2019-06-13 04:59:49 +00:00
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Board specific initialization for J721E EVM
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*
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* Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
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* Lokesh Vutla <lokeshvutla@ti.com>
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*
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*/
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#include <common.h>
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2020-05-10 17:40:03 +00:00
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#include <env.h>
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2020-05-10 17:40:01 +00:00
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#include <fdt_support.h>
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2021-07-21 15:58:39 +00:00
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#include <generic-phy.h>
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2020-05-10 17:40:01 +00:00
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#include <image.h>
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2019-11-14 19:57:45 +00:00
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#include <init.h>
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2020-05-10 17:40:05 +00:00
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#include <log.h>
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2020-05-10 17:39:56 +00:00
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#include <net.h>
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2020-01-07 07:45:54 +00:00
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/hardware.h>
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2020-10-31 03:38:53 +00:00
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#include <asm/global_data.h>
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2020-01-07 07:45:54 +00:00
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#include <asm/gpio.h>
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2019-06-13 04:59:49 +00:00
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#include <asm/io.h>
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#include <spl.h>
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2019-06-13 04:59:50 +00:00
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#include <asm/arch/sys_proto.h>
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2020-02-14 09:18:19 +00:00
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#include <dm.h>
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#include <dm/uclass-internal.h>
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2019-06-13 04:59:49 +00:00
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2020-01-07 07:45:54 +00:00
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#include "../common/board_detect.h"
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#define board_is_j721e_som() (board_ti_k3_is("J721EX-PM1-SOM") || \
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board_ti_k3_is("J721EX-PM2-SOM"))
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2022-02-09 09:36:50 +00:00
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#define board_is_j721e_sk() (board_ti_k3_is("J721EX-EAIK") || \
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board_ti_k3_is("J721EX-SK"))
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2021-07-21 15:58:39 +00:00
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#define board_is_j7200_som() (board_ti_k3_is("J7200X-PM1-SOM") || \
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board_ti_k3_is("J7200X-PM2-SOM"))
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2020-08-05 17:14:25 +00:00
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2020-01-07 07:45:54 +00:00
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/* Max number of MAC addresses that are parsed/processed per daughter card */
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#define DAUGHTER_CARD_NO_OF_MAC_ADDR 8
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2019-06-13 04:59:49 +00:00
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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return 0;
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}
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int dram_init(void)
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{
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#ifdef CONFIG_PHYS_64BIT
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gd->ram_size = 0x100000000;
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#else
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gd->ram_size = 0x80000000;
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#endif
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return 0;
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}
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ulong board_get_usable_ram_top(ulong total_size)
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{
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#ifdef CONFIG_PHYS_64BIT
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/* Limit RAM used by U-Boot to the DDR low region */
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if (gd->ram_top > 0x100000000)
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return 0x100000000;
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#endif
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return gd->ram_top;
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}
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int dram_init_banksize(void)
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{
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/* Bank 0 declares the memory available in the DDR low region */
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = 0x80000000;
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gd->ram_size = 0x80000000;
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#ifdef CONFIG_PHYS_64BIT
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/* Bank 1 declares the memory available in the DDR high region */
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gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
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gd->bd->bi_dram[1].size = 0x80000000;
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gd->ram_size = 0x100000000;
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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2022-02-09 09:36:52 +00:00
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bool eeprom_read = board_ti_was_eeprom_read();
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if (!eeprom_read || board_is_j721e_som()) {
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if (!strcmp(name, "k3-j721e-common-proc-board") ||
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!strcmp(name, "k3-j721e-r5-common-proc-board"))
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return 0;
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} else if (board_is_j721e_sk()) {
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if (!strcmp(name, "k3-j721e-sk") ||
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!strcmp(name, "k3-j721e-r5-sk"))
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return 0;
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}
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2019-06-13 04:59:49 +00:00
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return -1;
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}
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#endif
