mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 21:13:48 +00:00
5582c03565
Create a ft_board_setup() api that gets called as part of DT fixup before jumping to kernel. In this ft_board_setup() call fdt_fixup_msmc_ram that update msmc sram node. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Board specific initialization for AM654 EVM
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*
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* Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
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* Lokesh Vutla <lokeshvutla@ti.com>
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*
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <spl.h>
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#include <asm/arch/sys_proto.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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return 0;
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}
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int dram_init(void)
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{
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#ifdef CONFIG_PHYS_64BIT
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gd->ram_size = 0x100000000;
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#else
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gd->ram_size = 0x80000000;
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#endif
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return 0;
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}
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ulong board_get_usable_ram_top(ulong total_size)
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{
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#ifdef CONFIG_PHYS_64BIT
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/* Limit RAM used by U-Boot to the DDR low region */
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if (gd->ram_top > 0x100000000)
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return 0x100000000;
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#endif
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return gd->ram_top;
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}
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int dram_init_banksize(void)
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{
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/* Bank 0 declares the memory available in the DDR low region */
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = 0x80000000;
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#ifdef CONFIG_PHYS_64BIT
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/* Bank 1 declares the memory available in the DDR high region */
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gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
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gd->bd->bi_dram[1].size = 0x80000000;
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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#ifdef CONFIG_TARGET_AM654_A53_EVM
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if (!strcmp(name, "k3-am654-base-board"))
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return 0;
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#endif
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return -1;
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}
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#endif
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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int ret;
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ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000", "sram@70000000");
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if (ret)
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printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
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return ret;
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}
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#endif
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