u-boot/arch/arm/cpu/armv8/fsl-layerscape/ls2080a_serdes.c

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/*
* Copyright 2014-2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/fsl_serdes.h>
struct serdes_config {
u8 protocol;
u8 lanes[SRDS_MAX_LANES];
};
static struct serdes_config serdes1_cfg_tbl[] = {
/* SerDes 1 */
{0x03, {PCIE2, PCIE2, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } },
{0x05, {PCIE2, PCIE2, PCIE2, PCIE2, SGMII4, SGMII3, SGMII2, SGMII1 } },
{0x07, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, SGMII2,
SGMII1 } },
{0x09, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, SGMII2,
SGMII1 } },
{0x0A, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, SGMII2,
SGMII1 } },
{0x0C, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, SGMII2,
SGMII1 } },
{0x0E, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, SGMII2,
SGMII1 } },
{0x26, {SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, SGMII3, XFI2, XFI1 } },
{0x28, {SGMII8, SGMII7, SGMII6, SGMII5, XFI4, XFI3, XFI2, XFI1 } },
{0x2A, {XFI8, XFI7, XFI6, XFI5, XFI4, XFI3, XFI2, XFI1 } },
{0x2B, {SGMII8, SGMII7, SGMII6, SGMII5, XAUI1, XAUI1, XAUI1, XAUI1 } },
{0x32, {XAUI2, XAUI2, XAUI2, XAUI2, XAUI1, XAUI1, XAUI1, XAUI1 } },
{0x33, {PCIE2, PCIE2, PCIE2, PCIE2, QSGMII_D, QSGMII_C, QSGMII_B,
QSGMII_A} },
{0x35, {QSGMII_D, QSGMII_C, QSGMII_B, PCIE2, XFI4, XFI3, XFI2, XFI1 } },
{}
};
static struct serdes_config serdes2_cfg_tbl[] = {
/* SerDes 2 */
{0x07, {SGMII9, SGMII10, SGMII11, SGMII12, SGMII13, SGMII14, SGMII15,
SGMII16 } },
{0x09, {SGMII9, SGMII10, SGMII11, SGMII12, SGMII13, SGMII14, SGMII15,
SGMII16 } },
{0x0A, {SGMII9, SGMII10, SGMII11, SGMII12, SGMII13, SGMII14, SGMII15,
SGMII16 } },
{0x0C, {SGMII9, SGMII10, SGMII11, SGMII12, SGMII13, SGMII14, SGMII15,
SGMII16 } },
{0x0E, {SGMII9, SGMII10, SGMII11, SGMII12, SGMII13, SGMII14, SGMII15,
SGMII16 } },
{0x3D, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3 } },
{0x3E, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3 } },
{0x3F, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4 } },
{0x40, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4 } },
{0x41, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA2 } },
{0x42, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA2 } },
{0x43, {PCIE3, PCIE3, PCIE3, PCIE3, NONE, NONE, SATA1, SATA2 } },
{0x44, {PCIE3, PCIE3, PCIE3, PCIE3, NONE, NONE, SATA1, SATA2 } },
{0x45, {SGMII9, SGMII10, SGMII11, SGMII12, PCIE4, PCIE4, PCIE4,
PCIE4 } },
{0x47, {PCIE3, SGMII10, SGMII11, SGMII12, PCIE4, SGMII14, SGMII15,
SGMII16 } },
{0x49, {SGMII9, SGMII10, SGMII11, SGMII12, PCIE4, PCIE4, SATA1,
SATA2 } },
{0x4A, {SGMII9, SGMII10, SGMII11, SGMII12, PCIE4, PCIE4, SATA1,
SATA2 } },
{}
};
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;
}