diff options
author | Kevin Cernekee <cernekee@gmail.com> | 2014-12-25 20:49:00 +0300 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2015-04-01 18:21:35 +0300 |
commit | 5f2d44591fb374ae346a3df682d722b68552adc2 (patch) | |
tree | 22bd5d017c3b9fe25a25587ebb65b05abf37cbe1 /arch/mips/bmips/setup.c | |
parent | eb2236ea580bb21c954c889cc3dc05b3e98238cd (diff) | |
download | linux-5f2d44591fb374ae346a3df682d722b68552adc2.tar.xz |
MIPS: bcm3384: Rename "bcm3384" target to "bmips"
This platform is configured primarily through device tree, and we can
reuse the same code to support a bunch of other chips. Change the name
to reflect this.
[ralf@linux-mips.org: Fix conflicts with other patches.]
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jaedon.shin@gmail.com
Cc: abrestic@chromium.org
Cc: tglx@linutronix.de
Cc: jason@lakedaemon.net
Cc: jogo@openwrt.org
Cc: computersforpeace@gmail.com
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8838/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/bmips/setup.c')
-rw-r--r-- | arch/mips/bmips/setup.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c new file mode 100644 index 000000000000..5099109b2325 --- /dev/null +++ b/arch/mips/bmips/setup.c @@ -0,0 +1,97 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + * Copyright (C) 2014 Kevin Cernekee <cernekee@gmail.com> + */ + +#include <linux/init.h> +#include <linux/bootmem.h> +#include <linux/clk-provider.h> +#include <linux/ioport.h> +#include <linux/of.h> +#include <linux/of_fdt.h> +#include <linux/of_platform.h> +#include <linux/smp.h> +#include <asm/addrspace.h> +#include <asm/bmips.h> +#include <asm/bootinfo.h> +#include <asm/prom.h> +#include <asm/smp-ops.h> +#include <asm/time.h> + +void __init prom_init(void) +{ + register_bmips_smp_ops(); +} + +void __init prom_free_prom_memory(void) +{ +} + +const char *get_system_type(void) +{ + return "Generic BMIPS kernel"; +} + +void __init plat_time_init(void) +{ + struct device_node *np; + u32 freq; + + np = of_find_node_by_name(NULL, "cpus"); + if (!np) + panic("missing 'cpus' DT node"); + if (of_property_read_u32(np, "mips-hpt-frequency", &freq) < 0) + panic("missing 'mips-hpt-frequency' property"); + of_node_put(np); + + mips_hpt_frequency = freq; +} + +void __init plat_mem_setup(void) +{ + void *dtb = __dtb_start; + + set_io_port_base(0); + ioport_resource.start = 0; + ioport_resource.end = ~0; + + /* intended to somewhat resemble ARM; see Documentation/arm/Booting */ + if (fw_arg0 == 0 && fw_arg1 == 0xffffffff) + dtb = phys_to_virt(fw_arg2); + + __dt_setup_arch(dtb); + + strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); +} + +void __init device_tree_init(void) +{ + struct device_node *np; + + unflatten_and_copy_device_tree(); + + /* Disable SMP boot unless both CPUs are listed in DT and !disabled */ + np = of_find_node_by_name(NULL, "cpus"); + if (np && of_get_available_child_count(np) <= 1) + bmips_smp_enabled = 0; + of_node_put(np); +} + +int __init plat_of_setup(void) +{ + return __dt_register_buses("brcm,bcm3384", "simple-bus"); +} + +arch_initcall(plat_of_setup); + +static int __init plat_dev_init(void) +{ + of_clk_init(NULL); + return 0; +} + +device_initcall(plat_dev_init); |