diff options
Diffstat (limited to 'plat/hisilicon/hikey960/hikey960_bl2_setup.c')
| -rw-r--r-- | plat/hisilicon/hikey960/hikey960_bl2_setup.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/plat/hisilicon/hikey960/hikey960_bl2_setup.c b/plat/hisilicon/hikey960/hikey960_bl2_setup.c new file mode 100644 index 0000000..7334853 --- /dev/null +++ b/plat/hisilicon/hikey960/hikey960_bl2_setup.c @@ -0,0 +1,344 @@ +/* + * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <errno.h> +#include <string.h> + +#include <platform_def.h> + +#include <arch_helpers.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/desc_image_load.h> +#include <drivers/arm/pl011.h> +#include <drivers/delay_timer.h> +#include <drivers/dw_ufs.h> +#include <drivers/generic_delay_timer.h> +#include <drivers/partition/partition.h> +#include <drivers/ufs.h> +#include <lib/mmio.h> +#ifdef SPD_opteed +#include <lib/optee_utils.h> +#endif + +#include <hi3660.h> +#include "hikey960_def.h" +#include "hikey960_private.h" + +#define BL2_RW_BASE (BL_CODE_END) + +/* BL2 platform parameters passed to BL31 */ +static plat_params_from_bl2_t plat_params_from_bl2; + +static meminfo_t bl2_el3_tzram_layout; +static console_t console; +extern int load_lpm3(void); + +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_hikey960_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info) +{ + int i; + int *buf; + + assert(scp_bl2_image_info->image_size < SCP_BL2_SIZE); + + INFO("BL2: Initiating SCP_BL2 transfer to SCP\n"); + + INFO("BL2: SCP_BL2: 0x%lx@0x%x\n", + scp_bl2_image_info->image_base, + scp_bl2_image_info->image_size); + + buf = (int *)scp_bl2_image_info->image_base; + + INFO("BL2: SCP_BL2 HEAD:\n"); + for (i = 0; i < 64; i += 4) + INFO("BL2: SCP_BL2 0x%x 0x%x 0x%x 0x%x\n", + buf[i], buf[i+1], buf[i+2], buf[i+3]); + + buf = (int *)(scp_bl2_image_info->image_base + + scp_bl2_image_info->image_size - 256); + + INFO("BL2: SCP_BL2 TAIL:\n"); + for (i = 0; i < 64; i += 4) + INFO("BL2: SCP_BL2 0x%x 0x%x 0x%x 0x%x\n", + buf[i], buf[i+1], buf[i+2], buf[i+3]); + + INFO("BL2: SCP_BL2 transferred to SCP\n"); + + load_lpm3(); + (void)buf; + + return 0; +} + +static void hikey960_ufs_reset(void) +{ + unsigned int data, mask; + + mmio_write_32(CRG_PERDIS7_REG, 1 << 14); + mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN); + do { + data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG); + } while (data & BIT_SYSCTRL_REF_CLOCK_EN); + /* use abb clk */ + mmio_clrbits_32(UFS_SYS_UFS_SYSCTRL_REG, BIT_UFS_REFCLK_SRC_SE1); + mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_REFCLK_ISO_EN); + mmio_write_32(PCTRL_PERI_CTRL3_REG, (1 << 0) | (1 << 16)); + mdelay(1); + mmio_write_32(CRG_PEREN7_REG, 1 << 14); + mmio_setbits_32(UFS_SYS_PHY_CLK_CTRL_REG, BIT_SYSCTRL_REF_CLOCK_EN); + + mmio_write_32(CRG_PERRSTEN3_REG, PERI_UFS_BIT); + do { + data = mmio_read_32(CRG_PERRSTSTAT3_REG); + } while ((data & PERI_UFS_BIT) == 0); + mmio_setbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_MTCMOS_EN); + mdelay(1); + mmio_setbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_PWR_READY); + mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG, + MASK_UFS_DEVICE_RESET); + /* clear SC_DIV_UFS_PERIBUS */ + mask = SC_DIV_UFS_PERIBUS << 16; + mmio_write_32(CRG_CLKDIV17_REG, mask); + /* set SC_DIV_UFSPHY_CFG(3) */ + mask = SC_DIV_UFSPHY_CFG_MASK << 16; + data = SC_DIV_UFSPHY_CFG(3); + mmio_write_32(CRG_CLKDIV16_REG, mask | data); + data = mmio_read_32(UFS_SYS_PHY_CLK_CTRL_REG); + data &= ~MASK_SYSCTRL_CFG_CLOCK_FREQ; + data |= 