| /* Copyright (c) 2009-2011,2015 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 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. |
| * |
| */ |
| |
| #include <reg.h> |
| #include <debug.h> |
| #include <smem.h> |
| #include <stdint.h> |
| #include <lib/ptable.h> |
| |
| #define SIZE_1M (1024 * 1024) |
| #define SIZE_8M (8 * SIZE_1M) |
| #define SIZE_15M (15 * SIZE_1M) |
| #define SIZE_17M (17 * SIZE_1M) |
| #define SIZE_23M (23 * SIZE_1M) |
| #define SIZE_88M (11 * SIZE_8M) |
| #define SIZE_38M (38 * SIZE_1M) |
| #define SIZE_128M (16 * SIZE_8M) |
| |
| unsigned *target_atag_mem(unsigned *ptr) |
| { |
| struct smem_ram_ptable ram_ptable; |
| uint8_t i = 0; |
| struct ptable *nand_ptable; |
| struct ptentry *dsp3_ptn; |
| unsigned int size; |
| |
| if (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 == 0x40000000) { |
| ASSERT(ram_ptable.parts[i].size >= SIZE_15M); |
| |
| *ptr++ = 4; |
| *ptr++ = 0x54410002; |
| *ptr++ = SIZE_15M; |
| *ptr++ = ram_ptable.parts[i].start + SIZE_8M; |
| |
| *ptr++ = 4; |
| *ptr++ = 0x54410002; |
| *ptr++ = (SIZE_23M-SIZE_1M); |
| *ptr++ = ram_ptable.parts[i].start + SIZE_88M; |
| |
| if(ram_ptable.parts[i].size == 0x10000000) { |
| *ptr++ = 4; |
| *ptr++ = 0x54410002; |
| *ptr++ = SIZE_128M; |
| *ptr++ = ram_ptable.parts[i].start + SIZE_128M; |
| } |
| |
| nand_ptable = flash_get_ptable(); |
| dsp3_ptn = ptable_find(nand_ptable, "dsp3"); |
| |
| /* Check for DSP3 partition and its size */ |
| if(dsp3_ptn != NULL){ |
| size = dsp3_ptn->start; |
| size += dsp3_ptn->length; |
| if(size != dsp3_ptn->start) |
| continue; |
| } |
| |
| /*Add additional atag to pass DSP3 memory to kernel*/ |
| *ptr++ = 4; |
| *ptr++ = 0x54410002; |
| *ptr++ = SIZE_17M; |
| *ptr++ = ram_ptable.parts[i].start + SIZE_88M + SIZE_23M; |
| |
| } |
| } |
| } else { |
| dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n"); |
| ASSERT(0); |
| } |
| |
| return ptr; |
| } |
| |
| void *target_get_scratch_address(void) |
| { |
| return ((void *)SCRATCH_ADDR); |
| } |
| |
| unsigned target_get_max_flash_size(void) |
| { |
| return (SIZE_38M); |
| } |