mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 03:53:31 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
304 lines
8.4 KiB
C
304 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2020 Marvell International Ltd.
|
|
*/
|
|
|
|
#ifndef __CVMX_QLM_H__
|
|
#define __CVMX_QLM_H__
|
|
|
|
/*
|
|
* Interface 0 on the 78xx can be connected to qlm 0 or qlm 2. When interface
|
|
* 0 is connected to qlm 0, this macro must be set to 0. When interface 0 is
|
|
* connected to qlm 2, this macro must be set to 1.
|
|
*/
|
|
#define MUX_78XX_IFACE0 0
|
|
|
|
/*
|
|
* Interface 1 on the 78xx can be connected to qlm 1 or qlm 3. When interface
|
|
* 1 is connected to qlm 1, this macro must be set to 0. When interface 1 is
|
|
* connected to qlm 3, this macro must be set to 1.
|
|
*/
|
|
#define MUX_78XX_IFACE1 0
|
|
|
|
/* Uncomment this line to print QLM JTAG state */
|
|
/* #define CVMX_QLM_DUMP_STATE 1 */
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
int stop_bit;
|
|
int start_bit;
|
|
} __cvmx_qlm_jtag_field_t;
|
|
|
|
/**
|
|
* Return the number of QLMs supported by the chip
|
|
*
|
|
* Return: Number of QLMs
|
|
*/
|
|
int cvmx_qlm_get_num(void);
|
|
|
|
/**
|
|
* Return the qlm number based on the interface
|
|
*
|
|
* @param xiface Interface to look
|
|
*/
|
|
int cvmx_qlm_interface(int xiface);
|
|
|
|
/**
|
|
* Return the qlm number based for a port in the interface
|
|
*
|
|
* @param xiface interface to look up
|
|
* @param index index in an interface
|
|
*
|
|
* Return: the qlm number based on the xiface
|
|
*/
|
|
int cvmx_qlm_lmac(int xiface, int index);
|
|
|
|
/**
|
|
* Return if only DLM5/DLM6/DLM5+DLM6 is used by BGX
|
|
*
|
|
* @param BGX BGX to search for.
|
|
*
|
|
* Return: muxes used 0 = DLM5+DLM6, 1 = DLM5, 2 = DLM6.
|
|
*/
|
|
int cvmx_qlm_mux_interface(int bgx);
|
|
|
|
/**
|
|
* Return number of lanes for a given qlm
|
|
*
|
|
* @param qlm QLM block to query
|
|
*
|
|
* Return: Number of lanes
|
|
*/
|
|
int cvmx_qlm_get_lanes(int qlm);
|
|
|
|
/**
|
|
* Get the QLM JTAG fields based on Octeon model on the supported chips.
|
|
*
|
|
* Return: qlm_jtag_field_t structure
|
|
*/
|
|
const __cvmx_qlm_jtag_field_t *cvmx_qlm_jtag_get_field(void);
|
|
|
|
/**
|
|
* Get the QLM JTAG length by going through qlm_jtag_field for each
|
|
* Octeon model that is supported
|
|
*
|
|
* Return: return the length.
|
|
*/
|
|
int cvmx_qlm_jtag_get_length(void);
|
|
|
|
/**
|
|
* Initialize the QLM layer
|
|
*/
|
|
void cvmx_qlm_init(void);
|
|
|
|
/**
|
|
* Get a field in a QLM JTAG chain
|
|
*
|
|
* @param qlm QLM to get
|
|
* @param lane Lane in QLM to get
|
|
* @param name String name of field
|
|
*
|
|
* Return: JTAG field value
|
|
*/
|
|
u64 cvmx_qlm_jtag_get(int qlm, int lane, const char *name);
|
|
|
|
/**
|
|
* Set a field in a QLM JTAG chain
|
|
*
|
|
* @param qlm QLM to set
|
|
* @param lane Lane in QLM to set, or -1 for all lanes
|
|
* @param name String name of field
|
|
* @param value Value of the field
|
|
*/
|
|
void cvmx_qlm_jtag_set(int qlm, int lane, const char *name, u64 value);
|
|
|
|
/**
|
|
* Errata G-16094: QLM Gen2 Equalizer Default Setting Change.
|
|
* CN68XX pass 1.x and CN66XX pass 1.x QLM tweak. This function tweaks the
|
|
* JTAG setting for a QLMs to run better at 5 and 6.25Ghz.
|
|
*/
|
|
void __cvmx_qlm_speed_tweak(void);
|
|
|
|
/**
|
|
* Errata G-16174: QLM Gen2 PCIe IDLE DAC change.
|
|
* CN68XX pass 1.x, CN66XX pass 1.x and CN63XX pass 1.0-2.2 QLM tweak.
|
|
* This function tweaks the JTAG setting for a QLMs for PCIe to run better.
|
|
*/
|
|
void __cvmx_qlm_pcie_idle_dac_tweak(void);
|
|
|
|
void __cvmx_qlm_pcie_cfg_rxd_set_tweak(int qlm, int lane);
|
|
|
|
/**
|
|
* Get the speed (Gbaud) of the QLM in Mhz.
