u-boot/arch/powerpc/cpu/mpc85xx/p4080_serdes.c
Kumar Gala 61054ffa16 powerpc/p4080: Add workaround for errata SERDES8
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-07-26 13:07:57 -05:00

98 lines
3.8 KiB
C

/*
* Copyright 2009-2010 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/io.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] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0x5] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0x8] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0xd] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM2_DTSEC3,
SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM2, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0xe] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, SGMII_FM2_DTSEC3,
SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM2, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0xf] = {PCIE1, PCIE1, PCIE1, PCIE1, SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2,
XAUI_FM2, XAUI_FM2, XAUI_FM2, NONE, NONE, NONE, NONE},
[0x10] = {PCIE1, PCIE1, PCIE3, PCIE3, SGMII_FM2_DTSEC1,
SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
NONE, NONE, NONE, NONE},
[0x13] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0x16] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1,
SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4},
[0x19] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
AURORA, AURORA, PCIE3, PCIE3, PCIE3, PCIE3, SGMII_FM1_DTSEC1,
SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4},
[0x1d] = {PCIE1, PCIE1, PCIE3, PCIE3, NONE, SRIO2, NONE, SRIO1,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0x22] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
[0x25] = {PCIE1, PCIE1, PCIE3, PCIE3, SRIO1, SRIO1, SRIO1, SRIO1,
AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
};
#ifdef CONFIG_SYS_P4080_ERRATUM_SERDES8
uint16_t srds_lpd_b[SRDS_MAX_BANK];
#endif
enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
{
if (!serdes_lane_enabled(lane))
return NONE;
return serdes_cfg_tbl[cfg][lane];
}
int is_serdes_prtcl_valid(u32 prtcl) {
int i;
if (prtcl > ARRAY_SIZE(serdes_cfg_tbl))
return 0;
for (i = 0; i < SRDS_MAX_LANES; i++) {
if (serdes_cfg_tbl[prtcl][i] != NONE)
return 1;
}
return 0;
}