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-rw-r--r--roms/u-boot/arch/arm/mach-zynq/Kconfig76
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/Makefile16
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/clk.c108
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/cpu.c145
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/ddrc.c49
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/include/mach/clk.h22
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/include/mach/gpio.h10
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/include/mach/hardware.h133
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/include/mach/ps7_init_gpl.h47
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/include/mach/sys_proto.h22
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S25
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/ps7_spl_init.c147
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/slcr.c199
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/spl.c87
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/timer.c113
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/u-boot-spl.lds64
-rw-r--r--roms/u-boot/arch/arm/mach-zynq/u-boot.lds139
17 files changed, 1402 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-zynq/Kconfig b/roms/u-boot/arch/arm/mach-zynq/Kconfig
new file mode 100644
index 000000000..e54310383
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/Kconfig
@@ -0,0 +1,76 @@
+if ARCH_ZYNQ
+
+config SPL_LDSCRIPT
+ default "arch/arm/mach-zynq/u-boot-spl.lds"
+
+config SPL_FS_FAT
+ default y
+
+config SPL_LIBCOMMON_SUPPORT
+ default y
+
+config SPL_LIBDISK_SUPPORT
+ default y
+
+config SPL_LIBGENERIC_SUPPORT
+ default y
+
+config SPL_MMC_SUPPORT
+ default y if MMC_SDHCI_ZYNQ
+
+config SPL_SERIAL_SUPPORT
+ default y
+
+config SPL_SPI_FLASH_SUPPORT
+ default y if ZYNQ_QSPI
+
+config SPL_SPI_SUPPORT
+ default y if ZYNQ_QSPI
+
+config ZYNQ_DDRC_INIT
+ bool "Zynq DDRC initialization"
+ default y
+ help
+ This option used to perform DDR specific initialization
+ if required. There might be cases like ddr less where we
+ want to skip ddr init and this option is useful for it.
+
+config SYS_BOARD
+ string "Board name"
+ default "zynq"
+
+config SYS_VENDOR
+ string "Vendor name"
+ default "xilinx"
+
+config SYS_SOC
+ default "zynq"
+
+config SYS_CONFIG_NAME
+ string "Board configuration name"
+ default "zynq-common"
+ help
+ This option contains information about board configuration name.
+ Based on this option include/configs/<CONFIG_SYS_CONFIG_NAME>.h header
+ will be used for board configuration.
+
+config SYS_MALLOC_F_LEN
+ default 0x800
+
+config SYS_MALLOC_LEN
+ default 0x1400000
+
+config BOOT_INIT_FILE
+ string "boot.bin init register filename"
+ default ""
+ help
+ Add register writes to boot.bin format (max 256 pairs).
+ Expect a table of register-value pairs, e.g. "0x12345678 0x4321"
+
+config ZYNQ_SDHCI_MAX_FREQ
+ default 52000000
+
+source "board/xilinx/Kconfig"
+source "board/xilinx/zynq/Kconfig"
+
+endif
diff --git a/roms/u-boot/arch/arm/mach-zynq/Makefile b/roms/u-boot/arch/arm/mach-zynq/Makefile
new file mode 100644
index 000000000..8737f434d
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/Makefile
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+
+obj-y := timer.o
+obj-y += cpu.o
+obj-y += ddrc.o
+obj-y += slcr.o
+obj-y += clk.o
+obj-y += lowlevel_init.o
+AFLAGS_lowlevel_init.o := -mfpu=neon
+obj-$(CONFIG_SPL_BUILD) += spl.o ps7_spl_init.o
diff --git a/roms/u-boot/arch/arm/mach-zynq/clk.c b/roms/u-boot/arch/arm/mach-zynq/clk.c
new file mode 100644
index 000000000..27f6bf218
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/clk.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2013 Soren Brinkmann <soren.brinkmann@xilinx.com>
+ * Copyright (C) 2013 Xilinx, Inc. All rights reserved.
+ */
+#include <clk.h>
+#include <common.h>
+#include <dm.h>
+#include <init.h>
+#include <malloc.h>
+#include <asm/arch/clk.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const char * const clk_names[clk_max] = {
+ "armpll", "ddrpll", "iopll",
+ "cpu_6or4x", "cpu_3or2x", "cpu_2x", "cpu_1x",
+ "ddr2x", "ddr3x", "dci",
+ "lqspi", "smc", "pcap", "gem0", "gem1",
+ "fclk0", "fclk1", "fclk2", "fclk3", "can0", "can1",
+ "sdio0", "sdio1", "uart0", "uart1", "spi0", "spi1", "dma",
+ "usb0_aper", "usb1_aper", "gem0_aper", "gem1_aper",
+ "sdio0_aper", "sdio1_aper", "spi0_aper", "spi1_aper",
+ "can0_aper", "can1_aper", "i2c0_aper", "i2c1_aper",
+ "uart0_aper", "uart1_aper", "gpio_aper", "lqspi_aper",
+ "smc_aper", "swdt", "dbg_trc", "dbg_apb"
+};
+
+/**
+ * set_cpu_clk_info() - Setup clock information
+ *
+ * This function is called from common code after relocation and sets up the
+ * clock information.
+ */
+int set_cpu_clk_info(void)
+{
+ struct clk clk;
+ struct udevice *dev;
+ ulong rate;
+ int i, ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_DRIVER_GET(zynq_clk), &dev);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < 2; i++) {
+ clk.id = i ? ddr3x_clk : cpu_6or4x_clk;
+ ret = clk_request(dev, &clk);
+ if (ret < 0)
+ return ret;
+
+ rate = clk_get_rate(&clk) / 1000000;
+ if (i)
+ gd->bd->bi_ddr_freq = rate;
+ else
+ gd->bd->bi_arm_freq = rate;
+
+ clk_free(&clk);
+ }
+ gd->bd->bi_dsp_freq = 0;
+
+ return 0;
+}
+
+/**
+ * soc_clk_dump() - Print clock frequencies
+ * Returns zero on success
+ *
+ * Implementation for the clk dump command.
