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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017-2019 NXP
*/
#include <common.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/soc.h>
#include <asm/io.h>
#include <linux/kernel.h>
struct serdes_config {
u8 ip_protocol;
u8 lanes[SRDS_MAX_LANES];
u8 rcw_lanes[SRDS_MAX_LANES];
};
static struct serdes_config serdes1_cfg_tbl[] = {
/* SerDes 1 */
{0x12, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 3, 3 } },
{0x15, {SGMII3, SGMII7, XFI1, XFI2 }, {3, 3, 1, 1 } },
{0x16, {SGMII3, SGMII7, SGMII1, XFI2 }, {3, 3, 3, 1 } },
{0x17, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 3, 2 } },
{0x18, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 2, 2 } },
{0x19, {SGMII3, QSGMII_B, XFI1, XFI2}, {3, 4, 1, 1 } },
{0x1A, {SGMII3, QSGMII_B, SGMII1, XFI2 }, {3, 4, 3, 1 } },
{0x1B, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 3, 2 } },
{0x1C, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 2, 2 } },
{0x1D, {QSGMII_A, QSGMII_B, XFI1, XFI2 }, {4, 4, 1, 1 } },
{0x1E, {QSGMII_A, QSGMII_B, SGMII1, XFI2 }, {4, 4, 3, 1 } },
{0x1F, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 3, 2 } },
{0x20, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 2, 2 } },
{0x35, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 3, 3 } },
{0x36, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 3, 3 } },
{0x3A, {SGMII3, PCIE1, SGMII1, SGMII2 }, {3, 5, 3, 3 } },
{}
};
static struct serdes_config serdes2_cfg_tbl[] = {
/* SerDes 2 */
{0x0C, {PCIE1, PCIE1, PCIE1, PCIE1 }, {8, 8, 8, 8 } },
{0x0D, {PCIE1, PCIE2, PCIE3, SATA1 }, {5, 5, 5, 9 } },
{0x0E, {PCIE1, PCIE1, PCIE2, SATA1 }, {7, 7, 6, 9 } },
{0x13, {PCIE1, PCIE1, PCIE3, PCIE3 }, {7, 7, 7, 7 } },
{0x14, {PCIE1, PCIE2, PCIE3, PCIE3 }, {5, 5, 7, 7 } },
{0x3C, {NONE, PCIE2, NONE, PCIE3 }, {0, 5, 0, 6 } },
{}
};
static struct serdes_config *serdes_cfg_tbl[] = {
serdes1_cfg_tbl,
serdes2_cfg_tbl,
};
bool soc_has_mac1(void)
{
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
unsigned int svr = gur_in32(&gur->svr);
unsigned int version = SVR_SOC_VER(svr);
return (version == SVR_LS1088A || version == SVR_LS1084A);
}
int serdes_get_number(int serdes, int cfg)
{
struct serdes_config *ptr;
int i, j, index, lnk;
int is_found, max_lane = SRDS_MAX_LANES;
if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
return 0;
ptr = serdes_cfg_tbl[serdes];
while (ptr->ip_protocol) {
is_found = 1;
for (i = 0, j = max_lane - 1; i < max_lane; i++, j--) {
lnk = cfg & (0xf << 4 * i);
lnk = lnk >> (4 * i);
index = (serdes == FSL_SRDS_1) ? j : i;
if (ptr->rcw_lanes[index] == lnk && is_found)
is_found = 1;
else
is_found = 0;
}
if (is_found)
return ptr->ip_protocol;
ptr++;
}
return 0;
}
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;
/*
* LS1044A/1048A support only one XFI port
* Disable MAC1 for LS1044A/1048A
*/
if (serdes == FSL_SRDS_1 && lane == 2) {
if (!soc_has_mac1())
return 0;
}
ptr = serdes_cfg_tbl[serdes];
while (ptr->ip_protocol) {
if (ptr->ip_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->ip_protocol) {
if (ptr->ip_protocol == prtcl)
break;
ptr++;
}
if (!ptr->ip_protocol)
return 0;
for (i = 0; i < SRDS_MAX_LANES; i++) {
if (ptr->lanes[i] != NONE)
return 1;
}
return 0;
}
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