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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2014 - 2015 Xilinx, Inc.
- * Michal Simek <michal.simek@xilinx.com>
- */
- #include <common.h>
- #include <command.h>
- #include <cpu_func.h>
- #include <debug_uart.h>
- #include <env.h>
- #include <init.h>
- #include <log.h>
- #include <net.h>
- #include <sata.h>
- #include <ahci.h>
- #include <scsi.h>
- #include <malloc.h>
- #include <wdt.h>
- #include <asm/arch/clk.h>
- #include <asm/arch/hardware.h>
- #include <asm/arch/sys_proto.h>
- #include <asm/arch/psu_init_gpl.h>
- #include <asm/cache.h>
- #include <asm/io.h>
- #include <asm/ptrace.h>
- #include <dm/device.h>
- #include <dm/uclass.h>
- #include <usb.h>
- #include <dwc3-uboot.h>
- #include <zynqmppl.h>
- #include <zynqmp_firmware.h>
- #include <g_dnl.h>
- #include <linux/bitops.h>
- #include <linux/delay.h>
- #include <linux/sizes.h>
- #include "../common/board.h"
- #include "pm_cfg_obj.h"
- DECLARE_GLOBAL_DATA_PTR;
- #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
- !defined(CONFIG_SPL_BUILD)
- static xilinx_desc zynqmppl = XILINX_ZYNQMP_DESC;
- static const struct {
- u32 id;
- u32 ver;
- char *name;
- bool evexists;
- } zynqmp_devices[] = {
- {
- .id = 0x10,
- .name = "3eg",
- },
- {
- .id = 0x10,
- .ver = 0x2c,
- .name = "3cg",
- },
- {
- .id = 0x11,
- .name = "2eg",
- },
- {
- .id = 0x11,
- .ver = 0x2c,
- .name = "2cg",
- },
- {
- .id = 0x20,
- .name = "5ev",
- .evexists = 1,
- },
- {
- .id = 0x20,
- .ver = 0x100,
- .name = "5eg",
- .evexists = 1,
- },
- {
- .id = 0x20,
- .ver = 0x12c,
- .name = "5cg",
- .evexists = 1,
- },
- {
- .id = 0x21,
- .name = "4ev",
- .evexists = 1,
- },
- {
- .id = 0x21,
- .ver = 0x100,
- .name = "4eg",
- .evexists = 1,
- },
- {
- .id = 0x21,
- .ver = 0x12c,
- .name = "4cg",
- .evexists = 1,
- },
- {
- .id = 0x30,
- .name = "7ev",
- .evexists = 1,
- },
- {
- .id = 0x30,
- .ver = 0x100,
- .name = "7eg",
- .evexists = 1,
- },
- {
- .id = 0x30,
- .ver = 0x12c,
- .name = "7cg",
- .evexists = 1,
- },
- {
- .id = 0x38,
- .name = "9eg",
- },
- {
- .id = 0x38,
- .ver = 0x2c,
- .name = "9cg",
- },
- {
- .id = 0x39,
- .name = "6eg",
- },
- {
- .id = 0x39,
- .ver = 0x2c,
- .name = "6cg",
- },
- {
- .id = 0x40,
- .name = "11eg",
- },
- { /* For testing purpose only */
- .id = 0x50,
- .ver = 0x2c,
- .name = "15cg",
- },
- {
- .id = 0x50,
- .name = "15eg",
- },
- {
- .id = 0x58,
- .name = "19eg",
- },
- {
- .id = 0x59,
- .name = "17eg",
- },
- {
- .id = 0x61,
- .name = "21dr",
- },
- {
- .id = 0x63,
- .name = "23dr",
- },
- {
- .id = 0x65,
- .name = "25dr",
- },
- {
- .id = 0x64,
- .name = "27dr",
- },
- {
- .id = 0x60,
- .name = "28dr",
- },
- {
- .id = 0x62,
- .name = "29dr",
- },
- {
- .id = 0x66,
- .name = "39dr",
- },
- {
- .id = 0x7b,
- .name = "48dr",
- },
- {
- .id = 0x7e,
- .name = "49dr",
- },
- };
- #endif
- #define ZYNQMP_VERSION_SIZE 9
- #define ZYNQMP_PL_STATUS_BIT 9
- #define ZYNQMP_IPDIS_VCU_BIT 8
- #define ZYNQMP_PL_STATUS_MASK BIT(ZYNQMP_PL_STATUS_BIT)
- #define ZYNQMP_CSU_VERSION_MASK ~(ZYNQMP_PL_STATUS_MASK)