+ */
+int soc_clk_dump(void)
+{
+ struct udevice *dev;
+ int i, ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_DRIVER_GET(zynq_clk), &dev);
+ if (ret)
+ return ret;
+
+ printf("clk\t\tfrequency\n");
+ for (i = 0; i < clk_max; i++) {
+ const char *name = clk_names[i];
+ if (name) {
+ struct clk clk;
+ unsigned long rate;
+
+ clk.id = i;
+ ret = clk_request(dev, &clk);
+ if (ret < 0)
+ return ret;
+
+ rate = clk_get_rate(&clk);
+
+ clk_free(&clk);
+
+ if ((rate == (unsigned long)-ENOSYS) ||
+ (rate == (unsigned long)-ENXIO))
+ printf("%10s%20s\n", name, "unknown");
+ else
+ printf("%10s%20lu\n", name, rate);
+ }
+ }
+
+ return 0;
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/cpu.c b/roms/u-boot/arch/arm/mach-zynq/cpu.c
new file mode 100644
index 000000000..69b818f24
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/cpu.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2012 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2012 Xilinx, Inc. All rights reserved.
+ */
+#include <common.h>
+#include <cpu_func.h>
+#include <init.h>
+#include <zynqpl.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/ps7_init_gpl.h>
+#include <asm/arch/sys_proto.h>
+
+#define ZYNQ_SILICON_VER_MASK 0xF0000000
+#define ZYNQ_SILICON_VER_SHIFT 28
+
+#if CONFIG_IS_ENABLED(FPGA)
+xilinx_desc fpga = {
+ .family = xilinx_zynq,
+ .iface = devcfg,
+ .operations = &zynq_op,
+};
+#endif
+
+static const struct {
+ u8 idcode;
+#if defined(CONFIG_FPGA)
+ u32 fpga_size;
+#endif
+ char *devicename;
+} zynq_fpga_descs[] = {
+ ZYNQ_DESC(7Z007S),
+ ZYNQ_DESC(7Z010),
+ ZYNQ_DESC(7Z012S),
+ ZYNQ_DESC(7Z014S),
+ ZYNQ_DESC(7Z015),
+ ZYNQ_DESC(7Z020),
+ ZYNQ_DESC(7Z030),
+ ZYNQ_DESC(7Z035),
+ ZYNQ_DESC(7Z045),
+ ZYNQ_DESC(7Z100),
+ { /* Sentinel */ },
+};
+
+int arch_cpu_init(void)
+{
+ zynq_slcr_unlock();
+#ifndef CONFIG_SPL_BUILD
+ /* Device config APB, unlock the PCAP */
+ writel(0x757BDF0D, &devcfg_base->unlock);
+ writel(0xFFFFFFFF, &devcfg_base->rom_shadow);
+
+#if (CONFIG_SYS_SDRAM_BASE == 0)
+ /* remap DDR to zero, FILTERSTART */
+ writel(0, &scu_base->filter_start);
+
+ /* OCM_CFG, Mask out the ROM, map ram into upper addresses */
+ writel(0x1F, &slcr_base->ocm_cfg);
+ /* FPGA_RST_CTRL, clear resets on AXI fabric ports */
+ writel(0x0, &slcr_base->fpga_rst_ctrl);
+ /* Set urgent bits with register */
+ writel(0x0, &slcr_base->ddr_urgent_sel);
+ /* Urgent write, ports S2/S3 */
+ writel(0xC, &slcr_base->ddr_urgent);
+#endif
+#endif
+ zynq_slcr_lock();
+
+ return 0;
+}
+
+unsigned int zynq_get_silicon_version(void)
+{
+ return (readl(&devcfg_base->mctrl) & ZYNQ_SILICON_VER_MASK)
+ >> ZYNQ_SILICON_VER_SHIFT;
+}
+
+void reset_cpu(void)
+{
+ zynq_slcr_cpu_reset();
+ while (1)
+ ;
+}
+
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+void enable_caches(void)
+{
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+}
+#endif
+
+static int __maybe_unused cpu_desc_id(void)
+{
+ u32 idcode;
+ u8 i;
+
+ idcode = zynq_slcr_get_idcode();
+ for (i = 0; zynq_fpga_descs[i].idcode; i++) {
+ if (zynq_fpga_descs[i].idcode == idcode)
+ return i;
+ }
+
+ return -ENODEV;
+}
+
+#if defined(CONFIG_ARCH_EARLY_INIT_R)
+int arch_early_init_r(void)
+{
+#if CONFIG_IS_ENABLED(FPGA)
+ int cpu_id = cpu_desc_id();
+
+ if (cpu_id < 0)
+ return 0;
+
+ fpga.size = zynq_fpga_descs[cpu_id].fpga_size;
+ fpga.name = zynq_fpga_descs[cpu_id].devicename;
+ fpga_init();
+ fpga_add(fpga_xilinx, &fpga);
+#endif
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+ u32 version;
+ int cpu_id = cpu_desc_id();
+
+ if (cpu_id < 0)
+ return 0;
+
+ version = zynq_get_silicon_version() << 1;
+ if (version > (PCW_SILICON_VERSION_3 << 1))
+ version += 1;
+
+ printf("CPU: Zynq %s\n", zynq_fpga_descs[cpu_id].devicename);
+ printf("Silicon: v%d.%d\n", version >> 1, version & 1);
+ return 0;
+}
+#endif
diff --git a/roms/u-boot/arch/arm/mach-zynq/ddrc.c b/roms/u-boot/arch/arm/mach-zynq/ddrc.c
new file mode 100644
index 000000000..28988ef95
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/ddrc.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2012 - 2013 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2012 - 2017 Xilinx, Inc. All rights reserved.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+
+#ifndef CONFIG_ZYNQ_DDRC_INIT
+void zynq_ddrc_init(void) {}
+#else
+/* Control regsiter bitfield definitions */
+#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_MASK 0xC
+#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_SHIFT 2
+#define ZYNQ_DDRC_CTRLREG_BUSWIDTH_16BIT 1
+
+/* ECC scrub regsiter definitions */
+#define ZYNQ_DDRC_ECC_SCRUBREG_ECC_MODE_MASK 0x7
+#define ZYNQ_DDRC_ECC_SCRUBREG_ECCMODE_SECDED 0x4
+
+void zynq_ddrc_init(void)
+{
+ u32 width, ecctype;
+
+ width = readl(&ddrc_base->ddrc_ctrl);
+ width = (width & ZYNQ_DDRC_CTRLREG_BUSWIDTH_MASK) >>
+ ZYNQ_DDRC_CTRLREG_BUSWIDTH_SHIFT;
+ ecctype = (readl(&ddrc_base->ecc_scrub) &
+ ZYNQ_DDRC_ECC_SCRUBREG_ECC_MODE_MASK);
+
+ /* ECC is enabled when memory is in 16bit mode and it is enabled */
+ if ((ecctype == ZYNQ_DDRC_ECC_SCRUBREG_ECCMODE_SECDED) &&
+ (width == ZYNQ_DDRC_CTRLREG_BUSWIDTH_16BIT)) {
+ puts("ECC enabled ");
+ /*
+ * Clear the first 1MB because it is not initialized from
+ * first stage bootloader. To get ECC to work all memory has
+ * been initialized by writing any value.
