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https://github.com/AsahiLinux/u-boot
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530 lines
14 KiB
C
530 lines
14 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2012 Freescale Semiconductor, Inc.
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* Copyright 2020 NXP
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*/
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#include "vsc3316_3308.h"
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#include <log.h>
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#define REVISION_ID_REG 0x7E
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#define INTERFACE_MODE_REG 0x79
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#define CURRENT_PAGE_REGISTER 0x7F
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#define CONNECTION_CONFIG_PAGE 0x00
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#define INPUT_STATE_REG 0x13
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#define GLOBAL_INPUT_ISE1 0x51
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#define GLOBAL_INPUT_ISE2 0x52
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#define GLOBAL_INPUT_GAIN 0x53
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#define GLOBAL_INPUT_LOS 0x55
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#define GLOBAL_OUTPUT_PE1 0x56
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#define GLOBAL_OUTPUT_PE2 0x57
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#define GLOBAL_OUTPUT_LEVEL 0x58
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#define GLOBAL_OUTPUT_TERMINATION 0x5A
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#define GLOBAL_CORE_CNTRL 0x5D
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#define OUTPUT_MODE_PAGE 0x23
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#define CORE_CONTROL_PAGE 0x25
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#define CORE_CONFIG_REG 0x75
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int vsc_if_enable(unsigned int vsc_addr)
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{
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u8 data;
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debug("VSC:Configuring VSC at I2C address 0x%2x"
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" for 2-wire interface\n", vsc_addr);
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/* enable 2-wire Serial InterFace (I2C) */
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data = 0x02;
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#ifdef CONFIG_DM_I2C
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int ret, bus_num = 0;
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struct udevice *dev;
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ret = i2c_get_chip_for_busnum(bus_num, vsc_addr,
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1, &dev);
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if (ret) {
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printf("%s: Cannot find udev for a bus %d\n", __func__,
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bus_num);
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return ret;
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}
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return dm_i2c_write(dev, INTERFACE_MODE_REG, &data, 1);
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#else
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return i2c_write(vsc_addr, INTERFACE_MODE_REG, 1, &data, 1);
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#endif
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}
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int vsc3316_config(unsigned int vsc_addr, int8_t con_arr[][2],
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unsigned int num_con)
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{
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unsigned int i;
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u8 rev_id = 0;
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int ret;
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debug("VSC:Initializing VSC3316 at I2C address 0x%2x"
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" for Tx\n", vsc_addr);
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#ifdef CONFIG_DM_I2C
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int bus_num = 0;
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struct udevice *dev;
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ret = i2c_get_chip_for_busnum(bus_num, vsc_addr,
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1, &dev);
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if (ret) {
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printf("%s: Cannot find udev for a bus %d\n", __func__,
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bus_num);
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return ret;
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}
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ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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vsc_addr);
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return -ENODEV;
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}
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ret = vsc_if_enable(vsc_addr);
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if (ret) {
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printf("VSC:0x%x could not configured for 2-wire I/F.\n",
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vsc_addr);
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return ret;
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}
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/* config connections - page 0x00 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
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/* Making crosspoint connections, by connecting required
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* input to output
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*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]);
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/* input state - page 0x13 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
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/* Configuring the required input of the switch */
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][0], 0x80);
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/* Setting Global Input LOS threshold value */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0x60);
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/* config output mode - page 0x23 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
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/* Turn ON the Output driver correspond to required output*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], 0);
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/* configure global core control register, Turn on Global core power */
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dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0);
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#else
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ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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vsc_addr);
