| /* |
| * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch_helpers.h> |
| #include <assert.h> |
| #include <bl_common.h> |
| #include <console.h> |
| #include <debug.h> |
| #include <desc_image_load.h> |
| #include <dw_mmc.h> |
| #include <emmc.h> |
| #include <errno.h> |
| #include <hi6220.h> |
| #include <hisi_mcu.h> |
| #include <hisi_sram_map.h> |
| #include <mmio.h> |
| #ifdef SPD_opteed |
| #include <optee_utils.h> |
| #endif |
| #include <platform.h> |
| #include <platform_def.h> /* also includes hikey_def.h and hikey_layout.h*/ |
| #include <string.h> |
| |
| #include "hikey_private.h" |
| |
| /* |
| * The next 2 constants identify the extents of the code & RO data region. |
| * These addresses are used by the MMU setup code and therefore they must be |
| * page-aligned. It is the responsibility of the linker script to ensure that |
| * __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses. |
| */ |
| #define BL2_RO_BASE (unsigned long)(&__RO_START__) |
| #define BL2_RO_LIMIT (unsigned long)(&__RO_END__) |
| |
| #define BL2_RW_BASE (BL2_RO_LIMIT) |
| |
| /* |
| * The next 2 constants identify the extents of the coherent memory region. |
| * These addresses are used by the MMU setup code and therefore they must be |
| * page-aligned. It is the responsibility of the linker script to ensure that |
| * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to |
| * page-aligned addresses. |
| */ |
| #define BL2_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__) |
| #define BL2_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__) |
| |
| static meminfo_t bl2_el3_tzram_layout; |
| |
| enum { |
| BOOT_MODE_RECOVERY = 0, |
| BOOT_MODE_NORMAL, |
| BOOT_MODE_MASK = 1, |
| }; |
| |
| /******************************************************************************* |
| * Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol. |
| * Return 0 on success, -1 otherwise. |
| ******************************************************************************/ |
| int plat_hikey_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info) |
| { |
| /* Enable MCU SRAM */ |
| hisi_mcu_enable_sram(); |
| |
| /* Load MCU binary into SRAM */ |
| hisi_mcu_load_image(scp_bl2_image_info->image_base, |
| scp_bl2_image_info->image_size); |
| /* Let MCU running */ |
| hisi_mcu_start_run(); |
| |
| INFO("%s: MCU PC is at 0x%x\n", |
| __func__, mmio_read_32(AO_SC_MCU_SUBSYS_STAT2)); |
| INFO("%s: AO_SC_PERIPH_CLKSTAT4 is 0x%x\n", |
| __func__, mmio_read_32(AO_SC_PERIPH_CLKSTAT4)); |
| return 0; |
| } |
| |
| /******************************************************************************* |
| * Gets SPSR for BL32 entry |
| ******************************************************************************/ |
| uint32_t hikey_get_spsr_for_bl32_entry(void) |
| { |
| /* |
| * The Secure Payload Dispatcher service is responsible for |
| * setting the SPSR prior to entry into the BL3-2 image. |
| */ |
| return 0; |
| } |
| |
| /******************************************************************************* |
| * Gets SPSR for BL33 entry |
| ******************************************************************************/ |
| #ifndef AARCH32 |
| uint32_t hikey_get_spsr_for_bl33_entry(void) |
| { |
| unsigned int mode; |
| uint32_t spsr; |
| |
| /* Figure out what mode we enter the non-secure world in */ |
| mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1; |
| |
| /* |