+ */
+ /* cppcheck-suppress nullPointer */
+ memset((void *)0, 0, 1 * 1024 * 1024);
+ } else {
+ puts("ECC disabled ");
+ }
+}
+#endif
diff --git a/roms/u-boot/arch/arm/mach-zynq/include/mach/clk.h b/roms/u-boot/arch/arm/mach-zynq/include/mach/clk.h
new file mode 100644
index 000000000..4fff9f452
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/include/mach/clk.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ */
+
+#ifndef _ZYNQ_CLK_H_
+#define _ZYNQ_CLK_H_
+
+enum zynq_clk {
+ armpll_clk, ddrpll_clk, iopll_clk,
+ cpu_6or4x_clk, cpu_3or2x_clk, cpu_2x_clk, cpu_1x_clk,
+ ddr2x_clk, ddr3x_clk, dci_clk,
+ lqspi_clk, smc_clk, pcap_clk, gem0_clk, gem1_clk,
+ fclk0_clk, fclk1_clk, fclk2_clk, fclk3_clk, can0_clk, can1_clk,
+ sdio0_clk, sdio1_clk, uart0_clk, uart1_clk, spi0_clk, spi1_clk, dma_clk,
+ usb0_aper_clk, usb1_aper_clk, gem0_aper_clk, gem1_aper_clk,
+ sdio0_aper_clk, sdio1_aper_clk, spi0_aper_clk, spi1_aper_clk,
+ can0_aper_clk, can1_aper_clk, i2c0_aper_clk, i2c1_aper_clk,
+ uart0_aper_clk, uart1_aper_clk, gpio_aper_clk, lqspi_aper_clk,
+ smc_aper_clk, swdt_clk, dbg_trc_clk, dbg_apb_clk, clk_max};
+
+#endif
diff --git a/roms/u-boot/arch/arm/mach-zynq/include/mach/gpio.h b/roms/u-boot/arch/arm/mach-zynq/include/mach/gpio.h
new file mode 100644
index 000000000..6143e2456
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/include/mach/gpio.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2013 Xilinx, Inc.
+ * Copyright (c) 2015 DAVE Embedded Systems
+ */
+
+#ifndef _ZYNQ_GPIO_H
+#define _ZYNQ_GPIO_H
+
+#endif /* _ZYNQ_GPIO_H */
diff --git a/roms/u-boot/arch/arm/mach-zynq/include/mach/hardware.h b/roms/u-boot/arch/arm/mach-zynq/include/mach/hardware.h
new file mode 100644
index 000000000..89eb565c9
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/include/mach/hardware.h
@@ -0,0 +1,133 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+#define ZYNQ_SYS_CTRL_BASEADDR 0xF8000000
+#define ZYNQ_DEV_CFG_APB_BASEADDR 0xF8007000
+#define ZYNQ_SCU_BASEADDR 0xF8F00000
+#define ZYNQ_DDRC_BASEADDR 0xF8006000
+#define ZYNQ_EFUSE_BASEADDR 0xF800D000
+#define ZYNQ_OCM_BASEADDR 0xFFFC0000
+
+/* Bootmode setting values */
+#define ZYNQ_BM_MASK 0x7
+#define ZYNQ_BM_QSPI 0x1
+#define ZYNQ_BM_NOR 0x2
+#define ZYNQ_BM_NAND 0x4
+#define ZYNQ_BM_SD 0x5
+#define ZYNQ_BM_JTAG 0x0
+
+/* Reflect slcr offsets */
+struct slcr_regs {
+ u32 scl; /* 0x0 */
+ u32 slcr_lock; /* 0x4 */
+ u32 slcr_unlock; /* 0x8 */
+ u32 reserved0_1[61];
+ u32 arm_pll_ctrl; /* 0x100 */
+ u32 ddr_pll_ctrl; /* 0x104 */
+ u32 io_pll_ctrl; /* 0x108 */
+ u32 reserved0_2[5];
+ u32 arm_clk_ctrl; /* 0x120 */
+ u32 ddr_clk_ctrl; /* 0x124 */
+ u32 dci_clk_ctrl; /* 0x128 */
+ u32 aper_clk_ctrl; /* 0x12c */
+ u32 reserved0_3[2];
+ u32 gem0_rclk_ctrl; /* 0x138 */
+ u32 gem1_rclk_ctrl; /* 0x13c */
