u-boot/arch/powerpc/cpu/mpc85xx/p2041_serdes.c

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/*
* Copyright 2010-2011 Freescale Semiconductor, 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 <asm/fsl_serdes.h>
#include <asm/processor.h>
#include <asm/io.h>
#include "fsl_corenet_serdes.h"
static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
[0x2] = {NONE, NONE, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1,
NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
[0x5] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
[0x8] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
PCIE2, PCIE2, PCIE2, NONE, NONE, NONE, NONE, SATA1,
SATA2, NONE, NONE, NONE, NONE, },
[0x9] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
PCIE2, PCIE2, PCIE2, NONE, NONE, XAUI_FM1, XAUI_FM1,
XAUI_FM1, XAUI_FM1, NONE, NONE, NONE, NONE, },
[0xa] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
PCIE2, PCIE2, PCIE2, NONE, NONE, PCIE3, PCIE3, PCIE3,
PCIE3, NONE, NONE, NONE, NONE, },
[0xf] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
SRIO2, SRIO1, SRIO1, NONE, NONE, PCIE3, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
[0x14] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
PCIE2, SRIO1, SRIO1, NONE, NONE, AURORA,
SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE,
NONE, NONE, NONE, },
[0x16] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, SATA1, SATA2, NONE,
NONE, NONE, NONE, },
[0x17] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
SGMII_FM1_DTSEC4, NONE, NONE, XAUI_FM1, XAUI_FM1, XAUI_FM1,
XAUI_FM1, NONE, NONE, NONE, NONE, },
[0x19] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
PCIE2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
[0x1a] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
SRIO2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
[0x1c] = {NONE, NONE, PCIE1, SGMII_FM1_DTSEC2, PCIE2, PCIE2,
SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, AURORA,
SGMII_FM1_DTSEC5, NONE, NONE, NONE, NONE, NONE, NONE, },
};
enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
{
enum srds_prtcl prtcl;
u32 svr = get_svr();
u32 ver = SVR_SOC_VER(svr);
if (!serdes_lane_enabled(lane))
return NONE;
prtcl = serdes_cfg_tbl[cfg][lane];
/* P2040[e] does not support XAUI */
if (ver == SVR_P2040 && prtcl == XAUI_FM1)
prtcl = NONE;
return prtcl;
}
int is_serdes_prtcl_valid(u32 prtcl)
{
int i;
u32 svr = get_svr();
u32 ver = SVR_SOC_VER(svr);
if (prtcl > ARRAY_SIZE(serdes_cfg_tbl))
return 0;
/* P2040[e] does not support XAUI */
if (ver == SVR_P2040 && prtcl == XAUI_FM1)
return 0;
for (i = 0; i < SRDS_MAX_LANES; i++) {
if (serdes_cfg_tbl[prtcl][i] != NONE)
return 1;
}
return 0;
}