u-boot/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
Simon Glass f7ae49fc4f common: Drop log.h from common header
Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 21:19:18 -04:00

58 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2010 Freescale Semiconductor, Inc.
*/
#include <config.h>
#include <common.h>
#include <log.h>
#include <asm/io.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_serdes.h>
#define SRDS1_MAX_LANES 8
static u32 serdes1_prtcl_map;
static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
[0x3] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1},
[0x4] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1},
[0x5] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1},
[0x6] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1},
[0x7] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1},
};
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);
}