/******************************************************************************* * Perform any BL3-1 early platform setup. Here is an opportunity to copy * parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before they * are lost (potentially). This needs to be done before the MMU is initialized * so that the memory layout can be used while creating page tables. * BL2 has flushed this information to memory, so we are guaranteed to pick up * good data. ******************************************************************************/ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3) { static console_16550_t console; struct rockchip_bl31_params *arg_from_bl2 = (struct rockchip_bl31_params *) arg0; void *plat_params_from_bl2 = (void *) arg1; params_early_setup(plat_params_from_bl2); #if COREBOOT if (coreboot_serial.type) console_16550_register(coreboot_serial.baseaddr, coreboot_serial.input_hertz, coreboot_serial.baud, &console); #else console_16550_register(PLAT_RK_UART_BASE, PLAT_RK_UART_CLOCK, PLAT_RK_UART_BAUDRATE, &console); #endif VERBOSE("bl31_setup\n"); /* Passing a NULL context is a critical programming error */ assert(arg_from_bl2); assert(arg_from_bl2->h.type == PARAM_BL31); assert(arg_from_bl2->h.version >= VERSION_1); bl32_ep_info = *arg_from_bl2->bl32_ep_info; bl33_ep_info = *arg_from_bl2->bl33_ep_info; }
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3) { /* Initialize the debug console as soon as possible */ console_16550_register(SUNXI_UART0_BASE, SUNXI_UART0_CLK_IN_HZ, SUNXI_UART0_BAUDRATE, &console); #ifdef BL32_BASE /* Populate entry point information for BL32 */ SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0); SET_SECURITY_STATE(bl32_image_ep_info.h.attr, SECURE); bl32_image_ep_info.pc = BL32_BASE; #endif /* Populate entry point information for BL33 */ SET_PARAM_HEAD(&bl33_image_ep_info, PARAM_EP, VERSION_1, 0); /* * Tell BL31 where the non-trusted software image * is located and the entry state information */ bl33_image_ep_info.pc = plat_get_ns_image_entrypoint(); bl33_image_ep_info.spsr = SPSR_64(MODE_EL2, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); /* Turn off all secondary CPUs */ sunxi_disable_secondary_cpus(plat_my_core_pos()); }
void bl31_console_setup(void) { static console_16550_t console; /* Initialize the console to provide early debug support */ console_16550_register(K3_USART_BASE, K3_USART_CLK_SPEED, K3_USART_BAUD, &console); }