projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 9755e3db MS |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * (C) Copyright 2014 - 2019 Xilinx, Inc. | |
| 4 | * Michal Simek <michal.simek@xilinx.com> | |
| 5 | */ | |
| 6 | ||
| 7 | #include <common.h> | |
| 09140113 | 8 | #include <env.h> |
| fc274a59 | 9 | #include <asm/sections.h> |
| 9755e3db MS |
10 | #include <dm/uclass.h> |
| 11 | #include <i2c.h> | |
| a29511ee | 12 | #include <linux/sizes.h> |
| 80fdef12 | 13 | #include "board.h" |
| 9755e3db | 14 | |
| 829e8c73 MS |
15 | int zynq_board_read_rom_ethaddr(unsigned char *ethaddr) |
| 16 | { | |
| 17 | int ret = -EINVAL; | |
| 18 | ||
| 19 | #if defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) | |
| 20 | struct udevice *dev; | |
| 21 | ofnode eeprom; | |
| 22 | ||
| 23 | eeprom = ofnode_get_chosen_node("xlnx,eeprom"); | |
| 24 | if (!ofnode_valid(eeprom)) | |
| 25 | return -ENODEV; | |
| 26 | ||
| 27 | debug("%s: Path to EEPROM %s\n", __func__, | |
| 14ca9f7f | 28 | ofnode_read_chosen_string("xlnx,eeprom")); |
| 829e8c73 MS |
29 | |
| 30 | ret = uclass_get_device_by_ofnode(UCLASS_I2C_EEPROM, eeprom, &dev); | |
| 31 | if (ret) | |
| 32 | return ret; | |
| 33 | ||
| 34 | ret = dm_i2c_read(dev, CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET, ethaddr, 6); | |
| 35 | if (ret) | |
| 36 | debug("%s: I2C EEPROM MAC address read failed\n", __func__); | |
| 37 | else | |
| 38 | debug("%s: I2C EEPROM MAC %pM\n", __func__, ethaddr); | |
| 39 | #endif | |
| 40 | ||
| 41 | return ret; | |
| 42 | } | |
| fec657be | 43 | |
| fc274a59 | 44 | #if defined(CONFIG_OF_BOARD) || defined(CONFIG_OF_SEPARATE) |
| fec657be IE |
45 | void *board_fdt_blob_setup(void) |
| 46 | { | |
| 453bb77d MS |
47 | static void *fdt_blob; |
| 48 | ||
| 49 | #if !defined(CONFIG_VERSAL_NO_DDR) && !defined(CONFIG_ZYNQMP_NO_DDR) | |
| 50 | fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR; | |
| fec657be | 51 | |
| fc274a59 MS |
52 | if (fdt_magic(fdt_blob) == FDT_MAGIC) |
| 53 | return fdt_blob; | |
| fec657be | 54 | |
| fc274a59 | 55 | debug("DTB is not passed via %p\n", fdt_blob); |
| 453bb77d | 56 | #endif |
| fc274a59 MS |
57 | |
| 58 | #ifdef CONFIG_SPL_BUILD | |
| 59 | /* FDT is at end of BSS unless it is in a different memory region */ | |
| 60 | if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS)) | |
| 61 | fdt_blob = (ulong *)&_image_binary_end; | |
| 62 | else | |
| 63 | fdt_blob = (ulong *)&__bss_end; | |
| 64 | #else | |
| 65 | /* FDT is at end of image */ | |
| 66 | fdt_blob = (ulong *)&_end; | |
| 67 | #endif | |
| 68 | ||
| 69 | if (fdt_magic(fdt_blob) == FDT_MAGIC) | |
| 70 | return fdt_blob; | |
| 71 | ||
| 72 | debug("DTB is also not passed via %p\n", fdt_blob); | |
| 73 | ||
| 74 | return NULL; | |
| fec657be IE |
75 | } |
| 76 | #endif | |
| 80fdef12 MS |
77 | |
| 78 | int board_late_init_xilinx(void) | |
| 79 | { | |
| a29511ee MS |
80 | ulong initrd_hi; |
| 81 | ||
| 80fdef12 MS |
82 | env_set_hex("script_offset_f", CONFIG_BOOT_SCRIPT_OFFSET); |
| 83 | ||
| a29511ee MS |
84 | initrd_hi = gd->start_addr_sp - CONFIG_STACK_SIZE; |
| 85 | initrd_hi = round_down(initrd_hi, SZ_16M); | |
| 86 | env_set_addr("initrd_high", (void *)initrd_hi); | |
| 87 | ||
| 80fdef12 MS |
88 | return 0; |
| 89 | } |