- #define ZYNQMP_CSU_VCUDIS_VER_MASK ZYNQMP_CSU_VERSION_MASK & \
- ~BIT(ZYNQMP_IPDIS_VCU_BIT)
- #define MAX_VARIANTS_EV 3
- #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
- !defined(CONFIG_SPL_BUILD)
- static char *zynqmp_get_silicon_idcode_name(void)
- {
- u32 i, id, ver, j;
- char *buf;
- static char name[ZYNQMP_VERSION_SIZE];
- u32 ret_payload[PAYLOAD_ARG_CNT];
- xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
- /*
- * Firmware returns:
- * payload[0][31:0] = status of the operation
- * payload[1]] = IDCODE
- * payload[2][19:0] = Version
- * payload[2][28:20] = EXTENDED_IDCODE
- * payload[2][29] = PL_INIT
- */
- /* Get IDCODE field */
- id = ret_payload[1];
- id &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK | ZYNQMP_CSU_IDCODE_SVD_MASK;
- id >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;
- /* Shift silicon version info */
- ver = ret_payload[2] >> ZYNQMP_CSU_VERSION_EMPTY_SHIFT;
- debug("%s, ID: 0x%0X, Ver: 0x%0X\r\n", __func__, id, ver);
- for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
- if (zynqmp_devices[i].id == id) {
- if (zynqmp_devices[i].evexists &&
- !(ver & ZYNQMP_PL_STATUS_MASK))
- break;
- if (zynqmp_devices[i].ver == (ver &
- ZYNQMP_CSU_VERSION_MASK))
- break;
- }
- }
- if (i >= ARRAY_SIZE(zynqmp_devices))
- return "unknown";
- strncat(name, "zu", 2);
- if (!zynqmp_devices[i].evexists ||
- (ver & ZYNQMP_PL_STATUS_MASK)) {
- strncat(name, zynqmp_devices[i].name,
- ZYNQMP_VERSION_SIZE - 3);
- return name;
- }
- /*
- * Here we are means, PL not powered up and ev variant
- * exists. So, we need to ignore VCU disable bit(8) in
- * version and findout if its CG or EG/EV variant.
- */
- for (j = 0; j < MAX_VARIANTS_EV; j++, i++) {
- if ((zynqmp_devices[i].ver & ~BIT(ZYNQMP_IPDIS_VCU_BIT)) ==
- (ver & ZYNQMP_CSU_VCUDIS_VER_MASK)) {
- strncat(name, zynqmp_devices[i].name,
- ZYNQMP_VERSION_SIZE - 3);
- break;
- }
- }
- if (j >= MAX_VARIANTS_EV)
- return "unknown";
- if (strstr(name, "eg") || strstr(name, "ev")) {
- buf = strstr(name, "e");
- *buf = '\0';
- }
- return name;
- }
- #endif
- int board_early_init_f(void)
- {
- #if defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED)
- int ret;
- ret = psu_init();
- if (ret)
- return ret;
- /* Delay is required for clocks to be propagated */
- udelay(1000000);
- #endif
- #ifdef CONFIG_DEBUG_UART
- /* Uart debug for sure */
- debug_uart_init();
- puts("Debug uart enabled\n"); /* or printch() */
- #endif
- return 0;
- }
- static int multi_boot(void)
- {
- u32 multiboot;
- multiboot = readl(&csu_base->multi_boot);
- printf("Multiboot:\t%d\n", multiboot);
- return 0;
- }
- #define PS_SYSMON_ANALOG_BUS_VAL 0x3210
- #define PS_SYSMON_ANALOG_BUS_REG 0xFFA50914
- int board_init(void)
- {
- #if defined(CONFIG_ZYNQMP_FIRMWARE)
- struct udevice *dev;
- uclass_get_device_by_name(UCLASS_FIRMWARE, "zynqmp-power", &dev);
- if (!dev)
- panic("PMU Firmware device not found - Enable it");
- #endif
- #if defined(CONFIG_SPL_BUILD)
- /* Check *at build time* if the filename is an non-empty string */
