mirror of
https://source.denx.de/u-boot/u-boot.git
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0ef44d1150
Remap SDRAM to 0x0, and clear OCRAM's ECC in board_init_f(). Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Reviewed-by: Marek Vasut <marex@denx.de>
230 lines
6.8 KiB
C
230 lines
6.8 KiB
C
/*
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* Copyright (C) 2012 Altera Corporation <www.altera.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/pl310.h>
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#include <asm/u-boot.h>
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#include <asm/utils.h>
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#include <image.h>
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#include <asm/arch/reset_manager.h>
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#include <spl.h>
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#include <asm/arch/system_manager.h>
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#include <asm/arch/freeze_controller.h>
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#include <asm/arch/clock_manager.h>
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#include <asm/arch/scan_manager.h>
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#include <asm/arch/sdram.h>
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DECLARE_GLOBAL_DATA_PTR;
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static struct pl310_regs *const pl310 =
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(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
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#define MAIN_VCO_BASE ( \
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(CONFIG_HPS_MAINPLLGRP_VCO_DENOM << \
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CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_MAINPLLGRP_VCO_NUMER << \
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CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) \
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)
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#define PERI_VCO_BASE ( \
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(CONFIG_HPS_PERPLLGRP_VCO_PSRC << \
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CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET) | \
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(CONFIG_HPS_PERPLLGRP_VCO_DENOM << \
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CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_PERPLLGRP_VCO_NUMER << \
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CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) \
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)
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#define SDR_VCO_BASE ( \
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(CONFIG_HPS_SDRPLLGRP_VCO_SSRC << \
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CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET) | \
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(CONFIG_HPS_SDRPLLGRP_VCO_DENOM << \
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CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_SDRPLLGRP_VCO_NUMER << \
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CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) \
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)
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void board_init_f(ulong dummy)
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{
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struct socfpga_system_manager *sysmgr_regs =
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(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
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unsigned long reg;
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/*
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* First C code to run. Clear fake OCRAM ECC first as SBE
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* and DBE might triggered during power on
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*/
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reg = readl(&sysmgr_regs->eccgrp_ocram);
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if (reg & SYSMGR_ECC_OCRAM_SERR)
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writel(SYSMGR_ECC_OCRAM_SERR | SYSMGR_ECC_OCRAM_EN,
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&sysmgr_regs->eccgrp_ocram);
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if (reg & SYSMGR_ECC_OCRAM_DERR)
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writel(SYSMGR_ECC_OCRAM_DERR | SYSMGR_ECC_OCRAM_EN,
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&sysmgr_regs->eccgrp_ocram);
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memset(__bss_start, 0, __bss_end - __bss_start);
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/* Remap SDRAM to 0x0 */
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writel(0x1, &pl310->pl310_addr_filter_start);
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board_init_r(NULL, 0);
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}
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u32 spl_boot_device(void)
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{
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return BOOT_DEVICE_RAM;
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}
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/*
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* Board initialization after bss clearance
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*/
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void spl_board_init(void)
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{
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unsigned long sdram_size;
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#ifndef CONFIG_SOCFPGA_VIRTUAL_TARGET
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cm_config_t cm_default_cfg = {
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/* main group */
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MAIN_VCO_BASE,
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(CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT <<
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CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT <<
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CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT <<
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CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT <<
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CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT <<
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CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT <<
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CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK <<
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CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK <<
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CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK <<
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CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP <<
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CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP <<
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CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET),
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/* peripheral group */
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PERI_VCO_BASE,
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(CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT <<
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CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT <<
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CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT <<
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CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT <<
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CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT <<
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CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT <<
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CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_DIV_USBCLK <<
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CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK <<
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CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK <<
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CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK <<
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CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET),
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(CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK <<
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CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET),
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(CONFIG_HPS_PERPLLGRP_SRC_QSPI <<
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CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_SRC_NAND <<
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CLKMGR_PERPLLGRP_SRC_NAND_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_SRC_SDMMC <<
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CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET),
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/* sdram pll group */
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SDR_VCO_BASE,
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(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE <<
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CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT <<
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CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET),
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};
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debug("Freezing all I/O banks\n");
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/* freeze all IO banks */
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sys_mgr_frzctrl_freeze_req();
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socfpga_sdram_enable();
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socfpga_uart0_enable();
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socfpga_osc1timer_enable();
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timer_init();
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debug("Reconfigure Clock Manager\n");
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/* reconfigure the PLLs */
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cm_basic_init(&cm_default_cfg);
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/* Enable bootrom to configure IOs. */
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sysmgr_enable_warmrstcfgio();
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/* configure the IOCSR / IO buffer settings */
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if (scan_mgr_configure_iocsr())
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hang();
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/* configure the pin muxing through system manager */
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sysmgr_pinmux_init();
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#endif /* CONFIG_SOCFPGA_VIRTUAL_TARGET */
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/* de-assert reset for peripherals and bridges based on handoff */
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reset_deassert_peripherals_handoff();
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debug("Unfreezing/Thaw all I/O banks\n");
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/* unfreeze / thaw all IO banks */
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sys_mgr_frzctrl_thaw_req();
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/* enable console uart printing */
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preloader_console_init();
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if (sdram_mmr_init_full(0xffffffff) != 0) {
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puts("SDRAM init failed.\n");
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hang();
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}
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debug("SDRAM: Calibrating PHY\n");
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/* SDRAM calibration */
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if (sdram_calibration_full() == 0) {
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puts("SDRAM calibration failed.\n");
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hang();
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}
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sdram_size = sdram_calculate_size();
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debug("SDRAM: %ld MiB\n", sdram_size >> 20);
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/* Sanity check ensure correct SDRAM size specified */
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if (get_ram_size(0, sdram_size) != sdram_size) {
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puts("SDRAM size check failed!\n");
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hang();
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}
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}
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