| /* |
| * (C) Copyright 2014 - 2015 Xilinx, Inc. |
| * Michal Simek <michal.simek@xilinx.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <sata.h> |
| #include <ahci.h> |
| #include <scsi.h> |
| #include <malloc.h> |
| #include <asm/arch/clk.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/io.h> |
| #include <usb.h> |
| #include <dwc3-uboot.h> |
| #include <zynqmppl.h> |
| #include <i2c.h> |
| #include <g_dnl.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 { |
| uint32_t id; |
| char *name; |
| } zynqmp_devices[] = { |
| { |
| .id = 0x10, |
| .name = "3eg", |
| }, |
| { |
| .id = 0x11, |
| .name = "2eg", |
| }, |
| { |
| .id = 0x20, |
| .name = "5ev", |
| }, |
| { |
| .id = 0x21, |
| .name = "4ev", |
| }, |
| { |
| .id = 0x30, |
| .name = "7ev", |
| }, |
| { |
| .id = 0x38, |
| .name = "9eg", |
| }, |
| { |
| .id = 0x39, |
| .name = "6eg", |
| }, |
| { |
| .id = 0x40, |
| .name = "11eg", |
| }, |
| { |
| .id = 0x50, |
| .name = "15eg", |
| }, |
| { |
| .id = 0x58, |
| .name = "19eg", |
| }, |
| { |
| .id = 0x59, |
| .name = "17eg", |
| }, |
| }; |
| #endif |
| |
| int chip_id(unsigned char id) |
| { |
| struct pt_regs regs; |
| int val = -EINVAL; |
| |
| if (current_el() != 3) { |
| regs.regs[0] = ZYNQMP_SIP_SVC_CSU_DMA_CHIPID; |
| regs.regs[1] = 0; |
| regs.regs[2] = 0; |
| regs.regs[3] = 0; |
| |
| smc_call(®s); |
| |
| /* |
| * SMC returns: |
| * regs[0][31:0] = status of the operation |
| * regs[0][63:32] = CSU.IDCODE register |
| * regs[1][31:0] = CSU.version register |
| */ |
| switch (id) { |
| case IDCODE: |
| regs.regs[0] = upper_32_bits(regs.regs[0]); |
| regs.regs[0] &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK | |
| ZYNQMP_CSU_IDCODE_SVD_MASK; |
| regs.regs[0] >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT; |
| val = regs.regs[0]; |
| break; |
| case VERSION: |
| regs.regs[1] = lower_32_bits(regs.regs[1]); |
| regs.regs[1] &= ZYNQMP_CSU_SILICON_VER_MASK; |
| val = regs.regs[1]; |
| break; |
| default: |
| printf("%s, Invalid Req:0x%x\n", __func__, id); |
| } |
| } else { |
| switch (id) { |
| case IDCODE: |
| val = readl(ZYNQMP_CSU_IDCODE_ADDR); |
| val &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK | |
| ZYNQMP_CSU_IDCODE_SVD_MASK; |
| val >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT; |
| break; |
| case VERSION: |
| val = readl(ZYNQMP_CSU_VER_ADDR); |
| val &= ZYNQMP_CSU_SILICON_VER_MASK; |
| break; |
| default: |
| printf("%s, Invalid Req:0x%x\n", __func__, id); |
| } |
| } |
| |
| return val; |
| } |
| |
| #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \ |
| !defined(CONFIG_SPL_BUILD) |
| static char *zynqmp_get_silicon_idcode_name(void) |
| { |
| uint32_t i, id; |
| |
| id = chip_id(IDCODE); |
| for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) { |
| if (zynqmp_devices[i].id == id) |
| return zynqmp_devices[i].name; |
| } |
| return "unknown"; |
| } |
| #endif |
| |
| int board_early_init_f(void) |
| { |
| #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_CLK_ZYNQMP) |
| zynqmp_pmufw_version(); |
| #endif |
| |
| #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_ZYNQMP_PSU_INIT_ENABLED) |
| psu_init(); |
| #endif |
| |
| return 0; |
| } |
| |
| #define ZYNQMP_VERSION_SIZE 9 |
| |
| int board_init(void) |
| { |
| printf("EL Level:\tEL%d\n", current_el()); |
| |
| #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \ |
| !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_FPGA_SUPPORT) && \ |
| defined(CONFIG_SPL_BUILD)) |
| if (current_el() != 3) { |
| static char version[ZYNQMP_VERSION_SIZE]; |
| |
| strncat(version, "xczu", 4); |
| zynqmppl.name = strncat(version, |
| zynqmp_get_silicon_idcode_name(), |
| ZYNQMP_VERSION_SIZE - 5); |
| printf("Chip ID:\t%s\n", zynqmppl.name); |
| fpga_init(); |
| fpga_add(fpga_xilinx, &zynqmppl); |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| int board_early_init_r(void) |
