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authorHakim Giydan <hgiydan@marvell.com>2016-09-08 10:47:55 -0700
committerMartin Roth <martinroth@google.com>2016-09-13 16:57:23 +0200
commit93e6f1a917b6b17c6e62ad0fff1699416ab00d29 (patch)
tree28a8b82d9fa1da60487fe3b88f89bebc0b400ff4 /src/soc/marvell/mvmap2315
parent6a1a36f7e9afc9a9dbdee813613243805e829a85 (diff)
downloadcoreboot-93e6f1a917b6b17c6e62ad0fff1699416ab00d29.tar.xz
soc/marvell/mvmap2315: Add load_validate driver
Load_validate: it loads and validates images from flash using hash values stored in the BDB. Testing: booted successfully. Change-Id: I0b00e8c60ed76622d03cb232d5c4273b4077aae7 Signed-off-by: Hakim Giydan <hgiydan@marvell.com> Reviewed-on: https://review.coreboot.org/16148 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/marvell/mvmap2315')
-rw-r--r--src/soc/marvell/mvmap2315/Makefile.inc3
-rw-r--r--src/soc/marvell/mvmap2315/bdb.c79
-rw-r--r--src/soc/marvell/mvmap2315/bootblock.c26
-rw-r--r--src/soc/marvell/mvmap2315/digest.c64
-rw-r--r--src/soc/marvell/mvmap2315/include/soc/addressmap.h4
-rw-r--r--src/soc/marvell/mvmap2315/include/soc/bdb.h112
-rw-r--r--src/soc/marvell/mvmap2315/include/soc/digest.h37
-rw-r--r--src/soc/marvell/mvmap2315/include/soc/load_validate.h68
-rw-r--r--src/soc/marvell/mvmap2315/include/soc/memlayout.ld5
-rw-r--r--src/soc/marvell/mvmap2315/load_validate.c123
-rw-r--r--src/soc/marvell/mvmap2315/romstage.c7
11 files changed, 526 insertions, 2 deletions
diff --git a/src/soc/marvell/mvmap2315/Makefile.inc b/src/soc/marvell/mvmap2315/Makefile.inc
index d7b23762a2..a79d5a8e19 100644
--- a/src/soc/marvell/mvmap2315/Makefile.inc
+++ b/src/soc/marvell/mvmap2315/Makefile.inc
@@ -16,11 +16,14 @@
ifeq ($(CONFIG_SOC_MARVELL_MVMAP2315),y)
bootblock-y += bootblock.c
+bootblock-y += bdb.c
bootblock-y += clock.c
+bootblock-y += digest.c
bootblock-y += fiq.S
bootblock-y += gic.c
bootblock-y += gpio.c
bootblock-y += flash.c
+bootblock-y += load_validate.c
bootblock-y += media.c
bootblock-y += pinmux.c
bootblock-y += reset.c
diff --git a/src/soc/marvell/mvmap2315/bdb.c b/src/soc/marvell/mvmap2315/bdb.c
new file mode 100644
index 0000000000..6be414cb39
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/bdb.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <soc/bdb.h>
+
+void set_bdb_pointers(u8 *start_addr, struct bdb_pointer *bdb_in)
+{
+ bdb_in->bdb_h
+ = (struct bdb_header *)start_addr;
+
+ bdb_in->bdb_k
+ = (struct bdb_key *)(start_addr
+ + (bdb_in->bdb_h->struct_size));
+
+ bdb_in->bdb_oem_0
+ = (u8 *)((u32)(bdb_in->bdb_k)
+ + (bdb_in->bdb_k->struct_size));
+
+ bdb_in->sub_k
+ = (struct bdb_key *)((u32)(bdb_in->bdb_oem_0)
+ + (bdb_in->bdb_h->oem_area_0_size));
+
+ bdb_in->bdb_h_s
