arch/arm/mach-omap2/boot-common.c - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * boot-common.c
  *
  * Common bootmode functions for omap based boards
  *
  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
  */

 #include <common.h>
 #include <ahci.h>
 #include <log.h>
 #include <dm/uclass.h>
 #include <fs_loader.h>
 #include <spl.h>
 #include <asm/global_data.h>
 #include <asm/omap_common.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <watchdog.h>
 #include <scsi.h>
 #include <i2c.h>
 #include <remoteproc.h>

 DECLARE_GLOBAL_DATA_PTR;

 #define IPU1_LOAD_ADDR         (0xa17ff000)
 #define MAX_REMOTECORE_BIN_SIZE (8 * 0x100000)
 #define IPU2_LOAD_ADDR         (IPU1_LOAD_ADDR + MAX_REMOTECORE_BIN_SIZE)

 __weak u32 omap_sys_boot_device(void)
 {
 	return BOOT_DEVICE_NONE;
 }

 void save_omap_boot_params(void)
 {
 	u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
 	struct omap_boot_parameters *omap_boot_params;
 	int sys_boot_device = 0;
 	u32 boot_device;
 	u32 boot_mode;

 	if ((boot_params < NON_SECURE_SRAM_START) ||
 	    (boot_params > NON_SECURE_SRAM_END))
 		return;

 	omap_boot_params = (struct omap_boot_parameters *)boot_params;

 	boot_device = omap_boot_params->boot_device;
 	boot_mode = MMCSD_MODE_UNDEFINED;

 	/* Boot device */

 #ifdef BOOT_DEVICE_NAND_I2C
 	/*
 	 * Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
 	 * Otherwise the SPL boot IF can't handle this device correctly.
 	 * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
 	 * Draco leads to this boot-device passed to SPL from the BootROM.
 	 */
 	if (boot_device == BOOT_DEVICE_NAND_I2C)
 		boot_device = BOOT_DEVICE_NAND;
 #endif
 #ifdef BOOT_DEVICE_QSPI_4
 	/*
 	 * We get different values for QSPI_1 and QSPI_4 being used, but
 	 * don't actually care about this difference.  Rather than
 	 * mangle the later code, if we're coming in as QSPI_4 just
 	 * change to the QSPI_1 value.
 	 */
 	if (boot_device == BOOT_DEVICE_QSPI_4)
 		boot_device = BOOT_DEVICE_SPI;
 #endif
 #ifdef CONFIG_TI816X
 	/*
 	 * On PG2.0 and later TI816x the values we get when booting are not the
 	 * same as on PG1.0, which is what the defines are based on.  Update
 	 * them as needed.
 	 */
 	if (get_cpu_rev() != 1) {
 		if (boot_device == 0x05) {
 			omap_boot_params->boot_device = BOOT_DEVICE_NAND;
 			boot_device = BOOT_DEVICE_NAND;
 		}
 		if (boot_device == 0x08) {
 			omap_boot_params->boot_device = BOOT_DEVICE_MMC1;
 			boot_device = BOOT_DEVICE_MMC1;
 		}
 	}
 #endif
 	/*
 	 * When booting from peripheral booting, the boot device is not usable
 	 * as-is (unless there is support for it), so the boot device is instead
 	 * figured out using the SYS_BOOT pins.
 	 */
 	switch (boot_device) {
 #if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
 		case BOOT_DEVICE_UART:
 			sys_boot_device = 1;
 			break;
 #endif
 #if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_STORAGE)
 		case BOOT_DEVICE_USB:
 			sys_boot_device = 1;
 			break;
 #endif
 #if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USB_ETHER)
 		case BOOT_DEVICE_USBETH:
 			sys_boot_device = 1;
 			break;
 #endif
 #if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH)
 		case BOOT_DEVICE_CPGMAC:
 			sys_boot_device = 1;
 			break;
 #endif
 #if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU)
 		case BOOT_DEVICE_DFU:
 			sys_boot_device = 1;
 			break;
 #endif
 	}

 	if (sys_boot_device) {
 		boot_device = omap_sys_boot_device();

