[U-Boot] [PATCH] TI: DaVinci DM365: Enabling net support on DM365

[s-paulraj at ti.com]

From: Sandeep Paulraj <s-paulraj at ti.com>

This patch enables EMAC on the DM365 EVM.

Signed-off-by: Sandeep Paulraj <s-paulraj at ti.com>
---
 board/davinci/dm365evm/dm365evm.c |   38 +++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/board/davinci/dm365evm/dm365evm.c b/board/davinci/dm365evm/dm365evm.c
index 99392b3..2092324 100644
--- a/board/davinci/dm365evm/dm365evm.c
+++ b/board/davinci/dm365evm/dm365evm.c
@@ -17,9 +17,11 @@
 
 #include <common.h>
 #include <nand.h>
+#include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/nand_defs.h>
+#include <netdev.h>
 #include "../common/misc.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -32,6 +34,42 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_DRIVER_TI_EMAC
+int board_eth_init(bd_t *bis)
+{
+	uint8_t eeprom_enetaddr[6];
+	int i;
+
+	/* Configure PINMUX 3 to enable EMAC pins */
+	writel((readl(PINMUX3) | 0x1affff), PINMUX3);
+
+	/* Configure GPIO20 as output */
+	writel((readl(GIO_DIR01) & 0xffefffff), GIO_DIR01);
+
+	/* Toggle GPIO 20 */
+	for (i = 0; i < 20; i++) {
+		/* GPIO 20 low */
+		writel((readl(GIO_OUT_DATA01) & 0xffefffff), GIO_OUT_DATA01);
+
+		udelay(1000);
+
+		/* GPIO 20 high */
+		writel((readl(GIO_OUT_DATA01) | 0x00100000), GIO_OUT_DATA01);
+	}
+
+	/* Configure I2C pins so that EEPROM can be read */
+	writel((readl(PINMUX3) | 0x01400000), PINMUX3);
+
+	/* Read Ethernet MAC address from EEPROM */
+	if (dvevm_read_mac_address(eeprom_enetaddr))
+		dv_configure_mac_address(eeprom_enetaddr);
+
+	davinci_emac_initialize();
+
+	return 0;
+}
+#endif
+
 #ifdef CONFIG_NAND_DAVINCI
 static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)
 {
-- 
1.6.0.4