diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/p5040_serdes.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/p5040_serdes.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/p5040_serdes.c b/arch/powerpc/cpu/mpc85xx/p5040_serdes.c new file mode 100644 index 0000000000..890b88e4e3 --- /dev/null +++ b/arch/powerpc/cpu/mpc85xx/p5040_serdes.c @@ -0,0 +1,117 @@ +/* + * Copyright 2009-2011 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" + +/* + * Note: For P5040, the fourth SerDes bank (with two lanes) is on SerDes2, but + * U-boot only supports one SerDes controller. Therefore, we ignore bank 4 in + * this table. This works because most of the SerDes code is for errata + * work-arounds, and there are no P5040 errata that effect bank 4. + */ + +static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = { + [0x00] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2, + SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1, + SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, + XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, /* SATA1, SATA2, */ }, + [0x01] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, XAUI_FM1, XAUI_FM1, + XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, XAUI_FM2, + XAUI_FM2, /* SATA1, SATA2 */ }, + [0x02] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM1_DTSEC3, + SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, + XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, + XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ }, + [0x03] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM2_DTSEC1, + SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, + SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, + SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, + /* SATA1, SATA2 */ }, + [0x04] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE3, SGMII_FM2_DTSEC1, + SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, + SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, + SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, + /* SATA1, SATA2 */ }, + [0x05] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE3, SGMII_FM1_DTSEC3, + SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, + XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, + XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ }, + [0x06] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, + SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1, + SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, + XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2, /* SATA1, SATA2 */ }, + [0x07] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, XAUI_FM1, XAUI_FM1, + XAUI_FM1, XAUI_FM1, XAUI_FM2, XAUI_FM2, XAUI_FM2, + XAUI_FM2, /* SATA1, SATA2 */ }, + [0x11] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2, + AURORA, AURORA, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, + SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, SATA1, SATA2, + /* NONE, NONE */ }, + [0x15] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2, + AURORA, AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, + NONE, NONE, SATA1, SATA2, /* NONE, NONE */ }, + [0x2a] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2, + AURORA, AURORA, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, + SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, XAUI_FM2, XAUI_FM2, + XAUI_FM2, XAUI_FM2, /* NONE, NONE */ }, + [0x34] = {PCIE1, PCIE1, PCIE1, PCIE1, SGMII_FM1_DTSEC1, + SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA, + AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE, + NONE, SATA1, SATA2, /* NONE, NONE */ }, + [0x35] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, + SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA, AURORA, XAUI_FM1, + XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE, NONE, SATA1, SATA2, + /* NONE, NONE */ }, + [0x36] = {PCIE1, PCIE1, PCIE3, PCIE3, SGMII_FM1_DTSEC1, + SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, AURORA, + AURORA, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1, NONE, + NONE, SATA1, SATA2, /* NONE, NONE */ }, +}; + +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; +} |