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fsl: Freescale TSEC specific initialization. 

The fsl_eth_init function maps the TSEC registers (MAC, TBI and
external PHY access registers). It also passes the PHY address and
TBI registers initialization values.

Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Renaud Barbier 2012-08-07 15:30:57 +01:00 committed by Sascha Hauer
parent caf788ae5a
commit ad7e9562fc
2 changed files with 50 additions and 0 deletions
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1
arch/ppc/mach-mpc85xx/Makefile
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@ -6,3 +6,4 @@ obj-y += fsl_law.o
obj-y += speed.o
obj-y +=time.o
obj-$(CONFIG_MP) += mp.o
obj-$(CONFIG_DRIVER_NET_GIANFAR) += eth-devices.o

49
arch/ppc/mach-mpc85xx/eth-devices.c Normal file
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@ -0,0 +1,49 @@
/*
* Copyright 2012 GE Intelligent Platforms, Inc
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <driver.h>
#include <mach/immap_85xx.h>
#include <mach/gianfar.h>
int fsl_eth_init(int num, struct gfar_info_struct *gf)
{
struct resource *res;
res = xzalloc(3 * sizeof(struct resource));
/* TSEC interface registers */
res[0].start = GFAR_BASE_ADDR + ((num - 1) * 0x1000);
res[0].end = res[0].start + 0x1000;
res[0].flags = IORESOURCE_MEM;
/* External PHY access always through eTSEC1 */
res[1].start = MDIO_BASE_ADDR;
res[1].end = res[1].start + 0x1000;
res[1].flags = IORESOURCE_MEM;
/* Access to TBI/RTBI interface. */
res[2].start = MDIO_BASE_ADDR + ((num - 1) * 0x1000);
res[2].end = res[2].start + 0x1000;
res[2].flags = IORESOURCE_MEM;
add_generic_device_res("gfar", DEVICE_ID_DYNAMIC, res, 3, gf);
return 0;
}