u-boot/arch/arm/cpu/armv8/fsl-layerscape/ls1043a_serdes.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
*/
#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 */
{0x1555, {XFI_FM1_MAC9, PCIE1, PCIE2, PCIE3} },
{0x2555, {SGMII_2500_FM1_DTSEC9, PCIE1, PCIE2, PCIE3} },
{0x4555, {QSGMII_FM1_A, PCIE1, PCIE2, PCIE3} },
{0x4558, {QSGMII_FM1_A, PCIE1, PCIE2, SATA1} },
{0x1355, {XFI_FM1_MAC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3} },
{0x2355, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3} },
{0x3335, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC5,
PCIE3} },
{0x3355, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3} },
{0x3358, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, SATA1} },
{0x3555, {SGMII_FM1_DTSEC9, PCIE1, PCIE2, PCIE3} },
{0x3558, {SGMII_FM1_DTSEC9, PCIE1, PCIE2, SATA1} },
{0x7000, {PCIE1, PCIE1, PCIE1, PCIE1} },
{0x9998, {PCIE1, PCIE2, PCIE3, SATA1} },
{0x6058, {PCIE1, PCIE1, PCIE2, SATA1} },
{0x1455, {XFI_FM1_MAC9, QSGMII_FM1_A, PCIE2, PCIE3} },
{0x2455, {SGMII_2500_FM1_DTSEC9, QSGMII_FM1_A, PCIE2, PCIE3} },
{0x2255, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC2, PCIE2, PCIE3} },
{0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC5,
SGMII_FM1_DTSEC6} },
{}
};
static struct serdes_config *serdes_cfg_tbl[] = {
serdes1_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;
}