| * TODO: Consider the possibility of specifying the SPSR in |
| * the FIP ToC and allowing the platform to have a say as |
| * well. |
| */ |
| spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); |
| return spsr; |
| } |
| #else |
| uint32_t hikey_get_spsr_for_bl33_entry(void) |
| { |
| unsigned int hyp_status, mode, spsr; |
| |
| hyp_status = GET_VIRT_EXT(read_id_pfr1()); |
| |
| mode = (hyp_status) ? MODE32_hyp : MODE32_svc; |
| |
| /* |
| * TODO: Consider the possibility of specifying the SPSR in |
| * the FIP ToC and allowing the platform to have a say as |
| * well. |
| */ |
| spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1, |
| SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS); |
| return spsr; |
| } |
| #endif /* AARCH32 */ |
| |
| int hikey_bl2_handle_post_image_load(unsigned int image_id) |
| { |
| int err = 0; |
| bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); |
| #ifdef SPD_opteed |
| bl_mem_params_node_t *pager_mem_params = NULL; |
| bl_mem_params_node_t *paged_mem_params = NULL; |
| #endif |
| assert(bl_mem_params); |
| |
| switch (image_id) { |
| #ifdef AARCH64 |
| case BL32_IMAGE_ID: |
| #ifdef SPD_opteed |
| pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID); |
| assert(pager_mem_params); |
| |
| paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID); |
| assert(paged_mem_params); |
| |
| err = parse_optee_header(&bl_mem_params->ep_info, |
| &pager_mem_params->image_info, |
| &paged_mem_params->image_info); |
| if (err != 0) { |
| WARN("OPTEE header parse error.\n"); |
| } |
| #endif |
| bl_mem_params->ep_info.spsr = hikey_get_spsr_for_bl32_entry(); |
| break; |
| #endif |
| |
| case BL33_IMAGE_ID: |
| /* BL33 expects to receive the primary CPU MPID (through r0) */ |
| bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr(); |
| bl_mem_params->ep_info.spsr = hikey_get_spsr_for_bl33_entry(); |
| break; |
| |
| #ifdef SCP_BL2_BASE |
| case SCP_BL2_IMAGE_ID: |
| /* The subsequent handling of SCP_BL2 is platform specific */ |
| err = plat_hikey_bl2_handle_scp_bl2(&bl_mem_params->image_info); |
| if (err) { |
| WARN("Failure in platform-specific handling of SCP_BL2 image.\n"); |
| } |
| break; |
| #endif |
| default: |
| /* Do nothing in default case */ |
| break; |
| } |
| |
| return err; |
| } |
| |
| /******************************************************************************* |
| * This function can be used by the platforms to update/use image |
| * information for given `image_id`. |
| ******************************************************************************/ |
| int bl2_plat_handle_post_image_load(unsigned int image_id) |
| { |
| return hikey_bl2_handle_post_image_load(image_id); |
| } |
| |
| static void reset_dwmmc_clk(void) |
| { |
| unsigned int data; |
| |
| /* disable mmc0 bus clock */ |
| mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC0); |
| do { |
| data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0); |
| } while (data & PERI_CLK0_MMC0); |
| /* enable mmc0 bus clock */ |
| mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC0); |
| do { |
| data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0); |
| } while (!(data & PERI_CLK0_MMC0)); |
| /* reset mmc0 clock domain */ |
| mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC0); |
| |
| /* bypass mmc0 clock phase */ |
| data = mmio_read_32(PERI_SC_PERIPH_CTRL2); |
| data |= 3; |
| mmio_write_32(PERI_SC_PERIPH_CTRL2, data); |
| |
| /* disable low power */ |
