| /* Copyright (c) 2009, 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. |
| * |
| */ |
| |
| #include <reg.h> |
| #include <debug.h> |
| #include <smem.h> |
| |
| #define EBI1_ADDR_128M 0x08000000 |
| #define SIZE_1M 0x00100000 |
| |
| |
| static int scratch_addr = -1; |
| |
| unsigned* target_atag_mem(unsigned* ptr) |
| { |
| struct smem_ram_ptable ram_ptable; |
| unsigned i = 0; |
| |
| if (smem_ram_ptable_init(&ram_ptable)) |
| { |
| for (i = 0; i < ram_ptable.len; i++) |
| { |
| if ((ram_ptable.parts[i].attr == READWRITE) |
| && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| && (ram_ptable.parts[i].type == APPS_MEMORY) |
| && (ram_ptable.parts[i].category != IMEM)) |
| { |
| /* ATAG_MEM */ |
| *ptr++ = 4; |
| *ptr++ = 0x54410002; |
| *ptr++ = ram_ptable.parts[i].size; |
| *ptr++ = ram_ptable.parts[i].start; |
| } |
| |
| /* Check for modem bootloader memory that can be reclaimed */ |
| if ((ram_ptable.parts[i].attr == READWRITE) |
| && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| && (ram_ptable.parts[i].type == BOOT_REGION_MEMORY1)) |
| { |
| /* ATAG_MEM_OSBL */ |
| *ptr++ = 4; |
| *ptr++ = 0x5441000C; |
| *ptr++ = ram_ptable.parts[i].size; |
| *ptr++ = ram_ptable.parts[i].start; |
| } |
| } |
| } |
| else |
| { |
| dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n"); |
| ASSERT(0); |
| } |
| |
| return ptr; |
| } |
| |
| void *target_get_scratch_address(void) |
| { |
| struct smem_ram_ptable ram_ptable; |
| unsigned i = 0; |
| |
| if (smem_ram_ptable_init(&ram_ptable)) |
| { |
| for (i = 0; i < ram_ptable.len; i++) |
| { |
| if ((ram_ptable.parts[i].attr == READWRITE) |
| && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| && (ram_ptable.parts[i].start != 0x0)) |
| { |
| if (ram_ptable.parts[i].size >= FASTBOOT_BUF_SIZE) |
| { |
| scratch_addr = ram_ptable.parts[i].start; |
| break; |
| } |
| } |
| } |
| } |
| else |
| { |
| dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n"); |
| ASSERT(0); |
| } |
| |
| return (void *)((scratch_addr == -1) ? EBI1_ADDR_128M : scratch_addr); |
| } |