| { |
| u32 val; |
| |
| val = readl(&crlapb_base->timestamp_ref_ctrl); |
| val &= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT; |
| |
| if (current_el() == 3 && !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; |
| } |
| |
| int zynq_board_read_rom_ethaddr(unsigned char *ethaddr) |
| { |
| #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \ |
| defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \ |
| defined(CONFIG_ZYNQ_EEPROM_BUS) |
| i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS); |
| |
| if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR, |
| CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET, |
| ethaddr, 6)) |
| printf("I2C EEPROM MAC address read failed\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE) |
| int dram_init_banksize(void) |
| { |
| fdtdec_setup_memory_banksize(); |
| |
| return 0; |
| } |
| |
| int dram_init(void) |
| { |
| if (fdtdec_setup_memory_size() != 0) |
| return -EINVAL; |
| |
| return 0; |
| } |
| #else |
| int dram_init(void) |
| { |
| gd->ram_size = CONFIG_SYS_SDRAM_SIZE; |
| |
| return 0; |
| } |
| #endif |
| |
| void reset_cpu(ulong addr) |
| { |
| } |
| |
| int board_late_init(void) |
| { |
| u32 reg = 0; |
| u8 bootmode; |
| const char *mode; |
| char *new_targets; |
| |
| if (!(gd->flags & GD_FLG_ENV_DEFAULT)) { |
| debug("Saved variables - Skipping\n"); |
| return 0; |
| } |
| |
| reg = readl(&crlapb_base->boot_mode); |
| if (reg >> BOOT_MODE_ALT_SHIFT) |
| reg >>= BOOT_MODE_ALT_SHIFT; |
| |
| bootmode = reg & BOOT_MODES_MASK; |
| |
| puts("Bootmode: "); |
| switch (bootmode) { |
| case USB_MODE: |
| puts("USB_MODE\n"); |
| mode = "usb"; |
| break; |
| case JTAG_MODE: |
| puts("JTAG_MODE\n"); |
| mode = "pxe dhcp"; |
| break; |
| case QSPI_MODE_24BIT: |
| case QSPI_MODE_32BIT: |
| mode = "qspi0"; |
| puts("QSPI_MODE\n"); |
| break; |
| case EMMC_MODE: |
| puts("EMMC_MODE\n"); |
| mode = "mmc0"; |
| break; |
| case SD_MODE: |
| puts("SD_MODE\n"); |
| mode = "mmc0"; |
| break; |
| case SD1_LSHFT_MODE: |
| puts("LVL_SHFT_"); |
| /* fall through */ |
| case SD_MODE1: |
| puts("SD_MODE1\n"); |
| #if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1) |
| mode = "mmc1"; |
| #else |
| mode = "mmc0"; |
| #endif |
| break; |
| case NAND_MODE: |
| puts("NAND_MODE\n"); |
| mode = "nand0"; |
| break; |
| default: |
| mode = ""; |
| printf("Invalid Boot Mode:0x%x\n", bootmode); |
| break; |
| } |
| |
| /* |
| * One terminating char + one byte for space between mode |
| * and default boot_targets |
| */ |
| new_targets = calloc(1, strlen(mode) + |
| strlen(getenv("boot_targets")) + 2); |
| |
| sprintf(new_targets, "%s %s", mode, getenv("boot_targets")); |
| env_set("boot_targets", new_targets); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: Xilinx ZynqMP\n"); |
| return 0; |
| } |
| |
| #ifdef CONFIG_USB_DWC3 |
| static struct dwc3_device dwc3_device_data0 = { |
| .maximum_speed = USB_SPEED_HIGH, |
| .base = ZYNQMP_USB0_XHCI_BASEADDR, |
| .dr_mode = USB_DR_MODE_PERIPHERAL, |
| .index = 0, |
| }; |
| |
| static struct dwc3_device dwc3_device_data1 = { |
| .maximum_speed = USB_SPEED_HIGH, |
| .base = ZYNQMP_USB1_XHCI_BASEADDR, |
| .dr_mode = USB_DR_MODE_PERIPHERAL, |
| .index = 1, |
| }; |
| |
| int usb_gadget_handle_interrupts(int index) |
| { |
| dwc3_uboot_handle_interrupt(index); |
| return 0; |
| } |
| |
| int board_usb_init(int index, enum usb_init_type init) |
| { |
| debug("%s: index %x\n", __func__, index); |
| |
| #if defined(CONFIG_USB_GADGET_DOWNLOAD) |
| g_dnl_set_serialnumber(CONFIG_SYS_CONFIG_NAME); |
| #endif |
| |
| switch (index) { |
| case 0: |
| return dwc3_uboot_init(&dwc3_device_data0); |
| case 1: |
| return dwc3_uboot_init(&dwc3_device_data1); |
| }; |
| |
| return -1; |
| } |
| |
| int board_usb_cleanup(int index, enum usb_init_type init) |
| { |
| dwc3_uboot_exit(index); |
| return 0; |
| } |
| #endif |