bl2_plat_setup.c

#include <assert.h>
#include <bl2_boot_dev.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <common/desc_image_load.h>
#include <common/tbbr/tbbr_img_def.h>
#include <common/image_decompress.h>
#include <drivers/generic_delay_timer.h>
#include <drivers/io/io_block.h>
#include <drivers/io/io_fip.h>
#include <hsuart.h>
#include <emi.h>
#include <lib/mmio.h>
#include <pinctrl.h>
#include <plat/common/common_def.h>
#include <plat/common/platform.h>
#include <pll.h>
#include <pmic.h>
#include <pmic_wrap_init.h>
#include <cpuxgpt.h>
#include <tools_share/firmware_image_package.h>
#include <tf_unxz.h>

static bl_mem_params_node_t bl2_mem_params_descs[] = {
	/* Fill BL31 related information */
	{
		.image_id = BL31_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
				      entry_point_info_t,
				      SECURE | EXECUTABLE | EP_FIRST_EXE),
		.ep_info.pc = BL31_BASE,
		.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
				DISABLE_ALL_EXCEPTIONS),

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
				      image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
		.image_info.image_base = BL31_BASE,
		.image_info.image_max_size = BL31_LIMIT - BL31_BASE,

#ifdef NEED_BL32
		.next_handoff_image_id = BL32_IMAGE_ID,
#else
		.next_handoff_image_id = BL33_IMAGE_ID,
#endif
	},
#ifdef NEED_BL32
	/* Fill BL32 related information */
	{
		.image_id = BL32_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
				      entry_point_info_t, SECURE | EXECUTABLE),
		.ep_info.pc = BL32_BASE,

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
				      image_info_t, 0),
		.image_info.image_base = BL32_BASE - BL32_HEADER_SIZE,
		.image_info.image_max_size = BL32_LIMIT - BL32_BASE,

		.next_handoff_image_id = BL33_IMAGE_ID,
	},
#endif
	/* Fill BL33 related information */
	{
		.image_id = BL33_IMAGE_ID,
		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, VERSION_2,
				      entry_point_info_t,
				      NON_SECURE | EXECUTABLE),
		.ep_info.pc = BL33_BASE,
		.ep_info.spsr = SPSR_64(MODE_EL2, MODE_SP_ELX,
					DISABLE_ALL_EXCEPTIONS),

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, VERSION_2,
				      image_info_t, 0),
		.image_info.image_base = BL33_BASE,
		.image_info.image_max_size = 0x200000 /* 2MB */,

		.next_handoff_image_id = INVALID_IMAGE_ID,
	}
};

REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)

struct plat_io_policy {
	uintptr_t *dev_handle;
	uintptr_t image_spec;
	int (*check)(const uintptr_t spec);
};

static uintptr_t boot_dev_handle;
static const io_dev_connector_t *boot_dev_con;
static const io_dev_connector_t *fip_dev_con;
static uintptr_t fip_dev_handle;

static int check_boot_dev(const uintptr_t spec)
{
	int result;
	uintptr_t local_handle;

	result = io_dev_init(boot_dev_handle, (uintptr_t)NULL);
	if (result == 0) {
		result = io_open(boot_dev_handle, spec, &local_handle);
		if (result == 0)
			io_close(local_handle);
	}
	return result;
}

static int check_fip(const uintptr_t spec)
{
	int result;
	uintptr_t local_image_handle;

	/* See if a Firmware Image Package is available */
	result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID);
	if (result == 0) {
		result = io_open(fip_dev_handle, spec, &local_image_handle);
		if (result == 0) {
			VERBOSE("Using FIP\n");
			io_close(local_image_handle);
		}
	}
	return result;
}

static const io_uuid_spec_t bl31_uuid_spec = {
	.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
};

static const io_uuid_spec_t bl32_uuid_spec = {
	.uuid = UUID_SECURE_PAYLOAD_BL32,
};

static const io_uuid_spec_t bl33_uuid_spec = {
	.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
};

#if TRUSTED_BOARD_BOOT
static const io_uuid_spec_t trusted_key_cert_uuid_spec = {
	.uuid = UUID_TRUSTED_KEY_CERT,
};

static const io_uuid_spec_t scp_fw_key_cert_uuid_spec = {
	.uuid = UUID_SCP_FW_KEY_CERT,
};

static const io_uuid_spec_t soc_fw_key_cert_uuid_spec = {
	.uuid = UUID_SOC_FW_KEY_CERT,
};

static const io_uuid_spec_t tos_fw_key_cert_uuid_spec = {
	.uuid = UUID_TRUSTED_OS_FW_KEY_CERT,
};

static const io_uuid_spec_t nt_fw_key_cert_uuid_spec = {
	.uuid = UUID_NON_TRUSTED_FW_KEY_CERT,
};

static const io_uuid_spec_t scp_fw_cert_uuid_spec = {
	.uuid = UUID_SCP_FW_CONTENT_CERT,
};

static const io_uuid_spec_t soc_fw_cert_uuid_spec = {
	.uuid = UUID_SOC_FW_CONTENT_CERT,
};

static const io_uuid_spec_t tos_fw_cert_uuid_spec = {
	.uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT,
};