 		/* MMC raw mode will fallback to FS mode. */
 		if ((boot_device >= MMC_BOOT_DEVICES_START) &&
 		    (boot_device <= MMC_BOOT_DEVICES_END))
 			boot_mode = MMCSD_MODE_RAW;
 	}

 	gd->arch.omap_boot_device = boot_device;

 	/* Boot mode */

 #ifdef CONFIG_OMAP34XX
 	if ((boot_device >= MMC_BOOT_DEVICES_START) &&
 	    (boot_device <= MMC_BOOT_DEVICES_END)) {
 		switch (boot_device) {
 		case BOOT_DEVICE_MMC1:
 			boot_mode = MMCSD_MODE_FS;
 			break;
 		case BOOT_DEVICE_MMC2:
 			boot_mode = MMCSD_MODE_RAW;
 			break;
 		}
 	}
 #else
 	/*
 	 * If the boot device was dynamically changed and doesn't match what
 	 * the bootrom initially booted, we cannot use the boot device
 	 * descriptor to figure out the boot mode.
 	 */
 	if ((boot_device == omap_boot_params->boot_device) &&
 	    (boot_device >= MMC_BOOT_DEVICES_START) &&
 	    (boot_device <= MMC_BOOT_DEVICES_END)) {
 		boot_params = omap_boot_params->boot_device_descriptor;
 		if ((boot_params < NON_SECURE_SRAM_START) ||
 		    (boot_params > NON_SECURE_SRAM_END))
 			return;

 		boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET));
 		if ((boot_params < NON_SECURE_SRAM_START) ||
 		    (boot_params > NON_SECURE_SRAM_END))
 			return;

 		boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET));

 		if (boot_mode != MMCSD_MODE_FS &&
 		    boot_mode != MMCSD_MODE_RAW)
 #ifdef CONFIG_SUPPORT_EMMC_BOOT
 			boot_mode = MMCSD_MODE_EMMCBOOT;
 #else
 			boot_mode = MMCSD_MODE_UNDEFINED;
 #endif
 	}
 #endif

 	gd->arch.omap_boot_mode = boot_mode;

 #if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
     !defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)

 	/* CH flags */

 	gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
 #endif
 }

 #ifdef CONFIG_SPL_BUILD
 u32 spl_boot_device(void)
 {
 	return gd->arch.omap_boot_device;
 }

 u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
 {
 	return gd->arch.omap_boot_mode;
 }

 int load_firmware(char *name_fw, u32 *loadaddr)
 {
 	struct udevice *fsdev;
 	int size = 0;

 	if (!IS_ENABLED(CONFIG_FS_LOADER))
 		return 0;

 	if (!*loadaddr)
 		return 0;

 	if (!uclass_get_device(UCLASS_FS_FIRMWARE_LOADER, 0, &fsdev)) {
 		size = request_firmware_into_buf(fsdev, name_fw,
 						 (void *)*loadaddr, 0, 0);
 	}

 	return size;
 }

 void spl_boot_ipu(void)
 {
 	int ret, size;
 	u32 loadaddr = IPU1_LOAD_ADDR;

 	if (!IS_ENABLED(CONFIG_SPL_BUILD) ||
 	    !IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
 		return;

 	size = load_firmware("dra7-ipu1-fw.xem4", &loadaddr);
 	if (size <= 0) {
 		pr_err("Firmware loading failed\n");
 		goto skip_ipu1;
 	}

 	enable_ipu1_clocks();
 	ret = rproc_dev_init(0);
 	if (ret) {
 		debug("%s: IPU1 failed to initialize on rproc (%d)\n",
 		      __func__, ret);
 		goto skip_ipu1;
 	}

 	ret = rproc_load(0, IPU1_LOAD_ADDR, 0x2000000);
 	if (ret) {
 		debug("%s: IPU1 failed to load on rproc (%d)\n", __func__,
 		      ret);
 		goto skip_ipu1;
 	}

 	debug("Starting IPU1...\n");

 	ret = rproc_start(0);
 	if (ret)
 		debug("%s: IPU1 failed to start (%d)\n", __func__, ret);

 skip_ipu1:
 	loadaddr = IPU2_LOAD_ADDR;
 	size = load_firmware("dra7-ipu2-fw.xem4", &loadaddr);
 	if (size <= 0) {
 		pr_err("Firmware loading failed for ipu2\n");
 		return;
 	}

