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u-boot/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c

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armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
/*
armv8/fsl_lsch3: Change arch to fsl-layerscape There are two LS series processors are built on ARMv8 Layersacpe architecture currently, LS2085A and LS1043A. They are based on ARMv8 core although use different chassis, so create fsl-layerscape to refactor the common code for the LS series processors which also paves the way for adding LS1043A platform. Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: Hou Zhiqiang <B48286@freescale.com> Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-26 11:47:50 +00:00
* Copyright 2014-2015 Freescale Semiconductor, Inc.
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/arch/fsl_serdes.h>
armv8/fsl_lsch3: Change arch to fsl-layerscape There are two LS series processors are built on ARMv8 Layersacpe architecture currently, LS2085A and LS1043A. They are based on ARMv8 core although use different chassis, so create fsl-layerscape to refactor the common code for the LS series processors which also paves the way for adding LS1043A platform. Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: Hou Zhiqiang <B48286@freescale.com> Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-26 11:47:50 +00:00
#include <asm/arch/soc.h>
driver/ldpaa: Add support of WRIOP static data structure Wire rate IO Processor (WRIOP) provide support of receive and transmit ethernet frames from the ethernet MAC. Here Each WRIOP block supports upto 64 DPMACs. Create a house keeping data structure to support upto 16 DPMACs and store external phy related information. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:22 +00:00
#include <fsl-mc/ldpaa_wriop.h>
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
#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
armv8: lsch3: Fix lane protocol parsing logic Current implementation only consider SGMIIs for dpmac initialization. XFI serdes protocols also uses dpmac. Also, fix lane protocol parsing logic to consider both XFIs and SGMIIs. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-11-04 06:55:52 +00:00
#ifdef CONFIG_FSL_MC_ENET
int xfi_dpmac[XFI8 + 1];
int sgmii_dpmac[SGMII16 + 1];
#endif
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
int is_serdes_configured(enum srds_prtcl device)
{
int ret = 0;
#ifdef CONFIG_SYS_FSL_SRDS_1
fsl: serdes: ensure accessing the initialized maps of serdes protocol Up to now, the function is_serdes_configed() doesn't check if the map of serdes protocol is initialized before accessing it. The function is_serdes_configed() will get wrong result when it was called before the serdes protocol maps initialized. As the first element of the map isn't used for any device, so use it as the flag to indicate if the map has been initialized. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
2016-08-02 11:03:22 +00:00
if (!serdes1_prtcl_map[NONE])
fsl_serdes_init();
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
ret |= serdes1_prtcl_map[device];
#endif
#ifdef CONFIG_SYS_FSL_SRDS_2
fsl: serdes: ensure accessing the initialized maps of serdes protocol Up to now, the function is_serdes_configed() doesn't check if the map of serdes protocol is initialized before accessing it. The function is_serdes_configed() will get wrong result when it was called before the serdes protocol maps initialized. As the first element of the map isn't used for any device, so use it as the flag to indicate if the map has been initialized. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
2016-08-02 11:03:22 +00:00
if (!serdes2_prtcl_map[NONE])
fsl_serdes_init();
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
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);
armv8/fsl_lsch3: Change arch to fsl-layerscape There are two LS series processors are built on ARMv8 Layersacpe architecture currently, LS2085A and LS1043A. They are based on ARMv8 core although use different chassis, so create fsl-layerscape to refactor the common code for the LS series processors which also paves the way for adding LS1043A platform. Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: Hou Zhiqiang <B48286@freescale.com> Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-26 11:47:50 +00:00
u32 cfg = gur_in32(&gur->rcwsr[28]);
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
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;
fsl: serdes: ensure accessing the initialized maps of serdes protocol Up to now, the function is_serdes_configed() doesn't check if the map of serdes protocol is initialized before accessing it. The function is_serdes_configed() will get wrong result when it was called before the serdes protocol maps initialized. As the first element of the map isn't used for any device, so use it as the flag to indicate if the map has been initialized. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
2016-08-02 11:03:22 +00:00
if (serdes_prtcl_map[NONE])
return;
fsl_*_serdes.c: Modify memset call in serdes_init GCC 5.x does not like sizeof(array_variable) and errors out. Change these calls to be instead sizeof(u8) (as that's what serdes_prtcl_map is) * SERDES_PRCTL_COUNT (the number of array elements). Cc: York Sun <yorksun@freescale.com> Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-11-28 13:04:41 +00:00
memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
armv8/fsl_lsch3: Change arch to fsl-layerscape There are two LS series processors are built on ARMv8 Layersacpe architecture currently, LS2085A and LS1043A. They are based on ARMv8 core although use different chassis, so create fsl-layerscape to refactor the common code for the LS series processors which also paves the way for adding LS1043A platform. Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: Hou Zhiqiang <B48286@freescale.com> Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-26 11:47:50 +00:00
cfg = gur_in32(&gur->rcwsr[28]) & sd_prctl_mask;
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
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);
driver/ldpaa: Add support of WRIOP static data structure Wire rate IO Processor (WRIOP) provide support of receive and transmit ethernet frames from the ethernet MAC. Here Each WRIOP block supports upto 64 DPMACs. Create a house keeping data structure to support upto 16 DPMACs and store external phy related information. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:22 +00:00
else {
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
serdes_prtcl_map[lane_prtcl] = 1;
driver/ldpaa: Add support of WRIOP static data structure Wire rate IO Processor (WRIOP) provide support of receive and transmit ethernet frames from the ethernet MAC. Here Each WRIOP block supports upto 64 DPMACs. Create a house keeping data structure to support upto 16 DPMACs and store external phy related information. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:22 +00:00
#ifdef CONFIG_FSL_MC_ENET
armv8: fsl-lsch3: Initiaze 4 MACs per QSGMII in dpmac_info Every QSGMII SerDes Protocol usage 4 MACs. So add/repeat QSGMII information for 4 MACs in dpmac_info strucuture. Signed-off-by: King Chung Lo@freescale.com <KingChungLo@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-08-07 12:31:26 +00:00
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:
armv8: lsch3: Fix lane protocol parsing logic Current implementation only consider SGMIIs for dpmac initialization. XFI serdes protocols also uses dpmac. Also, fix lane protocol parsing logic to consider both XFIs and SGMIIs. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-11-04 06:55:52 +00:00
if (lane_prtcl >= XFI1 && lane_prtcl <= XFI8)
wriop_init_dpmac(sd,
xfi_dpmac[lane_prtcl],
(int)lane_prtcl);
armv8: fsl-lsch3: Initiaze 4 MACs per QSGMII in dpmac_info Every QSGMII SerDes Protocol usage 4 MACs. So add/repeat QSGMII information for 4 MACs in dpmac_info strucuture. Signed-off-by: King Chung Lo@freescale.com <KingChungLo@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-08-07 12:31:26 +00:00
if (lane_prtcl >= SGMII1 &&
armv8: lsch3: Fix lane protocol parsing logic Current implementation only consider SGMIIs for dpmac initialization. XFI serdes protocols also uses dpmac. Also, fix lane protocol parsing logic to consider both XFIs and SGMIIs. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-11-04 06:55:52 +00:00
lane_prtcl <= SGMII16)
wriop_init_dpmac(sd, sgmii_dpmac[
lane_prtcl],
armv8: fsl-lsch3: Initiaze 4 MACs per QSGMII in dpmac_info Every QSGMII SerDes Protocol usage 4 MACs. So add/repeat QSGMII information for 4 MACs in dpmac_info strucuture. Signed-off-by: King Chung Lo@freescale.com <KingChungLo@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-08-07 12:31:26 +00:00
(int)lane_prtcl);
break;
}
driver/ldpaa: Add support of WRIOP static data structure Wire rate IO Processor (WRIOP) provide support of receive and transmit ethernet frames from the ethernet MAC. Here Each WRIOP block supports upto 64 DPMACs. Create a house keeping data structure to support upto 16 DPMACs and store external phy related information. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:22 +00:00
#endif
}
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
}
fsl: serdes: ensure accessing the initialized maps of serdes protocol Up to now, the function is_serdes_configed() doesn't check if the map of serdes protocol is initialized before accessing it. The function is_serdes_configed() will get wrong result when it was called before the serdes protocol maps initialized. As the first element of the map isn't used for any device, so use it as the flag to indicate if the map has been initialized. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
2016-08-02 11:03:22 +00:00
/* Set the first element to indicate serdes has been initialized */
serdes_prtcl_map[NONE] = 1;
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
}
void fsl_serdes_init(void)
{
armv8: lsch3: Fix lane protocol parsing logic Current implementation only consider SGMIIs for dpmac initialization. XFI serdes protocols also uses dpmac. Also, fix lane protocol parsing logic to consider both XFIs and SGMIIs. Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-11-04 06:55:52 +00:00
#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
armv8: Add SerDes framework for Layerscape Architecture Add support of SerDes framework for Layerscape Architecture. - Add support of 2 SerDes block - Add SerDes protocol parsing and detection - Create table of SerDes protocol supported by LS2085A Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
2015-03-21 02:28:16 +00:00
#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
}
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