| /* Copyright (c) 2009-2012, Code Aurora Forum. 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 Code Aurora 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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. |
| * |
| */ |
| |
| #if !DEVICE_TREE /* If not using device tree */ |
| |
| #include <reg.h> |
| #include <debug.h> |
| #include <smem.h> |
| #include <platform/iomap.h> |
| #include <stdint.h> |
| |
| #define SIZE_1M (1024 * 1024) |
| #define SIZE_2M (2 * SIZE_1M) |
| #define SIZE_256M (256 * SIZE_1M) |
| #define SIZE_512M (512 * SIZE_1M) |
| |
| #define ATAG_MEM 0x54410002 |
| |
| typedef struct { |
| uint32_t size; |
| uint32_t start_addr; |
| }mem_info; |
| |
| |
| mem_info copper_default_first_512M[] = { |
| { .size = (250 * SIZE_1M), |
| .start_addr = SDRAM_START_ADDR |
| }, |
| { .size = (240 * SIZE_1M), |
| .start_addr = SDRAM_START_ADDR + |
| (16 * SIZE_1M) + |
| (256 * SIZE_1M) |
| } |
| }; |
| |
| unsigned *target_mem_atag_create(unsigned *ptr, uint32_t size, uint32_t addr) |
| { |
| *ptr++ = 4; |
| *ptr++ = ATAG_MEM; |
| *ptr++ = size; |
| *ptr++ = addr; |
| |
| return ptr; |
| } |
| |
| |
| unsigned *target_atag_create(unsigned *ptr, |
| mem_info usable_mem_map[], unsigned num_regions) |
| { |
| unsigned int i; |
| |
| ASSERT(num_regions); |
| |
| dprintf(SPEW, "Number of HLOS regions in 1st bank = %u\n", num_regions); |
| |
| for (i = 0; i < num_regions; i++) |
| { |
| ptr = target_mem_atag_create(ptr, |
| usable_mem_map[i].size, |
| usable_mem_map[i].start_addr); |
| } |
| return ptr; |
| } |
| |
| unsigned *target_atag_mem(unsigned *ptr) |
| { |
| struct smem_ram_ptable ram_ptable; |
| uint8_t i = 0; |
| |
| /* Make sure RAM partition table is initialized */ |
| ASSERT(smem_ram_ptable_init(&ram_ptable)); |
| |
| for (i = 0; i < ram_ptable.len; i++) |
| { |
| if (ram_ptable.parts[i].category == SDRAM && |
| (ram_ptable.parts[i].type == SYS_MEMORY) && |
| (ram_ptable.parts[i].start == SDRAM_START_ADDR)) |
| { |
| ASSERT(ram_ptable.parts[i].size >= SIZE_512M); |
| |
| if (ram_ptable.parts[i].start == SDRAM_START_ADDR) |
| ptr = target_atag_create(ptr, |
| copper_default_first_512M, |
| ARRAY_SIZE(copper_default_first_512M)); |
| |
| } |
| |
| /* Pass along all other usable memory regions to Linux */ |
| if (ram_ptable.parts[i].category == SDRAM && |
| (ram_ptable.parts[i].type == SYS_MEMORY) && |
| (ram_ptable.parts[i].start != SDRAM_START_ADDR)) |
| { |
| ptr = target_mem_atag_create(ptr, |
| ram_ptable.parts[i].size, |
| ram_ptable.parts[i].start); |
| } |
| } |
| |
| return ptr; |
| } |
| |
| void *target_get_scratch_address(void) |
| { |
| return ((void *)SCRATCH_ADDR); |
| } |
| |
| #endif /* DEVICE_TREE */ |
| |