u-boot/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c

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/*
* Copyright 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/immap_lsch2.h>
struct serdes_config {
u32 protocol;
u8 lanes[SRDS_MAX_LANES];
};
static struct serdes_config serdes1_cfg_tbl[] = {
/* SerDes 1 */
{0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC6} },
{0x1133, {XFI_FM1_MAC9, XFI_FM1_MAC10, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC6} },
{0x1333, {XFI_FM1_MAC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC6} },
{0x2333, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC6} },
{0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
{0x1040, {XFI_FM1_MAC9, NONE, QSGMII_FM1_A, NONE} },
{0x2040, {SGMII_2500_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} },
{0x1163, {XFI_FM1_MAC9, XFI_FM1_MAC10, PCIE1, SGMII_FM1_DTSEC6} },
{0x2263, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, PCIE1,
SGMII_FM1_DTSEC6} },
{0x3363, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6, PCIE1,
SGMII_FM1_DTSEC6} },
{0x2223, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
SGMII_2500_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
{}
};
static struct serdes_config serdes2_cfg_tbl[] = {
/* SerDes 2 */
{0x8888, {PCIE1, PCIE1, PCIE1, PCIE1} },
{0x5559, {PCIE1, PCIE2, PCIE3, SATA1} },
{0x5577, {PCIE1, PCIE2, PCIE3, PCIE3} },
{0x5506, {PCIE1, PCIE2, NONE, PCIE3} },
{0x0506, {NONE, PCIE2, NONE, PCIE3} },
{0x0559, {NONE, PCIE2, PCIE3, SATA1} },
{0x5A59, {PCIE1, SGMII_FM1_DTSEC2, PCIE3, SATA1} },
{0x5A06, {PCIE1, SGMII_FM1_DTSEC2, NONE, PCIE3} },
{}
};
static struct serdes_config *serdes_cfg_tbl[] = {
serdes1_cfg_tbl,
serdes2_cfg_tbl,
};
enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
{
struct serdes_config *ptr;
if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
return 0;
ptr = serdes_cfg_tbl[serdes];
while (ptr->protocol) {
if (ptr->protocol == cfg)
return ptr->lanes[lane];
ptr++;
}
return 0;
}
int is_serdes_prtcl_valid(int serdes, u32 prtcl)
{
int i;
struct serdes_config *ptr;
if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
return 0;
ptr = serdes_cfg_tbl[serdes];
while (ptr->protocol) {
if (ptr->protocol == prtcl)
break;
ptr++;
}
if (!ptr->protocol)
return 0;
for (i = 0; i < SRDS_MAX_LANES; i++) {
if (ptr->lanes[i] != NONE)
return 1;
}
return 0;
}