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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138 lines
3.3 KiB
138 lines
3.3 KiB
/* Copyright 2013 Freescale Semiconductor, Inc.
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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 <console.h>
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#include <environment.h>
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#include <malloc.h>
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#include <ns16550.h>
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#include <nand.h>
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#include <i2c.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <spi_flash.h>
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#include "../common/sleep.h"
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#include "../common/spl.h"
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DECLARE_GLOBAL_DATA_PTR;
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phys_size_t get_effective_memsize(void)
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{
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return CONFIG_SYS_L3_SIZE;
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}
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unsigned long get_board_sys_clk(void)
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{
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return CONFIG_SYS_CLK_FREQ;
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}
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unsigned long get_board_ddr_clk(void)
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{
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return CONFIG_DDR_CLK_FREQ;
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}
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#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
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void board_init_f(ulong bootflag)
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{
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u32 plat_ratio, sys_clk, uart_clk;
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#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
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u32 porsr1, pinctl;
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u32 svr = get_svr();
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#endif
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ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
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#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
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if (IS_SVR_REV(svr, 1, 0)) {
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/*
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* There is T1040 SoC issue where NOR, FPGA are inaccessible
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* during NAND boot because IFC signals > IFC_AD7 are not
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* enabled. This workaround changes RCW source to make all
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* signals enabled.
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*/
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porsr1 = in_be32(&gur->porsr1);
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pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
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| 0x24800000);
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out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
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pinctl);
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}
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#endif
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/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
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memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
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/* Update GD pointer */
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gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
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#ifdef CONFIG_DEEP_SLEEP
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/* disable the console if boot from deep sleep */
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if (is_warm_boot())
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fsl_dp_disable_console();
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#endif
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/* compiler optimization barrier needed for GCC >= 3.4 */
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__asm__ __volatile__("" : : : "memory");
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console_init_f();
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/* initialize selected port with appropriate baud rate */
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sys_clk = get_board_sys_clk();
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plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
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uart_clk = sys_clk * plat_ratio / 2;
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NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
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uart_clk / 16 / CONFIG_BAUDRATE);
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relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
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}
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void board_init_r(gd_t *gd, ulong dest_addr)
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{
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bd_t *bd;
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bd = (bd_t *)(gd + sizeof(gd_t));
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memset(bd, 0, sizeof(bd_t));
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gd->bd = bd;
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bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
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bd->bi_memsize = CONFIG_SYS_L3_SIZE;
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arch_cpu_init();
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get_clocks();
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mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
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CONFIG_SPL_RELOC_MALLOC_SIZE);
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gd->flags |= GD_FLG_FULL_MALLOC_INIT;
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#ifdef CONFIG_SPL_MMC_BOOT
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mmc_initialize(bd);
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#endif
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/* relocate environment function pointers etc. */
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#ifdef CONFIG_SPL_NAND_BOOT
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nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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(uchar *)CONFIG_ENV_ADDR);
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#endif
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#ifdef CONFIG_SPL_MMC_BOOT
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mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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(uchar *)CONFIG_ENV_ADDR);
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#endif
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#ifdef CONFIG_SPL_SPI_BOOT
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fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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(uchar *)CONFIG_ENV_ADDR);
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#endif
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gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
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gd->env_valid = ENV_VALID;
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i2c_init_all();
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puts("\n\n");
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dram_init();
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#ifdef CONFIG_SPL_MMC_BOOT
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mmc_boot();
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#elif defined(CONFIG_SPL_SPI_BOOT)
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fsl_spi_boot();
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#elif defined(CONFIG_SPL_NAND_BOOT)
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nand_boot();
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#endif
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}
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