arch/powerpc/platforms/86xx/mpc86xx.h


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/*
 * Copyright 2006 Freescale Semiconductor Inc.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#ifndef __MPC86XX_H__
#define __MPC86XX_H__

/*
 * Declaration for the various functions exported by the
 * mpc86xx_* files. Mostly for use by mpc86xx_setup().
 */

extern void mpc86xx_smp_init(void);
extern void mpc86xx_init_irq(void);

#endif	/* __MPC86XX_H__ */

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// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2016 Marvell International Ltd.
 * https://spdx.org/licenses
 */

#include <config.h>
#include <common.h>
#include <command.h>
#include <env.h>
#include <flash.h>
#include <image.h>
#include <net.h>
#include <vsprintf.h>
#include <errno.h>
#include <dm.h>

#include <spi_flash.h>
#include <spi.h>
#include <nand.h>
#include <usb.h>
#include <fs.h>
#include <mmc.h>
#ifdef CONFIG_BLK
#include <blk.h>
#endif
#include <u-boot/sha1.h>
#include <u-boot/sha256.h>

#ifndef CONFIG_SYS_MMC_ENV_DEV
#define CONFIG_SYS_MMC_ENV_DEV	0
#endif

#if defined(CONFIG_ARMADA_8K)
#define MAIN_HDR_MAGIC		0xB105B002

struct mvebu_image_header {
	u32	magic;			/*  0-3  */
	u32	prolog_size;		/*  4-7  */
	u32	prolog_checksum;	/*  8-11 */
	u32	boot_image_size;	/* 12-15 */
	u32	boot_image_checksum;	/* 16-19 */
	u32	rsrvd0;			/* 20-23 */
	u32	load_addr;		/* 24-27 */
	u32	exec_addr;		/* 28-31 */
	u8	uart_cfg;		/*  32   */
	u8	baudrate;		/*  33   */
	u8	ext_count;		/*  34   */
	u8	aux_flags;		/*  35   */
	u32	io_arg_0;		/* 36-39 */
	u32	io_arg_1;		/* 40-43 */
	u32	io_arg_2;		/* 43-47 */
	u32	io_arg_3;		/* 48-51 */
	u32	rsrvd1;			/* 52-55 */
	u32	rsrvd2;			/* 56-59 */
	u32	rsrvd3;			/* 60-63 */
};
#elif defined(CONFIG_ARMADA_3700)	/* A3700 */
#define HASH_SUM_LEN		16
#define IMAGE_VERSION_3_6_0	0x030600
#define IMAGE_VERSION_3_5_0	0x030500

struct common_tim_data {
	u32	version;
	u32	identifier;
	u32	trusted;
	u32	issue_date;
	u32	oem_unique_id;
	u32	reserved[5];		/* Reserve 20 bytes */
	u32	boot_flash_sign;
	u32	num_images;
	u32	num_keys;
	u32	size_of_reserved;
};

struct mvebu_image_info {
	u32	image_id;
	u32	next_image_id;
	u32	flash_entry_addr;
	u32	load_addr;
	u32	image_size;
	u32	image_size_to_hash;
	u32	hash_algorithm_id;
	u32	hash[HASH_SUM_LEN];	/* Reserve 512 bits for the hash */
	u32	partition_number;
	u32	enc_algorithm_id;
	u32	encrypt_start_offset;
	u32	encrypt_size;
};
#endif

/* Structure of the main header, version 1 (Armada 370/38x/XP) */
struct a38x_main_hdr_v1 {
	u8  blockid;               /* 0x0       */
	u8  flags;                 /* 0x1       */
	u16 reserved2;             /* 0x2-0x3   */
	u32 blocksize;             /* 0x4-0x7   */
	u8  version;               /* 0x8       */
	u8  headersz_msb;          /* 0x9       */
	u16 headersz_lsb;          /* 0xA-0xB   */
	u32 srcaddr;               /* 0xC-0xF   */
	u32 destaddr;              /* 0x10-0x13 */
	u32 execaddr;              /* 0x14-0x17 */
	u8  options;               /* 0x18      */
	u8  nandblocksize;         /* 0x19      */
	u8  nandbadblklocation;    /* 0x1A      */
	u8  reserved4;             /* 0x1B      */
	u16 reserved5;             /* 0x1C-0x1D */
	u8  ext;                   /* 0x1E      */
	u8  checksum;              /* 0x1F      */
};

struct a38x_boot_mode {
	unsigned int id;
	const char *name;
};