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2019-06-13 04:59:50 +00:00
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2020-08-06 18:56:57 +00:00
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#if CONFIG_IS_ENABLED(DM_GPIO) && CONFIG_IS_ENABLED(OF_LIBFDT)
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/* Returns 1, if onboard mux is set to hyperflash */
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static void __maybe_unused detect_enable_hyperflash(void *blob)
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{
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struct gpio_desc desc = {0};
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if (dm_gpio_lookup_name("6", &desc))
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return;
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if (dm_gpio_request(&desc, "6"))
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return;
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if (dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN))
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return;
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if (dm_gpio_get_value(&desc)) {
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int offset;
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do_fixup_by_compat(blob, "ti,am654-hbmc", "status",
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"okay", sizeof("okay"), 0);
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offset = fdt_node_offset_by_compatible(blob, -1,
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2020-09-17 11:18:16 +00:00
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"ti,am654-ospi");
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2020-08-06 18:56:57 +00:00
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fdt_setprop(blob, offset, "status", "disabled",
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sizeof("disabled"));
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}
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}
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#endif
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2020-08-13 09:26:16 +00:00
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#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_TARGET_J7200_A72_EVM)
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void spl_perform_fixups(struct spl_image_info *spl_image)
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{
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detect_enable_hyperflash(spl_image->fdt_addr);
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}
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#endif
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2019-06-13 04:59:50 +00:00
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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2020-06-26 06:13:33 +00:00
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int ft_board_setup(void *blob, struct bd_info *bd)
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2019-06-13 04:59:50 +00:00
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{
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int ret;
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2020-08-05 17:14:15 +00:00
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ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000");
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if (ret < 0)
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ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
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"sram@70000000");
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2019-06-13 04:59:50 +00:00
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if (ret)
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printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
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2020-08-06 18:56:57 +00:00
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detect_enable_hyperflash(blob);
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2019-06-13 04:59:50 +00:00
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return ret;
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}
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#endif
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2020-01-07 07:45:54 +00:00
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2020-08-05 17:14:14 +00:00
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#ifdef CONFIG_TI_I2C_BOARD_DETECT
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2020-01-07 07:45:54 +00:00
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int do_board_detect(void)
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{
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int ret;
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2022-02-09 09:36:52 +00:00
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if (board_ti_was_eeprom_read())
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return 0;
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2020-01-07 07:45:54 +00:00
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ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
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CONFIG_EEPROM_CHIP_ADDRESS);
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2022-02-09 09:36:49 +00:00
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if (ret) {
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printf("EEPROM not available at 0x%02x, trying to read at 0x%02x\n",
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CONFIG_EEPROM_CHIP_ADDRESS, CONFIG_EEPROM_CHIP_ADDRESS + 1);
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ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
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CONFIG_EEPROM_CHIP_ADDRESS + 1);
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if (ret)
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pr_err("Reading on-board EEPROM at 0x%02x failed %d\n",
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CONFIG_EEPROM_CHIP_ADDRESS + 1, ret);
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}
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2020-01-07 07:45:54 +00:00
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return ret;
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}
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2020-01-07 07:45:55 +00:00
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int checkboard(void)
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{
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struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
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if (do_board_detect())
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/* EEPROM not populated */
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printf("Board: %s rev %s\n", "J721EX-PM1-SOM", "E2");
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else
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printf("Board: %s rev %s\n", ep->name, ep->version);
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return 0;
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}
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2020-01-07 07:45:54 +00:00
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/*
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* Declaration of daughtercards to probe. Note that when adding more
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* cards they should be grouped by the 'i2c_addr' field to allow for a
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* more efficient probing process.