+ u32 gem0_clk_ctrl; /* 0x140 */
+ u32 gem1_clk_ctrl; /* 0x144 */
+ u32 smc_clk_ctrl; /* 0x148 */
+ u32 lqspi_clk_ctrl; /* 0x14c */
+ u32 sdio_clk_ctrl; /* 0x150 */
+ u32 uart_clk_ctrl; /* 0x154 */
+ u32 spi_clk_ctrl; /* 0x158 */
+ u32 can_clk_ctrl; /* 0x15c */
+ u32 can_mioclk_ctrl; /* 0x160 */
+ u32 dbg_clk_ctrl; /* 0x164 */
+ u32 pcap_clk_ctrl; /* 0x168 */
+ u32 reserved0_4[1];
+ u32 fpga0_clk_ctrl; /* 0x170 */
+ u32 reserved0_5[3];
+ u32 fpga1_clk_ctrl; /* 0x180 */
+ u32 reserved0_6[3];
+ u32 fpga2_clk_ctrl; /* 0x190 */
+ u32 reserved0_7[3];
+ u32 fpga3_clk_ctrl; /* 0x1a0 */
+ u32 reserved0_8[8];
+ u32 clk_621_true; /* 0x1c4 */
+ u32 reserved1[14];
+ u32 pss_rst_ctrl; /* 0x200 */
+ u32 reserved2[15];
+ u32 fpga_rst_ctrl; /* 0x240 */
+ u32 reserved3[5];
+ u32 reboot_status; /* 0x258 */
+ u32 boot_mode; /* 0x25c */
+ u32 reserved4[116];
+ u32 trust_zone; /* 0x430 */ /* FIXME */
+ u32 reserved5_1[63];
+ u32 pss_idcode; /* 0x530 */
+ u32 reserved5_2[51];
+ u32 ddr_urgent; /* 0x600 */
+ u32 reserved6[6];
+ u32 ddr_urgent_sel; /* 0x61c */
+ u32 reserved7[56];
+ u32 mio_pin[54]; /* 0x700 - 0x7D4 */
+ u32 reserved8[74];
+ u32 lvl_shftr_en; /* 0x900 */
+ u32 reserved9[3];
+ u32 ocm_cfg; /* 0x910 */
+};
+
+#define slcr_base ((struct slcr_regs *)ZYNQ_SYS_CTRL_BASEADDR)
+
+struct devcfg_regs {
+ u32 ctrl; /* 0x0 */
+ u32 lock; /* 0x4 */
+ u32 cfg; /* 0x8 */
+ u32 int_sts; /* 0xc */
+ u32 int_mask; /* 0x10 */
+ u32 status; /* 0x14 */
+ u32 dma_src_addr; /* 0x18 */
+ u32 dma_dst_addr; /* 0x1c */
+ u32 dma_src_len; /* 0x20 */
+ u32 dma_dst_len; /* 0x24 */
+ u32 rom_shadow; /* 0x28 */
+ u32 reserved1[2];
+ u32 unlock; /* 0x34 */
+ u32 reserved2[18];
+ u32 mctrl; /* 0x80 */
+ u32 reserved3;
+ u32 write_count; /* 0x88 */
+ u32 read_count; /* 0x8c */
+};
+
+#define devcfg_base ((struct devcfg_regs *)ZYNQ_DEV_CFG_APB_BASEADDR)
+
+struct scu_regs {
+ u32 reserved1[16];
+ u32 filter_start; /* 0x40 */
+ u32 filter_end; /* 0x44 */
+};
+
+#define scu_base ((struct scu_regs *)ZYNQ_SCU_BASEADDR)
+
+struct ddrc_regs {
+ u32 ddrc_ctrl; /* 0x0 */
+ u32 reserved[60];
+ u32 ecc_scrub; /* 0xF4 */
+};
+#define ddrc_base ((struct ddrc_regs *)ZYNQ_DDRC_BASEADDR)
+
+struct efuse_reg {
+ u32 reserved1[4];
+ u32 status;
+ u32 reserved2[3];
+};
+
+#define efuse_base ((struct efuse_reg *)ZYNQ_EFUSE_BASEADDR)
+
+#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/roms/u-boot/arch/arm/mach-zynq/include/mach/ps7_init_gpl.h b/roms/u-boot/arch/arm/mach-zynq/include/mach/ps7_init_gpl.h
new file mode 100644
index 000000000..bd46a9b31
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/include/mach/ps7_init_gpl.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (c) Copyright 2010-2014 Xilinx, Inc. All rights reserved.
+ * (c) Copyright 2016 Topic Embedded Products.
