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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2014 - 2018 Xilinx, Inc.
- * Michal Simek <michal.simek@xilinx.com>
- */
- #include <common.h>
- #include <cpu_func.h>
- #include <env.h>
- #include <fdtdec.h>
- #include <init.h>
- #include <log.h>
- #include <malloc.h>
- #include <time.h>
- #include <asm/cache.h>
- #include <asm/io.h>
- #include <asm/arch/hardware.h>
- #include <asm/arch/sys_proto.h>
- #include <dm/device.h>
- #include <dm/uclass.h>
- #include <versalpl.h>
- #include "../common/board.h"
- DECLARE_GLOBAL_DATA_PTR;
- #if defined(CONFIG_FPGA_VERSALPL)
- static xilinx_desc versalpl = XILINX_VERSAL_DESC;
- #endif
- int board_init(void)
- {
- printf("EL Level:\tEL%d\n", current_el());
- #if defined(CONFIG_FPGA_VERSALPL)
- fpga_init();
- fpga_add(fpga_xilinx, &versalpl);
- #endif
- if (CONFIG_IS_ENABLED(DM_I2C) && CONFIG_IS_ENABLED(I2C_EEPROM))
- xilinx_read_eeprom();
- return 0;
- }
- int board_early_init_r(void)
- {
- u32 val;
- if (current_el() != 3)
- return 0;
- debug("iou_switch ctrl div0 %x\n",
- readl(&crlapb_base->iou_switch_ctrl));
- writel(IOU_SWITCH_CTRL_CLKACT_BIT |
- (CONFIG_IOU_SWITCH_DIVISOR0 << IOU_SWITCH_CTRL_DIVISOR0_SHIFT),
- &crlapb_base->iou_switch_ctrl);
- /* Global timer init - Program time stamp reference clk */
- val = readl(&crlapb_base->timestamp_ref_ctrl);
- val |= CRL_APB_TIMESTAMP_REF_CTRL_CLKACT_BIT;
- writel(val, &crlapb_base->timestamp_ref_ctrl);
- debug("ref ctrl 0x%x\n",
- readl(&crlapb_base->timestamp_ref_ctrl));
- /* Clear reset of timestamp reg */
- writel(0, &crlapb_base->rst_timestamp);
- /*
- * Program freq register in System counter and
- * enable system counter.
- */
- writel(COUNTER_FREQUENCY,
- &iou_scntr_secure->base_frequency_id_register);
- debug("counter val 0x%x\n",
- readl(&iou_scntr_secure->base_frequency_id_register));
- writel(IOU_SCNTRS_CONTROL_EN,
- &iou_scntr_secure->counter_control_register);
- debug("scntrs control 0x%x\n",
- readl(&iou_scntr_secure->counter_control_register));
- debug("timer 0x%llx\n", get_ticks());
- debug("timer 0x%llx\n", get_ticks());
- return 0;
- }
- static u8 versal_get_bootmode(void)
- {
- u8 bootmode;
- u32 reg = 0;
- reg = readl(&crp_base->boot_mode_usr);
- if (reg >> BOOT_MODE_ALT_SHIFT)
- reg >>= BOOT_MODE_ALT_SHIFT;
- bootmode = reg & BOOT_MODES_MASK;
- return bootmode;
- }
- int board_late_init(void)
- {
- u8 bootmode;
- struct udevice *dev;
- int bootseq = -1;
- int bootseq_len = 0;
- int env_targets_len = 0;
- const char *mode;
- char *new_targets;
- char *env_targets;
- if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
- debug("Saved variables - Skipping\n");
- return 0;
- }
- if (!CONFIG_IS_ENABLED(ENV_VARS_UBOOT_RUNTIME_CONFIG))
- return 0;
- bootmode = versal_get_bootmode();
- puts("Bootmode: ");
- switch (bootmode) {
- case USB_MODE:
- puts("USB_MODE\n");
- mode = "dfu_usb";
- break;
- case JTAG_MODE:
- puts("JTAG_MODE\n");
- mode = "jtag pxe dhcp";
- break;
- case QSPI_MODE_24BIT:
- puts("QSPI_MODE_24\n");
- mode = "xspi0";
- break;
- case QSPI_MODE_32BIT:
- puts("QSPI_MODE_32\n");
- mode = "xspi0";
- break;
- case OSPI_MODE:
- puts("OSPI_MODE\n");
- mode = "xspi0";
- break;
- case EMMC_MODE:
- puts("EMMC_MODE\n");
- if (uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@f1050000", &dev)) {
- puts("Boot from EMMC but without SD1 enabled!\n");
- return -1;
- }
- debug("mmc1 device found at %p, seq %d\n", dev, dev_seq(dev));
- mode = "mmc";
- bootseq = dev_seq(dev);
- break;
- case SD_MODE:
- puts("SD_MODE\n");
- if (uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@f1040000", &dev)) {
- puts("Boot from SD0 but without SD0 enabled!\n");
- return -1;
- }
- debug("mmc0 device found at %p, seq %d\n", dev, dev_seq(dev));
- mode = "mmc";
- bootseq = dev_seq(dev);
- break;
- case SD1_LSHFT_MODE:
- puts("LVL_SHFT_");
- /* fall through */
- case SD_MODE1:
- puts("SD_MODE1\n");
- if (uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@f1050000", &dev)) {
- puts("Boot from SD1 but without SD1 enabled!\n");
- return -1;
- }
- debug("mmc1 device found at %p, seq %d\n", dev, dev_seq(dev));
- mode = "mmc";
- bootseq = dev_seq(dev);
- break;
- default:
- mode = "";
- printf("Invalid Boot Mode:0x%x\n", bootmode);
- break;
- }
- if (bootseq >= 0) {
- bootseq_len = snprintf(NULL, 0, "%i", bootseq);
- debug("Bootseq len: %x\n", bootseq_len);
- }
- /*
- * One terminating char + one byte for space between mode
- * and default boot_targets
- */
- env_targets = env_get("boot_targets");
- if (env_targets)
- env_targets_len = strlen(env_targets);
- new_targets = calloc(1, strlen(mode) + env_targets_len + 2 +
- bootseq_len);
- if (!new_targets)
- return -ENOMEM;
- if (bootseq >= 0)
- sprintf(new_targets, "%s%x %s", mode, bootseq,
- env_targets ? env_targets : "");
- else
- sprintf(new_targets, "%s %s", mode,
- env_targets ? env_targets : "");
- env_set("boot_targets", new_targets);
- return board_late_init_xilinx();
- }
- int dram_init_banksize(void)
- {
- int ret;
- ret = fdtdec_setup_memory_banksize();
- if (ret)
- return ret;
- mem_map_fill();
- return 0;
- }
- int dram_init(void)
- {
- if (fdtdec_setup_mem_size_base_lowest() != 0)
- return -EINVAL;
- return 0;
- }
- void reset_cpu(ulong addr)
- {
- }
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