| /* Copyright (c) 2014-2015, 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 "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 <arch/arm/mmu.h> |
| #include <mmu.h> |
| #include <smem.h> |
| #include <board.h> |
| #include <target/display.h> |
| |
| #define MSM_IOMAP_SIZE ((MSM_IOMAP_END - MSM_IOMAP_BASE)/MB) |
| #define MSM_SHARED_SIZE 2 |
| |
| /* 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 | MMU_MEMORY_PXN) |
| |
| /* SCRATCH memory - cacheable, write back */ |
| #define SCRATCH_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \ |
| MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN) |
| |
| /* COMMON memory - cacheable, write through */ |
| #define COMMON_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \ |
| MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN) |
| |
| /* downlaod mode memory - cacheable, write through */ |
| #define DLOAD_MEMORY (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \ |
| MMU_MEMORY_AP_READ_ONLY | MMU_MEMORY_XN) |
| |
| static uint64_t ddr_start; |
| |
| static mmu_section_t default_mmu_section_table[] = |
| { |
| /* Physical addr, Virtual addr, Mapping type , Size (in MB), Flags */ |
| { 0x00000000, 0x00000000, MMU_L2_NS_SECTION_MAPPING, 512, IOMAP_MEMORY}, |
| { MEMBASE, MEMBASE, MMU_L2_NS_SECTION_MAPPING, (MEMSIZE / MB), LK_MEMORY}, |
| { KERNEL_ADDR, KERNEL_ADDR, MMU_L2_NS_SECTION_MAPPING, KERNEL_SIZE, SCRATCH_MEMORY}, |
| { SCRATCH_ADDR, SCRATCH_ADDR, MMU_L2_NS_SECTION_MAPPING, SCRATCH_SIZE, SCRATCH_MEMORY}, |
| { MSM_SHARED_BASE, MSM_SHARED_BASE, MMU_L2_NS_SECTION_MAPPING, MSM_SHARED_SIZE, COMMON_MEMORY}, |
| { RPMB_SND_RCV_BUF, RPMB_SND_RCV_BUF, MMU_L2_NS_SECTION_MAPPING, RPMB_SND_RCV_BUF_SZ, IOMAP_MEMORY}, |
| }; |
| |
| /* Map the ddr for download mode, this region belongs to non-hlos images and pil */ |
| static mmu_section_t dload_mmu_section_table[] = |
| { |
| /* Physical addr, Virtual addr, Mapping type , Size (in MB), Flags */ |
| { 0x85800000, 0x85800000, MMU_L2_NS_SECTION_MAPPING, 189, DLOAD_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"); |
| } |
| |
| 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) |
| { |
| int i; |
| int table_sz = ARRAY_SIZE(default_mmu_section_table); |
| |
| /* Map default memory needed for lk , scratch, rpmb & iomap */ |
| for (i = 0 ; i < table_sz; i++) |
| arm_mmu_map_entry(&default_mmu_section_table[i]); |
| |
| if (scm_device_enter_dload()) |
| { |
| /* TZ & Hyp memory can be mapped only while entering the download mode */ |
| table_sz = ARRAY_SIZE(dload_mmu_section_table); |
| |
| for (i = 0 ; i < table_sz; i++) |
| arm_mmu_map_entry(&dload_mmu_section_table[i]); |
| } |
| } |
| |
| addr_t platform_get_virt_to_phys_mapping(addr_t virt_addr) |
| { |
| return virtual_to_physical_mapping(virt_addr); |
| } |
| |
| addr_t platform_get_phys_to_virt_mapping(addr_t phys_addr) |
| { |
| return physical_to_virtual_mapping(phys_addr); |
| } |
| |
| uint32_t platform_get_sclk_count(void) |
| { |
| return readl(MPM2_MPM_SLEEP_TIMETICK_COUNT_VAL); |
| } |
| |
| addr_t get_bs_info_addr() |
| { |
| return BS_INFO_ADDR; |
| } |
| |
| uint32_t platform_get_qmp_rev() |
| { |
| return readl(USB3_PHY_REVISION_ID3) << 24 | readl(USB3_PHY_REVISION_ID2) << 16 | |
| readl(USB3_PHY_REVISION_ID1) << 8 | readl(USB3_PHY_REVISION_ID0); |
| } |
| |
| uint32_t platform_get_max_periph() |
| { |
| return 256; |
| } |
| |
| int platform_is_msm8996() |
| { |
| if (board_platform_id() == MSM8996) |
| return 1; |
| else |
| return 0; |
| } |
| |
| uint64_t platform_get_ddr_start() |
| { |
| return ddr_start; |
| } |
| |
| bool platform_use_qmp_misc_settings() |
| { |
| if (board_soc_version() < 0x30000) |
| return true; |
| |
| return false; |
| } |