X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8572_serdes.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8572_serdes.c;h=3632eb557e4e7385ac7bce20a0f10a4f5b8629e9;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8572_serdes.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8572_serdes.c new file mode 100644 index 000000000..3632eb557 --- /dev/null +++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8572_serdes.c @@ -0,0 +1,65 @@ +/* + * Copyright 2010 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +#define SRDS1_MAX_LANES 8 + +static u32 serdes1_prtcl_map; + +static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { + [0x2] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, NONE, NONE}, + [0x3] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2}, + [0x6] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1}, + [0x7] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE3, PCIE3}, + [0xb] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1}, + [0xc] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1}, + [0xd] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1}, + [0xe] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1}, + [0xf] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1}, +}; + +int is_serdes_configured(enum srds_prtcl prtcl) +{ + return (1 << prtcl) & serdes1_prtcl_map; +} + +void fsl_serdes_init(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_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; + + 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); + } + + if (!(pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) + serdes1_prtcl_map |= (1 << SGMII_TSEC1); + + if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) + serdes1_prtcl_map |= (1 << SGMII_TSEC2); + + if (!(pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) + serdes1_prtcl_map |= (1 << SGMII_TSEC3); + + if (!(pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) + serdes1_prtcl_map |= (1 << SGMII_TSEC4); +}