upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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162 lines
4.2 KiB
162 lines
4.2 KiB
/*
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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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*
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* Authors: Roy Zang <tie-fei.zang@freescale.com>
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* Chunhe Lan <b25806@freescale.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <pci.h>
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#include <asm/io.h>
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#include <asm/cache.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_pci.h>
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#include <asm/fsl_ddr_sdram.h>
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#include <asm/fsl_portals.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <netdev.h>
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#include <malloc.h>
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#include "bcsr.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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fsl_lbc_t *lbc = LBC_BASE_ADDR;
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/* Set ABSWP to implement conversion of addresses in the LBC */
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setbits_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
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return 0;
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}
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int checkboard(void)
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{
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u8 *bcsr = (u8 *)BCSR_ACCESS_REG_ADDR;
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printf("Board: P1023 RDS\n");
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clrbits_8(&bcsr[15], BCSR15_I2C_BUS0_SEG_CLR);
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setbits_8(&bcsr[15], BCSR15_I2C_BUS0_SEG0);
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return 0;
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}
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/* Fixed sdram init -- doesn't use serial presence detect. */
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phys_size_t fixed_sdram(void)
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{
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#ifndef CONFIG_SYS_RAMBOOT
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ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
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set_next_law(0, LAW_SIZE_2G, LAW_TRGT_IF_DDR_1);
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out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS);
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out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG);
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out_be32(&ddr->cs1_bnds, CONFIG_SYS_DDR_CS1_BNDS);
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out_be32(&ddr->cs1_config, CONFIG_SYS_DDR_CS1_CONFIG);
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out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
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out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
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out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
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out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
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out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_CONTROL2);
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out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_MODE_1);
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out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_MODE_2);
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out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_INTERVAL);
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out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT);
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out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CTRL);
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out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4);
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out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5);
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out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL);
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out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL);
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out_be32(&ddr->ddr_cdr1, CONFIG_SYS_DDR_CDR_1);
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out_be32(&ddr->ddr_cdr2, CONFIG_SYS_DDR_CDR_2);
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
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#endif
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024ul;
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}
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#ifdef CONFIG_PCI
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void pci_init_board(void)
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{
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fsl_pcie_init_board(0);
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}
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#endif
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int board_early_init_r(void)
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{
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const unsigned int flashbase = CONFIG_SYS_BCSR_BASE;
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const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
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/*
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* Remap Boot flash + BCSR region to caching-inhibited
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* so that flash can be erased properly.
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*/
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/* Flush d-cache and invalidate i-cache of any FLASH data */
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flush_dcache();
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invalidate_icache();
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/* invalidate existing TLB entry for flash + bcsr */
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disable_tlb(flash_esel);
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set_tlb(1, flashbase, CONFIG_SYS_BCSR_BASE_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, flash_esel, BOOKE_PAGESZ_256M, 1);
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setup_portals();
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return 0;
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}
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unsigned long get_board_sys_clk(ulong dummy)
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{
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return gd->bus_clk;
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}
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unsigned long get_board_ddr_clk(ulong dummy)
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{
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return gd->mem_clk;
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}
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int board_eth_init(bd_t *bis)
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{
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return pci_eth_init(bis);
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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void ft_board_setup(void *blob, bd_t *bd)
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{
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phys_addr_t base;
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phys_size_t size;
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ft_cpu_setup(blob, bd);
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base = getenv_bootm_low();
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size = getenv_bootm_size();
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fdt_fixup_memory(blob, (u64)base, (u64)size);
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}
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#endif
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