diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c')
-rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c new file mode 100644 index 0000000000..a04a370268 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#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 */ + {0x01, {PCIE2, PCIE2, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } }, + {0x02, {PCIE2, PCIE2, PCIE2, PCIE2, SGMII6, SGMII5, SGMII4, SGMII3 } }, + {0x03, {PCIE2, PCIE2, PCIE2, PCIE2, XFI6, XFI5, XFI4, + XFI3 } }, + {0x04, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, SGMII4, + SGMII3 } }, + {0x05, {XFI10, XFI9, XFI8, XFI7, PCIE1, PCIE1, PCIE1, + PCIE1 } }, + {0x06, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, XFI4, + XFI3 } }, + {0x07, {SGMII10, SGMII9, SGMII8, SGMII7, XFI6, XFI5, XFI4, + XFI3 } }, + {0x08, {XFI10, XFI9, XFI8, XFI7, XFI6, XFI5, XFI4, XFI3 } }, + {0x09, {SGMII10, SGMII9, SGMII8, PCIE2, SGMII6, SGMII5, SGMII4, + PCIE1 } }, + {0x0A, {XFI10, XFI9, XFI8, PCIE2, XFI6, XFI5, XFI4, PCIE1 } }, + {0x0B, {SGMII10, SGMII9, PCIE2, PCIE2, SGMII6, SGMII5, PCIE1, PCIE1 } }, + {0x0C, {SGMII10, SGMII9, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } }, + {0x0D, {_100GE2, _100GE2, _100GE2, _100GE2, _100GE1, _100GE1, _100GE1, + _100GE1 } }, + {0x0E, {PCIE2, PCIE2, PCIE2, PCIE2, _100GE1, _100GE1, _100GE1, + _100GE1 } }, + {0x0F, {PCIE2, PCIE2, PCIE2, PCIE2, _50GE2, _50GE2, _50GE1, _50GE1 } }, + {0x10, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _50GE1, _50GE1 } }, + {0x11, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4, _25GE3 } }, + {0x12, {XFI10, XFI9, XFI8, XFI7, _25GE6, _25GE5, XFI4, + XFI3 } }, + {0x13, {_40GE2, _40GE2, _40GE2, _40GE2, _25GE6, _25GE5, XFI4, XFI3 } }, + {0x14, {_40GE2, _40GE2, _40GE2, _40GE2, _40GE1, _40GE1, _40GE1, + _40GE1 } }, + {0x15, {_25GE10, _25GE9, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4, + _25GE3 } }, + {0x16, {XFI10, XFI9, PCIE2, PCIE2, XFI6, XFI5, XFI4, XFI3 } }, + {} +}; + +static struct serdes_config serdes2_cfg_tbl[] = { + /* SerDes 2 */ + {0x01, {PCIE3, PCIE3, SATA1, SATA2, PCIE4, PCIE4, PCIE4, PCIE4 } }, + {0x02, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3 } }, + {0x03, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4 } }, + {0x04, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA2 } }, + {0x05, {PCIE3, PCIE3, PCIE3, PCIE3, SATA3, SATA4, SATA1, SATA2 } }, + {0x06, {PCIE3, PCIE3, PCIE3, PCIE3, SGMII15, SGMII16, XFI13, + XFI14 } }, + {0x07, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, XFI13, + XFI14 } }, + {0x08, {NONE, NONE, SATA1, SATA2, SATA3, SATA4, XFI13, XFI14 } }, + {0x09, {SGMII11, SGMII12, SGMII17, SGMII18, SGMII15, SGMII16, SGMII13, + SGMII14} }, + {0x0A, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, PCIE4, + PCIE4 } }, + {0x0B, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, SGMII13, + SGMII14 } }, + {0x0C, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, SATA1, + SATA2 } }, + {0x0D, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SGMII13, SGMII14 } }, + {0x0E, {PCIE3, PCIE3, SGMII17, SGMII18, PCIE4, PCIE4, SGMII13, + SGMII14 } }, + {} +}; + +static struct serdes_config serdes3_cfg_tbl[] = { + /* SerDes 3 */ + {0x02, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5 } }, + {0x03, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE6, PCIE6, PCIE6, PCIE6 } }, + {} +}; + +static struct serdes_config *serdes_cfg_tbl[] = { + serdes1_cfg_tbl, + serdes2_cfg_tbl, + serdes3_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; +} |