diff options
author | Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> | 2015-10-26 11:30:56 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2015-11-11 08:38:44 +0100 |
commit | 9937f5fff889bde488c5ffd238dcb49e9b9cc7b7 (patch) | |
tree | 2ac3a86bd0914a3b264ade99152f73c052a1cb2e /arch/mips/xilfpga/init.c | |
parent | 552b8b363ede5fc53db343b67c0b2b5eaf783a11 (diff) |
MIPS: xilfpga: Add mipsfpga platform code
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>
Diffstat (limited to 'arch/mips/xilfpga/init.c')
-rw-r--r-- | arch/mips/xilfpga/init.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/xilfpga/init.c b/arch/mips/xilfpga/init.c new file mode 100644 index 000000000000..ce2aee2169ac --- /dev/null +++ b/arch/mips/xilfpga/init.c @@ -0,0 +1,57 @@ +/* + * Xilfpga platform setup + * + * Copyright (C) 2015 Imagination Technologies + * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/of_fdt.h> +#include <linux/of_platform.h> + +#include <asm/prom.h> + +#define XILFPGA_UART_BASE 0xb0401000 + +const char *get_system_type(void) +{ + return "MIPSfpga"; +} + +void __init plat_mem_setup(void) +{ + __dt_setup_arch(__dtb_start); + strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); +} + +void __init prom_init(void) +{ + setup_8250_early_printk_port(XILFPGA_UART_BASE, 2, 50000); +} + +void __init prom_free_prom_memory(void) +{ +} + +void __init device_tree_init(void) +{ + if (!initial_boot_params) + return; + + unflatten_and_copy_device_tree(); +} + +static int __init plat_of_setup(void) +{ + if (!of_have_populated_dt()) + panic("Device tree not present"); + + if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL)) + panic("Failed to populate DT"); + + return 0; +} +arch_initcall(plat_of_setup); |