diff options
Diffstat (limited to 'roms/u-boot/board/freescale/common/vsc3316_3308.c')
| -rw-r--r-- | roms/u-boot/board/freescale/common/vsc3316_3308.c | 530 |
1 files changed, 530 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/common/vsc3316_3308.c b/roms/u-boot/board/freescale/common/vsc3316_3308.c new file mode 100644 index 000000000..c51f3c5ac --- /dev/null +++ b/roms/u-boot/board/freescale/common/vsc3316_3308.c @@ -0,0 +1,530 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2012 Freescale Semiconductor, Inc. + * Copyright 2020 NXP + */ + +#include "vsc3316_3308.h" +#include <log.h> + +#define REVISION_ID_REG 0x7E +#define INTERFACE_MODE_REG 0x79 +#define CURRENT_PAGE_REGISTER 0x7F +#define CONNECTION_CONFIG_PAGE 0x00 +#define INPUT_STATE_REG 0x13 +#define GLOBAL_INPUT_ISE1 0x51 +#define GLOBAL_INPUT_ISE2 0x52 +#define GLOBAL_INPUT_GAIN 0x53 +#define GLOBAL_INPUT_LOS 0x55 +#define GLOBAL_OUTPUT_PE1 0x56 +#define GLOBAL_OUTPUT_PE2 0x57 +#define GLOBAL_OUTPUT_LEVEL 0x58 +#define GLOBAL_OUTPUT_TERMINATION 0x5A +#define GLOBAL_CORE_CNTRL 0x5D +#define OUTPUT_MODE_PAGE 0x23 +#define CORE_CONTROL_PAGE 0x25 +#define CORE_CONFIG_REG 0x75 + +int vsc_if_enable(unsigned int vsc_addr) +{ + u8 data; + + debug("VSC:Configuring VSC at I2C address 0x%2x" + " for 2-wire interface\n", vsc_addr); + + /* enable 2-wire Serial InterFace (I2C) */ + data = 0x02; +#if CONFIG_IS_ENABLED(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 ret; + } + + return dm_i2c_write(dev, INTERFACE_MODE_REG, &data, 1); +#else + return i2c_write(vsc_addr, INTERFACE_MODE_REG, 1, &data, 1); +#endif +} + +int vsc3316_config(unsigned int vsc_addr, int8_t con_arr[][2], + unsigned int num_con) +{ + unsigned int i; + u8 rev_id = 0; + int ret; + + debug("VSC:Initializing VSC3316 at I2C address 0x%2x" + " for Tx\n", vsc_addr); + +#if CONFIG_IS_ENABLED(DM_I2C) + int 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 ret; + } + + ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + return ret; + } + + /* config connections - page 0x00 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE); + + /* Making crosspoint connections, by connecting required + * input to output + */ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]); + + /* input state - page 0x13 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG); + /* Configuring the required input of the switch */ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][0], 0x80); + + /* Setting Global Input LOS threshold value */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0x60); + + /* config output mode - page 0x23 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE); + /* Turn ON the Output driver correspond to required output*/ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], 0); + + /* configure global core control register, Turn on Global core power */ + dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0); + +#else + ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + 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]); + + /* input state - page 0x13 */ + i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG); + /* Configuring the required input of the switch */ + for (i = 0; i < num_con ; i++) + i2c_reg_write(vsc_addr, con_arr[i][0], 0x80); + + /* 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; +} + +#ifdef CONFIG_SYS_FSL_B4860QDS_XFI_ERR +int vsc3308_config_adjust(unsigned int vsc_addr, const int8_t con_arr[][2], + unsigned int num_con) +{ + unsigned int i; + u8 rev_id = 0; + int ret; + + debug("VSC:Initializing VSC3308 at I2C address 0x%x for Tx\n", + vsc_addr); + +#if CONFIG_IS_ENABLED(DM_I2C) + int 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 ret; + } + + ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + return ret; + } + + /* config connections - page 0x00 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE); + + /* Configure Global Input ISE */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE1, 0); + dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE2, 0); + + /* Configure Tx/Rx Global Output PE1 */ + dm_i2c_reg_write(dev, GLOBAL_OUTPUT_PE1, 0); + + /* Configure Tx/Rx Global Output PE2 */ + dm_i2c_reg_write(dev, GLOBAL_OUTPUT_PE2, 0); + + /* Configure Tx/Rx Global Input GAIN */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_GAIN, 0x3F); + + /* Setting Global Input LOS threshold value */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0xE0); + + /* Setting Global output termination */ + dm_i2c_reg_write(dev, GLOBAL_OUTPUT_TERMINATION, 0); + + /* Configure Tx/Rx Global Output level */ + if (vsc_addr == VSC3308_TX_ADDRESS) + dm_i2c_reg_write(dev, GLOBAL_OUTPUT_LEVEL, 4); + else + dm_i2c_reg_write(dev, GLOBAL_OUTPUT_LEVEL, 2); + + /* Making crosspoint connections, by connecting required + * input to output + */ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]); + + /* input state - page 0x13 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG); + /* Turning off all the required input of the switch */ + for (i = 0; i < num_con; i++) + dm_i2c_reg_write(dev, con_arr[i][0], 1); + + /* only turn on specific Tx/Rx