 	enable_ipu2_clocks();
 	ret = rproc_dev_init(1);
 	if (ret) {
 		debug("%s: IPU2 failed to initialize on rproc (%d)\n", __func__,
 		      ret);
 		return;
 	}

 	ret = rproc_load(1, IPU2_LOAD_ADDR, 0x2000000);
 	if (ret) {
 		debug("%s: IPU2 failed to load on rproc (%d)\n", __func__,
 		      ret);
 		return;
 	}

 	debug("Starting IPU2...\n");

 	ret = rproc_start(1);
 	if (ret)
 		debug("%s: IPU2 failed to start (%d)\n", __func__, ret);
 }

 void spl_board_init(void)
 {
 	/* Prepare console output */
 	preloader_console_init();

 #if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
 	gpmc_init();
 #endif
 #if defined(CONFIG_SPL_I2C) && !CONFIG_IS_ENABLED(DM_I2C)
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 #endif
 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW)
 	arch_misc_init();
 #endif
 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 	hw_watchdog_init();
 #endif
 #ifdef CONFIG_AM33XX
 	am33xx_spl_board_init();
 #endif
 	if (IS_ENABLED(CONFIG_SPL_BUILD) &&
 	    IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
 		spl_boot_ipu();
 }

 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 {
 	typedef void __noreturn (*image_entry_noargs_t)(u32 *);
 	image_entry_noargs_t image_entry =
 			(image_entry_noargs_t) spl_image->entry_point;

 	u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);

 	debug("image entry point: 0x%lX\n", spl_image->entry_point);
 	/* Pass the saved boot_params from rom code */
 	image_entry((u32 *)boot_params);
 }
 #endif

 #ifdef CONFIG_SCSI_AHCI_PLAT
 void arch_preboot_os(void)
 {
 	ahci_reset((void __iomem *)DWC_AHSATA_BASE);
 }
 #endif
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* boot-common.c
	*
	* Common bootmode functions for omap based boards
	*
	* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
	*/

	#include <common.h>
	#include <ahci.h>
	#include <log.h>
	#include <dm/uclass.h>
	#include <fs_loader.h>
	#include <spl.h>
	#include <asm/global_data.h>
	#include <asm/omap_common.h>
	#include <asm/arch/omap.h>
	#include <asm/arch/mmc_host_def.h>
	#include <asm/arch/sys_proto.h>
	#include <watchdog.h>
	#include <scsi.h>
	#include <i2c.h>
	#include <remoteproc.h>

	DECLARE_GLOBAL_DATA_PTR;

	#define IPU1_LOAD_ADDR (0xa17ff000)
	#define MAX_REMOTECORE_BIN_SIZE (8 * 0x100000)
	#define IPU2_LOAD_ADDR (IPU1_LOAD_ADDR + MAX_REMOTECORE_BIN_SIZE)

	__weak u32 omap_sys_boot_device(void)
	{
	return BOOT_DEVICE_NONE;
	}

	void save_omap_boot_params(void)
	{
	u32 boot_params = ((u32 )OMAP_SRAM_SCRATCH_BOOT_PARAMS);
	struct omap_boot_parameters *omap_boot_params;
	int sys_boot_device = 0;
	u32 boot_device;
	u32 boot_mode;

	if ((boot_params < NON_SECURE_SRAM_START) \|\|
	(boot_params > NON_SECURE_SRAM_END))
	return;

	omap_boot_params = (struct omap_boot_parameters *)boot_params;

	boot_device = omap_boot_params->boot_device;
	boot_mode = MMCSD_MODE_UNDEFINED;

