1 files changed, 103 insertions, 0 deletions
diff --git a/board/davinci/dvevm/dvevm.c b/board/davinci/dvevm/dvevm.c
new file mode 100644
index 0000000..d5c851b
--- /dev/null
+++ b/board/davinci/dvevm/dvevm.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts are shamelessly stolen from various TI sources, original copyright
+ * follows:
+ * -----------------------------------------------------------------
+ *
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ----------------------------------------------------------------------------
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/davinci_misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_EVM;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/* Configure AEMIF pins (although this should be configured at boot time
+	 * with pull-up/pull-down resistors) */
+	REG(PINMUX0) = 0x00000c1f;
+
+	davinci_errata_workarounds();
+
+	/* Power on required peripherals */
+	lpsc_on(DAVINCI_LPSC_GPIO);
+	lpsc_on(DAVINCI_LPSC_USB);
+
+#if !defined(CONFIG_SYS_USE_DSPLINK)
+	/* Powerup the DSP */
+	dsp_on();
+#endif /* CONFIG_SYS_USE_DSPLINK */
+
+	davinci_enable_uart0();
+	davinci_enable_emac();
+	davinci_enable_i2c();
+
+	lpsc_on(DAVINCI_LPSC_TIMER1);
+	timer_init();
+
+	return(0);
+}
+
+int misc_init_r(void)
+{
+	uint8_t video_mode;
+	uint8_t eeprom_enetaddr[6];
+
+	/* Read Ethernet MAC address from EEPROM if available. */
+	if (dvevm_read_mac_address(eeprom_enetaddr))
+		davinci_sync_env_enetaddr(eeprom_enetaddr);
+
+	i2c_read(0x39, 0x00, 1, &video_mode, 1);
+
+	setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));
+
+	return(0);
+}
+
+#ifdef CONFIG_USB_DAVINCI
+
+/* IO Expander I2C address and USB VBUS enable mask */
+#define IOEXP_I2C_ADDR 0x3A
+#define IOEXP_VBUSEN_MASK 1
+
+/*
+ * This function enables USB VBUS by writting to IO expander using I2C.
+ * Note that the I2C is already initialized at this stage. This
+ * function is used by davinci specific USB wrapper code.
+ */
+void enable_vbus(void)
+{
+	uchar data;  /* IO Expander data to enable VBUS */
+
+	/* Write to IO expander to enable VBUS */
+	i2c_read(IOEXP_I2C_ADDR, 0, 0, &data, 1);
+	data &= ~IOEXP_VBUSEN_MASK;
+	i2c_write(IOEXP_I2C_ADDR, 0, 0, &data, 1);
+}
+#endif