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/*
* 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 <bootblock_common.h>
#include <console/console.h>
#include <timestamp.h>
#include <console/uart.h>
#include <soc/a2bus.h>
#include <soc/addressmap.h>
#include <soc/apmu.h>
#include <soc/bdb.h>
#include <soc/gic.h>
#include <soc/load_validate.h>
#include <soc/pmic.h>
#include <soc/uart.h>
void bootblock_soc_early_init(void)
{
timestamp_add_now(TS_START_BOOTBLOCK);
asm volatile ("bl fiq_stack_init" : : : "r0", "r1");
enable_bcm_gic();
uart_num = 0;
}
void bootblock_soc_init(void)
{
struct bdb_pointer bdb_info;
u32 boot_path;
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);
apmu_start();
if (!(read32((void *)MVMAP2315_LOWPWR_REG) & MVMAP2315_LOWPWR_FLAG)) {
printk(BIOS_DEBUG, "loading and validating MCU firmware.\n");
load_and_validate(&bdb_info, MCU_FIRMWARE);
mcu_start();
boot_path = get_boot_path();
} else {
printk(BIOS_DEBUG, "Low power restart. Skip MCU code load.\n");
boot_path = get_boot_path();
}
switch (boot_path) {
case NO_BOOT:
no_boot();
break;
case CHARGING_SCREEN:
charging_screen();
break;
case FULL_BOOT:
full_boot();
break;
}
printk(BIOS_DEBUG, "initializing the A2 bus.\n");
init_a2bus_config();
printk(BIOS_DEBUG, "Powering up the AP core0.\n");
ap_start((void *)MVMAP2315_ROMSTAGE_BASE);
/* 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)
;
}
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