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return -ENODEV;
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}
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ret = vsc_if_enable(vsc_addr);
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if (ret) {
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printf("VSC:0x%x could not configured for 2-wire I/F.\n",
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vsc_addr);
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return ret;
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}
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/* config connections - page 0x00 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
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/* Making crosspoint connections, by connecting required
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* input to output */
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for (i = 0; i < num_con ; i++)
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i2c_reg_write(vsc_addr, con_arr[i][1], con_arr[i][0]);
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/* input state - page 0x13 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
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/* Configuring the required input of the switch */
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for (i = 0; i < num_con ; i++)
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i2c_reg_write(vsc_addr, con_arr[i][0], 0x80);
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/* Setting Global Input LOS threshold value */
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i2c_reg_write(vsc_addr, GLOBAL_INPUT_LOS, 0x60);
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/* config output mode - page 0x23 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
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/* Turn ON the Output driver correspond to required output*/
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for (i = 0; i < num_con ; i++)
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i2c_reg_write(vsc_addr, con_arr[i][1], 0);
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/* configure global core control register, Turn on Global core power */
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i2c_reg_write(vsc_addr, GLOBAL_CORE_CNTRL, 0);
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#endif
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vsc_wp_config(vsc_addr);
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return 0;
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}
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#ifdef CONFIG_SYS_FSL_B4860QDS_XFI_ERR
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int vsc3308_config_adjust(unsigned int vsc_addr, const int8_t con_arr[][2],
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unsigned int num_con)
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{
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unsigned int i;
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u8 rev_id = 0;
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int ret;
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debug("VSC:Initializing VSC3308 at I2C address 0x%x for Tx\n",
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vsc_addr);
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#ifdef CONFIG_DM_I2C
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int bus_num = 0;
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struct udevice *dev;
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ret = i2c_get_chip_for_busnum(bus_num, vsc_addr,
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1, &dev);
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if (ret) {
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printf("%s: Cannot find udev for a bus %d\n", __func__,
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bus_num);
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return ret;
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}
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ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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vsc_addr);
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return -ENODEV;
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}
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ret = vsc_if_enable(vsc_addr);
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if (ret) {
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printf("VSC:0x%x could not configured for 2-wire I/F.\n",
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vsc_addr);
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return ret;
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}
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/* config connections - page 0x00 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
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/* Configure Global Input ISE */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE1, 0);
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dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE2, 0);
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/* Configure Tx/Rx Global Output PE1 */
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dm_i2c_reg_write(dev, GLOBAL_OUTPUT_PE1, 0);
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/* Configure Tx/Rx Global Output PE2 */
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dm_i2c_reg_write(dev, GLOBAL_OUTPUT_PE2, 0);
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/* Configure Tx/Rx Global Input GAIN */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_GAIN, 0x3F);
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/* Setting Global Input LOS threshold value */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0xE0);
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/* Setting Global output termination */
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dm_i2c_reg_write(dev, GLOBAL_OUTPUT_TERMINATION, 0);
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/* Configure Tx/Rx Global Output level */
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if (vsc_addr == VSC3308_TX_ADDRESS)
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dm_i2c_reg_write(dev, GLOBAL_OUTPUT_LEVEL, 4);
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else
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dm_i2c_reg_write(dev, GLOBAL_OUTPUT_LEVEL, 2);
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/* Making crosspoint connections, by connecting required
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* input to output
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*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]);
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/* input state - page 0x13 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
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/* Turning off all the required input of the switch */
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for (i = 0; i < num_con; i++)
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dm_i2c_reg_write(dev, con_arr[i][0], 1);
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/* only turn on specific Tx/Rx requested by the XFI erratum */
