TI: DaVinci DM365: Enabling network Support on DM365 EVM

This patch enables EMAC on the DM365 EVM.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Acked-by: Tom Rix <Tom.Rix@windriver.com>
This commit is contained in:
Sandeep Paulraj 2009-09-29 09:43:04 -04:00 committed by Tom Rix
parent 00e1665a3c
commit 4df30f3bb7
1 changed files with 43 additions and 0 deletions

View File

@ -17,9 +17,12 @@
#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 <asm/arch/gpio_defs.h>
#include <netdev.h>
#include "../common/misc.h"
DECLARE_GLOBAL_DATA_PTR;
@ -32,6 +35,46 @@ 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;
struct davinci_gpio *gpio1_base =
(struct davinci_gpio *)DAVINCI_GPIO_BANK01;
/* Configure PINMUX 3 to enable EMAC pins */
writel((readl(PINMUX3) | 0x1affff), PINMUX3);
/* Configure GPIO20 as output */
writel((readl(&gpio1_base->dir) & ~(1 << 20)), &gpio1_base->dir);
/* Toggle GPIO 20 */
for (i = 0; i < 20; i++) {
/* GPIO 20 low */
writel((readl(&gpio1_base->out_data) & ~(1 << 20)),
&gpio1_base->out_data);
udelay(1000);
/* GPIO 20 high */
writel((readl(&gpio1_base->out_data) | (1 << 20)),
&gpio1_base->out_data);
}
/* 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)
{