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*/
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static const struct {
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u8 i2c_addr; /* I2C address of card EEPROM */
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char *card_name; /* EEPROM-programmed card name */
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char *dtbo_name; /* Device tree overlay to apply */
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u8 eth_offset; /* ethXaddr MAC address index offset */
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} ext_cards[] = {
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{
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0x51,
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"J7X-BASE-CPB",
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"", /* No dtbo for this board */
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0,
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},
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{
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0x52,
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"J7X-INFOTAN-EXP",
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"", /* No dtbo for this board */
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0,
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},
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{
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0x52,
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"J7X-GESI-EXP",
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"", /* No dtbo for this board */
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5, /* Start populating from eth5addr */
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},
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{
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0x54,
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"J7X-VSC8514-ETH",
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"", /* No dtbo for this board */
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1, /* Start populating from eth1addr */
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},
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};
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static bool daughter_card_detect_flags[ARRAY_SIZE(ext_cards)];
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const char *board_fit_get_additionnal_images(int index, const char *type)
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{
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int i, j;
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if (strcmp(type, FIT_FDT_PROP))
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return NULL;
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j = 0;
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for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
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if (daughter_card_detect_flags[i]) {
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if (j == index) {
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/*
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* Return dtbo name only if populated,
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* otherwise stop parsing here.
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*/
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if (strlen(ext_cards[i].dtbo_name))
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return ext_cards[i].dtbo_name;
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else
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return NULL;
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};
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j++;
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}
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}
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return NULL;
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}
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static int probe_daughtercards(void)
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{
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char mac_addr[DAUGHTER_CARD_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
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bool eeprom_read_success;
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struct ti_am6_eeprom ep;
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u8 previous_i2c_addr;
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u8 mac_addr_cnt;
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int i;
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int ret;
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/* Mark previous I2C address variable as not populated */
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previous_i2c_addr = 0xff;
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/* No EEPROM data was read yet */
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eeprom_read_success = false;
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/* Iterate through list of daughtercards */
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for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
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/* Obtain card-specific I2C address */
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u8 i2c_addr = ext_cards[i].i2c_addr;
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/* Read card EEPROM if not already read previously */
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if (i2c_addr != previous_i2c_addr) {
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/* Store I2C address so we can avoid reading twice */
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previous_i2c_addr = i2c_addr;
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/* Get and parse the daughter card EEPROM record */
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ret = ti_i2c_eeprom_am6_get(CONFIG_EEPROM_BUS_ADDRESS,
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i2c_addr,
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&ep,
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(char **)mac_addr,
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DAUGHTER_CARD_NO_OF_MAC_ADDR,
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&mac_addr_cnt);
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if (ret) {
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debug("%s: No daughtercard EEPROM at 0x%02x found %d\n",
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__func__, i2c_addr, ret);
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eeprom_read_success = false;
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/* Skip to the next daughtercard to probe */
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continue;
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}
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/* EEPROM read successful, okay to further process. */
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eeprom_read_success = true;
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}
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/* Only continue processing if EEPROM data was read */
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if (!eeprom_read_success)
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continue;
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/* Only process the parsed data if we found a match */
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if (strncmp(ep.name, ext_cards[i].card_name, sizeof(ep.name)))
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continue;
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printf("Detected: %s rev %s\n", ep.name, ep.version);
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daughter_card_detect_flags[i] = true;
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#ifndef CONFIG_SPL_BUILD
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int j;
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/*
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* Populate any MAC addresses from daughtercard into the U-Boot
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* environment, starting with a card-specific offset so we can
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* have multiple ext_cards contribute to the MAC pool in a well-
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* defined manner.
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*/
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for (j = 0; j < mac_addr_cnt; j++) {
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if (!is_valid_ethaddr((u8 *)mac_addr[j]))
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continue;
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eth_env_set_enetaddr_by_index("eth",
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ext_cards[i].eth_offset + j,
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(uchar *)mac_addr[j]);
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}
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#endif
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}
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#ifndef CONFIG_SPL_BUILD
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char name_overlays[1024] = { 0 };
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for (i = 0; i < ARRAY_SIZE(ext_cards); i++) {
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if (!daughter_card_detect_flags[i])
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continue;
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/* Skip if no overlays are to be added */
|
|
|
|
if (!strlen(ext_cards[i].dtbo_name))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we are not running out of buffer space by checking
|
|
|
|
* if we can fit the new overlay, a trailing space to be used
|
|
|
|
* as a separator, plus the terminating zero.
