diff --git a/platform/omap3/i2c.c b/platform/omap3/i2c.c
new file mode 100644
index 0000000..1c3efee
--- /dev/null
+++ b/platform/omap3/i2c.c
@@ -0,0 +1,311 @@
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <debug.h>
+#include <err.h>
+#include <reg.h>
+#include <string.h>
+#include <platform.h>
+#include <platform/omap3.h>
+
+#define LOCAL_TRACE 0
+
+#define I2C_TIMEOUT 200
+
+static const addr_t i2c_reg_base[] = {
+	I2C1_BASE,
+	I2C2_BASE,
+	I2C3_BASE,
+};
+
+#define I2C_REG_ADDR(bus, reg) (i2c_reg_base[bus] + (reg))
+#define I2C_REG(bus, reg) (*REG16(I2C_REG_ADDR(bus, reg)))
+#define I2C_RMW_REG(bus, reg, startbit, width, val) RMWREG16(I2C_REG_ADDR(bus, reg), startbit, width, val)
+
+static void i2c_dump_bus(int bus)
+{
+	hexdump((void *)i2c_reg_base[bus], 128);
+}
+
+static void i2c_reset_bus(int bus)
+{
+	I2C_REG(bus, I2C_CON) &= ~(1<<15); // make sure the bus is disabled
+
+	/* reset the bus */
+	I2C_REG(bus, I2C_SYSC) = (1<<1);
+	I2C_REG(bus, I2C_CON) = (1<<15); // enable the bus
+	while ((I2C_REG(bus, I2C_SYSS) & 1) == 0)
+		;
+
+	/* disable the bus again and set up some internals */
+	I2C_REG(bus, I2C_CON) &= ~(1<<15); // make sure the bus is disabled
+
+	/* set up the clock */
+	I2C_REG(bus, I2C_PSC) = 23; // 96Mhz / 23 == 4Mhz
+	I2C_REG(bus, I2C_SCLL) = 13; 
+	I2C_REG(bus, I2C_SCLH) = 15; // 4Mhz / combined divider of 40 (13+7 + 15+5) == 100khz
+
+	/* slave address */
+	I2C_REG(bus, I2C_OA0) = 1; // XXX made this up
+
+	/* fifo is set to 1 byte trigger */
+	I2C_REG(bus, I2C_BUF) = 0;
+
+	/* disable all interrupts */
+	I2C_REG(bus, I2C_IE) = 0;
+
+	/* enable the bus */
+	I2C_REG(bus, I2C_CON) = (1<<15)|(1<<10)|(1<<9); // enable, master, transmitter mode
+}
+
+static void i2c_wait_for_bb(int bus)
+{
+	I2C_REG(bus, I2C_STAT) = 0xffff; // clear whatever is pending
+	while (I2C_REG(bus, I2C_STAT) & (1<<12)) {
+		I2C_REG(bus, I2C_STAT) = 0xffff; // clear whatever is pending
+	}
+	I2C_REG(bus, I2C_STAT) = 0xffff; // clear whatever is pending
+}
+
+int i2c_transmit(int bus, uint8_t address, const void *buf, size_t count)
+{
+	int err;
+
+	LTRACEF("bus %d, address 0x%hhx, buf %p, count %zd\n", bus, address, buf, count);
+		
+	i2c_wait_for_bb(bus);
+
+	I2C_REG(bus, I2C_SA) = address;
+	I2C_REG(bus, I2C_CNT) = count;
+	I2C_REG(bus, I2C_CON) = (1<<15)|(1<<10)|(1<<9)|(1<<1)|(1<<0); // enable, master, transmit, STP, STT
+
+	time_t t = current_time();
+
+	const uint8_t *ptr = (const uint8_t *)buf;
+	for(;;) {
+		uint16_t stat = I2C_REG(bus, I2C_STAT);
+		if (stat & (1<<1)) {
+			// NACK
+//			printf("NACK\n");
+			err = -1;
+			goto out;
+		}
+		if (stat & (1<<0)) {
+			// AL (arbitration lost)
+//			printf("arbitration lost!\n");
+			err = -1;
+			goto out;
+		}
+		if (stat & (1<<2)) {
+			// ARDY
+//			printf("ARDY, completed\n");
+			break;
+		}
+		if (stat & (1<<4)) {
+			// RRDY
+//			printf("XRDY\n");
+
+			// transmit a byte
+			*REG8(I2C_REG_ADDR(bus, I2C_DATA)) = *ptr;
+			ptr++;
+		}
+		I2C_REG(bus, I2C_STAT) = stat;
+
+		if (current_time() - t > I2C_TIMEOUT) {
+//			printf("i2c timeout\n");
+			err = ERR_TIMED_OUT;
+			goto out;
+		}
+	}
+
+	err = 0;
+
+out:
+	I2C_REG(bus, I2C_STAT) = 0xffff;
+	I2C_REG(bus, I2C_CNT) = 0;
+
+	return err;
+}
+
+int i2c_receive(int bus, uint8_t address, void *buf, size_t count)