- if (sizeof(CONFIG_ZYNQMP_SPL_PM_CFG_OBJ_FILE) > 1)
- zynqmp_pmufw_load_config_object(zynqmp_pm_cfg_obj,
- zynqmp_pm_cfg_obj_size);
- #endif
- printf("EL Level:\tEL%d\n", current_el());
- /* Bug in ROM sets wrong value in this register */
- writel(PS_SYSMON_ANALOG_BUS_VAL, PS_SYSMON_ANALOG_BUS_REG);
- #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
- !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_FPGA_SUPPORT) && \
- defined(CONFIG_SPL_BUILD))
- zynqmppl.name = zynqmp_get_silicon_idcode_name();
- printf("Chip ID:\t%s\n", zynqmppl.name);
- fpga_init();
- fpga_add(fpga_xilinx, &zynqmppl);
- #endif
- if (current_el() == 3)
- multi_boot();
- return 0;
- }
- int board_early_init_r(void)
- {
- u32 val;
- if (current_el() != 3)
- return 0;
- val = readl(&crlapb_base->timestamp_ref_ctrl);
- val &= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
- if (!val) {
- val = readl(&crlapb_base->timestamp_ref_ctrl);
- val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
- writel(val, &crlapb_base->timestamp_ref_ctrl);
- /* Program freq register in System counter */
- writel(zynqmp_get_system_timer_freq(),
- &iou_scntr_secure->base_frequency_id_register);
- /* And enable system counter */
- writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
- &iou_scntr_secure->counter_control_register);
- }
- return 0;
- }
- unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
- char *const argv[])
- {
- int ret = 0;
- if (current_el() > 1) {
- smp_kick_all_cpus();
- dcache_disable();
- armv8_switch_to_el1(0x0, 0, 0, 0, (unsigned long)entry,
- ES_TO_AARCH64);
- } else {
- printf("FAIL: current EL is not above EL1\n");
- ret = EINVAL;
- }
- return ret;
- }
- #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
- 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() != 0)
- return -EINVAL;
- return 0;
- }
- #else
- int dram_init_banksize(void)
- {
- gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- gd->bd->bi_dram[0].size = get_effective_memsize();
- mem_map_fill();
- return 0;
- }
- int dram_init(void)
- {
- gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
- CONFIG_SYS_SDRAM_SIZE);
- return 0;
- }
- #endif
- void reset_cpu(ulong addr)
- {
- }
- #if defined(CONFIG_BOARD_LATE_INIT)
- static const struct {
- u32 bit;
- const char *name;
- } reset_reasons[] = {
- { RESET_REASON_DEBUG_SYS, "DEBUG" },
- { RESET_REASON_SOFT, "SOFT" },
- { RESET_REASON_SRST, "SRST" },
- { RESET_REASON_PSONLY, "PS-ONLY" },
- { RESET_REASON_PMU, "PMU" },
- { RESET_REASON_INTERNAL, "INTERNAL" },
- { RESET_REASON_EXTERNAL, "EXTERNAL" },
- {}
- };
- static int reset_reason(void)
- {
- u32 reg;
- int i, ret;
- const char *reason = NULL;
- ret = zynqmp_mmio_read((ulong)&crlapb_base->reset_reason, ®);
- if (ret)
- return -EINVAL;
- puts("Reset reason:\t");
- for (i = 0; i < ARRAY_SIZE(reset_reasons); i++) {
- if (reg & reset_reasons[i].bit) {
- reason = reset_reasons[i].name;
- printf("%s ", reset_reasons[i].name);
- break;
- }
- }
- puts("\n");
- env_set("reset_reason", reason);
- ret = zynqmp_mmio_write((ulong)&crlapb_base->reset_reason, ~0, ~0);