+ */
+
+#ifndef _ASM_ARCH_PS7_INIT_GPL_H
+#define _ASM_ARCH_PS7_INIT_GPL_H
+
+/* Opcode exit is 0 all the time */
+#define OPCODE_EXIT 0U
+#define OPCODE_MASKWRITE 0U
+#define OPCODE_MASKPOLL 1U
+#define OPCODE_MASKDELAY 2U
+#define OPCODE_WRITE 3U
+#define OPCODE_ADDRESS_MASK (~3U)
+
+/* Sentinel */
+#define EMIT_EXIT() OPCODE_EXIT
+/* Opcode is in lower 2 bits of address, address is always 4-byte aligned */
+#define EMIT_MASKWRITE(addr, mask, val) OPCODE_MASKWRITE | addr, mask, val
+#define EMIT_MASKPOLL(addr, mask) OPCODE_MASKPOLL | addr, mask
+#define EMIT_MASKDELAY(addr, mask) OPCODE_MASKDELAY | addr, mask
+#define EMIT_WRITE(addr, val) OPCODE_WRITE | addr, val
+
+/* Returns codes of ps7_init* */
+#define PS7_INIT_SUCCESS (0)
+#define PS7_INIT_CORRUPT (1)
+#define PS7_INIT_TIMEOUT (2)
+#define PS7_POLL_FAILED_DDR_INIT (3)
+#define PS7_POLL_FAILED_DMA (4)
+#define PS7_POLL_FAILED_PLL (5)
+
+#define PCW_SILICON_VERSION_1 0
+#define PCW_SILICON_VERSION_2 1
+#define PCW_SILICON_VERSION_3 2
+
+/* Called by spl.c */
+int ps7_init(void);
+int ps7_post_config(void);
+
+/* Defined in ps7_init_common.c */
+int ps7_config(unsigned long *ps7_config_init);
+
+unsigned long ps7GetSiliconVersion(void);
+
+#endif /* _ASM_ARCH_PS7_INIT_GPL_H */
diff --git a/roms/u-boot/arch/arm/mach-zynq/include/mach/sys_proto.h b/roms/u-boot/arch/arm/mach-zynq/include/mach/sys_proto.h
new file mode 100644
index 000000000..1dc16d479
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/include/mach/sys_proto.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2013 Xilinx Inc.
+ */
+
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+extern void zynq_slcr_lock(void);
+extern void zynq_slcr_unlock(void);
+extern void zynq_slcr_cpu_reset(void);
+extern void zynq_slcr_devcfg_disable(void);
+extern void zynq_slcr_devcfg_enable(void);
+extern u32 zynq_slcr_get_boot_mode(void);
+extern u32 zynq_slcr_get_idcode(void);
+extern int zynq_slcr_get_mio_pin_status(const char *periph);
+extern void zynq_ddrc_init(void);
+extern unsigned int zynq_get_silicon_version(void);
+
+int zynq_board_read_rom_ethaddr(unsigned char *ethaddr);
+
+#endif /* _SYS_PROTO_H_ */
diff --git a/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S b/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S
new file mode 100644
index 000000000..ed7329d9a
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2013 - 2015 Xilinx, Inc. All rights reserved.
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+
+ /* Enable the the VFP */
+ mrc p15, 0, r1, c1, c0, 2
+ orr r1, r1, #(0x3 << 20)
+ orr r1, r1, #(0x3 << 20)
+ mcr p15, 0, r1, c1, c0, 2
+ isb
+ fmrx r1, FPEXC
+ orr r1,r1, #(1<<30)
+ fmxr FPEXC, r1
+
+ /* Move back to caller */
+ mov pc, lr
+
+ENDPROC(lowlevel_init)
diff --git a/roms/u-boot/arch/arm/mach-zynq/ps7_spl_init.c b/roms/u-boot/arch/arm/mach-zynq/ps7_spl_init.c
new file mode 100644
index 000000000..4c38724d4
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/ps7_spl_init.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (c) Copyright 2010-2017 Xilinx, Inc. All rights reserved.
+ * (c) Copyright 2016 Topic Embedded Products.
+ */
+
+#include <asm/io.h>
+#include <asm/spl.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/ps7_init_gpl.h>
+
+__weak int ps7_init(void)
+{
+ /*
+ * This function is overridden by the one in
+ * board/xilinx/zynq/(platform)/ps7_init_gpl.c, if it exists.
+ */
+ return 0;
+}
+
+__weak int ps7_post_config(void)
+{
+ /*
+ * This function is overridden by the one in
+ * board/xilinx/zynq/(platform)/ps7_init_gpl.c, if it exists.
+ */
+ return 0;
+}
+
+/* For delay calculation using global registers*/
+#define SCU_GLOBAL_TIMER_COUNT_L32 0xF8F00200
+#define SCU_GLOBAL_TIMER_COUNT_U32 0xF8F00204
+#define SCU_GLOBAL_TIMER_CONTROL 0xF8F00208
+#define SCU_GLOBAL_TIMER_AUTO_INC 0xF8F00218
+#define APU_FREQ 666666666
+
+#define PS7_MASK_POLL_TIME 100000000
+
+/* IO accessors. No memory barriers desired. */
+static inline void iowrite(unsigned long val, unsigned long addr)
+{
+ __raw_writel(val, addr);
+}
+
+static inline unsigned long ioread(unsigned long addr)
+{
+ return __raw_readl(addr);
+}
+
+/* start timer */
+static void perf_start_clock(void)
+{
+ iowrite((1 << 0) | /* Timer Enable */
+ (1 << 3) | /* Auto-increment */
+ (0 << 8), /* Pre-scale */
+ SCU_GLOBAL_TIMER_CONTROL);
+}
+