| data = mmio_read_32(PERI_SC_PERIPH_CTRL13); |
| data |= 1 << 3; |
| mmio_write_32(PERI_SC_PERIPH_CTRL13, data); |
| do { |
| data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0); |
| } while (!(data & PERI_RST0_MMC0)); |
| |
| /* unreset mmc0 clock domain */ |
| mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC0); |
| do { |
| data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0); |
| } while (data & PERI_RST0_MMC0); |
| } |
| |
| static void hikey_boardid_init(void) |
| { |
| u_register_t midr; |
| |
| midr = read_midr(); |
| mmio_write_32(MEMORY_AXI_CHIP_ADDR, midr); |
| INFO("[BDID] [%x] midr: 0x%x\n", MEMORY_AXI_CHIP_ADDR, |
| (unsigned int)midr); |
| |
| mmio_write_32(MEMORY_AXI_BOARD_TYPE_ADDR, 0); |
| mmio_write_32(MEMORY_AXI_BOARD_ID_ADDR, 0x2b); |
| |
| mmio_write_32(ACPU_ARM64_FLAGA, 0x1234); |
| mmio_write_32(ACPU_ARM64_FLAGB, 0x5678); |
| } |
| |
| static void hikey_sd_init(void) |
| { |
| /* switch pinmux to SD */ |
| mmio_write_32(IOMG_SD_CLK, IOMG_MUX_FUNC0); |
| mmio_write_32(IOMG_SD_CMD, IOMG_MUX_FUNC0); |
| mmio_write_32(IOMG_SD_DATA0, IOMG_MUX_FUNC0); |
| mmio_write_32(IOMG_SD_DATA1, IOMG_MUX_FUNC0); |
| mmio_write_32(IOMG_SD_DATA2, IOMG_MUX_FUNC0); |
| mmio_write_32(IOMG_SD_DATA3, IOMG_MUX_FUNC0); |
| |
| mmio_write_32(IOCG_SD_CLK, IOCG_INPUT_16MA); |
| mmio_write_32(IOCG_SD_CMD, IOCG_INPUT_12MA); |
| mmio_write_32(IOCG_SD_DATA0, IOCG_INPUT_12MA); |
| mmio_write_32(IOCG_SD_DATA1, IOCG_INPUT_12MA); |
| mmio_write_32(IOCG_SD_DATA2, IOCG_INPUT_12MA); |
| mmio_write_32(IOCG_SD_DATA3, IOCG_INPUT_12MA); |
| |
| /* set SD Card detect as nopull */ |
| mmio_write_32(IOCG_GPIO8, 0); |
| } |
| |
| static void hikey_jumper_init(void) |
| { |
| /* set jumper detect as nopull */ |
| mmio_write_32(IOCG_GPIO24, 0); |
| /* set jumper detect as GPIO */ |
| mmio_write_32(IOMG_GPIO24, IOMG_MUX_FUNC0); |
| } |
| |
| void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2, |
| u_register_t arg3, u_register_t arg4) |
| { |
| /* Initialize the console to provide early debug support */ |
| console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE); |
| /* |
| * Allow BL2 to see the whole Trusted RAM. |
| */ |
| bl2_el3_tzram_layout.total_base = BL2_RW_BASE; |
| bl2_el3_tzram_layout.total_size = BL31_LIMIT - BL2_RW_BASE; |
| } |
| |
| void bl2_el3_plat_arch_setup(void) |
| { |
| hikey_init_mmu_el3(bl2_el3_tzram_layout.total_base, |
| bl2_el3_tzram_layout.total_size, |
| BL2_RO_BASE, |
| BL2_RO_LIMIT, |
| BL2_COHERENT_RAM_BASE, |
| BL2_COHERENT_RAM_LIMIT); |
| } |
| |
| void bl2_platform_setup(void) |
| { |
| dw_mmc_params_t params; |
| |
| hikey_sp804_init(); |
| hikey_gpio_init(); |
| hikey_pmussi_init(); |
| hikey_hi6553_init(); |
| |
| dsb(); |
| hikey_ddr_init(DDR_FREQ_800M); |
| hikey_security_setup(); |
| |
| /* Clear SRAM since it'll be used by MCU right now. */ |
| memset((void *)SRAM_BASE, 0, SRAM_SIZE); |
| clean_dcache_range(SRAM_BASE, SRAM_SIZE); |
| |
| hikey_boardid_init(); |
| init_acpu_dvfs(); |
| hikey_rtc_init(); |
| hikey_sd_init(); |
| hikey_jumper_init(); |
| |
| hikey_mmc_pll_init(); |
| |
| reset_dwmmc_clk(); |
| memset(¶ms, 0, sizeof(dw_mmc_params_t)); |
| params.reg_base = DWMMC0_BASE; |
| params.desc_base = HIKEY_MMC_DESC_BASE; |
| params.desc_size = 1 << 20; |
| params.clk_rate = 24 * 1000 * 1000; |
| params.bus_width = EMMC_BUS_WIDTH_8; |
| params.flags = EMMC_FLAG_CMD23; |
| dw_mmc_init(¶ms); |
| |
| hikey_io_setup(); |
| } |