upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.4 KiB
60 lines
1.4 KiB
/*
|
|
* Copyright 2010-2011 Freescale Semiconductor, Inc.
|
|
* Author: Roy Zang <tie-fei.zang@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 const u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
|
|
[0x00] = {PCIE1, PCIE2, NONE, NONE},
|
|
[0x01] = {PCIE1, PCIE2, PCIE3, NONE},
|
|
[0x02] = {PCIE1, PCIE2, PCIE3, SGMII_FM1_DTSEC2},
|
|
[0x03] = {PCIE1, PCIE2, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2},
|
|
};
|
|
|
|
int is_serdes_configured(enum srds_prtcl device)
|
|
{
|
|
int ret;
|
|
|
|
if (!(serdes1_prtcl_map & (1 << NONE)))
|
|
fsl_serdes_init();
|
|
|
|
ret = (1 << device) & serdes1_prtcl_map;
|
|
return ret;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|