+ = (struct bdb_sig *)((u32)(bdb_in->bdb_oem_0)
+ + (bdb_in->bdb_h->signed_size));
+
+ bdb_in->bdb_d
+ = (struct bdb_data *)((u32)(bdb_in->bdb_h_s)
+ + (bdb_in->bdb_h_s->struct_size));
+
+ bdb_in->oem_1
+ = (u8 *)((u32)(bdb_in->bdb_d)
+ + (bdb_in->bdb_d->struct_size));
+
+ bdb_in->bdb_hash
+ = (struct bdb_hash *)((u32)(bdb_in->oem_1)
+ + (bdb_in->bdb_d->oem_area_1_size));
+
+ bdb_in->bdb_s
+ = (struct bdb_sig *)((u32)(bdb_in->bdb_d)
+ + (bdb_in->bdb_d->signed_size));
+}
+
+struct bdb_hash *find_bdb_image(struct bdb_pointer *bdb_info, u32 image_type)
+{
+ int i;
+
+ if (!bdb_info) {
+ printk(BIOS_DEBUG, "can't find BDB\n");
+ return NULL;
+ }
+
+ for (i = 0; i < bdb_info->bdb_d->num_hashes; i++) {
+ if (bdb_info->bdb_hash[i].type == image_type)
+ return &bdb_info->bdb_hash[i];
+ }
+
+ printk(BIOS_DEBUG, "can't find image with type %d in the BDB\n",
+ image_type);
+ return NULL;
+}
diff --git a/src/soc/marvell/mvmap2315/bootblock.c b/src/soc/marvell/mvmap2315/bootblock.c
index 5aa9eb547b..47bf470abb 100644
--- a/src/soc/marvell/mvmap2315/bootblock.c
+++ b/src/soc/marvell/mvmap2315/bootblock.c
@@ -17,11 +17,15 @@
#include <stdint.h>
#include <stdlib.h>
+#include <arch/io.h>
#include <bootblock_common.h>
#include <console/console.h>
#include <timestamp.h>
#include <console/uart.h>
+#include <soc/addressmap.h>
+#include <soc/bdb.h>
#include <soc/gic.h>
+#include <soc/load_validate.h>
#include <soc/uart.h>
void bootblock_soc_early_init(void)
@@ -37,10 +41,32 @@ void bootblock_soc_early_init(void)
void bootblock_soc_init(void)
{
+ struct bdb_pointer bdb_info;
+
+ write32((void *)MVMAP2315_BOOTBLOCK_CB1, 0);
+ write32((void *)MVMAP2315_BOOTBLOCK_CB2, 0);
+
+ set_bdb_pointers((u8 *)MVMAP2315_BDB_LCM_BASE, &bdb_info);
+
+ printk(BIOS_DEBUG, "loading and validating APMU firmware.\n");
+ load_and_validate(&bdb_info, APMU_FIRMWARE);
+
+ printk(BIOS_DEBUG, "loading and validating MCU firmware.\n");
+ load_and_validate(&bdb_info, MCU_FIRMWARE);
+
/* initializing UART1 to free UART0 to be used by romstage */
uart_num = 1;
uart_init(uart_num);
+ while (read32((void *)MVMAP2315_BOOTBLOCK_CB1) != 0x4)
+ ;
+
+ printk(BIOS_DEBUG, "loading and validating AP_RW firmware.\n");
+ load_and_validate(&bdb_info, AP_RW_FIRMWARE);
+
+ write32((void *)MVMAP2315_BOOTBLOCK_CB2, 0x4)
+ ;
+
while (1)
;
}
diff --git a/src/soc/marvell/mvmap2315/digest.c b/src/soc/marvell/mvmap2315/digest.c
new file mode 100644
index 0000000000..35cd5b1c4d
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/digest.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <soc/digest.h>
+#include <string.h>
+
+struct digest_ops digest_callbacks = {
+ .init = (security_init_F) MVMAP2315_DIGEST_INIT,
+ .sha_hash = (sha_hash_F) MVMAP2315_DIGEST_SHA_HASH,
+};
+
