| /* Copyright (c) 2013-2015, 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 <debug.h> |
| #include <reg.h> |
| #include <platform/iomap.h> |
| #include <qgic.h> |
| #include <qtimer.h> |
| #include <platform/clock.h> |
| #include <mmu.h> |
| #include <arch/arm/mmu.h> |
| #include <smem.h> |
| #include <board.h> |
| |
| #define MSM_IOMAP_SIZE ((MSM_IOMAP_END - MSM_IOMAP_BASE)/MB) |
| |
| #define HLOS_MEMORY_START 0x0 |
| #define HLOS_MEMORY_SIZE 0x63 |
| |
| /* LK memory - cacheable, write back */ |
| #define LK_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \ |
| MMU_MEMORY_AP_READ_WRITE) |
| |
| /* Peripherals - non-shared device */ |
| #define IOMAP_MEMORY (MMU_MEMORY_TYPE_DEVICE_SHARED | \ |
| MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN) |
| |
| /* IMEM memory - cacheable, write through */ |
| #define COMMON_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \ |
| MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN) |
| |
| /* Scratch memory - cacheable, write back */ |
| #define SCRATCH_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \ |
| MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN) |
| |
| |
| static mmu_section_t mmu_section_table[] = { |
| /* Physical addr, Virtual addr, Size (in MB), Flags */ |
| { MEMBASE, MEMBASE, (MEMSIZE / MB), LK_MEMORY}, |
| { MSM_IOMAP_BASE, MSM_IOMAP_BASE, MSM_IOMAP_SIZE, IOMAP_MEMORY}, |
| { SYSTEM_IMEM_BASE, SYSTEM_IMEM_BASE, 1, COMMON_MEMORY}, |
| { MSM_SHARED_BASE, MSM_SHARED_BASE, 2, COMMON_MEMORY}, |
| { HLOS_MEMORY_START, HLOS_MEMORY_START, HLOS_MEMORY_SIZE, COMMON_MEMORY}, |
| { SCRATCH_ADDR, SCRATCH_ADDR, (SCRATCH_SIZE / MB), SCRATCH_MEMORY}, |
| { RPMB_SND_RCV_BUF, RPMB_SND_RCV_BUF, RPMB_SND_RCV_BUF_SZ, IOMAP_MEMORY}, |
| }; |
| |
| void platform_early_init(void) |
| { |
| board_init(); |
| platform_clock_init(); |
| qgic_init(); |
| qtimer_init(); |
| scm_init(); |
| } |
| |
| void platform_init(void) |
| { |
| dprintf(INFO, "platform_init()\n"); |
| #if ENABLE_XPU_VIOLATION |
| scm_xpu_err_fatal_init(); |
| #endif |
| } |
| |
| void platform_uninit(void) |
| { |
| #if DISPLAY_SPLASH_SCREEN |
| display_shutdown(); |
| #endif |
| |
| qtimer_uninit(); |
| } |
| |
| int platform_use_identity_mmu_mappings(void) |
| { |
| /* Use only the mappings specified in this file. */ |
| return 0; |
| } |
| |
| /* Setup memory for this platform */ |
| void platform_init_mmu_mappings(void) |
| { |
| uint32_t i; |
| uint32_t sections; |
| uint32_t table_size = ARRAY_SIZE(mmu_section_table); |
| |
| /* Configure the MMU page entries for memory read from the |
| mmu_section_table */ |
| for (i = 0; i < table_size; i++) |
| { |
| sections = mmu_section_table[i].num_of_sections; |
| |
| while (sections--) |
| { |
| arm_mmu_map_section(mmu_section_table[i].paddress + |
| sections * MB, |
| mmu_section_table[i].vaddress + |
| sections * MB, |
| mmu_section_table[i].flags); |
| } |
| } |
| } |
| |
| addr_t platform_get_virt_to_phys_mapping(addr_t virt_addr) |
| { |
| /* Using 1-1 mapping on this platform. */ |
| return virt_addr; |
| } |
| |
| addr_t platform_get_phys_to_virt_mapping(addr_t phys_addr) |
| { |
| /* Using 1-1 mapping on this platform. */ |
| return phys_addr; |
| } |
| |
| uint32_t platform_get_sclk_count(void) |
| { |
| return readl(MPM2_MPM_SLEEP_TIMETICK_COUNT_VAL); |
| } |
| |
| int platform_is_msm8994() |
| { |
| uint32_t platform = board_platform_id(); |
| if ((platform == APQ8094) || (platform == MSM8994)) |
| return 1; |
| else |
| return 0; |
| } |
| |
| int platform_is_msm8992() |
| { |
| int ret; |
| |
| uint32_t platform = board_platform_id(); |
| switch (platform) { |
| case MSM8992: |
| case APQ8092: |
| ret = 1; |
| break; |
| default: |
| ret = 0; |
| } |
| |
| return ret; |
| } |
| |
| addr_t get_bs_info_addr() |
| { |
| if (platform_is_msm8994()) |
| return ((addr_t)BS_INFO_ADDR); |
| else |
| return ((addr_t)BS_INFO_ADDR2); |
| } |