mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-08 13:53:21 +09:00
![Tom Rini](/assets/img/avatar_default.png)
trini: Drop local memset() from examples/standalone/mem_to_mem_idma2intr.c Signed-off-by: Tom Rini <trini@konsulko.com>
180 lines
4.3 KiB
C
180 lines
4.3 KiB
C
/*
|
|
* Copyright 2014-2015 Freescale Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <linux/errno.h>
|
|
#include <asm/arch/fsl_serdes.h>
|
|
#include <asm/arch/soc.h>
|
|
#include <fsl-mc/ldpaa_wriop.h>
|
|
|
|
#ifdef CONFIG_SYS_FSL_SRDS_1
|
|
static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT];
|
|
#endif
|
|
#ifdef CONFIG_SYS_FSL_SRDS_2
|
|
static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT];
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSL_MC_ENET
|
|
int xfi_dpmac[XFI8 + 1];
|
|
int sgmii_dpmac[SGMII16 + 1];
|
|
#endif
|
|
|
|
int is_serdes_configured(enum srds_prtcl device)
|
|
{
|
|
int ret = 0;
|
|
|
|
#ifdef CONFIG_SYS_FSL_SRDS_1
|
|
if (!serdes1_prtcl_map[NONE])
|
|
fsl_serdes_init();
|
|
|
|
ret |= serdes1_prtcl_map[device];
|
|
#endif
|
|
#ifdef CONFIG_SYS_FSL_SRDS_2
|
|
if (!serdes2_prtcl_map[NONE])
|
|
fsl_serdes_init();
|
|
|
|
ret |= serdes2_prtcl_map[device];
|
|
#endif
|
|
|
|
return !!ret;
|
|
}
|
|
|
|
int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
|
|
{
|
|
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
|
|
u32 cfg = gur_in32(&gur->rcwsr[28]);
|
|
int i;
|
|
|
|
switch (sd) {
|
|
#ifdef CONFIG_SYS_FSL_SRDS_1
|
|
case FSL_SRDS_1:
|
|
cfg &= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK;
|
|
cfg >>= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
|
|
break;
|
|
#endif
|
|
#ifdef CONFIG_SYS_FSL_SRDS_2
|
|
case FSL_SRDS_2:
|
|
cfg &= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK;
|
|
cfg >>= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
|
|
break;
|
|
#endif
|
|
default:
|
|
printf("invalid SerDes%d\n", sd);
|
|
break;
|
|
}
|
|
/* Is serdes enabled at all? */
|
|
if (cfg == 0)
|
|
return -ENODEV;
|
|
|
|
for (i = 0; i < SRDS_MAX_LANES; i++) {
|
|
if (serdes_get_prtcl(sd, cfg, i) == device)
|
|
return i;
|
|
}
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
|
|
u8 serdes_prtcl_map[SERDES_PRCTL_COUNT])
|
|
{
|
|
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
|
|
u32 cfg;
|
|
int lane;
|
|
|
|
if (serdes_prtcl_map[NONE])
|
|
return;
|
|
|
|
memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
|
|
|
|
cfg = gur_in32(&gur->rcwsr[28]) & sd_prctl_mask;
|
|
cfg >>= sd_prctl_shift;
|
|
printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);
|
|
|
|
if (!is_serdes_prtcl_valid(sd, cfg))
|
|
printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg);
|
|
|
|
for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
|
|
enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane);
|
|
if (unlikely(lane_prtcl >= SERDES_PRCTL_COUNT))
|
|
debug("Unknown SerDes lane protocol %d\n", lane_prtcl);
|
|
else {
|
|
serdes_prtcl_map[lane_prtcl] = 1;
|
|
#ifdef CONFIG_FSL_MC_ENET
|
|
switch (lane_prtcl) {
|
|
case QSGMII_A:
|
|
wriop_init_dpmac(sd, 5, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 6, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 7, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 8, (int)lane_prtcl);
|
|
break;
|
|
case QSGMII_B:
|
|
wriop_init_dpmac(sd, 1, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 2, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 3, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 4, (int)lane_prtcl);
|
|
break;
|
|
case QSGMII_C:
|
|
wriop_init_dpmac(sd, 13, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 14, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 15, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 16, (int)lane_prtcl);
|
|
break;
|
|
case QSGMII_D:
|
|
wriop_init_dpmac(sd, 9, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 10, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 11, (int)lane_prtcl);
|
|
wriop_init_dpmac(sd, 12, (int)lane_prtcl);
|
|
break;
|
|
default:
|
|
if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
|
|
wriop_init_dpmac(sd,
|
|
xfi_dpmac[lane_prtcl],
|
|
(int)lane_prtcl);
|
|
|
|
if (lane_prtcl >= SGMII1 &&
|
|
lane_prtcl <= SGMII16)
|
|
wriop_init_dpmac(sd, sgmii_dpmac[
|
|
lane_prtcl],
|
|
(int)lane_prtcl);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/* Set the first element to indicate serdes has been initialized */
|
|
serdes_prtcl_map[NONE] = 1;
|
|
}
|
|
|
|
void fsl_serdes_init(void)
|
|
{
|
|
#ifdef CONFIG_FSL_MC_ENET
|
|
int i , j;
|
|
|
|
for (i = XFI1, j = 1; i <= XFI8; i++, j++)
|
|
xfi_dpmac[i] = j;
|
|
|
|
for (i = SGMII1, j = 1; i <= SGMII16; i++, j++)
|
|
sgmii_dpmac[i] = j;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_FSL_SRDS_1
|
|
serdes_init(FSL_SRDS_1,
|
|
CONFIG_SYS_FSL_LSCH3_SERDES_ADDR,
|
|
FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK,
|
|
FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT,
|
|
serdes1_prtcl_map);
|
|
#endif
|
|
#ifdef CONFIG_SYS_FSL_SRDS_2
|
|
serdes_init(FSL_SRDS_2,
|
|
CONFIG_SYS_FSL_LSCH3_SERDES_ADDR + FSL_SRDS_2 * 0x10000,
|
|
FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK,
|
|
FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT,
|
|
serdes2_prtcl_map);
|
|
#endif
|
|
}
|