+{
+	int err;
+
+	LTRACEF("bus %d, address 0x%hhx, buf %p, count %zd\n", bus, address, buf, count);
+		
+	i2c_wait_for_bb(bus);
+
+	I2C_REG(bus, I2C_SA) = address;
+	I2C_REG(bus, I2C_CNT) = count;
+	I2C_REG(bus, I2C_CON) = (1<<15)|(1<<10)|(1<<1)|(1<<0); // enable, master, STP, STT
+
+	time_t t = current_time();
+
+	uint8_t *ptr = (uint8_t *)buf;
+	for(;;) {
+		uint16_t stat = I2C_REG(bus, I2C_STAT);
+		if (stat & (1<<1)) {
+			// NACK
+//			printf("NACK\n");
+			err = -1;
+			goto out;
+		}
+		if (stat & (1<<0)) {
+			// AL (arbitration lost)
+//			printf("arbitration lost!\n");
+			err = -1;
+			goto out;
+		}
+		if (stat & (1<<2)) {
+			// ARDY
+//			printf("ARDY, completed\n");
+			break;
+		}
+		if (stat & (1<<3)) {
+			// RRDY
+//			printf("RRDY\n");
+
+			// read a byte, since our fifo threshold is set to 1 byte
+			*ptr = *REG8(I2C_REG_ADDR(bus, I2C_DATA));
+			ptr++;
+		}
+		I2C_REG(bus, I2C_STAT) = stat;
+
+		if (current_time() - t > I2C_TIMEOUT) {
+//			printf("i2c timeout\n");
+			err = ERR_TIMED_OUT;
+			goto out;
+		}
+	}
+
+	err = 0;
+
+out:
+	I2C_REG(bus, I2C_STAT) = 0xffff;
+	I2C_REG(bus, I2C_CNT) = 0;
+
+	return err;
+}
+
+int i2c_write_reg(int bus, uint8_t address, uint8_t reg, uint8_t val)
+{
+	uint8_t buf[2];
+
+	buf[0] = reg;
+	buf[1] = val;
+
+	return i2c_transmit(bus, address, buf, 2);
+}
+
+int i2c_read_reg(int bus, uint8_t address, uint8_t reg, uint8_t *val)
+{
+	int err = i2c_transmit(bus, address, &reg, 1);
+	if (err < 0)
+		return err;
+
+	return i2c_receive(bus, address, val, 1);
+}
+
+
+void i2c_init_early(void)
+{
+	LTRACE_ENTRY;
+
+	i2c_reset_bus(0);
+	i2c_reset_bus(1);
+	i2c_reset_bus(2);
+
+#if 0
+	// write something into a reg
+	char buf[2];
+	i2c_write_reg(0, 0x4b, 0x14, 0x99);
+	i2c_write_reg(0, 0x4b, 0x15, 0x98);
+
+	i2c_read_reg(0, 0x4b, 0x15, buf);
+	printf("0x%hhx\n", buf[0]);
+	i2c_read_reg(0, 0x4b, 0x14, buf);
+	printf("0x%hhx\n", buf[0]);
+
+	int i;
+	for (i=0; i < 255; i++) {
+		char buf[1];
+		buf[0] = i;
+		i2c_transmit(0, 0x4b, buf, 1);
+		i2c_receive(0, 0x4b, buf, sizeof(buf));
+		printf("0x%hhx\n", buf[0]);
+	}
+#endif
+
+	LTRACE_EXIT;
+}
+
+void i2c_init(void)
+{
+}
+
+#if WITH_APP_CONSOLE
+
+#include <app/console.h>
+
+static int cmd_i2c(int argc, const cmd_args *argv);
+
+STATIC_COMMAND_START
+	{ "i2c", "i2c read/write commands", &cmd_i2c },
+STATIC_COMMAND_END(i2c);
+
+static int cmd_i2c(int argc, const cmd_args *argv)
+{
+	int err;
+
+	if (argc < 5) {
+		printf("not enough arguments\n");
+usage:
+		printf("%s read_reg <bus> <i2c address> <register>\n", argv[0].str);
+		printf("%s write_reg <bus> <i2c address> <register> <val>\n", argv[0].str);
+		return -1;
+	}
+
+	int bus = argv[2].u;
+	uint8_t i2c_address = argv[3].u;
+
+	if (!strcmp(argv[1].str, "read_reg")) {
+		uint8_t reg = argv[4].u;
+		uint8_t val;
+
+		err = i2c_read_reg(bus, i2c_address, reg, &val);
+		printf("i2c_read_reg err %d, val 0x%hhx\n", err, val);
+	} else if (!strcmp(argv[1].str, "write_reg")) {
+		uint8_t reg = argv[4].u;
+		uint8_t val = argv[5].u;
+		err = i2c_write_reg(bus, i2c_address, reg, val);
+		printf("i2c_write_reg err %d\n", err);
+	} else {
+		printf("unrecognized subcommand\n");
+		goto usage;
+	}
+
+	return 0;
+}
+
+#endif // WITH_APP_CONSOLE
+
+