	/* Boot device */

	#ifdef BOOT_DEVICE_NAND_I2C
	/*
	* Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
	* Otherwise the SPL boot IF can't handle this device correctly.
	* Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
	* Draco leads to this boot-device passed to SPL from the BootROM.
	*/
	if (boot_device == BOOT_DEVICE_NAND_I2C)
	boot_device = BOOT_DEVICE_NAND;
	#endif
	#ifdef BOOT_DEVICE_QSPI_4
	/*
	* We get different values for QSPI_1 and QSPI_4 being used, but
	* don't actually care about this difference. Rather than
	* mangle the later code, if we're coming in as QSPI_4 just
	* change to the QSPI_1 value.
	*/
	if (boot_device == BOOT_DEVICE_QSPI_4)
	boot_device = BOOT_DEVICE_SPI;
	#endif
	#ifdef CONFIG_TI816X
	/*
	* On PG2.0 and later TI816x the values we get when booting are not the
	* same as on PG1.0, which is what the defines are based on. Update
	* them as needed.
	*/
	if (get_cpu_rev() != 1) {
	if (boot_device == 0x05) {
	omap_boot_params->boot_device = BOOT_DEVICE_NAND;
	boot_device = BOOT_DEVICE_NAND;
	}
	if (boot_device == 0x08) {
	omap_boot_params->boot_device = BOOT_DEVICE_MMC1;
	boot_device = BOOT_DEVICE_MMC1;
	}
	}
	#endif
	/*
	* When booting from peripheral booting, the boot device is not usable
	* as-is (unless there is support for it), so the boot device is instead
	* figured out using the SYS_BOOT pins.
	*/
	switch (boot_device) {
	#if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
	case BOOT_DEVICE_UART:
	sys_boot_device = 1;
	break;
	#endif
	#if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_STORAGE)
	case BOOT_DEVICE_USB:
	sys_boot_device = 1;
	break;
	#endif
	#if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USB_ETHER)
	case BOOT_DEVICE_USBETH:
	sys_boot_device = 1;
	break;
	#endif
	#if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH)
	case BOOT_DEVICE_CPGMAC:
	sys_boot_device = 1;
	break;
	#endif
	#if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU)
	case BOOT_DEVICE_DFU:
	sys_boot_device = 1;
	break;
	#endif
	}

	if (sys_boot_device) {
	boot_device = omap_sys_boot_device();

	/* MMC raw mode will fallback to FS mode. */
	if ((boot_device >= MMC_BOOT_DEVICES_START) &&
	(boot_device <= MMC_BOOT_DEVICES_END))
	boot_mode = MMCSD_MODE_RAW;
	}

	gd->arch.omap_boot_device = boot_device;

	/* Boot mode */

	#ifdef CONFIG_OMAP34XX
	if ((boot_device >= MMC_BOOT_DEVICES_START) &&
	(boot_device <= MMC_BOOT_DEVICES_END)) {
	switch (boot_device) {
	case BOOT_DEVICE_MMC1:
	boot_mode = MMCSD_MODE_FS;
	break;
	case BOOT_DEVICE_MMC2:
	boot_mode = MMCSD_MODE_RAW;
	break;
	}
	}
	#else
	/*
	* If the boot device was dynamically changed and doesn't match what
	* the bootrom initially booted, we cannot use the boot device
	* descriptor to figure out the boot mode.
	*/
	if ((boot_device == omap_boot_params->boot_device) &&
	(boot_device >= MMC_BOOT_DEVICES_START) &&
	(boot_device <= MMC_BOOT_DEVICES_END)) {
	boot_params = omap_boot_params->boot_device_descriptor;
	if ((boot_params < NON_SECURE_SRAM_START) \|\|
	(boot_params > NON_SECURE_SRAM_END))
	return;

	boot_params = ((u32 )(boot_params + DEVICE_DATA_OFFSET));
	if ((boot_params < NON_SECURE_SRAM_START) \|\|
	(boot_params > NON_SECURE_SRAM_END))
	return;

	boot_mode = ((u32 )(boot_params + BOOT_MODE_OFFSET));

	if (boot_mode != MMCSD_MODE_FS &&
	boot_mode != MMCSD_MODE_RAW)
	#ifdef CONFIG_SUPPORT_EMMC_BOOT
	boot_mode = MMCSD_MODE_EMMCBOOT;
	#else
	boot_mode = MMCSD_MODE_UNDEFINED;
	#endif
	}
	#endif

	gd->arch.omap_boot_mode = boot_mode;

	#if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
	!defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)