0x39; + mmio_write_32(UFS_SYS_PHY_CLK_CTRL_REG, data); + mmio_clrbits_32(UFS_SYS_PHY_CLK_CTRL_REG, MASK_SYSCTRL_REF_CLOCK_SEL); + mmio_setbits_32(UFS_SYS_CLOCK_GATE_BYPASS_REG, + MASK_UFS_CLK_GATE_BYPASS); + mmio_setbits_32(UFS_SYS_UFS_SYSCTRL_REG, MASK_UFS_SYSCTRL_BYPASS); + + mmio_setbits_32(UFS_SYS_PSW_CLK_CTRL_REG, BIT_SYSCTRL_PSW_CLK_EN); + mmio_clrbits_32(UFS_SYS_PSW_POWER_CTRL_REG, BIT_UFS_PSW_ISO_CTRL); + mmio_clrbits_32(UFS_SYS_PHY_ISO_EN_REG, BIT_UFS_PHY_ISO_CTRL); + mmio_clrbits_32(UFS_SYS_HC_LP_CTRL_REG, BIT_SYSCTRL_LP_ISOL_EN); + mmio_write_32(CRG_PERRSTDIS3_REG, PERI_ARST_UFS_BIT); + mmio_setbits_32(UFS_SYS_RESET_CTRL_EN_REG, BIT_SYSCTRL_LP_RESET_N); + mdelay(1); + mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG, + MASK_UFS_DEVICE_RESET | BIT_UFS_DEVICE_RESET); + mdelay(20); + mmio_write_32(UFS_SYS_UFS_DEVICE_RESET_CTRL_REG, + 0x03300330); + + mmio_write_32(CRG_PERRSTDIS3_REG, PERI_UFS_BIT); + do { + data = mmio_read_32(CRG_PERRSTSTAT3_REG); + } while (data & PERI_UFS_BIT); +} + +static void hikey960_init_ufs(void) +{ + dw_ufs_params_t ufs_params; + + memset(&ufs_params, 0, sizeof(ufs_params_t)); + ufs_params.reg_base = UFS_REG_BASE; + ufs_params.desc_base = HIKEY960_UFS_DESC_BASE; + ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE; + hikey960_ufs_reset(); + dw_ufs_init(&ufs_params); +} + +/******************************************************************************* + * Gets SPSR for BL32 entry + ******************************************************************************/ +uint32_t hikey960_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 + ******************************************************************************/ +#ifdef __aarch64__ +uint32_t hikey960_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) != EL_IMPL_NONE) ? 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 hikey960_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 /* __aarch64__ */ + +int hikey960_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) { + case BL31_IMAGE_ID: + /* Pass BL2 platform parameter to BL31 */ + bl_mem_params->ep_info.args.arg1 = (uint64_t) &plat_params_from_bl2; + break; + +#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 = hikey960_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 = hikey960_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_hikey960_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_pre_image_load(unsigned int image_id) +{ + return hikey960_set_fip_addr(image_id, "fip"); +} + +int bl2_plat_handle_post_image_load(unsigned int image_id) +{ + return hikey960_bl2_handle_post_image_load(image_id); +} + +void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2, + u_register_t arg3, u_register_t arg4) +{ + unsigned int id, uart_base; + + generic_delay_timer_init(); + hikey960_read_boardid(&id); + if (id == 5300) + uart_base = PL011_UART5_BASE; + else + uart_base = PL011_UART6_BASE; + /* Initialize the console to provide early debug support */ + console_pl011_register(uart_base, PL011_UART_CLK_IN_HZ, + PL011_BAUDRATE, &console); + /* + * 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) +{ + hikey960_init_mmu_el3(bl2_el3_tzram_layout.total_base, + bl2_el3_tzram_layout.total_size, + BL_CODE_BASE, + BL_CODE_END, + BL_COHERENT_RAM_BASE, + BL_COHERENT_RAM_END); +} + +void bl2_platform_setup(void) +{ + int ret; + + /* disable WDT0 */ + if (mmio_read_32(WDT0_REG_BASE + WDT_LOCK_OFFSET) == WDT_LOCKED) { + mmio_write_32(WDT0_REG_BASE + WDT_LOCK_OFFSET, WDT_UNLOCK); + mmio_write_32(WDT0_REG_BASE + WDT_CONTROL_OFFSET, 0); + mmio_write_32(WDT0_REG_BASE + WDT_LOCK_OFFSET, 0); + } + hikey960_clk_init(); + hikey960_pmu_init(); + hikey960_regulator_enable(); + hikey960_tzc_init(); + hikey960_peri_init(); + hikey960_pinmux_init(); + hikey960_gpio_init(); + hikey960_init_ufs(); + hikey960_io_setup(); + + /* Read serial number from storage */ + plat_params_from_bl2.fastboot_serno = 0; + ret = hikey960_load_serialno(&plat_params_from_bl2.fastboot_serno); + if (ret != 0) { + ERROR("BL2: could not read serial number\n"); + } + INFO("BL2: fastboot_serno %lx\n", plat_params_from_bl2.fastboot_serno); + flush_dcache_range((uintptr_t)&plat_params_from_bl2, sizeof(plat_params_from_bl2_t)); +} |