diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/ls1088a_serdes.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1088a_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/ls1088a_serdes.c index 8e8b45ad9b..280afbbf98 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/ls1088a_serdes.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1088a_serdes.c @@ -1,10 +1,12 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright 2017 NXP + * Copyright 2017-2019 NXP */ #include <common.h> #include <asm/arch/fsl_serdes.h> +#include <asm/arch/soc.h> +#include <asm/io.h> struct serdes_config { u8 ip_protocol; @@ -32,6 +34,7 @@ static struct serdes_config serdes1_cfg_tbl[] = { {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 } }, @@ -48,6 +51,15 @@ static struct serdes_config *serdes_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; @@ -87,7 +99,14 @@ enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane) 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) |