126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2017 NXP
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*/
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#include <common.h>
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#include <asm/arch/fsl_serdes.h>
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struct serdes_config {
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u8 ip_protocol;
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u8 lanes[SRDS_MAX_LANES];
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u8 rcw_lanes[SRDS_MAX_LANES];
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};
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static struct serdes_config serdes1_cfg_tbl[] = {
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/* SerDes 1 */
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{0x12, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 3, 3 } },
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{0x15, {SGMII3, SGMII7, XFI1, XFI2 }, {3, 3, 1, 1 } },
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{0x16, {SGMII3, SGMII7, SGMII1, XFI2 }, {3, 3, 3, 1 } },
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{0x17, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 3, 2 } },
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{0x18, {SGMII3, SGMII7, SGMII1, SGMII2 }, {3, 3, 2, 2 } },
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{0x19, {SGMII3, QSGMII_B, XFI1, XFI2}, {3, 4, 1, 1 } },
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{0x1A, {SGMII3, QSGMII_B, SGMII1, XFI2 }, {3, 4, 3, 1 } },
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{0x1B, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 3, 2 } },
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{0x1C, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 2, 2 } },
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{0x1D, {QSGMII_A, QSGMII_B, XFI1, XFI2 }, {4, 4, 1, 1 } },
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{0x1E, {QSGMII_A, QSGMII_B, SGMII1, XFI2 }, {4, 4, 3, 1 } },
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{0x1F, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 3, 2 } },
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{0x20, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 2, 2 } },
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{0x35, {SGMII3, QSGMII_B, SGMII1, SGMII2 }, {3, 4, 3, 3 } },
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{0x36, {QSGMII_A, QSGMII_B, SGMII1, SGMII2 }, {4, 4, 3, 3 } },
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{0x3A, {SGMII3, PCIE1, SGMII1, SGMII2 }, {3, 5, 3, 3 } },
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{}
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};
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static struct serdes_config serdes2_cfg_tbl[] = {
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/* SerDes 2 */
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{0x0C, {PCIE1, PCIE1, PCIE1, PCIE1 }, {8, 8, 8, 8 } },
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{0x0D, {PCIE1, PCIE2, PCIE3, SATA1 }, {5, 5, 5, 9 } },
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{0x0E, {PCIE1, PCIE1, PCIE2, SATA1 }, {7, 7, 6, 9 } },
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{0x13, {PCIE1, PCIE1, PCIE3, PCIE3 }, {7, 7, 7, 7 } },
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{0x14, {PCIE1, PCIE2, PCIE3, PCIE3 }, {5, 5, 7, 7 } },
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{0x3C, {NONE, PCIE2, NONE, PCIE3 }, {0, 5, 0, 6 } },
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{}
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};
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static struct serdes_config *serdes_cfg_tbl[] = {
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serdes1_cfg_tbl,
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serdes2_cfg_tbl,
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};
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int serdes_get_number(int serdes, int cfg)
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{
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struct serdes_config *ptr;
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int i, j, index, lnk;
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int is_found, max_lane = SRDS_MAX_LANES;
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if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
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return 0;
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ptr = serdes_cfg_tbl[serdes];
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while (ptr->ip_protocol) {
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is_found = 1;
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for (i = 0, j = max_lane - 1; i < max_lane; i++, j--) {
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lnk = cfg & (0xf << 4 * i);
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lnk = lnk >> (4 * i);
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index = (serdes == FSL_SRDS_1) ? j : i;
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if (ptr->rcw_lanes[index] == lnk && is_found)
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is_found = 1;
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else
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is_found = 0;
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}
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if (is_found)
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return ptr->ip_protocol;
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ptr++;
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}
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return 0;
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}
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enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
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{
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struct serdes_config *ptr;
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if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
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return 0;
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ptr = serdes_cfg_tbl[serdes];
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while (ptr->ip_protocol) {
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if (ptr->ip_protocol == cfg)
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return ptr->lanes[lane];
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ptr++;
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}
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return 0;
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}
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int is_serdes_prtcl_valid(int serdes, u32 prtcl)
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{
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int i;
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struct serdes_config *ptr;
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if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
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return 0;
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ptr = serdes_cfg_tbl[serdes];
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while (ptr->ip_protocol) {
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if (ptr->ip_protocol == prtcl)
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break;
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ptr++;
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}
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if (!ptr->ip_protocol)
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return 0;
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for (i = 0; i < SRDS_MAX_LANES; i++) {
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if (ptr->lanes[i] != NONE)
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return 1;
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}
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return 0;
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}
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