diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c')
-rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c new file mode 100644 index 0000000000..1da6b7135f --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c @@ -0,0 +1,99 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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 */ + {0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5, + SGMII_FM1_DTSEC6} }, + {0x1133, {XFI_FM1_MAC9, XFI_FM1_MAC10, SGMII_FM1_DTSEC5, + SGMII_FM1_DTSEC6} }, + {0x1333, {XFI_FM1_MAC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5, + SGMII_FM1_DTSEC6} }, + {0x2333, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5, + SGMII_FM1_DTSEC6} }, + {0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, + SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6} }, + {0x1040, {XFI_FM1_MAC9, NONE, QSGMII_FM1_A, NONE} }, + {0x2040, {SGMII_2500_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} }, + {0x1163, {XFI_FM1_MAC9, XFI_FM1_MAC10, PCIE1, SGMII_FM1_DTSEC6} }, + {0x2263, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, PCIE1, + SGMII_FM1_DTSEC6} }, + {0x3363, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6, PCIE1, + SGMII_FM1_DTSEC6} }, + {0x2223, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, + SGMII_2500_FM1_DTSEC5, SGMII_FM1_DTSEC6} }, + {} +}; + +static struct serdes_config serdes2_cfg_tbl[] = { + /* SerDes 2 */ + {0x8888, {PCIE1, PCIE1, PCIE1, PCIE1} }, + {0x5559, {PCIE1, PCIE2, PCIE3, SATA1} }, + {0x5577, {PCIE1, PCIE2, PCIE3, PCIE3} }, + {0x5506, {PCIE1, PCIE2, NONE, PCIE3} }, + {0x0506, {NONE, PCIE2, NONE, PCIE3} }, + {0x0559, {NONE, PCIE2, PCIE3, SATA1} }, + {0x5A59, {PCIE1, SGMII_FM1_DTSEC2, PCIE3, SATA1} }, + {0x5A06, {PCIE1, SGMII_FM1_DTSEC2, NONE, PCIE3} }, + {} +}; + +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; +} |