+u32 digest_init(void)
+{
+ int rc;
+
+ rc = digest_callbacks.init(0);
+
+ if (rc)
+ printk(BIOS_DEBUG, "digest_init failed with rc=%x.\n", rc);
+
+ return rc;
+}
+
+u32 digest_sha_hash(const u8 *msg, u32 msg_len, u8 *digest, u32 digest_len)
+{
+ int rc;
+
+ rc = digest_callbacks.sha_hash(msg, msg_len, digest, digest_len);
+
+ if (rc)
+ printk(BIOS_DEBUG, "digest_sha_hash failed with rc=%x.\n", rc);
+
+ return rc;
+}
+
+u32 digest_cmp(const u8 *msg, u8 *digest, u32 digest_len)
+{
+ int rc;
+
+ rc = memcmp(msg, digest, digest_len);
+
+ if (rc)
+ printk(BIOS_DEBUG, "image hash doesn't match BDB expected");
+
+ return rc;
+}
diff --git a/src/soc/marvell/mvmap2315/include/soc/addressmap.h b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
index f646b00e5a..1b3843421a 100644
--- a/src/soc/marvell/mvmap2315/include/soc/addressmap.h
+++ b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
@@ -22,6 +22,9 @@
#define MVMAP2315_CBFS_BASE 0x00400000
+#define MVMAP2315_BOOTBLOCK_CB1 0xE0009510
+#define MVMAP2315_BOOTBLOCK_CB2 0xE0009514
+
#define MVMAP2315_PINMUX_BASE 0xE0140000
#define MVMAP2315_TIMER0_BASE 0xE1020000
#define MVMAP2315_GPIOF_BASE 0xE0142000
@@ -35,6 +38,7 @@
#define MVMAP2315_APMU_CLK_BASE 0xE0125400
#define MVMAP2315_GENTIMER_BASE 0xE0137000
#define MVMAP2315_MPMU_CLK_BASE 0xEF000800
+#define MVMAP2315_MCU_SECCONFIG_BASE 0xED600000
#define MVMAP2315_RAM_BASE 0x00000000
#define MVMAP2315_DEVICE_BASE 0x80000000
diff --git a/src/soc/marvell/mvmap2315/include/soc/bdb.h b/src/soc/marvell/mvmap2315/include/soc/bdb.h
new file mode 100644
index 0000000000..f182a44ad2
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/include/soc/bdb.h
@@ -0,0 +1,112 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_MARVELL_MVMAP2315_BDB_H__
+#define __SOC_MARVELL_MVMAP2315_BDB_H__
+
+#include <stdint.h>
+
+#define MVMAP2315_BDB_LCM_BASE 0xE0000000
+
+enum {
+ BDB_RESERVED = 0,
+ SP_RW_FIRMWARE = 1,
+ AP_RW_FIRMWARE = 2,
+ MCU_FIRMWARE = 3,
+ APMU_FIRMWARE = 4,
+ KERNEL_IMAGE = 128,
+ KERNEL_COMMAND_LINE = 129,
+ SIXTEEN_BIT_VMLINUX_HEADER = 130
+};
+
+struct bdb_header {
+ u32 struct_magic;
+ u8 struct_major_version;
+ u8 struct_minor_version;
+ u16 struct_size;
+ u64 bdb_load_address;
+ u32 bdb_size;
+ u32 signed_size;
+ u32 oem_area_0_size;
+ u8 reserved0[8];
+} __attribute__ ((packed));
+
+struct bdb_key {
+ u32 struct_magic;
+ u8 struct_major_version;
+ u8 struct_minor_version;
+ u16 struct_size;
+ u8 hash_alg;
+ u8 sig_alg;
+ u8 reserved0[2];
+ u32 key_version;
+ char description[128];
+ u8 key_data[];
+} __attribute__ ((packed));
+
+struct bdb_sig {
+ u32 struct_magic;
+ u8 struct_major_version;
+ u8 struct_minor_version;
+ u16 struct_size;
+ u8 hash_alg;
+ u8 sig_alg;
+ u8 reserved0[2];
