mirror of
https://github.com/brain-hackers/u-boot-brain
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ed0842d6c5
Setup all the distro boot related environment variables at run time. Add BOOT_SCRIPT_OFFSET config to microblaze board Kconfig. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2007-2018 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.eu>
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*/
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/*
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* This is a board specific file. It's OK to include board specific
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* header files
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*/
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#include <common.h>
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#include <config.h>
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#include <env.h>
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#include <init.h>
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#include <log.h>
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#include <dm/lists.h>
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#include <fdtdec.h>
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#include <linux/sizes.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init_banksize(void)
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{
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return fdtdec_setup_memory_banksize();
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}
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int dram_init(void)
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{
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if (fdtdec_setup_mem_size_base() != 0)
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return -EINVAL;
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return 0;
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};
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int board_late_init(void)
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{
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ulong max_size, lowmem_size;
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u32 status = 0;
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#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SYSRESET_MICROBLAZE)
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int ret;
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ret = device_bind_driver(gd->dm_root, "mb_soft_reset",
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"reset_soft", NULL);
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if (ret)
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printf("Warning: No reset driver: ret=%d\n", ret);
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#endif
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if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
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debug("Saved variables - Skipping\n");
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return 0;
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}
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max_size = gd->start_addr_sp - CONFIG_STACK_SIZE;
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max_size = round_down(max_size, SZ_16M);
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/* Linux default LOWMEM_SIZE is 0x30000000 = 768MB */
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lowmem_size = gd->ram_base + 768 * 1024 * 1024;
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status |= env_set_addr("initrd_high", (void *)min_t(ulong, max_size,
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lowmem_size));
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status |= env_set_addr("fdt_high", (void *)min_t(ulong, max_size,
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lowmem_size));
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status |= env_set_hex("scriptaddr", max_size + SZ_2M);
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status |= env_set_hex("pxefile_addr_r", max_size + SZ_1M);
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status |= env_set_hex("kernel_addr_r", gd->ram_base + SZ_32M);
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status |= env_set_hex("fdt_addr_r", gd->ram_base + SZ_32M - SZ_1M);
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status |= env_set_hex("ramdisk_addr_r",
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gd->ram_base + SZ_32M + SZ_4M + SZ_2M);
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status |= env_set_hex("script_offset_f", CONFIG_BOOT_SCRIPT_OFFSET);
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if (status)
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printf("%s: Saving run time variables FAILED\n", __func__);
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return 0;
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}
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