OMAP3: Add common power code, README, and BeagleBoard

Add BeagleBoard support, common power code and README.

Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/board/omap3/common/power.c b/board/omap3/common/power.c
new file mode 100644
index 0000000..4908e5b
--- /dev/null
+++ b/board/omap3/common/power.c
@@ -0,0 +1,74 @@
+/*
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Sunil Kumar <sunilsaini05@gmail.com>
+ *	Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ *	Richard Woodruff <r-woodruff2@ti.com>
+ *	Syed Mohammed Khasim <khasim@ti.com>
+ *
+ *
+ * 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
+ */
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+
+/******************************************************************************
+ * Routine: power_init_r
+ * Description: Configure power supply
+ *****************************************************************************/
+void power_init_r(void)
+{
+	unsigned char byte;
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
+	/*
+	 * Configure OMAP3 supply voltages in power management
+	 * companion chip.
+	 */
+
+	/* set VAUX3 to 2.8V */
+	byte = DEV_GRP_P1;
+	i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEV_GRP, 1, &byte, 1);
+	byte = VAUX3_VSEL_28;
+	i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEDICATED, 1, &byte, 1);
+
+	/* set VPLL2 to 1.8V */
+	byte = DEV_GRP_ALL;
+	i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEV_GRP, 1, &byte, 1);
+	byte = VPLL2_VSEL_18;
+	i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEDICATED, 1, &byte, 1);
+
+	/* set VDAC to 1.8V */
+	byte = DEV_GRP_P1;
+	i2c_write(PWRMGT_ADDR_ID4, VDAC_DEV_GRP, 1, &byte, 1);
+	byte = VDAC_VSEL_18;
+	i2c_write(PWRMGT_ADDR_ID4, VDAC_DEDICATED, 1, &byte, 1);
+
+	/* enable LED */
+	byte = LEDBPWM | LEDAPWM | LEDBON | LEDAON;
+	i2c_write(PWRMGT_ADDR_ID3, LEDEN, 1, &byte, 1);
+}