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if (vsc_addr == VSC3308_TX_ADDRESS) {
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dm_i2c_reg_write(dev, 2, 0);
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dm_i2c_reg_write(dev, 3, 0);
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} else {
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dm_i2c_reg_write(dev, 0, 0);
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dm_i2c_reg_write(dev, 1, 0);
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}
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/* config output mode - page 0x23 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
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/* Turn off the Output driver correspond to required output*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], 1);
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/* only turn on specific Tx/Rx requested by the XFI erratum */
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if (vsc_addr == VSC3308_TX_ADDRESS) {
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dm_i2c_reg_write(dev, 0, 0);
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dm_i2c_reg_write(dev, 1, 0);
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} else {
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dm_i2c_reg_write(dev, 3, 0);
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dm_i2c_reg_write(dev, 4, 0);
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}
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/* configure global core control register, Turn on Global core power */
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dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0);
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#else
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ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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vsc_addr);
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return -ENODEV;
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}
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ret = vsc_if_enable(vsc_addr);
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if (ret) {
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printf("VSC:0x%x could not configured for 2-wire I/F.\n",
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vsc_addr);
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return ret;
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}
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/* config connections - page 0x00 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
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/* Configure Global Input ISE */
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i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE1, 0);
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i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE2, 0);
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/* Configure Tx/Rx Global Output PE1 */
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i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE1, 0);
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/* Configure Tx/Rx Global Output PE2 */
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i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE2, 0);
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/* Configure Tx/Rx Global Input GAIN */
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i2c_reg_write(vsc_addr, GLOBAL_INPUT_GAIN, 0x3F);
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/* Setting Global Input LOS threshold value */
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i2c_reg_write(vsc_addr, GLOBAL_INPUT_LOS, 0xE0);
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/* Setting Global output termination */
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i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_TERMINATION, 0);
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/* Configure Tx/Rx Global Output level */
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if (vsc_addr == VSC3308_TX_ADDRESS)
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i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 4);
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else
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i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 2);
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/* Making crosspoint connections, by connecting required
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* input to output */
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for (i = 0; i < num_con ; i++)
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i2c_reg_write(vsc_addr, con_arr[i][1], con_arr[i][0]);
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/* input state - page 0x13 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
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/* Turning off all the required input of the switch */
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for (i = 0; i < num_con; i++)
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i2c_reg_write(vsc_addr, con_arr[i][0], 1);
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/* only turn on specific Tx/Rx requested by the XFI erratum */
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if (vsc_addr == VSC3308_TX_ADDRESS) {
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i2c_reg_write(vsc_addr, 2, 0);
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i2c_reg_write(vsc_addr, 3, 0);
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} else {
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i2c_reg_write(vsc_addr, 0, 0);
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i2c_reg_write(vsc_addr, 1, 0);
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}
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/* config output mode - page 0x23 */
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i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
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/* Turn off the Output driver correspond to required output*/
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for (i = 0; i < num_con ; i++)
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i2c_reg_write(vsc_addr, con_arr[i][1], 1);
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/* only turn on specific Tx/Rx requested by the XFI erratum */
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if (vsc_addr == VSC3308_TX_ADDRESS) {
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i2c_reg_write(vsc_addr, 0, 0);
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i2c_reg_write(vsc_addr, 1, 0);
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} else {
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i2c_reg_write(vsc_addr, 3, 0);
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i2c_reg_write(vsc_addr, 4, 0);
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}
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/* configure global core control register, Turn on Global core power */
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i2c_reg_write(vsc_addr, GLOBAL_CORE_CNTRL, 0);
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#endif
