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/*
* Copyright 2013 Freescale Semiconductor, Inc.
* Author: Prabhakar Kushwaha <prabhakar@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
#include <asm/io.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_serdes.h>
#define SRDS1_MAX_LANES 4
static u32 serdes1_prtcl_map;
static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
[0] = {NONE, NONE, NONE, NONE},
[1] = {PCIE1, PCIE2, CPRI2, CPRI1},
[2] = {PCIE1, PCIE2, CPRI2, CPRI1},
[3] = {PCIE1, PCIE2, CPRI2, CPRI1},
[4] = {PCIE1, PCIE2, CPRI2, CPRI1},
[5] = {PCIE1, PCIE2, CPRI2, CPRI1},
[6] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[7] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[8] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[9] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[10] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[11] = {PCIE1, PCIE2, SGMII_TSEC1, SGMII_TSEC2},
[12] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[13] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[14] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[15] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[16] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[17] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[18] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[19] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[20] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[21] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[22] = {PCIE1, PCIE2, CPRI2, CPRI1},
[23] = {PCIE1, PCIE2, CPRI2, CPRI1},
[24] = {PCIE1, PCIE2, CPRI2, CPRI1},
[25] = {PCIE1, PCIE2, CPRI2, CPRI1},
[26] = {PCIE1, PCIE2, CPRI2, CPRI1},
[27] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[28] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[29] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[30] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[31] = {PCIE1, PCIE2, SGMII_TSEC1, CPRI1},
[32] = {PCIE1, PCIE2, SGMII_TSEC1, SGMII_TSEC2},
[33] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[34] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[35] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[36] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[37] = {PCIE1, SGMII_TSEC2, CPRI2, CPRI1},
[38] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[39] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[40] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[41] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[42] = {PCIE1, SGMII_TSEC2, SGMII_TSEC1, CPRI1},
[43] = {SGMII_TSEC1, SGMII_TSEC2, CPRI2, CPRI1},
[44] = {SGMII_TSEC1, SGMII_TSEC2, CPRI2, CPRI1},
[45] = {SGMII_TSEC1, SGMII_TSEC2, CPRI2, CPRI1},
[46] = {SGMII_TSEC1, SGMII_TSEC2, CPRI2, CPRI1},
[47] = {SGMII_TSEC1, SGMII_TSEC2, CPRI2, CPRI1},
};
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 *)(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;
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);
}
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