/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of The Linux Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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 #include #include #include #include #include #include #include #include /* Funtion to add the ram partition entries into device tree. * The function assumes that all the entire fixed memory regions should * be listed in the first bank of the passed in ddr regions. */ uint32_t target_dev_tree_mem(void *fdt, uint32_t memory_node_offset) { struct smem_ram_ptable ram_ptable; uint32_t i; int ret = 0; /* Make sure RAM partition table is initialized */ ASSERT(smem_ram_ptable_init(&ram_ptable)); /* Calculating the size of the mem_info_ptr */ for (i = 0 ; i < ram_ptable.len; i++) { if((ram_ptable.parts[i].category == SDRAM) && (ram_ptable.parts[i].type == SYS_MEMORY)) { /* Pass along all other usable memory regions to Linux */ ret = dev_tree_add_mem_info(fdt, memory_node_offset, ram_ptable.parts[i].start, ram_ptable.parts[i].size); if (ret) { dprintf(CRITICAL, "Failed to add secondary banks memory addresses\n"); goto target_dev_tree_mem_err; } } } target_dev_tree_mem_err: return ret; } void *target_get_scratch_address(void) { return (void *)SCRATCH_ADDR; } unsigned target_get_max_flash_size(void) { return SCRATCH_SIZE; }