|
|
*
|
|
* @param qlm QLM to examine
|
|
*
|
|
* Return: Speed in Mhz
|
|
*/
|
|
int cvmx_qlm_get_gbaud_mhz(int qlm);
|
|
/**
|
|
* Get the speed (Gbaud) of the QLM in Mhz on specific node.
|
|
*
|
|
* @param node Target QLM node
|
|
* @param qlm QLM to examine
|
|
*
|
|
* Return: Speed in Mhz
|
|
*/
|
|
int cvmx_qlm_get_gbaud_mhz_node(int node, int qlm);
|
|
|
|
enum cvmx_qlm_mode {
|
|
CVMX_QLM_MODE_DISABLED = -1,
|
|
CVMX_QLM_MODE_SGMII = 1,
|
|
CVMX_QLM_MODE_XAUI,
|
|
CVMX_QLM_MODE_RXAUI,
|
|
CVMX_QLM_MODE_PCIE, /* gen3 / gen2 / gen1 */
|
|
CVMX_QLM_MODE_PCIE_1X2, /* 1x2 gen2 / gen1 */
|
|
CVMX_QLM_MODE_PCIE_2X1, /* 2x1 gen2 / gen1 */
|
|
CVMX_QLM_MODE_PCIE_1X1, /* 1x1 gen2 / gen1 */
|
|
CVMX_QLM_MODE_SRIO_1X4, /* 1x4 short / long */
|
|
CVMX_QLM_MODE_SRIO_2X2, /* 2x2 short / long */
|
|
CVMX_QLM_MODE_SRIO_4X1, /* 4x1 short / long */
|
|
CVMX_QLM_MODE_ILK,
|
|
CVMX_QLM_MODE_QSGMII,
|
|
CVMX_QLM_MODE_SGMII_SGMII,
|
|
CVMX_QLM_MODE_SGMII_DISABLED,
|
|
CVMX_QLM_MODE_DISABLED_SGMII,
|
|
CVMX_QLM_MODE_SGMII_QSGMII,
|
|
CVMX_QLM_MODE_QSGMII_QSGMII,
|
|
CVMX_QLM_MODE_QSGMII_DISABLED,
|
|
CVMX_QLM_MODE_DISABLED_QSGMII,
|
|
CVMX_QLM_MODE_QSGMII_SGMII,
|
|
CVMX_QLM_MODE_RXAUI_1X2,
|
|
CVMX_QLM_MODE_SATA_2X1,
|
|
CVMX_QLM_MODE_XLAUI,
|
|
CVMX_QLM_MODE_XFI,
|
|
CVMX_QLM_MODE_10G_KR,
|
|
CVMX_QLM_MODE_40G_KR4,
|
|
CVMX_QLM_MODE_PCIE_1X8, /* 1x8 gen3 / gen2 / gen1 */
|
|
CVMX_QLM_MODE_RGMII_SGMII,
|
|
CVMX_QLM_MODE_RGMII_XFI,
|
|
CVMX_QLM_MODE_RGMII_10G_KR,
|
|
CVMX_QLM_MODE_RGMII_RXAUI,
|
|
CVMX_QLM_MODE_RGMII_XAUI,
|
|
CVMX_QLM_MODE_RGMII_XLAUI,
|
|
CVMX_QLM_MODE_RGMII_40G_KR4,
|
|
CVMX_QLM_MODE_MIXED, /* BGX2 is mixed mode, DLM5(SGMII) & DLM6(XFI) */
|
|
CVMX_QLM_MODE_SGMII_2X1, /* Configure BGX2 separate for DLM5 & DLM6 */
|
|
CVMX_QLM_MODE_10G_KR_1X2, /* Configure BGX2 separate for DLM5 & DLM6 */
|
|
CVMX_QLM_MODE_XFI_1X2, /* Configure BGX2 separate for DLM5 & DLM6 */
|
|
CVMX_QLM_MODE_RGMII_SGMII_1X1, /* Configure BGX2, applies to DLM5 */
|
|
CVMX_QLM_MODE_RGMII_SGMII_2X1, /* Configure BGX2, applies to DLM6 */
|
|
CVMX_QLM_MODE_RGMII_10G_KR_1X1, /* Configure BGX2, applies to DLM6 */
|
|
CVMX_QLM_MODE_RGMII_XFI_1X1, /* Configure BGX2, applies to DLM6 */
|
|
CVMX_QLM_MODE_SDL, /* RMAC Pipe */
|
|
CVMX_QLM_MODE_CPRI, /* RMAC */
|
|
CVMX_QLM_MODE_OCI
|
|
};
|
|
|
|
enum cvmx_gmx_inf_mode {
|
|
CVMX_GMX_INF_MODE_DISABLED = 0,
|
|
CVMX_GMX_INF_MODE_SGMII = 1, /* Other interface can be SGMII or QSGMII */
|
|
CVMX_GMX_INF_MODE_QSGMII = 2, /* Other interface can be SGMII or QSGMII */
|
|
CVMX_GMX_INF_MODE_RXAUI = 3, /* Only interface 0, interface 1 must be DISABLED */
|
|
};
|
|
|
|
/**
|
|
* Eye diagram captures are stored in the following structure
|
|
*/
|
|
typedef struct {
|
|
int width; /* Width in the x direction (time) */
|
|
int height; /* Height in the y direction (voltage) */
|
|
u32 data[64][128]; /* Error count at location, saturates as max */
|
|
} cvmx_qlm_eye_t;
|
|
|
|
/**
|
|
* These apply to DLM1 and DLM2 if its not in SATA mode