+/* Compute mask for given delay in miliseconds*/
+static unsigned long get_number_of_cycles_for_delay(unsigned long delay)
+{
+ return (APU_FREQ / (2 * 1000)) * delay;
+}
+
+/* stop timer */
+static void perf_disable_clock(void)
+{
+ iowrite(0, SCU_GLOBAL_TIMER_CONTROL);
+}
+
+/* stop timer and reset timer count regs */
+static void perf_reset_clock(void)
+{
+ perf_disable_clock();
+ iowrite(0, SCU_GLOBAL_TIMER_COUNT_L32);
+ iowrite(0, SCU_GLOBAL_TIMER_COUNT_U32);
+}
+
+static void perf_reset_and_start_timer(void)
+{
+ perf_reset_clock();
+ perf_start_clock();
+}
+
+int __weak ps7_config(unsigned long *ps7_config_init)
+{
+ unsigned long *ptr = ps7_config_init;
+ unsigned long opcode;
+ unsigned long addr;
+ unsigned long val;
+ unsigned long mask;
+ unsigned int numargs;
+ int i;
+ unsigned long delay;
+
+ for (;;) {
+ opcode = ptr[0];
+ if (opcode == OPCODE_EXIT)
+ return PS7_INIT_SUCCESS;
+ addr = (opcode & OPCODE_ADDRESS_MASK);
+
+ switch (opcode & ~OPCODE_ADDRESS_MASK) {
+ case OPCODE_MASKWRITE:
+ numargs = 3;
+ mask = ptr[1];
+ val = ptr[2];
+ iowrite((ioread(addr) & ~mask) | (val & mask), addr);
+ break;
+
+ case OPCODE_WRITE:
+ numargs = 2;
+ val = ptr[1];
+ iowrite(val, addr);
+ break;
+
+ case OPCODE_MASKPOLL:
+ numargs = 2;
+ mask = ptr[1];
+ i = 0;
+ while (!(ioread(addr) & mask)) {
+ if (i == PS7_MASK_POLL_TIME)
+ return PS7_INIT_TIMEOUT;
+ i++;
+ }
+ break;
+
+ case OPCODE_MASKDELAY:
+ numargs = 2;
+ mask = ptr[1];
+ delay = get_number_of_cycles_for_delay(mask);
+ perf_reset_and_start_timer();
+ while (ioread(addr) < delay)
+ ;
+ break;
+
+ default:
+ return PS7_INIT_CORRUPT;
+ }
+
+ ptr += numargs;
+ }
+}
+
+unsigned long __weak __maybe_unused ps7GetSiliconVersion(void)
+{
+ return zynq_get_silicon_version();
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/slcr.c b/roms/u-boot/arch/arm/mach-zynq/slcr.c
new file mode 100644
index 000000000..5d9f4d23f
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/slcr.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2013 - 2017 Xilinx Inc.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+
+#define SLCR_LOCK_MAGIC 0x767B
+#define SLCR_UNLOCK_MAGIC 0xDF0D
+
+#define SLCR_NAND_L2_SEL 0x10
+#define SLCR_NAND_L2_SEL_MASK 0x1F
+
+#define SLCR_USB_L1_SEL 0x04
+
+#define SLCR_IDCODE_MASK 0x1F000
+#define SLCR_IDCODE_SHIFT 12
+
+/*
+ * zynq_slcr_mio_get_status - Get the status of MIO peripheral.
+ *
+ * @peri_name: Name of the peripheral for checking MIO status
+ * @get_pins: Pointer to array of get pin for this peripheral
+ * @num_pins: Number of pins for this peripheral
+ * @mask: Mask value
+ * @check_val: Required check value to get the status of periph
+ */
+struct zynq_slcr_mio_get_status {
+ const char *peri_name;
+ const int *get_pins;
+ int num_pins;
+ u32 mask;
+ u32 check_val;
+};
+
+static const int nand8_pins[] = {
+ 0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
+};
+
+static const int nand16_pins[] = {
+ 16, 17, 18, 19, 20, 21, 22, 23
+};
+
+static const int usb0_pins[] = {
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
+};
+
+static const int usb1_pins[] = {
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
+};
+
+static const struct zynq_slcr_mio_get_status mio_periphs[] = {
+ {
+ "nand8",
+ nand8_pins,
+ ARRAY_SIZE(nand8_pins),
+ SLCR_NAND_L2_SEL_MASK,
+ SLCR_NAND_L2_SEL,
+ },
+ {
+ "nand16",
+ nand16_pins,
+ ARRAY_SIZE(nand16_pins),
+ SLCR_NAND_L2_SEL_MASK,
+ SLCR_NAND_L2_SEL,
+ },
+ {
+ "usb0",
+ usb0_pins,
+ ARRAY_SIZE(usb0_pins),
+ SLCR_USB_L1_SEL,
+ SLCR_USB_L1_SEL,
+ },
+ {
+ "usb1",
+ usb1_pins,
+ ARRAY_SIZE(usb1_pins),
+ SLCR_USB_L1_SEL,
+ SLCR_USB_L1_SEL,
+ },
+};
+
+static int slcr_lock = 1; /* 1 means locked, 0 means unlocked */
+
+void zynq_slcr_lock(void)
+{
+ if (!slcr_lock) {
+ writel(SLCR_LOCK_MAGIC, &slcr_base->slcr_lock);
+ slcr_lock = 1;
+ }
+}
+
+void zynq_slcr_unlock(void)
+{
+ if (slcr_lock) {
+ writel(SLCR_UNLOCK_MAGIC, &slcr_base->slcr_unlock);
+ slcr_lock = 0;
+ }
+}
+
+/* Reset the entire system */
+void zynq_slcr_cpu_reset(void)
+{
+ /*
+ * Unlock the SLCR then reset the system.
+ * Note that this seems to require raw i/o
+ * functions or there's a lockup?
+ */
+ zynq_slcr_unlock();
+
+ /*
+ * Clear 0x0F000000 bits of reboot status register to workaround
+ * the FSBL not loading the bitstream after soft-reboot
+ * This is a temporary solution until we know more.
