mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-19 09:43:08 +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>
109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2020 Marvell International Ltd.
|
|
*/
|
|
|
|
#ifndef __OCTEON_QLM_H__
|
|
#define __OCTEON_QLM_H__
|
|
|
|
/* Reference clock selector values for ref_clk_sel */
|
|
#define OCTEON_QLM_REF_CLK_100MHZ 0 /** 100 MHz */
|
|
#define OCTEON_QLM_REF_CLK_125MHZ 1 /** 125 MHz */
|
|
#define OCTEON_QLM_REF_CLK_156MHZ 2 /** 156.25 MHz */
|
|
#define OCTEON_QLM_REF_CLK_161MHZ 3 /** 161.1328125 MHz */
|
|
|
|
/**
|
|
* Configure qlm/dlm speed and mode.
|
|
* @param qlm The QLM or DLM to configure
|
|
* @param speed The speed the QLM needs to be configured in Mhz.
|
|
* @param mode The QLM to be configured as SGMII/XAUI/PCIe.
|
|
* @param rc Only used for PCIe, rc = 1 for root complex mode, 0 for EP
|
|
* mode.
|
|
* @param pcie_mode Only used when qlm/dlm are in pcie mode.
|
|
* @param ref_clk_sel Reference clock to use for 70XX where:
|
|
* 0: 100MHz
|
|
* 1: 125MHz
|
|
* 2: 156.25MHz
|
|
* 3: 161.1328125MHz (CN73XX and CN78XX only)
|
|
* @param ref_clk_input This selects which reference clock input to use. For
|
|
* cn70xx:
|
|
* 0: DLMC_REF_CLK0
|
|
* 1: DLMC_REF_CLK1
|
|
* 2: DLM0_REF_CLK
|
|
* cn61xx: (not used)
|
|
* cn78xx/cn76xx/cn73xx:
|
|
* 0: Internal clock (QLM[0-7]_REF_CLK)
|
|
* 1: QLMC_REF_CLK0
|
|
* 2: QLMC_REF_CLK1
|
|
*
|
|
* Return: Return 0 on success or -1.
|
|
*
|
|
* @note When the 161MHz clock is used it can only be used for
|
|
* XLAUI mode with a 6316 speed or XFI mode with a 103125 speed.
|
|
* This rate is also only supported for CN73XX and CN78XX.
|
|
*/
|
|
int octeon_configure_qlm(int qlm, int speed, int mode, int rc, int pcie_mode, int ref_clk_sel,
|
|
int ref_clk_input);
|
|
|
|
int octeon_configure_qlm_cn78xx(int node, int qlm, int speed, int mode, int rc, int pcie_mode,
|
|
int ref_clk_sel, int ref_clk_input);
|
|
|
|
/**
|
|
* Some QLM speeds need to override the default tuning parameters
|
|
*
|
|
* @param node Node to configure
|
|
* @param qlm QLM to configure
|
|
* @param baud_mhz Desired speed in MHz
|
|
* @param lane Lane the apply the tuning parameters
|
|
* @param tx_swing Voltage swing. The higher the value the lower the voltage,
|
|
* the default value is 7.
|
|
* @param tx_pre pre-cursor pre-emphasis
|
|
* @param tx_post post-cursor pre-emphasis.
|
|
* @param tx_gain Transmit gain. Range 0-7
|
|
* @param tx_vboost Transmit voltage boost. Range 0-1
|
|
*/
|
|
void octeon_qlm_tune_per_lane_v3(int node, int qlm, int baud_mhz, int lane, int tx_swing,
|
|
int tx_pre, int tx_post, int tx_gain, int tx_vboost);
|
|
|
|
/**
|
|
* Some QLM speeds need to override the default tuning parameters
|
|
*
|
|
* @param node Node to configure
|
|
* @param qlm QLM to configure
|
|
* @param baud_mhz Desired speed in MHz
|
|
* @param tx_swing Voltage swing. The higher the value the lower the voltage,
|
|
* the default value is 7.
|
|
* @param tx_premptap bits [0:3] pre-cursor pre-emphasis, bits[4:8] post-cursor
|
|
* pre-emphasis.
|
|
* @param tx_gain Transmit gain. Range 0-7
|
|
* @param tx_vboost Transmit voltage boost. Range 0-1
|
|
*/
|
|
void octeon_qlm_tune_v3(int node, int qlm, int baud_mhz, int tx_swing, int tx_premptap, int tx_gain,
|
|
int tx_vboost);
|
|
|
|
/**
|
|
* Disables DFE for the specified QLM lane(s).
|
|
* This function should only be called for low-loss channels.
|
|
*
|
|
* @param node Node to configure
|
|
* @param qlm QLM to configure
|
|
* @param lane Lane to configure, or -1 all lanes
|
|
* @param baud_mhz The speed the QLM needs to be configured in Mhz.
|
|
* @param mode The QLM to be configured as SGMII/XAUI/PCIe.
|
|
*/
|
|
void octeon_qlm_dfe_disable(int node, int qlm, int lane, int baud_mhz, int mode);
|
|
|
|
/**
|
|
* Some QLMs need to override the default pre-ctle for low loss channels.
|
|
*
|
|
* @param node Node to configure
|
|
* @param qlm QLM to configure
|
|
* @param pre_ctle pre-ctle settings for low loss channels
|
|
*/
|
|
void octeon_qlm_set_channel_v3(int node, int qlm, int pre_ctle);
|
|
|
|
void octeon_init_qlm(int node);
|
|
|
|
int octeon_mcu_probe(int node);
|
|
|
|
#endif /* __OCTEON_QLM_H__ */
|