spl.c
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/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/u-boot.h>
#include <asm/utils.h>
#include <version.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/scan_manager.h>
DECLARE_GLOBAL_DATA_PTR;
#define MAIN_VCO_BASE ( \
(CONFIG_HPS_MAINPLLGRP_VCO_DENOM << \
CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) | \
(CONFIG_HPS_MAINPLLGRP_VCO_NUMER << \
CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) \
)
#define PERI_VCO_BASE ( \
(CONFIG_HPS_PERPLLGRP_VCO_PSRC << \
CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET) | \
(CONFIG_HPS_PERPLLGRP_VCO_DENOM << \
CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) | \
(CONFIG_HPS_PERPLLGRP_VCO_NUMER << \
CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) \
)
#define SDR_VCO_BASE ( \
(CONFIG_HPS_SDRPLLGRP_VCO_SSRC << \
CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET) | \
(CONFIG_HPS_SDRPLLGRP_VCO_DENOM << \
CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) | \
(CONFIG_HPS_SDRPLLGRP_VCO_NUMER << \
CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) \
)
u32 spl_boot_device(void)
{
return BOOT_DEVICE_RAM;
}
/*
* Board initialization after bss clearance
*/
void spl_board_init(void)
{
#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
cm_config_t cm_default_cfg = {
/* main group */
MAIN_VCO_BASE,
(CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT <<
CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT <<
CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT <<
CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT <<
CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT <<
CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT <<
CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET),
(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK <<
CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET) |
(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK <<
CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET) |
(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK <<
CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET) |
(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK <<
CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET),
(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK <<
CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET) |
(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK <<
CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET),
(CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK <<
CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET),
(CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP <<
CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET) |
(CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP <<
CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET),
/* peripheral group */
PERI_VCO_BASE,
(CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT <<
CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT <<
CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT <<
CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT <<
CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT <<
CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT <<
CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET),
(CONFIG_HPS_PERPLLGRP_DIV_USBCLK <<
CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET) |
(CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK <<
CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET) |
(CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK <<
CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET) |
(CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK <<
CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET),
(CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK <<
CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET),
(CONFIG_HPS_PERPLLGRP_SRC_QSPI <<
CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET) |
(CONFIG_HPS_PERPLLGRP_SRC_NAND <<
CLKMGR_PERPLLGRP_SRC_NAND_OFFSET) |
(CONFIG_HPS_PERPLLGRP_SRC_SDMMC <<
CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET),
/* sdram pll group */
SDR_VCO_BASE,
(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE <<
CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET) |
(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT <<
CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET),
(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE <<
CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET) |
(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT <<
CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET),
(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE <<
CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET) |
(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT <<
CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET),
(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE <<
CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET) |
(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT <<
CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET),
};
debug("Freezing all I/O banks\n");
/* freeze all IO banks */
sys_mgr_frzctrl_freeze_req();
debug("Reconfigure Clock Manager\n");
/* reconfigure the PLLs */
cm_basic_init(&cm_default_cfg);
/* configure the IOCSR / IO buffer settings */
if (scan_mgr_configure_iocsr())
hang();
/* configure the pin muxing through system manager */
sysmgr_pinmux_init();
#endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */
/* de-assert reset for peripherals and bridges based on handoff */
reset_deassert_peripherals_handoff();
debug("Unfreezing/Thaw all I/O banks\n");
/* unfreeze / thaw all IO banks */
sys_mgr_frzctrl_thaw_req();
/* enable console uart printing */
preloader_console_init();
}