requested by the XFI erratum */ + if (vsc_addr == VSC3308_TX_ADDRESS) { + dm_i2c_reg_write(dev, 2, 0); + dm_i2c_reg_write(dev, 3, 0); + } else { + dm_i2c_reg_write(dev, 0, 0); + dm_i2c_reg_write(dev, 1, 0); + } + + /* config output mode - page 0x23 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE); + /* Turn off the Output driver correspond to required output*/ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], 1); + + /* only turn on specific Tx/Rx requested by the XFI erratum */ + if (vsc_addr == VSC3308_TX_ADDRESS) { + dm_i2c_reg_write(dev, 0, 0); + dm_i2c_reg_write(dev, 1, 0); + } else { + dm_i2c_reg_write(dev, 3, 0); + dm_i2c_reg_write(dev, 4, 0); + } + + /* configure global core control register, Turn on Global core power */ + dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0); +#else + ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + return ret; + } + + /* config connections - page 0x00 */ + i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE); + + /* Configure Global Input ISE */ + i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE1, 0); + i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE2, 0); + + /* Configure Tx/Rx Global Output PE1 */ + i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE1, 0); + + /* Configure Tx/Rx Global Output PE2 */ + i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE2, 0); + + /* Configure Tx/Rx Global Input GAIN */ + i2c_reg_write(vsc_addr, GLOBAL_INPUT_GAIN, 0x3F); + + /* Setting Global Input LOS threshold value */ + i2c_reg_write(vsc_addr, GLOBAL_INPUT_LOS, 0xE0); + + /* Setting Global output termination */ + i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_TERMINATION, 0); + + /* Configure Tx/Rx Global Output level */ + if (vsc_addr == VSC3308_TX_ADDRESS) + i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 4); + else + i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 2); + + /* 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]); + + /* input state - page 0x13 */ + i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG); + /* Turning off all the required input of the switch */ + for (i = 0; i < num_con; i++) + i2c_reg_write(vsc_addr, con_arr[i][0], 1); + + /* only turn on specific Tx/Rx requested by the XFI erratum */ + if (vsc_addr == VSC3308_TX_ADDRESS) { + i2c_reg_write(vsc_addr, 2, 0); + i2c_reg_write(vsc_addr, 3, 0); + } else { + i2c_reg_write(vsc_addr, 0, 0); + i2c_reg_write(vsc_addr, 1, 0); + } + + /* config output mode - page 0x23 */ + i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE); + /* Turn off the Output driver correspond to required output*/ + for (i = 0; i < num_con ; i++) + i2c_reg_write(vsc_addr, con_arr[i][1], 1); + + /* only turn on specific Tx/Rx requested by the XFI erratum */ + if (vsc_addr == VSC3308_TX_ADDRESS) { + i2c_reg_write(vsc_addr, 0, 0); + i2c_reg_write(vsc_addr, 1, 0); + } else { + i2c_reg_write(vsc_addr, 3, 0); + i2c_reg_write(vsc_addr, 4, 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; +} +#endif + +int vsc3308_config(unsigned int vsc_addr, const int8_t con_arr[][2], + unsigned int num_con) +{ + unsigned int i; + u8 rev_id = 0; + int ret; + + debug("VSC:Initializing VSC3308 at I2C address 0x%x" + " for Tx\n", vsc_addr); +#if CONFIG_IS_ENABLED(DM_I2C) + int 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 ret; + } + + ret = dm_i2c_read(dev, REVISION_ID_REG, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + return ret; + } + + /* config connections - page 0x00 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE); + + /* Making crosspoint connections, by connecting required + * input to output + */ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], con_arr[i][0]); + + /*Configure Global Input ISE and gain */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE1, 0x12); + dm_i2c_reg_write(dev, GLOBAL_INPUT_ISE2, 0x12); + + /* input state - page 0x13 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, INPUT_STATE_REG); + /* Turning ON the required input of the switch */ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][0], 0); + + /* Setting Global Input LOS threshold value */ + dm_i2c_reg_write(dev, GLOBAL_INPUT_LOS, 0x60); + + /* config output mode - page 0x23 */ + dm_i2c_reg_write(dev, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE); + /* Turn ON the Output driver correspond to required output*/ + for (i = 0; i < num_con ; i++) + dm_i2c_reg_write(dev, con_arr[i][1], 0); + + /* configure global core control register, Turn on Global core power */ + dm_i2c_reg_write(dev, GLOBAL_CORE_CNTRL, 0); +#else + ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1); + if (ret < 0) { + printf("VSC:0x%x could not read REV_ID from device.\n", + vsc_addr); + return ret; + } + + if (rev_id != 0xab) { + printf("VSC: device at address 0x%x is not VSC3316/3308.\n", + vsc_addr); + return -ENODEV; + } + + ret = vsc_if_enable(vsc_addr); + if (ret) { + printf("VSC:0x%x could not configured for 2-wire I/F.\n", + vsc_addr); + 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 */ +#if CONFIG_IS_ENABLED(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 +} |