+ u32 signed_size;
+ char description[128];
+ u8 sig_SOC_MARVELL_MVMAP2315_data[];
+} __attribute__ ((packed));
+
+struct bdb_data {
+ u32 struct_magic;
+ u8 struct_major_version;
+ u8 struct_minor_version;
+ u16 struct_size;
+ u32 data_version;
+ u32 oem_area_1_size;
+ u8 num_hashes;
+ u8 hash_entry_size;
+ u8 reserved0[2];
+ u32 signed_size;
+ u8 reserved1[8];
+ char description[128];
+} __attribute__ ((packed));
+
+struct bdb_hash {
+ u64 offset;
+ u32 size;
+ u8 partition;
+ u8 type;
+ u8 reserved0[2];
+ u64 load_address;
+ u8 digest[32];
+} __attribute__ ((packed));
+
+struct bdb_pointer {
+ struct bdb_header *bdb_h;
+ struct bdb_key *bdb_k;
+ u8 *bdb_oem_0;
+ struct bdb_key *sub_k;
+ struct bdb_sig *bdb_h_s;
+ struct bdb_data *bdb_d;
+ u8 *oem_1;
+ struct bdb_hash *bdb_hash;
+ struct bdb_sig *bdb_s;
+} __attribute__ ((packed));
+
+void set_bdb_pointers(u8 *start_addr, struct bdb_pointer *bdb_in);
+struct bdb_hash *find_bdb_image(struct bdb_pointer *bdb_info, u32 image_type);
+
+#endif /* __SOC_MARVELL_MVMAP2315_BDB_H__ */
diff --git a/src/soc/marvell/mvmap2315/include/soc/digest.h b/src/soc/marvell/mvmap2315/include/soc/digest.h
new file mode 100644
index 0000000000..e81af17e1a
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/include/soc/digest.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_MARVELL_MVMAP2315_DIGEST_H__
+#define __SOC_MARVELL_MVMAP2315_DIGEST_H__
+
+#include <stdint.h>
+
+#define MVMAP2315_DIGEST_INIT 0xFFE00040
+#define MVMAP2315_DIGEST_SHA_HASH 0xFFE00044
+
+typedef u32 (*security_init_F)(u32 adv_ver);
+typedef u32 (*sha_hash_F)(const u8 *msg, u32 msg_len, u8 *digest,
+ u32 digest_len);
+
+struct digest_ops {
+ security_init_F init;
+ sha_hash_F sha_hash;
+};
+
+u32 digest_init(void);
+u32 digest_sha_hash(const u8 *msg, u32 msg_len, u8 *digest, u32 digest_len);
+u32 digest_cmp(const u8 *msg, u8 *digest, u32 digest_len);
+
+#endif /* __SOC_MARVELL_MVMAP2315_DIGEST_H__ */
diff --git a/src/soc/marvell/mvmap2315/include/soc/load_validate.h b/src/soc/marvell/mvmap2315/include/soc/load_validate.h
new file mode 100644
index 0000000000..ba7f808809
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/include/soc/load_validate.h
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_MARVELL_MVMAP2315_LOAD_VALIDATE_H__
+#define __SOC_MARVELL_MVMAP2315_LOAD_VALIDATE_H__
+
+#include <stdint.h>
+
+#include <soc/addressmap.h>
+#include <types.h>
+
+enum {
+ PRIMARY_BDB = 0,
+ ALTERNATE_BDB = 1,
+ RECOVERY_BDB = 2,
+};
+
+#define MVMAP2315_BDB_TYPE (BIT(0) | BIT(1))
+struct mvmap2315_bootrom_info {
+ u32 sp_ro_status;
+ u32 flash_media;
+};
+
+struct mvmap2315_mcu_secconfig_regs {
+ u8 _reserved0[0x04];
+ u32 strap_override_sec_cfg;
+ u32 sec_mcu_cfg_sec_cfg;
