// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2010 Freescale Semiconductor, Inc. */ #include #include #include #include #include #include #define SRDS1_MAX_LANES 4 static u32 serdes1_prtcl_map; static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { [0x0] = {PCIE1, NONE, NONE, NONE}, [0x2] = {PCIE1, PCIE2, PCIE3, PCIE3}, [0x4] = {PCIE1, PCIE1, PCIE3, PCIE3}, [0x6] = {PCIE1, PCIE1, PCIE1, PCIE1}, [0x7] = {SRIO2, SRIO1, NONE, NONE}, [0x8] = {SRIO2, SRIO2, SRIO2, SRIO2}, [0x9] = {SRIO2, SRIO2, SRIO2, SRIO2}, [0xa] = {SRIO2, SRIO2, SRIO2, SRIO2}, [0xb] = {SRIO2, SRIO1, SGMII_TSEC2, SGMII_TSEC3}, [0xc] = {SRIO2, SRIO1, SGMII_TSEC2, SGMII_TSEC3}, [0xd] = {PCIE1, SRIO1, SGMII_TSEC2, SGMII_TSEC3}, [0xe] = {PCIE1, PCIE2, SGMII_TSEC2, SGMII_TSEC3}, [0xf] = {PCIE1, PCIE1, SGMII_TSEC2, SGMII_TSEC3}, }; int is_serdes_configured(enum srds_prtcl prtcl) { if (!(serdes1_prtcl_map & (1 << NONE))) fsl_serdes_init(); return (1 << prtcl) & serdes1_prtcl_map; } void fsl_serdes_init(void) { ccsr_gur_t *gur = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR); u32 pordevsr = in_be32(&gur->pordevsr); u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> MPC85xx_PORDEVSR_IO_SEL_SHIFT; int lane; if (serdes1_prtcl_map & (1 << NONE)) return; debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg); if (srds_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) { printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg); return; } for (lane = 0; lane < SRDS1_MAX_LANES; lane++) { enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane]; serdes1_prtcl_map |= (1 << lane_prtcl); } /* Set the first bit to indicate serdes has been initialized */ serdes1_prtcl_map |= (1 << NONE); }