u-boot/arch/arm/mach-socfpga/spl_gen5.c
Simon Glass db41d65a97 common: Move hang() to the same header as panic()
At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
2020-01-17 17:53:40 -05:00

155 lines
3.7 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*/
#include <common.h>
#include <hang.h>
#include <asm/io.h>
#include <asm/u-boot.h>
#include <asm/utils.h>
#include <image.h>
#include <asm/arch/reset_manager.h>
#include <spl.h>
#include <asm/arch/system_manager.h>
#include <asm/arch/freeze_controller.h>
#include <asm/arch/clock_manager.h>
#include <asm/arch/misc.h>
#include <asm/arch/scan_manager.h>
#include <asm/arch/sdram.h>
#include <asm/sections.h>
#include <debug_uart.h>
#include <fdtdec.h>
#include <watchdog.h>
#include <dm/uclass.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
const u32 bsel = readl(socfpga_get_sysmgr_addr() +
SYSMGR_GEN5_BOOTINFO);
switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) {
case 0x1: /* FPGA (HPS2FPGA Bridge) */
return BOOT_DEVICE_RAM;
case 0x2: /* NAND Flash (1.8V) */
case 0x3: /* NAND Flash (3.0V) */
return BOOT_DEVICE_NAND;
case 0x4: /* SD/MMC External Transceiver (1.8V) */
case 0x5: /* SD/MMC Internal Transceiver (3.0V) */
return BOOT_DEVICE_MMC1;
case 0x6: /* QSPI Flash (1.8V) */
case 0x7: /* QSPI Flash (3.0V) */
return BOOT_DEVICE_SPI;
default:
printf("Invalid boot device (bsel=%08x)!\n", bsel);
hang();
}
}
#ifdef CONFIG_SPL_MMC_SUPPORT
u32 spl_boot_mode(const u32 boot_device)
{
#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
return MMCSD_MODE_FS;
#else
return MMCSD_MODE_RAW;
#endif
}
#endif
void board_init_f(ulong dummy)
{
const struct cm_config *cm_default_cfg = cm_get_default_config();
unsigned long reg;
int ret;
struct udevice *dev;
ret = spl_early_init();
if (ret)
hang();
socfpga_get_managers_addr();
/*
* Clear fake OCRAM ECC first as SBE
* and DBE might triggered during power on
*/
reg = readl(socfpga_get_sysmgr_addr() + SYSMGR_GEN5_ECCGRP_OCRAM);
if (reg & SYSMGR_ECC_OCRAM_SERR)
writel(SYSMGR_ECC_OCRAM_SERR | SYSMGR_ECC_OCRAM_EN,
socfpga_get_sysmgr_addr() + SYSMGR_GEN5_ECCGRP_OCRAM);
if (reg & SYSMGR_ECC_OCRAM_DERR)
writel(SYSMGR_ECC_OCRAM_DERR | SYSMGR_ECC_OCRAM_EN,
socfpga_get_sysmgr_addr() + SYSMGR_GEN5_ECCGRP_OCRAM);
socfpga_sdram_remap_zero();
socfpga_pl310_clear();
debug("Freezing all I/O banks\n");
/* freeze all IO banks */
sys_mgr_frzctrl_freeze_req();
/* Put everything into reset but L4WD0. */
socfpga_per_reset_all();
if (!socfpga_is_booting_from_fpga()) {
/* Put FPGA bridges into reset too. */
socfpga_bridges_reset(1);
}
socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0);
timer_init();
debug("Reconfigure Clock Manager\n");
/* reconfigure the PLLs */
if (cm_basic_init(cm_default_cfg))
hang();
/* Enable bootrom to configure IOs. */
sysmgr_config_warmrstcfgio(1);
/* configure the IOCSR / IO buffer settings */
if (scan_mgr_configure_iocsr())
hang();
sysmgr_config_warmrstcfgio(0);
/* configure the pin muxing through system manager */
sysmgr_config_warmrstcfgio(1);
sysmgr_pinmux_init();
sysmgr_config_warmrstcfgio(0);
/* Set bridges handoff value */
socfpga_bridges_set_handoff_regs(true, true, true);
debug("Unfreezing/Thaw all I/O banks\n");
/* unfreeze / thaw all IO banks */
sys_mgr_frzctrl_thaw_req();
#ifdef CONFIG_DEBUG_UART
socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
debug_uart_init();
#endif
ret = uclass_get_device(UCLASS_RESET, 0, &dev);
if (ret)
debug("Reset init failed: %d\n", ret);
#ifdef CONFIG_SPL_NAND_DENALI
struct socfpga_reset_manager *reset_manager_base =
(struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS;
clrbits_le32(&reset_manager_base->per_mod_reset, BIT(4));
#endif
/* enable console uart printing */
preloader_console_init();
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
hang();
}
}