|
|
|
|
*/
|
|
|
|
if (strlen(name_overlays) + strlen(ext_cards[i].dtbo_name) + 2 >
|
|
|
|
sizeof(name_overlays))
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
/* Append to our list of overlays */
|
|
|
|
strcat(name_overlays, ext_cards[i].dtbo_name);
|
|
|
|
strcat(name_overlays, " ");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Apply device tree overlay(s) to the U-Boot environment, if any */
|
|
|
|
if (strlen(name_overlays))
|
|
|
|
return env_set("name_overlays", name_overlays);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2020-08-05 17:14:14 +00:00
|
|
|
#endif
|
2020-01-07 07:45:54 +00:00
|
|
|
|
2021-07-21 15:58:39 +00:00
|
|
|
void configure_serdes_torrent(void)
|
|
|
|
{
|
|
|
|
struct udevice *dev;
|
|
|
|
struct phy serdes;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!IS_ENABLED(CONFIG_PHY_CADENCE_TORRENT))
|
|
|
|
return;
|
|
|
|
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_PHY,
|
|
|
|
DM_DRIVER_GET(torrent_phy_provider),
|
|
|
|
&dev);
|
|
|
|
if (ret)
|
|
|
|
printf("Torrent init failed:%d\n", ret);
|
|
|
|
|
|
|
|
serdes.dev = dev;
|
|
|
|
serdes.id = 0;
|
|
|
|
|
|
|
|
ret = generic_phy_init(&serdes);
|
|
|
|
if (ret)
|
|
|
|
printf("phy_init failed!!\n");
|
|
|
|
|
|
|
|
ret = generic_phy_power_on(&serdes);
|
|
|
|
if (ret)
|
|
|
|
printf("phy_power_on failed !!\n");
|
|
|
|
}
|
|
|
|
|
2022-01-28 08:11:38 +00:00
|
|
|
void configure_serdes_sierra(void)
|
|
|
|
{
|
|
|
|
struct udevice *dev, *lnk_dev;
|
|
|
|
struct phy serdes;
|
|
|
|
int ret, count, i;
|
|
|
|
|
|
|
|
if (!IS_ENABLED(CONFIG_PHY_CADENCE_SIERRA))
|
|
|
|
return;
|
|
|
|
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_PHY,
|
|
|
|
DM_DRIVER_GET(sierra_phy_provider),
|
|
|
|
&dev);
|
|
|
|
if (ret)
|
|
|
|
printf("Sierra init failed:%d\n", ret);
|
|
|
|
|
|
|
|
serdes.dev = dev;
|
|
|
|
serdes.id = 0;
|
|
|
|
|
|
|
|
count = device_get_child_count(dev);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
ret = device_get_child(dev, i, &lnk_dev);
|
|
|
|
if (ret)
|
|
|
|
printf("probe of sierra child node %d failed\n", i);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = generic_phy_init(&serdes);
|
|
|
|
if (ret)
|
|
|
|
printf("phy_init failed!!\n");
|
|
|
|
|
|
|
|
ret = generic_phy_power_on(&serdes);
|
|
|
|
if (ret)
|
|
|
|
printf("phy_power_on failed !!\n");
|
|
|
|
}
|
|
|
|
|
2022-02-09 09:36:48 +00:00
|
|
|
#ifdef CONFIG_BOARD_LATE_INIT
|
|
|
|
static void setup_board_eeprom_env(void)
|
|
|
|
{
|
|
|
|
char *name = "j721e";
|
|
|
|
|
|
|
|
if (do_board_detect())
|
|
|
|
goto invalid_eeprom;
|
|
|
|
|
|
|
|
if (board_is_j721e_som())
|
|
|
|
name = "j721e";
|
2022-02-09 09:36:50 +00:00
|
|
|
else if (board_is_j721e_sk())
|
|
|
|
name = "j721e-sk";
|
2022-02-09 09:36:48 +00:00
|
|
|
else if (board_is_j7200_som())
|
|
|
|
name = "j7200";
|
|
|
|
else
|
|
|
|
printf("Unidentified board claims %s in eeprom header\n",