|
|
* Manual refers to lanes as follows:
|
|
* DML 0 lane 0 == GSER0 lane 0
|
|
* DML 0 lane 1 == GSER0 lane 1
|
|
* DML 1 lane 2 == GSER1 lane 0
|
|
* DML 1 lane 3 == GSER1 lane 1
|
|
* DML 2 lane 4 == GSER2 lane 0
|
|
* DML 2 lane 5 == GSER2 lane 1
|
|
*/
|
|
enum cvmx_pemx_cfg_mode {
|
|
CVMX_PEM_MD_GEN2_2LANE = 0, /* Valid for PEM0(DLM1), PEM1(DLM2) */
|
|
CVMX_PEM_MD_GEN2_1LANE = 1, /* Valid for PEM0(DLM1.0), PEM1(DLM1.1,DLM2.0), PEM2(DLM2.1) */
|
|
CVMX_PEM_MD_GEN2_4LANE = 2, /* Valid for PEM0(DLM1-2) */
|
|
/* Reserved */
|
|
CVMX_PEM_MD_GEN1_2LANE = 4, /* Valid for PEM0(DLM1), PEM1(DLM2) */
|
|
CVMX_PEM_MD_GEN1_1LANE = 5, /* Valid for PEM0(DLM1.0), PEM1(DLM1.1,DLM2.0), PEM2(DLM2.1) */
|
|
CVMX_PEM_MD_GEN1_4LANE = 6, /* Valid for PEM0(DLM1-2) */
|
|
/* Reserved */
|
|
};
|
|
|
|
/*
|
|
* Read QLM and return mode.
|
|
*/
|
|
enum cvmx_qlm_mode cvmx_qlm_get_mode(int qlm);
|
|
enum cvmx_qlm_mode cvmx_qlm_get_mode_cn78xx(int node, int qlm);
|
|
enum cvmx_qlm_mode cvmx_qlm_get_dlm_mode(int dlm_mode, int interface);
|
|
void __cvmx_qlm_set_mult(int qlm, int baud_mhz, int old_multiplier);
|
|
|
|
void cvmx_qlm_display_registers(int qlm);
|
|
|
|
int cvmx_qlm_measure_clock(int qlm);
|
|
|
|
/**
|
|
* Measure the reference clock of a QLM on a multi-node setup
|
|
*
|
|
* @param node node to measure
|
|
* @param qlm QLM to measure
|
|
*
|
|
* Return: Clock rate in Hz
|
|
*/
|
|
int cvmx_qlm_measure_clock_node(int node, int qlm);
|
|
|
|
/*
|
|
* Perform RX equalization on a QLM
|
|
*
|
|
* @param node Node the QLM is on
|
|
* @param qlm QLM to perform RX equalization on
|
|
* @param lane Lane to use, or -1 for all lanes
|
|
*
|
|
* Return: Zero on success, negative if any lane failed RX equalization
|
|
*/
|
|
int __cvmx_qlm_rx_equalization(int node, int qlm, int lane);
|
|
|
|
/**
|
|
* Errata GSER-27882 -GSER 10GBASE-KR Transmit Equalizer
|
|
* Training may not update PHY Tx Taps. This function is not static
|
|
* so we can share it with BGX KR
|
|
*
|
|
* @param node Node to apply errata workaround
|
|
* @param qlm QLM to apply errata workaround
|
|
* @param lane Lane to apply the errata
|
|
*/
|
|
int cvmx_qlm_gser_errata_27882(int node, int qlm, int lane);
|
|
|
|
void cvmx_qlm_gser_errata_25992(int node, int qlm);
|
|
|
|
#ifdef CVMX_DUMP_GSER
|
|
/**
|
|
* Dump GSER configuration for node 0
|
|
*/
|
|
int cvmx_dump_gser_config(unsigned int gser);
|
|
/**
|
|
* Dump GSER status for node 0
|
|
*/
|
|
int cvmx_dump_gser_status(unsigned int gser);
|
|
/**
|
|
* Dump GSER configuration
|
|
*/
|
|
int cvmx_dump_gser_config_node(unsigned int node, unsigned int gser);
|
|
/**
|
|
* Dump GSER status
|
|
*/
|
|
int cvmx_dump_gser_status_node(unsigned int node, unsigned int gser);
|
|
#endif
|
|
|
|
int cvmx_qlm_eye_display(int node, int qlm, int qlm_lane, int format, const cvmx_qlm_eye_t *eye);
|
|
|
|
void cvmx_prbs_process_cmd(int node, int qlm, int mode);
|
|
|
|
#endif /* __CVMX_QLM_H__ */
|