Add support for TB5200 board

The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module
integrated in a little aluminium case.
Patch by Martin Krause, 8 Jun 2006

Some code cleanup

4 files changed, 115 insertions, 3 deletions

diff --git a/board/tqm5200/Makefile b/board/tqm5200/Makefile
index ab0ff1a34..9a1ea4873 100644
--- a/board/tqm5200/Makefile
+++ b/board/tqm5200/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= lib$(BOARD).a
 
-OBJS	:= $(BOARD).o cmd_stk52xx.o
+OBJS	:= $(BOARD).o cmd_stk52xx.o cmd_tb5200.o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS)
diff --git a/board/tqm5200/cmd_stk52xx.c b/board/tqm5200/cmd_stk52xx.c
index 8b9057f50..2326a289c 100755
--- a/board/tqm5200/cmd_stk52xx.c
+++ b/board/tqm5200/cmd_stk52xx.c
@@ -30,6 +30,7 @@
 #include <command.h>
 
 #if (CONFIG_COMMANDS & CFG_CMD_BSP)
+#if defined (CONFIG_STK52XX)
 
 #define DEFAULT_VOL	45
 #define DEFAULT_FREQ	500
@@ -60,7 +61,6 @@ static int spi_transmit(unsigned char data);
 static void pcm1772_write_reg(unsigned char addr, unsigned char data);
 static void set_attenuation(unsigned char attenuation);
 
-#ifdef CONFIG_STK52XX
 static void spi_init(void)
 {
 	struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
diff --git a/board/tqm5200/cmd_tb5200.c b/board/tqm5200/cmd_tb5200.c
new file mode 100644
index 000000000..8784b1f80
--- /dev/null
+++ b/board/tqm5200/cmd_tb5200.c
@@ -0,0 +1,104 @@
+/*
+ * (C) Copyright 2005 - 2006
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+/*
+ * TB5200 specific functions
+ */
+/*#define DEBUG*/
+
+#include <common.h>
+#include <command.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+#if defined (CONFIG_TB5200)
+
+#define SM501_PANEL_DISPLAY_CONTROL	0x00080000UL
+
+static void led_init(void)
+{
+	struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+
+	/* configure timer 4 for simple GPIO output */
+	gpt->gpt4.emsr |=  0x00000024;
+}
+
+int cmd_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+
+	led_init();
+
+	if (strcmp (argv[1], "on") == 0) {
+		debug ("switch status LED on\n");
+		gpt->gpt4.emsr |=  (1 << 4);
+	} else if (strcmp (argv[1], "off") == 0) {
+		debug ("switch status LED off\n");
+		gpt->gpt4.emsr &=  ~(1 << 4);
+	} else {
+		printf ("Usage:\nled on/off\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+static void sm501_backlight (unsigned int state)
+{
+	if (state == 1) {
+		*(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) |=
+			(1 << 26) | (1 << 27);
+	} else if (state == 0)
+		*(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) &=
+			~((1 << 26) | (1 << 27));
+}
+
+int cmd_backlight(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	if (strcmp (argv[1], "on") == 0) {
+		debug ("switch backlight on\n");
+		sm501_backlight (1);
+	} else if (strcmp (argv[1], "off") == 0) {
+		debug ("switch backlight off\n");
+		sm501_backlight (0);
+	} else {
+		printf ("Usage:\nbacklight on/off\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	led ,	2,	1,	cmd_led,
+	"led     - switch status LED on or off\n",
+	"on/off\n"
+);
+
+U_BOOT_CMD(
+	backlight ,	2,	1,	cmd_backlight,
+	"backlight - switch backlight on or off\n",
+	"on/off\n"
+	);
+
+#endif /* CONFIG_STK52XX */
+#endif /* CFG_CMD_BSP */
diff --git a/board/tqm5200/tqm5200.c b/board/tqm5200/tqm5200.c
index 310abd2b8..c6309e321 100644
--- a/board/tqm5200/tqm5200.c
+++ b/board/tqm5200/tqm5200.c
@@ -260,6 +260,9 @@ int checkboard (void)
 #if defined (CONFIG_STK52XX)
 	puts ("       on a STK52XX baseboard\n");
 #endif
+#if defined (CONFIG_TB5200)
+	puts ("       on a TB5200 baseboard\n");
+#endif
 
 	return 0;
 }
@@ -567,10 +570,15 @@ void video_get_info_str (int line_number, char *info)
 {
 	if (line_number == 1) {
 	strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
-#if defined (CONFIG_STK52XX)
+#if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200)
 	} else if (line_number == 2) {
+#if defined (CONFIG_STK52XX)
 		strcpy (info, "        on a STK52XX baseboard");
 #endif
+#if defined (CONFIG_TB5200)
+		strcpy (info, "        on a TB5200 baseboard");
+#endif
+#endif
 	}
 	else {
 		info [0] = '\0';