/* The blockid header field values used to indicate boot device of image */
struct a38x_boot_mode a38x_boot_modes[] = {
	{ 0x4D, "i2c"  },
	{ 0x5A, "spi"  },
	{ 0x69, "uart" },
	{ 0x78, "sata" },
	{ 0x8B, "nand" },
	{ 0x9C, "pex"  },
	{ 0xAE, "mmc"  },
	{},
};

struct bubt_dev {
	char name[8];
	size_t (*read)(const char *file_name);
	int (*write)(size_t image_size);
	int (*active)(void);
};

static ulong get_load_addr(void)
{
	const char *addr_str;
	unsigned long addr;

	addr_str = env_get("loadaddr");
	if (addr_str)
		addr = simple_strtoul(addr_str, NULL, 16);
	else
		addr = CONFIG_SYS_LOAD_ADDR;

	return addr;
}

/********************************************************************
 *     eMMC services
 ********************************************************************/
#if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(MMC_WRITE)
static int mmc_burn_image(size_t image_size)
{
	struct mmc	*mmc;
	lbaint_t	start_lba;
	lbaint_t	blk_count;
	ulong		blk_written;
	int		err;
	const u8	mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
#ifdef CONFIG_BLK
	struct blk_desc *blk_desc;
#endif
	mmc = find_mmc_device(mmc_dev_num);
	if (!mmc) {
		printf("No SD/MMC/eMMC card found\n");
		return -ENOMEDIUM;
	}

	err = mmc_init(mmc);
	if (err) {
		printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
		       mmc_dev_num);
		return err;
	}

#ifdef CONFIG_SYS_MMC_ENV_PART
	if (mmc->part_num != CONFIG_SYS_MMC_ENV_PART) {
		err = mmc_switch_part(mmc_dev_num, CONFIG_SYS_MMC_ENV_PART);
		if (err) {
			printf("MMC partition switch failed\n");
			return err;
		}
	}
#endif

	/* SD reserves LBA-0 for MBR and boots from LBA-1,
	 * MMC/eMMC boots from LBA-0
	 */
	start_lba = IS_SD(mmc) ? 1 : 0;
#ifdef CONFIG_BLK
	blk_count = image_size / mmc->write_bl_len;
	if (image_size % mmc->write_bl_len)
		blk_count += 1;

	blk_desc = mmc_get_blk_desc(mmc);
	if (!blk_desc) {
		printf("Error - failed to obtain block descriptor\n");
		return -ENODEV;
	}
	blk_written = blk_dwrite(blk_desc, start_lba, blk_count,
				 (void *)get_load_addr());
#else
	blk_count = image_size / mmc->block_dev.blksz;
	if (image_size % mmc->block_dev.blksz)
		blk_count += 1;

	blk_written = mmc->block_dev.block_write(mmc_dev_num,
						 start_lba, blk_count,
						 (void *)get_load_addr());
#endif /* CONFIG_BLK */
	if (blk_written != blk_count) {
		printf("Error - written %#lx blocks\n", blk_written);
		return -ENOSPC;
	}
	printf("Done!\n");

#ifdef CONFIG_SYS_MMC_ENV_PART
	if (mmc->part_num != CONFIG_SYS_MMC_ENV_PART)
		mmc_switch_part(mmc_dev_num, mmc->part_num);
#endif

	return 0;
}

static size_t mmc_read_file(const char *file_name)
{
	loff_t		act_read = 0;
	int		rc;
	struct mmc	*mmc;
	const u8	mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;

	mmc = find_mmc_device(mmc_dev_num);
	if (!mmc) {
		printf("No SD/MMC/eMMC card found\n");
		return 0;
	}

	if (mmc_init(mmc)) {
		printf("%s(%d) init failed\n", IS_SD(mmc) ? "SD" : "MMC",
		       mmc_dev_num);
		return 0;
	}

	/* Load from data partition (0) */
	if (fs_set_blk_dev("mmc", "0", FS_TYPE_ANY)) {
		printf("Error: MMC 0 not found\n");
		return 0;
	}

	/* Perfrom file read */
	rc = fs_read(file_name, get_load_addr(), 0, 0, &act_read);
	if (rc)
		return 0;

	return act_read;
}

static int is_mmc_active(void)
{
	return 1;
}
#else /* CONFIG_DM_MMC */
static int mmc_burn_image(size_t image_size)
{
	return -ENODEV;
}

static size_t mmc_read_file(const char *file_name)
{
	return 0;
}

static int is_mmc_active(void)
{
	return 0;
}
#endif /* CONFIG_DM_MMC */

/********************************************************************
 *     SPI services
 ********************************************************************/
#ifdef CONFIG_SPI_FLASH
static int spi_burn_image(size_t image_size)
{
	int ret;
	struct spi_flash *flash;
	u32 erase_bytes;

	/* Probe the SPI bus to get the flash device */
	flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
				CONFIG_ENV_SPI_CS,
				CONFIG_SF_DEFAULT_SPEED,
				CONFIG_SF_DEFAULT_MODE);
	if (!flash) {
		printf("Failed to probe SPI Flash\n");
		return -ENOMEDIUM;
	}

#ifdef CONFIG_SPI_FLASH_PROTECTION
	spi_flash_protect(flash, 0);
#endif
	erase_bytes = image_size +
		(flash->erase_size - image_size % flash->erase_size);
	printf("Erasing %d bytes (%d blocks) at offset 0 ...",
	       erase_bytes, erase_bytes / flash->erase_size);