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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9937f5fff8
The xilfpga platform will be DT only. Add required platform code. DT files have already been added separately. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Cc: robh+dt@kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11364/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
/*
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* Xilfpga platform setup
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*
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* Copyright (C) 2015 Imagination Technologies
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* Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*/
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#include <linux/of_fdt.h>
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#include <linux/of_platform.h>
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#include <asm/prom.h>
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#define XILFPGA_UART_BASE 0xb0401000
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const char *get_system_type(void)
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{
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return "MIPSfpga";
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}
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void __init plat_mem_setup(void)
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{
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__dt_setup_arch(__dtb_start);
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strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
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}
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void __init prom_init(void)
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{
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setup_8250_early_printk_port(XILFPGA_UART_BASE, 2, 50000);
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}
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void __init prom_free_prom_memory(void)
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{
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}
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void __init device_tree_init(void)
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{
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if (!initial_boot_params)
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return;
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unflatten_and_copy_device_tree();
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}
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static int __init plat_of_setup(void)
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{
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if (!of_have_populated_dt())
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panic("Device tree not present");
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if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL))
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panic("Failed to populate DT");
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return 0;
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}
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arch_initcall(plat_of_setup);
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