From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/board/xilinx/versal/board.c | 277 ++++++++++++++++++++++++++++++++
1 file changed, 277 insertions(+)
create mode 100644 roms/u-boot/board/xilinx/versal/board.c
(limited to 'roms/u-boot/board/xilinx/versal/board.c')
diff --git a/roms/u-boot/board/xilinx/versal/board.c b/roms/u-boot/board/xilinx/versal/board.c
new file mode 100644
index 000000000..6045eb2ba
--- /dev/null
+++ b/roms/u-boot/board/xilinx/versal/board.c
@@ -0,0 +1,277 @@
+// 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 <env_internal.h>
+#include <log.h>
+#include <malloc.h>
+#include <time.h>
+#include <asm/cache.h>
+#include <asm/global_data.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 = "usb_dfu0 usb_dfu1";
+ 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(void)
+{
+}
+
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+ u32 bootmode = versal_get_bootmode();
+
+ if (prio)
+ return ENVL_UNKNOWN;
+
+ switch (bootmode) {
+ case EMMC_MODE:
+ case SD_MODE:
+ case SD1_LSHFT_MODE:
+ case SD_MODE1:
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
+ return ENVL_FAT;
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
+ return ENVL_EXT4;
+ return ENVL_UNKNOWN;
+ case OSPI_MODE:
+ case QSPI_MODE_24BIT:
+ case QSPI_MODE_32BIT:
+ if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
+ return ENVL_SPI_FLASH;
+ return ENVL_UNKNOWN;
+ case JTAG_MODE:
+ default:
+ return ENVL_NOWHERE;
+ }
+}
--
cgit