+ */
+ clrbits_le32(&slcr_base->reboot_status, 0xF000000);
+
+ writel(1, &slcr_base->pss_rst_ctrl);
+}
+
+void zynq_slcr_devcfg_disable(void)
+{
+ u32 reg_val;
+
+ zynq_slcr_unlock();
+
+ /* Disable AXI interface by asserting FPGA resets */
+ writel(0xF, &slcr_base->fpga_rst_ctrl);
+
+ /* Disable Level shifters before setting PS-PL */
+ reg_val = readl(&slcr_base->lvl_shftr_en);
+ reg_val &= ~0xF;
+ writel(reg_val, &slcr_base->lvl_shftr_en);
+
+ /* Set Level Shifters DT618760 */
+ writel(0xA, &slcr_base->lvl_shftr_en);
+
+ zynq_slcr_lock();
+}
+
+void zynq_slcr_devcfg_enable(void)
+{
+ zynq_slcr_unlock();
+
+ /* Set Level Shifters DT618760 */
+ writel(0xF, &slcr_base->lvl_shftr_en);
+
+ /* Enable AXI interface by de-asserting FPGA resets */
+ writel(0x0, &slcr_base->fpga_rst_ctrl);
+
+ zynq_slcr_lock();
+}
+
+u32 zynq_slcr_get_boot_mode(void)
+{
+ /* Get the bootmode register value */
+ return readl(&slcr_base->boot_mode);
+}
+
+u32 zynq_slcr_get_idcode(void)
+{
+ return (readl(&slcr_base->pss_idcode) & SLCR_IDCODE_MASK) >>
+ SLCR_IDCODE_SHIFT;
+}
+
+/*
+ * zynq_slcr_get_mio_pin_status - Get the MIO pin status of peripheral.
+ *
+ * @periph: Name of the peripheral
+ *
+ * Returns count to indicate the number of pins configured for the
+ * given @periph.
+ */
+int zynq_slcr_get_mio_pin_status(const char *periph)
+{
+ const struct zynq_slcr_mio_get_status *mio_ptr;
+ int val, j;
+ int mio = 0;
+ u32 i;
+
+ for (i = 0; i < ARRAY_SIZE(mio_periphs); i++) {
+ if (strcmp(periph, mio_periphs[i].peri_name) == 0) {
+ mio_ptr = &mio_periphs[i];
+ for (j = 0; j < mio_ptr->num_pins; j++) {
+ val = readl(&slcr_base->mio_pin
+ [mio_ptr->get_pins[j]]);
+ if ((val & mio_ptr->mask) == mio_ptr->check_val)
+ mio++;
+ }
+ break;
+ }
+ }
+
+ return mio;
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/spl.c b/roms/u-boot/arch/arm/mach-zynq/spl.c
new file mode 100644
index 000000000..d09141c3b
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/spl.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
+ */
+#include <common.h>
+#include <debug_uart.h>
+#include <hang.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <spl.h>
+
+#include <asm/io.h>
+#include <asm/spl.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/ps7_init_gpl.h>
+
+void board_init_f(ulong dummy)
+{
+ ps7_init();
+
+ arch_cpu_init();
+
+#ifdef CONFIG_DEBUG_UART
+ /* Uart debug for sure */
+ debug_uart_init();
+ puts("Debug uart enabled\n"); /* or printch() */
+#endif
+}
+
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+ preloader_console_init();
+#if defined(CONFIG_ARCH_EARLY_INIT_R) && defined(CONFIG_SPL_FPGA)
+ arch_early_init_r();
+#endif
+ board_init();
+}
+#endif
+
+u32 spl_boot_device(void)
+{
+ u32 mode;
+
+ switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
+#ifdef CONFIG_SPL_SPI_SUPPORT
+ case ZYNQ_BM_QSPI:
+ mode = BOOT_DEVICE_SPI;
+ break;
+#endif
+ case ZYNQ_BM_NAND:
+ mode = BOOT_DEVICE_NAND;
+ break;
+ case ZYNQ_BM_NOR:
+ mode = BOOT_DEVICE_NOR;
+ break;
+#ifdef CONFIG_SPL_MMC_SUPPORT
+ case ZYNQ_BM_SD:
+ mode = BOOT_DEVICE_MMC1;
+ break;
+#endif
+ case ZYNQ_BM_JTAG:
+ mode = BOOT_DEVICE_RAM;
+ break;
+ default:
+ puts("Unsupported boot mode selected\n");
+ hang();
+ }
+
+ return mode;
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ /* boot linux */
+ return 0;
+}
+#endif
+
+void spl_board_prepare_for_boot(void)
+{
+ ps7_post_config();
+ debug("SPL bye\n");
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/timer.c b/roms/u-boot/arch/arm/mach-zynq/timer.c
new file mode 100644
index 000000000..a51822a53
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/timer.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Weidmüller Interface GmbH & Co. KG
+ * Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
+ *
+ * Copyright (C) 2012 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2011-2017 Xilinx, Inc. All rights reserved.
