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Diffstat (limited to 'arch/mips/netlogic/xlp/dt.c')
| -rw-r--r-- | arch/mips/netlogic/xlp/dt.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c new file mode 100644 index 000000000..b5ba83f4c --- /dev/null +++ b/arch/mips/netlogic/xlp/dt.c @@ -0,0 +1,95 @@ +/* + * Copyright 2003-2013 Broadcom Corporation. + * All Rights Reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include <linux/bootmem.h> + +#include <linux/of_fdt.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> + +#include <asm/prom.h> + +extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_xlp_fvp_begin[], + __dtb_xlp_gvp_begin[], __dtb_xlp_rvp_begin[]; +static void *xlp_fdt_blob; + +void __init *xlp_dt_init(void *fdtp) +{ + if (!fdtp) { + switch (current_cpu_data.processor_id & PRID_IMP_MASK) { +#ifdef CONFIG_DT_XLP_RVP + case PRID_IMP_NETLOGIC_XLP5XX: + fdtp = __dtb_xlp_rvp_begin; + break; +#endif +#ifdef CONFIG_DT_XLP_GVP + case PRID_IMP_NETLOGIC_XLP9XX: + fdtp = __dtb_xlp_gvp_begin; + break; +#endif +#ifdef CONFIG_DT_XLP_FVP + case PRID_IMP_NETLOGIC_XLP2XX: + fdtp = __dtb_xlp_fvp_begin; + break; +#endif +#ifdef CONFIG_DT_XLP_SVP + case PRID_IMP_NETLOGIC_XLP3XX: + fdtp = __dtb_xlp_svp_begin; + break; +#endif +#ifdef CONFIG_DT_XLP_EVP + case PRID_IMP_NETLOGIC_XLP8XX: + fdtp = __dtb_xlp_evp_begin; + break; +#endif + default: + /* Pick a built-in if any, and hope for the best */ + fdtp = __dtb_start; + break; + } + } + xlp_fdt_blob = fdtp; + return fdtp; +} + +void __init xlp_early_init_devtree(void) +{ + __dt_setup_arch(xlp_fdt_blob); +} + +void __init device_tree_init(void) +{ + unflatten_and_copy_device_tree(); +} |