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vsc_wp_config(vsc_addr);
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return 0;
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}
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#endif
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int vsc3308_config(unsigned int vsc_addr, const int8_t con_arr[][2],
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unsigned int num_con)
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{
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unsigned int i;
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u8 rev_id = 0;
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int ret;
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debug("VSC:Initializing VSC3308 at I2C address 0x%x"
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" for Tx\n", vsc_addr);
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#ifdef CONFIG_DM_I2C
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int bus_num = 0;
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struct udevice *dev;
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ret = i2c_get_chip_for_busnum(bus_num, vsc_addr,
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1, &dev);
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if (ret) {
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printf("%s: Cannot find udev for a bus %d\n", __func__,
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bus_num);
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return ret;
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}
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ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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vsc_addr);
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return -ENODEV;
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}
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ret = vsc_if_enable(vsc_addr);
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if (ret) {
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printf("VSC:0x%x could not configured for 2-wire I/F.\n",
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vsc_addr);
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return ret;
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}
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/* config connections - page 0x00 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
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/* Making crosspoint connections, by connecting required
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* input to output
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*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]);
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/*Configure Global Input ISE and gain */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE1, 0x12);
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dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE2, 0x12);
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/* input state - page 0x13 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
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/* Turning ON the required input of the switch */
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][0], 0);
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/* Setting Global Input LOS threshold value */
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dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0x60);
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/* config output mode - page 0x23 */
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dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
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/* Turn ON the Output driver correspond to required output*/
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for (i = 0; i < num_con ; i++)
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dm_i2c_reg_write(dev, con_arr[i][1], 0);
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/* configure global core control register, Turn on Global core power */
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dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0);
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#else
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ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1);
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if (ret < 0) {
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printf("VSC:0x%x could not read REV_ID from device.\n",
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vsc_addr);
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return ret;
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}
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if (rev_id != 0xab) {
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printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
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|
vsc_addr);
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|
return -ENODEV;
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|
}
|
|
|
|
ret = vsc_if_enable(vsc_addr);
|
|
if (ret) {
|
|
printf("VSC:0x%x could not configured for 2-wire I/F.\n",
|
|
vsc_addr);
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|
return ret;
|
|
}
|
|
|
|
/* config connections - page 0x00 */
|
|
i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
|
|
|
|
/* Making crosspoint connections, by connecting required
|
|
* input to output */
|
|
for (i = 0; i < num_con ; i++)
|
|
i2c_reg_write(vsc_addr, con_arr[i][1], con_arr[i][0]);
|
|
|
|
/*Configure Global Input ISE and gain */
|
|
i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE1, 0x12);
|
|
i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE2, 0x12);
|
|
|
|
/* input state - page 0x13 */
|
|
i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
|
|
/* Turning ON the required input of the switch */
|
|
for (i = 0; i < num_con ; i++)
|
|
i2c_reg_write(vsc_addr, con_arr[i][0], 0);
|
|
|
|
/* Setting Global Input LOS threshold value */
|
|
i2c_reg_write(vsc_addr, GLOBAL_INPUT_LOS, 0x60);
|
|
|
|
/* config output mode - page 0x23 */
|
|
i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
|
|
/* Turn ON the Output driver correspond to required output*/
|
|
for (i = 0; i < num_con ; i++)
|
|
i2c_reg_write(vsc_addr, con_arr[i][1], 0);
|
|
|
|
/* configure global core control register, Turn on Global core power */
|
|
i2c_reg_write(vsc_addr, GLOBAL_CORE_CNTRL, 0);
|
|
#endif
|
|
vsc_wp_config(vsc_addr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void vsc_wp_config(unsigned int vsc_addr)
|
|
{
|
|
debug("VSC:Configuring VSC at address:0x%x for WP\n", vsc_addr);
|
|
|
|
/* For new crosspoint configuration to occur, WP bit of
|
|
* CORE_CONFIG_REG should be set 1 and then reset to 0 */
|
|
#ifdef CONFIG_DM_I2C
|
|
int ret, bus_num = 0;
|
|
struct udevice *dev;
|
|
|
|
ret = i2c_get_chip_for_busnum(bus_num, vsc_addr,
|
|
1, &dev);
|
|
if (ret) {
|
|
printf("%s: Cannot find udev for a bus %d\n", __func__,
|
|
bus_num);
|
|
return;
|
|
}
|
|
|
|
dm_i2c_reg_write(dev, CORE_CONFIG_REG, 0x01);
|
|
dm_i2c_reg_write(dev, CORE_CONFIG_REG, 0x0);
|
|
#else
|
|
i2c_reg_write(vsc_addr, CORE_CONFIG_REG, 0x01);
|
|
i2c_reg_write(vsc_addr, CORE_CONFIG_REG, 0x0);
|
|
#endif
|
|
}
|