|
|
|
|
board_ti_get_name());
|
|
|
|
|
|
|
|
invalid_eeprom:
|
|
|
|
set_board_info_env_am6(name);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void setup_serial(void)
|
|
|
|
{
|
|
|
|
struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
|
|
|
|
unsigned long board_serial;
|
|
|
|
char *endp;
|
|
|
|
char serial_string[17] = { 0 };
|
|
|
|
|
|
|
|
if (env_get("serial#"))
|
|
|
|
return;
|
|
|
|
|
|
|
|
board_serial = hextoul(ep->serial, &endp);
|
|
|
|
if (*endp != '\0') {
|
|
|
|
pr_err("Error: Can't set serial# to %s\n", ep->serial);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
snprintf(serial_string, sizeof(serial_string), "%016lx", board_serial);
|
|
|
|
env_set("serial#", serial_string);
|
|
|
|
}
|
|
|
|
|
2020-01-07 07:45:54 +00:00
|
|
|
int board_late_init(void)
|
|
|
|
{
|
2020-08-05 17:14:14 +00:00
|
|
|
if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
|
|
|
|
setup_board_eeprom_env();
|
|
|
|
setup_serial();
|
2020-01-07 07:45:54 +00:00
|
|
|
|
2020-08-05 17:14:14 +00:00
|
|
|
/* Check for and probe any plugged-in daughtercards */
|
2022-02-09 09:36:51 +00:00
|
|
|
if (board_is_j721e_som() || board_is_j7200_som())
|
|
|
|
probe_daughtercards();
|
2020-08-05 17:14:14 +00:00
|
|
|
}
|
2020-01-07 07:45:54 +00:00
|
|
|
|
2021-07-21 15:58:39 +00:00
|
|
|
if (board_is_j7200_som())
|
|
|
|
configure_serdes_torrent();
|
|
|
|
|
2022-01-28 08:11:38 +00:00
|
|
|
if (board_is_j721e_som())
|
|
|
|
configure_serdes_sierra();
|
|
|
|
|
2020-01-07 07:45:54 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2022-02-09 09:36:48 +00:00
|
|
|
#endif
|
2020-01-07 07:45:54 +00:00
|
|
|
|
|
|
|
void spl_board_init(void)
|
|
|
|
{
|
2020-02-14 09:18:19 +00:00
|
|
|
#if defined(CONFIG_ESM_K3) || defined(CONFIG_ESM_PMIC)
|
|
|
|
struct udevice *dev;
|
|
|
|
int ret;
|
|
|
|
#endif
|
|
|
|
|
2020-08-05 17:14:24 +00:00
|
|
|
if ((IS_ENABLED(CONFIG_TARGET_J721E_A72_EVM) ||
|
|
|
|
IS_ENABLED(CONFIG_TARGET_J7200_A72_EVM)) &&
|
2022-02-09 09:36:51 +00:00
|
|
|
IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
|
|
|
|
if (!board_is_j721e_sk())
|
|
|
|
probe_daughtercards();
|
|
|
|
}
|
2020-02-14 09:18:19 +00:00
|
|
|
|
|
|
|
#ifdef CONFIG_ESM_K3
|
|
|
|
if (board_ti_k3_is("J721EX-PM2-SOM")) {
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
2020-12-29 03:34:56 +00:00
|
|
|
DM_DRIVER_GET(k3_esm), &dev);
|
2020-02-14 09:18:19 +00:00
|
|
|
if (ret)
|
|
|
|
printf("ESM init failed: %d\n", ret);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_ESM_PMIC
|
|
|
|
if (board_ti_k3_is("J721EX-PM2-SOM")) {
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
2020-12-29 03:34:56 +00:00
|
|
|
DM_DRIVER_GET(pmic_esm),
|
2020-02-14 09:18:19 +00:00
|
|
|
&dev);
|
|
|
|
if (ret)
|
|
|
|
printf("ESM PMIC init failed: %d\n", ret);
|
|
|
|
}
|
|
|
|
#endif
|
2020-01-07 07:45:54 +00:00
|
|
|
}
|