static const io_uuid_spec_t nt_fw_cert_uuid_spec = {
	.uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT,
};
#endif /* TRUSTED_BOARD_BOOT */

static const struct plat_io_policy policies[] = {
	[FIP_IMAGE_ID] = {
		&boot_dev_handle,
		(uintptr_t)&mtk_boot_dev_fip_spec,
		check_boot_dev
	},
	[BL31_IMAGE_ID] = {
		&fip_dev_handle,
		(uintptr_t)&bl31_uuid_spec,
		check_fip
	},
	[BL32_IMAGE_ID] = {
		&fip_dev_handle,
		(uintptr_t)&bl32_uuid_spec,
		check_fip
	},
	[BL33_IMAGE_ID] = {
		&fip_dev_handle,
		(uintptr_t)&bl33_uuid_spec,
		check_fip
	},
#ifdef MSDC_INDEX
	[GPT_IMAGE_ID] = {
		.dev_handle = &boot_dev_handle,
		.image_spec = (uintptr_t)&mtk_boot_dev_gpt_spec,
		.check = check_boot_dev
	},
#endif
#if TRUSTED_BOARD_BOOT
	[TRUSTED_KEY_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&trusted_key_cert_uuid_spec,
		check_fip
	},
	[SCP_FW_KEY_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&scp_fw_key_cert_uuid_spec,
		check_fip
	},
	[SOC_FW_KEY_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&soc_fw_key_cert_uuid_spec,
		check_fip
	},
	[TRUSTED_OS_FW_KEY_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&tos_fw_key_cert_uuid_spec,
		check_fip
	},
	[NON_TRUSTED_FW_KEY_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&nt_fw_key_cert_uuid_spec,
		check_fip
	},
	[SCP_FW_CONTENT_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&scp_fw_cert_uuid_spec,
		check_fip
	},
	[SOC_FW_CONTENT_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&soc_fw_cert_uuid_spec,
		check_fip
	},
	[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&tos_fw_cert_uuid_spec,
		check_fip
	},
	[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
		&fip_dev_handle,
		(uintptr_t)&nt_fw_cert_uuid_spec,
		check_fip
	},
#endif /* TRUSTED_BOARD_BOOT */
};

static void mtk_io_setup(void)
{
	int result;

	mtk_boot_dev_setup(&boot_dev_con, &boot_dev_handle);

	result = register_io_dev_fip(&fip_dev_con);
	assert(result == 0);

	result = io_dev_open(fip_dev_con, (uintptr_t)NULL, &fip_dev_handle);
	assert(result == 0);

	/* Ignore improbable errors in release builds */
	(void)result;
}

static void mtk_wdt_init(void)
{
	mmio_write_32(MTK_WDT_BASE, MTK_WDT_MODE_KEY);
}

void bl2_platform_setup(void)
{
	plat_mt_cpuxgpt_init();
	generic_delay_timer_init();

	mtk_pin_init();
#ifndef USING_BL2PL
	mtk_pll_init();
#endif
	mtk_pwrap_init();
	mtk_pmic_init();
	mtk_mem_init();
	mtk_wdt_init();

	mtk_io_setup();
}

static struct image_info *get_image_info(unsigned int image_id)
{
	struct bl_mem_params_node *desc;

	desc = get_bl_mem_params_node(image_id);
	if (!desc)
		return NULL;

	return &desc->image_info;
}

void bl2_plat_preload_setup(void)
{
	image_decompress_init(FIP_DECOMP_TEMP_BASE, FIP_DECOMP_TEMP_SIZE, unxz);
}

int bl2_plat_handle_pre_image_load(unsigned int image_id)
{
	struct image_info *image_info;

	image_info = get_image_info(image_id);
	if (!image_info)
		return -ENODEV;

	image_decompress_prepare(image_info);

	return 0;
}

int bl2_plat_handle_post_image_load(unsigned int image_id)
{
	struct image_info *image_info = get_image_info(image_id);
	int ret;

	if (!(image_info->h.attr & IMAGE_ATTRIB_SKIP_LOADING)) {
		ret = image_decompress(image_info);
		if (ret)
			return ret;
	}

	return 0;
}

struct bl_load_info *plat_get_bl_image_load_info(void)
{
	return get_bl_load_info_from_mem_params_desc();
}

struct bl_params *plat_get_next_bl_params(void)
{
	return get_next_bl_params_from_mem_params_desc();
}

void plat_flush_next_bl_params(void)
{
	flush_bl_params_desc();
}

int plat_get_image_source(unsigned int image_id,
			  uintptr_t *dev_handle,
			  uintptr_t *image_spec)
{
	const struct plat_io_policy *policy;

	assert(image_id < ARRAY_SIZE(policies));

	policy = &policies[image_id];
	policy->check(policy->image_spec);

	*image_spec = policy->image_spec;
	*dev_handle = *policy->dev_handle;

	return 0;
}

void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
				  u_register_t arg2, u_register_t arg3)
{
	static console_t console;

	console_hsuart_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, true,
				&console);
}

void bl2_el3_plat_arch_setup(void)
{
}

bool plat_is_my_cpu_primary(void)
{
	return true;
}

void platform_mem_init(void)
{
}