+ u32 lcm_mcu_cfg_sec_cfg0;
+ u32 lcm_mcu_cfg_sec_cfg1;
+ u32 lcm_mcu_cfg_sec_cfg2;
+ u8 _reserved1[0xe8];
+ u32 dap_debug_disable;
+ u32 boot_avs_status;
+ u32 pwr_clr_in;
+ u32 pwr_clr_recovery;
+ u32 pwr_clr_bdb;
+ u32 pwr_clr_fail_a;
+ u32 pwr_clr_fail_b;
+ u32 rst_clr_dev;
+ u32 rst_clr_wp1;
+ u32 rst_clr_wp2;
+ u32 rst_clr_lp;
+ u32 boot_gpio_out;
+ u32 boot_gpio_in;
+ u32 boot_hw_lockdown_nvm;
+ u32 boot_hw_lockdown_pinmux;
+ u32 boot_callback_pointer;
+};
+
+check_member(mvmap2315_mcu_secconfig_regs, boot_callback_pointer, 0x13c);
+static struct mvmap2315_mcu_secconfig_regs * const mvmap2315_mcu_secconfig
+ = (void *)MVMAP2315_MCU_SECCONFIG_BASE;
+
+void load_and_validate(struct bdb_pointer *bdb_info, u32 image_type);
+
+#endif /* __SOC_MARVELL_MVMAP2315_LOAD_VALIDATE_H__ */
diff --git a/src/soc/marvell/mvmap2315/include/soc/memlayout.ld b/src/soc/marvell/mvmap2315/include/soc/memlayout.ld
index e0f497aa28..ecac4b2c1f 100644
--- a/src/soc/marvell/mvmap2315/include/soc/memlayout.ld
+++ b/src/soc/marvell/mvmap2315/include/soc/memlayout.ld
@@ -46,8 +46,9 @@ SECTIONS
#endif
PRERAM_CBFS_CACHE(0xE0009400, 256)
- PRERAM_CBMEM_CONSOLE(0xE0009500, 8K)
- REGION(fiq_stack, 0xE000B500, 2560, 1)
+ REGION(bootblock_CB, 0xE0009500, 256, 1)
+ PRERAM_CBMEM_CONSOLE(0xE0009600, 8K)
+ REGION(fiq_stack, 0xE000B600, 2560, 1)
BOOTBLOCK(0xE000C000, 16K)
ROMSTAGE(0xE0010000, 64K)
REGION(apmu, 0xE0020000, 64K, 1)
diff --git a/src/soc/marvell/mvmap2315/load_validate.c b/src/soc/marvell/mvmap2315/load_validate.c
new file mode 100644
index 0000000000..422c57f8b7
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/load_validate.c
@@ -0,0 +1,123 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <soc/bdb.h>
+#include <soc/digest.h>
+#include <soc/flash.h>
+#include <soc/load_validate.h>
+#include <soc/reset.h>
+
+static void set_flash_parameters(struct flash_params *flash_info,
+ struct bdb_hash *image_info)
+{
+ (*flash_info).offset
+ = (u32)(image_info->offset);
+ (*flash_info).buff
+ = (u32)(image_info->load_address);
+ (*flash_info).size = image_info->size;
+ (*flash_info).id = 0x0;
+ (*flash_info).partition = (u32)image_info->partition;
+}
+
+static void image_failure(void)
+{
+ struct mvmap2315_bootrom_info *bootrom_info
+ = (void *)read32(
+ &mvmap2315_mcu_secconfig->boot_callback_pointer);
+
+ printk(BIOS_DEBUG, "Resetting system!!\n");
+
+ if ((bootrom_info->sp_ro_status & MVMAP2315_BDB_TYPE)
+ == PRIMARY_BDB) {
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_fail_a, 1);
+
+ if (read32(
+ &mvmap2315_mcu_secconfig->pwr_clr_fail_b)) {
+ printk(BIOS_DEBUG, "primary & ALT BDB boot failed\n");
+ printk(BIOS_DEBUG, "Rebooting to recovery mode...\n");
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_recovery, 1);
