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davinci: EMAC support for Omapl138-Hawkboard 

This patch adds EMAC support for the Hawkboard-L138 system

Signed-off-by: Victor Rodriguez <vm.rod25@gmail.com>
Tested-by: Rene Gonzalez <renegs.2378@gmail.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Victor Rodriguez 2010-12-27 16:43:08 -06:00 committed by Kevin Hilman
parent 3ba789c091
commit bb59b7fdc1
1 changed files with 43 additions and 0 deletions
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43
arch/arm/mach-davinci/board-omapl138-hawk.c
View File

@ -19,6 +19,47 @@
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/mux.h>
#define HAWKBOARD_PHY_ID "0:07"
static short omapl138_hawk_mii_pins[] __initdata = {
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
DA850_MDIO_D,
-1
};
static __init void omapl138_hawk_config_emac(void)
{
void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
int ret;
u32 val;
struct davinci_soc_info *soc_info = &davinci_soc_info;
val = __raw_readl(cfgchip3);
val &= ~BIT(8);
ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
if (ret) {
pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
__func__, ret);
return;
}
/* configure the CFGCHIP3 register for MII */
__raw_writel(val, cfgchip3);
pr_info("EMAC: MII PHY configured\n");
soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
ret = da8xx_register_emac();
if (ret)
pr_warning("%s: emac registration failed: %d\n",
__func__, ret);
}
static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
.enabled_uarts = 0x7,
@ -30,6 +71,8 @@ static __init void omapl138_hawk_init(void)
davinci_serial_init(&omapl138_hawk_uart_config);
omapl138_hawk_config_emac();
ret = da8xx_register_watchdog();
if (ret)
pr_warning("omapl138_hawk_init: "