	/* CH flags */

	gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
	#endif
	}

	#ifdef CONFIG_SPL_BUILD
	u32 spl_boot_device(void)
	{
	return gd->arch.omap_boot_device;
	}

	u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
	{
	return gd->arch.omap_boot_mode;
	}

	int load_firmware(char name_fw, u32 loadaddr)
	{
	struct udevice *fsdev;
	int size = 0;

	if (!IS_ENABLED(CONFIG_FS_LOADER))
	return 0;

	if (!*loadaddr)
	return 0;

	if (!uclass_get_device(UCLASS_FS_FIRMWARE_LOADER, 0, &fsdev)) {
	size = request_firmware_into_buf(fsdev, name_fw,
	(void )loadaddr, 0, 0);
	}

	return size;
	}

	void spl_boot_ipu(void)
	{
	int ret, size;
	u32 loadaddr = IPU1_LOAD_ADDR;

	if (!IS_ENABLED(CONFIG_SPL_BUILD) \|\|
	!IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
	return;

	size = load_firmware("dra7-ipu1-fw.xem4", &loadaddr);
	if (size <= 0) {
	pr_err("Firmware loading failed\n");
	goto skip_ipu1;
	}

	enable_ipu1_clocks();
	ret = rproc_dev_init(0);
	if (ret) {
	debug("%s: IPU1 failed to initialize on rproc (%d)\n",
	__func__, ret);
	goto skip_ipu1;
	}

	ret = rproc_load(0, IPU1_LOAD_ADDR, 0x2000000);
	if (ret) {
	debug("%s: IPU1 failed to load on rproc (%d)\n", __func__,
	ret);
	goto skip_ipu1;
	}

	debug("Starting IPU1...\n");

	ret = rproc_start(0);
	if (ret)
	debug("%s: IPU1 failed to start (%d)\n", __func__, ret);

	skip_ipu1:
	loadaddr = IPU2_LOAD_ADDR;
	size = load_firmware("dra7-ipu2-fw.xem4", &loadaddr);
	if (size <= 0) {
	pr_err("Firmware loading failed for ipu2\n");
	return;
	}

	enable_ipu2_clocks();
	ret = rproc_dev_init(1);
	if (ret) {
	debug("%s: IPU2 failed to initialize on rproc (%d)\n", __func__,
	ret);
	return;
	}

	ret = rproc_load(1, IPU2_LOAD_ADDR, 0x2000000);
	if (ret) {
	debug("%s: IPU2 failed to load on rproc (%d)\n", __func__,
	ret);
	return;
	}

	debug("Starting IPU2...\n");

	ret = rproc_start(1);
	if (ret)
	debug("%s: IPU2 failed to start (%d)\n", __func__, ret);
	}

	void spl_board_init(void)
	{
	/* Prepare console output */
	preloader_console_init();

	#if defined(CONFIG_SPL_NAND_SUPPORT) \|\| defined(CONFIG_SPL_ONENAND_SUPPORT)
	gpmc_init();
	#endif
	#if defined(CONFIG_SPL_I2C) && !CONFIG_IS_ENABLED(DM_I2C)
	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
	#endif
	#if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW)
	arch_misc_init();
	#endif
	#if defined(CONFIG_HW_WATCHDOG) \|\| defined(CONFIG_WATCHDOG)
	hw_watchdog_init();
	#endif
	#ifdef CONFIG_AM33XX
	am33xx_spl_board_init();
	#endif
	if (IS_ENABLED(CONFIG_SPL_BUILD) &&
	IS_ENABLED(CONFIG_REMOTEPROC_TI_IPU))
	spl_boot_ipu();
	}

	void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
	{
	typedef void __noreturn (image_entry_noargs_t)(u32 );
	image_entry_noargs_t image_entry =
	(image_entry_noargs_t) spl_image->entry_point;

	u32 boot_params = ((u32 )OMAP_SRAM_SCRATCH_BOOT_PARAMS);

	debug("image entry point: 0x%lX\n", spl_image->entry_point);
	/* Pass the saved boot_params from rom code */
	image_entry((u32 *)boot_params);
	}
	#endif

	#ifdef CONFIG_SCSI_AHCI_PLAT
	void arch_preboot_os(void)
	{
	ahci_reset((void __iomem *)DWC_AHSATA_BASE);
	}
	#endif