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * (C) Copyright 2004
+ * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
+ *
+ * (C) Copyright 2002-2004
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ */
+
+#include <clk.h>
+#include <common.h>
+#include <div64.h>
+#include <dm.h>
+#include <init.h>
+#include <time.h>
+#include <malloc.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct scu_timer {
+ u32 load; /* Timer Load Register */
+ u32 counter; /* Timer Counter Register */
+ u32 control; /* Timer Control Register */
+};
+
+static struct scu_timer *timer_base =
+ (struct scu_timer *)ZYNQ_SCUTIMER_BASEADDR;
+
+#define SCUTIMER_CONTROL_PRESCALER_MASK 0x0000FF00 /* Prescaler */
+#define SCUTIMER_CONTROL_PRESCALER_SHIFT 8
+#define SCUTIMER_CONTROL_AUTO_RELOAD_MASK 0x00000002 /* Auto-reload */
+#define SCUTIMER_CONTROL_ENABLE_MASK 0x00000001 /* Timer enable */
+
+#define TIMER_LOAD_VAL 0xFFFFFFFF
+#define TIMER_PRESCALE 255
+
+int timer_init(void)
+{
+ const u32 emask = SCUTIMER_CONTROL_AUTO_RELOAD_MASK |
+ (TIMER_PRESCALE << SCUTIMER_CONTROL_PRESCALER_SHIFT) |
+ SCUTIMER_CONTROL_ENABLE_MASK;
+
+ struct udevice *dev;
+ struct clk clk;
+ int ret;
+
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_DRIVER_GET(zynq_clk), &dev);
+ if (ret)
+ return ret;
+
+ clk.id = cpu_6or4x_clk;
+ ret = clk_request(dev, &clk);
+ if (ret < 0)
+ return ret;
+
+ gd->cpu_clk = clk_get_rate(&clk);
+
+ clk_free(&clk);
+
+ gd->arch.timer_rate_hz = (gd->cpu_clk / 2) / (TIMER_PRESCALE + 1);
+
+ /* Load the timer counter register */
+ writel(0xFFFFFFFF, &timer_base->load);
+
+ /*
+ * Start the A9Timer device
+ * Enable Auto reload mode, Clear prescaler control bits
+ * Set prescaler value, Enable the decrementer
+ */
+ clrsetbits_le32(&timer_base->control, SCUTIMER_CONTROL_PRESCALER_MASK,
+ emask);
+
+ /* Reset time */
+ gd->arch.lastinc = readl(&timer_base->counter) /
+ (gd->arch.timer_rate_hz / CONFIG_SYS_HZ);
+ gd->arch.tbl = 0;
+
+ return 0;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return gd->arch.timer_rate_hz;
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/u-boot-spl.lds b/roms/u-boot/arch/arm/mach-zynq/u-boot-spl.lds
new file mode 100644
index 000000000..106d2e390
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/u-boot-spl.lds
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2014 Xilinx, Inc. Michal Simek
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ */
+
+MEMORY { .sram : ORIGIN = IMAGE_TEXT_BASE,\
+ LENGTH = IMAGE_MAX_SIZE }
+MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
+ LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = ALIGN(4);
+ .text :
+ {
+ __image_copy_start = .;
+ *(.vectors)
+ CPUDIR/start.o (.text*)
+ *(.text*)
+ } > .sram
+
+ . = ALIGN(4);
+ .rodata : {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ } > .sram
+
+ . = ALIGN(4);
+ .data : {
+ *(.data*)
+ } > .sram
+
+ . = ALIGN(4);
+ .u_boot_list : {
+ KEEP(*(SORT(.u_boot_list*)));
+ } > .sram
+
+ . = ALIGN(4);
+
+ _image_binary_end = .;
+
+ _end = .;
+
+ /* Move BSS section to RAM because of FAT */
+ .bss (NOLOAD) : {
+ __bss_start = .;
+ *(.bss*)
+ . = ALIGN(4);
+ __bss_end = .;
+ } > .sdram
+
+ /DISCARD/ : { *(.dynsym) }
+ /DISCARD/ : { *(.dynstr*) }
+ /DISCARD/ : { *(.dynamic*) }
+ /DISCARD/ : { *(.plt*) }
+ /DISCARD/ : { *(.interp*) }
+ /DISCARD/ : { *(.gnu*) }
+}
diff --git a/roms/u-boot/arch/arm/mach-zynq/u-boot.lds b/roms/u-boot/arch/arm/mach-zynq/u-boot.lds
new file mode 100644
index 000000000..91c32e89e
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-zynq/u-boot.lds
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ *(.__image_copy_start)
+ *(.vectors)
+ CPUDIR/start.o (.text*)
+ }
+
+ /* This needs to come before *(.text*) */
+ .__efi_runtime_start : {
+ *(.__efi_runtime_start)
+ }
+
+ .efi_runtime : {
+ *(.text.efi_runtime*)
+ *(.rodata.efi_runtime*)
+ *(.data.efi_runtime*)
+ }
+
+ .__efi_runtime_stop : {
+ *(.__efi_runtime_stop)
+ }
+
+ .text_rest :
+ {
+ *(.text*)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : {
+ *(.data*)
+ }
+
+ . = ALIGN(4);
+
+ . = .;
+
+ . = ALIGN(4);
+ .u_boot_list : {
+ KEEP(*(SORT(.u_boot_list*)));
+ }
+
+ . = ALIGN(4);
+
+ .efi_runtime_rel_start :
+ {
+ *(.__efi_runtime_rel_start)
+ }
+
+ .efi_runtime_rel : {
+ *(.rel*.efi_runtime)
+ *(.rel*.efi_runtime.*)
+ }
+
+ .efi_runtime_rel_stop :
+ {
+ *(.__efi_runtime_rel_stop)
+ }
+
+ . = ALIGN(4);
+ .image_copy_end :
+ {
+ *(.__image_copy_end)
+ }
+
+ .rel_dyn_start :
+ {
+ *(.__rel_dyn_start)
+ }
+
+ .rel.dyn : {
+ *(.rel*)
+ }
+
+ .rel_dyn_end :
+ {
+ *(.__rel_dyn_end)
+ }
+
+ .end :
+ {
+ *(.__end)
+ }
+
+ _image_binary_end = .;
+
+/*
+ * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c
+ * __bss_base and __bss_limit are for linker only (overlay ordering)
+ */
+
+ .bss_start __rel_dyn_start (OVERLAY) : {
+ KEEP(*(.__bss_start));
+ __bss_base = .;
+ }
+
+ .bss __bss_base (OVERLAY) : {
+ *(.bss*)
+ . = ALIGN(4);
+ __bss_limit = .;
+ }
+
+ .bss_end __bss_limit (OVERLAY) : {
+ KEEP(*(.__bss_end));
+ }
+
+ /*
+ * Zynq needs to discard these sections because the user
+ * is expected to pass this image on to tools for boot.bin
+ * generation that require them to be dropped.
+ */
+ /DISCARD/ : { *(.dynsym) }
+ /DISCARD/ : { *(.dynbss*) }
+ /DISCARD/ : { *(.dynstr*) }
+ /DISCARD/ : { *(.dynamic*) }
+ /DISCARD/ : { *(.plt*) }
+ /DISCARD/ : { *(.interp*) }
+ /DISCARD/ : { *(.gnu*) }
+ /DISCARD/ : { *(.ARM.exidx*) }
+ /DISCARD/ : { *(.gnu.linkonce.armexidx.*) }
+}