- if (ret)
- return -EINVAL;
- return ret;
- }
- static int set_fdtfile(void)
- {
- char *compatible, *fdtfile;
- const char *suffix = ".dtb";
- const char *vendor = "xilinx/";
- int fdt_compat_len;
- if (env_get("fdtfile"))
- return 0;
- compatible = (char *)fdt_getprop(gd->fdt_blob, 0, "compatible",
- &fdt_compat_len);
- if (compatible && fdt_compat_len) {
- char *name;
- debug("Compatible: %s\n", compatible);
- name = strchr(compatible, ',');
- if (!name)
- return -EINVAL;
- name++;
- fdtfile = calloc(1, strlen(vendor) + strlen(name) +
- strlen(suffix) + 1);
- if (!fdtfile)
- return -ENOMEM;
- sprintf(fdtfile, "%s%s%s", vendor, name, suffix);
- env_set("fdtfile", fdtfile);
- free(fdtfile);
- }
- return 0;
- }
- static u8 zynqmp_get_bootmode(void)
- {
- u8 bootmode;
- u32 reg = 0;
- int ret;
- ret = zynqmp_mmio_read((ulong)&crlapb_base->boot_mode, ®);
- if (ret)
- return -EINVAL;
- 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;
- int ret;
- #if defined(CONFIG_USB_ETHER) && !defined(CONFIG_USB_GADGET_DOWNLOAD)
- usb_ether_init();
- #endif
- 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;
- ret = set_fdtfile();
- if (ret)
- return ret;
- bootmode = zynqmp_get_bootmode();
- puts("Bootmode: ");
- switch (bootmode) {
- case USB_MODE:
- puts("USB_MODE\n");
- mode = "usb";
- env_set("modeboot", "usb_dfu_spl");
- break;
- case JTAG_MODE:
- puts("JTAG_MODE\n");
- mode = "jtag pxe dhcp";
- env_set("modeboot", "jtagboot");
- break;
- case QSPI_MODE_24BIT:
- case QSPI_MODE_32BIT:
- mode = "qspi0";
- puts("QSPI_MODE\n");
- env_set("modeboot", "qspiboot");
- break;
- case EMMC_MODE:
- puts("EMMC_MODE\n");
- if (uclass_get_device_by_name(UCLASS_MMC,
- "mmc@ff160000", &dev) &&
- uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@ff160000", &dev)) {
- puts("Boot from EMMC but without SD0 enabled!\n");
- return -1;
- }
- debug("mmc0 device found at %p, seq %d\n", dev, dev->seq);
- mode = "mmc";
- bootseq = dev->seq;
- break;
- case SD_MODE:
- puts("SD_MODE\n");
- if (uclass_get_device_by_name(UCLASS_MMC,
- "mmc@ff160000", &dev) &&
- uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@ff160000", &dev)) {
- puts("Boot from SD0 but without SD0 enabled!\n");
- return -1;
- }
- debug("mmc0 device found at %p, seq %d\n", dev, dev->seq);
- mode = "mmc";
- bootseq = dev->seq;
- env_set("modeboot", "sdboot");
- 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,
- "mmc@ff170000", &dev) &&
- uclass_get_device_by_name(UCLASS_MMC,
- "sdhci@ff170000", &dev)) {
- puts("Boot from SD1 but without SD1 enabled!\n");
- return -1;
- }
- debug("mmc1 device found at %p, seq %d\n", dev, dev->seq);
- mode = "mmc";
- bootseq = dev->seq;
- env_set("modeboot", "sdboot");
- break;
- case NAND_MODE:
- puts("NAND_MODE\n");
- mode = "nand0";
- env_set("modeboot", "nandboot");
- 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);
- reset_reason();
- return board_late_init_xilinx();
- }
- #endif
- int checkboard(void)
- {
- puts("Board: Xilinx ZynqMP\n");
- return 0;
- }
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