/*******************************************************************************
 * 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());
}
Esempio n. 3
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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);
}