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arm: socfpga: Add SPL for Intel N5X device

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Add SPL for N5X.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
This commit is contained in:
Siew Chin Lim
2021-08-10 11:26:38 +08:00
committed by Tien Fong Chee
parent 59d4230429
commit 00a990e9a9
1 changed files with 94 additions and 0 deletions
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arch/arm/mach-socfpga/spl_n5x.c Normal file
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
*
*/
#include <common.h>
#include <asm/arch/clock_manager.h>
#include <asm/arch/firewall.h>
#include <asm/arch/mailbox_s10.h>
#include <asm/arch/misc.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/system_manager.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/u-boot.h>
#include <asm/utils.h>
#include <dm/uclass.h>
#include <hang.h>
#include <image.h>
#include <init.h>
#include <spl.h>
#include <watchdog.h>
DECLARE_GLOBAL_DATA_PTR;
void board_init_f(ulong dummy)
{
int ret;
struct udevice *dev;
ret = spl_early_init();
if (ret)
hang();
socfpga_get_managers_addr();
/* Ensure watchdog is paused when debugging is happening */
writel(SYSMGR_WDDBG_PAUSE_ALL_CPU,
socfpga_get_sysmgr_addr() + SYSMGR_SOC64_WDDBG);
#ifdef CONFIG_HW_WATCHDOG
/* Enable watchdog before initializing the HW */
socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
hw_watchdog_init();
#endif
/* ensure all processors are not released prior Linux boot */
writeq(0, CPU_RELEASE_ADDR);
timer_init();
sysmgr_pinmux_init();
preloader_console_init();
ret = uclass_get_device(UCLASS_CLK, 0, &dev);
if (ret) {
printf("Clock init failed: %d\n", ret);
hang();
}
ret = uclass_get_device(UCLASS_CLK, 1, &dev);
if (ret) {
printf("Memory clock init failed: %d\n", ret);
hang();
}
print_reset_info();
cm_print_clock_quick_summary();
firewall_setup();
ret = uclass_get_device(UCLASS_CACHE, 0, &dev);
if (ret) {
printf("CCU init failed: %d\n", ret);
hang();
}
#if CONFIG_IS_ENABLED(ALTERA_SDRAM)
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
printf("DRAM init failed: %d\n", ret);
hang();
}
#endif
mbox_init();
#ifdef CONFIG_CADENCE_QSPI
mbox_qspi_open();
#endif
}