11 ` [U-Boot] [PATCH] ZOOM2 Mux changes to support zoom2 configuration Tom Rix
@ 2009-04-01 16:11   ` Tom Rix
  2009-04-01 20:21     ` Wolfgang Denk
  0 siblings, 1 reply; 3+ messages in thread
From: Tom Rix @ 2009-04-01 16:11 UTC (permalink / raw)
  To: u-boot

https://omapzoom.org/gf/project/omapzoom/wiki/?pagename=GettingStartedWithZoomII_AKA_OMAP34XII_MDP

The zoom2 has an auxillary board that contains the serial, net, jtag and
battery simulator.  This change supports a runtime check if the debug board is
connected.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
---
 board/omap3/zoom2/Makefile      |    3 +-
 board/omap3/zoom2/debug_board.c |   55 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 1 deletions(-)
 create mode 100644 board/omap3/zoom2/debug_board.c

diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile
index 088b8cb..b8fa5a7 100644
--- a/board/omap3/zoom2/Makefile
+++ b/board/omap3/zoom2/Makefile
@@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= zoom2.o
+COBJS	:= zoom2.o \
+	debug_board.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/omap3/zoom2/debug_board.c b/board/omap3/zoom2/debug_board.c
new file mode 100644
index 0000000..a3043b7
--- /dev/null
+++ b/board/omap3/zoom2/debug_board.c
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2009
+ * Windriver, <www.windriver.com>
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/mux.h>
+
+#define DEBUG_BOARD_CONNECTED     1
+#define DEBUG_BOARD_NOT_CONNECTED 0
+
+static int debug_board_connected = DEBUG_BOARD_CONNECTED;
+
+static void zoom2_debug_board_detect(void)
+{
+	unsigned int val;
+	/* GPIO to query for debug board
+	   158 db board query, bank 5, index 30 */
+	gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE;
+
+	val = __raw_readl(&gpio5_base->datain);
+
+	/* Check the bit for gpio 158 */
+	if (!(val & (1 << 30)))
+		debug_board_connected = DEBUG_BOARD_NOT_CONNECTED;
+}
+
+int zoom2_debug_board_connected(void)
+{
+	static int first_time = 1;
+
+	if (first_time) {
+		zoom2_debug_board_detect();
+		first_time = 0;
+	}
+	return debug_board_connected;
+}
-- 
1.6.0.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2009-04-01 20:21 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-04-01 19:10 [U-Boot] [PATCH] ZOOM2 Add support for debug board detection Tom Rix
  -- strict thread matches above, loose matches on Subject: below --
2009-04-01 16:11 [U-Boot] [PATCH] ZOOM2 Add initial support for Zoom2 Tom Rix
2009-04-01 16:11 ` [U-Boot] [PATCH] ZOOM2 Mux changes to support zoom2 configuration Tom Rix
2009-04-01 16:11   ` [U-Boot] [PATCH] ZOOM2 Add support for debug board detection Tom Rix
2009-04-01 20:21     ` Wolfgang Denk

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