+ } else {
+ printk(BIOS_DEBUG, "primary BDB boot failed\n");
+ printk(BIOS_DEBUG, "Rebooting using AlT BDB...\n");
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_bdb, 1);
+ }
+ } else if ((bootrom_info->sp_ro_status & MVMAP2315_BDB_TYPE)
+ == ALTERNATE_BDB) {
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_fail_b, 1);
+
+ if (read32(
+ &mvmap2315_mcu_secconfig->pwr_clr_fail_a)) {
+ printk(BIOS_DEBUG, "primary & ALT BDB boot failed\n");
+ printk(BIOS_DEBUG, "Rebooting to recovery mode...\n");
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_recovery, 1);
+ } else {
+ printk(BIOS_DEBUG, "AlT BDB boot failed\n");
+ printk(BIOS_DEBUG, "Rebooting using primary BDB...\n");
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_bdb, 0);
+ }
+ } else if ((bootrom_info->sp_ro_status & MVMAP2315_BDB_TYPE)
+ == RECOVERY_BDB) {
+ printk(BIOS_DEBUG, "Recovery image has errors!!!\n");
+ printk(BIOS_DEBUG, "Re-entering recovery mode...\n");
+ write32(&mvmap2315_mcu_secconfig->pwr_clr_recovery, 1);
+ }
+
+ mvmap2315_reset();
+}
+
+void load_and_validate(struct bdb_pointer *bdb_info, u32 image_type)
+{
+ struct bdb_hash *image_info;
+ struct flash_params flash_info;
+ struct mvmap2315_bootrom_info *bootrom_info
+ = (void *)read32(
+ &mvmap2315_mcu_secconfig->boot_callback_pointer);
+ u8 image_digest[32];
+
+ image_info = find_bdb_image(bdb_info, image_type);
+
+ if (!image_info)
+ image_failure();
+
+ set_flash_parameters(&flash_info, image_info);
+
+ if (flash_init(bootrom_info->flash_media, MVMAP2315_MMC_CLK_MHZ))
+ image_failure();
+
+ if (flash_partition(bootrom_info->flash_media, &flash_info))
+ image_failure();
+
+ if (flash_read(bootrom_info->flash_media, &flash_info))
+ image_failure();
+
+ if (flash_shutdown(bootrom_info->flash_media))
+ image_failure();
+
+ if (digest_init())
+ image_failure();
+
+ if (digest_sha_hash(((u8 *)(flash_info.buff)), image_info->size,
+ &image_digest[0], 32))
+ image_failure();
+
+ if (digest_cmp(&image_digest[0], &image_info->digest[0], 32))
+ image_failure();
+}
diff --git a/src/soc/marvell/mvmap2315/romstage.c b/src/soc/marvell/mvmap2315/romstage.c
index dfd3bcf91a..cffa8d0bff 100644
--- a/src/soc/marvell/mvmap2315/romstage.c
+++ b/src/soc/marvell/mvmap2315/romstage.c
@@ -17,10 +17,12 @@
#include <stdint.h>
#include <stdlib.h>
+#include <arch/io.h>
#include <arch/exception.h>
#include <cbmem.h>
#include <console/console.h>
#include <program_loading.h>
+#include <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/mmu_operations.h>
@@ -32,6 +34,11 @@ void main(void)
clock_init();
+ write32((void *)MVMAP2315_BOOTBLOCK_CB1, 0x4);
+
+ while (read32((void *)MVMAP2315_BOOTBLOCK_CB2) != 0x4)
+ ;
+
mvmap2315_mmu_init();
cbmem_initialize_empty();