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authorWolfgang Denk <wd@pollux.denx.de>2006-07-19 13:50:38 +0200
committerWolfgang Denk <wd@pollux.denx.de>2006-07-19 13:50:38 +0200
commitb87dfd2854809ddcf4be54d772752e7ed137386f (patch)
treed10a0446c375a2961223f12f553a51422bff553a /board/tqm5200/cmd_tb5200.c
parentf3e06df7e89a1b6ff6701d523b4beea6e3fa5159 (diff)
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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
Diffstat (limited to 'board/tqm5200/cmd_tb5200.c')
-rw-r--r--board/tqm5200/cmd_tb5200.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/board/tqm5200/cmd_tb5200.c b/board/tqm5200/cmd_tb5200.c
new file mode 100644
index 0000000..8784b1f
--- /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 */